diff options
Diffstat (limited to 'arch')
358 files changed, 4699 insertions, 4157 deletions
diff --git a/arch/Kconfig b/arch/Kconfig index 26a28419cafc..a79a1ad8bb96 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -274,6 +274,9 @@ config ARCH_WANT_OLD_COMPAT_IPC config GENERIC_KERNEL_THREAD bool +config GENERIC_KERNEL_EXECVE + bool + config HAVE_ARCH_SECCOMP_FILTER bool help diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig index 7da91246e279..7a08cfb80ee8 100644 --- a/arch/alpha/Kconfig +++ b/arch/alpha/Kconfig @@ -21,6 +21,7 @@ config ALPHA select GENERIC_STRNCPY_FROM_USER select GENERIC_STRNLEN_USER select GENERIC_KERNEL_THREAD + select GENERIC_KERNEL_EXECVE help The Alpha is a 64-bit general-purpose processor designed and marketed by the Digital Equipment Corporation of blessed memory, diff --git a/arch/alpha/include/asm/thread_info.h b/arch/alpha/include/asm/thread_info.h index 28335bd40e40..4554ecbff7c6 100644 --- a/arch/alpha/include/asm/thread_info.h +++ b/arch/alpha/include/asm/thread_info.h @@ -84,7 +84,6 @@ register struct thread_info *__current_thread_info __asm__("$8"); #define _TIF_SIGPENDING (1<<TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) -#define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK) #define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME) /* Work to do on interrupt/exception return. */ @@ -117,5 +116,7 @@ register struct thread_info *__current_thread_info __asm__("$8"); (int __user *)(value)); \ }) +#define tsk_is_polling(t) test_tsk_thread_flag(t, TIF_POLLING_NRFLAG) + #endif /* __KERNEL__ */ #endif /* _ALPHA_THREAD_INFO_H */ diff --git a/arch/alpha/include/asm/unistd.h b/arch/alpha/include/asm/unistd.h index 3cb6c1188984..7826e227e4d0 100644 --- a/arch/alpha/include/asm/unistd.h +++ b/arch/alpha/include/asm/unistd.h @@ -482,7 +482,6 @@ #define __ARCH_WANT_SYS_SIGPENDING #define __ARCH_WANT_SYS_RT_SIGSUSPEND #define __ARCH_WANT_SYS_EXECVE -#define __ARCH_WANT_KERNEL_EXECVE /* "Conditional" syscalls. What we want is diff --git a/arch/alpha/kernel/entry.S b/arch/alpha/kernel/entry.S index 7e43e1156d10..a7607832dd4f 100644 --- a/arch/alpha/kernel/entry.S +++ b/arch/alpha/kernel/entry.S @@ -311,7 +311,7 @@ entSys: .align 4 ret_from_sys_call: - cmovne $26, 0, $19 /* $19 = 0 => non-restartable */ + cmovne $26, 0, $18 /* $18 = 0 => non-restartable */ ldq $0, SP_OFF($sp) and $0, 8, $0 beq $0, ret_to_kernel @@ -320,8 +320,8 @@ ret_to_user: sampling and the rti. */ lda $16, 7 call_pal PAL_swpipl - ldl $5, TI_FLAGS($8) - and $5, _TIF_WORK_MASK, $2 + ldl $17, TI_FLAGS($8) + and $17, _TIF_WORK_MASK, $2 bne $2, work_pending restore_all: RESTORE_ALL @@ -341,10 +341,10 @@ $syscall_error: * frame to indicate that a negative return value wasn't an * error number.. */ - ldq $19, 0($sp) /* old syscall nr (zero if success) */ - beq $19, $ret_success + ldq $18, 0($sp) /* old syscall nr (zero if success) */ + beq $18, $ret_success - ldq $20, 72($sp) /* .. and this a3 */ + ldq $19, 72($sp) /* .. and this a3 */ subq $31, $0, $0 /* with error in v0 */ addq $31, 1, $1 /* set a3 for errno return */ stq $0, 0($sp) @@ -362,51 +362,35 @@ $ret_success: * Do all cleanup when returning from all interrupts and system calls. * * Arguments: - * $5: TI_FLAGS. * $8: current. - * $19: The old syscall number, or zero if this is not a return + * $17: TI_FLAGS. + * $18: The old syscall number, or zero if this is not a return * from a syscall that errored and is possibly restartable. - * $20: The old a3 value + * $19: The old a3 value */ .align 4 .ent work_pending work_pending: - and $5, _TIF_NEED_RESCHED, $2 - beq $2, $work_notifysig + and $17, _TIF_NOTIFY_RESUME | _TIF_SIGPENDING, $2 + bne $2, $work_notifysig $work_resched: - subq $sp, 16, $sp - stq $19, 0($sp) /* save syscall nr */ - stq $20, 8($sp) /* and error indication (a3) */ + /* + * We can get here only if we returned from syscall without SIGPENDING + * or got through work_notifysig already. Either case means no syscall + * restarts for us, so let $18 and $19 burn. + */ jsr $26, schedule - ldq $19, 0($sp) - ldq $20, 8($sp) - addq $sp, 16, $sp - /* Make sure need_resched and sigpending don't change between - sampling and the rti. */ - lda $16, 7 - call_pal PAL_swpipl - ldl $5, TI_FLAGS($8) - and $5, _TIF_WORK_MASK, $2 - beq $2, restore_all - and $5, _TIF_NEED_RESCHED, $2 - bne $2, $work_resched + mov 0, $18 + br ret_to_user $work_notifysig: mov $sp, $16 bsr $1, do_switch_stack - mov $sp, $17 - mov $5, $18 - mov $19, $9 /* save old syscall number */ - mov $20, $10 /* save old a3 */ - and $5, _TIF_SIGPENDING, $2 - cmovne $2, 0, $9 /* we don't want double syscall restarts */ - jsr $26, do_notify_resume - mov $9, $19 - mov $10, $20 + jsr $26, do_work_pending bsr $1, undo_switch_stack - br ret_to_user + br restore_all .end work_pending /* @@ -418,11 +402,10 @@ $work_notifysig: strace: /* set up signal stack, call syscall_trace */ bsr $1, do_switch_stack - jsr $26, syscall_trace + jsr $26, syscall_trace_enter /* returns the syscall number */ bsr $1, undo_switch_stack - /* get the system call number and the arguments back.. */ - ldq $0, 0($sp) + /* get the arguments back.. */ ldq $16, SP_OFF+24($sp) ldq $17, SP_OFF+32($sp) ldq $18, SP_OFF+40($sp) @@ -449,15 +432,15 @@ $strace_success: stq $0, 0($sp) /* save return value */ bsr $1, do_switch_stack - jsr $26, syscall_trace + jsr $26, syscall_trace_leave bsr $1, undo_switch_stack br $31, ret_from_sys_call .align 3 $strace_error: - ldq $19, 0($sp) /* old syscall nr (zero if success) */ - beq $19, $strace_success - ldq $20, 72($sp) /* .. and this a3 */ + ldq $18, 0($sp) /* old syscall nr (zero if success) */ + beq $18, $strace_success + ldq $19, 72($sp) /* .. and this a3 */ subq $31, $0, $0 /* with error in v0 */ addq $31, 1, $1 /* set a3 for errno return */ @@ -465,11 +448,11 @@ $strace_error: stq $1, 72($sp) /* a3 for return */ bsr $1, do_switch_stack - mov $19, $9 /* save old syscall number */ - mov $20, $10 /* save old a3 */ - jsr $26, syscall_trace - mov $9, $19 - mov $10, $20 + mov $18, $9 /* save old syscall number */ + mov $19, $10 /* save old a3 */ + jsr $26, syscall_trace_leave + mov $9, $18 + mov $10, $19 bsr $1, undo_switch_stack mov $31, $26 /* tell "ret_from_sys_call" we can restart */ @@ -620,24 +603,9 @@ ret_from_kernel_thread: mov $9, $27 mov $10, $16 jsr $26, ($9) - ldgp $gp, 0($26) - mov $0, $16 - mov $31, $26 - jmp $31, sys_exit -.end ret_from_kernel_thread - - .globl ret_from_kernel_execve - .align 4 - .ent ret_from_kernel_execve -ret_from_kernel_execve: - mov $16, $sp - /* Avoid the HAE being gratuitously wrong, to avoid restoring it. */ - ldq $2, alpha_mv+HAE_CACHE - stq $2, 152($sp) /* HAE */ mov $31, $19 /* to disable syscall restarts */ br $31, ret_to_user - -.end ret_from_kernel_execve +.end ret_from_kernel_thread /* @@ -698,7 +666,7 @@ sys_sigreturn: lda $sp, -SWITCH_STACK_SIZE($sp) jsr $26, do_sigreturn bne $9, 1f - jsr $26, syscall_trace + jsr $26, syscall_trace_leave 1: br $1, undo_switch_stack br ret_from_sys_call .end sys_sigreturn @@ -715,7 +683,7 @@ sys_rt_sigreturn: lda $sp, -SWITCH_STACK_SIZE($sp) jsr $26, do_rt_sigreturn bne $9, 1f - jsr $26, syscall_trace + jsr $26, syscall_trace_leave 1: br $1, undo_switch_stack br ret_from_sys_call .end sys_rt_sigreturn diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c index 63e77e3944ce..9eb090582cf1 100644 --- a/arch/alpha/kernel/osf_sys.c +++ b/arch/alpha/kernel/osf_sys.c @@ -449,7 +449,7 @@ osf_ufs_mount(char *dirname, struct ufs_args __user *args, int flags) { int retval; struct cdfs_args tmp; - char *devname; + struct filename *devname; retval = -EFAULT; if (copy_from_user(&tmp, args, sizeof(tmp))) @@ -458,7 +458,7 @@ osf_ufs_mount(char *dirname, struct ufs_args __user *args, int flags) retval = PTR_ERR(devname); if (IS_ERR(devname)) goto out; - retval = do_mount(devname, dirname, "ext2", flags, NULL); + retval = do_mount(devname->name, dirname, "ext2", flags, NULL); putname(devname); out: return retval; @@ -469,7 +469,7 @@ osf_cdfs_mount(char *dirname, struct cdfs_args __user *args, int flags) { int retval; struct cdfs_args tmp; - char *devname; + struct filename *devname; retval = -EFAULT; if (copy_from_user(&tmp, args, sizeof(tmp))) @@ -478,7 +478,7 @@ osf_cdfs_mount(char *dirname, struct cdfs_args __user *args, int flags) retval = PTR_ERR(devname); if (IS_ERR(devname)) goto out; - retval = do_mount(devname, dirname, "iso9660", flags, NULL); + retval = do_mount(devname->name, dirname, "iso9660", flags, NULL); putname(devname); out: return retval; @@ -499,7 +499,7 @@ SYSCALL_DEFINE4(osf_mount, unsigned long, typenr, const char __user *, path, int, flag, void __user *, data) { int retval; - char *name; + struct filename *name; name = getname(path); retval = PTR_ERR(name); @@ -507,13 +507,13 @@ SYSCALL_DEFINE4(osf_mount, unsigned long, typenr, const char __user *, path, goto out; switch (typenr) { case 1: - retval = osf_ufs_mount(name, data, flag); + retval = osf_ufs_mount(name->name, data, flag); break; case 6: - retval = osf_cdfs_mount(name, data, flag); + retval = osf_cdfs_mount(name->name, data, flag); break; case 9: - retval = osf_procfs_mount(name, data, flag); + retval = osf_procfs_mount(name->name, data, flag); break; default: retval = -EINVAL; diff --git a/arch/alpha/kernel/ptrace.c b/arch/alpha/kernel/ptrace.c index 54616f496aed..2a4a80ff4a20 100644 --- a/arch/alpha/kernel/ptrace.c +++ b/arch/alpha/kernel/ptrace.c @@ -13,6 +13,7 @@ #include <linux/user.h> #include <linux/security.h> #include <linux/signal.h> +#include <linux/tracehook.h> #include <asm/uaccess.h> #include <asm/pgtable.h> @@ -312,25 +313,18 @@ long arch_ptrace(struct task_struct *child, long request, return ret; } +asmlinkage unsigned long syscall_trace_enter(void) +{ + unsigned long ret = 0; + if (test_thread_flag(TIF_SYSCALL_TRACE) && + tracehook_report_syscall_entry(current_pt_regs())) + ret = -1UL; + return ret ?: current_pt_regs()->r0; +} + asmlinkage void -syscall_trace(void) +syscall_trace_leave(void) { - if (!test_thread_flag(TIF_SYSCALL_TRACE)) - return; - if (!(current->ptrace & PT_PTRACED)) - return; - /* The 0x80 provides a way for the tracing parent to distinguish - between a syscall stop and SIGTRAP delivery */ - ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD) - ? 0x80 : 0)); - - /* - * This isn't the same as continuing with a signal, but it will do - * for normal use. strace only continues with a signal if the - * stopping signal is not SIGTRAP. -brl - */ - if (current->exit_code) { - send_sig(current->exit_code, current, 1); - current->exit_code = 0; - } + if (test_thread_flag(TIF_SYSCALL_TRACE)) + tracehook_report_syscall_exit(current_pt_regs(), 0); } diff --git a/arch/alpha/kernel/signal.c b/arch/alpha/kernel/signal.c index a8c97d42ec8e..32575f85507d 100644 --- a/arch/alpha/kernel/signal.c +++ b/arch/alpha/kernel/signal.c @@ -298,8 +298,9 @@ get_sigframe(struct k_sigaction *ka, unsigned long sp, size_t frame_size) static long setup_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs, - struct switch_stack *sw, unsigned long mask, unsigned long sp) + unsigned long mask, unsigned long sp) { + struct switch_stack *sw = (struct switch_stack *)regs - 1; long i, err = 0; err |= __put_user(on_sig_stack((unsigned long)sc), &sc->sc_onstack); @@ -354,7 +355,7 @@ setup_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs, static int setup_frame(int sig, struct k_sigaction *ka, sigset_t *set, - struct pt_regs *regs, struct switch_stack * sw) + struct pt_regs *regs) { unsigned long oldsp, r26, err = 0; struct sigframe __user *frame; @@ -364,7 +365,7 @@ setup_frame(int sig, struct k_sigaction *ka, sigset_t *set, if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame))) return -EFAULT; - err |= setup_sigcontext(&frame->sc, regs, sw, set->sig[0], oldsp); + err |= setup_sigcontext(&frame->sc, regs, set->sig[0], oldsp); if (err) return -EFAULT; @@ -401,7 +402,7 @@ setup_frame(int sig, struct k_sigaction *ka, sigset_t *set, static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, - sigset_t *set, struct pt_regs *regs, struct switch_stack * sw) + sigset_t *set, struct pt_regs *regs) { unsigned long oldsp, r26, err = 0; struct rt_sigframe __user *frame; @@ -420,7 +421,7 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, err |= __put_user(current->sas_ss_sp, &frame->uc.uc_stack.ss_sp); err |= __put_user(sas_ss_flags(oldsp), &frame->uc.uc_stack.ss_flags); err |= __put_user(current->sas_ss_size, &frame->uc.uc_stack.ss_size); - err |= setup_sigcontext(&frame->uc.uc_mcontext, regs, sw, + err |= setup_sigcontext(&frame->uc.uc_mcontext, regs, set->sig[0], oldsp); err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set)); if (err) @@ -464,15 +465,15 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, */ static inline void handle_signal(int sig, struct k_sigaction *ka, siginfo_t *info, - struct pt_regs * regs, struct switch_stack *sw) + struct pt_regs * regs) { sigset_t *oldset = sigmask_to_save(); int ret; if (ka->sa.sa_flags & SA_SIGINFO) - ret = setup_rt_frame(sig, ka, info, oldset, regs, sw); + ret = setup_rt_frame(sig, ka, info, oldset, regs); else - ret = setup_frame(sig, ka, oldset, regs, sw); + ret = setup_frame(sig, ka, oldset, regs); if (ret) { force_sigsegv(sig, current); @@ -519,8 +520,7 @@ syscall_restart(unsigned long r0, unsigned long r19, * all (if we get here from anything but a syscall return, it will be 0) */ static void -do_signal(struct pt_regs * regs, struct switch_stack * sw, - unsigned long r0, unsigned long r19) +do_signal(struct pt_regs *regs, unsigned long r0, unsigned long r19) { siginfo_t info; int signr; @@ -537,7 +537,7 @@ do_signal(struct pt_regs * regs, struct switch_stack * sw, /* Whee! Actually deliver the signal. */ if (r0) syscall_restart(r0, r19, regs, &ka); - handle_signal(signr, &ka, &info, regs, sw); + handle_signal(signr, &ka, &info, regs); if (single_stepping) ptrace_set_bpt(current); /* re-set bpt */ return; @@ -568,15 +568,23 @@ do_signal(struct pt_regs * regs, struct switch_stack * sw, } void -do_notify_resume(struct pt_regs *regs, struct switch_stack *sw, - unsigned long thread_info_flags, +do_work_pending(struct pt_regs *regs, unsigned long thread_flags, unsigned long r0, unsigned long r19) { - if (thread_info_flags & _TIF_SIGPENDING) - do_signal(regs, sw, r0, r19); - - if (thread_info_flags & _TIF_NOTIFY_RESUME) { - clear_thread_flag(TIF_NOTIFY_RESUME); - tracehook_notify_resume(regs); - } + do { + if (thread_flags & _TIF_NEED_RESCHED) { + schedule(); + } else { + local_irq_enable(); + if (thread_flags & _TIF_SIGPENDING) { + do_signal(regs, r0, r19); + r0 = 0; + } else { + clear_thread_flag(TIF_NOTIFY_RESUME); + tracehook_notify_resume(regs); + } + } + local_irq_disable(); + thread_flags = current_thread_info()->flags; + } while (thread_flags & _TIF_WORK_MASK); } diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 767aae8277fa..431c3753145a 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -53,6 +53,7 @@ config ARM select GENERIC_STRNLEN_USER select DCACHE_WORD_ACCESS if (CPU_V6 || CPU_V6K || CPU_V7) && !CPU_BIG_ENDIAN select GENERIC_KERNEL_THREAD + select GENERIC_KERNEL_EXECVE help The ARM series is a line of low-power-consumption RISC chip designs licensed by ARM Ltd and targeted at embedded applications and diff --git a/arch/arm/boot/compressed/.gitignore b/arch/arm/boot/compressed/.gitignore index d0d441c429ae..f79a08efe000 100644 --- a/arch/arm/boot/compressed/.gitignore +++ b/arch/arm/boot/compressed/.gitignore @@ -1,6 +1,7 @@ ashldi3.S font.c lib1funcs.S +hyp-stub.S piggy.gzip piggy.lzo piggy.lzma diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile index bb267562e7ed..a517153a13ea 100644 --- a/arch/arm/boot/compressed/Makefile +++ b/arch/arm/boot/compressed/Makefile @@ -30,6 +30,10 @@ FONTC = $(srctree)/drivers/video/console/font_acorn_8x8.c OBJS += string.o CFLAGS_string.o := -Os +ifeq ($(CONFIG_ARM_VIRT_EXT),y) +OBJS += hyp-stub.o +endif + # # Architecture dependencies # @@ -126,7 +130,7 @@ KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS)) endif ccflags-y := -fpic -fno-builtin -I$(obj) -asflags-y := -Wa,-march=all +asflags-y := -Wa,-march=all -DZIMAGE # Supply kernel BSS size to the decompressor via a linker symbol. KBSS_SZ = $(shell $(CROSS_COMPILE)size $(obj)/../../../../vmlinux | \ @@ -198,3 +202,6 @@ $(obj)/font.c: $(FONTC) $(obj)/vmlinux.lds: $(obj)/vmlinux.lds.in arch/arm/boot/Makefile $(KCONFIG_CONFIG) @sed "$(SEDFLAGS)" < $< > $@ + +$(obj)/hyp-stub.S: $(srctree)/arch/$(SRCARCH)/kernel/hyp-stub.S + $(call cmd,shipped) diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S index bc67cbff3944..90275f036cd1 100644 --- a/arch/arm/boot/compressed/head.S +++ b/arch/arm/boot/compressed/head.S @@ -9,6 +9,7 @@ * published by the Free Software Foundation. */ #include <linux/linkage.h> +#include <asm/assembler.h> /* * Debugging stuff @@ -132,7 +133,12 @@ start: .word start @ absolute load/run zImage address .word _edata @ zImage end address THUMB( .thumb ) -1: mov r7, r1 @ save architecture ID +1: + mrs r9, cpsr +#ifdef CONFIG_ARM_VIRT_EXT + bl __hyp_stub_install @ get into SVC mode, reversibly +#endif + mov r7, r1 @ save architecture ID mov r8, r2 @ save atags pointer #ifndef __ARM_ARCH_2__ @@ -148,9 +154,9 @@ start: ARM( swi 0x123456 ) @ angel_SWI_ARM THUMB( svc 0xab ) @ angel_SWI_THUMB not_angel: - mrs r2, cpsr @ turn off interrupts to - orr r2, r2, #0xc0 @ prevent angel from running - msr cpsr_c, r2 + safe_svcmode_maskall r0 + msr spsr_cxsf, r9 @ Save the CPU boot mode in + @ SPSR #else teqp pc, #0x0c000003 @ turn off interrupts #endif @@ -350,6 +356,20 @@ dtb_check_done: adr r5, restart bic r5, r5, #31 +/* Relocate the hyp vector base if necessary */ +#ifdef CONFIG_ARM_VIRT_EXT + mrs r0, spsr + and r0, r0, #MODE_MASK + cmp r0, #HYP_MODE + bne 1f + + bl __hyp_get_vectors + sub r0, r0, r5 + add r0, r0, r10 + bl __hyp_set_vectors +1: +#endif + sub r9, r6, r5 @ size to copy add r9, r9, #31 @ rounded up to a multiple bic r9, r9, #31 @ ... of 32 bytes @@ -458,11 +478,29 @@ not_relocated: mov r0, #0 bl decompress_kernel bl cache_clean_flush bl cache_off - mov r0, #0 @ must be zero mov r1, r7 @ restore architecture number mov r2, r8 @ restore atags pointer - ARM( mov pc, r4 ) @ call kernel - THUMB( bx r4 ) @ entry point is always ARM + +#ifdef CONFIG_ARM_VIRT_EXT + mrs r0, spsr @ Get saved CPU boot mode + and r0, r0, #MODE_MASK + cmp r0, #HYP_MODE @ if not booted in HYP mode... + bne __enter_kernel @ boot kernel directly + + adr r12, .L__hyp_reentry_vectors_offset + ldr r0, [r12] + add r0, r0, r12 + + bl __hyp_set_vectors + __HVC(0) @ otherwise bounce to hyp mode + + b . @ should never be reached + + .align 2 +.L__hyp_reentry_vectors_offset: .long __hyp_reentry_vectors - . +#else + b __enter_kernel +#endif .align 2 .type LC0, #object @@ -1196,6 +1234,25 @@ memdump: mov r12, r0 #endif .ltorg + +#ifdef CONFIG_ARM_VIRT_EXT +.align 5 +__hyp_reentry_vectors: + W(b) . @ reset + W(b) . @ undef + W(b) . @ svc + W(b) . @ pabort + W(b) . @ dabort + W(b) __enter_kernel @ hyp + W(b) . @ irq + W(b) . @ fiq +#endif /* CONFIG_ARM_VIRT_EXT */ + +__enter_kernel: + mov r0, #0 @ must be 0 + ARM( mov pc, r4 ) @ call kernel + THUMB( bx r4 ) @ entry point is always ARM + reloc_code_end: .align diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h index 5c8b3bf4d825..2ef95813fce0 100644 --- a/arch/arm/include/asm/assembler.h +++ b/arch/arm/include/asm/assembler.h @@ -22,6 +22,7 @@ #include <asm/ptrace.h> #include <asm/domain.h> +#include <asm/opcodes-virt.h> #define IOMEM(x) (x) @@ -240,6 +241,34 @@ #endif /* + * Helper macro to enter SVC mode cleanly and mask interrupts. reg is + * a scratch register for the macro to overwrite. + * + * This macro is intended for forcing the CPU into SVC mode at boot time. + * you cannot return to the original mode. + * + * Beware, it also clobers LR. + */ +.macro safe_svcmode_maskall reg:req + mrs \reg , cpsr + mov lr , \reg + and lr , lr , #MODE_MASK + cmp lr , #HYP_MODE + orr \reg , \reg , #PSR_I_BIT | PSR_F_BIT + bic \reg , \reg , #MODE_MASK + orr \reg , \reg , #SVC_MODE +THUMB( orr \reg , \reg , #PSR_T_BIT ) + bne 1f + orr \reg, \reg, #PSR_A_BIT + adr lr, BSYM(2f) + msr spsr_cxsf, \reg + __MSR_ELR_HYP(14) + __ERET +1: msr cpsr_c, \reg +2: +.endm + +/* * STRT/LDRT access macros with ARM and Thumb-2 variants */ #ifdef CONFIG_THUMB2_KERNEL diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h index e4448e16046d..e1489c54cd12 100644 --- a/arch/arm/include/asm/cacheflush.h +++ b/arch/arm/include/asm/cacheflush.h @@ -49,6 +49,13 @@ * * Unconditionally clean and invalidate the entire cache. * + * flush_kern_louis() + * + * Flush data cache levels up to the level of unification + * inner shareable and invalidate the I-cache. + * Only needed from v7 onwards, falls back to flush_cache_all() + * for all other processor versions. + * * flush_user_all() * * Clean and invalidate all user space cache entries @@ -97,6 +104,7 @@ struct cpu_cache_fns { void (*flush_icache_all)(void); void (*flush_kern_all)(void); + void (*flush_kern_louis)(void); void (*flush_user_all)(void); void (*flush_user_range)(unsigned long, unsigned long, unsigned int); @@ -119,6 +127,7 @@ extern struct cpu_cache_fns cpu_cache; #define __cpuc_flush_icache_all cpu_cache.flush_icache_all #define __cpuc_flush_kern_all cpu_cache.flush_kern_all +#define __cpuc_flush_kern_louis cpu_cache.flush_kern_louis #define __cpuc_flush_user_all cpu_cache.flush_user_all #define __cpuc_flush_user_range cpu_cache.flush_user_range #define __cpuc_coherent_kern_range cpu_cache.coherent_kern_range @@ -139,6 +148,7 @@ extern struct cpu_cache_fns cpu_cache; extern void __cpuc_flush_icache_all(void); extern void __cpuc_flush_kern_all(void); +extern void __cpuc_flush_kern_louis(void); extern void __cpuc_flush_user_all(void); extern void __cpuc_flush_user_range(unsigned long, unsigned long, unsigned int); extern void __cpuc_coherent_kern_range(unsigned long, unsigned long); @@ -204,6 +214,11 @@ static inline void __flush_icache_all(void) __flush_icache_preferred(); } +/* + * Flush caches up to Level of Unification Inner Shareable + */ +#define flush_cache_louis() __cpuc_flush_kern_louis() + #define flush_cache_all() __cpuc_flush_kern_all() static inline void vivt_flush_cache_mm(struct mm_struct *mm) diff --git a/arch/arm/include/asm/glue-cache.h b/arch/arm/include/asm/glue-cache.h index 4f8d2c0dc441..cca9f15704ed 100644 --- a/arch/arm/include/asm/glue-cache.h +++ b/arch/arm/include/asm/glue-cache.h @@ -132,6 +132,7 @@ #ifndef MULTI_CACHE #define __cpuc_flush_icache_all __glue(_CACHE,_flush_icache_all) #define __cpuc_flush_kern_all __glue(_CACHE,_flush_kern_cache_all) +#define __cpuc_flush_kern_louis __glue(_CACHE,_flush_kern_cache_louis) #define __cpuc_flush_user_all __glue(_CACHE,_flush_user_cache_all) #define __cpuc_flush_user_range __glue(_CACHE,_flush_user_cache_range) #define __cpuc_coherent_kern_range __glue(_CACHE,_coherent_kern_range) diff --git a/arch/arm/include/asm/opcodes-virt.h b/arch/arm/include/asm/opcodes-virt.h index b85665a96f8e..efcfdf92d9d5 100644 --- a/arch/arm/include/asm/opcodes-virt.h +++ b/arch/arm/include/asm/opcodes-virt.h @@ -26,4 +26,14 @@ 0xF7E08000 | (((imm16) & 0xF000) << 4) | ((imm16) & 0x0FFF) \ ) +#define __ERET __inst_arm_thumb32( \ + 0xE160006E, \ + 0xF3DE8F00 \ +) + +#define __MSR_ELR_HYP(regnum) __inst_arm_thumb32( \ + 0xE12EF300 | regnum, \ + 0xF3808E30 | (regnum << 16) \ +) + #endif /* ! __ASM_ARM_OPCODES_VIRT_H */ diff --git a/arch/arm/include/asm/ptrace.h b/arch/arm/include/asm/ptrace.h index 44fe998269d9..142d6ae41231 100644 --- a/arch/arm/include/asm/ptrace.h +++ b/arch/arm/include/asm/ptrace.h @@ -44,6 +44,7 @@ #define IRQ_MODE 0x00000012 #define SVC_MODE 0x00000013 #define ABT_MODE 0x00000017 +#define HYP_MODE 0x0000001a #define UND_MODE 0x0000001b #define SYSTEM_MODE 0x0000001f #define MODE32_BIT 0x00000010 diff --git a/arch/arm/include/asm/thread_info.h b/arch/arm/include/asm/thread_info.h index f71cdab18b87..8477b4c1d39f 100644 --- a/arch/arm/include/asm/thread_info.h +++ b/arch/arm/include/asm/thread_info.h @@ -151,7 +151,6 @@ extern int vfp_restore_user_hwstate(struct user_vfp __user *, #define TIF_SYSCALL_TRACE 8 #define TIF_SYSCALL_AUDIT 9 #define TIF_SYSCALL_TRACEPOINT 10 -#define TIF_POLLING_NRFLAG 16 #define TIF_USING_IWMMXT 17 #define TIF_MEMDIE 18 /* is terminating due to OOM killer */ #define TIF_RESTORE_SIGMASK 20 @@ -164,7 +163,6 @@ extern int vfp_restore_user_hwstate(struct user_vfp __user *, #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) #define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT) #define _TIF_SYSCALL_TRACEPOINT (1 << TIF_SYSCALL_TRACEPOINT) -#define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG) #define _TIF_USING_IWMMXT (1 << TIF_USING_IWMMXT) #define _TIF_SECCOMP (1 << TIF_SECCOMP) diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h index f259921edfe9..91819ad54424 100644 --- a/arch/arm/include/asm/unistd.h +++ b/arch/arm/include/asm/unistd.h @@ -479,7 +479,6 @@ #define __ARCH_WANT_SYS_SOCKETCALL #endif #define __ARCH_WANT_SYS_EXECVE -#define __ARCH_WANT_KERNEL_EXECVE /* * "Conditional" syscalls diff --git a/arch/arm/include/asm/vfpmacros.h b/arch/arm/include/asm/vfpmacros.h index a7aadbd9a6dd..6a6f1e485f41 100644 --- a/arch/arm/include/asm/vfpmacros.h +++ b/arch/arm/include/asm/vfpmacros.h @@ -28,7 +28,7 @@ ldr \tmp, =elf_hwcap @ may not have MVFR regs ldr \tmp, [\tmp, #0] tst \tmp, #HWCAP_VFPv3D16 - ldceq p11, cr0, [\base],#32*4 @ FLDMIAD \base!, {d16-d31} + ldceql p11, cr0, [\base],#32*4 @ FLDMIAD \base!, {d16-d31} addne \base, \base, #32*4 @ step over unused register space #else VFPFMRX \tmp, MVFR0 @ Media and VFP Feature Register 0 @@ -52,7 +52,7 @@ ldr \tmp, =elf_hwcap @ may not have MVFR regs ldr \tmp, [\tmp, #0] tst \tmp, #HWCAP_VFPv3D16 - stceq p11, cr0, [\base],#32*4 @ FSTMIAD \base!, {d16-d31} + stceql p11, cr0, [\base],#32*4 @ FSTMIAD \base!, {d16-d31} addne \base, \base, #32*4 @ step over unused register space #else VFPFMRX \tmp, MVFR0 @ Media and VFP Feature Register 0 diff --git a/arch/arm/include/asm/virt.h b/arch/arm/include/asm/virt.h new file mode 100644 index 000000000000..86164df86cb4 --- /dev/null +++ b/arch/arm/include/asm/virt.h @@ -0,0 +1,69 @@ +/* + * Copyright (c) 2012 Linaro Limited. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef VIRT_H +#define VIRT_H + +#include <asm/ptrace.h> + +/* + * Flag indicating that the kernel was not entered in the same mode on every + * CPU. The zImage loader stashes this value in an SPSR, so we need an + * architecturally defined flag bit here (the N flag, as it happens) + */ +#define BOOT_CPU_MODE_MISMATCH (1<<31) + +#ifndef __ASSEMBLY__ + +#ifdef CONFIG_ARM_VIRT_EXT +/* + * __boot_cpu_mode records what mode the primary CPU was booted in. + * A correctly-implemented bootloader must start all CPUs in the same mode: + * if it fails to do this, the flag BOOT_CPU_MODE_MISMATCH is set to indicate + * that some CPU(s) were booted in a different mode. + * + * This allows the kernel to flag an error when the secondaries have come up. + */ +extern int __boot_cpu_mode; + +void __hyp_set_vectors(unsigned long phys_vector_base); +unsigned long __hyp_get_vectors(void); +#else +#define __boot_cpu_mode (SVC_MODE) +#endif + +#ifndef ZIMAGE +void hyp_mode_check(void); + +/* Reports the availability of HYP mode */ +static inline bool is_hyp_mode_available(void) +{ + return ((__boot_cpu_mode & MODE_MASK) == HYP_MODE && + !(__boot_cpu_mode & BOOT_CPU_MODE_MISMATCH)); +} + +/* Check if the bootloader has booted CPUs in different modes */ +static inline bool is_hyp_mode_mismatched(void) +{ + return !!(__boot_cpu_mode & BOOT_CPU_MODE_MISMATCH); +} +#endif + +#endif /* __ASSEMBLY__ */ + +#endif /* ! VIRT_H */ diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile index 5dfef9d97ed9..5bbec7b8183e 100644 --- a/arch/arm/kernel/Makefile +++ b/arch/arm/kernel/Makefile @@ -81,4 +81,6 @@ head-y := head$(MMUEXT).o obj-$(CONFIG_DEBUG_LL) += debug.o obj-$(CONFIG_EARLY_PRINTK) += early_printk.o +obj-$(CONFIG_ARM_VIRT_EXT) += hyp-stub.o + extra-y := $(head-y) vmlinux.lds diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S index e340fa1db203..417bac1846bd 100644 --- a/arch/arm/kernel/entry-common.S +++ b/arch/arm/kernel/entry-common.S @@ -86,35 +86,14 @@ ENDPROC(ret_to_user) */ ENTRY(ret_from_fork) bl schedule_tail + cmp r5, #0 + movne r0, r4 + movne lr, pc + movne pc, r5 get_thread_info tsk - mov why, #1 b ret_slow_syscall ENDPROC(ret_from_fork) -ENTRY(ret_from_kernel_thread) - UNWIND(.fnstart) - UNWIND(.cantunwind) - bl schedule_tail - mov r0, r4 - adr lr, BSYM(1f) @ kernel threads should not exit - mov pc, r5 -1: bl do_exit - nop - UNWIND(.fnend) -ENDPROC(ret_from_kernel_thread) - -/* - * turn a kernel thread into userland process - * use: ret_from_kernel_execve(struct pt_regs *normal) - */ -ENTRY(ret_from_kernel_execve) - mov why, #0 @ not a syscall - str why, [r0, #S_R0] @ ... and we want 0 in ->ARM_r0 as well - get_thread_info tsk @ thread structure - mov sp, r0 @ stack pointer just under pt_regs - b ret_slow_syscall -ENDPROC(ret_from_kernel_execve) - .equ NR_syscalls,0 #define CALL(x) .equ NR_syscalls,NR_syscalls+1 #include "calls.S" diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S index 9874d0741191..4eee351f4668 100644 --- a/arch/arm/kernel/head.S +++ b/arch/arm/kernel/head.S @@ -83,8 +83,12 @@ ENTRY(stext) THUMB( .thumb ) @ switch to Thumb now. THUMB(1: ) - setmode PSR_F_BIT | PSR_I_BIT | SVC_MODE, r9 @ ensure svc mode - @ and irqs disabled +#ifdef CONFIG_ARM_VIRT_EXT + bl __hyp_stub_install +#endif + @ ensure svc mode and all interrupts masked + safe_svcmode_maskall r9 + mrc p15, 0, r9, c0, c0 @ get processor id bl __lookup_processor_type @ r5=procinfo r9=cpuid movs r10, r5 @ invalid processor (r5=0)? @@ -326,7 +330,11 @@ ENTRY(secondary_startup) * the processor type - there is no need to check the machine type * as it has already been validated by the primary processor. */ - setmode PSR_F_BIT | PSR_I_BIT | SVC_MODE, r9 +#ifdef CONFIG_ARM_VIRT_EXT + bl __hyp_stub_install +#endif + safe_svcmode_maskall r9 + mrc p15, 0, r9, c0, c0 @ get processor id bl __lookup_processor_type movs r10, r5 @ invalid processor? diff --git a/arch/arm/kernel/hyp-stub.S b/arch/arm/kernel/hyp-stub.S new file mode 100644 index 000000000000..65b2417aebce --- /dev/null +++ b/arch/arm/kernel/hyp-stub.S @@ -0,0 +1,223 @@ +/* + * Copyright (c) 2012 Linaro Limited. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include <linux/init.h> +#include <linux/linkage.h> +#include <asm/assembler.h> +#include <asm/virt.h> + +#ifndef ZIMAGE +/* + * For the kernel proper, we need to find out the CPU boot mode long after + * boot, so we need to store it in a writable variable. + * + * This is not in .bss, because we set it sufficiently early that the boot-time + * zeroing of .bss would clobber it. + */ +.data +ENTRY(__boot_cpu_mode) + .long 0 +.text + + /* + * Save the primary CPU boot mode. Requires 3 scratch registers. + */ + .macro store_primary_cpu_mode reg1, reg2, reg3 + mrs \reg1, cpsr + and \reg1, \reg1, #MODE_MASK + adr \reg2, .L__boot_cpu_mode_offset + ldr \reg3, [\reg2] + str \reg1, [\reg2, \reg3] + .endm + + /* + * Compare the current mode with the one saved on the primary CPU. + * If they don't match, record that fact. The Z bit indicates + * if there's a match or not. + * Requires 3 additionnal scratch registers. + */ + .macro compare_cpu_mode_with_primary mode, reg1, reg2, reg3 + adr \reg2, .L__boot_cpu_mode_offset + ldr \reg3, [\reg2] + ldr \reg1, [\reg2, \reg3] + cmp \mode, \reg1 @ matches primary CPU boot mode? + orrne r7, r7, #BOOT_CPU_MODE_MISMATCH + strne r7, [r5, r6] @ record what happened and give up + .endm + +#else /* ZIMAGE */ + + .macro store_primary_cpu_mode reg1:req, reg2:req, reg3:req + .endm + +/* + * The zImage loader only runs on one CPU, so we don't bother with mult-CPU + * consistency checking: + */ + .macro compare_cpu_mode_with_primary mode, reg1, reg2, reg3 + cmp \mode, \mode + .endm + +#endif /* ZIMAGE */ + +/* + * Hypervisor stub installation functions. + * + * These must be called with the MMU and D-cache off. + * They are not ABI compliant and are only intended to be called from the kernel + * entry points in head.S. + */ +@ Call this from the primary CPU +ENTRY(__hyp_stub_install) + store_primary_cpu_mode r4, r5, r6 +ENDPROC(__hyp_stub_install) + + @ fall through... + +@ Secondary CPUs should call here +ENTRY(__hyp_stub_install_secondary) + mrs r4, cpsr + and r4, r4, #MODE_MASK + + /* + * If the secondary has booted with a different mode, give up + * immediately. + */ + compare_cpu_mode_with_primary r4, r5, r6, r7 + bxne lr + + /* + * Once we have given up on one CPU, we do not try to install the + * stub hypervisor on the remaining ones: because the saved boot mode + * is modified, it can't compare equal to the CPSR mode field any + * more. + * + * Otherwise... + */ + + cmp r4, #HYP_MODE + bxne lr @ give up if the CPU is not in HYP mode + +/* + * Configure HSCTLR to set correct exception endianness/instruction set + * state etc. + * Turn off all traps + * Eventually, CPU-specific code might be needed -- assume not for now + * + * This code relies on the "eret" instruction to synchronize the + * various coprocessor accesses. + */ + @ Now install the hypervisor stub: + adr r7, __hyp_stub_vectors + mcr p15, 4, r7, c12, c0, 0 @ set hypervisor vector base (HVBAR) + + @ Disable all traps, so we don't get any nasty surprise + mov r7, #0 + mcr p15, 4, r7, c1, c1, 0 @ HCR + mcr p15, 4, r7, c1, c1, 2 @ HCPTR + mcr p15, 4, r7, c1, c1, 3 @ HSTR + +THUMB( orr r7, #(1 << 30) ) @ HSCTLR.TE +#ifdef CONFIG_CPU_BIG_ENDIAN + orr r7, #(1 << 9) @ HSCTLR.EE +#endif + mcr p15, 4, r7, c1, c0, 0 @ HSCTLR + + mrc p15, 4, r7, c1, c1, 1 @ HDCR + and r7, #0x1f @ Preserve HPMN + mcr p15, 4, r7, c1, c1, 1 @ HDCR + +#if !defined(ZIMAGE) && defined(CONFIG_ARM_ARCH_TIMER) + @ make CNTP_* and CNTPCT accessible from PL1 + mrc p15, 0, r7, c0, c1, 1 @ ID_PFR1 + lsr r7, #16 + and r7, #0xf + cmp r7, #1 + bne 1f + mrc p15, 4, r7, c14, c1, 0 @ CNTHCTL + orr r7, r7, #3 @ PL1PCEN | PL1PCTEN + mcr p15, 4, r7, c14, c1, 0 @ CNTHCTL +1: +#endif + + bic r7, r4, #MODE_MASK + orr r7, r7, #SVC_MODE +THUMB( orr r7, r7, #PSR_T_BIT ) + msr spsr_cxsf, r7 @ This is SPSR_hyp. + + __MSR_ELR_HYP(14) @ msr elr_hyp, lr + __ERET @ return, switching to SVC mode + @ The boot CPU mode is left in r4. +ENDPROC(__hyp_stub_install_secondary) + +__hyp_stub_do_trap: + cmp r0, #-1 + mrceq p15, 4, r0, c12, c0, 0 @ get HVBAR + mcrne p15, 4, r0, c12, c0, 0 @ set HVBAR + __ERET +ENDPROC(__hyp_stub_do_trap) + +/* + * __hyp_set_vectors: Call this after boot to set the initial hypervisor + * vectors as part of hypervisor installation. On an SMP system, this should + * be called on each CPU. + * + * r0 must be the physical address of the new vector table (which must lie in + * the bottom 4GB of physical address space. + * + * r0 must be 32-byte aligned. + * + * Before calling this, you must check that the stub hypervisor is installed + * everywhere, by waiting for any secondary CPUs to be brought up and then + * checking that BOOT_CPU_MODE_HAVE_HYP(__boot_cpu_mode) is true. + * + * If not, there is a pre-existing hypervisor, some CPUs failed to boot, or + * something else went wrong... in such cases, trying to install a new + * hypervisor is unlikely to work as desired. + * + * When you call into your shiny new hypervisor, sp_hyp will contain junk, + * so you will need to set that to something sensible at the new hypervisor's + * initialisation entry point. + */ +ENTRY(__hyp_get_vectors) + mov r0, #-1 +ENDPROC(__hyp_get_vectors) + @ fall through +ENTRY(__hyp_set_vectors) + __HVC(0) + bx lr +ENDPROC(__hyp_set_vectors) + +#ifndef ZIMAGE +.align 2 +.L__boot_cpu_mode_offset: + .long __boot_cpu_mode - . +#endif + +.align 5 +__hyp_stub_vectors: +__hyp_stub_reset: W(b) . +__hyp_stub_und: W(b) . +__hyp_stub_svc: W(b) . +__hyp_stub_pabort: W(b) . +__hyp_stub_dabort: W(b) . +__hyp_stub_trap: W(b) __hyp_stub_do_trap +__hyp_stub_irq: W(b) . +__hyp_stub_fiq: W(b) . +ENDPROC(__hyp_stub_vectors) + diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c index f98c17ff1957..90084a6de35a 100644 --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c @@ -373,7 +373,6 @@ void release_thread(struct task_struct *dead_task) } asmlinkage void ret_from_fork(void) __asm__("ret_from_fork"); -asmlinkage void ret_from_kernel_thread(void) __asm__("ret_from_kernel_thread"); int copy_thread(unsigned long clone_flags, unsigned long stack_start, @@ -388,13 +387,13 @@ copy_thread(unsigned long clone_flags, unsigned long stack_start, *childregs = *regs; childregs->ARM_r0 = 0; childregs->ARM_sp = stack_start; - thread->cpu_context.pc = (unsigned long)ret_from_fork; } else { + memset(childregs, 0, sizeof(struct pt_regs)); thread->cpu_context.r4 = stk_sz; thread->cpu_context.r5 = stack_start; - thread->cpu_context.pc = (unsigned long)ret_from_kernel_thread; childregs->ARM_cpsr = SVC_MODE; } + thread->cpu_context.pc = (unsigned long)ret_from_fork; thread->cpu_context.sp = (unsigned long)childregs; clear_ptrace_hw_breakpoint(p); diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index febafa0f552d..da1d1aa20ad9 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -53,6 +53,7 @@ #include <asm/traps.h> #include <asm/unwind.h> #include <asm/memblock.h> +#include <asm/virt.h> #include "atags.h" #include "tcm.h" @@ -703,6 +704,21 @@ static int __init meminfo_cmp(const void *_a, const void *_b) return cmp < 0 ? -1 : cmp > 0 ? 1 : 0; } +void __init hyp_mode_check(void) +{ +#ifdef CONFIG_ARM_VIRT_EXT + if (is_hyp_mode_available()) { + pr_info("CPU: All CPU(s) started in HYP mode.\n"); + pr_info("CPU: Virtualization extensions available.\n"); + } else if (is_hyp_mode_mismatched()) { + pr_warn("CPU: WARNING: CPU(s) started in wrong/inconsistent modes (primary CPU mode 0x%x)\n", + __boot_cpu_mode & MODE_MASK); + pr_warn("CPU: This may indicate a broken bootloader or firmware.\n"); + } else + pr_info("CPU: All CPU(s) started in SVC mode.\n"); +#endif +} + void __init setup_arch(char **cmdline_p) { struct machine_desc *mdesc; @@ -748,6 +764,10 @@ void __init setup_arch(char **cmdline_p) smp_init_cpus(); } #endif + + if (!is_smp()) + hyp_mode_check(); + reserve_crashkernel(); tcm_init(); diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c index f27789e4e38a..56f72d257ebd 100644 --- a/arch/arm/kernel/signal.c +++ b/arch/arm/kernel/signal.c @@ -10,7 +10,6 @@ #include <linux/errno.h> #include <linux/signal.h> #include <linux/personality.h> -#include <linux/freezer.h> #include <linux/uaccess.h> #include <linux/tracehook.h> diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index d100eacdb798..8e20754dd31d 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -43,6 +43,7 @@ #include <asm/ptrace.h> #include <asm/localtimer.h> #include <asm/smp_plat.h> +#include <asm/virt.h> #include <asm/mach/arch.h> /* @@ -202,8 +203,11 @@ int __cpuinit __cpu_disable(void) /* * Flush user cache and TLB mappings, and then remove this CPU * from the vm mask set of all processes. + * + * Caches are flushed to the Level of Unification Inner Shareable + * to write-back dirty lines to unified caches shared by all CPUs. */ - flush_cache_all(); + flush_cache_louis(); local_flush_tlb_all(); clear_tasks_mm_cpumask(cpu); @@ -355,6 +359,8 @@ void __init smp_cpus_done(unsigned int max_cpus) num_online_cpus(), bogosum / (500000/HZ), (bogosum / (5000/HZ)) % 100); + + hyp_mode_check(); } void __init smp_prepare_boot_cpu(void) diff --git a/arch/arm/kernel/suspend.c b/arch/arm/kernel/suspend.c index 1794cc3b0f18..358bca3a995e 100644 --- a/arch/arm/kernel/suspend.c +++ b/arch/arm/kernel/suspend.c @@ -17,6 +17,8 @@ extern void cpu_resume_mmu(void); */ void __cpu_suspend_save(u32 *ptr, u32 ptrsz, u32 sp, u32 *save_ptr) { + u32 *ctx = ptr; + *save_ptr = virt_to_phys(ptr); /* This must correspond to the LDM in cpu_resume() assembly */ @@ -26,7 +28,20 @@ void __cpu_suspend_save(u32 *ptr, u32 ptrsz, u32 sp, u32 *save_ptr) cpu_do_suspend(ptr); - flush_cache_all(); + flush_cache_louis(); + + /* + * flush_cache_louis does not guarantee that + * save_ptr and ptr are cleaned to main memory, + * just up to the Level of Unification Inner Shareable. + * Since the context pointer and context itself + * are to be retrieved with the MMU off that + * data must be cleaned from all cache levels + * to main memory using "area" cache primitives. + */ + __cpuc_flush_dcache_area(ctx, ptrsz); + __cpuc_flush_dcache_area(save_ptr, sizeof(*save_ptr)); + outer_clean_range(*save_ptr, *save_ptr + ptrsz); outer_clean_range(virt_to_phys(save_ptr), virt_to_phys(save_ptr) + sizeof(*save_ptr)); diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig index ab99c3c3b752..026b4b277ae5 100644 --- a/arch/arm/mach-davinci/Kconfig +++ b/arch/arm/mach-davinci/Kconfig @@ -186,6 +186,13 @@ config DA850_UI_RMII NOTE: Please take care while choosing this option, MII PHY will not be functional if RMII mode is selected. +config DA850_UI_SD_VIDEO_PORT + bool "Video Port Interface" + help + Say Y if you want to use Video Port Interface (VPIF) on the + DA850/OMAP-L138 EVM. The Video decoders/encoders are found on the + UI daughter card that is supplied with the EVM. + endchoice config DA850_WL12XX diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c index 1295e616ceee..32ee3f895967 100644 --- a/arch/arm/mach-davinci/board-da850-evm.c +++ b/arch/arm/mach-davinci/board-da850-evm.c @@ -45,6 +45,9 @@ #include <linux/platform_data/mtd-davinci-aemif.h> #include <linux/platform_data/spi-davinci.h> +#include <media/tvp514x.h> +#include <media/adv7343.h> + #define DA850_EVM_PHY_ID "davinci_mdio-0:00" #define DA850_LCD_PWR_PIN GPIO_TO_PIN(2, 8) #define DA850_LCD_BL_PIN GPIO_TO_PIN(2, 15) @@ -452,6 +455,15 @@ static void da850_evm_ui_keys_init(unsigned gpio) } } +#ifdef CONFIG_DA850_UI_SD_VIDEO_PORT +static inline void da850_evm_setup_video_port(int video_sel) +{ + gpio_set_value_cansleep(video_sel, 0); +} +#else +static inline void da850_evm_setup_video_port(int video_sel) { } +#endif + static int da850_evm_ui_expander_setup(struct i2c_client *client, unsigned gpio, unsigned ngpio, void *c) { @@ -497,6 +509,8 @@ static int da850_evm_ui_expander_setup(struct i2c_client *client, unsigned gpio, da850_evm_setup_emac_rmii(sel_a); + da850_evm_setup_video_port(sel_c); + return 0; exp_setup_keys_fail: @@ -1149,6 +1163,169 @@ static __init int da850_evm_init_cpufreq(void) static __init int da850_evm_init_cpufreq(void) { return 0; } #endif +#if defined(CONFIG_DA850_UI_SD_VIDEO_PORT) + +#define TVP5147_CH0 "tvp514x-0" +#define TVP5147_CH1 "tvp514x-1" + +/* VPIF capture configuration */ +static struct tvp514x_platform_data tvp5146_pdata = { + .clk_polarity = 0, + .hs_polarity = 1, + .vs_polarity = 1, +}; + +#define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL) + +static const struct vpif_input da850_ch0_inputs[] = { + { + .input = { + .index = 0, + .name = "Composite", + .type = V4L2_INPUT_TYPE_CAMERA, + .capabilities = V4L2_IN_CAP_STD, + .std = TVP514X_STD_ALL, + }, + .input_route = INPUT_CVBS_VI2B, + .output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC, + .subdev_name = TVP5147_CH0, + }, +}; + +static const struct vpif_input da850_ch1_inputs[] = { + { + .input = { + .index = 0, + .name = "S-Video", + .type = V4L2_INPUT_TYPE_CAMERA, + .capabilities = V4L2_IN_CAP_STD, + .std = TVP514X_STD_ALL, + }, + .input_route = INPUT_SVIDEO_VI2C_VI1C, + .output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC, + .subdev_name = TVP5147_CH1, + }, +}; + +static struct vpif_subdev_info da850_vpif_capture_sdev_info[] = { + { + .name = TVP5147_CH0, + .board_info = { + I2C_BOARD_INFO("tvp5146", 0x5d), + .platform_data = &tvp5146_pdata, + }, + }, + { + .name = TVP5147_CH1, + .board_info = { + I2C_BOARD_INFO("tvp5146", 0x5c), + .platform_data = &tvp5146_pdata, + }, + }, +}; + +static struct vpif_capture_config da850_vpif_capture_config = { + .subdev_info = da850_vpif_capture_sdev_info, + .subdev_count = ARRAY_SIZE(da850_vpif_capture_sdev_info), + .chan_config[0] = { + .inputs = da850_ch0_inputs, + .input_count = ARRAY_SIZE(da850_ch0_inputs), + .vpif_if = { + .if_type = VPIF_IF_BT656, + .hd_pol = 1, + .vd_pol = 1, + .fid_pol = 0, + }, + }, + .chan_config[1] = { + .inputs = da850_ch1_inputs, + .input_count = ARRAY_SIZE(da850_ch1_inputs), + .vpif_if = { + .if_type = VPIF_IF_BT656, + .hd_pol = 1, + .vd_pol = 1, + .fid_pol = 0, + }, + }, + .card_name = "DA850/OMAP-L138 Video Capture", +}; + +/* VPIF display configuration */ +static struct vpif_subdev_info da850_vpif_subdev[] = { + { + .name = "adv7343", + .board_info = { + I2C_BOARD_INFO("adv7343", 0x2a), + }, + }, +}; + +static const struct vpif_output da850_ch0_outputs[] = { + { + .output = { + .index = 0, + .name = "Composite", + .type = V4L2_OUTPUT_TYPE_ANALOG, + .capabilities = V4L2_OUT_CAP_STD, + .std = V4L2_STD_ALL, + }, + .subdev_name = "adv7343", + .output_route = ADV7343_COMPOSITE_ID, + }, + { + .output = { + .index = 1, + .name = "S-Video", + .type = V4L2_OUTPUT_TYPE_ANALOG, + .capabilities = V4L2_OUT_CAP_STD, + .std = V4L2_STD_ALL, + }, + .subdev_name = "adv7343", + .output_route = ADV7343_SVIDEO_ID, + }, +}; + +static struct vpif_display_config da850_vpif_display_config = { + .subdevinfo = da850_vpif_subdev, + .subdev_count = ARRAY_SIZE(da850_vpif_subdev), + .chan_config[0] = { + .outputs = da850_ch0_outputs, + .output_count = ARRAY_SIZE(da850_ch0_outputs), + }, + .card_name = "DA850/OMAP-L138 Video Display", +}; + +static __init void da850_vpif_init(void) +{ + int ret; + + ret = da850_register_vpif(); + if (ret) + pr_warn("da850_evm_init: VPIF setup failed: %d\n", ret); + + ret = davinci_cfg_reg_list(da850_vpif_capture_pins); + if (ret) + pr_warn("da850_evm_init: VPIF capture mux setup failed: %d\n", + ret); + + ret = da850_register_vpif_capture(&da850_vpif_capture_config); + if (ret) + pr_warn("da850_evm_init: VPIF capture setup failed: %d\n", ret); + + ret = davinci_cfg_reg_list(da850_vpif_display_pins); + if (ret) + pr_warn("da850_evm_init: VPIF display mux setup failed: %d\n", + ret); + + ret = da850_register_vpif_display(&da850_vpif_display_config); + if (ret) + pr_warn("da850_evm_init: VPIF display setup failed: %d\n", ret); +} + +#else +static __init void da850_vpif_init(void) {} +#endif + #ifdef CONFIG_DA850_WL12XX static void wl12xx_set_power(int index, bool power_on) @@ -1375,6 +1552,8 @@ static __init void da850_evm_init(void) pr_warning("da850_evm_init: suspend registration failed: %d\n", ret); + da850_vpif_init(); + ret = da8xx_register_spi(1, da850evm_spi_info, ARRAY_SIZE(da850evm_spi_info)); if (ret) diff --git a/arch/arm/mach-davinci/board-dm644x-evm.c b/arch/arm/mach-davinci/board-dm644x-evm.c index ca72fc4b8cca..f22572cee49d 100644 --- a/arch/arm/mach-davinci/board-dm644x-evm.c +++ b/arch/arm/mach-davinci/board-dm644x-evm.c @@ -23,6 +23,7 @@ #include <linux/phy.h> #include <linux/clk.h> #include <linux/videodev2.h> +#include <linux/v4l2-dv-timings.h> #include <linux/export.h> #include <media/tvp514x.h> @@ -620,7 +621,7 @@ static struct vpbe_enc_mode_info dm644xevm_enc_std_timing[] = { { .name = "ntsc", .timings_type = VPBE_ENC_STD, - .timings = {V4L2_STD_525_60}, + .std_id = V4L2_STD_525_60, .interlaced = 1, .xres = 720, .yres = 480, @@ -632,7 +633,7 @@ static struct vpbe_enc_mode_info dm644xevm_enc_std_timing[] = { { .name = "pal", .timings_type = VPBE_ENC_STD, - .timings = {V4L2_STD_625_50}, + .std_id = V4L2_STD_625_50, .interlaced = 1, .xres = 720, .yres = 576, @@ -647,8 +648,8 @@ static struct vpbe_enc_mode_info dm644xevm_enc_std_timing[] = { static struct vpbe_enc_mode_info dm644xevm_enc_preset_timing[] = { { .name = "480p59_94", - .timings_type = VPBE_ENC_DV_PRESET, - .timings = {V4L2_DV_480P59_94}, + .timings_type = VPBE_ENC_CUSTOM_TIMINGS, + .dv_timings = V4L2_DV_BT_CEA_720X480P59_94, .interlaced = 0, .xres = 720, .yres = 480, @@ -659,8 +660,8 @@ static struct vpbe_enc_mode_info dm644xevm_enc_preset_timing[] = { }, { .name = "576p50", - .timings_type = VPBE_ENC_DV_PRESET, - .timings = {V4L2_DV_576P50}, + .timings_type = VPBE_ENC_CUSTOM_TIMINGS, + .dv_timings = V4L2_DV_BT_CEA_720X576P50, .interlaced = 0, .xres = 720, .yres = 576, @@ -698,7 +699,7 @@ static struct vpbe_output dm644xevm_vpbe_outputs[] = { .index = 1, .name = "Component", .type = V4L2_OUTPUT_TYPE_ANALOG, - .capabilities = V4L2_OUT_CAP_PRESETS, + .capabilities = V4L2_OUT_CAP_DV_TIMINGS, }, .subdev_name = VPBE_VENC_SUBDEV_NAME, .default_mode = "480p59_94", diff --git a/arch/arm/mach-davinci/board-dm646x-evm.c b/arch/arm/mach-davinci/board-dm646x-evm.c index 9944367b4931..1dbf85beed1b 100644 --- a/arch/arm/mach-davinci/board-dm646x-evm.c +++ b/arch/arm/mach-davinci/board-dm646x-evm.c @@ -26,6 +26,7 @@ #include <linux/i2c/pcf857x.h> #include <media/tvp514x.h> +#include <media/adv7343.h> #include <linux/mtd/mtd.h> #include <linux/mtd/nand.h> @@ -496,18 +497,49 @@ static struct vpif_subdev_info dm646x_vpif_subdev[] = { }, }; -static const char *output[] = { - "Composite", - "Component", - "S-Video", +static const struct vpif_output dm6467_ch0_outputs[] = { + { + .output = { + .index = 0, + .name = "Composite", + .type = V4L2_OUTPUT_TYPE_ANALOG, + .capabilities = V4L2_OUT_CAP_STD, + .std = V4L2_STD_ALL, + }, + .subdev_name = "adv7343", + .output_route = ADV7343_COMPOSITE_ID, + }, + { + .output = { + .index = 1, + .name = "Component", + .type = V4L2_OUTPUT_TYPE_ANALOG, + .capabilities = V4L2_OUT_CAP_CUSTOM_TIMINGS, + }, + .subdev_name = "adv7343", + .output_route = ADV7343_COMPONENT_ID, + }, + { + .output = { + .index = 2, + .name = "S-Video", + .type = V4L2_OUTPUT_TYPE_ANALOG, + .capabilities = V4L2_OUT_CAP_STD, + .std = V4L2_STD_ALL, + }, + .subdev_name = "adv7343", + .output_route = ADV7343_SVIDEO_ID, + }, }; static struct vpif_display_config dm646x_vpif_display_config = { .set_clock = set_vpif_clock, .subdevinfo = dm646x_vpif_subdev, .subdev_count = ARRAY_SIZE(dm646x_vpif_subdev), - .output = output, - .output_count = ARRAY_SIZE(output), + .chan_config[0] = { + .outputs = dm6467_ch0_outputs, + .output_count = ARRAY_SIZE(dm6467_ch0_outputs), + }, .card_name = "DM646x EVM", }; @@ -601,15 +633,6 @@ static struct vpif_subdev_info vpif_capture_sdev_info[] = { I2C_BOARD_INFO("tvp5146", 0x5d), .platform_data = &tvp5146_pdata, }, - .input = INPUT_CVBS_VI2B, - .output = OUTPUT_10BIT_422_EMBEDDED_SYNC, - .can_route = 1, - .vpif_if = { - .if_type = VPIF_IF_BT656, - .hd_pol = 1, - .vd_pol = 1, - .fid_pol = 0, - }, }, { .name = TVP5147_CH1, @@ -617,15 +640,6 @@ static struct vpif_subdev_info vpif_capture_sdev_info[] = { I2C_BOARD_INFO("tvp5146", 0x5c), .platform_data = &tvp5146_pdata, }, - .input = INPUT_SVIDEO_VI2C_VI1C, - .output = OUTPUT_10BIT_422_EMBEDDED_SYNC, - .can_route = 1, - .vpif_if = { - .if_type = VPIF_IF_BT656, - .hd_pol = 1, - .vd_pol = 1, - .fid_pol = 0, - }, }, }; @@ -635,9 +649,12 @@ static const struct vpif_input dm6467_ch0_inputs[] = { .index = 0, .name = "Composite", .type = V4L2_INPUT_TYPE_CAMERA, + .capabilities = V4L2_IN_CAP_STD, .std = TVP514X_STD_ALL, }, .subdev_name = TVP5147_CH0, + .input_route = INPUT_CVBS_VI2B, + .output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC, }, }; @@ -647,9 +664,12 @@ static const struct vpif_input dm6467_ch1_inputs[] = { .index = 0, .name = "S-Video", .type = V4L2_INPUT_TYPE_CAMERA, + .capabilities = V4L2_IN_CAP_STD, .std = TVP514X_STD_ALL, }, .subdev_name = TVP5147_CH1, + .input_route = INPUT_SVIDEO_VI2C_VI1C, + .output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC, }, }; @@ -661,10 +681,22 @@ static struct vpif_capture_config dm646x_vpif_capture_cfg = { .chan_config[0] = { .inputs = dm6467_ch0_inputs, .input_count = ARRAY_SIZE(dm6467_ch0_inputs), + .vpif_if = { + .if_type = VPIF_IF_BT656, + .hd_pol = 1, + .vd_pol = 1, + .fid_pol = 0, + }, }, .chan_config[1] = { .inputs = dm6467_ch1_inputs, .input_count = ARRAY_SIZE(dm6467_ch1_inputs), + .vpif_if = { + .if_type = VPIF_IF_BT656, + .hd_pol = 1, + .vd_pol = 1, + .fid_pol = 0, + }, }, }; diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c index e517e1036b09..b90c172d5541 100644 --- a/arch/arm/mach-davinci/da850.c +++ b/arch/arm/mach-davinci/da850.c @@ -347,6 +347,13 @@ static struct clk spi1_clk = { .flags = DA850_CLK_ASYNC3, }; +static struct clk vpif_clk = { + .name = "vpif", + .parent = &pll0_sysclk2, + .lpsc = DA850_LPSC1_VPIF, + .gpsc = 1, +}; + static struct clk sata_clk = { .name = "sata", .parent = &pll0_sysclk2, @@ -397,6 +404,7 @@ static struct clk_lookup da850_clks[] = { CLK(NULL, "usb20", &usb20_clk), CLK("spi_davinci.0", NULL, &spi0_clk), CLK("spi_davinci.1", NULL, &spi1_clk), + CLK("vpif", NULL, &vpif_clk), CLK("ahci", NULL, &sata_clk), CLK(NULL, NULL, NULL), }; @@ -573,6 +581,46 @@ static const struct mux_config da850_pins[] = { MUX_CFG(DA850, GPIO6_10, 13, 20, 15, 8, false) MUX_CFG(DA850, GPIO6_13, 13, 8, 15, 8, false) MUX_CFG(DA850, RTC_ALARM, 0, 28, 15, 2, false) + /* VPIF Capture */ + MUX_CFG(DA850, VPIF_DIN0, 15, 4, 15, 1, false) + MUX_CFG(DA850, VPIF_DIN1, 15, 0, 15, 1, false) + MUX_CFG(DA850, VPIF_DIN2, 14, 28, 15, 1, false) + MUX_CFG(DA850, VPIF_DIN3, 14, 24, 15, 1, false) + MUX_CFG(DA850, VPIF_DIN4, 14, 20, 15, 1, false) + MUX_CFG(DA850, VPIF_DIN5, 14, 16, 15, 1, false) + MUX_CFG(DA850, VPIF_DIN6, 14, 12, 15, 1, false) + MUX_CFG(DA850, VPIF_DIN7, 14, 8, 15, 1, false) + MUX_CFG(DA850, VPIF_DIN8, 16, 4, 15, 1, false) + MUX_CFG(DA850, VPIF_DIN9, 16, 0, 15, 1, false) + MUX_CFG(DA850, VPIF_DIN10, 15, 28, 15, 1, false) + MUX_CFG(DA850, VPIF_DIN11, 15, 24, 15, 1, false) + MUX_CFG(DA850, VPIF_DIN12, 15, 20, 15, 1, false) + MUX_CFG(DA850, VPIF_DIN13, 15, 16, 15, 1, false) + MUX_CFG(DA850, VPIF_DIN14, 15, 12, 15, 1, false) + MUX_CFG(DA850, VPIF_DIN15, 15, 8, 15, 1, false) + MUX_CFG(DA850, VPIF_CLKIN0, 14, 0, 15, 1, false) + MUX_CFG(DA850, VPIF_CLKIN1, 14, 4, 15, 1, false) + MUX_CFG(DA850, VPIF_CLKIN2, 19, 8, 15, 1, false) + MUX_CFG(DA850, VPIF_CLKIN3, 19, 16, 15, 1, false) + /* VPIF Display */ + MUX_CFG(DA850, VPIF_DOUT0, 17, 4, 15, 1, false) + MUX_CFG(DA850, VPIF_DOUT1, 17, 0, 15, 1, false) + MUX_CFG(DA850, VPIF_DOUT2, 16, 28, 15, 1, false) + MUX_CFG(DA850, VPIF_DOUT3, 16, 24, 15, 1, false) + MUX_CFG(DA850, VPIF_DOUT4, 16, 20, 15, 1, false) + MUX_CFG(DA850, VPIF_DOUT5, 16, 16, 15, 1, false) + MUX_CFG(DA850, VPIF_DOUT6, 16, 12, 15, 1, false) + MUX_CFG(DA850, VPIF_DOUT7, 16, 8, 15, 1, false) + MUX_CFG(DA850, VPIF_DOUT8, 18, 4, 15, 1, false) + MUX_CFG(DA850, VPIF_DOUT9, 18, 0, 15, 1, false) + MUX_CFG(DA850, VPIF_DOUT10, 17, 28, 15, 1, false) + MUX_CFG(DA850, VPIF_DOUT11, 17, 24, 15, 1, false) + MUX_CFG(DA850, VPIF_DOUT12, 17, 20, 15, 1, false) + MUX_CFG(DA850, VPIF_DOUT13, 17, 16, 15, 1, false) + MUX_CFG(DA850, VPIF_DOUT14, 17, 12, 15, 1, false) + MUX_CFG(DA850, VPIF_DOUT15, 17, 8, 15, 1, false) + MUX_CFG(DA850, VPIF_CLKO2, 19, 12, 15, 1, false) + MUX_CFG(DA850, VPIF_CLKO3, 19, 20, 15, 1, false) #endif }; @@ -595,6 +643,26 @@ const short da850_lcdcntl_pins[] __initconst = { -1 }; +const short da850_vpif_capture_pins[] __initdata = { + DA850_VPIF_DIN0, DA850_VPIF_DIN1, DA850_VPIF_DIN2, DA850_VPIF_DIN3, + DA850_VPIF_DIN4, DA850_VPIF_DIN5, DA850_VPIF_DIN6, DA850_VPIF_DIN7, + DA850_VPIF_DIN8, DA850_VPIF_DIN9, DA850_VPIF_DIN10, DA850_VPIF_DIN11, + DA850_VPIF_DIN12, DA850_VPIF_DIN13, DA850_VPIF_DIN14, DA850_VPIF_DIN15, + DA850_VPIF_CLKIN0, DA850_VPIF_CLKIN1, DA850_VPIF_CLKIN2, + DA850_VPIF_CLKIN3, + -1 +}; + +const short da850_vpif_display_pins[] __initdata = { + DA850_VPIF_DOUT0, DA850_VPIF_DOUT1, DA850_VPIF_DOUT2, DA850_VPIF_DOUT3, + DA850_VPIF_DOUT4, DA850_VPIF_DOUT5, DA850_VPIF_DOUT6, DA850_VPIF_DOUT7, + DA850_VPIF_DOUT8, DA850_VPIF_DOUT9, DA850_VPIF_DOUT10, + DA850_VPIF_DOUT11, DA850_VPIF_DOUT12, DA850_VPIF_DOUT13, + DA850_VPIF_DOUT14, DA850_VPIF_DOUT15, DA850_VPIF_CLKO2, + DA850_VPIF_CLKO3, + -1 +}; + /* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */ static u8 da850_default_priorities[DA850_N_CP_INTC_IRQ] = { [IRQ_DA8XX_COMMTX] = 7, @@ -1064,6 +1132,90 @@ no_ddrpll_mem: return ret; } +/* VPIF resource, platform data */ +static u64 da850_vpif_dma_mask = DMA_BIT_MASK(32); + +static struct resource da850_vpif_resource[] = { + { + .start = DA8XX_VPIF_BASE, + .end = DA8XX_VPIF_BASE + 0xfff, + .flags = IORESOURCE_MEM, + } +}; + +static struct platform_device da850_vpif_dev = { + .name = "vpif", + .id = -1, + .dev = { + .dma_mask = &da850_vpif_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .resource = da850_vpif_resource, + .num_resources = ARRAY_SIZE(da850_vpif_resource), +}; + +static struct resource da850_vpif_display_resource[] = { + { + .start = IRQ_DA850_VPIFINT, + .end = IRQ_DA850_VPIFINT, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device da850_vpif_display_dev = { + .name = "vpif_display", + .id = -1, + .dev = { + .dma_mask = &da850_vpif_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .resource = da850_vpif_display_resource, + .num_resources = ARRAY_SIZE(da850_vpif_display_resource), +}; + +static struct resource da850_vpif_capture_resource[] = { + { + .start = IRQ_DA850_VPIFINT, + .end = IRQ_DA850_VPIFINT, + .flags = IORESOURCE_IRQ, + }, + { + .start = IRQ_DA850_VPIFINT, + .end = IRQ_DA850_VPIFINT, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device da850_vpif_capture_dev = { + .name = "vpif_capture", + .id = -1, + .dev = { + .dma_mask = &da850_vpif_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .resource = da850_vpif_capture_resource, + .num_resources = ARRAY_SIZE(da850_vpif_capture_resource), +}; + +int __init da850_register_vpif(void) +{ + return platform_device_register(&da850_vpif_dev); +} + +int __init da850_register_vpif_display(struct vpif_display_config + *display_config) +{ + da850_vpif_display_dev.dev.platform_data = display_config; + return platform_device_register(&da850_vpif_display_dev); +} + +int __init da850_register_vpif_capture(struct vpif_capture_config + *capture_config) +{ + da850_vpif_capture_dev.dev.platform_data = capture_config; + return platform_device_register(&da850_vpif_capture_dev); +} + static struct davinci_soc_info davinci_soc_info_da850 = { .io_desc = da850_io_desc, .io_desc_num = ARRAY_SIZE(da850_io_desc), diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c index 0755d466221a..cd0c8b1e1ecf 100644 --- a/arch/arm/mach-davinci/dm644x.c +++ b/arch/arm/mach-davinci/dm644x.c @@ -701,7 +701,7 @@ static struct resource dm644x_venc_resources[] = { #define DM644X_VPSS_DACCLKEN BIT(4) static int dm644x_venc_setup_clock(enum vpbe_enc_timings_type type, - unsigned int mode) + unsigned int pclock) { int ret = 0; u32 v = DM644X_VPSS_VENCLKEN; @@ -711,27 +711,18 @@ static int dm644x_venc_setup_clock(enum vpbe_enc_timings_type type, v |= DM644X_VPSS_DACCLKEN; writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL)); break; - case VPBE_ENC_DV_PRESET: - switch (mode) { - case V4L2_DV_480P59_94: - case V4L2_DV_576P50: + case VPBE_ENC_CUSTOM_TIMINGS: + if (pclock <= 27000000) { v |= DM644X_VPSS_MUXSEL_PLL2_MODE | DM644X_VPSS_DACCLKEN; writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL)); - break; - case V4L2_DV_720P60: - case V4L2_DV_1080I60: - case V4L2_DV_1080P30: + } else { /* * For HD, use external clock source since * HD requires higher clock rate */ v |= DM644X_VPSS_MUXSEL_VPBECLK_MODE; writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL)); - break; - default: - ret = -EINVAL; - break; } break; default: diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h index c9ee723c56f3..aaccdc4528fc 100644 --- a/arch/arm/mach-davinci/include/mach/da8xx.h +++ b/arch/arm/mach-davinci/include/mach/da8xx.h @@ -17,6 +17,7 @@ #include <linux/davinci_emac.h> #include <linux/spi/spi.h> #include <linux/platform_data/davinci_asp.h> +#include <linux/videodev2.h> #include <mach/serial.h> #include <mach/edma.h> @@ -26,6 +27,8 @@ #include <linux/platform_data/usb-davinci.h> #include <linux/platform_data/spi-davinci.h> +#include <media/davinci/vpif_types.h> + extern void __iomem *da8xx_syscfg0_base; extern void __iomem *da8xx_syscfg1_base; @@ -63,6 +66,7 @@ extern unsigned int da850_max_speed; #define DA8XX_PLL0_BASE 0x01c11000 #define DA8XX_TIMER64P0_BASE 0x01c20000 #define DA8XX_TIMER64P1_BASE 0x01c21000 +#define DA8XX_VPIF_BASE 0x01e17000 #define DA8XX_GPIO_BASE 0x01e26000 #define DA8XX_PSC1_BASE 0x01e27000 #define DA8XX_AEMIF_CS2_BASE 0x60000000 @@ -92,6 +96,11 @@ int da8xx_register_cpuidle(void); void __iomem * __init da8xx_get_mem_ctlr(void); int da850_register_pm(struct platform_device *pdev); int __init da850_register_sata(unsigned long refclkpn); +int __init da850_register_vpif(void); +int __init da850_register_vpif_display + (struct vpif_display_config *display_config); +int __init da850_register_vpif_capture + (struct vpif_capture_config *capture_config); void da8xx_restart(char mode, const char *cmd); extern struct platform_device da8xx_serial_device; @@ -126,6 +135,8 @@ extern const short da830_ecap1_pins[]; extern const short da830_ecap2_pins[]; extern const short da830_eqep0_pins[]; extern const short da830_eqep1_pins[]; +extern const short da850_vpif_capture_pins[]; +extern const short da850_vpif_display_pins[]; extern const short da850_i2c0_pins[]; extern const short da850_i2c1_pins[]; diff --git a/arch/arm/mach-davinci/include/mach/mux.h b/arch/arm/mach-davinci/include/mach/mux.h index a7e92fca32e6..9e95b8a1edb6 100644 --- a/arch/arm/mach-davinci/include/mach/mux.h +++ b/arch/arm/mach-davinci/include/mach/mux.h @@ -928,6 +928,48 @@ enum davinci_da850_index { DA850_GPIO6_10, DA850_GPIO6_13, DA850_RTC_ALARM, + + /* VPIF Capture */ + DA850_VPIF_DIN0, + DA850_VPIF_DIN1, + DA850_VPIF_DIN2, + DA850_VPIF_DIN3, + DA850_VPIF_DIN4, + DA850_VPIF_DIN5, + DA850_VPIF_DIN6, + DA850_VPIF_DIN7, + DA850_VPIF_DIN8, + DA850_VPIF_DIN9, + DA850_VPIF_DIN10, + DA850_VPIF_DIN11, + DA850_VPIF_DIN12, + DA850_VPIF_DIN13, + DA850_VPIF_DIN14, + DA850_VPIF_DIN15, + DA850_VPIF_CLKIN0, + DA850_VPIF_CLKIN1, + DA850_VPIF_CLKIN2, + DA850_VPIF_CLKIN3, + + /* VPIF Display */ + DA850_VPIF_DOUT0, + DA850_VPIF_DOUT1, + DA850_VPIF_DOUT2, + DA850_VPIF_DOUT3, + DA850_VPIF_DOUT4, + DA850_VPIF_DOUT5, + DA850_VPIF_DOUT6, + DA850_VPIF_DOUT7, + DA850_VPIF_DOUT8, + DA850_VPIF_DOUT9, + DA850_VPIF_DOUT10, + DA850_VPIF_DOUT11, + DA850_VPIF_DOUT12, + DA850_VPIF_DOUT13, + DA850_VPIF_DOUT14, + DA850_VPIF_DOUT15, + DA850_VPIF_CLKO2, + DA850_VPIF_CLKO3, }; enum davinci_tnetv107x_index { diff --git a/arch/arm/mach-davinci/include/mach/psc.h b/arch/arm/mach-davinci/include/mach/psc.h index 405318e35bf6..40a0027838e8 100644 --- a/arch/arm/mach-davinci/include/mach/psc.h +++ b/arch/arm/mach-davinci/include/mach/psc.h @@ -166,6 +166,7 @@ #define DA830_LPSC1_McASP1 8 #define DA850_LPSC1_SATA 8 #define DA830_LPSC1_McASP2 9 +#define DA850_LPSC1_VPIF 9 #define DA8XX_LPSC1_SPI1 10 #define DA8XX_LPSC1_I2C 11 #define DA8XX_LPSC1_UART1 12 diff --git a/arch/arm/mach-exynos/mach-nuri.c b/arch/arm/mach-exynos/mach-nuri.c index 480cd78f1920..c05d7aa84031 100644 --- a/arch/arm/mach-exynos/mach-nuri.c +++ b/arch/arm/mach-exynos/mach-nuri.c @@ -29,6 +29,7 @@ #include <drm/exynos_drm.h> #include <video/platform_lcd.h> +#include <video/samsung_fimd.h> #include <media/m5mols.h> #include <media/s5k6aa.h> #include <media/s5p_fimc.h> @@ -39,7 +40,6 @@ #include <asm/mach-types.h> #include <plat/adc.h> -#include <plat/regs-fb-v4.h> #include <plat/regs-serial.h> #include <plat/cpu.h> #include <plat/devs.h> @@ -378,10 +378,10 @@ static struct regulator_consumer_supply __initdata max8997_ldo1_[] = { }; static struct regulator_consumer_supply __initdata max8997_ldo3_[] = { REGULATOR_SUPPLY("vusb_d", "s3c-hsotg"), /* USB */ - REGULATOR_SUPPLY("vdd11", "s5p-mipi-csis.0"), /* MIPI */ + REGULATOR_SUPPLY("vddcore", "s5p-mipi-csis.0"), /* MIPI */ }; static struct regulator_consumer_supply __initdata max8997_ldo4_[] = { - REGULATOR_SUPPLY("vdd18", "s5p-mipi-csis.0"), /* MIPI */ + REGULATOR_SUPPLY("vddio", "s5p-mipi-csis.0"), /* MIPI */ }; static struct regulator_consumer_supply __initdata max8997_ldo5_[] = { REGULATOR_SUPPLY("vhsic", "modemctl"), /* MODEM */ @@ -1180,9 +1180,7 @@ static struct platform_device cam_8m_12v_fixed_rdev = { static struct s5p_platform_mipi_csis mipi_csis_platdata = { .clk_rate = 166000000UL, .lanes = 2, - .alignment = 32, .hs_settle = 12, - .phy_enable = s5p_csis_phy_enable, }; #define GPIO_CAM_MEGA_RST EXYNOS4_GPY3(7) /* ISP_RESET */ @@ -1226,7 +1224,6 @@ static struct s5p_fimc_isp_info nuri_camera_sensors[] = { .bus_type = FIMC_MIPI_CSI2, .board_info = &m5mols_board_info, .clk_frequency = 24000000UL, - .csi_data_align = 32, }, }; diff --git a/arch/arm/mach-exynos/mach-origen.c b/arch/arm/mach-exynos/mach-origen.c index 67b50bb89c0f..9adf491674ea 100644 --- a/arch/arm/mach-exynos/mach-origen.c +++ b/arch/arm/mach-exynos/mach-origen.c @@ -30,9 +30,9 @@ #include <asm/mach-types.h> #include <video/platform_lcd.h> +#include <video/samsung_fimd.h> #include <plat/regs-serial.h> -#include <plat/regs-fb-v4.h> #include <plat/cpu.h> #include <plat/devs.h> #include <plat/sdhci.h> @@ -97,12 +97,12 @@ static struct s3c2410_uartcfg origen_uartcfgs[] __initdata = { }; static struct regulator_consumer_supply __initdata ldo3_consumer[] = { - REGULATOR_SUPPLY("vdd11", "s5p-mipi-csis.0"), /* MIPI */ + REGULATOR_SUPPLY("vddcore", "s5p-mipi-csis.0"), /* MIPI */ REGULATOR_SUPPLY("vdd", "exynos4-hdmi"), /* HDMI */ REGULATOR_SUPPLY("vdd_pll", "exynos4-hdmi"), /* HDMI */ }; static struct regulator_consumer_supply __initdata ldo6_consumer[] = { - REGULATOR_SUPPLY("vdd18", "s5p-mipi-csis.0"), /* MIPI */ + REGULATOR_SUPPLY("vddio", "s5p-mipi-csis.0"), /* MIPI */ }; static struct regulator_consumer_supply __initdata ldo7_consumer[] = { REGULATOR_SUPPLY("avdd", "alc5625"), /* Realtek ALC5625 */ diff --git a/arch/arm/mach-exynos/mach-smdk4x12.c b/arch/arm/mach-exynos/mach-smdk4x12.c index 7a265d1a82d3..730f1ac65928 100644 --- a/arch/arm/mach-exynos/mach-smdk4x12.c +++ b/arch/arm/mach-exynos/mach-smdk4x12.c @@ -27,6 +27,7 @@ #include <asm/hardware/gic.h> #include <asm/mach-types.h> +#include <video/samsung_fimd.h> #include <plat/backlight.h> #include <plat/clock.h> #include <plat/cpu.h> @@ -36,7 +37,6 @@ #include <linux/platform_data/i2c-s3c2410.h> #include <plat/keypad.h> #include <plat/mfc.h> -#include <plat/regs-fb.h> #include <plat/regs-serial.h> #include <plat/sdhci.h> diff --git a/arch/arm/mach-exynos/mach-smdkv310.c b/arch/arm/mach-exynos/mach-smdkv310.c index c15d2238ceb0..ee4fb1a9cb72 100644 --- a/arch/arm/mach-exynos/mach-smdkv310.c +++ b/arch/arm/mach-exynos/mach-smdkv310.c @@ -27,9 +27,9 @@ #include <asm/mach-types.h> #include <video/platform_lcd.h> +#include <video/samsung_fimd.h> #include <plat/regs-serial.h> #include <plat/regs-srom.h> -#include <plat/regs-fb-v4.h> #include <plat/cpu.h> #include <plat/devs.h> #include <plat/fb.h> diff --git a/arch/arm/mach-exynos/mach-universal_c210.c b/arch/arm/mach-exynos/mach-universal_c210.c index 98d3aced2289..ebc9dd339a38 100644 --- a/arch/arm/mach-exynos/mach-universal_c210.c +++ b/arch/arm/mach-exynos/mach-universal_c210.c @@ -30,6 +30,7 @@ #include <asm/hardware/gic.h> #include <asm/mach-types.h> +#include <video/samsung_fimd.h> #include <plat/regs-serial.h> #include <plat/clock.h> #include <plat/cpu.h> @@ -39,7 +40,6 @@ #include <plat/fb.h> #include <plat/mfc.h> #include <plat/sdhci.h> -#include <plat/regs-fb-v4.h> #include <plat/fimc-core.h> #include <plat/s5p-time.h> #include <plat/camport.h> @@ -209,7 +209,7 @@ static struct regulator_consumer_supply lp3974_ldo3_consumer[] = { REGULATOR_SUPPLY("vusb_a", "s3c-hsotg"), REGULATOR_SUPPLY("vdd", "exynos4-hdmi"), REGULATOR_SUPPLY("vdd_pll", "exynos4-hdmi"), - REGULATOR_SUPPLY("vdd11", "s5p-mipi-csis.0"), + REGULATOR_SUPPLY("vddcore", "s5p-mipi-csis.0"), }; static struct regulator_init_data lp3974_ldo3_data = { @@ -273,7 +273,7 @@ static struct regulator_init_data lp3974_ldo6_data = { }; static struct regulator_consumer_supply lp3974_ldo7_consumer[] = { - REGULATOR_SUPPLY("vdd18", "s5p-mipi-csis.0"), + REGULATOR_SUPPLY("vddio", "s5p-mipi-csis.0"), }; static struct regulator_init_data lp3974_ldo7_data = { @@ -942,9 +942,7 @@ static struct platform_device cam_s_if_fixed_reg_dev = { static struct s5p_platform_mipi_csis mipi_csis_platdata = { .clk_rate = 166000000UL, .lanes = 2, - .alignment = 32, .hs_settle = 12, - .phy_enable = s5p_csis_phy_enable, }; #define GPIO_CAM_LEVEL_EN(n) EXYNOS4_GPE4(n + 3) @@ -1008,7 +1006,6 @@ static struct s5p_fimc_isp_info universal_camera_sensors[] = { .board_info = &m5mols_board_info, .i2c_bus_num = 0, .clk_frequency = 24000000UL, - .csi_data_align = 32, }, }; diff --git a/arch/arm/mach-exynos/setup-fimd0.c b/arch/arm/mach-exynos/setup-fimd0.c index 07a6dbeecdd0..5665bb4e980b 100644 --- a/arch/arm/mach-exynos/setup-fimd0.c +++ b/arch/arm/mach-exynos/setup-fimd0.c @@ -13,8 +13,8 @@ #include <linux/fb.h> #include <linux/gpio.h> +#include <video/samsung_fimd.h> #include <plat/gpio-cfg.h> -#include <plat/regs-fb-v4.h> #include <mach/map.h> diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c index 5ff28afbefe7..3669c120c7e8 100644 --- a/arch/arm/mach-omap2/board-4430sdp.c +++ b/arch/arm/mach-omap2/board-4430sdp.c @@ -607,29 +607,6 @@ static void __init omap_sfh7741prox_init(void) __func__, OMAP4_SFH7741_ENABLE_GPIO, error); } -static struct gpio sdp4430_hdmi_gpios[] = { - { HDMI_GPIO_CT_CP_HPD, GPIOF_OUT_INIT_HIGH, "hdmi_gpio_ct_cp_hpd" }, - { HDMI_GPIO_LS_OE, GPIOF_OUT_INIT_HIGH, "hdmi_gpio_ls_oe" }, - { HDMI_GPIO_HPD, GPIOF_DIR_IN, "hdmi_gpio_hpd" }, -}; - -static int sdp4430_panel_enable_hdmi(struct omap_dss_device *dssdev) -{ - int status; - - status = gpio_request_array(sdp4430_hdmi_gpios, - ARRAY_SIZE(sdp4430_hdmi_gpios)); - if (status) - pr_err("%s: Cannot request HDMI GPIOs\n", __func__); - - return status; -} - -static void sdp4430_panel_disable_hdmi(struct omap_dss_device *dssdev) -{ - gpio_free_array(sdp4430_hdmi_gpios, ARRAY_SIZE(sdp4430_hdmi_gpios)); -} - static struct nokia_dsi_panel_data dsi1_panel = { .name = "taal", .reset_gpio = 102, @@ -650,29 +627,6 @@ static struct omap_dss_device sdp4430_lcd_device = { .phy.dsi = { .module = 0, }, - - .clocks = { - .dispc = { - .channel = { - /* Logic Clock = 172.8 MHz */ - .lck_div = 1, - /* Pixel Clock = 34.56 MHz */ - .pck_div = 5, - .lcd_clk_src = OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC, - }, - .dispc_fclk_src = OMAP_DSS_CLK_SRC_FCK, - }, - - .dsi = { - .regn = 16, /* Fint = 2.4 MHz */ - .regm = 180, /* DDR Clock = 216 MHz */ - .regm_dispc = 5, /* PLL1_CLK1 = 172.8 MHz */ - .regm_dsi = 5, /* PLL1_CLK2 = 172.8 MHz */ - - .lp_clk_div = 10, /* LP Clock = 8.64 MHz */ - .dsi_fclk_src = OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI, - }, - }, .channel = OMAP_DSS_CHANNEL_LCD, }; @@ -697,33 +651,12 @@ static struct omap_dss_device sdp4430_lcd2_device = { .module = 1, }, - - .clocks = { - .dispc = { - .channel = { - /* Logic Clock = 172.8 MHz */ - .lck_div = 1, - /* Pixel Clock = 34.56 MHz */ - .pck_div = 5, - .lcd_clk_src = OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC, - }, - .dispc_fclk_src = OMAP_DSS_CLK_SRC_FCK, - }, - - .dsi = { - .regn = 16, /* Fint = 2.4 MHz */ - .regm = 180, /* DDR Clock = 216 MHz */ - .regm_dispc = 5, /* PLL1_CLK1 = 172.8 MHz */ - .regm_dsi = 5, /* PLL1_CLK2 = 172.8 MHz */ - - .lp_clk_div = 10, /* LP Clock = 8.64 MHz */ - .dsi_fclk_src = OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DSI, - }, - }, .channel = OMAP_DSS_CHANNEL_LCD2, }; static struct omap_dss_hdmi_data sdp4430_hdmi_data = { + .ct_cp_hpd_gpio = HDMI_GPIO_CT_CP_HPD, + .ls_oe_gpio = HDMI_GPIO_LS_OE, .hpd_gpio = HDMI_GPIO_HPD, }; @@ -731,8 +664,6 @@ static struct omap_dss_device sdp4430_hdmi_device = { .name = "hdmi", .driver_name = "hdmi_panel", .type = OMAP_DISPLAY_TYPE_HDMI, - .platform_enable = sdp4430_panel_enable_hdmi, - .platform_disable = sdp4430_panel_disable_hdmi, .channel = OMAP_DSS_CHANNEL_DIGIT, .data = &sdp4430_hdmi_data, }; diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c index f62b903f3ea1..bfcd397e233c 100644 --- a/arch/arm/mach-omap2/board-omap4panda.c +++ b/arch/arm/mach-omap2/board-omap4panda.c @@ -428,30 +428,9 @@ static struct omap_dss_device omap4_panda_dvi_device = { .channel = OMAP_DSS_CHANNEL_LCD2, }; -static struct gpio panda_hdmi_gpios[] = { - { HDMI_GPIO_CT_CP_HPD, GPIOF_OUT_INIT_HIGH, "hdmi_gpio_ct_cp_hpd" }, - { HDMI_GPIO_LS_OE, GPIOF_OUT_INIT_HIGH, "hdmi_gpio_ls_oe" }, - { HDMI_GPIO_HPD, GPIOF_DIR_IN, "hdmi_gpio_hpd" }, -}; - -static int omap4_panda_panel_enable_hdmi(struct omap_dss_device *dssdev) -{ - int status; - - status = gpio_request_array(panda_hdmi_gpios, - ARRAY_SIZE(panda_hdmi_gpios)); - if (status) - pr_err("Cannot request HDMI GPIOs\n"); - - return status; -} - -static void omap4_panda_panel_disable_hdmi(struct omap_dss_device *dssdev) -{ - gpio_free_array(panda_hdmi_gpios, ARRAY_SIZE(panda_hdmi_gpios)); -} - static struct omap_dss_hdmi_data omap4_panda_hdmi_data = { + .ct_cp_hpd_gpio = HDMI_GPIO_CT_CP_HPD, + .ls_oe_gpio = HDMI_GPIO_LS_OE, .hpd_gpio = HDMI_GPIO_HPD, }; @@ -459,8 +438,6 @@ static struct omap_dss_device omap4_panda_hdmi_device = { .name = "hdmi", .driver_name = "hdmi_panel", .type = OMAP_DISPLAY_TYPE_HDMI, - .platform_enable = omap4_panda_panel_enable_hdmi, - .platform_disable = omap4_panda_panel_disable_hdmi, .channel = OMAP_DSS_CHANNEL_DIGIT, .data = &omap4_panda_hdmi_data, }; diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c index a51ece491b91..1011995f150a 100644 --- a/arch/arm/mach-omap2/display.c +++ b/arch/arm/mach-omap2/display.c @@ -95,7 +95,6 @@ static const struct omap_dss_hwmod_data omap4_dss_hwmod_data[] __initconst = { { "dss_core", "omapdss_dss", -1 }, { "dss_dispc", "omapdss_dispc", -1 }, { "dss_rfbi", "omapdss_rfbi", -1 }, - { "dss_venc", "omapdss_venc", -1 }, { "dss_dsi1", "omapdss_dsi", 0 }, { "dss_dsi2", "omapdss_dsi", 1 }, { "dss_hdmi", "omapdss_hdmi", -1 }, diff --git a/arch/arm/mach-omap2/twl-common.c b/arch/arm/mach-omap2/twl-common.c index d83ae4540b9b..635e109f5ad3 100644 --- a/arch/arm/mach-omap2/twl-common.c +++ b/arch/arm/mach-omap2/twl-common.c @@ -239,6 +239,10 @@ void __init omap3_pmic_get_config(struct twl4030_platform_data *pmic_data, static struct twl4030_usb_data omap4_usb_pdata = { }; +static struct regulator_consumer_supply omap4_vdda_hdmi_dac_supplies[] = { + REGULATOR_SUPPLY("vdda_hdmi_dac", "omapdss_hdmi"), +}; + static struct regulator_init_data omap4_vdac_idata = { .constraints = { .min_uV = 1800000, @@ -248,6 +252,8 @@ static struct regulator_init_data omap4_vdac_idata = { .valid_ops_mask = REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, }, + .num_consumer_supplies = ARRAY_SIZE(omap4_vdda_hdmi_dac_supplies), + .consumer_supplies = omap4_vdda_hdmi_dac_supplies, .supply_regulator = "V2V1", }; diff --git a/arch/arm/mach-s3c24xx/mach-smdk2416.c b/arch/arm/mach-s3c24xx/mach-smdk2416.c index db2787aa1e5e..f30d7fccbfee 100644 --- a/arch/arm/mach-s3c24xx/mach-smdk2416.c +++ b/arch/arm/mach-s3c24xx/mach-smdk2416.c @@ -29,6 +29,7 @@ #include <asm/mach/map.h> #include <asm/mach/irq.h> +#include <video/samsung_fimd.h> #include <mach/hardware.h> #include <asm/irq.h> #include <asm/mach-types.h> @@ -52,7 +53,6 @@ #include <linux/platform_data/usb-s3c2410_udc.h> #include <linux/platform_data/s3c-hsudc.h> -#include <plat/regs-fb-v4.h> #include <plat/fb.h> #include <plat/common-smdk.h> diff --git a/arch/arm/mach-s3c64xx/mach-anw6410.c b/arch/arm/mach-s3c64xx/mach-anw6410.c index 15c58dfc4584..99e82ac81b69 100644 --- a/arch/arm/mach-s3c64xx/mach-anw6410.c +++ b/arch/arm/mach-s3c64xx/mach-anw6410.c @@ -29,6 +29,7 @@ #include <linux/dm9000.h> #include <video/platform_lcd.h> +#include <video/samsung_fimd.h> #include <asm/hardware/vic.h> #include <asm/mach/arch.h> @@ -44,7 +45,6 @@ #include <plat/regs-serial.h> #include <linux/platform_data/i2c-s3c2410.h> #include <plat/fb.h> -#include <plat/regs-fb-v4.h> #include <plat/clock.h> #include <plat/devs.h> diff --git a/arch/arm/mach-s3c64xx/mach-crag6410.c b/arch/arm/mach-s3c64xx/mach-crag6410.c index 8b4d46706645..13b7eaa45fd0 100644 --- a/arch/arm/mach-s3c64xx/mach-crag6410.c +++ b/arch/arm/mach-s3c64xx/mach-crag6410.c @@ -46,6 +46,7 @@ #include <asm/mach/arch.h> #include <asm/mach-types.h> +#include <video/samsung_fimd.h> #include <mach/hardware.h> #include <mach/map.h> @@ -57,7 +58,6 @@ #include <mach/regs-gpio-memport.h> #include <plat/regs-serial.h> -#include <plat/regs-fb-v4.h> #include <plat/fb.h> #include <plat/sdhci.h> #include <plat/gpio-cfg.h> diff --git a/arch/arm/mach-s3c64xx/mach-hmt.c b/arch/arm/mach-s3c64xx/mach-hmt.c index 02222b32b7d3..2b144893ddc4 100644 --- a/arch/arm/mach-s3c64xx/mach-hmt.c +++ b/arch/arm/mach-s3c64xx/mach-hmt.c @@ -26,6 +26,7 @@ #include <asm/mach/map.h> #include <asm/mach/irq.h> +#include <video/samsung_fimd.h> #include <mach/hardware.h> #include <mach/map.h> @@ -41,7 +42,6 @@ #include <plat/clock.h> #include <plat/devs.h> #include <plat/cpu.h> -#include <plat/regs-fb-v4.h> #include "common.h" diff --git a/arch/arm/mach-s3c64xx/mach-mini6410.c b/arch/arm/mach-s3c64xx/mach-mini6410.c index 09311cc40115..07c349cca333 100644 --- a/arch/arm/mach-s3c64xx/mach-mini6410.c +++ b/arch/arm/mach-s3c64xx/mach-mini6410.c @@ -41,9 +41,9 @@ #include <linux/platform_data/mtd-nand-s3c2410.h> #include <plat/regs-serial.h> #include <linux/platform_data/touchscreen-s3c2410.h> -#include <plat/regs-fb-v4.h> #include <video/platform_lcd.h> +#include <video/samsung_fimd.h> #include "common.h" diff --git a/arch/arm/mach-s3c64xx/mach-ncp.c b/arch/arm/mach-s3c64xx/mach-ncp.c index 46ee88d16815..e5f9a79b535d 100644 --- a/arch/arm/mach-s3c64xx/mach-ncp.c +++ b/arch/arm/mach-s3c64xx/mach-ncp.c @@ -24,6 +24,7 @@ #include <linux/delay.h> #include <video/platform_lcd.h> +#include <video/samsung_fimd.h> #include <asm/hardware/vic.h> #include <asm/mach/arch.h> @@ -43,7 +44,6 @@ #include <plat/clock.h> #include <plat/devs.h> #include <plat/cpu.h> -#include <plat/regs-fb-v4.h> #include "common.h" diff --git a/arch/arm/mach-s3c64xx/mach-real6410.c b/arch/arm/mach-s3c64xx/mach-real6410.c index 6daca203e72b..7476f7c722ab 100644 --- a/arch/arm/mach-s3c64xx/mach-real6410.c +++ b/arch/arm/mach-s3c64xx/mach-real6410.c @@ -42,9 +42,9 @@ #include <linux/platform_data/mtd-nand-s3c2410.h> #include <plat/regs-serial.h> #include <linux/platform_data/touchscreen-s3c2410.h> -#include <plat/regs-fb-v4.h> #include <video/platform_lcd.h> +#include <video/samsung_fimd.h> #include "common.h" diff --git a/arch/arm/mach-s3c64xx/mach-smartq5.c b/arch/arm/mach-s3c64xx/mach-smartq5.c index d6266d8b43c9..96d6da2b6b5f 100644 --- a/arch/arm/mach-s3c64xx/mach-smartq5.c +++ b/arch/arm/mach-s3c64xx/mach-smartq5.c @@ -21,6 +21,7 @@ #include <asm/mach-types.h> #include <asm/mach/arch.h> +#include <video/samsung_fimd.h> #include <mach/map.h> #include <mach/regs-gpio.h> @@ -28,7 +29,6 @@ #include <plat/devs.h> #include <plat/fb.h> #include <plat/gpio-cfg.h> -#include <plat/regs-fb-v4.h> #include "common.h" #include "mach-smartq.h" diff --git a/arch/arm/mach-s3c64xx/mach-smartq7.c b/arch/arm/mach-s3c64xx/mach-smartq7.c index 0957d2a980e1..7d1167bdc921 100644 --- a/arch/arm/mach-s3c64xx/mach-smartq7.c +++ b/arch/arm/mach-s3c64xx/mach-smartq7.c @@ -21,6 +21,7 @@ #include <asm/mach-types.h> #include <asm/mach/arch.h> +#include <video/samsung_fimd.h> #include <mach/map.h> #include <mach/regs-gpio.h> @@ -28,7 +29,6 @@ #include <plat/devs.h> #include <plat/fb.h> #include <plat/gpio-cfg.h> -#include <plat/regs-fb-v4.h> #include "common.h" #include "mach-smartq.h" diff --git a/arch/arm/mach-s3c64xx/mach-smdk6410.c b/arch/arm/mach-s3c64xx/mach-smdk6410.c index 2547a8846472..da1a771a29e9 100644 --- a/arch/arm/mach-s3c64xx/mach-smdk6410.c +++ b/arch/arm/mach-s3c64xx/mach-smdk6410.c @@ -43,6 +43,7 @@ #endif #include <video/platform_lcd.h> +#include <video/samsung_fimd.h> #include <asm/hardware/vic.h> #include <asm/mach/arch.h> @@ -72,7 +73,6 @@ #include <linux/platform_data/touchscreen-s3c2410.h> #include <plat/keypad.h> #include <plat/backlight.h> -#include <plat/regs-fb-v4.h> #include "common.h" diff --git a/arch/arm/mach-s5p64x0/mach-smdk6440.c b/arch/arm/mach-s5p64x0/mach-smdk6440.c index dea78a848244..96ea1fe0ec94 100644 --- a/arch/arm/mach-s5p64x0/mach-smdk6440.c +++ b/arch/arm/mach-s5p64x0/mach-smdk6440.c @@ -27,6 +27,7 @@ #include <linux/mmc/host.h> #include <video/platform_lcd.h> +#include <video/samsung_fimd.h> #include <asm/hardware/vic.h> #include <asm/mach/arch.h> @@ -52,7 +53,6 @@ #include <plat/s5p-time.h> #include <plat/backlight.h> #include <plat/fb.h> -#include <plat/regs-fb.h> #include <plat/sdhci.h> #include "common.h" diff --git a/arch/arm/mach-s5p64x0/mach-smdk6450.c b/arch/arm/mach-s5p64x0/mach-smdk6450.c index 6f14fc729b8f..12748b6eaa7b 100644 --- a/arch/arm/mach-s5p64x0/mach-smdk6450.c +++ b/arch/arm/mach-s5p64x0/mach-smdk6450.c @@ -27,6 +27,7 @@ #include <linux/mmc/host.h> #include <video/platform_lcd.h> +#include <video/samsung_fimd.h> #include <asm/hardware/vic.h> #include <asm/mach/arch.h> @@ -52,7 +53,6 @@ #include <plat/s5p-time.h> #include <plat/backlight.h> #include <plat/fb.h> -#include <plat/regs-fb.h> #include <plat/sdhci.h> #include "common.h" diff --git a/arch/arm/mach-s5pc100/mach-smdkc100.c b/arch/arm/mach-s5pc100/mach-smdkc100.c index 5d2c0934928b..dba7384a87bd 100644 --- a/arch/arm/mach-s5pc100/mach-smdkc100.c +++ b/arch/arm/mach-s5pc100/mach-smdkc100.c @@ -33,6 +33,7 @@ #include <mach/regs-gpio.h> #include <video/platform_lcd.h> +#include <video/samsung_fimd.h> #include <asm/irq.h> #include <asm/mach-types.h> @@ -51,7 +52,6 @@ #include <linux/platform_data/touchscreen-s3c2410.h> #include <linux/platform_data/asoc-s3c.h> #include <plat/backlight.h> -#include <plat/regs-fb-v4.h> #include "common.h" diff --git a/arch/arm/mach-s5pv210/mach-aquila.c b/arch/arm/mach-s5pv210/mach-aquila.c index 78028df86c5d..ee9fa5c2ef2c 100644 --- a/arch/arm/mach-s5pv210/mach-aquila.c +++ b/arch/arm/mach-s5pv210/mach-aquila.c @@ -28,6 +28,7 @@ #include <asm/setup.h> #include <asm/mach-types.h> +#include <video/samsung_fimd.h> #include <mach/map.h> #include <mach/regs-clock.h> @@ -39,7 +40,6 @@ #include <plat/fimc-core.h> #include <plat/sdhci.h> #include <plat/s5p-time.h> -#include <plat/regs-fb-v4.h> #include "common.h" diff --git a/arch/arm/mach-s5pv210/mach-goni.c b/arch/arm/mach-s5pv210/mach-goni.c index 00f1e47d490a..55e1dba4ffde 100644 --- a/arch/arm/mach-s5pv210/mach-goni.c +++ b/arch/arm/mach-s5pv210/mach-goni.c @@ -35,6 +35,7 @@ #include <asm/setup.h> #include <asm/mach-types.h> +#include <video/samsung_fimd.h> #include <mach/map.h> #include <mach/regs-clock.h> @@ -49,7 +50,6 @@ #include <plat/clock.h> #include <plat/s5p-time.h> #include <plat/mfc.h> -#include <plat/regs-fb-v4.h> #include <plat/camport.h> #include <media/v4l2-mediabus.h> diff --git a/arch/arm/mach-s5pv210/mach-smdkv210.c b/arch/arm/mach-s5pv210/mach-smdkv210.c index 7d6fab420508..4cdb5bb7bbcf 100644 --- a/arch/arm/mach-s5pv210/mach-smdkv210.c +++ b/arch/arm/mach-s5pv210/mach-smdkv210.c @@ -28,6 +28,7 @@ #include <asm/mach-types.h> #include <video/platform_lcd.h> +#include <video/samsung_fimd.h> #include <mach/map.h> #include <mach/regs-clock.h> @@ -46,7 +47,6 @@ #include <plat/fb.h> #include <plat/s5p-time.h> #include <plat/backlight.h> -#include <plat/regs-fb-v4.h> #include <plat/mfc.h> #include <plat/clock.h> diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index 101b9681c08c..c9a4963b5c3d 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -624,6 +624,23 @@ config ARM_THUMBEE Say Y here if you have a CPU with the ThumbEE extension and code to make use of it. Say N for code that can run on CPUs without ThumbEE. +config ARM_VIRT_EXT + bool "Native support for the ARM Virtualization Extensions" + depends on MMU && CPU_V7 + help + Enable the kernel to make use of the ARM Virtualization + Extensions to install hypervisors without run-time firmware + assistance. + + A compliant bootloader is required in order to make maximum + use of this feature. Refer to Documentation/arm/Booting for + details. + + It is safe to enable this option even if the kernel may not be + booted in HYP mode, may not have support for the + virtualization extensions, or may be booted with a + non-compliant bootloader. + config SWP_EMULATE bool "Emulate SWP/SWPB instructions" depends on !CPU_USE_DOMAINS && CPU_V7 diff --git a/arch/arm/mm/cache-fa.S b/arch/arm/mm/cache-fa.S index 072016371093..e505befe51b5 100644 --- a/arch/arm/mm/cache-fa.S +++ b/arch/arm/mm/cache-fa.S @@ -240,6 +240,9 @@ ENTRY(fa_dma_unmap_area) mov pc, lr ENDPROC(fa_dma_unmap_area) + .globl fa_flush_kern_cache_louis + .equ fa_flush_kern_cache_louis, fa_flush_kern_cache_all + __INITDATA @ define struct cpu_cache_fns (see <asm/cacheflush.h> and proc-macros.S) diff --git a/arch/arm/mm/cache-v3.S b/arch/arm/mm/cache-v3.S index 52e35f32eefb..8a3fadece8d3 100644 --- a/arch/arm/mm/cache-v3.S +++ b/arch/arm/mm/cache-v3.S @@ -128,6 +128,9 @@ ENTRY(v3_dma_map_area) ENDPROC(v3_dma_unmap_area) ENDPROC(v3_dma_map_area) + .globl v3_flush_kern_cache_louis + .equ v3_flush_kern_cache_louis, v3_flush_kern_cache_all + __INITDATA @ define struct cpu_cache_fns (see <asm/cacheflush.h> and proc-macros.S) diff --git a/arch/arm/mm/cache-v4.S b/arch/arm/mm/cache-v4.S index 022135d2b7e4..43e5d77be677 100644 --- a/arch/arm/mm/cache-v4.S +++ b/arch/arm/mm/cache-v4.S @@ -140,6 +140,9 @@ ENTRY(v4_dma_map_area) ENDPROC(v4_dma_unmap_area) ENDPROC(v4_dma_map_area) + .globl v4_flush_kern_cache_louis + .equ v4_flush_kern_cache_louis, v4_flush_kern_cache_all + __INITDATA @ define struct cpu_cache_fns (see <asm/cacheflush.h> and proc-macros.S) diff --git a/arch/arm/mm/cache-v4wb.S b/arch/arm/mm/cache-v4wb.S index 8f1eeae340c8..cd4945321407 100644 --- a/arch/arm/mm/cache-v4wb.S +++ b/arch/arm/mm/cache-v4wb.S @@ -251,6 +251,9 @@ ENTRY(v4wb_dma_unmap_area) mov pc, lr ENDPROC(v4wb_dma_unmap_area) + .globl v4wb_flush_kern_cache_louis + .equ v4wb_flush_kern_cache_louis, v4wb_flush_kern_cache_all + __INITDATA @ define struct cpu_cache_fns (see <asm/cacheflush.h> and proc-macros.S) diff --git a/arch/arm/mm/cache-v4wt.S b/arch/arm/mm/cache-v4wt.S index b34a5f908a82..11e5e5838bc5 100644 --- a/arch/arm/mm/cache-v4wt.S +++ b/arch/arm/mm/cache-v4wt.S @@ -196,6 +196,9 @@ ENTRY(v4wt_dma_map_area) ENDPROC(v4wt_dma_unmap_area) ENDPROC(v4wt_dma_map_area) + .globl v4wt_flush_kern_cache_louis + .equ v4wt_flush_kern_cache_louis, v4wt_flush_kern_cache_all + __INITDATA @ define struct cpu_cache_fns (see <asm/cacheflush.h> and proc-macros.S) diff --git a/arch/arm/mm/cache-v6.S b/arch/arm/mm/cache-v6.S index 4b10760c56d6..d8fd4d4bd3d4 100644 --- a/arch/arm/mm/cache-v6.S +++ b/arch/arm/mm/cache-v6.S @@ -326,6 +326,9 @@ ENTRY(v6_dma_unmap_area) mov pc, lr ENDPROC(v6_dma_unmap_area) + .globl v6_flush_kern_cache_louis + .equ v6_flush_kern_cache_louis, v6_flush_kern_cache_all + __INITDATA @ define struct cpu_cache_fns (see <asm/cacheflush.h> and proc-macros.S) diff --git a/arch/arm/mm/cache-v7.S b/arch/arm/mm/cache-v7.S index 3b172275262e..cd956647c21a 100644 --- a/arch/arm/mm/cache-v7.S +++ b/arch/arm/mm/cache-v7.S @@ -33,6 +33,24 @@ ENTRY(v7_flush_icache_all) mov pc, lr ENDPROC(v7_flush_icache_all) + /* + * v7_flush_dcache_louis() + * + * Flush the D-cache up to the Level of Unification Inner Shareable + * + * Corrupted registers: r0-r7, r9-r11 (r6 only in Thumb mode) + */ + +ENTRY(v7_flush_dcache_louis) + dmb @ ensure ordering with previous memory accesses + mrc p15, 1, r0, c0, c0, 1 @ read clidr, r0 = clidr + ands r3, r0, #0xe00000 @ extract LoUIS from clidr + mov r3, r3, lsr #20 @ r3 = LoUIS * 2 + moveq pc, lr @ return if level == 0 + mov r10, #0 @ r10 (starting level) = 0 + b flush_levels @ start flushing cache levels +ENDPROC(v7_flush_dcache_louis) + /* * v7_flush_dcache_all() * @@ -49,7 +67,7 @@ ENTRY(v7_flush_dcache_all) mov r3, r3, lsr #23 @ left align loc bit field beq finished @ if loc is 0, then no need to clean mov r10, #0 @ start clean at cache level 0 -loop1: +flush_levels: add r2, r10, r10, lsr #1 @ work out 3x current cache level mov r1, r0, lsr r2 @ extract cache type bits from clidr and r1, r1, #7 @ mask of the bits for current cache only @@ -71,9 +89,9 @@ loop1: clz r5, r4 @ find bit position of way size increment ldr r7, =0x7fff ands r7, r7, r1, lsr #13 @ extract max number of the index size -loop2: +loop1: mov r9, r4 @ create working copy of max way size -loop3: +loop2: ARM( orr r11, r10, r9, lsl r5 ) @ factor way and cache number into r11 THUMB( lsl r6, r9, r5 ) THUMB( orr r11, r10, r6 ) @ factor way and cache number into r11 @@ -82,13 +100,13 @@ loop3: THUMB( orr r11, r11, r6 ) @ factor index number into r11 mcr p15, 0, r11, c7, c14, 2 @ clean & invalidate by set/way subs r9, r9, #1 @ decrement the way - bge loop3 - subs r7, r7, #1 @ decrement the index bge loop2 + subs r7, r7, #1 @ decrement the index + bge loop1 skip: add r10, r10, #2 @ increment cache number cmp r3, r10 - bgt loop1 + bgt flush_levels finished: mov r10, #0 @ swith back to cache level 0 mcr p15, 2, r10, c0, c0, 0 @ select current cache level in cssr @@ -120,6 +138,24 @@ ENTRY(v7_flush_kern_cache_all) mov pc, lr ENDPROC(v7_flush_kern_cache_all) + /* + * v7_flush_kern_cache_louis(void) + * + * Flush the data cache up to Level of Unification Inner Shareable. + * Invalidate the I-cache to the point of unification. + */ +ENTRY(v7_flush_kern_cache_louis) + ARM( stmfd sp!, {r4-r5, r7, r9-r11, lr} ) + THUMB( stmfd sp!, {r4-r7, r9-r11, lr} ) + bl v7_flush_dcache_louis + mov r0, #0 + ALT_SMP(mcr p15, 0, r0, c7, c1, 0) @ invalidate I-cache inner shareable + ALT_UP(mcr p15, 0, r0, c7, c5, 0) @ I+BTB cache invalidate + ARM( ldmfd sp!, {r4-r5, r7, r9-r11, lr} ) + THUMB( ldmfd sp!, {r4-r7, r9-r11, lr} ) + mov pc, lr +ENDPROC(v7_flush_kern_cache_louis) + /* * v7_flush_cache_all() * diff --git a/arch/arm/mm/proc-arm1020.S b/arch/arm/mm/proc-arm1020.S index 0650bb87c1e3..2bb61e703d6c 100644 --- a/arch/arm/mm/proc-arm1020.S +++ b/arch/arm/mm/proc-arm1020.S @@ -368,6 +368,9 @@ ENTRY(arm1020_dma_unmap_area) mov pc, lr ENDPROC(arm1020_dma_unmap_area) + .globl arm1020_flush_kern_cache_louis + .equ arm1020_flush_kern_cache_louis, arm1020_flush_kern_cache_all + @ define struct cpu_cache_fns (see <asm/cacheflush.h> and proc-macros.S) define_cache_functions arm1020 diff --git a/arch/arm/mm/proc-arm1020e.S b/arch/arm/mm/proc-arm1020e.S index 4188478325a6..8f96aa40f510 100644 --- a/arch/arm/mm/proc-arm1020e.S +++ b/arch/arm/mm/proc-arm1020e.S @@ -354,6 +354,9 @@ ENTRY(arm1020e_dma_unmap_area) mov pc, lr ENDPROC(arm1020e_dma_unmap_area) + .globl arm1020e_flush_kern_cache_louis + .equ arm1020e_flush_kern_cache_louis, arm1020e_flush_kern_cache_all + @ define struct cpu_cache_fns (see <asm/cacheflush.h> and proc-macros.S) define_cache_functions arm1020e diff --git a/arch/arm/mm/proc-arm1022.S b/arch/arm/mm/proc-arm1022.S index 33c68824bff0..8ebe4a469a22 100644 --- a/arch/arm/mm/proc-arm1022.S +++ b/arch/arm/mm/proc-arm1022.S @@ -343,6 +343,9 @@ ENTRY(arm1022_dma_unmap_area) mov pc, lr ENDPROC(arm1022_dma_unmap_area) + .globl arm1022_flush_kern_cache_louis + .equ arm1022_flush_kern_cache_louis, arm1022_flush_kern_cache_all + @ define struct cpu_cache_fns (see <asm/cacheflush.h> and proc-macros.S) define_cache_functions arm1022 diff --git a/arch/arm/mm/proc-arm1026.S b/arch/arm/mm/proc-arm1026.S index fbc1d5fc24dc..093fc7e520c3 100644 --- a/arch/arm/mm/proc-arm1026.S +++ b/arch/arm/mm/proc-arm1026.S @@ -337,6 +337,9 @@ ENTRY(arm1026_dma_unmap_area) mov pc, lr ENDPROC(arm1026_dma_unmap_area) + .globl arm1026_flush_kern_cache_louis + .equ arm1026_flush_kern_cache_louis, arm1026_flush_kern_cache_all + @ define struct cpu_cache_fns (see <asm/cacheflush.h> and proc-macros.S) define_cache_functions arm1026 diff --git a/arch/arm/mm/proc-arm920.S b/arch/arm/mm/proc-arm920.S index 1a8c138eb897..2c3b9421ab5e 100644 --- a/arch/arm/mm/proc-arm920.S +++ b/arch/arm/mm/proc-arm920.S @@ -319,6 +319,9 @@ ENTRY(arm920_dma_unmap_area) mov pc, lr ENDPROC(arm920_dma_unmap_area) + .globl arm920_flush_kern_cache_louis + .equ arm920_flush_kern_cache_louis, arm920_flush_kern_cache_all + @ define struct cpu_cache_fns (see <asm/cacheflush.h> and proc-macros.S) define_cache_functions arm920 #endif diff --git a/arch/arm/mm/proc-arm922.S b/arch/arm/mm/proc-arm922.S index 4c44d7e1c3ca..4464c49d7449 100644 --- a/arch/arm/mm/proc-arm922.S +++ b/arch/arm/mm/proc-arm922.S @@ -321,6 +321,9 @@ ENTRY(arm922_dma_unmap_area) mov pc, lr ENDPROC(arm922_dma_unmap_area) + .globl arm922_flush_kern_cache_louis + .equ arm922_flush_kern_cache_louis, arm922_flush_kern_cache_all + @ define struct cpu_cache_fns (see <asm/cacheflush.h> and proc-macros.S) define_cache_functions arm922 #endif diff --git a/arch/arm/mm/proc-arm925.S b/arch/arm/mm/proc-arm925.S index ec5b1180994f..281eb9b9c1d6 100644 --- a/arch/arm/mm/proc-arm925.S +++ b/arch/arm/mm/proc-arm925.S @@ -376,6 +376,9 @@ ENTRY(arm925_dma_unmap_area) mov pc, lr ENDPROC(arm925_dma_unmap_area) + .globl arm925_flush_kern_cache_louis + .equ arm925_flush_kern_cache_louis, arm925_flush_kern_cache_all + @ define struct cpu_cache_fns (see <asm/cacheflush.h> and proc-macros.S) define_cache_functions arm925 diff --git a/arch/arm/mm/proc-arm926.S b/arch/arm/mm/proc-arm926.S index c31e62c606c0..f1803f7e2972 100644 --- a/arch/arm/mm/proc-arm926.S +++ b/arch/arm/mm/proc-arm926.S @@ -339,6 +339,9 @@ ENTRY(arm926_dma_unmap_area) mov pc, lr ENDPROC(arm926_dma_unmap_area) + .globl arm926_flush_kern_cache_louis + .equ arm926_flush_kern_cache_louis, arm926_flush_kern_cache_all + @ define struct cpu_cache_fns (see <asm/cacheflush.h> and proc-macros.S) define_cache_functions arm926 diff --git a/arch/arm/mm/proc-arm940.S b/arch/arm/mm/proc-arm940.S index a613a7dd7146..8da189d4a402 100644 --- a/arch/arm/mm/proc-arm940.S +++ b/arch/arm/mm/proc-arm940.S @@ -267,6 +267,9 @@ ENTRY(arm940_dma_unmap_area) mov pc, lr ENDPROC(arm940_dma_unmap_area) + .globl arm940_flush_kern_cache_louis + .equ arm940_flush_kern_cache_louis, arm940_flush_kern_cache_all + @ define struct cpu_cache_fns (see <asm/cacheflush.h> and proc-macros.S) define_cache_functions arm940 diff --git a/arch/arm/mm/proc-arm946.S b/arch/arm/mm/proc-arm946.S index 9f4f2999fdd0..f666cf34075a 100644 --- a/arch/arm/mm/proc-arm946.S +++ b/arch/arm/mm/proc-arm946.S @@ -310,6 +310,9 @@ ENTRY(arm946_dma_unmap_area) mov pc, lr ENDPROC(arm946_dma_unmap_area) + .globl arm946_flush_kern_cache_louis + .equ arm946_flush_kern_cache_louis, arm946_flush_kern_cache_all + @ define struct cpu_cache_fns (see <asm/cacheflush.h> and proc-macros.S) define_cache_functions arm946 diff --git a/arch/arm/mm/proc-feroceon.S b/arch/arm/mm/proc-feroceon.S index 23a8e4c7f2bd..4106b09e0c29 100644 --- a/arch/arm/mm/proc-feroceon.S +++ b/arch/arm/mm/proc-feroceon.S @@ -415,6 +415,9 @@ ENTRY(feroceon_dma_unmap_area) mov pc, lr ENDPROC(feroceon_dma_unmap_area) + .globl feroceon_flush_kern_cache_louis + .equ feroceon_flush_kern_cache_louis, feroceon_flush_kern_cache_all + @ define struct cpu_cache_fns (see <asm/cacheflush.h> and proc-macros.S) define_cache_functions feroceon @@ -431,6 +434,7 @@ ENDPROC(feroceon_dma_unmap_area) range_alias flush_icache_all range_alias flush_user_cache_all range_alias flush_kern_cache_all + range_alias flush_kern_cache_louis range_alias flush_user_cache_range range_alias coherent_kern_range range_alias coherent_user_range diff --git a/arch/arm/mm/proc-macros.S b/arch/arm/mm/proc-macros.S index 2d8ff3ad86d3..b29a2265af01 100644 --- a/arch/arm/mm/proc-macros.S +++ b/arch/arm/mm/proc-macros.S @@ -299,6 +299,7 @@ ENTRY(\name\()_processor_functions) ENTRY(\name\()_cache_fns) .long \name\()_flush_icache_all .long \name\()_flush_kern_cache_all + .long \name\()_flush_kern_cache_louis .long \name\()_flush_user_cache_all .long \name\()_flush_user_cache_range .long \name\()_coherent_kern_range diff --git a/arch/arm/mm/proc-mohawk.S b/arch/arm/mm/proc-mohawk.S index fbb2124a547d..82f9cdc751d6 100644 --- a/arch/arm/mm/proc-mohawk.S +++ b/arch/arm/mm/proc-mohawk.S @@ -303,6 +303,9 @@ ENTRY(mohawk_dma_unmap_area) mov pc, lr ENDPROC(mohawk_dma_unmap_area) + .globl mohawk_flush_kern_cache_louis + .equ mohawk_flush_kern_cache_louis, mohawk_flush_kern_cache_all + @ define struct cpu_cache_fns (see <asm/cacheflush.h> and proc-macros.S) define_cache_functions mohawk diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S index c2e2b66f72b5..846d279f3176 100644 --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S @@ -172,7 +172,7 @@ __v7_ca15mp_setup: __v7_setup: adr r12, __v7_setup_stack @ the local stack stmia r12, {r0-r5, r7, r9, r11, lr} - bl v7_flush_dcache_all + bl v7_flush_dcache_louis ldmia r12, {r0-r5, r7, r9, r11, lr} mrc p15, 0, r0, c0, c0, 0 @ read main ID register diff --git a/arch/arm/mm/proc-xsc3.S b/arch/arm/mm/proc-xsc3.S index b0d57869da2d..eb93d6487f35 100644 --- a/arch/arm/mm/proc-xsc3.S +++ b/arch/arm/mm/proc-xsc3.S @@ -337,6 +337,9 @@ ENTRY(xsc3_dma_unmap_area) mov pc, lr ENDPROC(xsc3_dma_unmap_area) + .globl xsc3_flush_kern_cache_louis + .equ xsc3_flush_kern_cache_louis, xsc3_flush_kern_cache_all + @ define struct cpu_cache_fns (see <asm/cacheflush.h> and proc-macros.S) define_cache_functions xsc3 diff --git a/arch/arm/mm/proc-xscale.S b/arch/arm/mm/proc-xscale.S index 4ffebaa595ee..25510361aa18 100644 --- a/arch/arm/mm/proc-xscale.S +++ b/arch/arm/mm/proc-xscale.S @@ -410,6 +410,9 @@ ENTRY(xscale_dma_unmap_area) mov pc, lr ENDPROC(xscale_dma_unmap_area) + .globl xscale_flush_kern_cache_louis + .equ xscale_flush_kern_cache_louis, xscale_flush_kern_cache_all + @ define struct cpu_cache_fns (see <asm/cacheflush.h> and proc-macros.S) define_cache_functions xscale @@ -439,6 +442,7 @@ ENDPROC(xscale_dma_unmap_area) a0_alias flush_icache_all a0_alias flush_user_cache_all a0_alias flush_kern_cache_all + a0_alias flush_kern_cache_louis a0_alias flush_user_cache_range a0_alias coherent_kern_range a0_alias coherent_user_range diff --git a/arch/arm/plat-nomadik/include/plat/gpio-nomadik.h b/arch/arm/plat-nomadik/include/plat/gpio-nomadik.h index 826de74bfdd1..c08a54d9d889 100644 --- a/arch/arm/plat-nomadik/include/plat/gpio-nomadik.h +++ b/arch/arm/plat-nomadik/include/plat/gpio-nomadik.h @@ -45,6 +45,12 @@ #define NMK_GPIO_ALT_B 2 #define NMK_GPIO_ALT_C (NMK_GPIO_ALT_A | NMK_GPIO_ALT_B) +#define NMK_GPIO_ALT_CX_SHIFT 2 +#define NMK_GPIO_ALT_C1 ((1<<NMK_GPIO_ALT_CX_SHIFT) | NMK_GPIO_ALT_C) +#define NMK_GPIO_ALT_C2 ((2<<NMK_GPIO_ALT_CX_SHIFT) | NMK_GPIO_ALT_C) +#define NMK_GPIO_ALT_C3 ((3<<NMK_GPIO_ALT_CX_SHIFT) | NMK_GPIO_ALT_C) +#define NMK_GPIO_ALT_C4 ((4<<NMK_GPIO_ALT_CX_SHIFT) | NMK_GPIO_ALT_C) + /* Pull up/down values */ enum nmk_gpio_pull { NMK_GPIO_PULL_NONE, diff --git a/arch/arm/plat-nomadik/include/plat/pincfg.h b/arch/arm/plat-nomadik/include/plat/pincfg.h index 9c949c7c98a7..3b8ec60af351 100644 --- a/arch/arm/plat-nomadik/include/plat/pincfg.h +++ b/arch/arm/plat-nomadik/include/plat/pincfg.h @@ -25,6 +25,8 @@ * bit 19..20 - SLPM direction * bit 21..22 - SLPM Value (if output) * bit 23..25 - PDIS value (if input) + * bit 26 - Gpio mode + * bit 27 - Sleep mode * * to facilitate the definition, the following macros are provided * diff --git a/arch/arm/plat-samsung/include/plat/regs-fb-v4.h b/arch/arm/plat-samsung/include/plat/regs-fb-v4.h deleted file mode 100644 index 4c3647f80057..000000000000 --- a/arch/arm/plat-samsung/include/plat/regs-fb-v4.h +++ /dev/null @@ -1,159 +0,0 @@ -/* arch/arm/plat-samsung/include/plat/regs-fb-v4.h - * - * Copyright 2008 Openmoko, Inc. - * Copyright 2008 Simtec Electronics - * http://armlinux.simtec.co.uk/ - * Ben Dooks <ben@simtec.co.uk> - * - * S3C64XX - new-style framebuffer register definitions - * - * This is the register set for the new style framebuffer interface - * found from the S3C2443 onwards and specifically the S3C64XX series - * S3C6400 and S3C6410. - * - * The file contains the cpu specific items which change between whichever - * architecture is selected. See <plat/regs-fb.h> for the core definitions - * that are the same. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -/* include the core definitions here, in case we really do need to - * override them at a later date. -*/ - -#include <plat/regs-fb.h> - -#define S3C_FB_MAX_WIN (5) /* number of hardware windows available. */ -#define VIDCON1_FSTATUS_EVEN (1 << 15) - -/* Video timing controls */ -#define VIDTCON0 (0x10) -#define VIDTCON1 (0x14) -#define VIDTCON2 (0x18) - -/* Window position controls */ - -#define WINCON(_win) (0x20 + ((_win) * 4)) - -/* OSD1 and OSD4 do not have register D */ - -#define VIDOSD_BASE (0x40) - -#define VIDINTCON0 (0x130) - -/* WINCONx */ - -#define WINCONx_CSCWIDTH_MASK (0x3 << 26) -#define WINCONx_CSCWIDTH_SHIFT (26) -#define WINCONx_CSCWIDTH_WIDE (0x0 << 26) -#define WINCONx_CSCWIDTH_NARROW (0x3 << 26) - -#define WINCONx_ENLOCAL (1 << 22) -#define WINCONx_BUFSTATUS (1 << 21) -#define WINCONx_BUFSEL (1 << 20) -#define WINCONx_BUFAUTOEN (1 << 19) -#define WINCONx_YCbCr (1 << 13) - -#define WINCON1_LOCALSEL_CAMIF (1 << 23) - -#define WINCON2_LOCALSEL_CAMIF (1 << 23) -#define WINCON2_BLD_PIX (1 << 6) - -#define WINCON2_ALPHA_SEL (1 << 1) -#define WINCON2_BPPMODE_MASK (0xf << 2) -#define WINCON2_BPPMODE_SHIFT (2) -#define WINCON2_BPPMODE_1BPP (0x0 << 2) -#define WINCON2_BPPMODE_2BPP (0x1 << 2) -#define WINCON2_BPPMODE_4BPP (0x2 << 2) -#define WINCON2_BPPMODE_8BPP_1232 (0x4 << 2) -#define WINCON2_BPPMODE_16BPP_565 (0x5 << 2) -#define WINCON2_BPPMODE_16BPP_A1555 (0x6 << 2) -#define WINCON2_BPPMODE_16BPP_I1555 (0x7 << 2) -#define WINCON2_BPPMODE_18BPP_666 (0x8 << 2) -#define WINCON2_BPPMODE_18BPP_A1665 (0x9 << 2) -#define WINCON2_BPPMODE_19BPP_A1666 (0xa << 2) -#define WINCON2_BPPMODE_24BPP_888 (0xb << 2) -#define WINCON2_BPPMODE_24BPP_A1887 (0xc << 2) -#define WINCON2_BPPMODE_25BPP_A1888 (0xd << 2) -#define WINCON2_BPPMODE_28BPP_A4888 (0xd << 2) - -#define WINCON3_BLD_PIX (1 << 6) - -#define WINCON3_ALPHA_SEL (1 << 1) -#define WINCON3_BPPMODE_MASK (0xf << 2) -#define WINCON3_BPPMODE_SHIFT (2) -#define WINCON3_BPPMODE_1BPP (0x0 << 2) -#define WINCON3_BPPMODE_2BPP (0x1 << 2) -#define WINCON3_BPPMODE_4BPP (0x2 << 2) -#define WINCON3_BPPMODE_16BPP_565 (0x5 << 2) -#define WINCON3_BPPMODE_16BPP_A1555 (0x6 << 2) -#define WINCON3_BPPMODE_16BPP_I1555 (0x7 << 2) -#define WINCON3_BPPMODE_18BPP_666 (0x8 << 2) -#define WINCON3_BPPMODE_18BPP_A1665 (0x9 << 2) -#define WINCON3_BPPMODE_19BPP_A1666 (0xa << 2) -#define WINCON3_BPPMODE_24BPP_888 (0xb << 2) -#define WINCON3_BPPMODE_24BPP_A1887 (0xc << 2) -#define WINCON3_BPPMODE_25BPP_A1888 (0xd << 2) -#define WINCON3_BPPMODE_28BPP_A4888 (0xd << 2) - -#define VIDINTCON0_FIFIOSEL_WINDOW2 (0x10 << 5) -#define VIDINTCON0_FIFIOSEL_WINDOW3 (0x20 << 5) -#define VIDINTCON0_FIFIOSEL_WINDOW4 (0x40 << 5) - -#define DITHMODE (0x170) -#define WINxMAP(_win) (0x180 + ((_win) * 4)) - - -#define DITHMODE_R_POS_MASK (0x3 << 5) -#define DITHMODE_R_POS_SHIFT (5) -#define DITHMODE_R_POS_8BIT (0x0 << 5) -#define DITHMODE_R_POS_6BIT (0x1 << 5) -#define DITHMODE_R_POS_5BIT (0x2 << 5) - -#define DITHMODE_G_POS_MASK (0x3 << 3) -#define DITHMODE_G_POS_SHIFT (3) -#define DITHMODE_G_POS_8BIT (0x0 << 3) -#define DITHMODE_G_POS_6BIT (0x1 << 3) -#define DITHMODE_G_POS_5BIT (0x2 << 3) - -#define DITHMODE_B_POS_MASK (0x3 << 1) -#define DITHMODE_B_POS_SHIFT (1) -#define DITHMODE_B_POS_8BIT (0x0 << 1) -#define DITHMODE_B_POS_6BIT (0x1 << 1) -#define DITHMODE_B_POS_5BIT (0x2 << 1) - -#define DITHMODE_DITH_EN (1 << 0) - -#define WPALCON (0x1A0) - -/* Palette control */ -/* Note for S5PC100: you can still use those macros on WPALCON (aka WPALCON_L), - * but make sure that WPALCON_H W2PAL-W4PAL entries are zeroed out */ -#define WPALCON_W4PAL_16BPP_A555 (1 << 8) -#define WPALCON_W3PAL_16BPP_A555 (1 << 7) -#define WPALCON_W2PAL_16BPP_A555 (1 << 6) - - -/* Notes on per-window bpp settings - * - * Value Win0 Win1 Win2 Win3 Win 4 - * 0000 1(P) 1(P) 1(P) 1(P) 1(P) - * 0001 2(P) 2(P) 2(P) 2(P) 2(P) - * 0010 4(P) 4(P) 4(P) 4(P) -none- - * 0011 8(P) 8(P) -none- -none- -none- - * 0100 -none- 8(A232) 8(A232) -none- -none- - * 0101 16(565) 16(565) 16(565) 16(565) 16(565) - * 0110 -none- 16(A555) 16(A555) 16(A555) 16(A555) - * 0111 16(I555) 16(I565) 16(I555) 16(I555) 16(I555) - * 1000 18(666) 18(666) 18(666) 18(666) 18(666) - * 1001 -none- 18(A665) 18(A665) 18(A665) 16(A665) - * 1010 -none- 19(A666) 19(A666) 19(A666) 19(A666) - * 1011 24(888) 24(888) 24(888) 24(888) 24(888) - * 1100 -none- 24(A887) 24(A887) 24(A887) 24(A887) - * 1101 -none- 25(A888) 25(A888) 25(A888) 25(A888) - * 1110 -none- -none- -none- -none- -none- - * 1111 -none- -none- -none- -none- -none- -*/ diff --git a/arch/arm/plat-samsung/include/plat/regs-fb.h b/arch/arm/plat-samsung/include/plat/regs-fb.h deleted file mode 100644 index 9a78012d6f43..000000000000 --- a/arch/arm/plat-samsung/include/plat/regs-fb.h +++ /dev/null @@ -1,403 +0,0 @@ -/* arch/arm/plat-samsung/include/plat/regs-fb.h - * - * Copyright 2008 Openmoko, Inc. - * Copyright 2008 Simtec Electronics - * http://armlinux.simtec.co.uk/ - * Ben Dooks <ben@simtec.co.uk> - * - * S3C Platform - new-style framebuffer register definitions - * - * This is the register set for the new style framebuffer interface - * found from the S3C2443 onwards into the S3C2416, S3C2450 and the - * S3C64XX series such as the S3C6400 and S3C6410. - * - * The file does not contain the cpu specific items which are based on - * whichever architecture is selected, it only contains the core of the - * register set. See <mach/regs-fb.h> to get the specifics. - * - * Note, we changed to using regs-fb.h as it avoids any clashes with - * the original regs-lcd.h so out of the way of regs-lcd.h as well as - * indicating the newer block is much more than just an LCD interface. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -/* Please do not include this file directly, use <mach/regs-fb.h> to - * ensure all the localised SoC support is included as necessary. -*/ - -/* VIDCON0 */ - -#define VIDCON0 (0x00) -#define VIDCON0_INTERLACE (1 << 29) -#define VIDCON0_VIDOUT_MASK (0x3 << 26) -#define VIDCON0_VIDOUT_SHIFT (26) -#define VIDCON0_VIDOUT_RGB (0x0 << 26) -#define VIDCON0_VIDOUT_TV (0x1 << 26) -#define VIDCON0_VIDOUT_I80_LDI0 (0x2 << 26) -#define VIDCON0_VIDOUT_I80_LDI1 (0x3 << 26) - -#define VIDCON0_L1_DATA_MASK (0x7 << 23) -#define VIDCON0_L1_DATA_SHIFT (23) -#define VIDCON0_L1_DATA_16BPP (0x0 << 23) -#define VIDCON0_L1_DATA_18BPP16 (0x1 << 23) -#define VIDCON0_L1_DATA_18BPP9 (0x2 << 23) -#define VIDCON0_L1_DATA_24BPP (0x3 << 23) -#define VIDCON0_L1_DATA_18BPP (0x4 << 23) -#define VIDCON0_L1_DATA_16BPP8 (0x5 << 23) - -#define VIDCON0_L0_DATA_MASK (0x7 << 20) -#define VIDCON0_L0_DATA_SHIFT (20) -#define VIDCON0_L0_DATA_16BPP (0x0 << 20) -#define VIDCON0_L0_DATA_18BPP16 (0x1 << 20) -#define VIDCON0_L0_DATA_18BPP9 (0x2 << 20) -#define VIDCON0_L0_DATA_24BPP (0x3 << 20) -#define VIDCON0_L0_DATA_18BPP (0x4 << 20) -#define VIDCON0_L0_DATA_16BPP8 (0x5 << 20) - -#define VIDCON0_PNRMODE_MASK (0x3 << 17) -#define VIDCON0_PNRMODE_SHIFT (17) -#define VIDCON0_PNRMODE_RGB (0x0 << 17) -#define VIDCON0_PNRMODE_BGR (0x1 << 17) -#define VIDCON0_PNRMODE_SERIAL_RGB (0x2 << 17) -#define VIDCON0_PNRMODE_SERIAL_BGR (0x3 << 17) - -#define VIDCON0_CLKVALUP (1 << 16) -#define VIDCON0_CLKVAL_F_MASK (0xff << 6) -#define VIDCON0_CLKVAL_F_SHIFT (6) -#define VIDCON0_CLKVAL_F_LIMIT (0xff) -#define VIDCON0_CLKVAL_F(_x) ((_x) << 6) -#define VIDCON0_VLCKFREE (1 << 5) -#define VIDCON0_CLKDIR (1 << 4) - -#define VIDCON0_CLKSEL_MASK (0x3 << 2) -#define VIDCON0_CLKSEL_SHIFT (2) -#define VIDCON0_CLKSEL_HCLK (0x0 << 2) -#define VIDCON0_CLKSEL_LCD (0x1 << 2) -#define VIDCON0_CLKSEL_27M (0x3 << 2) - -#define VIDCON0_ENVID (1 << 1) -#define VIDCON0_ENVID_F (1 << 0) - -#define VIDCON1 (0x04) -#define VIDCON1_LINECNT_MASK (0x7ff << 16) -#define VIDCON1_LINECNT_SHIFT (16) -#define VIDCON1_LINECNT_GET(_v) (((_v) >> 16) & 0x7ff) -#define VIDCON1_VSTATUS_MASK (0x3 << 13) -#define VIDCON1_VSTATUS_SHIFT (13) -#define VIDCON1_VSTATUS_VSYNC (0x0 << 13) -#define VIDCON1_VSTATUS_BACKPORCH (0x1 << 13) -#define VIDCON1_VSTATUS_ACTIVE (0x2 << 13) -#define VIDCON1_VSTATUS_FRONTPORCH (0x0 << 13) -#define VIDCON1_VCLK_MASK (0x3 << 9) -#define VIDCON1_VCLK_HOLD (0x0 << 9) -#define VIDCON1_VCLK_RUN (0x1 << 9) - -#define VIDCON1_INV_VCLK (1 << 7) -#define VIDCON1_INV_HSYNC (1 << 6) -#define VIDCON1_INV_VSYNC (1 << 5) -#define VIDCON1_INV_VDEN (1 << 4) - -/* VIDCON2 */ - -#define VIDCON2 (0x08) -#define VIDCON2_EN601 (1 << 23) -#define VIDCON2_TVFMTSEL_SW (1 << 14) - -#define VIDCON2_TVFMTSEL1_MASK (0x3 << 12) -#define VIDCON2_TVFMTSEL1_SHIFT (12) -#define VIDCON2_TVFMTSEL1_RGB (0x0 << 12) -#define VIDCON2_TVFMTSEL1_YUV422 (0x1 << 12) -#define VIDCON2_TVFMTSEL1_YUV444 (0x2 << 12) - -#define VIDCON2_ORGYCbCr (1 << 8) -#define VIDCON2_YUVORDCrCb (1 << 7) - -/* PRTCON (S3C6410, S5PC100) - * Might not be present in the S3C6410 documentation, - * but tests prove it's there almost for sure; shouldn't hurt in any case. - */ -#define PRTCON (0x0c) -#define PRTCON_PROTECT (1 << 11) - -/* VIDTCON0 */ - -#define VIDTCON0_VBPDE_MASK (0xff << 24) -#define VIDTCON0_VBPDE_SHIFT (24) -#define VIDTCON0_VBPDE_LIMIT (0xff) -#define VIDTCON0_VBPDE(_x) ((_x) << 24) - -#define VIDTCON0_VBPD_MASK (0xff << 16) -#define VIDTCON0_VBPD_SHIFT (16) -#define VIDTCON0_VBPD_LIMIT (0xff) -#define VIDTCON0_VBPD(_x) ((_x) << 16) - -#define VIDTCON0_VFPD_MASK (0xff << 8) -#define VIDTCON0_VFPD_SHIFT (8) -#define VIDTCON0_VFPD_LIMIT (0xff) -#define VIDTCON0_VFPD(_x) ((_x) << 8) - -#define VIDTCON0_VSPW_MASK (0xff << 0) -#define VIDTCON0_VSPW_SHIFT (0) -#define VIDTCON0_VSPW_LIMIT (0xff) -#define VIDTCON0_VSPW(_x) ((_x) << 0) - -/* VIDTCON1 */ - -#define VIDTCON1_VFPDE_MASK (0xff << 24) -#define VIDTCON1_VFPDE_SHIFT (24) -#define VIDTCON1_VFPDE_LIMIT (0xff) -#define VIDTCON1_VFPDE(_x) ((_x) << 24) - -#define VIDTCON1_HBPD_MASK (0xff << 16) -#define VIDTCON1_HBPD_SHIFT (16) -#define VIDTCON1_HBPD_LIMIT (0xff) -#define VIDTCON1_HBPD(_x) ((_x) << 16) - -#define VIDTCON1_HFPD_MASK (0xff << 8) -#define VIDTCON1_HFPD_SHIFT (8) -#define VIDTCON1_HFPD_LIMIT (0xff) -#define VIDTCON1_HFPD(_x) ((_x) << 8) - -#define VIDTCON1_HSPW_MASK (0xff << 0) -#define VIDTCON1_HSPW_SHIFT (0) -#define VIDTCON1_HSPW_LIMIT (0xff) -#define VIDTCON1_HSPW(_x) ((_x) << 0) - -#define VIDTCON2 (0x18) -#define VIDTCON2_LINEVAL_E(_x) ((((_x) & 0x800) >> 11) << 23) -#define VIDTCON2_LINEVAL_MASK (0x7ff << 11) -#define VIDTCON2_LINEVAL_SHIFT (11) -#define VIDTCON2_LINEVAL_LIMIT (0x7ff) -#define VIDTCON2_LINEVAL(_x) (((_x) & 0x7ff) << 11) - -#define VIDTCON2_HOZVAL_E(_x) ((((_x) & 0x800) >> 11) << 22) -#define VIDTCON2_HOZVAL_MASK (0x7ff << 0) -#define VIDTCON2_HOZVAL_SHIFT (0) -#define VIDTCON2_HOZVAL_LIMIT (0x7ff) -#define VIDTCON2_HOZVAL(_x) (((_x) & 0x7ff) << 0) - -/* WINCONx */ - - -#define WINCONx_BITSWP (1 << 18) -#define WINCONx_BYTSWP (1 << 17) -#define WINCONx_HAWSWP (1 << 16) -#define WINCONx_WSWP (1 << 15) -#define WINCONx_BURSTLEN_MASK (0x3 << 9) -#define WINCONx_BURSTLEN_SHIFT (9) -#define WINCONx_BURSTLEN_16WORD (0x0 << 9) -#define WINCONx_BURSTLEN_8WORD (0x1 << 9) -#define WINCONx_BURSTLEN_4WORD (0x2 << 9) - -#define WINCONx_ENWIN (1 << 0) -#define WINCON0_BPPMODE_MASK (0xf << 2) -#define WINCON0_BPPMODE_SHIFT (2) -#define WINCON0_BPPMODE_1BPP (0x0 << 2) -#define WINCON0_BPPMODE_2BPP (0x1 << 2) -#define WINCON0_BPPMODE_4BPP (0x2 << 2) -#define WINCON0_BPPMODE_8BPP_PALETTE (0x3 << 2) -#define WINCON0_BPPMODE_16BPP_565 (0x5 << 2) -#define WINCON0_BPPMODE_16BPP_1555 (0x7 << 2) -#define WINCON0_BPPMODE_18BPP_666 (0x8 << 2) -#define WINCON0_BPPMODE_24BPP_888 (0xb << 2) - -#define WINCON1_BLD_PIX (1 << 6) - -#define WINCON1_ALPHA_SEL (1 << 1) -#define WINCON1_BPPMODE_MASK (0xf << 2) -#define WINCON1_BPPMODE_SHIFT (2) -#define WINCON1_BPPMODE_1BPP (0x0 << 2) -#define WINCON1_BPPMODE_2BPP (0x1 << 2) -#define WINCON1_BPPMODE_4BPP (0x2 << 2) -#define WINCON1_BPPMODE_8BPP_PALETTE (0x3 << 2) -#define WINCON1_BPPMODE_8BPP_1232 (0x4 << 2) -#define WINCON1_BPPMODE_16BPP_565 (0x5 << 2) -#define WINCON1_BPPMODE_16BPP_A1555 (0x6 << 2) -#define WINCON1_BPPMODE_16BPP_I1555 (0x7 << 2) -#define WINCON1_BPPMODE_18BPP_666 (0x8 << 2) -#define WINCON1_BPPMODE_18BPP_A1665 (0x9 << 2) -#define WINCON1_BPPMODE_19BPP_A1666 (0xa << 2) -#define WINCON1_BPPMODE_24BPP_888 (0xb << 2) -#define WINCON1_BPPMODE_24BPP_A1887 (0xc << 2) -#define WINCON1_BPPMODE_25BPP_A1888 (0xd << 2) -#define WINCON1_BPPMODE_28BPP_A4888 (0xd << 2) - -/* S5PV210 */ -#define SHADOWCON (0x34) -#define SHADOWCON_WINx_PROTECT(_win) (1 << (10 + (_win))) -/* DMA channels (all windows) */ -#define SHADOWCON_CHx_ENABLE(_win) (1 << (_win)) -/* Local input channels (windows 0-2) */ -#define SHADOWCON_CHx_LOCAL_ENABLE(_win) (1 << (5 + (_win))) - -#define VIDOSDxA_TOPLEFT_X_E(_x) ((((_x) & 0x800) >> 11) << 23) -#define VIDOSDxA_TOPLEFT_X_MASK (0x7ff << 11) -#define VIDOSDxA_TOPLEFT_X_SHIFT (11) -#define VIDOSDxA_TOPLEFT_X_LIMIT (0x7ff) -#define VIDOSDxA_TOPLEFT_X(_x) (((_x) & 0x7ff) << 11) - -#define VIDOSDxA_TOPLEFT_Y_E(_x) ((((_x) & 0x800) >> 11) << 22) -#define VIDOSDxA_TOPLEFT_Y_MASK (0x7ff << 0) -#define VIDOSDxA_TOPLEFT_Y_SHIFT (0) -#define VIDOSDxA_TOPLEFT_Y_LIMIT (0x7ff) -#define VIDOSDxA_TOPLEFT_Y(_x) (((_x) & 0x7ff) << 0) - -#define VIDOSDxB_BOTRIGHT_X_E(_x) ((((_x) & 0x800) >> 11) << 23) -#define VIDOSDxB_BOTRIGHT_X_MASK (0x7ff << 11) -#define VIDOSDxB_BOTRIGHT_X_SHIFT (11) -#define VIDOSDxB_BOTRIGHT_X_LIMIT (0x7ff) -#define VIDOSDxB_BOTRIGHT_X(_x) (((_x) & 0x7ff) << 11) - -#define VIDOSDxB_BOTRIGHT_Y_E(_x) ((((_x) & 0x800) >> 11) << 22) -#define VIDOSDxB_BOTRIGHT_Y_MASK (0x7ff << 0) -#define VIDOSDxB_BOTRIGHT_Y_SHIFT (0) -#define VIDOSDxB_BOTRIGHT_Y_LIMIT (0x7ff) -#define VIDOSDxB_BOTRIGHT_Y(_x) (((_x) & 0x7ff) << 0) - -/* For VIDOSD[1..4]C */ -#define VIDISD14C_ALPHA0_R(_x) ((_x) << 20) -#define VIDISD14C_ALPHA0_G_MASK (0xf << 16) -#define VIDISD14C_ALPHA0_G_SHIFT (16) -#define VIDISD14C_ALPHA0_G_LIMIT (0xf) -#define VIDISD14C_ALPHA0_G(_x) ((_x) << 16) -#define VIDISD14C_ALPHA0_B_MASK (0xf << 12) -#define VIDISD14C_ALPHA0_B_SHIFT (12) -#define VIDISD14C_ALPHA0_B_LIMIT (0xf) -#define VIDISD14C_ALPHA0_B(_x) ((_x) << 12) -#define VIDISD14C_ALPHA1_R_MASK (0xf << 8) -#define VIDISD14C_ALPHA1_R_SHIFT (8) -#define VIDISD14C_ALPHA1_R_LIMIT (0xf) -#define VIDISD14C_ALPHA1_R(_x) ((_x) << 8) -#define VIDISD14C_ALPHA1_G_MASK (0xf << 4) -#define VIDISD14C_ALPHA1_G_SHIFT (4) -#define VIDISD14C_ALPHA1_G_LIMIT (0xf) -#define VIDISD14C_ALPHA1_G(_x) ((_x) << 4) -#define VIDISD14C_ALPHA1_B_MASK (0xf << 0) -#define VIDISD14C_ALPHA1_B_SHIFT (0) -#define VIDISD14C_ALPHA1_B_LIMIT (0xf) -#define VIDISD14C_ALPHA1_B(_x) ((_x) << 0) - -/* Video buffer addresses */ -#define VIDW_BUF_START(_buff) (0xA0 + ((_buff) * 8)) -#define VIDW_BUF_START1(_buff) (0xA4 + ((_buff) * 8)) -#define VIDW_BUF_END(_buff) (0xD0 + ((_buff) * 8)) -#define VIDW_BUF_END1(_buff) (0xD4 + ((_buff) * 8)) -#define VIDW_BUF_SIZE(_buff) (0x100 + ((_buff) * 4)) - -#define VIDW_BUF_SIZE_OFFSET_E(_x) ((((_x) & 0x2000) >> 13) << 27) -#define VIDW_BUF_SIZE_OFFSET_MASK (0x1fff << 13) -#define VIDW_BUF_SIZE_OFFSET_SHIFT (13) -#define VIDW_BUF_SIZE_OFFSET_LIMIT (0x1fff) -#define VIDW_BUF_SIZE_OFFSET(_x) (((_x) & 0x1fff) << 13) - -#define VIDW_BUF_SIZE_PAGEWIDTH_E(_x) ((((_x) & 0x2000) >> 13) << 26) -#define VIDW_BUF_SIZE_PAGEWIDTH_MASK (0x1fff << 0) -#define VIDW_BUF_SIZE_PAGEWIDTH_SHIFT (0) -#define VIDW_BUF_SIZE_PAGEWIDTH_LIMIT (0x1fff) -#define VIDW_BUF_SIZE_PAGEWIDTH(_x) (((_x) & 0x1fff) << 0) - -/* Interrupt controls and status */ - -#define VIDINTCON0_FIFOINTERVAL_MASK (0x3f << 20) -#define VIDINTCON0_FIFOINTERVAL_SHIFT (20) -#define VIDINTCON0_FIFOINTERVAL_LIMIT (0x3f) -#define VIDINTCON0_FIFOINTERVAL(_x) ((_x) << 20) - -#define VIDINTCON0_INT_SYSMAINCON (1 << 19) -#define VIDINTCON0_INT_SYSSUBCON (1 << 18) -#define VIDINTCON0_INT_I80IFDONE (1 << 17) - -#define VIDINTCON0_FRAMESEL0_MASK (0x3 << 15) -#define VIDINTCON0_FRAMESEL0_SHIFT (15) -#define VIDINTCON0_FRAMESEL0_BACKPORCH (0x0 << 15) -#define VIDINTCON0_FRAMESEL0_VSYNC (0x1 << 15) -#define VIDINTCON0_FRAMESEL0_ACTIVE (0x2 << 15) -#define VIDINTCON0_FRAMESEL0_FRONTPORCH (0x3 << 15) - -#define VIDINTCON0_FRAMESEL1 (1 << 13) -#define VIDINTCON0_FRAMESEL1_MASK (0x3 << 13) -#define VIDINTCON0_FRAMESEL1_NONE (0x0 << 13) -#define VIDINTCON0_FRAMESEL1_BACKPORCH (0x1 << 13) -#define VIDINTCON0_FRAMESEL1_VSYNC (0x2 << 13) -#define VIDINTCON0_FRAMESEL1_FRONTPORCH (0x3 << 13) - -#define VIDINTCON0_INT_FRAME (1 << 12) -#define VIDINTCON0_FIFIOSEL_MASK (0x7f << 5) -#define VIDINTCON0_FIFIOSEL_SHIFT (5) -#define VIDINTCON0_FIFIOSEL_WINDOW0 (0x1 << 5) -#define VIDINTCON0_FIFIOSEL_WINDOW1 (0x2 << 5) - -#define VIDINTCON0_FIFOLEVEL_MASK (0x7 << 2) -#define VIDINTCON0_FIFOLEVEL_SHIFT (2) -#define VIDINTCON0_FIFOLEVEL_TO25PC (0x0 << 2) -#define VIDINTCON0_FIFOLEVEL_TO50PC (0x1 << 2) -#define VIDINTCON0_FIFOLEVEL_TO75PC (0x2 << 2) -#define VIDINTCON0_FIFOLEVEL_EMPTY (0x3 << 2) -#define VIDINTCON0_FIFOLEVEL_FULL (0x4 << 2) - -#define VIDINTCON0_INT_FIFO_MASK (0x3 << 0) -#define VIDINTCON0_INT_FIFO_SHIFT (0) -#define VIDINTCON0_INT_ENABLE (1 << 0) - -#define VIDINTCON1 (0x134) -#define VIDINTCON1_INT_I180 (1 << 2) -#define VIDINTCON1_INT_FRAME (1 << 1) -#define VIDINTCON1_INT_FIFO (1 << 0) - -/* Window colour-key control registers */ -#define WKEYCON (0x140) /* 6410,V210 */ - -#define WKEYCON0 (0x00) -#define WKEYCON1 (0x04) - -#define WxKEYCON0_KEYBL_EN (1 << 26) -#define WxKEYCON0_KEYEN_F (1 << 25) -#define WxKEYCON0_DIRCON (1 << 24) -#define WxKEYCON0_COMPKEY_MASK (0xffffff << 0) -#define WxKEYCON0_COMPKEY_SHIFT (0) -#define WxKEYCON0_COMPKEY_LIMIT (0xffffff) -#define WxKEYCON0_COMPKEY(_x) ((_x) << 0) -#define WxKEYCON1_COLVAL_MASK (0xffffff << 0) -#define WxKEYCON1_COLVAL_SHIFT (0) -#define WxKEYCON1_COLVAL_LIMIT (0xffffff) -#define WxKEYCON1_COLVAL(_x) ((_x) << 0) - - -/* Window blanking (MAP) */ - -#define WINxMAP_MAP (1 << 24) -#define WINxMAP_MAP_COLOUR_MASK (0xffffff << 0) -#define WINxMAP_MAP_COLOUR_SHIFT (0) -#define WINxMAP_MAP_COLOUR_LIMIT (0xffffff) -#define WINxMAP_MAP_COLOUR(_x) ((_x) << 0) - -#define WPALCON_PAL_UPDATE (1 << 9) -#define WPALCON_W1PAL_MASK (0x7 << 3) -#define WPALCON_W1PAL_SHIFT (3) -#define WPALCON_W1PAL_25BPP_A888 (0x0 << 3) -#define WPALCON_W1PAL_24BPP (0x1 << 3) -#define WPALCON_W1PAL_19BPP_A666 (0x2 << 3) -#define WPALCON_W1PAL_18BPP_A665 (0x3 << 3) -#define WPALCON_W1PAL_18BPP (0x4 << 3) -#define WPALCON_W1PAL_16BPP_A555 (0x5 << 3) -#define WPALCON_W1PAL_16BPP_565 (0x6 << 3) - -#define WPALCON_W0PAL_MASK (0x7 << 0) -#define WPALCON_W0PAL_SHIFT (0) -#define WPALCON_W0PAL_25BPP_A888 (0x0 << 0) -#define WPALCON_W0PAL_24BPP (0x1 << 0) -#define WPALCON_W0PAL_19BPP_A666 (0x2 << 0) -#define WPALCON_W0PAL_18BPP_A665 (0x3 << 0) -#define WPALCON_W0PAL_18BPP (0x4 << 0) -#define WPALCON_W0PAL_16BPP_A555 (0x5 << 0) -#define WPALCON_W0PAL_16BPP_565 (0x6 << 0) - -/* Blending equation control */ -#define BLENDCON (0x260) -#define BLENDCON_NEW_MASK (1 << 0) -#define BLENDCON_NEW_8BIT_ALPHA_VALUE (1 << 0) -#define BLENDCON_NEW_4BIT_ALPHA_VALUE (0 << 0) - diff --git a/arch/arm/plat-samsung/setup-mipiphy.c b/arch/arm/plat-samsung/setup-mipiphy.c index 683c466c0e6a..147459327601 100644 --- a/arch/arm/plat-samsung/setup-mipiphy.c +++ b/arch/arm/plat-samsung/setup-mipiphy.c @@ -14,24 +14,18 @@ #include <linux/spinlock.h> #include <mach/regs-clock.h> -static int __s5p_mipi_phy_control(struct platform_device *pdev, - bool on, u32 reset) +static int __s5p_mipi_phy_control(int id, bool on, u32 reset) { static DEFINE_SPINLOCK(lock); void __iomem *addr; unsigned long flags; - int pid; u32 cfg; - if (!pdev) + id = max(0, id); + if (id > 1) return -EINVAL; - pid = (pdev->id == -1) ? 0 : pdev->id; - - if (pid != 0 && pid != 1) - return -EINVAL; - - addr = S5P_MIPI_DPHY_CONTROL(pid); + addr = S5P_MIPI_DPHY_CONTROL(id); spin_lock_irqsave(&lock, flags); @@ -52,12 +46,12 @@ static int __s5p_mipi_phy_control(struct platform_device *pdev, return 0; } -int s5p_csis_phy_enable(struct platform_device *pdev, bool on) +int s5p_csis_phy_enable(int id, bool on) { - return __s5p_mipi_phy_control(pdev, on, S5P_MIPI_DPHY_SRESETN); + return __s5p_mipi_phy_control(id, on, S5P_MIPI_DPHY_SRESETN); } int s5p_dsim_phy_enable(struct platform_device *pdev, bool on) { - return __s5p_mipi_phy_control(pdev, on, S5P_MIPI_DPHY_MRESETN); + return __s5p_mipi_phy_control(pdev->id, on, S5P_MIPI_DPHY_MRESETN); } diff --git a/arch/arm64/kernel/sys.c b/arch/arm64/kernel/sys.c index 905fcfb0ddd0..b120df37de35 100644 --- a/arch/arm64/kernel/sys.c +++ b/arch/arm64/kernel/sys.c @@ -50,13 +50,13 @@ asmlinkage long sys_execve(const char __user *filenamei, struct pt_regs *regs) { long error; - char * filename; + struct filename *filename; filename = getname(filenamei); error = PTR_ERR(filename); if (IS_ERR(filename)) goto out; - error = do_execve(filename, argv, envp, regs); + error = do_execve(filename->name, argv, envp, regs); putname(filename); out: return error; diff --git a/arch/arm64/kernel/sys_compat.c b/arch/arm64/kernel/sys_compat.c index fd2b4cb0d13b..906e3bd270b0 100644 --- a/arch/arm64/kernel/sys_compat.c +++ b/arch/arm64/kernel/sys_compat.c @@ -54,14 +54,14 @@ asmlinkage int compat_sys_execve(const char __user *filenamei, struct pt_regs *regs) { int error; - char * filename; + struct filename *filename; filename = getname(filenamei); error = PTR_ERR(filename); if (IS_ERR(filename)) goto out; - error = compat_do_execve(filename, compat_ptr(argv), compat_ptr(envp), - regs); + error = compat_do_execve(filename->name, compat_ptr(argv), + compat_ptr(envp), regs); putname(filename); out: return error; diff --git a/arch/avr32/include/asm/thread_info.h b/arch/avr32/include/asm/thread_info.h index e5deda4691db..6dc62e1f94c7 100644 --- a/arch/avr32/include/asm/thread_info.h +++ b/arch/avr32/include/asm/thread_info.h @@ -77,8 +77,6 @@ static inline struct thread_info *current_thread_info(void) #define TIF_SYSCALL_TRACE 0 /* syscall trace active */ #define TIF_SIGPENDING 1 /* signal pending */ #define TIF_NEED_RESCHED 2 /* rescheduling necessary */ -#define TIF_POLLING_NRFLAG 3 /* true if poll_idle() is polling - TIF_NEED_RESCHED */ #define TIF_BREAKPOINT 4 /* enter monitor mode on return */ #define TIF_SINGLE_STEP 5 /* single step in progress */ #define TIF_MEMDIE 6 /* is terminating due to OOM killer */ @@ -91,10 +89,9 @@ static inline struct thread_info *current_thread_info(void) #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) #define _TIF_SIGPENDING (1 << TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) -#define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG) +#define _TIF_BREAKPOINT (1 << TIF_BREAKPOINT) #define _TIF_SINGLE_STEP (1 << TIF_SINGLE_STEP) #define _TIF_MEMDIE (1 << TIF_MEMDIE) -#define _TIF_RESTORE_SIGMASK (1 << TIF_RESTORE_SIGMASK) #define _TIF_CPU_GOING_TO_SLEEP (1 << TIF_CPU_GOING_TO_SLEEP) #define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME) @@ -102,17 +99,14 @@ static inline struct thread_info *current_thread_info(void) /* work to do on interrupt/exception return */ #define _TIF_WORK_MASK \ - ((1 << TIF_SIGPENDING) \ + (_TIF_SIGPENDING \ | _TIF_NOTIFY_RESUME \ - | (1 << TIF_NEED_RESCHED) \ - | (1 << TIF_POLLING_NRFLAG) \ - | (1 << TIF_BREAKPOINT) \ - | (1 << TIF_RESTORE_SIGMASK)) + | _TIF_NEED_RESCHED \ + | _TIF_BREAKPOINT) /* work to do on any return to userspace */ -#define _TIF_ALLWORK_MASK (_TIF_WORK_MASK | (1 << TIF_SYSCALL_TRACE) | \ - _TIF_NOTIFY_RESUME) +#define _TIF_ALLWORK_MASK (_TIF_WORK_MASK | _TIF_SYSCALL_TRACE) /* work to do on return from debug mode */ -#define _TIF_DBGWORK_MASK (_TIF_WORK_MASK & ~(1 << TIF_BREAKPOINT)) +#define _TIF_DBGWORK_MASK (_TIF_WORK_MASK & ~_TIF_BREAKPOINT) #endif /* __ASM_AVR32_THREAD_INFO_H */ diff --git a/arch/avr32/kernel/process.c b/arch/avr32/kernel/process.c index 92c5af98a6f7..1bb0a8abd79b 100644 --- a/arch/avr32/kernel/process.c +++ b/arch/avr32/kernel/process.c @@ -388,14 +388,14 @@ asmlinkage int sys_execve(const char __user *ufilename, struct pt_regs *regs) { int error; - char *filename; + struct filename *filename; filename = getname(ufilename); error = PTR_ERR(filename); if (IS_ERR(filename)) goto out; - error = do_execve(filename, uargv, uenvp, regs); + error = do_execve(filename->name, uargv, uenvp, regs); putname(filename); out: diff --git a/arch/avr32/kernel/signal.c b/arch/avr32/kernel/signal.c index d552a854dacc..5e01c3a40ced 100644 --- a/arch/avr32/kernel/signal.c +++ b/arch/avr32/kernel/signal.c @@ -15,7 +15,6 @@ #include <linux/errno.h> #include <linux/ptrace.h> #include <linux/unistd.h> -#include <linux/freezer.h> #include <linux/tracehook.h> #include <asm/uaccess.h> diff --git a/arch/blackfin/include/asm/thread_info.h b/arch/blackfin/include/asm/thread_info.h index 53ad10005ae3..3894005337ba 100644 --- a/arch/blackfin/include/asm/thread_info.h +++ b/arch/blackfin/include/asm/thread_info.h @@ -96,8 +96,6 @@ static inline struct thread_info *current_thread_info(void) #define TIF_SYSCALL_TRACE 0 /* syscall trace active */ #define TIF_SIGPENDING 1 /* signal pending */ #define TIF_NEED_RESCHED 2 /* rescheduling necessary */ -#define TIF_POLLING_NRFLAG 3 /* true if poll_idle() is polling - TIF_NEED_RESCHED */ #define TIF_MEMDIE 4 /* is terminating due to OOM killer */ #define TIF_RESTORE_SIGMASK 5 /* restore signal mask in do_signal() */ #define TIF_IRQ_SYNC 7 /* sync pipeline stage */ @@ -108,8 +106,6 @@ static inline struct thread_info *current_thread_info(void) #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) #define _TIF_SIGPENDING (1<<TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) -#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) -#define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK) #define _TIF_IRQ_SYNC (1<<TIF_IRQ_SYNC) #define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME) #define _TIF_SINGLESTEP (1<<TIF_SINGLESTEP) diff --git a/arch/blackfin/kernel/process.c b/arch/blackfin/kernel/process.c index 62bcea7dcc6d..bb1cc721fcf7 100644 --- a/arch/blackfin/kernel/process.c +++ b/arch/blackfin/kernel/process.c @@ -213,14 +213,14 @@ asmlinkage int sys_execve(const char __user *name, const char __user *const __user *envp) { int error; - char *filename; + struct filename *filename; struct pt_regs *regs = (struct pt_regs *)((&name) + 6); filename = getname(name); error = PTR_ERR(filename); if (IS_ERR(filename)) return error; - error = do_execve(filename, argv, envp, regs); + error = do_execve(filename->name, argv, envp, regs); putname(filename); return error; } diff --git a/arch/blackfin/kernel/signal.c b/arch/blackfin/kernel/signal.c index 6682b73a8523..6ed20a1a4af9 100644 --- a/arch/blackfin/kernel/signal.c +++ b/arch/blackfin/kernel/signal.c @@ -10,7 +10,6 @@ #include <linux/tty.h> #include <linux/personality.h> #include <linux/binfmts.h> -#include <linux/freezer.h> #include <linux/uaccess.h> #include <linux/tracehook.h> diff --git a/arch/c6x/Kconfig b/arch/c6x/Kconfig index 983c859e40b7..45268b50c0c8 100644 --- a/arch/c6x/Kconfig +++ b/arch/c6x/Kconfig @@ -17,6 +17,7 @@ config C6X select OF select OF_EARLY_FLATTREE select GENERIC_CLOCKEVENTS + select GENERIC_KERNEL_THREAD config MMU def_bool n diff --git a/arch/c6x/include/asm/Kbuild b/arch/c6x/include/asm/Kbuild index 4e4e98da8192..112a496d8355 100644 --- a/arch/c6x/include/asm/Kbuild +++ b/arch/c6x/include/asm/Kbuild @@ -1,4 +1,3 @@ -include include/asm-generic/Kbuild.asm generic-y += atomic.h generic-y += auxvec.h diff --git a/arch/c6x/include/asm/processor.h b/arch/c6x/include/asm/processor.h index c50af7ef1c96..b9eb3da7f278 100644 --- a/arch/c6x/include/asm/processor.h +++ b/arch/c6x/include/asm/processor.h @@ -92,8 +92,6 @@ static inline void release_thread(struct task_struct *dead_task) { } -extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags); - #define copy_segments(tsk, mm) do { } while (0) #define release_segments(mm) do { } while (0) diff --git a/arch/c6x/include/asm/ptrace.h b/arch/c6x/include/asm/ptrace.h index b04ff5964258..76da6ad66108 100644 --- a/arch/c6x/include/asm/ptrace.h +++ b/arch/c6x/include/asm/ptrace.h @@ -11,156 +11,13 @@ #ifndef _ASM_C6X_PTRACE_H #define _ASM_C6X_PTRACE_H -#define BKPT_OPCODE 0x56454314 /* illegal opcode */ - -#ifdef _BIG_ENDIAN -#define PT_LO(odd, even) odd -#define PT_HI(odd, even) even -#else -#define PT_LO(odd, even) even -#define PT_HI(odd, even) odd -#endif - -#define PT_A4_ORG PT_LO(1, 0) -#define PT_TSR PT_HI(1, 0) -#define PT_ILC PT_LO(3, 2) -#define PT_RILC PT_HI(3, 2) -#define PT_CSR PT_LO(5, 4) -#define PT_PC PT_HI(5, 4) -#define PT_B16 PT_LO(7, 6) -#define PT_B17 PT_HI(7, 6) -#define PT_B18 PT_LO(9, 8) -#define PT_B19 PT_HI(9, 8) -#define PT_B20 PT_LO(11, 10) -#define PT_B21 PT_HI(11, 10) -#define PT_B22 PT_LO(13, 12) -#define PT_B23 PT_HI(13, 12) -#define PT_B24 PT_LO(15, 14) -#define PT_B25 PT_HI(15, 14) -#define PT_B26 PT_LO(17, 16) -#define PT_B27 PT_HI(17, 16) -#define PT_B28 PT_LO(19, 18) -#define PT_B29 PT_HI(19, 18) -#define PT_B30 PT_LO(21, 20) -#define PT_B31 PT_HI(21, 20) -#define PT_B0 PT_LO(23, 22) -#define PT_B1 PT_HI(23, 22) -#define PT_B2 PT_LO(25, 24) -#define PT_B3 PT_HI(25, 24) -#define PT_B4 PT_LO(27, 26) -#define PT_B5 PT_HI(27, 26) -#define PT_B6 PT_LO(29, 28) -#define PT_B7 PT_HI(29, 28) -#define PT_B8 PT_LO(31, 30) -#define PT_B9 PT_HI(31, 30) -#define PT_B10 PT_LO(33, 32) -#define PT_B11 PT_HI(33, 32) -#define PT_B12 PT_LO(35, 34) -#define PT_B13 PT_HI(35, 34) -#define PT_A16 PT_LO(37, 36) -#define PT_A17 PT_HI(37, 36) -#define PT_A18 PT_LO(39, 38) -#define PT_A19 PT_HI(39, 38) -#define PT_A20 PT_LO(41, 40) -#define PT_A21 PT_HI(41, 40) -#define PT_A22 PT_LO(43, 42) -#define PT_A23 PT_HI(43, 42) -#define PT_A24 PT_LO(45, 44) -#define PT_A25 PT_HI(45, 44) -#define PT_A26 PT_LO(47, 46) -#define PT_A27 PT_HI(47, 46) -#define PT_A28 PT_LO(49, 48) -#define PT_A29 PT_HI(49, 48) -#define PT_A30 PT_LO(51, 50) -#define PT_A31 PT_HI(51, 50) -#define PT_A0 PT_LO(53, 52) -#define PT_A1 PT_HI(53, 52) -#define PT_A2 PT_LO(55, 54) -#define PT_A3 PT_HI(55, 54) -#define PT_A4 PT_LO(57, 56) -#define PT_A5 PT_HI(57, 56) -#define PT_A6 PT_LO(59, 58) -#define PT_A7 PT_HI(59, 58) -#define PT_A8 PT_LO(61, 60) -#define PT_A9 PT_HI(61, 60) -#define PT_A10 PT_LO(63, 62) -#define PT_A11 PT_HI(63, 62) -#define PT_A12 PT_LO(65, 64) -#define PT_A13 PT_HI(65, 64) -#define PT_A14 PT_LO(67, 66) -#define PT_A15 PT_HI(67, 66) -#define PT_B14 PT_LO(69, 68) -#define PT_B15 PT_HI(69, 68) - -#define NR_PTREGS 70 - -#define PT_DP PT_B14 /* Data Segment Pointer (B14) */ -#define PT_SP PT_B15 /* Stack Pointer (B15) */ - -#define PTRACE_GETFDPIC 31 /* get the ELF fdpic loadmap address */ - -#define PTRACE_GETFDPIC_EXEC 0 /* [addr] request the executable loadmap */ -#define PTRACE_GETFDPIC_INTERP 1 /* [addr] request the interpreter loadmap */ +#include <uapi/asm/ptrace.h> #ifndef __ASSEMBLY__ - #ifdef _BIG_ENDIAN -#define REG_PAIR(odd, even) unsigned long odd; unsigned long even #else -#define REG_PAIR(odd, even) unsigned long even; unsigned long odd #endif -/* - * this struct defines the way the registers are stored on the - * stack during a system call. fields defined with REG_PAIR - * are saved and restored using double-word memory operations - * which means the word ordering of the pair depends on endianess. - */ -struct pt_regs { - REG_PAIR(tsr, orig_a4); - REG_PAIR(rilc, ilc); - REG_PAIR(pc, csr); - - REG_PAIR(b17, b16); - REG_PAIR(b19, b18); - REG_PAIR(b21, b20); - REG_PAIR(b23, b22); - REG_PAIR(b25, b24); - REG_PAIR(b27, b26); - REG_PAIR(b29, b28); - REG_PAIR(b31, b30); - - REG_PAIR(b1, b0); - REG_PAIR(b3, b2); - REG_PAIR(b5, b4); - REG_PAIR(b7, b6); - REG_PAIR(b9, b8); - REG_PAIR(b11, b10); - REG_PAIR(b13, b12); - - REG_PAIR(a17, a16); - REG_PAIR(a19, a18); - REG_PAIR(a21, a20); - REG_PAIR(a23, a22); - REG_PAIR(a25, a24); - REG_PAIR(a27, a26); - REG_PAIR(a29, a28); - REG_PAIR(a31, a30); - - REG_PAIR(a1, a0); - REG_PAIR(a3, a2); - REG_PAIR(a5, a4); - REG_PAIR(a7, a6); - REG_PAIR(a9, a8); - REG_PAIR(a11, a10); - REG_PAIR(a13, a12); - - REG_PAIR(a15, a14); - REG_PAIR(sp, dp); -}; - -#ifdef __KERNEL__ - #include <linux/linkage.h> #define user_mode(regs) ((((regs)->tsr) & 0x40) != 0) @@ -174,6 +31,5 @@ extern void show_regs(struct pt_regs *); extern asmlinkage unsigned long syscall_trace_entry(struct pt_regs *regs); extern asmlinkage void syscall_trace_exit(struct pt_regs *regs); -#endif /* __KERNEL__ */ #endif /* __ASSEMBLY__ */ #endif /* _ASM_C6X_PTRACE_H */ diff --git a/arch/c6x/include/asm/syscalls.h b/arch/c6x/include/asm/syscalls.h index aed53da703c9..e7b8991dc07c 100644 --- a/arch/c6x/include/asm/syscalls.h +++ b/arch/c6x/include/asm/syscalls.h @@ -44,11 +44,6 @@ extern int sys_cache_sync(unsigned long s, unsigned long e); struct pt_regs; extern asmlinkage long sys_c6x_clone(struct pt_regs *regs); -extern asmlinkage long sys_c6x_execve(const char __user *name, - const char __user *const __user *argv, - const char __user *const __user *envp, - struct pt_regs *regs); - #include <asm-generic/syscalls.h> diff --git a/arch/c6x/include/asm/thread_info.h b/arch/c6x/include/asm/thread_info.h index 1710bcbb8d09..4c8dc562bd90 100644 --- a/arch/c6x/include/asm/thread_info.h +++ b/arch/c6x/include/asm/thread_info.h @@ -97,7 +97,6 @@ struct thread_info *current_thread_info(void) #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ #define TIF_RESTORE_SIGMASK 4 /* restore signal mask in do_signal() */ -#define TIF_POLLING_NRFLAG 16 /* true if polling TIF_NEED_RESCHED */ #define TIF_MEMDIE 17 /* OOM killer killed process */ #define TIF_WORK_MASK 0x00007FFE /* work on irq/exception return */ diff --git a/arch/c6x/include/uapi/asm/Kbuild b/arch/c6x/include/uapi/asm/Kbuild index baebb3da1d44..c312b424c433 100644 --- a/arch/c6x/include/uapi/asm/Kbuild +++ b/arch/c6x/include/uapi/asm/Kbuild @@ -1,3 +1,10 @@ # UAPI Header export list include include/uapi/asm-generic/Kbuild.asm +header-y += byteorder.h +header-y += kvm_para.h +header-y += ptrace.h +header-y += setup.h +header-y += sigcontext.h +header-y += swab.h +header-y += unistd.h diff --git a/arch/c6x/include/asm/byteorder.h b/arch/c6x/include/uapi/asm/byteorder.h index 166038db342b..166038db342b 100644 --- a/arch/c6x/include/asm/byteorder.h +++ b/arch/c6x/include/uapi/asm/byteorder.h diff --git a/arch/c6x/include/asm/kvm_para.h b/arch/c6x/include/uapi/asm/kvm_para.h index 14fab8f0b957..14fab8f0b957 100644 --- a/arch/c6x/include/asm/kvm_para.h +++ b/arch/c6x/include/uapi/asm/kvm_para.h diff --git a/arch/c6x/include/uapi/asm/ptrace.h b/arch/c6x/include/uapi/asm/ptrace.h new file mode 100644 index 000000000000..cc0a4d99151e --- /dev/null +++ b/arch/c6x/include/uapi/asm/ptrace.h @@ -0,0 +1,163 @@ +/* + * Copyright (C) 2004, 2006, 2009, 2010 Texas Instruments Incorporated + * Author: Aurelien Jacquiot (aurelien.jacquiot@jaluna.com) + * + * Updated for 2.6.34: Mark Salter <msalter@redhat.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef _UAPI_ASM_C6X_PTRACE_H +#define _UAPI_ASM_C6X_PTRACE_H + +#define BKPT_OPCODE 0x56454314 /* illegal opcode */ + +#ifdef _BIG_ENDIAN +#define PT_LO(odd, even) odd +#define PT_HI(odd, even) even +#else +#define PT_LO(odd, even) even +#define PT_HI(odd, even) odd +#endif + +#define PT_A4_ORG PT_LO(1, 0) +#define PT_TSR PT_HI(1, 0) +#define PT_ILC PT_LO(3, 2) +#define PT_RILC PT_HI(3, 2) +#define PT_CSR PT_LO(5, 4) +#define PT_PC PT_HI(5, 4) +#define PT_B16 PT_LO(7, 6) +#define PT_B17 PT_HI(7, 6) +#define PT_B18 PT_LO(9, 8) +#define PT_B19 PT_HI(9, 8) +#define PT_B20 PT_LO(11, 10) +#define PT_B21 PT_HI(11, 10) +#define PT_B22 PT_LO(13, 12) +#define PT_B23 PT_HI(13, 12) +#define PT_B24 PT_LO(15, 14) +#define PT_B25 PT_HI(15, 14) +#define PT_B26 PT_LO(17, 16) +#define PT_B27 PT_HI(17, 16) +#define PT_B28 PT_LO(19, 18) +#define PT_B29 PT_HI(19, 18) +#define PT_B30 PT_LO(21, 20) +#define PT_B31 PT_HI(21, 20) +#define PT_B0 PT_LO(23, 22) +#define PT_B1 PT_HI(23, 22) +#define PT_B2 PT_LO(25, 24) +#define PT_B3 PT_HI(25, 24) +#define PT_B4 PT_LO(27, 26) +#define PT_B5 PT_HI(27, 26) +#define PT_B6 PT_LO(29, 28) +#define PT_B7 PT_HI(29, 28) +#define PT_B8 PT_LO(31, 30) +#define PT_B9 PT_HI(31, 30) +#define PT_B10 PT_LO(33, 32) +#define PT_B11 PT_HI(33, 32) +#define PT_B12 PT_LO(35, 34) +#define PT_B13 PT_HI(35, 34) +#define PT_A16 PT_LO(37, 36) +#define PT_A17 PT_HI(37, 36) +#define PT_A18 PT_LO(39, 38) +#define PT_A19 PT_HI(39, 38) +#define PT_A20 PT_LO(41, 40) +#define PT_A21 PT_HI(41, 40) +#define PT_A22 PT_LO(43, 42) +#define PT_A23 PT_HI(43, 42) +#define PT_A24 PT_LO(45, 44) +#define PT_A25 PT_HI(45, 44) +#define PT_A26 PT_LO(47, 46) +#define PT_A27 PT_HI(47, 46) +#define PT_A28 PT_LO(49, 48) +#define PT_A29 PT_HI(49, 48) +#define PT_A30 PT_LO(51, 50) +#define PT_A31 PT_HI(51, 50) +#define PT_A0 PT_LO(53, 52) +#define PT_A1 PT_HI(53, 52) +#define PT_A2 PT_LO(55, 54) +#define PT_A3 PT_HI(55, 54) +#define PT_A4 PT_LO(57, 56) +#define PT_A5 PT_HI(57, 56) +#define PT_A6 PT_LO(59, 58) +#define PT_A7 PT_HI(59, 58) +#define PT_A8 PT_LO(61, 60) +#define PT_A9 PT_HI(61, 60) +#define PT_A10 PT_LO(63, 62) +#define PT_A11 PT_HI(63, 62) +#define PT_A12 PT_LO(65, 64) +#define PT_A13 PT_HI(65, 64) +#define PT_A14 PT_LO(67, 66) +#define PT_A15 PT_HI(67, 66) +#define PT_B14 PT_LO(69, 68) +#define PT_B15 PT_HI(69, 68) + +#define NR_PTREGS 70 + +#define PT_DP PT_B14 /* Data Segment Pointer (B14) */ +#define PT_SP PT_B15 /* Stack Pointer (B15) */ + +#define PTRACE_GETFDPIC 31 /* get the ELF fdpic loadmap address */ + +#define PTRACE_GETFDPIC_EXEC 0 /* [addr] request the executable loadmap */ +#define PTRACE_GETFDPIC_INTERP 1 /* [addr] request the interpreter loadmap */ + +#ifndef __ASSEMBLY__ + +#ifdef _BIG_ENDIAN +#define REG_PAIR(odd, even) unsigned long odd; unsigned long even +#else +#define REG_PAIR(odd, even) unsigned long even; unsigned long odd +#endif + +/* + * this struct defines the way the registers are stored on the + * stack during a system call. fields defined with REG_PAIR + * are saved and restored using double-word memory operations + * which means the word ordering of the pair depends on endianess. + */ +struct pt_regs { + REG_PAIR(tsr, orig_a4); + REG_PAIR(rilc, ilc); + REG_PAIR(pc, csr); + + REG_PAIR(b17, b16); + REG_PAIR(b19, b18); + REG_PAIR(b21, b20); + REG_PAIR(b23, b22); + REG_PAIR(b25, b24); + REG_PAIR(b27, b26); + REG_PAIR(b29, b28); + REG_PAIR(b31, b30); + + REG_PAIR(b1, b0); + REG_PAIR(b3, b2); + REG_PAIR(b5, b4); + REG_PAIR(b7, b6); + REG_PAIR(b9, b8); + REG_PAIR(b11, b10); + REG_PAIR(b13, b12); + + REG_PAIR(a17, a16); + REG_PAIR(a19, a18); + REG_PAIR(a21, a20); + REG_PAIR(a23, a22); + REG_PAIR(a25, a24); + REG_PAIR(a27, a26); + REG_PAIR(a29, a28); + REG_PAIR(a31, a30); + + REG_PAIR(a1, a0); + REG_PAIR(a3, a2); + REG_PAIR(a5, a4); + REG_PAIR(a7, a6); + REG_PAIR(a9, a8); + REG_PAIR(a11, a10); + REG_PAIR(a13, a12); + + REG_PAIR(a15, a14); + REG_PAIR(sp, dp); +}; + +#endif /* __ASSEMBLY__ */ +#endif /* _UAPI_ASM_C6X_PTRACE_H */ diff --git a/arch/c6x/include/asm/setup.h b/arch/c6x/include/uapi/asm/setup.h index a01e31896fa9..a01e31896fa9 100644 --- a/arch/c6x/include/asm/setup.h +++ b/arch/c6x/include/uapi/asm/setup.h diff --git a/arch/c6x/include/asm/sigcontext.h b/arch/c6x/include/uapi/asm/sigcontext.h index eb702f39cde7..eb702f39cde7 100644 --- a/arch/c6x/include/asm/sigcontext.h +++ b/arch/c6x/include/uapi/asm/sigcontext.h diff --git a/arch/c6x/include/asm/swab.h b/arch/c6x/include/uapi/asm/swab.h index fd4bb0520e5e..fd4bb0520e5e 100644 --- a/arch/c6x/include/asm/swab.h +++ b/arch/c6x/include/uapi/asm/swab.h diff --git a/arch/c6x/include/asm/unistd.h b/arch/c6x/include/uapi/asm/unistd.h index ed2259043eec..4ff747d12dad 100644 --- a/arch/c6x/include/asm/unistd.h +++ b/arch/c6x/include/uapi/asm/unistd.h @@ -14,6 +14,9 @@ * more details. */ +#define __ARCH_WANT_KERNEL_EXECVE +#define __ARCH_WANT_SYS_EXECVE + /* Use the standard ABI for syscalls. */ #include <asm-generic/unistd.h> diff --git a/arch/c6x/kernel/asm-offsets.c b/arch/c6x/kernel/asm-offsets.c index 759ad6d207b6..60f1e437745d 100644 --- a/arch/c6x/kernel/asm-offsets.c +++ b/arch/c6x/kernel/asm-offsets.c @@ -116,7 +116,6 @@ void foo(void) DEFINE(_TIF_NOTIFY_RESUME, (1<<TIF_NOTIFY_RESUME)); DEFINE(_TIF_SIGPENDING, (1<<TIF_SIGPENDING)); DEFINE(_TIF_NEED_RESCHED, (1<<TIF_NEED_RESCHED)); - DEFINE(_TIF_POLLING_NRFLAG, (1<<TIF_POLLING_NRFLAG)); DEFINE(_TIF_ALLWORK_MASK, TIF_ALLWORK_MASK); DEFINE(_TIF_WORK_MASK, TIF_WORK_MASK); diff --git a/arch/c6x/kernel/entry.S b/arch/c6x/kernel/entry.S index 30b37e5f4a61..5449c36018fe 100644 --- a/arch/c6x/kernel/entry.S +++ b/arch/c6x/kernel/entry.S @@ -400,6 +400,32 @@ ret_from_fork_2: STW .D2T2 B0,*+SP(REGS_A4+8) ENDPROC(ret_from_fork) +ENTRY(ret_from_kernel_thread) +#ifdef CONFIG_C6X_BIG_KERNEL + MVKL .S1 schedule_tail,A0 + MVKH .S1 schedule_tail,A0 + B .S2X A0 +#else + B .S2 schedule_tail +#endif + LDW .D2T2 *+SP(REGS_A0+8),B10 /* get fn */ + ADDKPC .S2 0f,B3,3 +0: + B .S2 B10 /* call fn */ + LDW .D2T1 *+SP(REGS_A1+8),A4 /* get arg */ + MVKL .S2 sys_exit,B11 + MVKH .S2 sys_exit,B11 + ADDKPC .S2 0f,B3,1 +0: + BNOP .S2 B11,5 /* jump to sys_exit */ +ENDPROC(ret_from_kernel_thread) + +ENTRY(ret_from_kernel_execve) + GET_THREAD_INFO A12 + BNOP .S2 syscall_exit,4 + ADD .D2X A4,-8,SP +ENDPROC(ret_from_kernel_execve) + ;; ;; These are the interrupt handlers, responsible for calling __do_IRQ() ;; int6 is used for syscalls (see _system_call entry) @@ -593,13 +619,6 @@ ENTRY(sys_sigaltstack) NOP 4 ENDPROC(sys_sigaltstack) - ;; kernel_execve -ENTRY(kernel_execve) - MVK .S2 __NR_execve,B0 - SWE - BNOP .S2 B3,5 -ENDPROC(kernel_execve) - ;; ;; Special system calls ;; return address is in B3 @@ -628,29 +647,6 @@ ENTRY(sys_rt_sigreturn) #endif ENDPROC(sys_rt_sigreturn) -ENTRY(sys_execve) - ADDAW .D2 SP,2,B6 ; put regs addr in 4th parameter - ; & adjust regs stack addr - LDW .D2T2 *+SP(REGS_B4+8),B4 - - ;; c6x_execve(char *name, char **argv, - ;; char **envp, struct pt_regs *regs) -#ifdef CONFIG_C6X_BIG_KERNEL - || MVKL .S1 sys_c6x_execve,A0 - MVKH .S1 sys_c6x_execve,A0 - B .S2X A0 -#else - || B .S2 sys_c6x_execve -#endif - STW .D2T2 B3,*SP--[2] - ADDKPC .S2 ret_from_c6x_execve,B3,3 - -ret_from_c6x_execve: - LDW .D2T2 *++SP[2],B3 - NOP 4 - BNOP .S2 B3,5 -ENDPROC(sys_execve) - ENTRY(sys_pread_c6x) MV .D2X A8,B7 #ifdef CONFIG_C6X_BIG_KERNEL diff --git a/arch/c6x/kernel/process.c b/arch/c6x/kernel/process.c index 45e924a636a0..2770d9a9a84e 100644 --- a/arch/c6x/kernel/process.c +++ b/arch/c6x/kernel/process.c @@ -25,6 +25,7 @@ void (*c6x_restart)(void); void (*c6x_halt)(void); extern asmlinkage void ret_from_fork(void); +extern asmlinkage void ret_from_kernel_thread(void); /* * power off function, if any @@ -103,37 +104,6 @@ void machine_power_off(void) halt_loop(); } -static void kernel_thread_helper(int dummy, void *arg, int (*fn)(void *)) -{ - do_exit(fn(arg)); -} - -/* - * Create a kernel thread - */ -int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags) -{ - struct pt_regs regs; - - /* - * copy_thread sets a4 to zero (child return from fork) - * so we can't just set things up to directly return to - * fn. - */ - memset(®s, 0, sizeof(regs)); - regs.b4 = (unsigned long) arg; - regs.a6 = (unsigned long) fn; - regs.pc = (unsigned long) kernel_thread_helper; - local_save_flags(regs.csr); - regs.csr |= 1; - regs.tsr = 5; /* Set GEE and GIE in TSR */ - - /* Ok, create the new process.. */ - return do_fork(flags | CLONE_VM | CLONE_UNTRACED, -1, ®s, - 0, NULL, NULL); -} -EXPORT_SYMBOL(kernel_thread); - void flush_thread(void) { } @@ -191,22 +161,24 @@ int copy_thread(unsigned long clone_flags, unsigned long usp, childregs = task_pt_regs(p); - *childregs = *regs; - childregs->a4 = 0; - - if (usp == -1) + if (!regs) { /* case of __kernel_thread: we return to supervisor space */ + memset(childregs, 0, sizeof(struct pt_regs)); childregs->sp = (unsigned long)(childregs + 1); - else + p->thread.pc = (unsigned long) ret_from_kernel_thread; + childregs->a0 = usp; /* function */ + childregs->a1 = ustk_size; /* argument */ + } else { /* Otherwise use the given stack */ + *childregs = *regs; childregs->sp = usp; + p->thread.pc = (unsigned long) ret_from_fork; + } /* Set usp/ksp */ p->thread.usp = childregs->sp; - /* switch_to uses stack to save/restore 14 callee-saved regs */ thread_saved_ksp(p) = (unsigned long)childregs - 8; - p->thread.pc = (unsigned int) ret_from_fork; - p->thread.wchan = (unsigned long) ret_from_fork; + p->thread.wchan = p->thread.pc; #ifdef __DSBT__ { unsigned long dp; @@ -221,28 +193,6 @@ int copy_thread(unsigned long clone_flags, unsigned long usp, return 0; } -/* - * c6x_execve() executes a new program. - */ -SYSCALL_DEFINE4(c6x_execve, const char __user *, name, - const char __user *const __user *, argv, - const char __user *const __user *, envp, - struct pt_regs *, regs) -{ - int error; - char *filename; - - filename = getname(name); - error = PTR_ERR(filename); - if (IS_ERR(filename)) - goto out; - - error = do_execve(filename, argv, envp, regs); - putname(filename); -out: - return error; -} - unsigned long get_wchan(struct task_struct *p) { return p->thread.wchan; diff --git a/arch/cris/arch-v10/kernel/process.c b/arch/cris/arch-v10/kernel/process.c index bee8df43c201..15ac7150371f 100644 --- a/arch/cris/arch-v10/kernel/process.c +++ b/arch/cris/arch-v10/kernel/process.c @@ -212,14 +212,14 @@ asmlinkage int sys_execve(const char *fname, struct pt_regs *regs) { int error; - char *filename; + struct filename *filename; filename = getname(fname); error = PTR_ERR(filename); if (IS_ERR(filename)) goto out; - error = do_execve(filename, argv, envp, regs); + error = do_execve(filename->name, argv, envp, regs); putname(filename); out: return error; diff --git a/arch/cris/arch-v32/kernel/process.c b/arch/cris/arch-v32/kernel/process.c index 0570e8ce603d..4e9992246359 100644 --- a/arch/cris/arch-v32/kernel/process.c +++ b/arch/cris/arch-v32/kernel/process.c @@ -224,7 +224,7 @@ sys_execve(const char *fname, struct pt_regs *regs) { int error; - char *filename; + struct filename *filename; filename = getname(fname); error = PTR_ERR(filename); @@ -232,7 +232,7 @@ sys_execve(const char *fname, if (IS_ERR(filename)) goto out; - error = do_execve(filename, argv, envp, regs); + error = do_execve(filename->name, argv, envp, regs); putname(filename); out: return error; diff --git a/arch/cris/include/asm/thread_info.h b/arch/cris/include/asm/thread_info.h index 5b1c448df5c0..07c8c40c52b3 100644 --- a/arch/cris/include/asm/thread_info.h +++ b/arch/cris/include/asm/thread_info.h @@ -78,15 +78,12 @@ struct thread_info { #define TIF_SIGPENDING 2 /* signal pending */ #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ #define TIF_RESTORE_SIGMASK 9 /* restore signal mask in do_signal() */ -#define TIF_POLLING_NRFLAG 16 /* true if poll_idle() is polling TIF_NEED_RESCHED */ #define TIF_MEMDIE 17 /* is terminating due to OOM killer */ #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) #define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME) #define _TIF_SIGPENDING (1<<TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) -#define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK) -#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) #define _TIF_WORK_MASK 0x0000FFFE /* work to do on interrupt/exception return */ #define _TIF_ALLWORK_MASK 0x0000FFFF /* work to do on any return to u-space */ diff --git a/arch/frv/Kconfig b/arch/frv/Kconfig index 9d262645f667..b7412504f08a 100644 --- a/arch/frv/Kconfig +++ b/arch/frv/Kconfig @@ -12,6 +12,7 @@ config FRV select ARCH_HAVE_NMI_SAFE_CMPXCHG select GENERIC_CPU_DEVICES select ARCH_WANT_IPC_PARSE_VERSION + select GENERIC_KERNEL_THREAD config ZONE_DMA bool diff --git a/arch/frv/include/asm/processor.h b/arch/frv/include/asm/processor.h index dccb9d162318..a34f309e5801 100644 --- a/arch/frv/include/asm/processor.h +++ b/arch/frv/include/asm/processor.h @@ -92,14 +92,12 @@ extern struct task_struct *__kernel_current_task; /* * do necessary setup to start up a newly executed thread. - * - need to discard the frame stacked by init() invoking the execve syscall */ #define start_thread(_regs, _pc, _usp) \ do { \ - __frame = __kernel_frame0_ptr; \ - __frame->pc = (_pc); \ - __frame->psr &= ~PSR_S; \ - __frame->sp = (_usp); \ + _regs->pc = (_pc); \ + _regs->psr &= ~PSR_S; \ + _regs->sp = (_usp); \ } while(0) /* Free all resources held by a thread. */ @@ -107,7 +105,6 @@ static inline void release_thread(struct task_struct *dead_task) { } -extern asmlinkage int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags); extern asmlinkage void save_user_regs(struct user_context *target); extern asmlinkage void *restore_user_regs(const struct user_context *target, ...); diff --git a/arch/frv/include/asm/ptrace.h b/arch/frv/include/asm/ptrace.h index ef6635ca4ecb..bd534b2d0258 100644 --- a/arch/frv/include/asm/ptrace.h +++ b/arch/frv/include/asm/ptrace.h @@ -76,6 +76,7 @@ register struct pt_regs *__frame asm("gr28"); #define user_mode(regs) (!((regs)->psr & PSR_S)) #define instruction_pointer(regs) ((regs)->pc) #define user_stack_pointer(regs) ((regs)->sp) +#define current_pt_regs() (__frame) extern unsigned long user_stack(const struct pt_regs *); #define profile_pc(regs) ((regs)->pc) diff --git a/arch/frv/include/asm/thread_info.h b/arch/frv/include/asm/thread_info.h index 0ff03a33c81e..bebd7eadc772 100644 --- a/arch/frv/include/asm/thread_info.h +++ b/arch/frv/include/asm/thread_info.h @@ -94,7 +94,6 @@ register struct thread_info *__current_thread_info asm("gr15"); #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ #define TIF_SINGLESTEP 4 /* restore singlestep on return to user mode */ #define TIF_RESTORE_SIGMASK 5 /* restore signal mask in do_signal() */ -#define TIF_POLLING_NRFLAG 6 /* true if poll_idle() is polling TIF_NEED_RESCHED */ #define TIF_MEMDIE 7 /* is terminating due to OOM killer */ #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) @@ -102,8 +101,6 @@ register struct thread_info *__current_thread_info asm("gr15"); #define _TIF_SIGPENDING (1 << TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) #define _TIF_SINGLESTEP (1 << TIF_SINGLESTEP) -#define _TIF_RESTORE_SIGMASK (1 << TIF_RESTORE_SIGMASK) -#define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG) /* work to do on interrupt/exception return */ #define _TIF_WORK_MASK \ diff --git a/arch/frv/include/asm/unistd.h b/arch/frv/include/asm/unistd.h index 67f23a311db6..b6b07e55e473 100644 --- a/arch/frv/include/asm/unistd.h +++ b/arch/frv/include/asm/unistd.h @@ -372,6 +372,8 @@ #define __ARCH_WANT_SYS_SIGPROCMASK #define __ARCH_WANT_SYS_RT_SIGACTION #define __ARCH_WANT_SYS_RT_SIGSUSPEND +#define __ARCH_WANT_SYS_EXECVE +#define __ARCH_WANT_KERNEL_EXECVE /* * "Conditional" syscalls diff --git a/arch/frv/kernel/Makefile b/arch/frv/kernel/Makefile index ad4087b69968..3cbb3294b9f9 100644 --- a/arch/frv/kernel/Makefile +++ b/arch/frv/kernel/Makefile @@ -7,8 +7,8 @@ heads-$(CONFIG_MMU) := head-mmu-fr451.o extra-y:= head.o vmlinux.lds -obj-y := $(heads-y) entry.o entry-table.o break.o switch_to.o kernel_thread.o \ - kernel_execve.o process.o traps.o ptrace.o signal.o dma.o \ +obj-y := $(heads-y) entry.o entry-table.o break.o switch_to.o \ + process.o traps.o ptrace.o signal.o dma.o \ sys_frv.o time.o setup.o frv_ksyms.o \ debug-stub.o irq.o sleep.o uaccess.o diff --git a/arch/frv/kernel/entry.S b/arch/frv/kernel/entry.S index 7d5e000fd32e..002732960315 100644 --- a/arch/frv/kernel/entry.S +++ b/arch/frv/kernel/entry.S @@ -863,6 +863,19 @@ ret_from_fork: setlos.p #0,gr8 bra __syscall_exit + .globl ret_from_kernel_thread +ret_from_kernel_thread: + lddi.p @(gr28,#REG_GR(8)),gr20 + call schedule_tail + or.p gr20,gr20,gr8 + calll @(gr21,gr0) + bra sys_exit + + .globl ret_from_kernel_execve +ret_from_kernel_execve: + ori gr28,0,sp + bra __syscall_exit + ################################################################################################### # # Return to user mode is not as complex as all this looks, diff --git a/arch/frv/kernel/frv_ksyms.c b/arch/frv/kernel/frv_ksyms.c index a89803b58b9a..86c516d96dcd 100644 --- a/arch/frv/kernel/frv_ksyms.c +++ b/arch/frv/kernel/frv_ksyms.c @@ -30,7 +30,6 @@ EXPORT_SYMBOL(ip_fast_csum); EXPORT_SYMBOL(local_irq_count); EXPORT_SYMBOL(local_bh_count); #endif -EXPORT_SYMBOL(kernel_thread); EXPORT_SYMBOL(__res_bus_clock_speed_HZ); EXPORT_SYMBOL(__page_offset); diff --git a/arch/frv/kernel/kernel_execve.S b/arch/frv/kernel/kernel_execve.S deleted file mode 100644 index 9b074a16a052..000000000000 --- a/arch/frv/kernel/kernel_execve.S +++ /dev/null @@ -1,33 +0,0 @@ -/* in-kernel program execution - * - * Copyright (C) 2006 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - -#include <linux/linkage.h> -#include <asm/unistd.h> - -############################################################################### -# -# Do a system call from kernel instead of calling sys_execve so we end up with -# proper pt_regs. -# -# int kernel_execve(const char *filename, char *const argv[], char *const envp[]) -# -# On entry: GR8/GR9/GR10: arguments to function -# On return: GR8: syscall return. -# -############################################################################### - .globl kernel_execve - .type kernel_execve,@function -kernel_execve: - setlos __NR_execve,gr7 - tira gr0,#0 - bralr - - .size kernel_execve,.-kernel_execve diff --git a/arch/frv/kernel/kernel_thread.S b/arch/frv/kernel/kernel_thread.S deleted file mode 100644 index f0e52943f923..000000000000 --- a/arch/frv/kernel/kernel_thread.S +++ /dev/null @@ -1,77 +0,0 @@ -/* kernel_thread.S: kernel thread creation - * - * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - -#include <linux/linkage.h> -#include <linux/kern_levels.h> -#include <asm/unistd.h> - -#define CLONE_VM 0x00000100 /* set if VM shared between processes */ - - .section .rodata -kernel_thread_emsg: - .asciz KERN_ERR "failed to create kernel thread: error=%d\n" - - .text - .balign 4 - -############################################################################### -# -# Create a kernel thread -# -# int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags) -# -############################################################################### - .globl kernel_thread - .type kernel_thread,@function -kernel_thread: - or.p gr8,gr0,gr4 - or gr9,gr0,gr5 - - # start by forking the current process, but with shared VM - setlos.p #__NR_clone,gr7 ; syscall number - ori gr10,#CLONE_VM,gr8 ; first syscall arg [clone_flags] - sethi.p #0xe4e4,gr9 ; second syscall arg [newsp] - setlo #0xe4e4,gr9 - setlos.p #0,gr10 ; third syscall arg [parent_tidptr] - setlos #0,gr11 ; fourth syscall arg [child_tidptr] - tira gr0,#0 - setlos.p #4095,gr7 - andcc gr8,gr8,gr0,icc0 - addcc.p gr8,gr7,gr0,icc1 - bnelr icc0,#2 - bc icc1,#0,kernel_thread_error - - # now invoke the work function - or gr5,gr0,gr8 - calll @(gr4,gr0) - - # and finally exit the thread - setlos #__NR_exit,gr7 ; syscall number - tira gr0,#0 - -kernel_thread_error: - subi sp,#8,sp - movsg lr,gr4 - sti gr8,@(sp,#0) - sti.p gr4,@(sp,#4) - - or gr8,gr0,gr9 - sethi.p %hi(kernel_thread_emsg),gr8 - setlo %lo(kernel_thread_emsg),gr8 - - call printk - - ldi @(sp,#4),gr4 - ldi @(sp,#0),gr8 - subi sp,#8,sp - jmpl @(gr4,gr0) - - .size kernel_thread,.-kernel_thread diff --git a/arch/frv/kernel/process.c b/arch/frv/kernel/process.c index 2eb7fa5bf9d8..655d90d20bb0 100644 --- a/arch/frv/kernel/process.c +++ b/arch/frv/kernel/process.c @@ -38,6 +38,7 @@ #include "local.h" asmlinkage void ret_from_fork(void); +asmlinkage void ret_from_kernel_thread(void); #include <asm/pgalloc.h> @@ -172,32 +173,13 @@ asmlinkage int sys_clone(unsigned long clone_flags, unsigned long newsp, * set up the kernel stack and exception frames for a new process */ int copy_thread(unsigned long clone_flags, - unsigned long usp, unsigned long topstk, + unsigned long usp, unsigned long arg, struct task_struct *p, struct pt_regs *regs) { - struct pt_regs *childregs0, *childregs, *regs0; + struct pt_regs *childregs; - regs0 = __kernel_frame0_ptr; - childregs0 = (struct pt_regs *) + childregs = (struct pt_regs *) (task_stack_page(p) + THREAD_SIZE - FRV_FRAME0_SIZE); - childregs = childregs0; - - /* set up the userspace frame (the only place that the USP is stored) */ - *childregs0 = *regs0; - - childregs0->gr8 = 0; - childregs0->sp = usp; - childregs0->next_frame = NULL; - - /* set up the return kernel frame if called from kernel_thread() */ - if (regs != regs0) { - childregs--; - *childregs = *regs; - childregs->sp = (unsigned long) childregs0; - childregs->next_frame = childregs0; - childregs->gr15 = (unsigned long) task_thread_info(p); - childregs->gr29 = (unsigned long) p; - } p->set_child_tid = p->clear_child_tid = NULL; @@ -206,8 +188,25 @@ int copy_thread(unsigned long clone_flags, p->thread.sp = (unsigned long) childregs; p->thread.fp = 0; p->thread.lr = 0; - p->thread.pc = (unsigned long) ret_from_fork; - p->thread.frame0 = childregs0; + p->thread.frame0 = childregs; + + if (unlikely(!regs)) { + memset(childregs, 0, sizeof(struct pt_regs)); + childregs->gr9 = usp; /* function */ + childregs->gr8 = arg; + chilregs->psr = PSR_S; + p->thread.pc = (unsigned long) ret_from_kernel_thread; + save_user_regs(p->thread.user); + return 0; + } + + /* set up the userspace frame (the only place that the USP is stored) */ + *childregs = *regs; + + childregs->sp = usp; + childregs->next_frame = NULL; + + p->thread.pc = (unsigned long) ret_from_fork; /* the new TLS pointer is passed in as arg #5 to sys_clone() */ if (clone_flags & CLONE_SETTLS) @@ -218,25 +217,6 @@ int copy_thread(unsigned long clone_flags, return 0; } /* end copy_thread() */ -/* - * sys_execve() executes a new program. - */ -asmlinkage int sys_execve(const char __user *name, - const char __user *const __user *argv, - const char __user *const __user *envp) -{ - int error; - char * filename; - - filename = getname(name); - error = PTR_ERR(filename); - if (IS_ERR(filename)) - return error; - error = do_execve(filename, argv, envp, __frame); - putname(filename); - return error; -} - unsigned long get_wchan(struct task_struct *p) { struct pt_regs *regs0; diff --git a/arch/frv/kernel/signal.c b/arch/frv/kernel/signal.c index 864c2f0d497b..535810a3217a 100644 --- a/arch/frv/kernel/signal.c +++ b/arch/frv/kernel/signal.c @@ -20,7 +20,6 @@ #include <linux/ptrace.h> #include <linux/unistd.h> #include <linux/personality.h> -#include <linux/freezer.h> #include <linux/tracehook.h> #include <asm/ucontext.h> #include <asm/uaccess.h> @@ -298,10 +297,6 @@ static int setup_frame(int sig, struct k_sigaction *ka, sigset_t *set) __frame->lr = (unsigned long) &frame->retcode; __frame->gr8 = sig; - /* the tracer may want to single-step inside the handler */ - if (test_thread_flag(TIF_SINGLESTEP)) - ptrace_notify(SIGTRAP); - #if DEBUG_SIG printk("SIG deliver %d (%s:%d): sp=%p pc=%lx ra=%p\n", sig, current->comm, current->pid, frame, __frame->pc, @@ -400,10 +395,6 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, __frame->gr8 = sig; __frame->gr9 = (unsigned long) &frame->info; - /* the tracer may want to single-step inside the handler */ - if (test_thread_flag(TIF_SINGLESTEP)) - ptrace_notify(SIGTRAP); - #if DEBUG_SIG printk("SIG deliver %d (%s:%d): sp=%p pc=%lx ra=%p\n", sig, current->comm, current->pid, frame, __frame->pc, diff --git a/arch/h8300/include/asm/thread_info.h b/arch/h8300/include/asm/thread_info.h index 9c126e0c09aa..ec2f7777c65a 100644 --- a/arch/h8300/include/asm/thread_info.h +++ b/arch/h8300/include/asm/thread_info.h @@ -85,8 +85,6 @@ static inline struct thread_info *current_thread_info(void) #define TIF_SYSCALL_TRACE 0 /* syscall trace active */ #define TIF_SIGPENDING 1 /* signal pending */ #define TIF_NEED_RESCHED 2 /* rescheduling necessary */ -#define TIF_POLLING_NRFLAG 3 /* true if poll_idle() is polling - TIF_NEED_RESCHED */ #define TIF_MEMDIE 4 /* is terminating due to OOM killer */ #define TIF_RESTORE_SIGMASK 5 /* restore signal mask in do_signal() */ #define TIF_NOTIFY_RESUME 6 /* callback before returning to user */ @@ -95,11 +93,10 @@ static inline struct thread_info *current_thread_info(void) #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) #define _TIF_SIGPENDING (1<<TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) -#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) -#define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK) #define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME) -#define _TIF_WORK_MASK 0x0000FFFE /* work to do on interrupt/exception return */ +#define _TIF_WORK_MASK (_TIF_SIGPENDING | _TIF_NEED_RESCHED | \ + _TIF_NOTIFY_RESUME) #endif /* __KERNEL__ */ diff --git a/arch/h8300/kernel/process.c b/arch/h8300/kernel/process.c index f153ed1a4c08..e8dc1393a13a 100644 --- a/arch/h8300/kernel/process.c +++ b/arch/h8300/kernel/process.c @@ -217,14 +217,14 @@ asmlinkage int sys_execve(const char *name, int dummy, ...) { int error; - char * filename; + struct filename *filename; struct pt_regs *regs = (struct pt_regs *) ((unsigned char *)&dummy-4); filename = getname(name); error = PTR_ERR(filename); if (IS_ERR(filename)) return error; - error = do_execve(filename, argv, envp, regs); + error = do_execve(filename->name, argv, envp, regs); putname(filename); return error; } diff --git a/arch/h8300/kernel/signal.c b/arch/h8300/kernel/signal.c index 5adaadaf9218..0e81b96c642f 100644 --- a/arch/h8300/kernel/signal.c +++ b/arch/h8300/kernel/signal.c @@ -38,7 +38,6 @@ #include <linux/personality.h> #include <linux/tty.h> #include <linux/binfmts.h> -#include <linux/freezer.h> #include <linux/tracehook.h> #include <asm/setup.h> diff --git a/arch/hexagon/include/asm/thread_info.h b/arch/hexagon/include/asm/thread_info.h index 4f936a7ee847..e4a0aad69cbb 100644 --- a/arch/hexagon/include/asm/thread_info.h +++ b/arch/hexagon/include/asm/thread_info.h @@ -120,10 +120,8 @@ register struct thread_info *__current_thread_info asm(QUOTED_THREADINFO_REG); #define TIF_SIGPENDING 2 /* signal pending */ #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ #define TIF_SINGLESTEP 4 /* restore ss @ return to usr mode */ -#define TIF_IRET 5 /* return with iret */ #define TIF_RESTORE_SIGMASK 6 /* restore sig mask in do_signal() */ /* true if poll_idle() is polling TIF_NEED_RESCHED */ -#define TIF_POLLING_NRFLAG 16 #define TIF_MEMDIE 17 /* OOM killer killed process */ #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) @@ -131,9 +129,6 @@ register struct thread_info *__current_thread_info asm(QUOTED_THREADINFO_REG); #define _TIF_SIGPENDING (1 << TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) #define _TIF_SINGLESTEP (1 << TIF_SINGLESTEP) -#define _TIF_IRET (1 << TIF_IRET) -#define _TIF_RESTORE_SIGMASK (1 << TIF_RESTORE_SIGMASK) -#define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG) /* work to do on interrupt/exception return - All but TIF_SYSCALL_TRACE */ #define _TIF_WORK_MASK (0x0000FFFF & ~_TIF_SYSCALL_TRACE) diff --git a/arch/hexagon/kernel/signal.c b/arch/hexagon/kernel/signal.c index 304b0808d072..1ea16bec7b91 100644 --- a/arch/hexagon/kernel/signal.c +++ b/arch/hexagon/kernel/signal.c @@ -20,7 +20,6 @@ #include <linux/linkage.h> #include <linux/syscalls.h> -#include <linux/freezer.h> #include <linux/tracehook.h> #include <asm/registers.h> #include <asm/thread_info.h> diff --git a/arch/hexagon/kernel/syscall.c b/arch/hexagon/kernel/syscall.c index 553cd60ee659..25a9bfe3445d 100644 --- a/arch/hexagon/kernel/syscall.c +++ b/arch/hexagon/kernel/syscall.c @@ -40,7 +40,7 @@ asmlinkage int sys_execve(char __user *ufilename, const char __user *const __user *envp) { struct pt_regs *pregs = current_thread_info()->regs; - char *filename; + struct filename *filename; int retval; filename = getname(ufilename); @@ -48,7 +48,7 @@ asmlinkage int sys_execve(char __user *ufilename, if (IS_ERR(filename)) return retval; - retval = do_execve(filename, argv, envp, pregs); + retval = do_execve(filename->name, argv, envp, pregs); putname(filename); return retval; diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index 3c720ef6c32d..4c10e607c908 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -39,7 +39,7 @@ config IA64 select ARCH_TASK_STRUCT_ALLOCATOR select ARCH_THREAD_INFO_ALLOCATOR select ARCH_CLOCKSOURCE_DATA - select GENERIC_TIME_VSYSCALL + select GENERIC_TIME_VSYSCALL_OLD default y help The Itanium Processor Family is Intel's 64-bit successor to diff --git a/arch/ia64/include/asm/Kbuild b/arch/ia64/include/asm/Kbuild index 562f59315847..4a159da23633 100644 --- a/arch/ia64/include/asm/Kbuild +++ b/arch/ia64/include/asm/Kbuild @@ -1,17 +1,3 @@ -include include/asm-generic/Kbuild.asm -header-y += break.h -header-y += cmpxchg.h -header-y += fpu.h -header-y += gcc_intrin.h -header-y += ia64regs.h -header-y += intel_intrin.h -header-y += intrinsics.h -header-y += perfmon.h -header-y += perfmon_default_smpl.h -header-y += ptrace_offsets.h -header-y += rse.h -header-y += ucontext.h -header-y += ustack.h generic-y += clkdev.h generic-y += exec.h diff --git a/arch/ia64/include/asm/gcc_intrin.h b/arch/ia64/include/asm/gcc_intrin.h index 21ddee54adae..f9495b1757a8 100644 --- a/arch/ia64/include/asm/gcc_intrin.h +++ b/arch/ia64/include/asm/gcc_intrin.h @@ -1,621 +1,12 @@ -#ifndef _ASM_IA64_GCC_INTRIN_H -#define _ASM_IA64_GCC_INTRIN_H /* * * Copyright (C) 2002,2003 Jun Nakajima <jun.nakajima@intel.com> * Copyright (C) 2002,2003 Suresh Siddha <suresh.b.siddha@intel.com> */ +#ifndef _ASM_IA64_GCC_INTRIN_H +#define _ASM_IA64_GCC_INTRIN_H -#include <linux/types.h> -#include <linux/compiler.h> - -/* define this macro to get some asm stmts included in 'c' files */ -#define ASM_SUPPORTED - -/* Optimization barrier */ -/* The "volatile" is due to gcc bugs */ -#define ia64_barrier() asm volatile ("":::"memory") - -#define ia64_stop() asm volatile (";;"::) - -#define ia64_invala_gr(regnum) asm volatile ("invala.e r%0" :: "i"(regnum)) - -#define ia64_invala_fr(regnum) asm volatile ("invala.e f%0" :: "i"(regnum)) - -#define ia64_flushrs() asm volatile ("flushrs;;":::"memory") - -#define ia64_loadrs() asm volatile ("loadrs;;":::"memory") - -extern void ia64_bad_param_for_setreg (void); -extern void ia64_bad_param_for_getreg (void); +#include <uapi/asm/gcc_intrin.h> -#ifdef __KERNEL__ register unsigned long ia64_r13 asm ("r13") __used; -#endif - -#define ia64_native_setreg(regnum, val) \ -({ \ - switch (regnum) { \ - case _IA64_REG_PSR_L: \ - asm volatile ("mov psr.l=%0" :: "r"(val) : "memory"); \ - break; \ - case _IA64_REG_AR_KR0 ... _IA64_REG_AR_EC: \ - asm volatile ("mov ar%0=%1" :: \ - "i" (regnum - _IA64_REG_AR_KR0), \ - "r"(val): "memory"); \ - break; \ - case _IA64_REG_CR_DCR ... _IA64_REG_CR_LRR1: \ - asm volatile ("mov cr%0=%1" :: \ - "i" (regnum - _IA64_REG_CR_DCR), \ - "r"(val): "memory" ); \ - break; \ - case _IA64_REG_SP: \ - asm volatile ("mov r12=%0" :: \ - "r"(val): "memory"); \ - break; \ - case _IA64_REG_GP: \ - asm volatile ("mov gp=%0" :: "r"(val) : "memory"); \ - break; \ - default: \ - ia64_bad_param_for_setreg(); \ - break; \ - } \ -}) - -#define ia64_native_getreg(regnum) \ -({ \ - __u64 ia64_intri_res; \ - \ - switch (regnum) { \ - case _IA64_REG_GP: \ - asm volatile ("mov %0=gp" : "=r"(ia64_intri_res)); \ - break; \ - case _IA64_REG_IP: \ - asm volatile ("mov %0=ip" : "=r"(ia64_intri_res)); \ - break; \ - case _IA64_REG_PSR: \ - asm volatile ("mov %0=psr" : "=r"(ia64_intri_res)); \ - break; \ - case _IA64_REG_TP: /* for current() */ \ - ia64_intri_res = ia64_r13; \ - break; \ - case _IA64_REG_AR_KR0 ... _IA64_REG_AR_EC: \ - asm volatile ("mov %0=ar%1" : "=r" (ia64_intri_res) \ - : "i"(regnum - _IA64_REG_AR_KR0)); \ - break; \ - case _IA64_REG_CR_DCR ... _IA64_REG_CR_LRR1: \ - asm volatile ("mov %0=cr%1" : "=r" (ia64_intri_res) \ - : "i" (regnum - _IA64_REG_CR_DCR)); \ - break; \ - case _IA64_REG_SP: \ - asm volatile ("mov %0=sp" : "=r" (ia64_intri_res)); \ - break; \ - default: \ - ia64_bad_param_for_getreg(); \ - break; \ - } \ - ia64_intri_res; \ -}) - -#define ia64_hint_pause 0 - -#define ia64_hint(mode) \ -({ \ - switch (mode) { \ - case ia64_hint_pause: \ - asm volatile ("hint @pause" ::: "memory"); \ - break; \ - } \ -}) - - -/* Integer values for mux1 instruction */ -#define ia64_mux1_brcst 0 -#define ia64_mux1_mix 8 -#define ia64_mux1_shuf 9 -#define ia64_mux1_alt 10 -#define ia64_mux1_rev 11 - -#define ia64_mux1(x, mode) \ -({ \ - __u64 ia64_intri_res; \ - \ - switch (mode) { \ - case ia64_mux1_brcst: \ - asm ("mux1 %0=%1,@brcst" : "=r" (ia64_intri_res) : "r" (x)); \ - break; \ - case ia64_mux1_mix: \ - asm ("mux1 %0=%1,@mix" : "=r" (ia64_intri_res) : "r" (x)); \ - break; \ - case ia64_mux1_shuf: \ - asm ("mux1 %0=%1,@shuf" : "=r" (ia64_intri_res) : "r" (x)); \ - break; \ - case ia64_mux1_alt: \ - asm ("mux1 %0=%1,@alt" : "=r" (ia64_intri_res) : "r" (x)); \ - break; \ - case ia64_mux1_rev: \ - asm ("mux1 %0=%1,@rev" : "=r" (ia64_intri_res) : "r" (x)); \ - break; \ - } \ - ia64_intri_res; \ -}) - -#if __GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) -# define ia64_popcnt(x) __builtin_popcountl(x) -#else -# define ia64_popcnt(x) \ - ({ \ - __u64 ia64_intri_res; \ - asm ("popcnt %0=%1" : "=r" (ia64_intri_res) : "r" (x)); \ - \ - ia64_intri_res; \ - }) -#endif - -#define ia64_getf_exp(x) \ -({ \ - long ia64_intri_res; \ - \ - asm ("getf.exp %0=%1" : "=r"(ia64_intri_res) : "f"(x)); \ - \ - ia64_intri_res; \ -}) - -#define ia64_shrp(a, b, count) \ -({ \ - __u64 ia64_intri_res; \ - asm ("shrp %0=%1,%2,%3" : "=r"(ia64_intri_res) : "r"(a), "r"(b), "i"(count)); \ - ia64_intri_res; \ -}) - -#define ia64_ldfs(regnum, x) \ -({ \ - register double __f__ asm ("f"#regnum); \ - asm volatile ("ldfs %0=[%1]" :"=f"(__f__): "r"(x)); \ -}) - -#define ia64_ldfd(regnum, x) \ -({ \ - register double __f__ asm ("f"#regnum); \ - asm volatile ("ldfd %0=[%1]" :"=f"(__f__): "r"(x)); \ -}) - -#define ia64_ldfe(regnum, x) \ -({ \ - register double __f__ asm ("f"#regnum); \ - asm volatile ("ldfe %0=[%1]" :"=f"(__f__): "r"(x)); \ -}) - -#define ia64_ldf8(regnum, x) \ -({ \ - register double __f__ asm ("f"#regnum); \ - asm volatile ("ldf8 %0=[%1]" :"=f"(__f__): "r"(x)); \ -}) - -#define ia64_ldf_fill(regnum, x) \ -({ \ - register double __f__ asm ("f"#regnum); \ - asm volatile ("ldf.fill %0=[%1]" :"=f"(__f__): "r"(x)); \ -}) - -#define ia64_st4_rel_nta(m, val) \ -({ \ - asm volatile ("st4.rel.nta [%0] = %1\n\t" :: "r"(m), "r"(val)); \ -}) - -#define ia64_stfs(x, regnum) \ -({ \ - register double __f__ asm ("f"#regnum); \ - asm volatile ("stfs [%0]=%1" :: "r"(x), "f"(__f__) : "memory"); \ -}) - -#define ia64_stfd(x, regnum) \ -({ \ - register double __f__ asm ("f"#regnum); \ - asm volatile ("stfd [%0]=%1" :: "r"(x), "f"(__f__) : "memory"); \ -}) - -#define ia64_stfe(x, regnum) \ -({ \ - register double __f__ asm ("f"#regnum); \ - asm volatile ("stfe [%0]=%1" :: "r"(x), "f"(__f__) : "memory"); \ -}) - -#define ia64_stf8(x, regnum) \ -({ \ - register double __f__ asm ("f"#regnum); \ - asm volatile ("stf8 [%0]=%1" :: "r"(x), "f"(__f__) : "memory"); \ -}) - -#define ia64_stf_spill(x, regnum) \ -({ \ - register double __f__ asm ("f"#regnum); \ - asm volatile ("stf.spill [%0]=%1" :: "r"(x), "f"(__f__) : "memory"); \ -}) - -#define ia64_fetchadd4_acq(p, inc) \ -({ \ - \ - __u64 ia64_intri_res; \ - asm volatile ("fetchadd4.acq %0=[%1],%2" \ - : "=r"(ia64_intri_res) : "r"(p), "i" (inc) \ - : "memory"); \ - \ - ia64_intri_res; \ -}) - -#define ia64_fetchadd4_rel(p, inc) \ -({ \ - __u64 ia64_intri_res; \ - asm volatile ("fetchadd4.rel %0=[%1],%2" \ - : "=r"(ia64_intri_res) : "r"(p), "i" (inc) \ - : "memory"); \ - \ - ia64_intri_res; \ -}) - -#define ia64_fetchadd8_acq(p, inc) \ -({ \ - \ - __u64 ia64_intri_res; \ - asm volatile ("fetchadd8.acq %0=[%1],%2" \ - : "=r"(ia64_intri_res) : "r"(p), "i" (inc) \ - : "memory"); \ - \ - ia64_intri_res; \ -}) - -#define ia64_fetchadd8_rel(p, inc) \ -({ \ - __u64 ia64_intri_res; \ - asm volatile ("fetchadd8.rel %0=[%1],%2" \ - : "=r"(ia64_intri_res) : "r"(p), "i" (inc) \ - : "memory"); \ - \ - ia64_intri_res; \ -}) - -#define ia64_xchg1(ptr,x) \ -({ \ - __u64 ia64_intri_res; \ - asm volatile ("xchg1 %0=[%1],%2" \ - : "=r" (ia64_intri_res) : "r" (ptr), "r" (x) : "memory"); \ - ia64_intri_res; \ -}) - -#define ia64_xchg2(ptr,x) \ -({ \ - __u64 ia64_intri_res; \ - asm volatile ("xchg2 %0=[%1],%2" : "=r" (ia64_intri_res) \ - : "r" (ptr), "r" (x) : "memory"); \ - ia64_intri_res; \ -}) - -#define ia64_xchg4(ptr,x) \ -({ \ - __u64 ia64_intri_res; \ - asm volatile ("xchg4 %0=[%1],%2" : "=r" (ia64_intri_res) \ - : "r" (ptr), "r" (x) : "memory"); \ - ia64_intri_res; \ -}) - -#define ia64_xchg8(ptr,x) \ -({ \ - __u64 ia64_intri_res; \ - asm volatile ("xchg8 %0=[%1],%2" : "=r" (ia64_intri_res) \ - : "r" (ptr), "r" (x) : "memory"); \ - ia64_intri_res; \ -}) - -#define ia64_cmpxchg1_acq(ptr, new, old) \ -({ \ - __u64 ia64_intri_res; \ - asm volatile ("mov ar.ccv=%0;;" :: "rO"(old)); \ - asm volatile ("cmpxchg1.acq %0=[%1],%2,ar.ccv": \ - "=r"(ia64_intri_res) : "r"(ptr), "r"(new) : "memory"); \ - ia64_intri_res; \ -}) - -#define ia64_cmpxchg1_rel(ptr, new, old) \ -({ \ - __u64 ia64_intri_res; \ - asm volatile ("mov ar.ccv=%0;;" :: "rO"(old)); \ - asm volatile ("cmpxchg1.rel %0=[%1],%2,ar.ccv": \ - "=r"(ia64_intri_res) : "r"(ptr), "r"(new) : "memory"); \ - ia64_intri_res; \ -}) - -#define ia64_cmpxchg2_acq(ptr, new, old) \ -({ \ - __u64 ia64_intri_res; \ - asm volatile ("mov ar.ccv=%0;;" :: "rO"(old)); \ - asm volatile ("cmpxchg2.acq %0=[%1],%2,ar.ccv": \ - "=r"(ia64_intri_res) : "r"(ptr), "r"(new) : "memory"); \ - ia64_intri_res; \ -}) - -#define ia64_cmpxchg2_rel(ptr, new, old) \ -({ \ - __u64 ia64_intri_res; \ - asm volatile ("mov ar.ccv=%0;;" :: "rO"(old)); \ - \ - asm volatile ("cmpxchg2.rel %0=[%1],%2,ar.ccv": \ - "=r"(ia64_intri_res) : "r"(ptr), "r"(new) : "memory"); \ - ia64_intri_res; \ -}) - -#define ia64_cmpxchg4_acq(ptr, new, old) \ -({ \ - __u64 ia64_intri_res; \ - asm volatile ("mov ar.ccv=%0;;" :: "rO"(old)); \ - asm volatile ("cmpxchg4.acq %0=[%1],%2,ar.ccv": \ - "=r"(ia64_intri_res) : "r"(ptr), "r"(new) : "memory"); \ - ia64_intri_res; \ -}) - -#define ia64_cmpxchg4_rel(ptr, new, old) \ -({ \ - __u64 ia64_intri_res; \ - asm volatile ("mov ar.ccv=%0;;" :: "rO"(old)); \ - asm volatile ("cmpxchg4.rel %0=[%1],%2,ar.ccv": \ - "=r"(ia64_intri_res) : "r"(ptr), "r"(new) : "memory"); \ - ia64_intri_res; \ -}) - -#define ia64_cmpxchg8_acq(ptr, new, old) \ -({ \ - __u64 ia64_intri_res; \ - asm volatile ("mov ar.ccv=%0;;" :: "rO"(old)); \ - asm volatile ("cmpxchg8.acq %0=[%1],%2,ar.ccv": \ - "=r"(ia64_intri_res) : "r"(ptr), "r"(new) : "memory"); \ - ia64_intri_res; \ -}) - -#define ia64_cmpxchg8_rel(ptr, new, old) \ -({ \ - __u64 ia64_intri_res; \ - asm volatile ("mov ar.ccv=%0;;" :: "rO"(old)); \ - \ - asm volatile ("cmpxchg8.rel %0=[%1],%2,ar.ccv": \ - "=r"(ia64_intri_res) : "r"(ptr), "r"(new) : "memory"); \ - ia64_intri_res; \ -}) - -#define ia64_mf() asm volatile ("mf" ::: "memory") -#define ia64_mfa() asm volatile ("mf.a" ::: "memory") - -#define ia64_invala() asm volatile ("invala" ::: "memory") - -#define ia64_native_thash(addr) \ -({ \ - unsigned long ia64_intri_res; \ - asm volatile ("thash %0=%1" : "=r"(ia64_intri_res) : "r" (addr)); \ - ia64_intri_res; \ -}) - -#define ia64_srlz_i() asm volatile (";; srlz.i ;;" ::: "memory") -#define ia64_srlz_d() asm volatile (";; srlz.d" ::: "memory"); - -#ifdef HAVE_SERIALIZE_DIRECTIVE -# define ia64_dv_serialize_data() asm volatile (".serialize.data"); -# define ia64_dv_serialize_instruction() asm volatile (".serialize.instruction"); -#else -# define ia64_dv_serialize_data() -# define ia64_dv_serialize_instruction() -#endif - -#define ia64_nop(x) asm volatile ("nop %0"::"i"(x)); - -#define ia64_itci(addr) asm volatile ("itc.i %0;;" :: "r"(addr) : "memory") - -#define ia64_itcd(addr) asm volatile ("itc.d %0;;" :: "r"(addr) : "memory") - - -#define ia64_itri(trnum, addr) asm volatile ("itr.i itr[%0]=%1" \ - :: "r"(trnum), "r"(addr) : "memory") - -#define ia64_itrd(trnum, addr) asm volatile ("itr.d dtr[%0]=%1" \ - :: "r"(trnum), "r"(addr) : "memory") - -#define ia64_tpa(addr) \ -({ \ - unsigned long ia64_pa; \ - asm volatile ("tpa %0 = %1" : "=r"(ia64_pa) : "r"(addr) : "memory"); \ - ia64_pa; \ -}) - -#define __ia64_set_dbr(index, val) \ - asm volatile ("mov dbr[%0]=%1" :: "r"(index), "r"(val) : "memory") - -#define ia64_set_ibr(index, val) \ - asm volatile ("mov ibr[%0]=%1" :: "r"(index), "r"(val) : "memory") - -#define ia64_set_pkr(index, val) \ - asm volatile ("mov pkr[%0]=%1" :: "r"(index), "r"(val) : "memory") - -#define ia64_set_pmc(index, val) \ - asm volatile ("mov pmc[%0]=%1" :: "r"(index), "r"(val) : "memory") - -#define ia64_set_pmd(index, val) \ - asm volatile ("mov pmd[%0]=%1" :: "r"(index), "r"(val) : "memory") - -#define ia64_native_set_rr(index, val) \ - asm volatile ("mov rr[%0]=%1" :: "r"(index), "r"(val) : "memory"); - -#define ia64_native_get_cpuid(index) \ -({ \ - unsigned long ia64_intri_res; \ - asm volatile ("mov %0=cpuid[%r1]" : "=r"(ia64_intri_res) : "rO"(index)); \ - ia64_intri_res; \ -}) - -#define __ia64_get_dbr(index) \ -({ \ - unsigned long ia64_intri_res; \ - asm volatile ("mov %0=dbr[%1]" : "=r"(ia64_intri_res) : "r"(index)); \ - ia64_intri_res; \ -}) - -#define ia64_get_ibr(index) \ -({ \ - unsigned long ia64_intri_res; \ - asm volatile ("mov %0=ibr[%1]" : "=r"(ia64_intri_res) : "r"(index)); \ - ia64_intri_res; \ -}) - -#define ia64_get_pkr(index) \ -({ \ - unsigned long ia64_intri_res; \ - asm volatile ("mov %0=pkr[%1]" : "=r"(ia64_intri_res) : "r"(index)); \ - ia64_intri_res; \ -}) - -#define ia64_get_pmc(index) \ -({ \ - unsigned long ia64_intri_res; \ - asm volatile ("mov %0=pmc[%1]" : "=r"(ia64_intri_res) : "r"(index)); \ - ia64_intri_res; \ -}) - - -#define ia64_native_get_pmd(index) \ -({ \ - unsigned long ia64_intri_res; \ - asm volatile ("mov %0=pmd[%1]" : "=r"(ia64_intri_res) : "r"(index)); \ - ia64_intri_res; \ -}) - -#define ia64_native_get_rr(index) \ -({ \ - unsigned long ia64_intri_res; \ - asm volatile ("mov %0=rr[%1]" : "=r"(ia64_intri_res) : "r" (index)); \ - ia64_intri_res; \ -}) - -#define ia64_native_fc(addr) asm volatile ("fc %0" :: "r"(addr) : "memory") - - -#define ia64_sync_i() asm volatile (";; sync.i" ::: "memory") - -#define ia64_native_ssm(mask) asm volatile ("ssm %0":: "i"((mask)) : "memory") -#define ia64_native_rsm(mask) asm volatile ("rsm %0":: "i"((mask)) : "memory") -#define ia64_sum(mask) asm volatile ("sum %0":: "i"((mask)) : "memory") -#define ia64_rum(mask) asm volatile ("rum %0":: "i"((mask)) : "memory") - -#define ia64_ptce(addr) asm volatile ("ptc.e %0" :: "r"(addr)) - -#define ia64_native_ptcga(addr, size) \ -do { \ - asm volatile ("ptc.ga %0,%1" :: "r"(addr), "r"(size) : "memory"); \ - ia64_dv_serialize_data(); \ -} while (0) - -#define ia64_ptcl(addr, size) \ -do { \ - asm volatile ("ptc.l %0,%1" :: "r"(addr), "r"(size) : "memory"); \ - ia64_dv_serialize_data(); \ -} while (0) - -#define ia64_ptri(addr, size) \ - asm volatile ("ptr.i %0,%1" :: "r"(addr), "r"(size) : "memory") - -#define ia64_ptrd(addr, size) \ - asm volatile ("ptr.d %0,%1" :: "r"(addr), "r"(size) : "memory") - -#define ia64_ttag(addr) \ -({ \ - __u64 ia64_intri_res; \ - asm volatile ("ttag %0=%1" : "=r"(ia64_intri_res) : "r" (addr)); \ - ia64_intri_res; \ -}) - - -/* Values for lfhint in ia64_lfetch and ia64_lfetch_fault */ - -#define ia64_lfhint_none 0 -#define ia64_lfhint_nt1 1 -#define ia64_lfhint_nt2 2 -#define ia64_lfhint_nta 3 - -#define ia64_lfetch(lfhint, y) \ -({ \ - switch (lfhint) { \ - case ia64_lfhint_none: \ - asm volatile ("lfetch [%0]" : : "r"(y)); \ - break; \ - case ia64_lfhint_nt1: \ - asm volatile ("lfetch.nt1 [%0]" : : "r"(y)); \ - break; \ - case ia64_lfhint_nt2: \ - asm volatile ("lfetch.nt2 [%0]" : : "r"(y)); \ - break; \ - case ia64_lfhint_nta: \ - asm volatile ("lfetch.nta [%0]" : : "r"(y)); \ - break; \ - } \ -}) - -#define ia64_lfetch_excl(lfhint, y) \ -({ \ - switch (lfhint) { \ - case ia64_lfhint_none: \ - asm volatile ("lfetch.excl [%0]" :: "r"(y)); \ - break; \ - case ia64_lfhint_nt1: \ - asm volatile ("lfetch.excl.nt1 [%0]" :: "r"(y)); \ - break; \ - case ia64_lfhint_nt2: \ - asm volatile ("lfetch.excl.nt2 [%0]" :: "r"(y)); \ - break; \ - case ia64_lfhint_nta: \ - asm volatile ("lfetch.excl.nta [%0]" :: "r"(y)); \ - break; \ - } \ -}) - -#define ia64_lfetch_fault(lfhint, y) \ -({ \ - switch (lfhint) { \ - case ia64_lfhint_none: \ - asm volatile ("lfetch.fault [%0]" : : "r"(y)); \ - break; \ - case ia64_lfhint_nt1: \ - asm volatile ("lfetch.fault.nt1 [%0]" : : "r"(y)); \ - break; \ - case ia64_lfhint_nt2: \ - asm volatile ("lfetch.fault.nt2 [%0]" : : "r"(y)); \ - break; \ - case ia64_lfhint_nta: \ - asm volatile ("lfetch.fault.nta [%0]" : : "r"(y)); \ - break; \ - } \ -}) - -#define ia64_lfetch_fault_excl(lfhint, y) \ -({ \ - switch (lfhint) { \ - case ia64_lfhint_none: \ - asm volatile ("lfetch.fault.excl [%0]" :: "r"(y)); \ - break; \ - case ia64_lfhint_nt1: \ - asm volatile ("lfetch.fault.excl.nt1 [%0]" :: "r"(y)); \ - break; \ - case ia64_lfhint_nt2: \ - asm volatile ("lfetch.fault.excl.nt2 [%0]" :: "r"(y)); \ - break; \ - case ia64_lfhint_nta: \ - asm volatile ("lfetch.fault.excl.nta [%0]" :: "r"(y)); \ - break; \ - } \ -}) - -#define ia64_native_intrin_local_irq_restore(x) \ -do { \ - asm volatile (";; cmp.ne p6,p7=%0,r0;;" \ - "(p6) ssm psr.i;" \ - "(p7) rsm psr.i;;" \ - "(p6) srlz.d" \ - :: "r"((x)) : "p6", "p7", "memory"); \ -} while (0) - #endif /* _ASM_IA64_GCC_INTRIN_H */ diff --git a/arch/ia64/include/asm/intrinsics.h b/arch/ia64/include/asm/intrinsics.h index d129e367e764..20477ea111ba 100644 --- a/arch/ia64/include/asm/intrinsics.h +++ b/arch/ia64/include/asm/intrinsics.h @@ -1,99 +1,16 @@ -#ifndef _ASM_IA64_INTRINSICS_H -#define _ASM_IA64_INTRINSICS_H - /* * Compiler-dependent intrinsics. * * Copyright (C) 2002-2003 Hewlett-Packard Co * David Mosberger-Tang <davidm@hpl.hp.com> */ +#ifndef _ASM_IA64_INTRINSICS_H +#define _ASM_IA64_INTRINSICS_H -#ifndef __ASSEMBLY__ - -#include <linux/types.h> -/* include compiler specific intrinsics */ -#include <asm/ia64regs.h> -#ifdef __INTEL_COMPILER -# include <asm/intel_intrin.h> -#else -# include <asm/gcc_intrin.h> -#endif -#include <asm/cmpxchg.h> - -#define ia64_native_get_psr_i() (ia64_native_getreg(_IA64_REG_PSR) & IA64_PSR_I) - -#define ia64_native_set_rr0_to_rr4(val0, val1, val2, val3, val4) \ -do { \ - ia64_native_set_rr(0x0000000000000000UL, (val0)); \ - ia64_native_set_rr(0x2000000000000000UL, (val1)); \ - ia64_native_set_rr(0x4000000000000000UL, (val2)); \ - ia64_native_set_rr(0x6000000000000000UL, (val3)); \ - ia64_native_set_rr(0x8000000000000000UL, (val4)); \ -} while (0) - -/* - * Force an unresolved reference if someone tries to use - * ia64_fetch_and_add() with a bad value. - */ -extern unsigned long __bad_size_for_ia64_fetch_and_add (void); -extern unsigned long __bad_increment_for_ia64_fetch_and_add (void); - -#define IA64_FETCHADD(tmp,v,n,sz,sem) \ -({ \ - switch (sz) { \ - case 4: \ - tmp = ia64_fetchadd4_##sem((unsigned int *) v, n); \ - break; \ - \ - case 8: \ - tmp = ia64_fetchadd8_##sem((unsigned long *) v, n); \ - break; \ - \ - default: \ - __bad_size_for_ia64_fetch_and_add(); \ - } \ -}) - -#define ia64_fetchadd(i,v,sem) \ -({ \ - __u64 _tmp; \ - volatile __typeof__(*(v)) *_v = (v); \ - /* Can't use a switch () here: gcc isn't always smart enough for that... */ \ - if ((i) == -16) \ - IA64_FETCHADD(_tmp, _v, -16, sizeof(*(v)), sem); \ - else if ((i) == -8) \ - IA64_FETCHADD(_tmp, _v, -8, sizeof(*(v)), sem); \ - else if ((i) == -4) \ - IA64_FETCHADD(_tmp, _v, -4, sizeof(*(v)), sem); \ - else if ((i) == -1) \ - IA64_FETCHADD(_tmp, _v, -1, sizeof(*(v)), sem); \ - else if ((i) == 1) \ - IA64_FETCHADD(_tmp, _v, 1, sizeof(*(v)), sem); \ - else if ((i) == 4) \ - IA64_FETCHADD(_tmp, _v, 4, sizeof(*(v)), sem); \ - else if ((i) == 8) \ - IA64_FETCHADD(_tmp, _v, 8, sizeof(*(v)), sem); \ - else if ((i) == 16) \ - IA64_FETCHADD(_tmp, _v, 16, sizeof(*(v)), sem); \ - else \ - _tmp = __bad_increment_for_ia64_fetch_and_add(); \ - (__typeof__(*(v))) (_tmp); /* return old value */ \ -}) - -#define ia64_fetch_and_add(i,v) (ia64_fetchadd(i, v, rel) + (i)) /* return new value */ - -#endif - -#ifdef __KERNEL__ #include <asm/paravirt_privop.h> -#endif +#include <uapi/asm/intrinsics.h> #ifndef __ASSEMBLY__ - -#define IA64_INTRINSIC_API(name) ia64_native_ ## name -#define IA64_INTRINSIC_MACRO(name) ia64_native_ ## name - -#if defined(__KERNEL__) #if defined(CONFIG_PARAVIRT) # undef IA64_INTRINSIC_API # undef IA64_INTRINSIC_MACRO @@ -104,36 +21,5 @@ extern unsigned long __bad_increment_for_ia64_fetch_and_add (void); # endif #define IA64_INTRINSIC_MACRO(name) paravirt_ ## name #endif -#endif - -/************************************************/ -/* Instructions paravirtualized for correctness */ -/************************************************/ -/* fc, thash, get_cpuid, get_pmd, get_eflags, set_eflags */ -/* Note that "ttag" and "cover" are also privilege-sensitive; "ttag" - * is not currently used (though it may be in a long-format VHPT system!) - */ -#define ia64_fc IA64_INTRINSIC_API(fc) -#define ia64_thash IA64_INTRINSIC_API(thash) -#define ia64_get_cpuid IA64_INTRINSIC_API(get_cpuid) -#define ia64_get_pmd IA64_INTRINSIC_API(get_pmd) - - -/************************************************/ -/* Instructions paravirtualized for performance */ -/************************************************/ -#define ia64_ssm IA64_INTRINSIC_MACRO(ssm) -#define ia64_rsm IA64_INTRINSIC_MACRO(rsm) -#define ia64_getreg IA64_INTRINSIC_MACRO(getreg) -#define ia64_setreg IA64_INTRINSIC_API(setreg) -#define ia64_set_rr IA64_INTRINSIC_API(set_rr) -#define ia64_get_rr IA64_INTRINSIC_API(get_rr) -#define ia64_ptcga IA64_INTRINSIC_API(ptcga) -#define ia64_get_psr_i IA64_INTRINSIC_API(get_psr_i) -#define ia64_intrin_local_irq_restore \ - IA64_INTRINSIC_API(intrin_local_irq_restore) -#define ia64_set_rr0_to_rr4 IA64_INTRINSIC_API(set_rr0_to_rr4) - #endif /* !__ASSEMBLY__ */ - #endif /* _ASM_IA64_INTRINSICS_H */ diff --git a/arch/ia64/include/asm/kvm_para.h b/arch/ia64/include/asm/kvm_para.h index 2019cb99335e..47c00f910434 100644 --- a/arch/ia64/include/asm/kvm_para.h +++ b/arch/ia64/include/asm/kvm_para.h @@ -1,6 +1,3 @@ -#ifndef __IA64_KVM_PARA_H -#define __IA64_KVM_PARA_H - /* * Copyright (C) 2007 Xiantao Zhang <xiantao.zhang@intel.com> * @@ -18,8 +15,11 @@ * Place - Suite 330, Boston, MA 02111-1307 USA. * */ +#ifndef __IA64_KVM_PARA_H +#define __IA64_KVM_PARA_H + +#include <uapi/asm/kvm_para.h> -#ifdef __KERNEL__ static inline unsigned int kvm_arch_para_features(void) { @@ -32,5 +32,3 @@ static inline bool kvm_check_and_clear_guest_paused(void) } #endif - -#endif diff --git a/arch/ia64/include/asm/mman.h b/arch/ia64/include/asm/mman.h index 4459028e5aa8..fdd5f5229f78 100644 --- a/arch/ia64/include/asm/mman.h +++ b/arch/ia64/include/asm/mman.h @@ -1,23 +1,17 @@ -#ifndef _ASM_IA64_MMAN_H -#define _ASM_IA64_MMAN_H - /* * Based on <asm-i386/mman.h>. * * Modified 1998-2000, 2002 * David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co */ +#ifndef _ASM_IA64_MMAN_H +#define _ASM_IA64_MMAN_H -#include <asm-generic/mman.h> - -#define MAP_GROWSUP 0x0200 /* register stack-like segment */ +#include <uapi/asm/mman.h> -#ifdef __KERNEL__ #ifndef __ASSEMBLY__ #define arch_mmap_check ia64_mmap_check int ia64_mmap_check(unsigned long addr, unsigned long len, unsigned long flags); #endif -#endif - #endif /* _ASM_IA64_MMAN_H */ diff --git a/arch/ia64/include/asm/param.h b/arch/ia64/include/asm/param.h index 0964c32c1358..1295913d6a82 100644 --- a/arch/ia64/include/asm/param.h +++ b/arch/ia64/include/asm/param.h @@ -1,6 +1,3 @@ -#ifndef _ASM_IA64_PARAM_H -#define _ASM_IA64_PARAM_H - /* * Fundamental kernel parameters. * @@ -9,25 +6,12 @@ * Modified 1998, 1999, 2002-2003 * David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co */ +#ifndef _ASM_IA64_PARAM_H +#define _ASM_IA64_PARAM_H -#define EXEC_PAGESIZE 65536 - -#ifndef NOGROUP -# define NOGROUP (-1) -#endif - -#define MAXHOSTNAMELEN 64 /* max length of hostname */ +#include <uapi/asm/param.h> -#ifdef __KERNEL__ # define HZ CONFIG_HZ # define USER_HZ HZ # define CLOCKS_PER_SEC HZ /* frequency at which times() counts */ -#else - /* - * Technically, this is wrong, but some old apps still refer to it. The proper way to - * get the HZ value is via sysconf(_SC_CLK_TCK). - */ -# define HZ 1024 -#endif - #endif /* _ASM_IA64_PARAM_H */ diff --git a/arch/ia64/include/asm/perfmon.h b/arch/ia64/include/asm/perfmon.h index d551183fee90..15476dd3a8b0 100644 --- a/arch/ia64/include/asm/perfmon.h +++ b/arch/ia64/include/asm/perfmon.h @@ -2,179 +2,12 @@ * Copyright (C) 2001-2003 Hewlett-Packard Co * Stephane Eranian <eranian@hpl.hp.com> */ - #ifndef _ASM_IA64_PERFMON_H #define _ASM_IA64_PERFMON_H -/* - * perfmon commands supported on all CPU models - */ -#define PFM_WRITE_PMCS 0x01 -#define PFM_WRITE_PMDS 0x02 -#define PFM_READ_PMDS 0x03 -#define PFM_STOP 0x04 -#define PFM_START 0x05 -#define PFM_ENABLE 0x06 /* obsolete */ -#define PFM_DISABLE 0x07 /* obsolete */ -#define PFM_CREATE_CONTEXT 0x08 -#define PFM_DESTROY_CONTEXT 0x09 /* obsolete use close() */ -#define PFM_RESTART 0x0a -#define PFM_PROTECT_CONTEXT 0x0b /* obsolete */ -#define PFM_GET_FEATURES 0x0c -#define PFM_DEBUG 0x0d -#define PFM_UNPROTECT_CONTEXT 0x0e /* obsolete */ -#define PFM_GET_PMC_RESET_VAL 0x0f -#define PFM_LOAD_CONTEXT 0x10 -#define PFM_UNLOAD_CONTEXT 0x11 - -/* - * PMU model specific commands (may not be supported on all PMU models) - */ -#define PFM_WRITE_IBRS 0x20 -#define PFM_WRITE_DBRS 0x21 - -/* - * context flags - */ -#define PFM_FL_NOTIFY_BLOCK 0x01 /* block task on user level notifications */ -#define PFM_FL_SYSTEM_WIDE 0x02 /* create a system wide context */ -#define PFM_FL_OVFL_NO_MSG 0x80 /* do not post overflow/end messages for notification */ - -/* - * event set flags - */ -#define PFM_SETFL_EXCL_IDLE 0x01 /* exclude idle task (syswide only) XXX: DO NOT USE YET */ - -/* - * PMC flags - */ -#define PFM_REGFL_OVFL_NOTIFY 0x1 /* send notification on overflow */ -#define PFM_REGFL_RANDOM 0x2 /* randomize sampling interval */ - -/* - * PMD/PMC/IBR/DBR return flags (ignored on input) - * - * Those flags are used on output and must be checked in case EAGAIN is returned - * by any of the calls using a pfarg_reg_t or pfarg_dbreg_t structure. - */ -#define PFM_REG_RETFL_NOTAVAIL (1UL<<31) /* set if register is implemented but not available */ -#define PFM_REG_RETFL_EINVAL (1UL<<30) /* set if register entry is invalid */ -#define PFM_REG_RETFL_MASK (PFM_REG_RETFL_NOTAVAIL|PFM_REG_RETFL_EINVAL) - -#define PFM_REG_HAS_ERROR(flag) (((flag) & PFM_REG_RETFL_MASK) != 0) - -typedef unsigned char pfm_uuid_t[16]; /* custom sampling buffer identifier type */ - -/* - * Request structure used to define a context - */ -typedef struct { - pfm_uuid_t ctx_smpl_buf_id; /* which buffer format to use (if needed) */ - unsigned long ctx_flags; /* noblock/block */ - unsigned short ctx_nextra_sets; /* number of extra event sets (you always get 1) */ - unsigned short ctx_reserved1; /* for future use */ - int ctx_fd; /* return arg: unique identification for context */ - void *ctx_smpl_vaddr; /* return arg: virtual address of sampling buffer, is used */ - unsigned long ctx_reserved2[11];/* for future use */ -} pfarg_context_t; - -/* - * Request structure used to write/read a PMC or PMD - */ -typedef struct { - unsigned int reg_num; /* which register */ - unsigned short reg_set; /* event set for this register */ - unsigned short reg_reserved1; /* for future use */ - - unsigned long reg_value; /* initial pmc/pmd value */ - unsigned long reg_flags; /* input: pmc/pmd flags, return: reg error */ - - unsigned long reg_long_reset; /* reset after buffer overflow notification */ - unsigned long reg_short_reset; /* reset after counter overflow */ - - unsigned long reg_reset_pmds[4]; /* which other counters to reset on overflow */ - unsigned long reg_random_seed; /* seed value when randomization is used */ - unsigned long reg_random_mask; /* bitmask used to limit random value */ - unsigned long reg_last_reset_val;/* return: PMD last reset value */ - - unsigned long reg_smpl_pmds[4]; /* which pmds are accessed when PMC overflows */ - unsigned long reg_smpl_eventid; /* opaque sampling event identifier */ - - unsigned long reg_reserved2[3]; /* for future use */ -} pfarg_reg_t; - -typedef struct { - unsigned int dbreg_num; /* which debug register */ - unsigned short dbreg_set; /* event set for this register */ - unsigned short dbreg_reserved1; /* for future use */ - unsigned long dbreg_value; /* value for debug register */ - unsigned long dbreg_flags; /* return: dbreg error */ - unsigned long dbreg_reserved2[1]; /* for future use */ -} pfarg_dbreg_t; - -typedef struct { - unsigned int ft_version; /* perfmon: major [16-31], minor [0-15] */ - unsigned int ft_reserved; /* reserved for future use */ - unsigned long reserved[4]; /* for future use */ -} pfarg_features_t; - -typedef struct { - pid_t load_pid; /* process to load the context into */ - unsigned short load_set; /* first event set to load */ - unsigned short load_reserved1; /* for future use */ - unsigned long load_reserved2[3]; /* for future use */ -} pfarg_load_t; - -typedef struct { - int msg_type; /* generic message header */ - int msg_ctx_fd; /* generic message header */ - unsigned long msg_ovfl_pmds[4]; /* which PMDs overflowed */ - unsigned short msg_active_set; /* active set at the time of overflow */ - unsigned short msg_reserved1; /* for future use */ - unsigned int msg_reserved2; /* for future use */ - unsigned long msg_tstamp; /* for perf tuning/debug */ -} pfm_ovfl_msg_t; - -typedef struct { - int msg_type; /* generic message header */ - int msg_ctx_fd; /* generic message header */ - unsigned long msg_tstamp; /* for perf tuning */ -} pfm_end_msg_t; - -typedef struct { - int msg_type; /* type of the message */ - int msg_ctx_fd; /* unique identifier for the context */ - unsigned long msg_tstamp; /* for perf tuning */ -} pfm_gen_msg_t; - -#define PFM_MSG_OVFL 1 /* an overflow happened */ -#define PFM_MSG_END 2 /* task to which context was attached ended */ - -typedef union { - pfm_ovfl_msg_t pfm_ovfl_msg; - pfm_end_msg_t pfm_end_msg; - pfm_gen_msg_t pfm_gen_msg; -} pfm_msg_t; - -/* - * Define the version numbers for both perfmon as a whole and the sampling buffer format. - */ -#define PFM_VERSION_MAJ 2U -#define PFM_VERSION_MIN 0U -#define PFM_VERSION (((PFM_VERSION_MAJ&0xffff)<<16)|(PFM_VERSION_MIN & 0xffff)) -#define PFM_VERSION_MAJOR(x) (((x)>>16) & 0xffff) -#define PFM_VERSION_MINOR(x) ((x) & 0xffff) +#include <uapi/asm/perfmon.h> -/* - * miscellaneous architected definitions - */ -#define PMU_FIRST_COUNTER 4 /* first counting monitor (PMC/PMD) */ -#define PMU_MAX_PMCS 256 /* maximum architected number of PMC registers */ -#define PMU_MAX_PMDS 256 /* maximum architected number of PMD registers */ - -#ifdef __KERNEL__ - extern long perfmonctl(int fd, int cmd, void *arg, int narg); typedef struct { @@ -274,6 +107,4 @@ typedef struct { extern pfm_sysctl_t pfm_sysctl; -#endif /* __KERNEL__ */ - #endif /* _ASM_IA64_PERFMON_H */ diff --git a/arch/ia64/include/asm/ptrace.h b/arch/ia64/include/asm/ptrace.h index 68c98f5b3ca6..b0e973649cb9 100644 --- a/arch/ia64/include/asm/ptrace.h +++ b/arch/ia64/include/asm/ptrace.h @@ -1,6 +1,3 @@ -#ifndef _ASM_IA64_PTRACE_H -#define _ASM_IA64_PTRACE_H - /* * Copyright (C) 1998-2004 Hewlett-Packard Co * David Mosberger-Tang <davidm@hpl.hp.com> @@ -15,52 +12,13 @@ * 6/17/99 D. Mosberger added second unat member to "struct switch_stack" * */ -/* - * When a user process is blocked, its state looks as follows: - * - * +----------------------+ ------- IA64_STK_OFFSET - * | | ^ - * | struct pt_regs | | - * | | | - * +----------------------+ | - * | | | - * | memory stack | | - * | (growing downwards) | | - * //.....................// | - * | - * //.....................// | - * | | | - * +----------------------+ | - * | struct switch_stack | | - * | | | - * +----------------------+ | - * | | | - * //.....................// | - * | - * //.....................// | - * | | | - * | register stack | | - * | (growing upwards) | | - * | | | - * +----------------------+ | --- IA64_RBS_OFFSET - * | struct thread_info | | ^ - * +----------------------+ | | - * | | | | - * | struct task_struct | | | - * current -> | | | | - * +----------------------+ ------- - * - * Note that ar.ec is not saved explicitly in pt_reg or switch_stack. - * This is because ar.ec is saved as part of ar.pfs. - */ - - -#include <asm/fpu.h> +#ifndef _ASM_IA64_PTRACE_H +#define _ASM_IA64_PTRACE_H -#ifdef __KERNEL__ #ifndef ASM_OFFSETS_C #include <asm/asm-offsets.h> #endif +#include <uapi/asm/ptrace.h> /* * Base-2 logarithm of number of pages to allocate per task structure @@ -81,155 +39,8 @@ #define KERNEL_STACK_SIZE IA64_STK_OFFSET -#endif /* __KERNEL__ */ - #ifndef __ASSEMBLY__ -/* - * This struct defines the way the registers are saved on system - * calls. - * - * We don't save all floating point register because the kernel - * is compiled to use only a very small subset, so the other are - * untouched. - * - * THIS STRUCTURE MUST BE A MULTIPLE 16-BYTE IN SIZE - * (because the memory stack pointer MUST ALWAYS be aligned this way) - * - */ -struct pt_regs { - /* The following registers are saved by SAVE_MIN: */ - unsigned long b6; /* scratch */ - unsigned long b7; /* scratch */ - - unsigned long ar_csd; /* used by cmp8xchg16 (scratch) */ - unsigned long ar_ssd; /* reserved for future use (scratch) */ - - unsigned long r8; /* scratch (return value register 0) */ - unsigned long r9; /* scratch (return value register 1) */ - unsigned long r10; /* scratch (return value register 2) */ - unsigned long r11; /* scratch (return value register 3) */ - - unsigned long cr_ipsr; /* interrupted task's psr */ - unsigned long cr_iip; /* interrupted task's instruction pointer */ - /* - * interrupted task's function state; if bit 63 is cleared, it - * contains syscall's ar.pfs.pfm: - */ - unsigned long cr_ifs; - - unsigned long ar_unat; /* interrupted task's NaT register (preserved) */ - unsigned long ar_pfs; /* prev function state */ - unsigned long ar_rsc; /* RSE configuration */ - /* The following two are valid only if cr_ipsr.cpl > 0 || ti->flags & _TIF_MCA_INIT */ - unsigned long ar_rnat; /* RSE NaT */ - unsigned long ar_bspstore; /* RSE bspstore */ - - unsigned long pr; /* 64 predicate registers (1 bit each) */ - unsigned long b0; /* return pointer (bp) */ - unsigned long loadrs; /* size of dirty partition << 16 */ - - unsigned long r1; /* the gp pointer */ - unsigned long r12; /* interrupted task's memory stack pointer */ - unsigned long r13; /* thread pointer */ - - unsigned long ar_fpsr; /* floating point status (preserved) */ - unsigned long r15; /* scratch */ - - /* The remaining registers are NOT saved for system calls. */ - - unsigned long r14; /* scratch */ - unsigned long r2; /* scratch */ - unsigned long r3; /* scratch */ - - /* The following registers are saved by SAVE_REST: */ - unsigned long r16; /* scratch */ - unsigned long r17; /* scratch */ - unsigned long r18; /* scratch */ - unsigned long r19; /* scratch */ - unsigned long r20; /* scratch */ - unsigned long r21; /* scratch */ - unsigned long r22; /* scratch */ - unsigned long r23; /* scratch */ - unsigned long r24; /* scratch */ - unsigned long r25; /* scratch */ - unsigned long r26; /* scratch */ - unsigned long r27; /* scratch */ - unsigned long r28; /* scratch */ - unsigned long r29; /* scratch */ - unsigned long r30; /* scratch */ - unsigned long r31; /* scratch */ - - unsigned long ar_ccv; /* compare/exchange value (scratch) */ - - /* - * Floating point registers that the kernel considers scratch: - */ - struct ia64_fpreg f6; /* scratch */ - struct ia64_fpreg f7; /* scratch */ - struct ia64_fpreg f8; /* scratch */ - struct ia64_fpreg f9; /* scratch */ - struct ia64_fpreg f10; /* scratch */ - struct ia64_fpreg f11; /* scratch */ -}; - -/* - * This structure contains the addition registers that need to - * preserved across a context switch. This generally consists of - * "preserved" registers. - */ -struct switch_stack { - unsigned long caller_unat; /* user NaT collection register (preserved) */ - unsigned long ar_fpsr; /* floating-point status register */ - - struct ia64_fpreg f2; /* preserved */ - struct ia64_fpreg f3; /* preserved */ - struct ia64_fpreg f4; /* preserved */ - struct ia64_fpreg f5; /* preserved */ - - struct ia64_fpreg f12; /* scratch, but untouched by kernel */ - struct ia64_fpreg f13; /* scratch, but untouched by kernel */ - struct ia64_fpreg f14; /* scratch, but untouched by kernel */ - struct ia64_fpreg f15; /* scratch, but untouched by kernel */ - struct ia64_fpreg f16; /* preserved */ - struct ia64_fpreg f17; /* preserved */ - struct ia64_fpreg f18; /* preserved */ - struct ia64_fpreg f19; /* preserved */ - struct ia64_fpreg f20; /* preserved */ - struct ia64_fpreg f21; /* preserved */ - struct ia64_fpreg f22; /* preserved */ - struct ia64_fpreg f23; /* preserved */ - struct ia64_fpreg f24; /* preserved */ - struct ia64_fpreg f25; /* preserved */ - struct ia64_fpreg f26; /* preserved */ - struct ia64_fpreg f27; /* preserved */ - struct ia64_fpreg f28; /* preserved */ - struct ia64_fpreg f29; /* preserved */ - struct ia64_fpreg f30; /* preserved */ - struct ia64_fpreg f31; /* preserved */ - - unsigned long r4; /* preserved */ - unsigned long r5; /* preserved */ - unsigned long r6; /* preserved */ - unsigned long r7; /* preserved */ - - unsigned long b0; /* so we can force a direct return in copy_thread */ - unsigned long b1; - unsigned long b2; - unsigned long b3; - unsigned long b4; - unsigned long b5; - - unsigned long ar_pfs; /* previous function state */ - unsigned long ar_lc; /* loop counter (preserved) */ - unsigned long ar_unat; /* NaT bits for r4-r7 */ - unsigned long ar_rnat; /* RSE NaT collection register */ - unsigned long ar_bspstore; /* RSE dirty base (preserved) */ - unsigned long pr; /* 64 predicate registers (1 bit each) */ -}; - -#ifdef __KERNEL__ - #include <asm/current.h> #include <asm/page.h> @@ -331,46 +142,5 @@ static inline long regs_return_value(struct pt_regs *regs) #define arch_has_single_step() (1) #define arch_has_block_step() (1) -#endif /* !__KERNEL__ */ - -/* pt_all_user_regs is used for PTRACE_GETREGS PTRACE_SETREGS */ -struct pt_all_user_regs { - unsigned long nat; - unsigned long cr_iip; - unsigned long cfm; - unsigned long cr_ipsr; - unsigned long pr; - - unsigned long gr[32]; - unsigned long br[8]; - unsigned long ar[128]; - struct ia64_fpreg fr[128]; -}; - #endif /* !__ASSEMBLY__ */ - -/* indices to application-registers array in pt_all_user_regs */ -#define PT_AUR_RSC 16 -#define PT_AUR_BSP 17 -#define PT_AUR_BSPSTORE 18 -#define PT_AUR_RNAT 19 -#define PT_AUR_CCV 32 -#define PT_AUR_UNAT 36 -#define PT_AUR_FPSR 40 -#define PT_AUR_PFS 64 -#define PT_AUR_LC 65 -#define PT_AUR_EC 66 - -/* - * The numbers chosen here are somewhat arbitrary but absolutely MUST - * not overlap with any of the number assigned in <linux/ptrace.h>. - */ -#define PTRACE_SINGLEBLOCK 12 /* resume execution until next branch */ -#define PTRACE_OLD_GETSIGINFO 13 /* (replaced by PTRACE_GETSIGINFO in <linux/ptrace.h>) */ -#define PTRACE_OLD_SETSIGINFO 14 /* (replaced by PTRACE_SETSIGINFO in <linux/ptrace.h>) */ -#define PTRACE_GETREGS 18 /* get all registers (pt_all_user_regs) in one shot */ -#define PTRACE_SETREGS 19 /* set all registers (pt_all_user_regs) in one shot */ - -#define PTRACE_OLDSETOPTIONS 21 - #endif /* _ASM_IA64_PTRACE_H */ diff --git a/arch/ia64/include/asm/siginfo.h b/arch/ia64/include/asm/siginfo.h index c8fcaa2ac48f..6f2e2dd0f28f 100644 --- a/arch/ia64/include/asm/siginfo.h +++ b/arch/ia64/include/asm/siginfo.h @@ -1,124 +1,14 @@ -#ifndef _ASM_IA64_SIGINFO_H -#define _ASM_IA64_SIGINFO_H - /* * Based on <asm-i386/siginfo.h>. * * Modified 1998-2002 * David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co */ +#ifndef _ASM_IA64_SIGINFO_H +#define _ASM_IA64_SIGINFO_H -#define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int)) - -#define HAVE_ARCH_SIGINFO_T -#define HAVE_ARCH_COPY_SIGINFO -#define HAVE_ARCH_COPY_SIGINFO_TO_USER - -#include <asm-generic/siginfo.h> - -typedef struct siginfo { - int si_signo; - int si_errno; - int si_code; - int __pad0; - - union { - int _pad[SI_PAD_SIZE]; - - /* kill() */ - struct { - pid_t _pid; /* sender's pid */ - uid_t _uid; /* sender's uid */ - } _kill; - - /* POSIX.1b timers */ - struct { - timer_t _tid; /* timer id */ - int _overrun; /* overrun count */ - char _pad[sizeof(__ARCH_SI_UID_T) - sizeof(int)]; - sigval_t _sigval; /* must overlay ._rt._sigval! */ - int _sys_private; /* not to be passed to user */ - } _timer; - - /* POSIX.1b signals */ - struct { - pid_t _pid; /* sender's pid */ - uid_t _uid; /* sender's uid */ - sigval_t _sigval; - } _rt; - - /* SIGCHLD */ - struct { - pid_t _pid; /* which child */ - uid_t _uid; /* sender's uid */ - int _status; /* exit code */ - clock_t _utime; - clock_t _stime; - } _sigchld; - - /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */ - struct { - void __user *_addr; /* faulting insn/memory ref. */ - int _imm; /* immediate value for "break" */ - unsigned int _flags; /* see below */ - unsigned long _isr; /* isr */ - short _addr_lsb; /* lsb of faulting address */ - } _sigfault; - - /* SIGPOLL */ - struct { - long _band; /* POLL_IN, POLL_OUT, POLL_MSG (XPG requires a "long") */ - int _fd; - } _sigpoll; - } _sifields; -} siginfo_t; - -#define si_imm _sifields._sigfault._imm /* as per UNIX SysV ABI spec */ -#define si_flags _sifields._sigfault._flags -/* - * si_isr is valid for SIGILL, SIGFPE, SIGSEGV, SIGBUS, and SIGTRAP provided that - * si_code is non-zero and __ISR_VALID is set in si_flags. - */ -#define si_isr _sifields._sigfault._isr - -/* - * Flag values for si_flags: - */ -#define __ISR_VALID_BIT 0 -#define __ISR_VALID (1 << __ISR_VALID_BIT) - -/* - * SIGILL si_codes - */ -#define ILL_BADIADDR (__SI_FAULT|9) /* unimplemented instruction address */ -#define __ILL_BREAK (__SI_FAULT|10) /* illegal break */ -#define __ILL_BNDMOD (__SI_FAULT|11) /* bundle-update (modification) in progress */ -#undef NSIGILL -#define NSIGILL 11 - -/* - * SIGFPE si_codes - */ -#define __FPE_DECOVF (__SI_FAULT|9) /* decimal overflow */ -#define __FPE_DECDIV (__SI_FAULT|10) /* decimal division by zero */ -#define __FPE_DECERR (__SI_FAULT|11) /* packed decimal error */ -#define __FPE_INVASC (__SI_FAULT|12) /* invalid ASCII digit */ -#define __FPE_INVDEC (__SI_FAULT|13) /* invalid decimal digit */ -#undef NSIGFPE -#define NSIGFPE 13 - -/* - * SIGSEGV si_codes - */ -#define __SEGV_PSTKOVF (__SI_FAULT|3) /* paragraph stack overflow */ -#undef NSIGSEGV -#define NSIGSEGV 3 - -#undef NSIGTRAP -#define NSIGTRAP 4 - -#ifdef __KERNEL__ #include <linux/string.h> +#include <uapi/asm/siginfo.h> static inline void copy_siginfo (siginfo_t *to, siginfo_t *from) @@ -130,6 +20,4 @@ copy_siginfo (siginfo_t *to, siginfo_t *from) memcpy(to, from, 4*sizeof(int) + sizeof(from->_sifields._sigchld)); } -#endif /* __KERNEL__ */ - #endif /* _ASM_IA64_SIGINFO_H */ diff --git a/arch/ia64/include/asm/signal.h b/arch/ia64/include/asm/signal.h index b166248d49a4..aecda5b9eb4e 100644 --- a/arch/ia64/include/asm/signal.h +++ b/arch/ia64/include/asm/signal.h @@ -1,6 +1,3 @@ -#ifndef _ASM_IA64_SIGNAL_H -#define _ASM_IA64_SIGNAL_H - /* * Modified 1998-2001, 2003 * David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co @@ -8,129 +5,18 @@ * Unfortunately, this file is being included by bits/signal.h in * glibc-2.x. Hence the #ifdef __KERNEL__ ugliness. */ +#ifndef _ASM_IA64_SIGNAL_H +#define _ASM_IA64_SIGNAL_H -#define SIGHUP 1 -#define SIGINT 2 -#define SIGQUIT 3 -#define SIGILL 4 -#define SIGTRAP 5 -#define SIGABRT 6 -#define SIGIOT 6 -#define SIGBUS 7 -#define SIGFPE 8 -#define SIGKILL 9 -#define SIGUSR1 10 -#define SIGSEGV 11 -#define SIGUSR2 12 -#define SIGPIPE 13 -#define SIGALRM 14 -#define SIGTERM 15 -#define SIGSTKFLT 16 -#define SIGCHLD 17 -#define SIGCONT 18 -#define SIGSTOP 19 -#define SIGTSTP 20 -#define SIGTTIN 21 -#define SIGTTOU 22 -#define SIGURG 23 -#define SIGXCPU 24 -#define SIGXFSZ 25 -#define SIGVTALRM 26 -#define SIGPROF 27 -#define SIGWINCH 28 -#define SIGIO 29 -#define SIGPOLL SIGIO -/* -#define SIGLOST 29 -*/ -#define SIGPWR 30 -#define SIGSYS 31 -/* signal 31 is no longer "unused", but the SIGUNUSED macro remains for backwards compatibility */ -#define SIGUNUSED 31 - -/* These should not be considered constants from userland. */ -#define SIGRTMIN 32 -#define SIGRTMAX _NSIG - -/* - * SA_FLAGS values: - * - * SA_ONSTACK indicates that a registered stack_t will be used. - * SA_RESTART flag to get restarting signals (which were the default long ago) - * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. - * SA_RESETHAND clears the handler when the signal is delivered. - * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. - * SA_NODEFER prevents the current signal from being masked in the handler. - * - * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single - * Unix names RESETHAND and NODEFER respectively. - */ -#define SA_NOCLDSTOP 0x00000001 -#define SA_NOCLDWAIT 0x00000002 -#define SA_SIGINFO 0x00000004 -#define SA_ONSTACK 0x08000000 -#define SA_RESTART 0x10000000 -#define SA_NODEFER 0x40000000 -#define SA_RESETHAND 0x80000000 - -#define SA_NOMASK SA_NODEFER -#define SA_ONESHOT SA_RESETHAND - -#define SA_RESTORER 0x04000000 - -/* - * sigaltstack controls - */ -#define SS_ONSTACK 1 -#define SS_DISABLE 2 - -/* - * The minimum stack size needs to be fairly large because we want to - * be sure that an app compiled for today's CPUs will continue to run - * on all future CPU models. The CPU model matters because the signal - * frame needs to have space for the complete machine state, including - * all physical stacked registers. The number of physical stacked - * registers is CPU model dependent, but given that the width of - * ar.rsc.loadrs is 14 bits, we can assume that they'll never take up - * more than 16KB of space. - */ -#if 1 - /* - * This is a stupid typo: the value was _meant_ to be 131072 (0x20000), but I typed it - * in wrong. ;-( To preserve backwards compatibility, we leave the kernel at the - * incorrect value and fix libc only. - */ -# define MINSIGSTKSZ 131027 /* min. stack size for sigaltstack() */ -#else -# define MINSIGSTKSZ 131072 /* min. stack size for sigaltstack() */ -#endif -#define SIGSTKSZ 262144 /* default stack size for sigaltstack() */ +#include <uapi/asm/signal.h> -#ifdef __KERNEL__ #define _NSIG 64 #define _NSIG_BPW 64 #define _NSIG_WORDS (_NSIG / _NSIG_BPW) -#endif /* __KERNEL__ */ - -#include <asm-generic/signal-defs.h> - # ifndef __ASSEMBLY__ -# include <linux/types.h> - -/* Avoid too many header ordering problems. */ -struct siginfo; - -typedef struct sigaltstack { - void __user *ss_sp; - int ss_flags; - size_t ss_size; -} stack_t; - -#ifdef __KERNEL__ - /* Most things should be clean enough to redefine this at will, if care is taken to make libc match. */ @@ -154,7 +40,5 @@ struct k_sigaction { #define ptrace_signal_deliver(regs, cookie) do { } while (0) -#endif /* __KERNEL__ */ - # endif /* !__ASSEMBLY__ */ #endif /* _ASM_IA64_SIGNAL_H */ diff --git a/arch/ia64/include/asm/termios.h b/arch/ia64/include/asm/termios.h index 689d218c0c28..a42f870ca4f6 100644 --- a/arch/ia64/include/asm/termios.h +++ b/arch/ia64/include/asm/termios.h @@ -1,52 +1,14 @@ -#ifndef _ASM_IA64_TERMIOS_H -#define _ASM_IA64_TERMIOS_H - /* * Modified 1999 * David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co * * 99/01/28 Added N_IRDA and N_SMSBLOCK */ +#ifndef _ASM_IA64_TERMIOS_H +#define _ASM_IA64_TERMIOS_H -#include <asm/termbits.h> -#include <asm/ioctls.h> - -struct winsize { - unsigned short ws_row; - unsigned short ws_col; - unsigned short ws_xpixel; - unsigned short ws_ypixel; -}; - -#define NCC 8 -struct termio { - unsigned short c_iflag; /* input mode flags */ - unsigned short c_oflag; /* output mode flags */ - unsigned short c_cflag; /* control mode flags */ - unsigned short c_lflag; /* local mode flags */ - unsigned char c_line; /* line discipline */ - unsigned char c_cc[NCC]; /* control characters */ -}; - -/* modem lines */ -#define TIOCM_LE 0x001 -#define TIOCM_DTR 0x002 -#define TIOCM_RTS 0x004 -#define TIOCM_ST 0x008 -#define TIOCM_SR 0x010 -#define TIOCM_CTS 0x020 -#define TIOCM_CAR 0x040 -#define TIOCM_RNG 0x080 -#define TIOCM_DSR 0x100 -#define TIOCM_CD TIOCM_CAR -#define TIOCM_RI TIOCM_RNG -#define TIOCM_OUT1 0x2000 -#define TIOCM_OUT2 0x4000 -#define TIOCM_LOOP 0x8000 - -/* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */ +#include <uapi/asm/termios.h> -# ifdef __KERNEL__ /* intr=^C quit=^\ erase=del kill=^U eof=^D vtime=\0 vmin=\1 sxtc=\0 @@ -92,6 +54,4 @@ struct termio { #define user_termios_to_kernel_termios_1(k, u) copy_from_user(k, u, sizeof(struct termios)) #define kernel_termios_to_user_termios_1(u, k) copy_to_user(u, k, sizeof(struct termios)) -# endif /* __KERNEL__ */ - #endif /* _ASM_IA64_TERMIOS_H */ diff --git a/arch/ia64/include/asm/thread_info.h b/arch/ia64/include/asm/thread_info.h index f7ee85378311..ff2ae4136584 100644 --- a/arch/ia64/include/asm/thread_info.h +++ b/arch/ia64/include/asm/thread_info.h @@ -106,7 +106,6 @@ struct thread_info { #define TIF_SYSCALL_AUDIT 3 /* syscall auditing active */ #define TIF_SINGLESTEP 4 /* restore singlestep on return to user mode */ #define TIF_NOTIFY_RESUME 6 /* resumption notification requested */ -#define TIF_POLLING_NRFLAG 16 /* true if poll_idle() is polling TIF_NEED_RESCHED */ #define TIF_MEMDIE 17 /* is terminating due to OOM killer */ #define TIF_MCA_INIT 18 /* this task is processing MCA or INIT */ #define TIF_DB_DISABLED 19 /* debug trap disabled for fsyscall */ @@ -119,7 +118,6 @@ struct thread_info { #define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME) #define _TIF_SIGPENDING (1 << TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) -#define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG) #define _TIF_MCA_INIT (1 << TIF_MCA_INIT) #define _TIF_DB_DISABLED (1 << TIF_DB_DISABLED) #define _TIF_RESTORE_RSE (1 << TIF_RESTORE_RSE) diff --git a/arch/ia64/include/asm/types.h b/arch/ia64/include/asm/types.h index 3f5b122d9975..4c351b169da2 100644 --- a/arch/ia64/include/asm/types.h +++ b/arch/ia64/include/asm/types.h @@ -1,6 +1,3 @@ -#ifndef _ASM_IA64_TYPES_H -#define _ASM_IA64_TYPES_H - /* * This file is never included by application software unless explicitly * requested (e.g., via linux/types.h) in which case the application is @@ -13,32 +10,22 @@ * Modified 1998-2000, 2002 * David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co */ +#ifndef _ASM_IA64_TYPES_H +#define _ASM_IA64_TYPES_H -#ifdef __KERNEL__ #include <asm-generic/int-ll64.h> -#else -#include <asm-generic/int-l64.h> -#endif +#include <uapi/asm/types.h> #ifdef __ASSEMBLY__ -# define __IA64_UL(x) (x) -# define __IA64_UL_CONST(x) x - #else -# define __IA64_UL(x) ((unsigned long)(x)) -# define __IA64_UL_CONST(x) x##UL - /* * These aren't exported outside the kernel to avoid name space clashes */ -# ifdef __KERNEL__ struct fnptr { unsigned long ip; unsigned long gp; }; -# endif /* __KERNEL__ */ #endif /* !__ASSEMBLY__ */ - #endif /* _ASM_IA64_TYPES_H */ diff --git a/arch/ia64/include/asm/unistd.h b/arch/ia64/include/asm/unistd.h index 7a3bd2524944..8b3ff2f5b861 100644 --- a/arch/ia64/include/asm/unistd.h +++ b/arch/ia64/include/asm/unistd.h @@ -1,331 +1,14 @@ -#ifndef _ASM_IA64_UNISTD_H -#define _ASM_IA64_UNISTD_H - /* * IA-64 Linux syscall numbers and inline-functions. * * Copyright (C) 1998-2005 Hewlett-Packard Co * David Mosberger-Tang <davidm@hpl.hp.com> */ +#ifndef _ASM_IA64_UNISTD_H +#define _ASM_IA64_UNISTD_H -#include <asm/break.h> - -#define __BREAK_SYSCALL __IA64_BREAK_SYSCALL - -#define __NR_ni_syscall 1024 -#define __NR_exit 1025 -#define __NR_read 1026 -#define __NR_write 1027 -#define __NR_open 1028 -#define __NR_close 1029 -#define __NR_creat 1030 -#define __NR_link 1031 -#define __NR_unlink 1032 -#define __NR_execve 1033 -#define __NR_chdir 1034 -#define __NR_fchdir 1035 -#define __NR_utimes 1036 -#define __NR_mknod 1037 -#define __NR_chmod 1038 -#define __NR_chown 1039 -#define __NR_lseek 1040 -#define __NR_getpid 1041 -#define __NR_getppid 1042 -#define __NR_mount 1043 -#define __NR_umount 1044 -#define __NR_setuid 1045 -#define __NR_getuid 1046 -#define __NR_geteuid 1047 -#define __NR_ptrace 1048 -#define __NR_access 1049 -#define __NR_sync 1050 -#define __NR_fsync 1051 -#define __NR_fdatasync 1052 -#define __NR_kill 1053 -#define __NR_rename 1054 -#define __NR_mkdir 1055 -#define __NR_rmdir 1056 -#define __NR_dup 1057 -#define __NR_pipe 1058 -#define __NR_times 1059 -#define __NR_brk 1060 -#define __NR_setgid 1061 -#define __NR_getgid 1062 -#define __NR_getegid 1063 -#define __NR_acct 1064 -#define __NR_ioctl 1065 -#define __NR_fcntl 1066 -#define __NR_umask 1067 -#define __NR_chroot 1068 -#define __NR_ustat 1069 -#define __NR_dup2 1070 -#define __NR_setreuid 1071 -#define __NR_setregid 1072 -#define __NR_getresuid 1073 -#define __NR_setresuid 1074 -#define __NR_getresgid 1075 -#define __NR_setresgid 1076 -#define __NR_getgroups 1077 -#define __NR_setgroups 1078 -#define __NR_getpgid 1079 -#define __NR_setpgid 1080 -#define __NR_setsid 1081 -#define __NR_getsid 1082 -#define __NR_sethostname 1083 -#define __NR_setrlimit 1084 -#define __NR_getrlimit 1085 -#define __NR_getrusage 1086 -#define __NR_gettimeofday 1087 -#define __NR_settimeofday 1088 -#define __NR_select 1089 -#define __NR_poll 1090 -#define __NR_symlink 1091 -#define __NR_readlink 1092 -#define __NR_uselib 1093 -#define __NR_swapon 1094 -#define __NR_swapoff 1095 -#define __NR_reboot 1096 -#define __NR_truncate 1097 -#define __NR_ftruncate 1098 -#define __NR_fchmod 1099 -#define __NR_fchown 1100 -#define __NR_getpriority 1101 -#define __NR_setpriority 1102 -#define __NR_statfs 1103 -#define __NR_fstatfs 1104 -#define __NR_gettid 1105 -#define __NR_semget 1106 -#define __NR_semop 1107 -#define __NR_semctl 1108 -#define __NR_msgget 1109 -#define __NR_msgsnd 1110 -#define __NR_msgrcv 1111 -#define __NR_msgctl 1112 -#define __NR_shmget 1113 -#define __NR_shmat 1114 -#define __NR_shmdt 1115 -#define __NR_shmctl 1116 -/* also known as klogctl() in GNU libc: */ -#define __NR_syslog 1117 -#define __NR_setitimer 1118 -#define __NR_getitimer 1119 -/* 1120 was __NR_old_stat */ -/* 1121 was __NR_old_lstat */ -/* 1122 was __NR_old_fstat */ -#define __NR_vhangup 1123 -#define __NR_lchown 1124 -#define __NR_remap_file_pages 1125 -#define __NR_wait4 1126 -#define __NR_sysinfo 1127 -#define __NR_clone 1128 -#define __NR_setdomainname 1129 -#define __NR_uname 1130 -#define __NR_adjtimex 1131 -/* 1132 was __NR_create_module */ -#define __NR_init_module 1133 -#define __NR_delete_module 1134 -/* 1135 was __NR_get_kernel_syms */ -/* 1136 was __NR_query_module */ -#define __NR_quotactl 1137 -#define __NR_bdflush 1138 -#define __NR_sysfs 1139 -#define __NR_personality 1140 -#define __NR_afs_syscall 1141 -#define __NR_setfsuid 1142 -#define __NR_setfsgid 1143 -#define __NR_getdents 1144 -#define __NR_flock 1145 -#define __NR_readv 1146 -#define __NR_writev 1147 -#define __NR_pread64 1148 -#define __NR_pwrite64 1149 -#define __NR__sysctl 1150 -#define __NR_mmap 1151 -#define __NR_munmap 1152 -#define __NR_mlock 1153 -#define __NR_mlockall 1154 -#define __NR_mprotect 1155 -#define __NR_mremap 1156 -#define __NR_msync 1157 -#define __NR_munlock 1158 -#define __NR_munlockall 1159 -#define __NR_sched_getparam 1160 -#define __NR_sched_setparam 1161 -#define __NR_sched_getscheduler 1162 -#define __NR_sched_setscheduler 1163 -#define __NR_sched_yield 1164 -#define __NR_sched_get_priority_max 1165 -#define __NR_sched_get_priority_min 1166 -#define __NR_sched_rr_get_interval 1167 -#define __NR_nanosleep 1168 -#define __NR_nfsservctl 1169 -#define __NR_prctl 1170 -/* 1171 is reserved for backwards compatibility with old __NR_getpagesize */ -#define __NR_mmap2 1172 -#define __NR_pciconfig_read 1173 -#define __NR_pciconfig_write 1174 -#define __NR_perfmonctl 1175 -#define __NR_sigaltstack 1176 -#define __NR_rt_sigaction 1177 -#define __NR_rt_sigpending 1178 -#define __NR_rt_sigprocmask 1179 -#define __NR_rt_sigqueueinfo 1180 -#define __NR_rt_sigreturn 1181 -#define __NR_rt_sigsuspend 1182 -#define __NR_rt_sigtimedwait 1183 -#define __NR_getcwd 1184 -#define __NR_capget 1185 -#define __NR_capset 1186 -#define __NR_sendfile 1187 -#define __NR_getpmsg 1188 -#define __NR_putpmsg 1189 -#define __NR_socket 1190 -#define __NR_bind 1191 -#define __NR_connect 1192 -#define __NR_listen 1193 -#define __NR_accept 1194 -#define __NR_getsockname 1195 -#define __NR_getpeername 1196 -#define __NR_socketpair 1197 -#define __NR_send 1198 -#define __NR_sendto 1199 -#define __NR_recv 1200 -#define __NR_recvfrom 1201 -#define __NR_shutdown 1202 -#define __NR_setsockopt 1203 -#define __NR_getsockopt 1204 -#define __NR_sendmsg 1205 -#define __NR_recvmsg 1206 -#define __NR_pivot_root 1207 -#define __NR_mincore 1208 -#define __NR_madvise 1209 -#define __NR_stat 1210 -#define __NR_lstat 1211 -#define __NR_fstat 1212 -#define __NR_clone2 1213 -#define __NR_getdents64 1214 -#define __NR_getunwind 1215 -#define __NR_readahead 1216 -#define __NR_setxattr 1217 -#define __NR_lsetxattr 1218 -#define __NR_fsetxattr 1219 -#define __NR_getxattr 1220 -#define __NR_lgetxattr 1221 -#define __NR_fgetxattr 1222 -#define __NR_listxattr 1223 -#define __NR_llistxattr 1224 -#define __NR_flistxattr 1225 -#define __NR_removexattr 1226 -#define __NR_lremovexattr 1227 -#define __NR_fremovexattr 1228 -#define __NR_tkill 1229 -#define __NR_futex 1230 -#define __NR_sched_setaffinity 1231 -#define __NR_sched_getaffinity 1232 -#define __NR_set_tid_address 1233 -#define __NR_fadvise64 1234 -#define __NR_tgkill 1235 -#define __NR_exit_group 1236 -#define __NR_lookup_dcookie 1237 -#define __NR_io_setup 1238 -#define __NR_io_destroy 1239 -#define __NR_io_getevents 1240 -#define __NR_io_submit 1241 -#define __NR_io_cancel 1242 -#define __NR_epoll_create 1243 -#define __NR_epoll_ctl 1244 -#define __NR_epoll_wait 1245 -#define __NR_restart_syscall 1246 -#define __NR_semtimedop 1247 -#define __NR_timer_create 1248 -#define __NR_timer_settime 1249 -#define __NR_timer_gettime 1250 -#define __NR_timer_getoverrun 1251 -#define __NR_timer_delete 1252 -#define __NR_clock_settime 1253 -#define __NR_clock_gettime 1254 -#define __NR_clock_getres 1255 -#define __NR_clock_nanosleep 1256 -#define __NR_fstatfs64 1257 -#define __NR_statfs64 1258 -#define __NR_mbind 1259 -#define __NR_get_mempolicy 1260 -#define __NR_set_mempolicy 1261 -#define __NR_mq_open 1262 -#define __NR_mq_unlink 1263 -#define __NR_mq_timedsend 1264 -#define __NR_mq_timedreceive 1265 -#define __NR_mq_notify 1266 -#define __NR_mq_getsetattr 1267 -#define __NR_kexec_load 1268 -#define __NR_vserver 1269 -#define __NR_waitid 1270 -#define __NR_add_key 1271 -#define __NR_request_key 1272 -#define __NR_keyctl 1273 -#define __NR_ioprio_set 1274 -#define __NR_ioprio_get 1275 -#define __NR_move_pages 1276 -#define __NR_inotify_init 1277 -#define __NR_inotify_add_watch 1278 -#define __NR_inotify_rm_watch 1279 -#define __NR_migrate_pages 1280 -#define __NR_openat 1281 -#define __NR_mkdirat 1282 -#define __NR_mknodat 1283 -#define __NR_fchownat 1284 -#define __NR_futimesat 1285 -#define __NR_newfstatat 1286 -#define __NR_unlinkat 1287 -#define __NR_renameat 1288 -#define __NR_linkat 1289 -#define __NR_symlinkat 1290 -#define __NR_readlinkat 1291 -#define __NR_fchmodat 1292 -#define __NR_faccessat 1293 -#define __NR_pselect6 1294 -#define __NR_ppoll 1295 -#define __NR_unshare 1296 -#define __NR_splice 1297 -#define __NR_set_robust_list 1298 -#define __NR_get_robust_list 1299 -#define __NR_sync_file_range 1300 -#define __NR_tee 1301 -#define __NR_vmsplice 1302 -#define __NR_fallocate 1303 -#define __NR_getcpu 1304 -#define __NR_epoll_pwait 1305 -#define __NR_utimensat 1306 -#define __NR_signalfd 1307 -#define __NR_timerfd 1308 -#define __NR_eventfd 1309 -#define __NR_timerfd_create 1310 -#define __NR_timerfd_settime 1311 -#define __NR_timerfd_gettime 1312 -#define __NR_signalfd4 1313 -#define __NR_eventfd2 1314 -#define __NR_epoll_create1 1315 -#define __NR_dup3 1316 -#define __NR_pipe2 1317 -#define __NR_inotify_init1 1318 -#define __NR_preadv 1319 -#define __NR_pwritev 1320 -#define __NR_rt_tgsigqueueinfo 1321 -#define __NR_recvmmsg 1322 -#define __NR_fanotify_init 1323 -#define __NR_fanotify_mark 1324 -#define __NR_prlimit64 1325 -#define __NR_name_to_handle_at 1326 -#define __NR_open_by_handle_at 1327 -#define __NR_clock_adjtime 1328 -#define __NR_syncfs 1329 -#define __NR_setns 1330 -#define __NR_sendmmsg 1331 -#define __NR_process_vm_readv 1332 -#define __NR_process_vm_writev 1333 -#define __NR_accept4 1334 +#include <uapi/asm/unistd.h> -#ifdef __KERNEL__ #define NR_syscalls 311 /* length of syscall table */ @@ -382,5 +65,4 @@ asmlinkage long sys_rt_sigaction(int sig, #define cond_syscall(x) asmlinkage long x (void) __attribute__((weak,alias("sys_ni_syscall"))) #endif /* !__ASSEMBLY__ */ -#endif /* __KERNEL__ */ #endif /* _ASM_IA64_UNISTD_H */ diff --git a/arch/ia64/include/asm/ustack.h b/arch/ia64/include/asm/ustack.h index 504167c35b8b..b275401b96d3 100644 --- a/arch/ia64/include/asm/ustack.h +++ b/arch/ia64/include/asm/ustack.h @@ -1,20 +1,11 @@ #ifndef _ASM_IA64_USTACK_H #define _ASM_IA64_USTACK_H -/* - * Constants for the user stack size - */ - -#ifdef __KERNEL__ #include <asm/page.h> +#include <uapi/asm/ustack.h> /* The absolute hard limit for stack size is 1/2 of the mappable space in the region */ #define MAX_USER_STACK_SIZE (RGN_MAP_LIMIT/2) #define STACK_TOP (0x6000000000000000UL + RGN_MAP_LIMIT) #define STACK_TOP_MAX STACK_TOP -#endif - -/* Make a default stack size of 2GiB */ -#define DEFAULT_USER_STACK_SIZE (1UL << 31) - #endif /* _ASM_IA64_USTACK_H */ diff --git a/arch/ia64/include/uapi/asm/Kbuild b/arch/ia64/include/uapi/asm/Kbuild index baebb3da1d44..30cafac93703 100644 --- a/arch/ia64/include/uapi/asm/Kbuild +++ b/arch/ia64/include/uapi/asm/Kbuild @@ -1,3 +1,48 @@ # UAPI Header export list include include/uapi/asm-generic/Kbuild.asm +header-y += auxvec.h +header-y += bitsperlong.h +header-y += break.h +header-y += byteorder.h +header-y += cmpxchg.h +header-y += errno.h +header-y += fcntl.h +header-y += fpu.h +header-y += gcc_intrin.h +header-y += ia64regs.h +header-y += intel_intrin.h +header-y += intrinsics.h +header-y += ioctl.h +header-y += ioctls.h +header-y += ipcbuf.h +header-y += kvm.h +header-y += kvm_para.h +header-y += mman.h +header-y += msgbuf.h +header-y += param.h +header-y += perfmon.h +header-y += perfmon_default_smpl.h +header-y += poll.h +header-y += posix_types.h +header-y += ptrace.h +header-y += ptrace_offsets.h +header-y += resource.h +header-y += rse.h +header-y += sembuf.h +header-y += setup.h +header-y += shmbuf.h +header-y += sigcontext.h +header-y += siginfo.h +header-y += signal.h +header-y += socket.h +header-y += sockios.h +header-y += stat.h +header-y += statfs.h +header-y += swab.h +header-y += termbits.h +header-y += termios.h +header-y += types.h +header-y += ucontext.h +header-y += unistd.h +header-y += ustack.h diff --git a/arch/ia64/include/asm/auxvec.h b/arch/ia64/include/uapi/asm/auxvec.h index 58277fc650ef..58277fc650ef 100644 --- a/arch/ia64/include/asm/auxvec.h +++ b/arch/ia64/include/uapi/asm/auxvec.h diff --git a/arch/ia64/include/asm/bitsperlong.h b/arch/ia64/include/uapi/asm/bitsperlong.h index ec4db3c970b7..ec4db3c970b7 100644 --- a/arch/ia64/include/asm/bitsperlong.h +++ b/arch/ia64/include/uapi/asm/bitsperlong.h diff --git a/arch/ia64/include/asm/break.h b/arch/ia64/include/uapi/asm/break.h index e90c40ec9edf..e90c40ec9edf 100644 --- a/arch/ia64/include/asm/break.h +++ b/arch/ia64/include/uapi/asm/break.h diff --git a/arch/ia64/include/asm/byteorder.h b/arch/ia64/include/uapi/asm/byteorder.h index a8dd73558150..a8dd73558150 100644 --- a/arch/ia64/include/asm/byteorder.h +++ b/arch/ia64/include/uapi/asm/byteorder.h diff --git a/arch/ia64/include/asm/cmpxchg.h b/arch/ia64/include/uapi/asm/cmpxchg.h index 4f37dbbb8640..4f37dbbb8640 100644 --- a/arch/ia64/include/asm/cmpxchg.h +++ b/arch/ia64/include/uapi/asm/cmpxchg.h diff --git a/arch/ia64/include/asm/errno.h b/arch/ia64/include/uapi/asm/errno.h index 4c82b503d92f..4c82b503d92f 100644 --- a/arch/ia64/include/asm/errno.h +++ b/arch/ia64/include/uapi/asm/errno.h diff --git a/arch/ia64/include/asm/fcntl.h b/arch/ia64/include/uapi/asm/fcntl.h index 1dd275dc8f65..1dd275dc8f65 100644 --- a/arch/ia64/include/asm/fcntl.h +++ b/arch/ia64/include/uapi/asm/fcntl.h diff --git a/arch/ia64/include/asm/fpu.h b/arch/ia64/include/uapi/asm/fpu.h index b6395ad1500a..b6395ad1500a 100644 --- a/arch/ia64/include/asm/fpu.h +++ b/arch/ia64/include/uapi/asm/fpu.h diff --git a/arch/ia64/include/uapi/asm/gcc_intrin.h b/arch/ia64/include/uapi/asm/gcc_intrin.h new file mode 100644 index 000000000000..61d0d0111978 --- /dev/null +++ b/arch/ia64/include/uapi/asm/gcc_intrin.h @@ -0,0 +1,618 @@ +/* + * + * Copyright (C) 2002,2003 Jun Nakajima <jun.nakajima@intel.com> + * Copyright (C) 2002,2003 Suresh Siddha <suresh.b.siddha@intel.com> + */ +#ifndef _UAPI_ASM_IA64_GCC_INTRIN_H +#define _UAPI_ASM_IA64_GCC_INTRIN_H + +#include <linux/types.h> +#include <linux/compiler.h> + +/* define this macro to get some asm stmts included in 'c' files */ +#define ASM_SUPPORTED + +/* Optimization barrier */ +/* The "volatile" is due to gcc bugs */ +#define ia64_barrier() asm volatile ("":::"memory") + +#define ia64_stop() asm volatile (";;"::) + +#define ia64_invala_gr(regnum) asm volatile ("invala.e r%0" :: "i"(regnum)) + +#define ia64_invala_fr(regnum) asm volatile ("invala.e f%0" :: "i"(regnum)) + +#define ia64_flushrs() asm volatile ("flushrs;;":::"memory") + +#define ia64_loadrs() asm volatile ("loadrs;;":::"memory") + +extern void ia64_bad_param_for_setreg (void); +extern void ia64_bad_param_for_getreg (void); + + +#define ia64_native_setreg(regnum, val) \ +({ \ + switch (regnum) { \ + case _IA64_REG_PSR_L: \ + asm volatile ("mov psr.l=%0" :: "r"(val) : "memory"); \ + break; \ + case _IA64_REG_AR_KR0 ... _IA64_REG_AR_EC: \ + asm volatile ("mov ar%0=%1" :: \ + "i" (regnum - _IA64_REG_AR_KR0), \ + "r"(val): "memory"); \ + break; \ + case _IA64_REG_CR_DCR ... _IA64_REG_CR_LRR1: \ + asm volatile ("mov cr%0=%1" :: \ + "i" (regnum - _IA64_REG_CR_DCR), \ + "r"(val): "memory" ); \ + break; \ + case _IA64_REG_SP: \ + asm volatile ("mov r12=%0" :: \ + "r"(val): "memory"); \ + break; \ + case _IA64_REG_GP: \ + asm volatile ("mov gp=%0" :: "r"(val) : "memory"); \ + break; \ + default: \ + ia64_bad_param_for_setreg(); \ + break; \ + } \ +}) + +#define ia64_native_getreg(regnum) \ +({ \ + __u64 ia64_intri_res; \ + \ + switch (regnum) { \ + case _IA64_REG_GP: \ + asm volatile ("mov %0=gp" : "=r"(ia64_intri_res)); \ + break; \ + case _IA64_REG_IP: \ + asm volatile ("mov %0=ip" : "=r"(ia64_intri_res)); \ + break; \ + case _IA64_REG_PSR: \ + asm volatile ("mov %0=psr" : "=r"(ia64_intri_res)); \ + break; \ + case _IA64_REG_TP: /* for current() */ \ + ia64_intri_res = ia64_r13; \ + break; \ + case _IA64_REG_AR_KR0 ... _IA64_REG_AR_EC: \ + asm volatile ("mov %0=ar%1" : "=r" (ia64_intri_res) \ + : "i"(regnum - _IA64_REG_AR_KR0)); \ + break; \ + case _IA64_REG_CR_DCR ... _IA64_REG_CR_LRR1: \ + asm volatile ("mov %0=cr%1" : "=r" (ia64_intri_res) \ + : "i" (regnum - _IA64_REG_CR_DCR)); \ + break; \ + case _IA64_REG_SP: \ + asm volatile ("mov %0=sp" : "=r" (ia64_intri_res)); \ + break; \ + default: \ + ia64_bad_param_for_getreg(); \ + break; \ + } \ + ia64_intri_res; \ +}) + +#define ia64_hint_pause 0 + +#define ia64_hint(mode) \ +({ \ + switch (mode) { \ + case ia64_hint_pause: \ + asm volatile ("hint @pause" ::: "memory"); \ + break; \ + } \ +}) + + +/* Integer values for mux1 instruction */ +#define ia64_mux1_brcst 0 +#define ia64_mux1_mix 8 +#define ia64_mux1_shuf 9 +#define ia64_mux1_alt 10 +#define ia64_mux1_rev 11 + +#define ia64_mux1(x, mode) \ +({ \ + __u64 ia64_intri_res; \ + \ + switch (mode) { \ + case ia64_mux1_brcst: \ + asm ("mux1 %0=%1,@brcst" : "=r" (ia64_intri_res) : "r" (x)); \ + break; \ + case ia64_mux1_mix: \ + asm ("mux1 %0=%1,@mix" : "=r" (ia64_intri_res) : "r" (x)); \ + break; \ + case ia64_mux1_shuf: \ + asm ("mux1 %0=%1,@shuf" : "=r" (ia64_intri_res) : "r" (x)); \ + break; \ + case ia64_mux1_alt: \ + asm ("mux1 %0=%1,@alt" : "=r" (ia64_intri_res) : "r" (x)); \ + break; \ + case ia64_mux1_rev: \ + asm ("mux1 %0=%1,@rev" : "=r" (ia64_intri_res) : "r" (x)); \ + break; \ + } \ + ia64_intri_res; \ +}) + +#if __GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) +# define ia64_popcnt(x) __builtin_popcountl(x) +#else +# define ia64_popcnt(x) \ + ({ \ + __u64 ia64_intri_res; \ + asm ("popcnt %0=%1" : "=r" (ia64_intri_res) : "r" (x)); \ + \ + ia64_intri_res; \ + }) +#endif + +#define ia64_getf_exp(x) \ +({ \ + long ia64_intri_res; \ + \ + asm ("getf.exp %0=%1" : "=r"(ia64_intri_res) : "f"(x)); \ + \ + ia64_intri_res; \ +}) + +#define ia64_shrp(a, b, count) \ +({ \ + __u64 ia64_intri_res; \ + asm ("shrp %0=%1,%2,%3" : "=r"(ia64_intri_res) : "r"(a), "r"(b), "i"(count)); \ + ia64_intri_res; \ +}) + +#define ia64_ldfs(regnum, x) \ +({ \ + register double __f__ asm ("f"#regnum); \ + asm volatile ("ldfs %0=[%1]" :"=f"(__f__): "r"(x)); \ +}) + +#define ia64_ldfd(regnum, x) \ +({ \ + register double __f__ asm ("f"#regnum); \ + asm volatile ("ldfd %0=[%1]" :"=f"(__f__): "r"(x)); \ +}) + +#define ia64_ldfe(regnum, x) \ +({ \ + register double __f__ asm ("f"#regnum); \ + asm volatile ("ldfe %0=[%1]" :"=f"(__f__): "r"(x)); \ +}) + +#define ia64_ldf8(regnum, x) \ +({ \ + register double __f__ asm ("f"#regnum); \ + asm volatile ("ldf8 %0=[%1]" :"=f"(__f__): "r"(x)); \ +}) + +#define ia64_ldf_fill(regnum, x) \ +({ \ + register double __f__ asm ("f"#regnum); \ + asm volatile ("ldf.fill %0=[%1]" :"=f"(__f__): "r"(x)); \ +}) + +#define ia64_st4_rel_nta(m, val) \ +({ \ + asm volatile ("st4.rel.nta [%0] = %1\n\t" :: "r"(m), "r"(val)); \ +}) + +#define ia64_stfs(x, regnum) \ +({ \ + register double __f__ asm ("f"#regnum); \ + asm volatile ("stfs [%0]=%1" :: "r"(x), "f"(__f__) : "memory"); \ +}) + +#define ia64_stfd(x, regnum) \ +({ \ + register double __f__ asm ("f"#regnum); \ + asm volatile ("stfd [%0]=%1" :: "r"(x), "f"(__f__) : "memory"); \ +}) + +#define ia64_stfe(x, regnum) \ +({ \ + register double __f__ asm ("f"#regnum); \ + asm volatile ("stfe [%0]=%1" :: "r"(x), "f"(__f__) : "memory"); \ +}) + +#define ia64_stf8(x, regnum) \ +({ \ + register double __f__ asm ("f"#regnum); \ + asm volatile ("stf8 [%0]=%1" :: "r"(x), "f"(__f__) : "memory"); \ +}) + +#define ia64_stf_spill(x, regnum) \ +({ \ + register double __f__ asm ("f"#regnum); \ + asm volatile ("stf.spill [%0]=%1" :: "r"(x), "f"(__f__) : "memory"); \ +}) + +#define ia64_fetchadd4_acq(p, inc) \ +({ \ + \ + __u64 ia64_intri_res; \ + asm volatile ("fetchadd4.acq %0=[%1],%2" \ + : "=r"(ia64_intri_res) : "r"(p), "i" (inc) \ + : "memory"); \ + \ + ia64_intri_res; \ +}) + +#define ia64_fetchadd4_rel(p, inc) \ +({ \ + __u64 ia64_intri_res; \ + asm volatile ("fetchadd4.rel %0=[%1],%2" \ + : "=r"(ia64_intri_res) : "r"(p), "i" (inc) \ + : "memory"); \ + \ + ia64_intri_res; \ +}) + +#define ia64_fetchadd8_acq(p, inc) \ +({ \ + \ + __u64 ia64_intri_res; \ + asm volatile ("fetchadd8.acq %0=[%1],%2" \ + : "=r"(ia64_intri_res) : "r"(p), "i" (inc) \ + : "memory"); \ + \ + ia64_intri_res; \ +}) + +#define ia64_fetchadd8_rel(p, inc) \ +({ \ + __u64 ia64_intri_res; \ + asm volatile ("fetchadd8.rel %0=[%1],%2" \ + : "=r"(ia64_intri_res) : "r"(p), "i" (inc) \ + : "memory"); \ + \ + ia64_intri_res; \ +}) + +#define ia64_xchg1(ptr,x) \ +({ \ + __u64 ia64_intri_res; \ + asm volatile ("xchg1 %0=[%1],%2" \ + : "=r" (ia64_intri_res) : "r" (ptr), "r" (x) : "memory"); \ + ia64_intri_res; \ +}) + +#define ia64_xchg2(ptr,x) \ +({ \ + __u64 ia64_intri_res; \ + asm volatile ("xchg2 %0=[%1],%2" : "=r" (ia64_intri_res) \ + : "r" (ptr), "r" (x) : "memory"); \ + ia64_intri_res; \ +}) + +#define ia64_xchg4(ptr,x) \ +({ \ + __u64 ia64_intri_res; \ + asm volatile ("xchg4 %0=[%1],%2" : "=r" (ia64_intri_res) \ + : "r" (ptr), "r" (x) : "memory"); \ + ia64_intri_res; \ +}) + +#define ia64_xchg8(ptr,x) \ +({ \ + __u64 ia64_intri_res; \ + asm volatile ("xchg8 %0=[%1],%2" : "=r" (ia64_intri_res) \ + : "r" (ptr), "r" (x) : "memory"); \ + ia64_intri_res; \ +}) + +#define ia64_cmpxchg1_acq(ptr, new, old) \ +({ \ + __u64 ia64_intri_res; \ + asm volatile ("mov ar.ccv=%0;;" :: "rO"(old)); \ + asm volatile ("cmpxchg1.acq %0=[%1],%2,ar.ccv": \ + "=r"(ia64_intri_res) : "r"(ptr), "r"(new) : "memory"); \ + ia64_intri_res; \ +}) + +#define ia64_cmpxchg1_rel(ptr, new, old) \ +({ \ + __u64 ia64_intri_res; \ + asm volatile ("mov ar.ccv=%0;;" :: "rO"(old)); \ + asm volatile ("cmpxchg1.rel %0=[%1],%2,ar.ccv": \ + "=r"(ia64_intri_res) : "r"(ptr), "r"(new) : "memory"); \ + ia64_intri_res; \ +}) + +#define ia64_cmpxchg2_acq(ptr, new, old) \ +({ \ + __u64 ia64_intri_res; \ + asm volatile ("mov ar.ccv=%0;;" :: "rO"(old)); \ + asm volatile ("cmpxchg2.acq %0=[%1],%2,ar.ccv": \ + "=r"(ia64_intri_res) : "r"(ptr), "r"(new) : "memory"); \ + ia64_intri_res; \ +}) + +#define ia64_cmpxchg2_rel(ptr, new, old) \ +({ \ + __u64 ia64_intri_res; \ + asm volatile ("mov ar.ccv=%0;;" :: "rO"(old)); \ + \ + asm volatile ("cmpxchg2.rel %0=[%1],%2,ar.ccv": \ + "=r"(ia64_intri_res) : "r"(ptr), "r"(new) : "memory"); \ + ia64_intri_res; \ +}) + +#define ia64_cmpxchg4_acq(ptr, new, old) \ +({ \ + __u64 ia64_intri_res; \ + asm volatile ("mov ar.ccv=%0;;" :: "rO"(old)); \ + asm volatile ("cmpxchg4.acq %0=[%1],%2,ar.ccv": \ + "=r"(ia64_intri_res) : "r"(ptr), "r"(new) : "memory"); \ + ia64_intri_res; \ +}) + +#define ia64_cmpxchg4_rel(ptr, new, old) \ +({ \ + __u64 ia64_intri_res; \ + asm volatile ("mov ar.ccv=%0;;" :: "rO"(old)); \ + asm volatile ("cmpxchg4.rel %0=[%1],%2,ar.ccv": \ + "=r"(ia64_intri_res) : "r"(ptr), "r"(new) : "memory"); \ + ia64_intri_res; \ +}) + +#define ia64_cmpxchg8_acq(ptr, new, old) \ +({ \ + __u64 ia64_intri_res; \ + asm volatile ("mov ar.ccv=%0;;" :: "rO"(old)); \ + asm volatile ("cmpxchg8.acq %0=[%1],%2,ar.ccv": \ + "=r"(ia64_intri_res) : "r"(ptr), "r"(new) : "memory"); \ + ia64_intri_res; \ +}) + +#define ia64_cmpxchg8_rel(ptr, new, old) \ +({ \ + __u64 ia64_intri_res; \ + asm volatile ("mov ar.ccv=%0;;" :: "rO"(old)); \ + \ + asm volatile ("cmpxchg8.rel %0=[%1],%2,ar.ccv": \ + "=r"(ia64_intri_res) : "r"(ptr), "r"(new) : "memory"); \ + ia64_intri_res; \ +}) + +#define ia64_mf() asm volatile ("mf" ::: "memory") +#define ia64_mfa() asm volatile ("mf.a" ::: "memory") + +#define ia64_invala() asm volatile ("invala" ::: "memory") + +#define ia64_native_thash(addr) \ +({ \ + unsigned long ia64_intri_res; \ + asm volatile ("thash %0=%1" : "=r"(ia64_intri_res) : "r" (addr)); \ + ia64_intri_res; \ +}) + +#define ia64_srlz_i() asm volatile (";; srlz.i ;;" ::: "memory") +#define ia64_srlz_d() asm volatile (";; srlz.d" ::: "memory"); + +#ifdef HAVE_SERIALIZE_DIRECTIVE +# define ia64_dv_serialize_data() asm volatile (".serialize.data"); +# define ia64_dv_serialize_instruction() asm volatile (".serialize.instruction"); +#else +# define ia64_dv_serialize_data() +# define ia64_dv_serialize_instruction() +#endif + +#define ia64_nop(x) asm volatile ("nop %0"::"i"(x)); + +#define ia64_itci(addr) asm volatile ("itc.i %0;;" :: "r"(addr) : "memory") + +#define ia64_itcd(addr) asm volatile ("itc.d %0;;" :: "r"(addr) : "memory") + + +#define ia64_itri(trnum, addr) asm volatile ("itr.i itr[%0]=%1" \ + :: "r"(trnum), "r"(addr) : "memory") + +#define ia64_itrd(trnum, addr) asm volatile ("itr.d dtr[%0]=%1" \ + :: "r"(trnum), "r"(addr) : "memory") + +#define ia64_tpa(addr) \ +({ \ + unsigned long ia64_pa; \ + asm volatile ("tpa %0 = %1" : "=r"(ia64_pa) : "r"(addr) : "memory"); \ + ia64_pa; \ +}) + +#define __ia64_set_dbr(index, val) \ + asm volatile ("mov dbr[%0]=%1" :: "r"(index), "r"(val) : "memory") + +#define ia64_set_ibr(index, val) \ + asm volatile ("mov ibr[%0]=%1" :: "r"(index), "r"(val) : "memory") + +#define ia64_set_pkr(index, val) \ + asm volatile ("mov pkr[%0]=%1" :: "r"(index), "r"(val) : "memory") + +#define ia64_set_pmc(index, val) \ + asm volatile ("mov pmc[%0]=%1" :: "r"(index), "r"(val) : "memory") + +#define ia64_set_pmd(index, val) \ + asm volatile ("mov pmd[%0]=%1" :: "r"(index), "r"(val) : "memory") + +#define ia64_native_set_rr(index, val) \ + asm volatile ("mov rr[%0]=%1" :: "r"(index), "r"(val) : "memory"); + +#define ia64_native_get_cpuid(index) \ +({ \ + unsigned long ia64_intri_res; \ + asm volatile ("mov %0=cpuid[%r1]" : "=r"(ia64_intri_res) : "rO"(index)); \ + ia64_intri_res; \ +}) + +#define __ia64_get_dbr(index) \ +({ \ + unsigned long ia64_intri_res; \ + asm volatile ("mov %0=dbr[%1]" : "=r"(ia64_intri_res) : "r"(index)); \ + ia64_intri_res; \ +}) + +#define ia64_get_ibr(index) \ +({ \ + unsigned long ia64_intri_res; \ + asm volatile ("mov %0=ibr[%1]" : "=r"(ia64_intri_res) : "r"(index)); \ + ia64_intri_res; \ +}) + +#define ia64_get_pkr(index) \ +({ \ + unsigned long ia64_intri_res; \ + asm volatile ("mov %0=pkr[%1]" : "=r"(ia64_intri_res) : "r"(index)); \ + ia64_intri_res; \ +}) + +#define ia64_get_pmc(index) \ +({ \ + unsigned long ia64_intri_res; \ + asm volatile ("mov %0=pmc[%1]" : "=r"(ia64_intri_res) : "r"(index)); \ + ia64_intri_res; \ +}) + + +#define ia64_native_get_pmd(index) \ +({ \ + unsigned long ia64_intri_res; \ + asm volatile ("mov %0=pmd[%1]" : "=r"(ia64_intri_res) : "r"(index)); \ + ia64_intri_res; \ +}) + +#define ia64_native_get_rr(index) \ +({ \ + unsigned long ia64_intri_res; \ + asm volatile ("mov %0=rr[%1]" : "=r"(ia64_intri_res) : "r" (index)); \ + ia64_intri_res; \ +}) + +#define ia64_native_fc(addr) asm volatile ("fc %0" :: "r"(addr) : "memory") + + +#define ia64_sync_i() asm volatile (";; sync.i" ::: "memory") + +#define ia64_native_ssm(mask) asm volatile ("ssm %0":: "i"((mask)) : "memory") +#define ia64_native_rsm(mask) asm volatile ("rsm %0":: "i"((mask)) : "memory") +#define ia64_sum(mask) asm volatile ("sum %0":: "i"((mask)) : "memory") +#define ia64_rum(mask) asm volatile ("rum %0":: "i"((mask)) : "memory") + +#define ia64_ptce(addr) asm volatile ("ptc.e %0" :: "r"(addr)) + +#define ia64_native_ptcga(addr, size) \ +do { \ + asm volatile ("ptc.ga %0,%1" :: "r"(addr), "r"(size) : "memory"); \ + ia64_dv_serialize_data(); \ +} while (0) + +#define ia64_ptcl(addr, size) \ +do { \ + asm volatile ("ptc.l %0,%1" :: "r"(addr), "r"(size) : "memory"); \ + ia64_dv_serialize_data(); \ +} while (0) + +#define ia64_ptri(addr, size) \ + asm volatile ("ptr.i %0,%1" :: "r"(addr), "r"(size) : "memory") + +#define ia64_ptrd(addr, size) \ + asm volatile ("ptr.d %0,%1" :: "r"(addr), "r"(size) : "memory") + +#define ia64_ttag(addr) \ +({ \ + __u64 ia64_intri_res; \ + asm volatile ("ttag %0=%1" : "=r"(ia64_intri_res) : "r" (addr)); \ + ia64_intri_res; \ +}) + + +/* Values for lfhint in ia64_lfetch and ia64_lfetch_fault */ + +#define ia64_lfhint_none 0 +#define ia64_lfhint_nt1 1 +#define ia64_lfhint_nt2 2 +#define ia64_lfhint_nta 3 + +#define ia64_lfetch(lfhint, y) \ +({ \ + switch (lfhint) { \ + case ia64_lfhint_none: \ + asm volatile ("lfetch [%0]" : : "r"(y)); \ + break; \ + case ia64_lfhint_nt1: \ + asm volatile ("lfetch.nt1 [%0]" : : "r"(y)); \ + break; \ + case ia64_lfhint_nt2: \ + asm volatile ("lfetch.nt2 [%0]" : : "r"(y)); \ + break; \ + case ia64_lfhint_nta: \ + asm volatile ("lfetch.nta [%0]" : : "r"(y)); \ + break; \ + } \ +}) + +#define ia64_lfetch_excl(lfhint, y) \ +({ \ + switch (lfhint) { \ + case ia64_lfhint_none: \ + asm volatile ("lfetch.excl [%0]" :: "r"(y)); \ + break; \ + case ia64_lfhint_nt1: \ + asm volatile ("lfetch.excl.nt1 [%0]" :: "r"(y)); \ + break; \ + case ia64_lfhint_nt2: \ + asm volatile ("lfetch.excl.nt2 [%0]" :: "r"(y)); \ + break; \ + case ia64_lfhint_nta: \ + asm volatile ("lfetch.excl.nta [%0]" :: "r"(y)); \ + break; \ + } \ +}) + +#define ia64_lfetch_fault(lfhint, y) \ +({ \ + switch (lfhint) { \ + case ia64_lfhint_none: \ + asm volatile ("lfetch.fault [%0]" : : "r"(y)); \ + break; \ + case ia64_lfhint_nt1: \ + asm volatile ("lfetch.fault.nt1 [%0]" : : "r"(y)); \ + break; \ + case ia64_lfhint_nt2: \ + asm volatile ("lfetch.fault.nt2 [%0]" : : "r"(y)); \ + break; \ + case ia64_lfhint_nta: \ + asm volatile ("lfetch.fault.nta [%0]" : : "r"(y)); \ + break; \ + } \ +}) + +#define ia64_lfetch_fault_excl(lfhint, y) \ +({ \ + switch (lfhint) { \ + case ia64_lfhint_none: \ + asm volatile ("lfetch.fault.excl [%0]" :: "r"(y)); \ + break; \ + case ia64_lfhint_nt1: \ + asm volatile ("lfetch.fault.excl.nt1 [%0]" :: "r"(y)); \ + break; \ + case ia64_lfhint_nt2: \ + asm volatile ("lfetch.fault.excl.nt2 [%0]" :: "r"(y)); \ + break; \ + case ia64_lfhint_nta: \ + asm volatile ("lfetch.fault.excl.nta [%0]" :: "r"(y)); \ + break; \ + } \ +}) + +#define ia64_native_intrin_local_irq_restore(x) \ +do { \ + asm volatile (";; cmp.ne p6,p7=%0,r0;;" \ + "(p6) ssm psr.i;" \ + "(p7) rsm psr.i;;" \ + "(p6) srlz.d" \ + :: "r"((x)) : "p6", "p7", "memory"); \ +} while (0) + +#endif /* _UAPI_ASM_IA64_GCC_INTRIN_H */ diff --git a/arch/ia64/include/asm/ia64regs.h b/arch/ia64/include/uapi/asm/ia64regs.h index 1757f1c11ad4..1757f1c11ad4 100644 --- a/arch/ia64/include/asm/ia64regs.h +++ b/arch/ia64/include/uapi/asm/ia64regs.h diff --git a/arch/ia64/include/asm/intel_intrin.h b/arch/ia64/include/uapi/asm/intel_intrin.h index 53cec577558a..53cec577558a 100644 --- a/arch/ia64/include/asm/intel_intrin.h +++ b/arch/ia64/include/uapi/asm/intel_intrin.h diff --git a/arch/ia64/include/uapi/asm/intrinsics.h b/arch/ia64/include/uapi/asm/intrinsics.h new file mode 100644 index 000000000000..5829978ff466 --- /dev/null +++ b/arch/ia64/include/uapi/asm/intrinsics.h @@ -0,0 +1,124 @@ +/* + * Compiler-dependent intrinsics. + * + * Copyright (C) 2002-2003 Hewlett-Packard Co + * David Mosberger-Tang <davidm@hpl.hp.com> + */ +#ifndef _UAPI_ASM_IA64_INTRINSICS_H +#define _UAPI_ASM_IA64_INTRINSICS_H + + +#ifndef __ASSEMBLY__ + +#include <linux/types.h> +/* include compiler specific intrinsics */ +#include <asm/ia64regs.h> +#ifdef __INTEL_COMPILER +# include <asm/intel_intrin.h> +#else +# include <asm/gcc_intrin.h> +#endif +#include <asm/cmpxchg.h> + +#define ia64_native_get_psr_i() (ia64_native_getreg(_IA64_REG_PSR) & IA64_PSR_I) + +#define ia64_native_set_rr0_to_rr4(val0, val1, val2, val3, val4) \ +do { \ + ia64_native_set_rr(0x0000000000000000UL, (val0)); \ + ia64_native_set_rr(0x2000000000000000UL, (val1)); \ + ia64_native_set_rr(0x4000000000000000UL, (val2)); \ + ia64_native_set_rr(0x6000000000000000UL, (val3)); \ + ia64_native_set_rr(0x8000000000000000UL, (val4)); \ +} while (0) + +/* + * Force an unresolved reference if someone tries to use + * ia64_fetch_and_add() with a bad value. + */ +extern unsigned long __bad_size_for_ia64_fetch_and_add (void); +extern unsigned long __bad_increment_for_ia64_fetch_and_add (void); + +#define IA64_FETCHADD(tmp,v,n,sz,sem) \ +({ \ + switch (sz) { \ + case 4: \ + tmp = ia64_fetchadd4_##sem((unsigned int *) v, n); \ + break; \ + \ + case 8: \ + tmp = ia64_fetchadd8_##sem((unsigned long *) v, n); \ + break; \ + \ + default: \ + __bad_size_for_ia64_fetch_and_add(); \ + } \ +}) + +#define ia64_fetchadd(i,v,sem) \ +({ \ + __u64 _tmp; \ + volatile __typeof__(*(v)) *_v = (v); \ + /* Can't use a switch () here: gcc isn't always smart enough for that... */ \ + if ((i) == -16) \ + IA64_FETCHADD(_tmp, _v, -16, sizeof(*(v)), sem); \ + else if ((i) == -8) \ + IA64_FETCHADD(_tmp, _v, -8, sizeof(*(v)), sem); \ + else if ((i) == -4) \ + IA64_FETCHADD(_tmp, _v, -4, sizeof(*(v)), sem); \ + else if ((i) == -1) \ + IA64_FETCHADD(_tmp, _v, -1, sizeof(*(v)), sem); \ + else if ((i) == 1) \ + IA64_FETCHADD(_tmp, _v, 1, sizeof(*(v)), sem); \ + else if ((i) == 4) \ + IA64_FETCHADD(_tmp, _v, 4, sizeof(*(v)), sem); \ + else if ((i) == 8) \ + IA64_FETCHADD(_tmp, _v, 8, sizeof(*(v)), sem); \ + else if ((i) == 16) \ + IA64_FETCHADD(_tmp, _v, 16, sizeof(*(v)), sem); \ + else \ + _tmp = __bad_increment_for_ia64_fetch_and_add(); \ + (__typeof__(*(v))) (_tmp); /* return old value */ \ +}) + +#define ia64_fetch_and_add(i,v) (ia64_fetchadd(i, v, rel) + (i)) /* return new value */ + +#endif + + +#ifndef __ASSEMBLY__ + +#define IA64_INTRINSIC_API(name) ia64_native_ ## name +#define IA64_INTRINSIC_MACRO(name) ia64_native_ ## name + + +/************************************************/ +/* Instructions paravirtualized for correctness */ +/************************************************/ +/* fc, thash, get_cpuid, get_pmd, get_eflags, set_eflags */ +/* Note that "ttag" and "cover" are also privilege-sensitive; "ttag" + * is not currently used (though it may be in a long-format VHPT system!) + */ +#define ia64_fc IA64_INTRINSIC_API(fc) +#define ia64_thash IA64_INTRINSIC_API(thash) +#define ia64_get_cpuid IA64_INTRINSIC_API(get_cpuid) +#define ia64_get_pmd IA64_INTRINSIC_API(get_pmd) + + +/************************************************/ +/* Instructions paravirtualized for performance */ +/************************************************/ +#define ia64_ssm IA64_INTRINSIC_MACRO(ssm) +#define ia64_rsm IA64_INTRINSIC_MACRO(rsm) +#define ia64_getreg IA64_INTRINSIC_MACRO(getreg) +#define ia64_setreg IA64_INTRINSIC_API(setreg) +#define ia64_set_rr IA64_INTRINSIC_API(set_rr) +#define ia64_get_rr IA64_INTRINSIC_API(get_rr) +#define ia64_ptcga IA64_INTRINSIC_API(ptcga) +#define ia64_get_psr_i IA64_INTRINSIC_API(get_psr_i) +#define ia64_intrin_local_irq_restore \ + IA64_INTRINSIC_API(intrin_local_irq_restore) +#define ia64_set_rr0_to_rr4 IA64_INTRINSIC_API(set_rr0_to_rr4) + +#endif /* !__ASSEMBLY__ */ + +#endif /* _UAPI_ASM_IA64_INTRINSICS_H */ diff --git a/arch/ia64/include/asm/ioctl.h b/arch/ia64/include/uapi/asm/ioctl.h index b279fe06dfe5..b279fe06dfe5 100644 --- a/arch/ia64/include/asm/ioctl.h +++ b/arch/ia64/include/uapi/asm/ioctl.h diff --git a/arch/ia64/include/asm/ioctls.h b/arch/ia64/include/uapi/asm/ioctls.h index f3aab5512e98..f3aab5512e98 100644 --- a/arch/ia64/include/asm/ioctls.h +++ b/arch/ia64/include/uapi/asm/ioctls.h diff --git a/arch/ia64/include/asm/ipcbuf.h b/arch/ia64/include/uapi/asm/ipcbuf.h index 84c7e51cb6d0..84c7e51cb6d0 100644 --- a/arch/ia64/include/asm/ipcbuf.h +++ b/arch/ia64/include/uapi/asm/ipcbuf.h diff --git a/arch/ia64/include/asm/kvm.h b/arch/ia64/include/uapi/asm/kvm.h index ec6c6b301238..ec6c6b301238 100644 --- a/arch/ia64/include/asm/kvm.h +++ b/arch/ia64/include/uapi/asm/kvm.h diff --git a/arch/ia64/include/uapi/asm/kvm_para.h b/arch/ia64/include/uapi/asm/kvm_para.h new file mode 100644 index 000000000000..e69de29bb2d1 --- /dev/null +++ b/arch/ia64/include/uapi/asm/kvm_para.h diff --git a/arch/ia64/include/uapi/asm/mman.h b/arch/ia64/include/uapi/asm/mman.h new file mode 100644 index 000000000000..8740819adc54 --- /dev/null +++ b/arch/ia64/include/uapi/asm/mman.h @@ -0,0 +1,16 @@ +/* + * Based on <asm-i386/mman.h>. + * + * Modified 1998-2000, 2002 + * David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co + */ +#ifndef _UAPI_ASM_IA64_MMAN_H +#define _UAPI_ASM_IA64_MMAN_H + + +#include <asm-generic/mman.h> + +#define MAP_GROWSUP 0x0200 /* register stack-like segment */ + + +#endif /* _UAPI_ASM_IA64_MMAN_H */ diff --git a/arch/ia64/include/asm/msgbuf.h b/arch/ia64/include/uapi/asm/msgbuf.h index 6c64c0d2aae1..6c64c0d2aae1 100644 --- a/arch/ia64/include/asm/msgbuf.h +++ b/arch/ia64/include/uapi/asm/msgbuf.h diff --git a/arch/ia64/include/uapi/asm/param.h b/arch/ia64/include/uapi/asm/param.h new file mode 100644 index 000000000000..d7da41d9497d --- /dev/null +++ b/arch/ia64/include/uapi/asm/param.h @@ -0,0 +1,29 @@ +/* + * Fundamental kernel parameters. + * + * Based on <asm-i386/param.h>. + * + * Modified 1998, 1999, 2002-2003 + * David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co + */ +#ifndef _UAPI_ASM_IA64_PARAM_H +#define _UAPI_ASM_IA64_PARAM_H + + +#define EXEC_PAGESIZE 65536 + +#ifndef NOGROUP +# define NOGROUP (-1) +#endif + +#define MAXHOSTNAMELEN 64 /* max length of hostname */ + +#ifndef __KERNEL__ + /* + * Technically, this is wrong, but some old apps still refer to it. The proper way to + * get the HZ value is via sysconf(_SC_CLK_TCK). + */ +# define HZ 1024 +#endif + +#endif /* _UAPI_ASM_IA64_PARAM_H */ diff --git a/arch/ia64/include/uapi/asm/perfmon.h b/arch/ia64/include/uapi/asm/perfmon.h new file mode 100644 index 000000000000..1a10a2dd58a1 --- /dev/null +++ b/arch/ia64/include/uapi/asm/perfmon.h @@ -0,0 +1,177 @@ +/* + * Copyright (C) 2001-2003 Hewlett-Packard Co + * Stephane Eranian <eranian@hpl.hp.com> + */ + +#ifndef _UAPI_ASM_IA64_PERFMON_H +#define _UAPI_ASM_IA64_PERFMON_H + +/* + * perfmon commands supported on all CPU models + */ +#define PFM_WRITE_PMCS 0x01 +#define PFM_WRITE_PMDS 0x02 +#define PFM_READ_PMDS 0x03 +#define PFM_STOP 0x04 +#define PFM_START 0x05 +#define PFM_ENABLE 0x06 /* obsolete */ +#define PFM_DISABLE 0x07 /* obsolete */ +#define PFM_CREATE_CONTEXT 0x08 +#define PFM_DESTROY_CONTEXT 0x09 /* obsolete use close() */ +#define PFM_RESTART 0x0a +#define PFM_PROTECT_CONTEXT 0x0b /* obsolete */ +#define PFM_GET_FEATURES 0x0c +#define PFM_DEBUG 0x0d +#define PFM_UNPROTECT_CONTEXT 0x0e /* obsolete */ +#define PFM_GET_PMC_RESET_VAL 0x0f +#define PFM_LOAD_CONTEXT 0x10 +#define PFM_UNLOAD_CONTEXT 0x11 + +/* + * PMU model specific commands (may not be supported on all PMU models) + */ +#define PFM_WRITE_IBRS 0x20 +#define PFM_WRITE_DBRS 0x21 + +/* + * context flags + */ +#define PFM_FL_NOTIFY_BLOCK 0x01 /* block task on user level notifications */ +#define PFM_FL_SYSTEM_WIDE 0x02 /* create a system wide context */ +#define PFM_FL_OVFL_NO_MSG 0x80 /* do not post overflow/end messages for notification */ + +/* + * event set flags + */ +#define PFM_SETFL_EXCL_IDLE 0x01 /* exclude idle task (syswide only) XXX: DO NOT USE YET */ + +/* + * PMC flags + */ +#define PFM_REGFL_OVFL_NOTIFY 0x1 /* send notification on overflow */ +#define PFM_REGFL_RANDOM 0x2 /* randomize sampling interval */ + +/* + * PMD/PMC/IBR/DBR return flags (ignored on input) + * + * Those flags are used on output and must be checked in case EAGAIN is returned + * by any of the calls using a pfarg_reg_t or pfarg_dbreg_t structure. + */ +#define PFM_REG_RETFL_NOTAVAIL (1UL<<31) /* set if register is implemented but not available */ +#define PFM_REG_RETFL_EINVAL (1UL<<30) /* set if register entry is invalid */ +#define PFM_REG_RETFL_MASK (PFM_REG_RETFL_NOTAVAIL|PFM_REG_RETFL_EINVAL) + +#define PFM_REG_HAS_ERROR(flag) (((flag) & PFM_REG_RETFL_MASK) != 0) + +typedef unsigned char pfm_uuid_t[16]; /* custom sampling buffer identifier type */ + +/* + * Request structure used to define a context + */ +typedef struct { + pfm_uuid_t ctx_smpl_buf_id; /* which buffer format to use (if needed) */ + unsigned long ctx_flags; /* noblock/block */ + unsigned short ctx_nextra_sets; /* number of extra event sets (you always get 1) */ + unsigned short ctx_reserved1; /* for future use */ + int ctx_fd; /* return arg: unique identification for context */ + void *ctx_smpl_vaddr; /* return arg: virtual address of sampling buffer, is used */ + unsigned long ctx_reserved2[11];/* for future use */ +} pfarg_context_t; + +/* + * Request structure used to write/read a PMC or PMD + */ +typedef struct { + unsigned int reg_num; /* which register */ + unsigned short reg_set; /* event set for this register */ + unsigned short reg_reserved1; /* for future use */ + + unsigned long reg_value; /* initial pmc/pmd value */ + unsigned long reg_flags; /* input: pmc/pmd flags, return: reg error */ + + unsigned long reg_long_reset; /* reset after buffer overflow notification */ + unsigned long reg_short_reset; /* reset after counter overflow */ + + unsigned long reg_reset_pmds[4]; /* which other counters to reset on overflow */ + unsigned long reg_random_seed; /* seed value when randomization is used */ + unsigned long reg_random_mask; /* bitmask used to limit random value */ + unsigned long reg_last_reset_val;/* return: PMD last reset value */ + + unsigned long reg_smpl_pmds[4]; /* which pmds are accessed when PMC overflows */ + unsigned long reg_smpl_eventid; /* opaque sampling event identifier */ + + unsigned long reg_reserved2[3]; /* for future use */ +} pfarg_reg_t; + +typedef struct { + unsigned int dbreg_num; /* which debug register */ + unsigned short dbreg_set; /* event set for this register */ + unsigned short dbreg_reserved1; /* for future use */ + unsigned long dbreg_value; /* value for debug register */ + unsigned long dbreg_flags; /* return: dbreg error */ + unsigned long dbreg_reserved2[1]; /* for future use */ +} pfarg_dbreg_t; + +typedef struct { + unsigned int ft_version; /* perfmon: major [16-31], minor [0-15] */ + unsigned int ft_reserved; /* reserved for future use */ + unsigned long reserved[4]; /* for future use */ +} pfarg_features_t; + +typedef struct { + pid_t load_pid; /* process to load the context into */ + unsigned short load_set; /* first event set to load */ + unsigned short load_reserved1; /* for future use */ + unsigned long load_reserved2[3]; /* for future use */ +} pfarg_load_t; + +typedef struct { + int msg_type; /* generic message header */ + int msg_ctx_fd; /* generic message header */ + unsigned long msg_ovfl_pmds[4]; /* which PMDs overflowed */ + unsigned short msg_active_set; /* active set at the time of overflow */ + unsigned short msg_reserved1; /* for future use */ + unsigned int msg_reserved2; /* for future use */ + unsigned long msg_tstamp; /* for perf tuning/debug */ +} pfm_ovfl_msg_t; + +typedef struct { + int msg_type; /* generic message header */ + int msg_ctx_fd; /* generic message header */ + unsigned long msg_tstamp; /* for perf tuning */ +} pfm_end_msg_t; + +typedef struct { + int msg_type; /* type of the message */ + int msg_ctx_fd; /* unique identifier for the context */ + unsigned long msg_tstamp; /* for perf tuning */ +} pfm_gen_msg_t; + +#define PFM_MSG_OVFL 1 /* an overflow happened */ +#define PFM_MSG_END 2 /* task to which context was attached ended */ + +typedef union { + pfm_ovfl_msg_t pfm_ovfl_msg; + pfm_end_msg_t pfm_end_msg; + pfm_gen_msg_t pfm_gen_msg; +} pfm_msg_t; + +/* + * Define the version numbers for both perfmon as a whole and the sampling buffer format. + */ +#define PFM_VERSION_MAJ 2U +#define PFM_VERSION_MIN 0U +#define PFM_VERSION (((PFM_VERSION_MAJ&0xffff)<<16)|(PFM_VERSION_MIN & 0xffff)) +#define PFM_VERSION_MAJOR(x) (((x)>>16) & 0xffff) +#define PFM_VERSION_MINOR(x) ((x) & 0xffff) + + +/* + * miscellaneous architected definitions + */ +#define PMU_FIRST_COUNTER 4 /* first counting monitor (PMC/PMD) */ +#define PMU_MAX_PMCS 256 /* maximum architected number of PMC registers */ +#define PMU_MAX_PMDS 256 /* maximum architected number of PMD registers */ + + +#endif /* _UAPI_ASM_IA64_PERFMON_H */ diff --git a/arch/ia64/include/asm/perfmon_default_smpl.h b/arch/ia64/include/uapi/asm/perfmon_default_smpl.h index a2d560c67230..a2d560c67230 100644 --- a/arch/ia64/include/asm/perfmon_default_smpl.h +++ b/arch/ia64/include/uapi/asm/perfmon_default_smpl.h diff --git a/arch/ia64/include/asm/poll.h b/arch/ia64/include/uapi/asm/poll.h index c98509d3149e..c98509d3149e 100644 --- a/arch/ia64/include/asm/poll.h +++ b/arch/ia64/include/uapi/asm/poll.h diff --git a/arch/ia64/include/asm/posix_types.h b/arch/ia64/include/uapi/asm/posix_types.h index 99ee1d6510cf..99ee1d6510cf 100644 --- a/arch/ia64/include/asm/posix_types.h +++ b/arch/ia64/include/uapi/asm/posix_types.h diff --git a/arch/ia64/include/uapi/asm/ptrace.h b/arch/ia64/include/uapi/asm/ptrace.h new file mode 100644 index 000000000000..0a02f634e12b --- /dev/null +++ b/arch/ia64/include/uapi/asm/ptrace.h @@ -0,0 +1,247 @@ +/* + * Copyright (C) 1998-2004 Hewlett-Packard Co + * David Mosberger-Tang <davidm@hpl.hp.com> + * Stephane Eranian <eranian@hpl.hp.com> + * Copyright (C) 2003 Intel Co + * Suresh Siddha <suresh.b.siddha@intel.com> + * Fenghua Yu <fenghua.yu@intel.com> + * Arun Sharma <arun.sharma@intel.com> + * + * 12/07/98 S. Eranian added pt_regs & switch_stack + * 12/21/98 D. Mosberger updated to match latest code + * 6/17/99 D. Mosberger added second unat member to "struct switch_stack" + * + */ +#ifndef _UAPI_ASM_IA64_PTRACE_H +#define _UAPI_ASM_IA64_PTRACE_H + +/* + * When a user process is blocked, its state looks as follows: + * + * +----------------------+ ------- IA64_STK_OFFSET + * | | ^ + * | struct pt_regs | | + * | | | + * +----------------------+ | + * | | | + * | memory stack | | + * | (growing downwards) | | + * //.....................// | + * | + * //.....................// | + * | | | + * +----------------------+ | + * | struct switch_stack | | + * | | | + * +----------------------+ | + * | | | + * //.....................// | + * | + * //.....................// | + * | | | + * | register stack | | + * | (growing upwards) | | + * | | | + * +----------------------+ | --- IA64_RBS_OFFSET + * | struct thread_info | | ^ + * +----------------------+ | | + * | | | | + * | struct task_struct | | | + * current -> | | | | + * +----------------------+ ------- + * + * Note that ar.ec is not saved explicitly in pt_reg or switch_stack. + * This is because ar.ec is saved as part of ar.pfs. + */ + + +#include <asm/fpu.h> + + +#ifndef __ASSEMBLY__ + +/* + * This struct defines the way the registers are saved on system + * calls. + * + * We don't save all floating point register because the kernel + * is compiled to use only a very small subset, so the other are + * untouched. + * + * THIS STRUCTURE MUST BE A MULTIPLE 16-BYTE IN SIZE + * (because the memory stack pointer MUST ALWAYS be aligned this way) + * + */ +struct pt_regs { + /* The following registers are saved by SAVE_MIN: */ + unsigned long b6; /* scratch */ + unsigned long b7; /* scratch */ + + unsigned long ar_csd; /* used by cmp8xchg16 (scratch) */ + unsigned long ar_ssd; /* reserved for future use (scratch) */ + + unsigned long r8; /* scratch (return value register 0) */ + unsigned long r9; /* scratch (return value register 1) */ + unsigned long r10; /* scratch (return value register 2) */ + unsigned long r11; /* scratch (return value register 3) */ + + unsigned long cr_ipsr; /* interrupted task's psr */ + unsigned long cr_iip; /* interrupted task's instruction pointer */ + /* + * interrupted task's function state; if bit 63 is cleared, it + * contains syscall's ar.pfs.pfm: + */ + unsigned long cr_ifs; + + unsigned long ar_unat; /* interrupted task's NaT register (preserved) */ + unsigned long ar_pfs; /* prev function state */ + unsigned long ar_rsc; /* RSE configuration */ + /* The following two are valid only if cr_ipsr.cpl > 0 || ti->flags & _TIF_MCA_INIT */ + unsigned long ar_rnat; /* RSE NaT */ + unsigned long ar_bspstore; /* RSE bspstore */ + + unsigned long pr; /* 64 predicate registers (1 bit each) */ + unsigned long b0; /* return pointer (bp) */ + unsigned long loadrs; /* size of dirty partition << 16 */ + + unsigned long r1; /* the gp pointer */ + unsigned long r12; /* interrupted task's memory stack pointer */ + unsigned long r13; /* thread pointer */ + + unsigned long ar_fpsr; /* floating point status (preserved) */ + unsigned long r15; /* scratch */ + + /* The remaining registers are NOT saved for system calls. */ + + unsigned long r14; /* scratch */ + unsigned long r2; /* scratch */ + unsigned long r3; /* scratch */ + + /* The following registers are saved by SAVE_REST: */ + unsigned long r16; /* scratch */ + unsigned long r17; /* scratch */ + unsigned long r18; /* scratch */ + unsigned long r19; /* scratch */ + unsigned long r20; /* scratch */ + unsigned long r21; /* scratch */ + unsigned long r22; /* scratch */ + unsigned long r23; /* scratch */ + unsigned long r24; /* scratch */ + unsigned long r25; /* scratch */ + unsigned long r26; /* scratch */ + unsigned long r27; /* scratch */ + unsigned long r28; /* scratch */ + unsigned long r29; /* scratch */ + unsigned long r30; /* scratch */ + unsigned long r31; /* scratch */ + + unsigned long ar_ccv; /* compare/exchange value (scratch) */ + + /* + * Floating point registers that the kernel considers scratch: + */ + struct ia64_fpreg f6; /* scratch */ + struct ia64_fpreg f7; /* scratch */ + struct ia64_fpreg f8; /* scratch */ + struct ia64_fpreg f9; /* scratch */ + struct ia64_fpreg f10; /* scratch */ + struct ia64_fpreg f11; /* scratch */ +}; + +/* + * This structure contains the addition registers that need to + * preserved across a context switch. This generally consists of + * "preserved" registers. + */ +struct switch_stack { + unsigned long caller_unat; /* user NaT collection register (preserved) */ + unsigned long ar_fpsr; /* floating-point status register */ + + struct ia64_fpreg f2; /* preserved */ + struct ia64_fpreg f3; /* preserved */ + struct ia64_fpreg f4; /* preserved */ + struct ia64_fpreg f5; /* preserved */ + + struct ia64_fpreg f12; /* scratch, but untouched by kernel */ + struct ia64_fpreg f13; /* scratch, but untouched by kernel */ + struct ia64_fpreg f14; /* scratch, but untouched by kernel */ + struct ia64_fpreg f15; /* scratch, but untouched by kernel */ + struct ia64_fpreg f16; /* preserved */ + struct ia64_fpreg f17; /* preserved */ + struct ia64_fpreg f18; /* preserved */ + struct ia64_fpreg f19; /* preserved */ + struct ia64_fpreg f20; /* preserved */ + struct ia64_fpreg f21; /* preserved */ + struct ia64_fpreg f22; /* preserved */ + struct ia64_fpreg f23; /* preserved */ + struct ia64_fpreg f24; /* preserved */ + struct ia64_fpreg f25; /* preserved */ + struct ia64_fpreg f26; /* preserved */ + struct ia64_fpreg f27; /* preserved */ + struct ia64_fpreg f28; /* preserved */ + struct ia64_fpreg f29; /* preserved */ + struct ia64_fpreg f30; /* preserved */ + struct ia64_fpreg f31; /* preserved */ + + unsigned long r4; /* preserved */ + unsigned long r5; /* preserved */ + unsigned long r6; /* preserved */ + unsigned long r7; /* preserved */ + + unsigned long b0; /* so we can force a direct return in copy_thread */ + unsigned long b1; + unsigned long b2; + unsigned long b3; + unsigned long b4; + unsigned long b5; + + unsigned long ar_pfs; /* previous function state */ + unsigned long ar_lc; /* loop counter (preserved) */ + unsigned long ar_unat; /* NaT bits for r4-r7 */ + unsigned long ar_rnat; /* RSE NaT collection register */ + unsigned long ar_bspstore; /* RSE dirty base (preserved) */ + unsigned long pr; /* 64 predicate registers (1 bit each) */ +}; + + +/* pt_all_user_regs is used for PTRACE_GETREGS PTRACE_SETREGS */ +struct pt_all_user_regs { + unsigned long nat; + unsigned long cr_iip; + unsigned long cfm; + unsigned long cr_ipsr; + unsigned long pr; + + unsigned long gr[32]; + unsigned long br[8]; + unsigned long ar[128]; + struct ia64_fpreg fr[128]; +}; + +#endif /* !__ASSEMBLY__ */ + +/* indices to application-registers array in pt_all_user_regs */ +#define PT_AUR_RSC 16 +#define PT_AUR_BSP 17 +#define PT_AUR_BSPSTORE 18 +#define PT_AUR_RNAT 19 +#define PT_AUR_CCV 32 +#define PT_AUR_UNAT 36 +#define PT_AUR_FPSR 40 +#define PT_AUR_PFS 64 +#define PT_AUR_LC 65 +#define PT_AUR_EC 66 + +/* + * The numbers chosen here are somewhat arbitrary but absolutely MUST + * not overlap with any of the number assigned in <linux/ptrace.h>. + */ +#define PTRACE_SINGLEBLOCK 12 /* resume execution until next branch */ +#define PTRACE_OLD_GETSIGINFO 13 /* (replaced by PTRACE_GETSIGINFO in <linux/ptrace.h>) */ +#define PTRACE_OLD_SETSIGINFO 14 /* (replaced by PTRACE_SETSIGINFO in <linux/ptrace.h>) */ +#define PTRACE_GETREGS 18 /* get all registers (pt_all_user_regs) in one shot */ +#define PTRACE_SETREGS 19 /* set all registers (pt_all_user_regs) in one shot */ + +#define PTRACE_OLDSETOPTIONS 21 + +#endif /* _UAPI_ASM_IA64_PTRACE_H */ diff --git a/arch/ia64/include/asm/ptrace_offsets.h b/arch/ia64/include/uapi/asm/ptrace_offsets.h index b712773c759e..b712773c759e 100644 --- a/arch/ia64/include/asm/ptrace_offsets.h +++ b/arch/ia64/include/uapi/asm/ptrace_offsets.h diff --git a/arch/ia64/include/asm/resource.h b/arch/ia64/include/uapi/asm/resource.h index ba2272a87fc7..ba2272a87fc7 100644 --- a/arch/ia64/include/asm/resource.h +++ b/arch/ia64/include/uapi/asm/resource.h diff --git a/arch/ia64/include/asm/rse.h b/arch/ia64/include/uapi/asm/rse.h index 02830a3b0196..02830a3b0196 100644 --- a/arch/ia64/include/asm/rse.h +++ b/arch/ia64/include/uapi/asm/rse.h diff --git a/arch/ia64/include/asm/sembuf.h b/arch/ia64/include/uapi/asm/sembuf.h index 1340fbc04d3e..1340fbc04d3e 100644 --- a/arch/ia64/include/asm/sembuf.h +++ b/arch/ia64/include/uapi/asm/sembuf.h diff --git a/arch/ia64/include/asm/setup.h b/arch/ia64/include/uapi/asm/setup.h index 8d56458310b3..8d56458310b3 100644 --- a/arch/ia64/include/asm/setup.h +++ b/arch/ia64/include/uapi/asm/setup.h diff --git a/arch/ia64/include/asm/shmbuf.h b/arch/ia64/include/uapi/asm/shmbuf.h index 585002a77acd..585002a77acd 100644 --- a/arch/ia64/include/asm/shmbuf.h +++ b/arch/ia64/include/uapi/asm/shmbuf.h diff --git a/arch/ia64/include/asm/sigcontext.h b/arch/ia64/include/uapi/asm/sigcontext.h index 57ff777bcc40..57ff777bcc40 100644 --- a/arch/ia64/include/asm/sigcontext.h +++ b/arch/ia64/include/uapi/asm/sigcontext.h diff --git a/arch/ia64/include/uapi/asm/siginfo.h b/arch/ia64/include/uapi/asm/siginfo.h new file mode 100644 index 000000000000..4ea6225196bb --- /dev/null +++ b/arch/ia64/include/uapi/asm/siginfo.h @@ -0,0 +1,121 @@ +/* + * Based on <asm-i386/siginfo.h>. + * + * Modified 1998-2002 + * David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co + */ +#ifndef _UAPI_ASM_IA64_SIGINFO_H +#define _UAPI_ASM_IA64_SIGINFO_H + + +#define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int)) + +#define HAVE_ARCH_SIGINFO_T +#define HAVE_ARCH_COPY_SIGINFO +#define HAVE_ARCH_COPY_SIGINFO_TO_USER + +#include <asm-generic/siginfo.h> + +typedef struct siginfo { + int si_signo; + int si_errno; + int si_code; + int __pad0; + + union { + int _pad[SI_PAD_SIZE]; + + /* kill() */ + struct { + pid_t _pid; /* sender's pid */ + uid_t _uid; /* sender's uid */ + } _kill; + + /* POSIX.1b timers */ + struct { + timer_t _tid; /* timer id */ + int _overrun; /* overrun count */ + char _pad[sizeof(__ARCH_SI_UID_T) - sizeof(int)]; + sigval_t _sigval; /* must overlay ._rt._sigval! */ + int _sys_private; /* not to be passed to user */ + } _timer; + + /* POSIX.1b signals */ + struct { + pid_t _pid; /* sender's pid */ + uid_t _uid; /* sender's uid */ + sigval_t _sigval; + } _rt; + + /* SIGCHLD */ + struct { + pid_t _pid; /* which child */ + uid_t _uid; /* sender's uid */ + int _status; /* exit code */ + clock_t _utime; + clock_t _stime; + } _sigchld; + + /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */ + struct { + void __user *_addr; /* faulting insn/memory ref. */ + int _imm; /* immediate value for "break" */ + unsigned int _flags; /* see below */ + unsigned long _isr; /* isr */ + short _addr_lsb; /* lsb of faulting address */ + } _sigfault; + + /* SIGPOLL */ + struct { + long _band; /* POLL_IN, POLL_OUT, POLL_MSG (XPG requires a "long") */ + int _fd; + } _sigpoll; + } _sifields; +} siginfo_t; + +#define si_imm _sifields._sigfault._imm /* as per UNIX SysV ABI spec */ +#define si_flags _sifields._sigfault._flags +/* + * si_isr is valid for SIGILL, SIGFPE, SIGSEGV, SIGBUS, and SIGTRAP provided that + * si_code is non-zero and __ISR_VALID is set in si_flags. + */ +#define si_isr _sifields._sigfault._isr + +/* + * Flag values for si_flags: + */ +#define __ISR_VALID_BIT 0 +#define __ISR_VALID (1 << __ISR_VALID_BIT) + +/* + * SIGILL si_codes + */ +#define ILL_BADIADDR (__SI_FAULT|9) /* unimplemented instruction address */ +#define __ILL_BREAK (__SI_FAULT|10) /* illegal break */ +#define __ILL_BNDMOD (__SI_FAULT|11) /* bundle-update (modification) in progress */ +#undef NSIGILL +#define NSIGILL 11 + +/* + * SIGFPE si_codes + */ +#define __FPE_DECOVF (__SI_FAULT|9) /* decimal overflow */ +#define __FPE_DECDIV (__SI_FAULT|10) /* decimal division by zero */ +#define __FPE_DECERR (__SI_FAULT|11) /* packed decimal error */ +#define __FPE_INVASC (__SI_FAULT|12) /* invalid ASCII digit */ +#define __FPE_INVDEC (__SI_FAULT|13) /* invalid decimal digit */ +#undef NSIGFPE +#define NSIGFPE 13 + +/* + * SIGSEGV si_codes + */ +#define __SEGV_PSTKOVF (__SI_FAULT|3) /* paragraph stack overflow */ +#undef NSIGSEGV +#define NSIGSEGV 3 + +#undef NSIGTRAP +#define NSIGTRAP 4 + + +#endif /* _UAPI_ASM_IA64_SIGINFO_H */ diff --git a/arch/ia64/include/uapi/asm/signal.h b/arch/ia64/include/uapi/asm/signal.h new file mode 100644 index 000000000000..e531c424434c --- /dev/null +++ b/arch/ia64/include/uapi/asm/signal.h @@ -0,0 +1,127 @@ +/* + * Modified 1998-2001, 2003 + * David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co + * + * Unfortunately, this file is being included by bits/signal.h in + * glibc-2.x. Hence the #ifdef __KERNEL__ ugliness. + */ +#ifndef _UAPI_ASM_IA64_SIGNAL_H +#define _UAPI_ASM_IA64_SIGNAL_H + + +#define SIGHUP 1 +#define SIGINT 2 +#define SIGQUIT 3 +#define SIGILL 4 +#define SIGTRAP 5 +#define SIGABRT 6 +#define SIGIOT 6 +#define SIGBUS 7 +#define SIGFPE 8 +#define SIGKILL 9 +#define SIGUSR1 10 +#define SIGSEGV 11 +#define SIGUSR2 12 +#define SIGPIPE 13 +#define SIGALRM 14 +#define SIGTERM 15 +#define SIGSTKFLT 16 +#define SIGCHLD 17 +#define SIGCONT 18 +#define SIGSTOP 19 +#define SIGTSTP 20 +#define SIGTTIN 21 +#define SIGTTOU 22 +#define SIGURG 23 +#define SIGXCPU 24 +#define SIGXFSZ 25 +#define SIGVTALRM 26 +#define SIGPROF 27 +#define SIGWINCH 28 +#define SIGIO 29 +#define SIGPOLL SIGIO +/* +#define SIGLOST 29 +*/ +#define SIGPWR 30 +#define SIGSYS 31 +/* signal 31 is no longer "unused", but the SIGUNUSED macro remains for backwards compatibility */ +#define SIGUNUSED 31 + +/* These should not be considered constants from userland. */ +#define SIGRTMIN 32 +#define SIGRTMAX _NSIG + +/* + * SA_FLAGS values: + * + * SA_ONSTACK indicates that a registered stack_t will be used. + * SA_RESTART flag to get restarting signals (which were the default long ago) + * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. + * SA_RESETHAND clears the handler when the signal is delivered. + * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. + * SA_NODEFER prevents the current signal from being masked in the handler. + * + * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single + * Unix names RESETHAND and NODEFER respectively. + */ +#define SA_NOCLDSTOP 0x00000001 +#define SA_NOCLDWAIT 0x00000002 +#define SA_SIGINFO 0x00000004 +#define SA_ONSTACK 0x08000000 +#define SA_RESTART 0x10000000 +#define SA_NODEFER 0x40000000 +#define SA_RESETHAND 0x80000000 + +#define SA_NOMASK SA_NODEFER +#define SA_ONESHOT SA_RESETHAND + +#define SA_RESTORER 0x04000000 + +/* + * sigaltstack controls + */ +#define SS_ONSTACK 1 +#define SS_DISABLE 2 + +/* + * The minimum stack size needs to be fairly large because we want to + * be sure that an app compiled for today's CPUs will continue to run + * on all future CPU models. The CPU model matters because the signal + * frame needs to have space for the complete machine state, including + * all physical stacked registers. The number of physical stacked + * registers is CPU model dependent, but given that the width of + * ar.rsc.loadrs is 14 bits, we can assume that they'll never take up + * more than 16KB of space. + */ +#if 1 + /* + * This is a stupid typo: the value was _meant_ to be 131072 (0x20000), but I typed it + * in wrong. ;-( To preserve backwards compatibility, we leave the kernel at the + * incorrect value and fix libc only. + */ +# define MINSIGSTKSZ 131027 /* min. stack size for sigaltstack() */ +#else +# define MINSIGSTKSZ 131072 /* min. stack size for sigaltstack() */ +#endif +#define SIGSTKSZ 262144 /* default stack size for sigaltstack() */ + + +#include <asm-generic/signal-defs.h> + +# ifndef __ASSEMBLY__ + +# include <linux/types.h> + +/* Avoid too many header ordering problems. */ +struct siginfo; + +typedef struct sigaltstack { + void __user *ss_sp; + int ss_flags; + size_t ss_size; +} stack_t; + + +# endif /* !__ASSEMBLY__ */ +#endif /* _UAPI_ASM_IA64_SIGNAL_H */ diff --git a/arch/ia64/include/asm/socket.h b/arch/ia64/include/uapi/asm/socket.h index 41fc28a4a18a..41fc28a4a18a 100644 --- a/arch/ia64/include/asm/socket.h +++ b/arch/ia64/include/uapi/asm/socket.h diff --git a/arch/ia64/include/asm/sockios.h b/arch/ia64/include/uapi/asm/sockios.h index 15c92468ad38..15c92468ad38 100644 --- a/arch/ia64/include/asm/sockios.h +++ b/arch/ia64/include/uapi/asm/sockios.h diff --git a/arch/ia64/include/asm/stat.h b/arch/ia64/include/uapi/asm/stat.h index 367bb90cdffa..367bb90cdffa 100644 --- a/arch/ia64/include/asm/stat.h +++ b/arch/ia64/include/uapi/asm/stat.h diff --git a/arch/ia64/include/asm/statfs.h b/arch/ia64/include/uapi/asm/statfs.h index 1e589669de56..1e589669de56 100644 --- a/arch/ia64/include/asm/statfs.h +++ b/arch/ia64/include/uapi/asm/statfs.h diff --git a/arch/ia64/include/asm/swab.h b/arch/ia64/include/uapi/asm/swab.h index c89a8cb5d8a5..c89a8cb5d8a5 100644 --- a/arch/ia64/include/asm/swab.h +++ b/arch/ia64/include/uapi/asm/swab.h diff --git a/arch/ia64/include/asm/termbits.h b/arch/ia64/include/uapi/asm/termbits.h index c009b94e58d9..c009b94e58d9 100644 --- a/arch/ia64/include/asm/termbits.h +++ b/arch/ia64/include/uapi/asm/termbits.h diff --git a/arch/ia64/include/uapi/asm/termios.h b/arch/ia64/include/uapi/asm/termios.h new file mode 100644 index 000000000000..d59b48c307f8 --- /dev/null +++ b/arch/ia64/include/uapi/asm/termios.h @@ -0,0 +1,50 @@ +/* + * Modified 1999 + * David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co + * + * 99/01/28 Added N_IRDA and N_SMSBLOCK + */ +#ifndef _UAPI_ASM_IA64_TERMIOS_H +#define _UAPI_ASM_IA64_TERMIOS_H + + +#include <asm/termbits.h> +#include <asm/ioctls.h> + +struct winsize { + unsigned short ws_row; + unsigned short ws_col; + unsigned short ws_xpixel; + unsigned short ws_ypixel; +}; + +#define NCC 8 +struct termio { + unsigned short c_iflag; /* input mode flags */ + unsigned short c_oflag; /* output mode flags */ + unsigned short c_cflag; /* control mode flags */ + unsigned short c_lflag; /* local mode flags */ + unsigned char c_line; /* line discipline */ + unsigned char c_cc[NCC]; /* control characters */ +}; + +/* modem lines */ +#define TIOCM_LE 0x001 +#define TIOCM_DTR 0x002 +#define TIOCM_RTS 0x004 +#define TIOCM_ST 0x008 +#define TIOCM_SR 0x010 +#define TIOCM_CTS 0x020 +#define TIOCM_CAR 0x040 +#define TIOCM_RNG 0x080 +#define TIOCM_DSR 0x100 +#define TIOCM_CD TIOCM_CAR +#define TIOCM_RI TIOCM_RNG +#define TIOCM_OUT1 0x2000 +#define TIOCM_OUT2 0x4000 +#define TIOCM_LOOP 0x8000 + +/* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */ + + +#endif /* _UAPI_ASM_IA64_TERMIOS_H */ diff --git a/arch/ia64/include/uapi/asm/types.h b/arch/ia64/include/uapi/asm/types.h new file mode 100644 index 000000000000..321193b05eed --- /dev/null +++ b/arch/ia64/include/uapi/asm/types.h @@ -0,0 +1,31 @@ +/* + * This file is never included by application software unless explicitly + * requested (e.g., via linux/types.h) in which case the application is + * Linux specific so (user-) name space pollution is not a major issue. + * However, for interoperability, libraries still need to be careful to + * avoid naming clashes. + * + * Based on <asm-alpha/types.h>. + * + * Modified 1998-2000, 2002 + * David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co + */ +#ifndef _UAPI_ASM_IA64_TYPES_H +#define _UAPI_ASM_IA64_TYPES_H + + +#ifndef __KERNEL__ +#include <asm-generic/int-l64.h> +#endif + +#ifdef __ASSEMBLY__ +# define __IA64_UL(x) (x) +# define __IA64_UL_CONST(x) x + +#else +# define __IA64_UL(x) ((unsigned long)(x)) +# define __IA64_UL_CONST(x) x##UL + +#endif /* !__ASSEMBLY__ */ + +#endif /* _UAPI_ASM_IA64_TYPES_H */ diff --git a/arch/ia64/include/asm/ucontext.h b/arch/ia64/include/uapi/asm/ucontext.h index bf573dc8ca6a..bf573dc8ca6a 100644 --- a/arch/ia64/include/asm/ucontext.h +++ b/arch/ia64/include/uapi/asm/ucontext.h diff --git a/arch/ia64/include/uapi/asm/unistd.h b/arch/ia64/include/uapi/asm/unistd.h new file mode 100644 index 000000000000..b706aa54df20 --- /dev/null +++ b/arch/ia64/include/uapi/asm/unistd.h @@ -0,0 +1,328 @@ +/* + * IA-64 Linux syscall numbers and inline-functions. + * + * Copyright (C) 1998-2005 Hewlett-Packard Co + * David Mosberger-Tang <davidm@hpl.hp.com> + */ +#ifndef _UAPI_ASM_IA64_UNISTD_H +#define _UAPI_ASM_IA64_UNISTD_H + + +#include <asm/break.h> + +#define __BREAK_SYSCALL __IA64_BREAK_SYSCALL + +#define __NR_ni_syscall 1024 +#define __NR_exit 1025 +#define __NR_read 1026 +#define __NR_write 1027 +#define __NR_open 1028 +#define __NR_close 1029 +#define __NR_creat 1030 +#define __NR_link 1031 +#define __NR_unlink 1032 +#define __NR_execve 1033 +#define __NR_chdir 1034 +#define __NR_fchdir 1035 +#define __NR_utimes 1036 +#define __NR_mknod 1037 +#define __NR_chmod 1038 +#define __NR_chown 1039 +#define __NR_lseek 1040 +#define __NR_getpid 1041 +#define __NR_getppid 1042 +#define __NR_mount 1043 +#define __NR_umount 1044 +#define __NR_setuid 1045 +#define __NR_getuid 1046 +#define __NR_geteuid 1047 +#define __NR_ptrace 1048 +#define __NR_access 1049 +#define __NR_sync 1050 +#define __NR_fsync 1051 +#define __NR_fdatasync 1052 +#define __NR_kill 1053 +#define __NR_rename 1054 +#define __NR_mkdir 1055 +#define __NR_rmdir 1056 +#define __NR_dup 1057 +#define __NR_pipe 1058 +#define __NR_times 1059 +#define __NR_brk 1060 +#define __NR_setgid 1061 +#define __NR_getgid 1062 +#define __NR_getegid 1063 +#define __NR_acct 1064 +#define __NR_ioctl 1065 +#define __NR_fcntl 1066 +#define __NR_umask 1067 +#define __NR_chroot 1068 +#define __NR_ustat 1069 +#define __NR_dup2 1070 +#define __NR_setreuid 1071 +#define __NR_setregid 1072 +#define __NR_getresuid 1073 +#define __NR_setresuid 1074 +#define __NR_getresgid 1075 +#define __NR_setresgid 1076 +#define __NR_getgroups 1077 +#define __NR_setgroups 1078 +#define __NR_getpgid 1079 +#define __NR_setpgid 1080 +#define __NR_setsid 1081 +#define __NR_getsid 1082 +#define __NR_sethostname 1083 +#define __NR_setrlimit 1084 +#define __NR_getrlimit 1085 +#define __NR_getrusage 1086 +#define __NR_gettimeofday 1087 +#define __NR_settimeofday 1088 +#define __NR_select 1089 +#define __NR_poll 1090 +#define __NR_symlink 1091 +#define __NR_readlink 1092 +#define __NR_uselib 1093 +#define __NR_swapon 1094 +#define __NR_swapoff 1095 +#define __NR_reboot 1096 +#define __NR_truncate 1097 +#define __NR_ftruncate 1098 +#define __NR_fchmod 1099 +#define __NR_fchown 1100 +#define __NR_getpriority 1101 +#define __NR_setpriority 1102 +#define __NR_statfs 1103 +#define __NR_fstatfs 1104 +#define __NR_gettid 1105 +#define __NR_semget 1106 +#define __NR_semop 1107 +#define __NR_semctl 1108 +#define __NR_msgget 1109 +#define __NR_msgsnd 1110 +#define __NR_msgrcv 1111 +#define __NR_msgctl 1112 +#define __NR_shmget 1113 +#define __NR_shmat 1114 +#define __NR_shmdt 1115 +#define __NR_shmctl 1116 +/* also known as klogctl() in GNU libc: */ +#define __NR_syslog 1117 +#define __NR_setitimer 1118 +#define __NR_getitimer 1119 +/* 1120 was __NR_old_stat */ +/* 1121 was __NR_old_lstat */ +/* 1122 was __NR_old_fstat */ +#define __NR_vhangup 1123 +#define __NR_lchown 1124 +#define __NR_remap_file_pages 1125 +#define __NR_wait4 1126 +#define __NR_sysinfo 1127 +#define __NR_clone 1128 +#define __NR_setdomainname 1129 +#define __NR_uname 1130 +#define __NR_adjtimex 1131 +/* 1132 was __NR_create_module */ +#define __NR_init_module 1133 +#define __NR_delete_module 1134 +/* 1135 was __NR_get_kernel_syms */ +/* 1136 was __NR_query_module */ +#define __NR_quotactl 1137 +#define __NR_bdflush 1138 +#define __NR_sysfs 1139 +#define __NR_personality 1140 +#define __NR_afs_syscall 1141 +#define __NR_setfsuid 1142 +#define __NR_setfsgid 1143 +#define __NR_getdents 1144 +#define __NR_flock 1145 +#define __NR_readv 1146 +#define __NR_writev 1147 +#define __NR_pread64 1148 +#define __NR_pwrite64 1149 +#define __NR__sysctl 1150 +#define __NR_mmap 1151 +#define __NR_munmap 1152 +#define __NR_mlock 1153 +#define __NR_mlockall 1154 +#define __NR_mprotect 1155 +#define __NR_mremap 1156 +#define __NR_msync 1157 +#define __NR_munlock 1158 +#define __NR_munlockall 1159 +#define __NR_sched_getparam 1160 +#define __NR_sched_setparam 1161 +#define __NR_sched_getscheduler 1162 +#define __NR_sched_setscheduler 1163 +#define __NR_sched_yield 1164 +#define __NR_sched_get_priority_max 1165 +#define __NR_sched_get_priority_min 1166 +#define __NR_sched_rr_get_interval 1167 +#define __NR_nanosleep 1168 +#define __NR_nfsservctl 1169 +#define __NR_prctl 1170 +/* 1171 is reserved for backwards compatibility with old __NR_getpagesize */ +#define __NR_mmap2 1172 +#define __NR_pciconfig_read 1173 +#define __NR_pciconfig_write 1174 +#define __NR_perfmonctl 1175 +#define __NR_sigaltstack 1176 +#define __NR_rt_sigaction 1177 +#define __NR_rt_sigpending 1178 +#define __NR_rt_sigprocmask 1179 +#define __NR_rt_sigqueueinfo 1180 +#define __NR_rt_sigreturn 1181 +#define __NR_rt_sigsuspend 1182 +#define __NR_rt_sigtimedwait 1183 +#define __NR_getcwd 1184 +#define __NR_capget 1185 +#define __NR_capset 1186 +#define __NR_sendfile 1187 +#define __NR_getpmsg 1188 +#define __NR_putpmsg 1189 +#define __NR_socket 1190 +#define __NR_bind 1191 +#define __NR_connect 1192 +#define __NR_listen 1193 +#define __NR_accept 1194 +#define __NR_getsockname 1195 +#define __NR_getpeername 1196 +#define __NR_socketpair 1197 +#define __NR_send 1198 +#define __NR_sendto 1199 +#define __NR_recv 1200 +#define __NR_recvfrom 1201 +#define __NR_shutdown 1202 +#define __NR_setsockopt 1203 +#define __NR_getsockopt 1204 +#define __NR_sendmsg 1205 +#define __NR_recvmsg 1206 +#define __NR_pivot_root 1207 +#define __NR_mincore 1208 +#define __NR_madvise 1209 +#define __NR_stat 1210 +#define __NR_lstat 1211 +#define __NR_fstat 1212 +#define __NR_clone2 1213 +#define __NR_getdents64 1214 +#define __NR_getunwind 1215 +#define __NR_readahead 1216 +#define __NR_setxattr 1217 +#define __NR_lsetxattr 1218 +#define __NR_fsetxattr 1219 +#define __NR_getxattr 1220 +#define __NR_lgetxattr 1221 +#define __NR_fgetxattr 1222 +#define __NR_listxattr 1223 +#define __NR_llistxattr 1224 +#define __NR_flistxattr 1225 +#define __NR_removexattr 1226 +#define __NR_lremovexattr 1227 +#define __NR_fremovexattr 1228 +#define __NR_tkill 1229 +#define __NR_futex 1230 +#define __NR_sched_setaffinity 1231 +#define __NR_sched_getaffinity 1232 +#define __NR_set_tid_address 1233 +#define __NR_fadvise64 1234 +#define __NR_tgkill 1235 +#define __NR_exit_group 1236 +#define __NR_lookup_dcookie 1237 +#define __NR_io_setup 1238 +#define __NR_io_destroy 1239 +#define __NR_io_getevents 1240 +#define __NR_io_submit 1241 +#define __NR_io_cancel 1242 +#define __NR_epoll_create 1243 +#define __NR_epoll_ctl 1244 +#define __NR_epoll_wait 1245 +#define __NR_restart_syscall 1246 +#define __NR_semtimedop 1247 +#define __NR_timer_create 1248 +#define __NR_timer_settime 1249 +#define __NR_timer_gettime 1250 +#define __NR_timer_getoverrun 1251 +#define __NR_timer_delete 1252 +#define __NR_clock_settime 1253 +#define __NR_clock_gettime 1254 +#define __NR_clock_getres 1255 +#define __NR_clock_nanosleep 1256 +#define __NR_fstatfs64 1257 +#define __NR_statfs64 1258 +#define __NR_mbind 1259 +#define __NR_get_mempolicy 1260 +#define __NR_set_mempolicy 1261 +#define __NR_mq_open 1262 +#define __NR_mq_unlink 1263 +#define __NR_mq_timedsend 1264 +#define __NR_mq_timedreceive 1265 +#define __NR_mq_notify 1266 +#define __NR_mq_getsetattr 1267 +#define __NR_kexec_load 1268 +#define __NR_vserver 1269 +#define __NR_waitid 1270 +#define __NR_add_key 1271 +#define __NR_request_key 1272 +#define __NR_keyctl 1273 +#define __NR_ioprio_set 1274 +#define __NR_ioprio_get 1275 +#define __NR_move_pages 1276 +#define __NR_inotify_init 1277 +#define __NR_inotify_add_watch 1278 +#define __NR_inotify_rm_watch 1279 +#define __NR_migrate_pages 1280 +#define __NR_openat 1281 +#define __NR_mkdirat 1282 +#define __NR_mknodat 1283 +#define __NR_fchownat 1284 +#define __NR_futimesat 1285 +#define __NR_newfstatat 1286 +#define __NR_unlinkat 1287 +#define __NR_renameat 1288 +#define __NR_linkat 1289 +#define __NR_symlinkat 1290 +#define __NR_readlinkat 1291 +#define __NR_fchmodat 1292 +#define __NR_faccessat 1293 +#define __NR_pselect6 1294 +#define __NR_ppoll 1295 +#define __NR_unshare 1296 +#define __NR_splice 1297 +#define __NR_set_robust_list 1298 +#define __NR_get_robust_list 1299 +#define __NR_sync_file_range 1300 +#define __NR_tee 1301 +#define __NR_vmsplice 1302 +#define __NR_fallocate 1303 +#define __NR_getcpu 1304 +#define __NR_epoll_pwait 1305 +#define __NR_utimensat 1306 +#define __NR_signalfd 1307 +#define __NR_timerfd 1308 +#define __NR_eventfd 1309 +#define __NR_timerfd_create 1310 +#define __NR_timerfd_settime 1311 +#define __NR_timerfd_gettime 1312 +#define __NR_signalfd4 1313 +#define __NR_eventfd2 1314 +#define __NR_epoll_create1 1315 +#define __NR_dup3 1316 +#define __NR_pipe2 1317 +#define __NR_inotify_init1 1318 +#define __NR_preadv 1319 +#define __NR_pwritev 1320 +#define __NR_rt_tgsigqueueinfo 1321 +#define __NR_recvmmsg 1322 +#define __NR_fanotify_init 1323 +#define __NR_fanotify_mark 1324 +#define __NR_prlimit64 1325 +#define __NR_name_to_handle_at 1326 +#define __NR_open_by_handle_at 1327 +#define __NR_clock_adjtime 1328 +#define __NR_syncfs 1329 +#define __NR_setns 1330 +#define __NR_sendmmsg 1331 +#define __NR_process_vm_readv 1332 +#define __NR_process_vm_writev 1333 +#define __NR_accept4 1334 + +#endif /* _UAPI_ASM_IA64_UNISTD_H */ diff --git a/arch/ia64/include/uapi/asm/ustack.h b/arch/ia64/include/uapi/asm/ustack.h new file mode 100644 index 000000000000..1dfebc622692 --- /dev/null +++ b/arch/ia64/include/uapi/asm/ustack.h @@ -0,0 +1,12 @@ +#ifndef _UAPI_ASM_IA64_USTACK_H +#define _UAPI_ASM_IA64_USTACK_H + +/* + * Constants for the user stack size + */ + + +/* Make a default stack size of 2GiB */ +#define DEFAULT_USER_STACK_SIZE (1UL << 31) + +#endif /* _UAPI_ASM_IA64_USTACK_H */ diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c index ee31fe9b310e..35e106f2ed13 100644 --- a/arch/ia64/kernel/process.c +++ b/arch/ia64/kernel/process.c @@ -614,14 +614,14 @@ sys_execve (const char __user *filename, const char __user *const __user *envp, struct pt_regs *regs) { - char *fname; + struct filename *fname; int error; fname = getname(filename); error = PTR_ERR(fname); if (IS_ERR(fname)) goto out; - error = do_execve(fname, argv, envp, regs); + error = do_execve(fname->name, argv, envp, regs); putname(fname); out: return error; diff --git a/arch/ia64/kernel/signal.c b/arch/ia64/kernel/signal.c index 37dd79511cbe..680b73786be8 100644 --- a/arch/ia64/kernel/signal.c +++ b/arch/ia64/kernel/signal.c @@ -438,14 +438,6 @@ ia64_do_signal (struct sigscratch *scr, long in_syscall) long errno = scr->pt.r8; /* - * In the ia64_leave_kernel code path, we want the common case to go fast, which - * is why we may in certain cases get here from kernel mode. Just return without - * doing anything if so. - */ - if (!user_mode(&scr->pt)) - return; - - /* * This only loops in the rare cases of handle_signal() failing, in which case we * need to push through a forced SIGSEGV. */ diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c index 80ff9acc5edf..f6388216080d 100644 --- a/arch/ia64/kernel/time.c +++ b/arch/ia64/kernel/time.c @@ -19,7 +19,7 @@ #include <linux/interrupt.h> #include <linux/efi.h> #include <linux/timex.h> -#include <linux/clocksource.h> +#include <linux/timekeeper_internal.h> #include <linux/platform_device.h> #include <asm/machvec.h> @@ -454,7 +454,7 @@ void update_vsyscall_tz(void) { } -void update_vsyscall(struct timespec *wall, struct timespec *wtm, +void update_vsyscall_old(struct timespec *wall, struct timespec *wtm, struct clocksource *c, u32 mult) { write_seqcount_begin(&fsyscall_gtod_data.seq); diff --git a/arch/m32r/include/asm/thread_info.h b/arch/m32r/include/asm/thread_info.h index c083f6073ef4..c074f4c2e858 100644 --- a/arch/m32r/include/asm/thread_info.h +++ b/arch/m32r/include/asm/thread_info.h @@ -119,25 +119,20 @@ static inline unsigned int get_thread_fault_code(void) #define TIF_SIGPENDING 1 /* signal pending */ #define TIF_NEED_RESCHED 2 /* rescheduling necessary */ #define TIF_SINGLESTEP 3 /* restore singlestep on return to user mode */ -#define TIF_IRET 4 /* return with iret */ #define TIF_NOTIFY_RESUME 5 /* callback before returning to user */ #define TIF_RESTORE_SIGMASK 8 /* restore signal mask in do_signal() */ #define TIF_USEDFPU 16 /* FPU was used by this task this quantum (SMP) */ -#define TIF_POLLING_NRFLAG 17 /* true if poll_idle() is polling TIF_NEED_RESCHED */ #define TIF_MEMDIE 18 /* is terminating due to OOM killer */ #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) #define _TIF_SIGPENDING (1<<TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) #define _TIF_SINGLESTEP (1<<TIF_SINGLESTEP) -#define _TIF_IRET (1<<TIF_IRET) #define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME) -#define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK) #define _TIF_USEDFPU (1<<TIF_USEDFPU) -#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) -#define _TIF_WORK_MASK 0x0000FFFE /* work to do on interrupt/exception return */ -#define _TIF_ALLWORK_MASK 0x0000FFFF /* work to do on any return to u-space */ +#define _TIF_WORK_MASK (_TIF_SIGPENDING | _TIF_NEED_RESCHED | _TIF_NOTIFY_RESUME) +#define _TIF_ALLWORK_MASK (_TIF_WORK_MASK | _TIF_SYSCALL_TRACE) /* * Thread-synchronous status. diff --git a/arch/m32r/kernel/process.c b/arch/m32r/kernel/process.c index 384e63f3a4c4..e7366276ef30 100644 --- a/arch/m32r/kernel/process.c +++ b/arch/m32r/kernel/process.c @@ -296,14 +296,14 @@ asmlinkage int sys_execve(const char __user *ufilename, unsigned long r6, struct pt_regs regs) { int error; - char *filename; + struct filename *filename; filename = getname(ufilename); error = PTR_ERR(filename); if (IS_ERR(filename)) goto out; - error = do_execve(filename, uargv, uenvp, ®s); + error = do_execve(filename->name, uargv, uenvp, ®s); putname(filename); out: return error; diff --git a/arch/m32r/kernel/signal.c b/arch/m32r/kernel/signal.c index d0f60b97bbc5..6e3c26a1607c 100644 --- a/arch/m32r/kernel/signal.c +++ b/arch/m32r/kernel/signal.c @@ -20,7 +20,6 @@ #include <linux/unistd.h> #include <linux/stddef.h> #include <linux/personality.h> -#include <linux/freezer.h> #include <linux/tracehook.h> #include <asm/cacheflush.h> #include <asm/ucontext.h> @@ -366,6 +365,4 @@ void do_notify_resume(struct pt_regs *regs, __u32 thread_info_flags) clear_thread_flag(TIF_NOTIFY_RESUME); tracehook_notify_resume(regs); } - - clear_thread_flag(TIF_IRET); } diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig index dae1e7e16a37..76fd6e2f71da 100644 --- a/arch/m68k/Kconfig +++ b/arch/m68k/Kconfig @@ -15,6 +15,7 @@ config M68K select FPU if MMU select ARCH_WANT_IPC_PARSE_VERSION select ARCH_USES_GETTIMEOFFSET if MMU && !COLDFIRE + select GENERIC_KERNEL_THREAD config RWSEM_GENERIC_SPINLOCK bool diff --git a/arch/m68k/include/asm/processor.h b/arch/m68k/include/asm/processor.h index f17c42aff7ff..ae700f49e51d 100644 --- a/arch/m68k/include/asm/processor.h +++ b/arch/m68k/include/asm/processor.h @@ -100,6 +100,16 @@ struct thread_struct { .fs = __KERNEL_DS, \ } +/* + * ColdFire stack format sbould be 0x4 for an aligned usp (will always be + * true on thread creation). We need to set this explicitly. + */ +#ifdef CONFIG_COLDFIRE +#define setframeformat(_regs) do { (_regs)->format = 0x4; } while(0) +#else +#define setframeformat(_regs) do { } while (0) +#endif + #ifdef CONFIG_MMU /* * Do necessary setup to start up a newly executed thread. @@ -109,6 +119,7 @@ static inline void start_thread(struct pt_regs * regs, unsigned long pc, { regs->pc = pc; regs->sr &= ~0x2000; + setframeformat(regs); wrusp(usp); } @@ -116,21 +127,11 @@ extern int handle_kernel_fault(struct pt_regs *regs); #else -/* - * Coldfire stacks need to be re-aligned on trap exit, conventional - * 68k can handle this case cleanly. - */ -#ifdef CONFIG_COLDFIRE -#define reformat(_regs) do { (_regs)->format = 0x4; } while(0) -#else -#define reformat(_regs) do { } while (0) -#endif - #define start_thread(_regs, _pc, _usp) \ do { \ (_regs)->pc = (_pc); \ ((struct switch_stack *)(_regs))[-1].a6 = 0; \ - reformat(_regs); \ + setframeformat(_regs); \ if (current->mm) \ (_regs)->d5 = current->mm->start_data; \ (_regs)->sr &= ~0x2000; \ @@ -153,8 +154,6 @@ static inline void release_thread(struct task_struct *dead_task) { } -extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags); - /* * Free current thread data structures etc.. */ diff --git a/arch/m68k/include/asm/ptrace.h b/arch/m68k/include/asm/ptrace.h index 65322b17b6cf..5e08b597f012 100644 --- a/arch/m68k/include/asm/ptrace.h +++ b/arch/m68k/include/asm/ptrace.h @@ -85,6 +85,8 @@ struct switch_stack { #define user_mode(regs) (!((regs)->sr & PS_S)) #define instruction_pointer(regs) ((regs)->pc) #define profile_pc(regs) instruction_pointer(regs) +#define current_pt_regs() \ + (struct pt_regs *)((char *)current_thread_info() + THREAD_SIZE) - 1 #define arch_has_single_step() (1) diff --git a/arch/m68k/include/asm/unistd.h b/arch/m68k/include/asm/unistd.h index 045cfd6a9e31..c702ad716791 100644 --- a/arch/m68k/include/asm/unistd.h +++ b/arch/m68k/include/asm/unistd.h @@ -382,6 +382,8 @@ #define __ARCH_WANT_SYS_SIGPROCMASK #define __ARCH_WANT_SYS_RT_SIGACTION #define __ARCH_WANT_SYS_RT_SIGSUSPEND +#define __ARCH_WANT_SYS_EXECVE +#define __ARCH_WANT_KERNEL_EXECVE /* * "Conditional" syscalls diff --git a/arch/m68k/kernel/entry.S b/arch/m68k/kernel/entry.S index 165ee9f9d5c9..946cb0187751 100644 --- a/arch/m68k/kernel/entry.S +++ b/arch/m68k/kernel/entry.S @@ -111,6 +111,22 @@ ENTRY(ret_from_fork) addql #4,%sp jra ret_from_exception +ENTRY(ret_from_kernel_thread) + | a3 contains the kernel thread payload, d7 - its argument + movel %d1,%sp@- + jsr schedule_tail + GET_CURRENT(%d0) + movel %d7,(%sp) + jsr %a3@ + addql #4,%sp + movel %d0,(%sp) + jra sys_exit + +ENTRY(ret_from_kernel_execve) + movel 4(%sp), %sp + GET_CURRENT(%d0) + jra ret_from_exception + #if defined(CONFIG_COLDFIRE) || !defined(CONFIG_MMU) #ifdef TRAP_DBG_INTERRUPT diff --git a/arch/m68k/kernel/process.c b/arch/m68k/kernel/process.c index ac2892e49c7c..c51bb172e14d 100644 --- a/arch/m68k/kernel/process.c +++ b/arch/m68k/kernel/process.c @@ -35,6 +35,7 @@ asmlinkage void ret_from_fork(void); +asmlinkage void ret_from_kernel_thread(void); /* @@ -123,51 +124,6 @@ void show_regs(struct pt_regs * regs) printk("USP: %08lx\n", rdusp()); } -/* - * Create a kernel thread - */ -int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags) -{ - int pid; - mm_segment_t fs; - - fs = get_fs(); - set_fs (KERNEL_DS); - - { - register long retval __asm__ ("d0"); - register long clone_arg __asm__ ("d1") = flags | CLONE_VM | CLONE_UNTRACED; - - retval = __NR_clone; - __asm__ __volatile__ - ("clrl %%d2\n\t" - "trap #0\n\t" /* Linux/m68k system call */ - "tstl %0\n\t" /* child or parent */ - "jne 1f\n\t" /* parent - jump */ -#ifdef CONFIG_MMU - "lea %%sp@(%c7),%6\n\t" /* reload current */ - "movel %6@,%6\n\t" -#endif - "movel %3,%%sp@-\n\t" /* push argument */ - "jsr %4@\n\t" /* call fn */ - "movel %0,%%d1\n\t" /* pass exit value */ - "movel %2,%%d0\n\t" /* exit */ - "trap #0\n" - "1:" - : "+d" (retval) - : "i" (__NR_clone), "i" (__NR_exit), - "r" (arg), "a" (fn), "d" (clone_arg), "r" (current), - "i" (-THREAD_SIZE) - : "d2"); - - pid = retval; - } - - set_fs (fs); - return pid; -} -EXPORT_SYMBOL(kernel_thread); - void flush_thread(void) { current->thread.fs = __USER_DS; @@ -219,30 +175,18 @@ asmlinkage int m68k_clone(struct pt_regs *regs) } int copy_thread(unsigned long clone_flags, unsigned long usp, - unsigned long unused, + unsigned long arg, struct task_struct * p, struct pt_regs * regs) { struct pt_regs * childregs; - struct switch_stack * childstack, *stack; - unsigned long *retp; + struct switch_stack *childstack; childregs = (struct pt_regs *) (task_stack_page(p) + THREAD_SIZE) - 1; - - *childregs = *regs; - childregs->d0 = 0; - - retp = ((unsigned long *) regs); - stack = ((struct switch_stack *) retp) - 1; - childstack = ((struct switch_stack *) childregs) - 1; - *childstack = *stack; - childstack->retpc = (unsigned long)ret_from_fork; p->thread.usp = usp; p->thread.ksp = (unsigned long)childstack; - - if (clone_flags & CLONE_SETTLS) - task_thread_info(p)->tp_value = regs->d5; + p->thread.esp0 = (unsigned long)childregs; /* * Must save the current SFC/DFC value, NOT the value when @@ -250,6 +194,26 @@ int copy_thread(unsigned long clone_flags, unsigned long usp, */ p->thread.fs = get_fs().seg; + if (unlikely(!regs)) { + /* kernel thread */ + memset(childstack, 0, + sizeof(struct switch_stack) + sizeof(struct pt_regs)); + childregs->sr = PS_S; + childstack->a3 = usp; /* function */ + childstack->d7 = arg; + childstack->retpc = (unsigned long)ret_from_kernel_thread; + p->thread.usp = 0; + return 0; + } + *childregs = *regs; + childregs->d0 = 0; + + *childstack = ((struct switch_stack *) regs)[-1]; + childstack->retpc = (unsigned long)ret_from_fork; + + if (clone_flags & CLONE_SETTLS) + task_thread_info(p)->tp_value = regs->d5; + #ifdef CONFIG_FPU if (!FPU_IS_EMU) { /* Copy the current fpu state */ @@ -337,26 +301,6 @@ int dump_fpu (struct pt_regs *regs, struct user_m68kfp_struct *fpu) EXPORT_SYMBOL(dump_fpu); #endif /* CONFIG_FPU */ -/* - * sys_execve() executes a new program. - */ -asmlinkage int sys_execve(const char __user *name, - const char __user *const __user *argv, - const char __user *const __user *envp) -{ - int error; - char * filename; - struct pt_regs *regs = (struct pt_regs *) &name; - - filename = getname(name); - error = PTR_ERR(filename); - if (IS_ERR(filename)) - return error; - error = do_execve(filename, argv, envp, regs); - putname(filename); - return error; -} - unsigned long get_wchan(struct task_struct *p) { unsigned long fp, pc; diff --git a/arch/m68k/kernel/sys_m68k.c b/arch/m68k/kernel/sys_m68k.c index 9a5932ec3689..3a480b3df0d6 100644 --- a/arch/m68k/kernel/sys_m68k.c +++ b/arch/m68k/kernel/sys_m68k.c @@ -549,23 +549,6 @@ asmlinkage int sys_getpagesize(void) return PAGE_SIZE; } -/* - * Do a system call from kernel instead of calling sys_execve so we - * end up with proper pt_regs. - */ -int kernel_execve(const char *filename, - const char *const argv[], - const char *const envp[]) -{ - register long __res asm ("%d0") = __NR_execve; - register long __a asm ("%d1") = (long)(filename); - register long __b asm ("%d2") = (long)(argv); - register long __c asm ("%d3") = (long)(envp); - asm volatile ("trap #0" : "+d" (__res) - : "d" (__a), "d" (__b), "d" (__c)); - return __res; -} - asmlinkage unsigned long sys_get_thread_area(void) { return current_thread_info()->tp_value; diff --git a/arch/microblaze/include/asm/thread_info.h b/arch/microblaze/include/asm/thread_info.h index 6c610234ffab..008f30433d22 100644 --- a/arch/microblaze/include/asm/thread_info.h +++ b/arch/microblaze/include/asm/thread_info.h @@ -121,7 +121,6 @@ static inline struct thread_info *current_thread_info(void) #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ /* restore singlestep on return to user mode */ #define TIF_SINGLESTEP 4 -#define TIF_IRET 5 /* return with iret */ #define TIF_MEMDIE 6 /* is terminating due to OOM killer */ #define TIF_SYSCALL_AUDIT 9 /* syscall auditing active */ #define TIF_SECCOMP 10 /* secure computing */ @@ -134,7 +133,6 @@ static inline struct thread_info *current_thread_info(void) #define _TIF_SIGPENDING (1 << TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) #define _TIF_SINGLESTEP (1 << TIF_SINGLESTEP) -#define _TIF_IRET (1 << TIF_IRET) #define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG) #define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT) #define _TIF_SECCOMP (1 << TIF_SECCOMP) @@ -184,6 +182,7 @@ static inline bool test_and_clear_restore_sigmask(void) ti->status &= ~TS_RESTORE_SIGMASK; return true; } +#define tsk_is_polling(t) test_tsk_thread_flag(t, TIF_POLLING_NRFLAG) #endif #endif /* __KERNEL__ */ diff --git a/arch/microblaze/kernel/signal.c b/arch/microblaze/kernel/signal.c index c1220dbf87cd..3847e5b9c601 100644 --- a/arch/microblaze/kernel/signal.c +++ b/arch/microblaze/kernel/signal.c @@ -254,10 +254,6 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, set_fs(USER_DS); - /* the tracer may want to single-step inside the handler */ - if (test_thread_flag(TIF_SINGLESTEP)) - ptrace_notify(SIGTRAP); - #ifdef DEBUG_SIG printk(KERN_INFO "SIG deliver (%s:%d): sp=%p pc=%08lx\n", current->comm, current->pid, frame, regs->pc); @@ -315,7 +311,8 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, if (ret) return; - signal_delivered(sig, info, ka, regs, 0); + signal_delivered(sig, info, ka, regs, + test_thread_flag(TIF_SINGLESTEP)); } /* diff --git a/arch/microblaze/kernel/sys_microblaze.c b/arch/microblaze/kernel/sys_microblaze.c index e5b154f24f85..404c0f24bd41 100644 --- a/arch/microblaze/kernel/sys_microblaze.c +++ b/arch/microblaze/kernel/sys_microblaze.c @@ -54,13 +54,13 @@ asmlinkage long microblaze_execve(const char __user *filenamei, struct pt_regs *regs) { int error; - char *filename; + struct filename *filename; filename = getname(filenamei); error = PTR_ERR(filename); if (IS_ERR(filename)) goto out; - error = do_execve(filename, argv, envp, regs); + error = do_execve(filename->name, argv, envp, regs); putname(filename); out: return error; diff --git a/arch/mips/include/asm/thread_info.h b/arch/mips/include/asm/thread_info.h index 946e010f2018..8debe9e91754 100644 --- a/arch/mips/include/asm/thread_info.h +++ b/arch/mips/include/asm/thread_info.h @@ -103,7 +103,6 @@ register struct thread_info *__current_thread_info __asm__("$28"); #define TIF_NOTIFY_RESUME 5 /* callback before returning to user */ #define TIF_RESTORE_SIGMASK 9 /* restore signal mask in do_signal() */ #define TIF_USEDFPU 16 /* FPU was used by this task this quantum (SMP) */ -#define TIF_POLLING_NRFLAG 17 /* true if poll_idle() is polling TIF_NEED_RESCHED */ #define TIF_MEMDIE 18 /* is terminating due to OOM killer */ #define TIF_FIXADE 20 /* Fix address errors in software */ #define TIF_LOGADE 21 /* Log address errors to syslog */ @@ -125,9 +124,7 @@ register struct thread_info *__current_thread_info __asm__("$28"); #define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT) #define _TIF_SECCOMP (1<<TIF_SECCOMP) #define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME) -#define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK) #define _TIF_USEDFPU (1<<TIF_USEDFPU) -#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) #define _TIF_FIXADE (1<<TIF_FIXADE) #define _TIF_LOGADE (1<<TIF_LOGADE) #define _TIF_32BIT_REGS (1<<TIF_32BIT_REGS) diff --git a/arch/mips/kernel/kgdb.c b/arch/mips/kernel/kgdb.c index f4546e97c60d..23817a6e32b6 100644 --- a/arch/mips/kernel/kgdb.c +++ b/arch/mips/kernel/kgdb.c @@ -283,6 +283,15 @@ static int kgdb_mips_notify(struct notifier_block *self, unsigned long cmd, struct pt_regs *regs = args->regs; int trap = (regs->cp0_cause & 0x7c) >> 2; +#ifdef CONFIG_KPROBES + /* + * Return immediately if the kprobes fault notifier has set + * DIE_PAGE_FAULT. + */ + if (cmd == DIE_PAGE_FAULT) + return NOTIFY_DONE; +#endif /* CONFIG_KPROBES */ + /* Userspace events, ignore. */ if (user_mode(regs)) return NOTIFY_DONE; diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c index 922a554cd108..3a21acedf882 100644 --- a/arch/mips/kernel/linux32.c +++ b/arch/mips/kernel/linux32.c @@ -83,13 +83,13 @@ out: asmlinkage int sys32_execve(nabi_no_regargs struct pt_regs regs) { int error; - char * filename; + struct filename *filename; filename = getname(compat_ptr(regs.regs[4])); error = PTR_ERR(filename); if (IS_ERR(filename)) goto out; - error = compat_do_execve(filename, compat_ptr(regs.regs[5]), + error = compat_do_execve(filename->name, compat_ptr(regs.regs[5]), compat_ptr(regs.regs[6]), ®s); putname(filename); diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c index b08220c82113..2bd561bc05ae 100644 --- a/arch/mips/kernel/syscall.c +++ b/arch/mips/kernel/syscall.c @@ -133,13 +133,13 @@ _sys_clone(nabi_no_regargs struct pt_regs regs) asmlinkage int sys_execve(nabi_no_regargs struct pt_regs regs) { int error; - char * filename; + struct filename *filename; filename = getname((const char __user *) (long)regs.regs[4]); error = PTR_ERR(filename); if (IS_ERR(filename)) goto out; - error = do_execve(filename, + error = do_execve(filename->name, (const char __user *const __user *) (long)regs.regs[5], (const char __user *const __user *) (long)regs.regs[6], ®s); diff --git a/arch/mn10300/Kconfig b/arch/mn10300/Kconfig index 5cfb086b3903..ddbdc33471a8 100644 --- a/arch/mn10300/Kconfig +++ b/arch/mn10300/Kconfig @@ -8,6 +8,7 @@ config MN10300 select HAVE_ARCH_KGDB select HAVE_NMI_WATCHDOG if MN10300_WD_TIMER select GENERIC_CLOCKEVENTS + select GENERIC_KERNEL_THREAD config AM33_2 def_bool n diff --git a/arch/mn10300/include/asm/frame.inc b/arch/mn10300/include/asm/frame.inc index 2ee58e3eb6b3..1c3eb4fda958 100644 --- a/arch/mn10300/include/asm/frame.inc +++ b/arch/mn10300/include/asm/frame.inc @@ -61,7 +61,7 @@ ############################################################################### .macro RESTORE_ALL # peel back the stack to the calling frame - # - this permits execve() to discard extra frames due to kernel syscalls + # - we need that when returning from interrupts to kernel mode GET_THREAD_INFO a0 mov (TI_frame,a0),fp mov fp,sp diff --git a/arch/mn10300/include/asm/processor.h b/arch/mn10300/include/asm/processor.h index 247928c9f549..8b80b19d0c8a 100644 --- a/arch/mn10300/include/asm/processor.h +++ b/arch/mn10300/include/asm/processor.h @@ -119,20 +119,13 @@ struct thread_struct { /* * do necessary setup to start up a newly executed thread - * - need to discard the frame stacked by the kernel thread invoking the execve - * syscall (see RESTORE_ALL macro) */ static inline void start_thread(struct pt_regs *regs, unsigned long new_pc, unsigned long new_sp) { - struct thread_info *ti = current_thread_info(); - struct pt_regs *frame0; - - frame0 = thread_info_to_uregs(ti); - frame0->epsw = EPSW_nSL | EPSW_IE | EPSW_IM; - frame0->pc = new_pc; - frame0->sp = new_sp; - ti->frame = frame0; + regs->epsw = EPSW_nSL | EPSW_IE | EPSW_IM; + regs->pc = new_pc; + regs->sp = new_sp; } @@ -140,11 +133,6 @@ static inline void start_thread(struct pt_regs *regs, extern void release_thread(struct task_struct *); /* - * create a kernel thread without removing it from tasklists - */ -extern int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags); - -/* * Return saved PC of a blocked thread. */ extern unsigned long thread_saved_pc(struct task_struct *tsk); diff --git a/arch/mn10300/include/asm/ptrace.h b/arch/mn10300/include/asm/ptrace.h index 44251b974f1d..08ac856c053e 100644 --- a/arch/mn10300/include/asm/ptrace.h +++ b/arch/mn10300/include/asm/ptrace.h @@ -86,6 +86,7 @@ struct pt_regs { #define user_mode(regs) (((regs)->epsw & EPSW_nSL) == EPSW_nSL) #define instruction_pointer(regs) ((regs)->pc) #define user_stack_pointer(regs) ((regs)->sp) +#define current_pt_regs() current_frame() #define arch_has_single_step() (1) diff --git a/arch/mn10300/include/asm/thread_info.h b/arch/mn10300/include/asm/thread_info.h index ac519bbd42ff..f90062b0622d 100644 --- a/arch/mn10300/include/asm/thread_info.h +++ b/arch/mn10300/include/asm/thread_info.h @@ -160,12 +160,13 @@ void arch_release_thread_info(struct thread_info *ti); #define _TIF_SIGPENDING +(1 << TIF_SIGPENDING) #define _TIF_NEED_RESCHED +(1 << TIF_NEED_RESCHED) #define _TIF_SINGLESTEP +(1 << TIF_SINGLESTEP) -#define _TIF_RESTORE_SIGMASK +(1 << TIF_RESTORE_SIGMASK) #define _TIF_POLLING_NRFLAG +(1 << TIF_POLLING_NRFLAG) #define _TIF_WORK_MASK 0x0000FFFE /* work to do on interrupt/exception return */ #define _TIF_ALLWORK_MASK 0x0000FFFF /* work to do on any return to u-space */ +#define tsk_is_polling(t) test_tsk_thread_flag(t, TIF_POLLING_NRFLAG) + #endif /* __KERNEL__ */ #endif /* _ASM_THREAD_INFO_H */ diff --git a/arch/mn10300/include/asm/unistd.h b/arch/mn10300/include/asm/unistd.h index 866eb14749d7..044c770adbb6 100644 --- a/arch/mn10300/include/asm/unistd.h +++ b/arch/mn10300/include/asm/unistd.h @@ -382,6 +382,8 @@ #define __ARCH_WANT_SYS_SIGPROCMASK #define __ARCH_WANT_SYS_RT_SIGACTION #define __ARCH_WANT_SYS_RT_SIGSUSPEND +#define __ARCH_WANT_SYS_EXECVE +#define __ARCH_WANT_KERNEL_EXECVE /* * "Conditional" syscalls diff --git a/arch/mn10300/kernel/Makefile b/arch/mn10300/kernel/Makefile index d06749173d63..561029f7fa44 100644 --- a/arch/mn10300/kernel/Makefile +++ b/arch/mn10300/kernel/Makefile @@ -7,8 +7,8 @@ fpu-obj-y := fpu-nofpu.o fpu-nofpu-low.o fpu-obj-$(CONFIG_FPU) := fpu.o fpu-low.o obj-y := process.o signal.o entry.o traps.o irq.o \ - ptrace.o setup.o time.o sys_mn10300.o io.o kthread.o \ - switch_to.o mn10300_ksyms.o kernel_execve.o $(fpu-obj-y) \ + ptrace.o setup.o time.o sys_mn10300.o io.o \ + switch_to.o mn10300_ksyms.o $(fpu-obj-y) \ csrc-mn10300.o cevt-mn10300.o obj-$(CONFIG_SMP) += smp.o smp-low.o diff --git a/arch/mn10300/kernel/entry.S b/arch/mn10300/kernel/entry.S index 8e11f9f48999..0c631d34c8d7 100644 --- a/arch/mn10300/kernel/entry.S +++ b/arch/mn10300/kernel/entry.S @@ -55,6 +55,20 @@ ENTRY(ret_from_fork) mov d0,(REG_D0,fp) jmp syscall_exit +ENTRY(ret_from_kernel_thread) + call schedule_tail[],0 + mov (REG_D0,fp),d0 + mov (REG_A0,fp),a0 + calls (a0) + jmp sys_exit + +ENTRY(ret_from_kernel_execve) + add -12,d0 /* pt_regs -> frame */ + mov d0,sp + GET_THREAD_INFO a2 + clr d0 + jmp syscall_exit + ############################################################################### # # system call handler @@ -94,6 +108,10 @@ restore_all: ############################################################################### ALIGN syscall_exit_work: + mov (REG_EPSW,fp),d0 + and EPSW_nSL,d0 + beq resume_kernel # returning to supervisor mode + btst _TIF_SYSCALL_TRACE,d2 beq work_pending LOCAL_IRQ_ENABLE # could let syscall_trace_exit() call diff --git a/arch/mn10300/kernel/internal.h b/arch/mn10300/kernel/internal.h index 2df440105a80..561785581f6c 100644 --- a/arch/mn10300/kernel/internal.h +++ b/arch/mn10300/kernel/internal.h @@ -15,14 +15,10 @@ struct clocksource; struct clock_event_device; /* - * kthread.S - */ -extern int kernel_thread_helper(int); - -/* * entry.S */ extern void ret_from_fork(struct task_struct *) __attribute__((noreturn)); +extern void ret_from_kernel_thread(struct task_struct *) __attribute__((noreturn)); /* * smp-low.S diff --git a/arch/mn10300/kernel/kernel_execve.S b/arch/mn10300/kernel/kernel_execve.S deleted file mode 100644 index 86039f105268..000000000000 --- a/arch/mn10300/kernel/kernel_execve.S +++ /dev/null @@ -1,37 +0,0 @@ -/* MN10300 In-kernel program execution - * - * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public Licence - * as published by the Free Software Foundation; either version - * 2 of the Licence, or (at your option) any later version. - */ -#include <linux/linkage.h> -#include <asm/unistd.h> - -############################################################################### -# -# Do a system call from kernel instead of calling sys_execve so we end up with -# proper pt_regs. -# -# int kernel_execve(const char *filename, char *const argv[], -# char *const envp[]) -# -# On entry: D0/D1/8(SP): arguments to function -# On return: D0: syscall return. -# -############################################################################### - .globl kernel_execve - .type kernel_execve,@function -kernel_execve: - mov a3,a1 - mov d0,a0 - mov (12,sp),a3 - mov +__NR_execve,d0 - syscall 0 - mov a1,a3 - rets - - .size kernel_execve,.-kernel_execve diff --git a/arch/mn10300/kernel/kthread.S b/arch/mn10300/kernel/kthread.S deleted file mode 100644 index b5ae467ac5ec..000000000000 --- a/arch/mn10300/kernel/kthread.S +++ /dev/null @@ -1,31 +0,0 @@ -/* MN10300 Kernel thread trampoline function - * - * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. - * Written by Mark Salter (msalter@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public Licence - * as published by the Free Software Foundation; either version - * 2 of the Licence, or (at your option) any later version. - */ - .text - -############################################################################### -# -# kernel_thread_helper - trampoline for kernel_thread() -# -# On entry: -# A2 = address of function to call -# D2 = function argument -# -############################################################################### - .globl kernel_thread_helper - .type kernel_thread_helper,@function -kernel_thread_helper: - mov do_exit,d1 - mov d1,(sp) - mov d1,mdr - mov d2,d0 - jmp (a2) - - .size kernel_thread_helper,.-kernel_thread_helper diff --git a/arch/mn10300/kernel/process.c b/arch/mn10300/kernel/process.c index e9cceba193b6..d0c671b6d9ff 100644 --- a/arch/mn10300/kernel/process.c +++ b/arch/mn10300/kernel/process.c @@ -165,27 +165,6 @@ void show_regs(struct pt_regs *regs) } /* - * create a kernel thread - */ -int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags) -{ - struct pt_regs regs; - - memset(®s, 0, sizeof(regs)); - - regs.a2 = (unsigned long) fn; - regs.d2 = (unsigned long) arg; - regs.pc = (unsigned long) kernel_thread_helper; - local_save_flags(regs.epsw); - regs.epsw |= EPSW_IE | EPSW_IM_7; - - /* Ok, create the new process.. */ - return do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0, ®s, 0, - NULL, NULL); -} -EXPORT_SYMBOL(kernel_thread); - -/* * free current thread data structures etc.. */ void exit_thread(void) @@ -230,50 +209,42 @@ int copy_thread(unsigned long clone_flags, struct task_struct *p, struct pt_regs *kregs) { struct thread_info *ti = task_thread_info(p); - struct pt_regs *c_uregs, *c_kregs, *uregs; + struct pt_regs *c_regs; unsigned long c_ksp; - uregs = current->thread.uregs; - c_ksp = (unsigned long) task_stack_page(p) + THREAD_SIZE; /* allocate the userspace exception frame and set it up */ c_ksp -= sizeof(struct pt_regs); - c_uregs = (struct pt_regs *) c_ksp; + c_regs = (struct pt_regs *) c_ksp; + c_ksp -= 12; /* allocate function call ABI slack */ - p->thread.uregs = c_uregs; - *c_uregs = *uregs; - c_uregs->sp = c_usp; - c_uregs->epsw &= ~EPSW_FE; /* my FPU */ + /* set up things up so the scheduler can start the new task */ + p->thread.uregs = c_regs; + ti->frame = c_regs; + p->thread.a3 = (unsigned long) c_regs; + p->thread.sp = c_ksp; + p->thread.wchan = p->thread.pc; + p->thread.usp = c_usp; - c_ksp -= 12; /* allocate function call ABI slack */ + if (unlikely(!kregs)) { + memset(c_regs, 0, sizeof(struct pt_regs)); + c_regs->a0 = c_usp; /* function */ + c_regs->d0 = ustk_size; /* argument */ + local_save_flags(c_regs->epsw); + c_regs->epsw |= EPSW_IE | EPSW_IM_7; + p->thread.pc = (unsigned long) ret_from_kernel_thread; + return 0; + } + *c_regs = *kregs; + c_regs->sp = c_usp; + c_regs->epsw &= ~EPSW_FE; /* my FPU */ /* the new TLS pointer is passed in as arg #5 to sys_clone() */ if (clone_flags & CLONE_SETTLS) - c_uregs->e2 = current_frame()->d3; - - /* set up the return kernel frame if called from kernel_thread() */ - c_kregs = c_uregs; - if (kregs != uregs) { - c_ksp -= sizeof(struct pt_regs); - c_kregs = (struct pt_regs *) c_ksp; - *c_kregs = *kregs; - c_kregs->sp = c_usp; - c_kregs->next = c_uregs; -#ifdef CONFIG_MN10300_CURRENT_IN_E2 - c_kregs->e2 = (unsigned long) p; /* current */ -#endif - - c_ksp -= 12; /* allocate function call ABI slack */ - } + c_regs->e2 = current_frame()->d3; - /* set up things up so the scheduler can start the new task */ - ti->frame = c_kregs; - p->thread.a3 = (unsigned long) c_kregs; - p->thread.sp = c_ksp; p->thread.pc = (unsigned long) ret_from_fork; - p->thread.wchan = (unsigned long) ret_from_fork; - p->thread.usp = c_usp; return 0; } @@ -302,22 +273,6 @@ asmlinkage long sys_vfork(void) current_frame(), 0, NULL, NULL); } -asmlinkage long sys_execve(const char __user *name, - const char __user *const __user *argv, - const char __user *const __user *envp) -{ - char *filename; - int error; - - filename = getname(name); - error = PTR_ERR(filename); - if (IS_ERR(filename)) - return error; - error = do_execve(filename, argv, envp, current_frame()); - putname(filename); - return error; -} - unsigned long get_wchan(struct task_struct *p) { return p->thread.wchan; diff --git a/arch/mn10300/kernel/signal.c b/arch/mn10300/kernel/signal.c index 4d584ae29ae1..f570b3085ef9 100644 --- a/arch/mn10300/kernel/signal.c +++ b/arch/mn10300/kernel/signal.c @@ -317,10 +317,6 @@ static int setup_frame(int sig, struct k_sigaction *ka, sigset_t *set, regs->d0 = sig; regs->d1 = (unsigned long) &frame->sc; - /* the tracer may want to single-step inside the handler */ - if (test_thread_flag(TIF_SINGLESTEP)) - ptrace_notify(SIGTRAP); - #if DEBUG_SIG printk(KERN_DEBUG "SIG deliver %d (%s:%d): sp=%p pc=%lx ra=%p\n", sig, current->comm, current->pid, frame, regs->pc, @@ -398,10 +394,6 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, regs->d0 = sig; regs->d1 = (long) &frame->info; - /* the tracer may want to single-step inside the handler */ - if (test_thread_flag(TIF_SINGLESTEP)) - ptrace_notify(SIGTRAP); - #if DEBUG_SIG printk(KERN_DEBUG "SIG deliver %d (%s:%d): sp=%p pc=%lx ra=%p\n", sig, current->comm, current->pid, frame, regs->pc, @@ -475,11 +467,6 @@ static void do_signal(struct pt_regs *regs) siginfo_t info; int signr; - /* we want the common case to go fast, which is why we may in certain - * cases get here from kernel mode */ - if (!user_mode(regs)) - return; - signr = get_signal_to_deliver(&info, &ka, regs, NULL); if (signr > 0) { if (handle_signal(signr, &info, &ka, regs) == 0) { diff --git a/arch/openrisc/include/asm/thread_info.h b/arch/openrisc/include/asm/thread_info.h index 07a8bc080ef2..07f3212422ad 100644 --- a/arch/openrisc/include/asm/thread_info.h +++ b/arch/openrisc/include/asm/thread_info.h @@ -121,7 +121,6 @@ register struct thread_info *current_thread_info_reg asm("r10"); #define _TIF_SIGPENDING (1<<TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) #define _TIF_SINGLESTEP (1<<TIF_SINGLESTEP) -#define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK) #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) @@ -129,6 +128,8 @@ register struct thread_info *current_thread_info_reg asm("r10"); /* For OpenRISC, this is anything in the LSW other than syscall trace */ #define _TIF_WORK_MASK (0xff & ~(_TIF_SYSCALL_TRACE|_TIF_SINGLESTEP)) +#define tsk_is_polling(t) test_tsk_thread_flag(t, TIF_POLLING_NRFLAG) + #endif /* __KERNEL__ */ #endif /* _ASM_THREAD_INFO_H */ diff --git a/arch/openrisc/kernel/process.c b/arch/openrisc/kernel/process.c index 55210f37d1a3..c35f3ab1a8d3 100644 --- a/arch/openrisc/kernel/process.c +++ b/arch/openrisc/kernel/process.c @@ -271,7 +271,7 @@ asmlinkage long _sys_execve(const char __user *name, struct pt_regs *regs) { int error; - char *filename; + struct filename *filename; filename = getname(name); error = PTR_ERR(filename); @@ -279,7 +279,7 @@ asmlinkage long _sys_execve(const char __user *name, if (IS_ERR(filename)) goto out; - error = do_execve(filename, argv, envp, regs); + error = do_execve(filename->name, argv, envp, regs); putname(filename); out: diff --git a/arch/parisc/hpux/fs.c b/arch/parisc/hpux/fs.c index 6785de7bd2a0..a0760b87fd4e 100644 --- a/arch/parisc/hpux/fs.c +++ b/arch/parisc/hpux/fs.c @@ -34,14 +34,14 @@ int hpux_execve(struct pt_regs *regs) { int error; - char *filename; + struct filename *filename; filename = getname((const char __user *) regs->gr[26]); error = PTR_ERR(filename); if (IS_ERR(filename)) goto out; - error = do_execve(filename, + error = do_execve(filename->name, (const char __user *const __user *) regs->gr[25], (const char __user *const __user *) regs->gr[24], regs); diff --git a/arch/parisc/hpux/gate.S b/arch/parisc/hpux/gate.S index 38a1c1b8d4e8..011468857e98 100644 --- a/arch/parisc/hpux/gate.S +++ b/arch/parisc/hpux/gate.S @@ -71,7 +71,7 @@ ENTRY(hpux_gateway_page) STREG %r26, TASK_PT_GR26(%r1) /* 1st argument */ STREG %r27, TASK_PT_GR27(%r1) /* user dp */ STREG %r28, TASK_PT_GR28(%r1) /* return value 0 */ - STREG %r28, TASK_PT_ORIG_R28(%r1) /* return value 0 (saved for signals) */ + STREG %r0, TASK_PT_ORIG_R28(%r1) /* don't prohibit restarts */ STREG %r29, TASK_PT_GR29(%r1) /* 8th argument */ STREG %r31, TASK_PT_GR31(%r1) /* preserve syscall return ptr */ diff --git a/arch/parisc/include/asm/thread_info.h b/arch/parisc/include/asm/thread_info.h index 22b4726dee49..d1fb79a36f3d 100644 --- a/arch/parisc/include/asm/thread_info.h +++ b/arch/parisc/include/asm/thread_info.h @@ -68,13 +68,16 @@ struct thread_info { #define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) #define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG) #define _TIF_32BIT (1 << TIF_32BIT) -#define _TIF_RESTORE_SIGMASK (1 << TIF_RESTORE_SIGMASK) #define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME) #define _TIF_SINGLESTEP (1 << TIF_SINGLESTEP) #define _TIF_BLOCKSTEP (1 << TIF_BLOCKSTEP) #define _TIF_USER_WORK_MASK (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | \ _TIF_NEED_RESCHED) +#define _TIF_SYSCALL_TRACE_MASK (_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP | \ + _TIF_BLOCKSTEP) + +#define tsk_is_polling(t) test_tsk_thread_flag(t, TIF_POLLING_NRFLAG) #endif /* __KERNEL__ */ diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c index 8c6b6b6561f0..cbc37216bf90 100644 --- a/arch/parisc/kernel/process.c +++ b/arch/parisc/kernel/process.c @@ -342,13 +342,13 @@ unsigned long thread_saved_pc(struct task_struct *t) asmlinkage int sys_execve(struct pt_regs *regs) { int error; - char *filename; + struct filename *filename; filename = getname((const char __user *) regs->gr[26]); error = PTR_ERR(filename); if (IS_ERR(filename)) goto out; - error = do_execve(filename, + error = do_execve(filename->name, (const char __user *const __user *) regs->gr[25], (const char __user *const __user *) regs->gr[24], regs); diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c index 594459bde14e..537996955998 100644 --- a/arch/parisc/kernel/signal.c +++ b/arch/parisc/kernel/signal.c @@ -113,6 +113,8 @@ sys_rt_sigreturn(struct pt_regs *regs, int in_syscall) (usp - sigframe_size); DBG(2,"sys_rt_sigreturn: frame is %p\n", frame); + regs->orig_r28 = 1; /* no restarts for sigreturn */ + #ifdef CONFIG_64BIT compat_frame = (struct compat_rt_sigframe __user *)frame; @@ -437,7 +439,7 @@ give_sigsegv: * OK, we're invoking a handler. */ -static long +static void handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, struct pt_regs *regs, int in_syscall) { @@ -447,7 +449,7 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, /* Set up the stack frame */ if (!setup_rt_frame(sig, ka, info, oldset, regs, in_syscall)) - return 0; + return; signal_delivered(sig, info, ka, regs, test_thread_flag(TIF_SINGLESTEP) || @@ -455,13 +457,14 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, DBG(1,KERN_DEBUG "do_signal: Exit (success), regs->gr[28] = %ld\n", regs->gr[28]); - - return 1; } static inline void syscall_restart(struct pt_regs *regs, struct k_sigaction *ka) { + if (regs->orig_r28) + return; + regs->orig_r28 = 1; /* no more restarts */ /* Check the return code */ switch (regs->gr[28]) { case -ERESTART_RESTARTBLOCK: @@ -482,8 +485,6 @@ syscall_restart(struct pt_regs *regs, struct k_sigaction *ka) * we have to do is fiddle the return pointer. */ regs->gr[31] -= 8; /* delayed branching */ - /* Preserve original r28. */ - regs->gr[28] = regs->orig_r28; break; } } @@ -491,6 +492,9 @@ syscall_restart(struct pt_regs *regs, struct k_sigaction *ka) static inline void insert_restart_trampoline(struct pt_regs *regs) { + if (regs->orig_r28) + return; + regs->orig_r28 = 1; /* no more restarts */ switch(regs->gr[28]) { case -ERESTART_RESTARTBLOCK: { /* Restart the system call - no handlers present */ @@ -525,9 +529,6 @@ insert_restart_trampoline(struct pt_regs *regs) flush_user_icache_range(regs->gr[30], regs->gr[30] + 4); regs->gr[31] = regs->gr[30] + 8; - /* Preserve original r28. */ - regs->gr[28] = regs->orig_r28; - return; } case -ERESTARTNOHAND: @@ -539,9 +540,6 @@ insert_restart_trampoline(struct pt_regs *regs) * slot of the branch external instruction. */ regs->gr[31] -= 8; - /* Preserve original r28. */ - regs->gr[28] = regs->orig_r28; - return; } default: @@ -570,30 +568,17 @@ do_signal(struct pt_regs *regs, long in_syscall) DBG(1,"\ndo_signal: regs=0x%p, sr7 %#lx, in_syscall=%d\n", regs, regs->sr[7], in_syscall); - /* Everyone else checks to see if they are in kernel mode at - this point and exits if that's the case. I'm not sure why - we would be called in that case, but for some reason we - are. */ - - /* May need to force signal if handle_signal failed to deliver */ - while (1) { - signr = get_signal_to_deliver(&info, &ka, regs, NULL); - DBG(3,"do_signal: signr = %d, regs->gr[28] = %ld\n", signr, regs->gr[28]); + signr = get_signal_to_deliver(&info, &ka, regs, NULL); + DBG(3,"do_signal: signr = %d, regs->gr[28] = %ld\n", signr, regs->gr[28]); - if (signr <= 0) - break; - + if (signr > 0) { /* Restart a system call if necessary. */ if (in_syscall) syscall_restart(regs, &ka); - /* Whee! Actually deliver the signal. If the - delivery failed, we need to continue to iterate in - this loop so we can deliver the SIGSEGV... */ - if (handle_signal(signr, &info, &ka, regs, in_syscall)) - return; + handle_signal(signr, &info, &ka, regs, in_syscall); + return; } - /* end of while(1) looping forever if we can't force a signal */ /* Did we come from a system call? */ if (in_syscall) diff --git a/arch/parisc/kernel/sys_parisc32.c b/arch/parisc/kernel/sys_parisc32.c index dc9a62462323..bf5b93a885d3 100644 --- a/arch/parisc/kernel/sys_parisc32.c +++ b/arch/parisc/kernel/sys_parisc32.c @@ -60,14 +60,14 @@ asmlinkage int sys32_execve(struct pt_regs *regs) { int error; - char *filename; + struct filename *filename; DBG(("sys32_execve(%p) r26 = 0x%lx\n", regs, regs->gr[26])); filename = getname((const char __user *) regs->gr[26]); error = PTR_ERR(filename); if (IS_ERR(filename)) goto out; - error = compat_do_execve(filename, compat_ptr(regs->gr[25]), + error = compat_do_execve(filename->name, compat_ptr(regs->gr[25]), compat_ptr(regs->gr[24]), regs); putname(filename); out: diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S index 82a52b2fb13f..86742df0b194 100644 --- a/arch/parisc/kernel/syscall.S +++ b/arch/parisc/kernel/syscall.S @@ -156,7 +156,7 @@ linux_gateway_entry: STREG %r26, TASK_PT_GR26(%r1) /* 1st argument */ STREG %r27, TASK_PT_GR27(%r1) /* user dp */ STREG %r28, TASK_PT_GR28(%r1) /* return value 0 */ - STREG %r28, TASK_PT_ORIG_R28(%r1) /* return value 0 (saved for signals) */ + STREG %r0, TASK_PT_ORIG_R28(%r1) /* don't prohibit restarts */ STREG %r29, TASK_PT_GR29(%r1) /* return value 1 */ STREG %r31, TASK_PT_GR31(%r1) /* preserve syscall return ptr */ @@ -180,9 +180,10 @@ linux_gateway_entry: /* Are we being ptraced? */ mfctl %cr30, %r1 - LDREG TI_TASK(%r1),%r1 - ldw TASK_PTRACE(%r1), %r1 - bb,<,n %r1,31,.Ltracesys + LDREG TI_FLAGS(%r1),%r1 + ldi _TIF_SYSCALL_TRACE_MASK, %r19 + and,COND(=) %r1, %r19, %r0 + b,n .Ltracesys /* Note! We cannot use the syscall table that is mapped nearby since the gateway page is mapped execute-only. */ diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index df7edb887a04..969f3d9ded91 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -137,10 +137,11 @@ config PPC select ARCH_HAVE_NMI_SAFE_CMPXCHG select GENERIC_SMP_IDLE_THREAD select GENERIC_CMOS_UPDATE - select GENERIC_TIME_VSYSCALL + select GENERIC_TIME_VSYSCALL_OLD select GENERIC_CLOCKEVENTS select GENERIC_STRNCPY_FROM_USER select GENERIC_STRNLEN_USER + select GENERIC_KERNEL_THREAD config EARLY_PRINTK bool diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h index 9dc5cd1fde1a..8734b3855272 100644 --- a/arch/powerpc/include/asm/processor.h +++ b/arch/powerpc/include/asm/processor.h @@ -74,9 +74,6 @@ struct task_struct; void start_thread(struct pt_regs *regs, unsigned long fdptr, unsigned long sp); void release_thread(struct task_struct *); -/* Create a new kernel thread. */ -extern long kernel_thread(int (*fn)(void *), void *arg, unsigned long flags); - /* Lazy FPU handling on uni-processor */ extern struct task_struct *last_task_used_math; extern struct task_struct *last_task_used_altivec; diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h index 9c21ed42aba6..f76b88c367d1 100644 --- a/arch/powerpc/include/asm/ptrace.h +++ b/arch/powerpc/include/asm/ptrace.h @@ -125,6 +125,8 @@ extern unsigned long ptrace_get_reg(struct task_struct *task, int regno); extern int ptrace_put_reg(struct task_struct *task, int regno, unsigned long data); +#define current_pt_regs() \ + ((struct pt_regs *)((unsigned long)current_thread_info() + THREAD_SIZE) - 1) /* * We use the least-significant bit of the trap field to indicate * whether we have saved the full set of registers, or only a diff --git a/arch/powerpc/include/asm/syscalls.h b/arch/powerpc/include/asm/syscalls.h index 4084e567d28e..329db4ec12ca 100644 --- a/arch/powerpc/include/asm/syscalls.h +++ b/arch/powerpc/include/asm/syscalls.h @@ -17,9 +17,6 @@ asmlinkage unsigned long sys_mmap(unsigned long addr, size_t len, asmlinkage unsigned long sys_mmap2(unsigned long addr, size_t len, unsigned long prot, unsigned long flags, unsigned long fd, unsigned long pgoff); -asmlinkage int sys_execve(unsigned long a0, unsigned long a1, - unsigned long a2, unsigned long a3, unsigned long a4, - unsigned long a5, struct pt_regs *regs); asmlinkage int sys_clone(unsigned long clone_flags, unsigned long usp, int __user *parent_tidp, void __user *child_threadptr, int __user *child_tidp, int p6, struct pt_regs *regs); diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h index 8ceea14d6fe4..406b7b9a1341 100644 --- a/arch/powerpc/include/asm/thread_info.h +++ b/arch/powerpc/include/asm/thread_info.h @@ -182,6 +182,8 @@ static inline bool test_thread_local_flags(unsigned int flags) #define is_32bit_task() (1) #endif +#define tsk_is_polling(t) test_tsk_thread_flag(t, TIF_POLLING_NRFLAG) + #endif /* !__ASSEMBLY__ */ #endif /* __KERNEL__ */ diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h index c683fa350add..2533752af30f 100644 --- a/arch/powerpc/include/asm/unistd.h +++ b/arch/powerpc/include/asm/unistd.h @@ -421,6 +421,8 @@ #define __ARCH_WANT_SYS_NEWFSTATAT #define __ARCH_WANT_COMPAT_SYS_SENDFILE #endif +#define __ARCH_WANT_SYS_EXECVE +#define __ARCH_WANT_KERNEL_EXECVE /* * "Conditional" syscalls diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S index af37528da49f..9499385676e7 100644 --- a/arch/powerpc/kernel/entry_32.S +++ b/arch/powerpc/kernel/entry_32.S @@ -435,6 +435,22 @@ ret_from_fork: li r3,0 b ret_from_syscall + .globl ret_from_kernel_thread +ret_from_kernel_thread: + REST_NVGPRS(r1) + bl schedule_tail + mtlr r14 + mr r3,r15 + PPC440EP_ERR42 + blrl + li r3,0 + b do_exit # no return + + .globl __ret_from_kernel_execve +__ret_from_kernel_execve: + addi r1,r3,-STACK_FRAME_OVERHEAD + b ret_from_syscall + /* Traced system call support */ syscall_dotrace: SAVE_NVGPRS(r1) diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S index 0e931aaffca2..56e0ff0878b5 100644 --- a/arch/powerpc/kernel/entry_64.S +++ b/arch/powerpc/kernel/entry_64.S @@ -370,6 +370,22 @@ _GLOBAL(ret_from_fork) li r3,0 b syscall_exit +_GLOBAL(ret_from_kernel_thread) + bl .schedule_tail + REST_NVGPRS(r1) + REST_GPR(2,r1) + mtlr r14 + mr r3,r15 + blrl + li r3,0 + b .do_exit # no return + +_GLOBAL(__ret_from_kernel_execve) + addi r1,r3,-STACK_FRAME_OVERHEAD + li r10,1 + std r10,SOFTE(r1) + b syscall_exit + .section ".toc","aw" DSCR_DEFAULT: .tc dscr_default[TC],dscr_default diff --git a/arch/powerpc/kernel/misc.S b/arch/powerpc/kernel/misc.S index ba16874fe294..7ce26d45777e 100644 --- a/arch/powerpc/kernel/misc.S +++ b/arch/powerpc/kernel/misc.S @@ -54,13 +54,6 @@ _GLOBAL(add_reloc_offset) .align 3 2: PPC_LONG 1b -_GLOBAL(kernel_execve) - li r0,__NR_execve - sc - bnslr - neg r3,r3 - blr - _GLOBAL(setjmp) mflr r0 PPC_STL r0,0(r3) diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S index 407e293aad2f..19e096bd0e73 100644 --- a/arch/powerpc/kernel/misc_32.S +++ b/arch/powerpc/kernel/misc_32.S @@ -663,39 +663,6 @@ _GLOBAL(abs) sub r3,r3,r4 blr -/* - * Create a kernel thread - * kernel_thread(fn, arg, flags) - */ -_GLOBAL(kernel_thread) - stwu r1,-16(r1) - stw r30,8(r1) - stw r31,12(r1) - mr r30,r3 /* function */ - mr r31,r4 /* argument */ - ori r3,r5,CLONE_VM /* flags */ - oris r3,r3,CLONE_UNTRACED>>16 - li r4,0 /* new sp (unused) */ - li r0,__NR_clone - sc - bns+ 1f /* did system call indicate error? */ - neg r3,r3 /* if so, make return code negative */ -1: cmpwi 0,r3,0 /* parent or child? */ - bne 2f /* return if parent */ - li r0,0 /* make top-level stack frame */ - stwu r0,-16(r1) - mtlr r30 /* fn addr in lr */ - mr r3,r31 /* load arg and call fn */ - PPC440EP_ERR42 - blrl - li r0,__NR_exit /* exit if function returns */ - li r3,0 - sc -2: lwz r30,8(r1) - lwz r31,12(r1) - addi r1,r1,16 - blr - #ifdef CONFIG_SMP _GLOBAL(start_secondary_resume) /* Reset stack */ diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S index 565b78625a32..5cfa8008693b 100644 --- a/arch/powerpc/kernel/misc_64.S +++ b/arch/powerpc/kernel/misc_64.S @@ -407,40 +407,6 @@ _GLOBAL(scom970_write) /* - * Create a kernel thread - * kernel_thread(fn, arg, flags) - */ -_GLOBAL(kernel_thread) - std r29,-24(r1) - std r30,-16(r1) - stdu r1,-STACK_FRAME_OVERHEAD(r1) - mr r29,r3 - mr r30,r4 - ori r3,r5,CLONE_VM /* flags */ - oris r3,r3,(CLONE_UNTRACED>>16) - li r4,0 /* new sp (unused) */ - li r0,__NR_clone - sc - bns+ 1f /* did system call indicate error? */ - neg r3,r3 /* if so, make return code negative */ -1: cmpdi 0,r3,0 /* parent or child? */ - bne 2f /* return if parent */ - li r0,0 - stdu r0,-STACK_FRAME_OVERHEAD(r1) - ld r2,8(r29) - ld r29,0(r29) - mtlr r29 /* fn addr in lr */ - mr r3,r30 /* load arg and call fn */ - blrl - li r0,__NR_exit /* exit after child exits */ - li r3,0 - sc -2: addi r1,r1,STACK_FRAME_OVERHEAD - ld r29,-24(r1) - ld r30,-16(r1) - blr - -/* * disable_kernel_fp() * Disable the FPU. */ diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c index 3e4031581c65..19e4288d8486 100644 --- a/arch/powerpc/kernel/ppc_ksyms.c +++ b/arch/powerpc/kernel/ppc_ksyms.c @@ -94,7 +94,6 @@ EXPORT_SYMBOL(pci_dram_offset); #endif /* CONFIG_PCI */ EXPORT_SYMBOL(start_thread); -EXPORT_SYMBOL(kernel_thread); EXPORT_SYMBOL(giveup_fpu); #ifdef CONFIG_ALTIVEC diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index d5ad666efd8b..ba48233500f6 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -733,30 +733,39 @@ int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src) extern unsigned long dscr_default; /* defined in arch/powerpc/kernel/sysfs.c */ int copy_thread(unsigned long clone_flags, unsigned long usp, - unsigned long unused, struct task_struct *p, + unsigned long arg, struct task_struct *p, struct pt_regs *regs) { struct pt_regs *childregs, *kregs; extern void ret_from_fork(void); + extern void ret_from_kernel_thread(void); + void (*f)(void); unsigned long sp = (unsigned long)task_stack_page(p) + THREAD_SIZE; - CHECK_FULL_REGS(regs); /* Copy registers */ sp -= sizeof(struct pt_regs); childregs = (struct pt_regs *) sp; - *childregs = *regs; - if ((childregs->msr & MSR_PR) == 0) { + if (!regs) { /* for kernel thread, set `current' and stackptr in new task */ + memset(childregs, 0, sizeof(struct pt_regs)); childregs->gpr[1] = sp + sizeof(struct pt_regs); -#ifdef CONFIG_PPC32 - childregs->gpr[2] = (unsigned long) p; -#else +#ifdef CONFIG_PPC64 + childregs->gpr[14] = *(unsigned long *)usp; + childregs->gpr[2] = ((unsigned long *)usp)[1], clear_tsk_thread_flag(p, TIF_32BIT); +#else + childregs->gpr[14] = usp; /* function */ + childregs->gpr[2] = (unsigned long) p; #endif + childregs->gpr[15] = arg; p->thread.regs = NULL; /* no user register state */ + f = ret_from_kernel_thread; } else { + CHECK_FULL_REGS(regs); + *childregs = *regs; childregs->gpr[1] = usp; p->thread.regs = childregs; + childregs->gpr[3] = 0; /* Result from fork() */ if (clone_flags & CLONE_SETTLS) { #ifdef CONFIG_PPC64 if (!is_32bit_task()) @@ -765,8 +774,9 @@ int copy_thread(unsigned long clone_flags, unsigned long usp, #endif childregs->gpr[2] = childregs->gpr[6]; } + + f = ret_from_fork; } - childregs->gpr[3] = 0; /* Result from fork() */ sp -= STACK_FRAME_OVERHEAD; /* @@ -805,19 +815,17 @@ int copy_thread(unsigned long clone_flags, unsigned long usp, p->thread.dscr = current->thread.dscr; } #endif - /* * The PPC64 ABI makes use of a TOC to contain function * pointers. The function (ret_from_except) is actually a pointer * to the TOC entry. The first entry is a pointer to the actual * function. - */ + */ #ifdef CONFIG_PPC64 - kregs->nip = *((unsigned long *)ret_from_fork); + kregs->nip = *((unsigned long *)f); #else - kregs->nip = (unsigned long)ret_from_fork; + kregs->nip = (unsigned long)f; #endif - return 0; } @@ -1055,26 +1063,13 @@ int sys_vfork(unsigned long p1, unsigned long p2, unsigned long p3, regs, 0, NULL, NULL); } -int sys_execve(unsigned long a0, unsigned long a1, unsigned long a2, - unsigned long a3, unsigned long a4, unsigned long a5, - struct pt_regs *regs) +void __ret_from_kernel_execve(struct pt_regs *normal) +__noreturn; + +void ret_from_kernel_execve(struct pt_regs *normal) { - int error; - char *filename; - - filename = getname((const char __user *) a0); - error = PTR_ERR(filename); - if (IS_ERR(filename)) - goto out; - flush_fp_to_thread(current); - flush_altivec_to_thread(current); - flush_spe_to_thread(current); - error = do_execve(filename, - (const char __user *const __user *) a1, - (const char __user *const __user *) a2, regs); - putname(filename); -out: - return error; + set_thread_flag(TIF_RESTOREALL); + __ret_from_kernel_execve(normal); } static inline int valid_irq_stack(unsigned long sp, struct task_struct *p, diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c index 8b4c049aee20..804e323c139d 100644 --- a/arch/powerpc/kernel/signal_32.c +++ b/arch/powerpc/kernel/signal_32.c @@ -35,7 +35,6 @@ #include <linux/stddef.h> #include <linux/tty.h> #include <linux/binfmts.h> -#include <linux/freezer.h> #endif #include <asm/uaccess.h> diff --git a/arch/powerpc/kernel/sys_ppc32.c b/arch/powerpc/kernel/sys_ppc32.c index abd1112da54f..9c2ed90ece8f 100644 --- a/arch/powerpc/kernel/sys_ppc32.c +++ b/arch/powerpc/kernel/sys_ppc32.c @@ -156,28 +156,6 @@ asmlinkage long compat_sys_sendfile64_wrapper(u32 out_fd, u32 in_fd, (off_t __user *)offset, count); } -long compat_sys_execve(unsigned long a0, unsigned long a1, unsigned long a2, - unsigned long a3, unsigned long a4, unsigned long a5, - struct pt_regs *regs) -{ - int error; - char * filename; - - filename = getname((char __user *) a0); - error = PTR_ERR(filename); - if (IS_ERR(filename)) - goto out; - flush_fp_to_thread(current); - flush_altivec_to_thread(current); - - error = compat_do_execve(filename, compat_ptr(a1), compat_ptr(a2), regs); - - putname(filename); - -out: - return error; -} - /* Note: it is necessary to treat option as an unsigned int, * with the corresponding cast to a signed int to insure that the * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode) diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index c9986fd400d8..ce4cb772dc78 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -73,7 +73,7 @@ /* powerpc clocksource/clockevent code */ #include <linux/clockchips.h> -#include <linux/clocksource.h> +#include <linux/timekeeper_internal.h> static cycle_t rtc_read(struct clocksource *); static struct clocksource clocksource_rtc = { @@ -727,7 +727,7 @@ static cycle_t timebase_read(struct clocksource *cs) return (cycle_t)get_tb(); } -void update_vsyscall(struct timespec *wall_time, struct timespec *wtm, +void update_vsyscall_old(struct timespec *wall_time, struct timespec *wtm, struct clocksource *clock, u32 mult) { u64 new_tb_to_xs, new_stamp_xsec; diff --git a/arch/powerpc/platforms/pseries/eeh_event.c b/arch/powerpc/platforms/pseries/eeh_event.c index 51faaac8abe6..185bedd926df 100644 --- a/arch/powerpc/platforms/pseries/eeh_event.c +++ b/arch/powerpc/platforms/pseries/eeh_event.c @@ -23,6 +23,7 @@ #include <linux/pci.h> #include <linux/slab.h> #include <linux/workqueue.h> +#include <linux/kthread.h> #include <asm/eeh_event.h> #include <asm/ppc-pci.h> @@ -59,8 +60,6 @@ static int eeh_event_handler(void * dummy) struct eeh_event *event; struct eeh_pe *pe; - set_task_comm(current, "eehd"); - spin_lock_irqsave(&eeh_eventlist_lock, flags); event = NULL; @@ -108,7 +107,7 @@ static int eeh_event_handler(void * dummy) */ static void eeh_thread_launcher(struct work_struct *dummy) { - if (kernel_thread(eeh_event_handler, NULL, CLONE_KERNEL) < 0) + if (IS_ERR(kthread_run(eeh_event_handler, NULL, "eehd"))) printk(KERN_ERR "Failed to start EEH daemon\n"); } diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 99d2d790d152..e5dac1236185 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -131,7 +131,7 @@ config S390 select HAVE_UID16 if 32BIT select ARCH_WANT_IPC_PARSE_VERSION select GENERIC_SMP_IDLE_THREAD - select GENERIC_TIME_VSYSCALL + select GENERIC_TIME_VSYSCALL_OLD select GENERIC_CLOCKEVENTS select KTIME_SCALAR if 32BIT select HAVE_ARCH_SECCOMP_FILTER diff --git a/arch/s390/include/asm/thread_info.h b/arch/s390/include/asm/thread_info.h index bb08e2afc5de..9e2cfe0349c3 100644 --- a/arch/s390/include/asm/thread_info.h +++ b/arch/s390/include/asm/thread_info.h @@ -91,8 +91,6 @@ static inline struct thread_info *current_thread_info(void) #define TIF_SYSCALL_AUDIT 9 /* syscall auditing active */ #define TIF_SECCOMP 10 /* secure computing */ #define TIF_SYSCALL_TRACEPOINT 11 /* syscall tracepoint instrumentation */ -#define TIF_POLLING_NRFLAG 16 /* true if poll_idle() is polling - TIF_NEED_RESCHED */ #define TIF_31BIT 17 /* 32bit process */ #define TIF_MEMDIE 18 /* is terminating due to OOM killer */ #define TIF_RESTORE_SIGMASK 19 /* restore signal mask in do_signal() */ @@ -100,7 +98,6 @@ static inline struct thread_info *current_thread_info(void) #define _TIF_SYSCALL (1<<TIF_SYSCALL) #define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME) -#define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK) #define _TIF_SIGPENDING (1<<TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) #define _TIF_PER_TRAP (1<<TIF_PER_TRAP) @@ -109,7 +106,6 @@ static inline struct thread_info *current_thread_info(void) #define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT) #define _TIF_SECCOMP (1<<TIF_SECCOMP) #define _TIF_SYSCALL_TRACEPOINT (1<<TIF_SYSCALL_TRACEPOINT) -#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) #define _TIF_31BIT (1<<TIF_31BIT) #define _TIF_SINGLE_STEP (1<<TIF_SINGLE_STEP) diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c index 2db1011b8b19..7fcd690d42c7 100644 --- a/arch/s390/kernel/time.c +++ b/arch/s390/kernel/time.c @@ -34,7 +34,7 @@ #include <linux/profile.h> #include <linux/timex.h> #include <linux/notifier.h> -#include <linux/clocksource.h> +#include <linux/timekeeper_internal.h> #include <linux/clockchips.h> #include <linux/gfp.h> #include <linux/kprobes.h> @@ -219,7 +219,7 @@ struct clocksource * __init clocksource_default_clock(void) return &clocksource_tod; } -void update_vsyscall(struct timespec *wall_time, struct timespec *wtm, +void update_vsyscall_old(struct timespec *wall_time, struct timespec *wtm, struct clocksource *clock, u32 mult) { if (clock != &clocksource_tod) diff --git a/arch/score/include/asm/thread_info.h b/arch/score/include/asm/thread_info.h index a18006e97f1c..1425cc034872 100644 --- a/arch/score/include/asm/thread_info.h +++ b/arch/score/include/asm/thread_info.h @@ -86,16 +86,12 @@ register struct thread_info *__current_thread_info __asm__("r28"); #define TIF_NEED_RESCHED 2 /* rescheduling necessary */ #define TIF_NOTIFY_RESUME 5 /* callback before returning to user */ #define TIF_RESTORE_SIGMASK 9 /* restore signal mask in do_signal() */ -#define TIF_POLLING_NRFLAG 17 /* true if poll_idle() is polling - TIF_NEED_RESCHED */ #define TIF_MEMDIE 18 /* is terminating due to OOM killer */ #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) #define _TIF_SIGPENDING (1<<TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) #define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME) -#define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK) -#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) #define _TIF_WORK_MASK (0x0000ffff) diff --git a/arch/score/kernel/signal.c b/arch/score/kernel/signal.c index e382c52ca0d9..c268bbf8b410 100644 --- a/arch/score/kernel/signal.c +++ b/arch/score/kernel/signal.c @@ -174,6 +174,7 @@ score_rt_sigreturn(struct pt_regs *regs) /* It is more difficult to avoid calling this function than to call it and ignore errors. */ do_sigaltstack((stack_t __user *)&st, NULL, regs->regs[0]); + regs->is_syscall = 0; __asm__ __volatile__( "mv\tr0, %0\n\t" diff --git a/arch/score/kernel/sys_score.c b/arch/score/kernel/sys_score.c index 21e867974066..d45cf00a3351 100644 --- a/arch/score/kernel/sys_score.c +++ b/arch/score/kernel/sys_score.c @@ -92,14 +92,14 @@ asmlinkage long score_execve(struct pt_regs *regs) { int error; - char *filename; + struct filename *filename; filename = getname((char __user*)regs->regs[4]); error = PTR_ERR(filename); if (IS_ERR(filename)) return error; - error = do_execve(filename, + error = do_execve(filename->name, (const char __user *const __user *)regs->regs[5], (const char __user *const __user *)regs->regs[6], regs); diff --git a/arch/sh/include/asm/thread_info.h b/arch/sh/include/asm/thread_info.h index bc13b57cdc83..7d5ac4e48485 100644 --- a/arch/sh/include/asm/thread_info.h +++ b/arch/sh/include/asm/thread_info.h @@ -206,6 +206,9 @@ static inline bool test_and_clear_restore_sigmask(void) ti->status &= ~TS_RESTORE_SIGMASK; return true; } + +#define tsk_is_polling(t) test_tsk_thread_flag(t, TIF_POLLING_NRFLAG) + #endif /* !__ASSEMBLY__ */ #endif /* __KERNEL__ */ diff --git a/arch/sh/kernel/process_32.c b/arch/sh/kernel/process_32.c index 59521e8a164d..ba7345f37bc9 100644 --- a/arch/sh/kernel/process_32.c +++ b/arch/sh/kernel/process_32.c @@ -298,14 +298,14 @@ asmlinkage int sys_execve(const char __user *ufilename, { struct pt_regs *regs = RELOC_HIDE(&__regs, 0); int error; - char *filename; + struct filename *filename; filename = getname(ufilename); error = PTR_ERR(filename); if (IS_ERR(filename)) goto out; - error = do_execve(filename, uargv, uenvp, regs); + error = do_execve(filename->name, uargv, uenvp, regs); putname(filename); out: return error; diff --git a/arch/sh/kernel/process_64.c b/arch/sh/kernel/process_64.c index 602545b12a86..98a709f0c3c4 100644 --- a/arch/sh/kernel/process_64.c +++ b/arch/sh/kernel/process_64.c @@ -491,14 +491,14 @@ asmlinkage int sys_execve(const char *ufilename, char **uargv, struct pt_regs *pregs) { int error; - char *filename; + struct filename *filename; filename = getname((char __user *)ufilename); error = PTR_ERR(filename); if (IS_ERR(filename)) goto out; - error = do_execve(filename, + error = do_execve(filename->name, (const char __user *const __user *)uargv, (const char __user *const __user *)uenvp, pregs); diff --git a/arch/sh/kernel/signal_32.c b/arch/sh/kernel/signal_32.c index d6b7b6154f87..2f1f65356c0c 100644 --- a/arch/sh/kernel/signal_32.c +++ b/arch/sh/kernel/signal_32.c @@ -22,7 +22,6 @@ #include <linux/elf.h> #include <linux/personality.h> #include <linux/binfmts.h> -#include <linux/freezer.h> #include <linux/io.h> #include <linux/tracehook.h> #include <asm/ucontext.h> diff --git a/arch/sh/kernel/signal_64.c b/arch/sh/kernel/signal_64.c index 6b5b3dfe886b..23853814bd17 100644 --- a/arch/sh/kernel/signal_64.c +++ b/arch/sh/kernel/signal_64.c @@ -18,7 +18,6 @@ #include <linux/errno.h> #include <linux/wait.h> #include <linux/personality.h> -#include <linux/freezer.h> #include <linux/ptrace.h> #include <linux/unistd.h> #include <linux/stddef.h> diff --git a/arch/sparc/include/asm/thread_info_32.h b/arch/sparc/include/asm/thread_info_32.h index e6cd224506a9..25849ae3e900 100644 --- a/arch/sparc/include/asm/thread_info_32.h +++ b/arch/sparc/include/asm/thread_info_32.h @@ -126,13 +126,14 @@ register struct thread_info *current_thread_info_reg asm("g6"); #define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME) #define _TIF_SIGPENDING (1<<TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) -#define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK) #define _TIF_USEDFPU (1<<TIF_USEDFPU) #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) #define _TIF_DO_NOTIFY_RESUME_MASK (_TIF_NOTIFY_RESUME | \ _TIF_SIGPENDING) +#define tsk_is_polling(t) test_tsk_thread_flag(t, TIF_POLLING_NRFLAG) + #endif /* __KERNEL__ */ #endif /* _ASM_THREAD_INFO_H */ diff --git a/arch/sparc/include/asm/thread_info_64.h b/arch/sparc/include/asm/thread_info_64.h index cfa8c38fb9c8..4e2276631081 100644 --- a/arch/sparc/include/asm/thread_info_64.h +++ b/arch/sparc/include/asm/thread_info_64.h @@ -256,6 +256,9 @@ static inline bool test_and_clear_restore_sigmask(void) ti->status &= ~TS_RESTORE_SIGMASK; return true; } + +#define tsk_is_polling(t) test_tsk_thread_flag(t, TIF_POLLING_NRFLAG) + #endif /* !__ASSEMBLY__ */ #endif /* __KERNEL__ */ diff --git a/arch/sparc/include/asm/uaccess_64.h b/arch/sparc/include/asm/uaccess_64.h index 7c831d848b4e..73083e1d38d9 100644 --- a/arch/sparc/include/asm/uaccess_64.h +++ b/arch/sparc/include/asm/uaccess_64.h @@ -265,6 +265,11 @@ extern __must_check long strnlen_user(const char __user *str, long n); #define __copy_to_user_inatomic ___copy_to_user #define __copy_from_user_inatomic ___copy_from_user +struct pt_regs; +extern unsigned long compute_effective_address(struct pt_regs *, + unsigned int insn, + unsigned int rd); + #endif /* __ASSEMBLY__ */ #endif /* _ASM_UACCESS_H */ diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c index 14006d8aca28..487bffb36f5e 100644 --- a/arch/sparc/kernel/process_32.c +++ b/arch/sparc/kernel/process_32.c @@ -482,7 +482,7 @@ int dump_fpu (struct pt_regs * regs, elf_fpregset_t * fpregs) asmlinkage int sparc_execve(struct pt_regs *regs) { int error, base = 0; - char *filename; + struct filename *filename; /* Check for indirect call. */ if(regs->u_regs[UREG_G1] == 0) @@ -492,7 +492,7 @@ asmlinkage int sparc_execve(struct pt_regs *regs) error = PTR_ERR(filename); if(IS_ERR(filename)) goto out; - error = do_execve(filename, + error = do_execve(filename->name, (const char __user *const __user *) regs->u_regs[base + UREG_I1], (const char __user *const __user *) diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c index aff0c72fac09..fcaa59421126 100644 --- a/arch/sparc/kernel/process_64.c +++ b/arch/sparc/kernel/process_64.c @@ -722,7 +722,7 @@ EXPORT_SYMBOL(dump_fpu); asmlinkage int sparc_execve(struct pt_regs *regs) { int error, base = 0; - char *filename; + struct filename *filename; /* User register window flush is done by entry.S */ @@ -734,7 +734,7 @@ asmlinkage int sparc_execve(struct pt_regs *regs) error = PTR_ERR(filename); if (IS_ERR(filename)) goto out; - error = do_execve(filename, + error = do_execve(filename->name, (const char __user *const __user *) regs->u_regs[base + UREG_I1], (const char __user *const __user *) diff --git a/arch/sparc/kernel/sys_sparc32.c b/arch/sparc/kernel/sys_sparc32.c index d862499eb01c..c3239811a1b5 100644 --- a/arch/sparc/kernel/sys_sparc32.c +++ b/arch/sparc/kernel/sys_sparc32.c @@ -403,7 +403,7 @@ asmlinkage long compat_sys_rt_sigaction(int sig, asmlinkage long sparc32_execve(struct pt_regs *regs) { int error, base = 0; - char *filename; + struct filename *filename; /* User register window flush is done by entry.S */ @@ -416,7 +416,7 @@ asmlinkage long sparc32_execve(struct pt_regs *regs) if (IS_ERR(filename)) goto out; - error = compat_do_execve(filename, + error = compat_do_execve(filename->name, compat_ptr(regs->u_regs[base + UREG_I1]), compat_ptr(regs->u_regs[base + UREG_I2]), regs); diff --git a/arch/sparc/kernel/syscalls.S b/arch/sparc/kernel/syscalls.S index 1d7e274f3f2b..7f5f65d0b3fd 100644 --- a/arch/sparc/kernel/syscalls.S +++ b/arch/sparc/kernel/syscalls.S @@ -212,24 +212,20 @@ linux_sparc_syscall: 3: stx %o0, [%sp + PTREGS_OFF + PT_V9_I0] ret_sys_call: ldx [%sp + PTREGS_OFF + PT_V9_TSTATE], %g3 - ldx [%sp + PTREGS_OFF + PT_V9_TNPC], %l1 ! pc = npc sra %o0, 0, %o0 mov %ulo(TSTATE_XCARRY | TSTATE_ICARRY), %g2 sllx %g2, 32, %g2 - /* Check if force_successful_syscall_return() - * was invoked. - */ - ldub [%g6 + TI_SYS_NOERROR], %l2 - brnz,a,pn %l2, 80f - stb %g0, [%g6 + TI_SYS_NOERROR] - cmp %o0, -ERESTART_RESTARTBLOCK bgeu,pn %xcc, 1f - andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT), %l6 -80: + andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT), %g0 + ldx [%sp + PTREGS_OFF + PT_V9_TNPC], %l1 ! pc = npc + +2: + stb %g0, [%g6 + TI_SYS_NOERROR] /* System call success, clear Carry condition code. */ andn %g3, %g2, %g3 +3: stx %g3, [%sp + PTREGS_OFF + PT_V9_TSTATE] bne,pn %icc, linux_syscall_trace2 add %l1, 0x4, %l2 ! npc = npc+4 @@ -238,20 +234,20 @@ ret_sys_call: stx %l2, [%sp + PTREGS_OFF + PT_V9_TNPC] 1: + /* Check if force_successful_syscall_return() + * was invoked. + */ + ldub [%g6 + TI_SYS_NOERROR], %l2 + brnz,pn %l2, 2b + ldx [%sp + PTREGS_OFF + PT_V9_TNPC], %l1 ! pc = npc /* System call failure, set Carry condition code. * Also, get abs(errno) to return to the process. */ - andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT), %l6 sub %g0, %o0, %o0 - or %g3, %g2, %g3 stx %o0, [%sp + PTREGS_OFF + PT_V9_I0] - stx %g3, [%sp + PTREGS_OFF + PT_V9_TSTATE] - bne,pn %icc, linux_syscall_trace2 - add %l1, 0x4, %l2 ! npc = npc+4 - stx %l1, [%sp + PTREGS_OFF + PT_V9_TPC] + ba,pt %xcc, 3b + or %g3, %g2, %g3 - b,pt %xcc, rtrap - stx %l2, [%sp + PTREGS_OFF + PT_V9_TNPC] linux_syscall_trace2: call syscall_trace_leave add %sp, PTREGS_OFF, %o0 diff --git a/arch/sparc/kernel/traps_64.c b/arch/sparc/kernel/traps_64.c index fa1f1d375ffc..b66a77968f35 100644 --- a/arch/sparc/kernel/traps_64.c +++ b/arch/sparc/kernel/traps_64.c @@ -1,6 +1,6 @@ /* arch/sparc64/kernel/traps.c * - * Copyright (C) 1995,1997,2008,2009 David S. Miller (davem@davemloft.net) + * Copyright (C) 1995,1997,2008,2009,2012 David S. Miller (davem@davemloft.net) * Copyright (C) 1997,1999,2000 Jakub Jelinek (jakub@redhat.com) */ @@ -18,6 +18,7 @@ #include <linux/init.h> #include <linux/kdebug.h> #include <linux/ftrace.h> +#include <linux/reboot.h> #include <linux/gfp.h> #include <asm/smp.h> @@ -1760,85 +1761,223 @@ void cheetah_plus_parity_error(int type, struct pt_regs *regs) } struct sun4v_error_entry { - u64 err_handle; - u64 err_stick; + /* Unique error handle */ +/*0x00*/u64 err_handle; - u32 err_type; + /* %stick value at the time of the error */ +/*0x08*/u64 err_stick; + +/*0x10*/u8 reserved_1[3]; + + /* Error type */ +/*0x13*/u8 err_type; #define SUN4V_ERR_TYPE_UNDEFINED 0 #define SUN4V_ERR_TYPE_UNCORRECTED_RES 1 #define SUN4V_ERR_TYPE_PRECISE_NONRES 2 #define SUN4V_ERR_TYPE_DEFERRED_NONRES 3 -#define SUN4V_ERR_TYPE_WARNING_RES 4 +#define SUN4V_ERR_TYPE_SHUTDOWN_RQST 4 +#define SUN4V_ERR_TYPE_DUMP_CORE 5 +#define SUN4V_ERR_TYPE_SP_STATE_CHANGE 6 +#define SUN4V_ERR_TYPE_NUM 7 - u32 err_attrs; + /* Error attributes */ +/*0x14*/u32 err_attrs; #define SUN4V_ERR_ATTRS_PROCESSOR 0x00000001 #define SUN4V_ERR_ATTRS_MEMORY 0x00000002 #define SUN4V_ERR_ATTRS_PIO 0x00000004 #define SUN4V_ERR_ATTRS_INT_REGISTERS 0x00000008 #define SUN4V_ERR_ATTRS_FPU_REGISTERS 0x00000010 -#define SUN4V_ERR_ATTRS_USER_MODE 0x01000000 -#define SUN4V_ERR_ATTRS_PRIV_MODE 0x02000000 +#define SUN4V_ERR_ATTRS_SHUTDOWN_RQST 0x00000020 +#define SUN4V_ERR_ATTRS_ASR 0x00000040 +#define SUN4V_ERR_ATTRS_ASI 0x00000080 +#define SUN4V_ERR_ATTRS_PRIV_REG 0x00000100 +#define SUN4V_ERR_ATTRS_SPSTATE_MSK 0x00000600 +#define SUN4V_ERR_ATTRS_SPSTATE_SHFT 9 +#define SUN4V_ERR_ATTRS_MODE_MSK 0x03000000 +#define SUN4V_ERR_ATTRS_MODE_SHFT 24 #define SUN4V_ERR_ATTRS_RES_QUEUE_FULL 0x80000000 - u64 err_raddr; - u32 err_size; - u16 err_cpu; - u16 err_pad; +#define SUN4V_ERR_SPSTATE_FAULTED 0 +#define SUN4V_ERR_SPSTATE_AVAILABLE 1 +#define SUN4V_ERR_SPSTATE_NOT_PRESENT 2 + +#define SUN4V_ERR_MODE_USER 1 +#define SUN4V_ERR_MODE_PRIV 2 + + /* Real address of the memory region or PIO transaction */ +/*0x18*/u64 err_raddr; + + /* Size of the operation triggering the error, in bytes */ +/*0x20*/u32 err_size; + + /* ID of the CPU */ +/*0x24*/u16 err_cpu; + + /* Grace periof for shutdown, in seconds */ +/*0x26*/u16 err_secs; + + /* Value of the %asi register */ +/*0x28*/u8 err_asi; + +/*0x29*/u8 reserved_2; + + /* Value of the ASR register number */ +/*0x2a*/u16 err_asr; +#define SUN4V_ERR_ASR_VALID 0x8000 + +/*0x2c*/u32 reserved_3; +/*0x30*/u64 reserved_4; +/*0x38*/u64 reserved_5; }; static atomic_t sun4v_resum_oflow_cnt = ATOMIC_INIT(0); static atomic_t sun4v_nonresum_oflow_cnt = ATOMIC_INIT(0); -static const char *sun4v_err_type_to_str(u32 type) -{ - switch (type) { - case SUN4V_ERR_TYPE_UNDEFINED: - return "undefined"; - case SUN4V_ERR_TYPE_UNCORRECTED_RES: - return "uncorrected resumable"; - case SUN4V_ERR_TYPE_PRECISE_NONRES: - return "precise nonresumable"; - case SUN4V_ERR_TYPE_DEFERRED_NONRES: - return "deferred nonresumable"; - case SUN4V_ERR_TYPE_WARNING_RES: - return "warning resumable"; - default: - return "unknown"; +static const char *sun4v_err_type_to_str(u8 type) +{ + static const char *types[SUN4V_ERR_TYPE_NUM] = { + "undefined", + "uncorrected resumable", + "precise nonresumable", + "deferred nonresumable", + "shutdown request", + "dump core", + "SP state change", + }; + + if (type < SUN4V_ERR_TYPE_NUM) + return types[type]; + + return "unknown"; +} + +static void sun4v_emit_err_attr_strings(u32 attrs) +{ + static const char *attr_names[] = { + "processor", + "memory", + "PIO", + "int-registers", + "fpu-registers", + "shutdown-request", + "ASR", + "ASI", + "priv-reg", + }; + static const char *sp_states[] = { + "sp-faulted", + "sp-available", + "sp-not-present", + "sp-state-reserved", + }; + static const char *modes[] = { + "mode-reserved0", + "user", + "priv", + "mode-reserved1", + }; + u32 sp_state, mode; + int i; + + for (i = 0; i < ARRAY_SIZE(attr_names); i++) { + if (attrs & (1U << i)) { + const char *s = attr_names[i]; + + pr_cont("%s ", s); + } } + + sp_state = ((attrs & SUN4V_ERR_ATTRS_SPSTATE_MSK) >> + SUN4V_ERR_ATTRS_SPSTATE_SHFT); + pr_cont("%s ", sp_states[sp_state]); + + mode = ((attrs & SUN4V_ERR_ATTRS_MODE_MSK) >> + SUN4V_ERR_ATTRS_MODE_SHFT); + pr_cont("%s ", modes[mode]); + + if (attrs & SUN4V_ERR_ATTRS_RES_QUEUE_FULL) + pr_cont("res-queue-full "); } -static void sun4v_log_error(struct pt_regs *regs, struct sun4v_error_entry *ent, int cpu, const char *pfx, atomic_t *ocnt) +/* When the report contains a real-address of "-1" it means that the + * hardware did not provide the address. So we compute the effective + * address of the load or store instruction at regs->tpc and report + * that. Usually when this happens it's a PIO and in such a case we + * are using physical addresses with bypass ASIs anyways, so what we + * report here is exactly what we want. + */ +static void sun4v_report_real_raddr(const char *pfx, struct pt_regs *regs) { + unsigned int insn; + u64 addr; + + if (!(regs->tstate & TSTATE_PRIV)) + return; + + insn = *(unsigned int *) regs->tpc; + + addr = compute_effective_address(regs, insn, 0); + + printk("%s: insn effective address [0x%016llx]\n", + pfx, addr); +} + +static void sun4v_log_error(struct pt_regs *regs, struct sun4v_error_entry *ent, + int cpu, const char *pfx, atomic_t *ocnt) +{ + u64 *raw_ptr = (u64 *) ent; + u32 attrs; int cnt; printk("%s: Reporting on cpu %d\n", pfx, cpu); - printk("%s: err_handle[%llx] err_stick[%llx] err_type[%08x:%s]\n", - pfx, - ent->err_handle, ent->err_stick, - ent->err_type, - sun4v_err_type_to_str(ent->err_type)); - printk("%s: err_attrs[%08x:%s %s %s %s %s %s %s %s]\n", - pfx, - ent->err_attrs, - ((ent->err_attrs & SUN4V_ERR_ATTRS_PROCESSOR) ? - "processor" : ""), - ((ent->err_attrs & SUN4V_ERR_ATTRS_MEMORY) ? - "memory" : ""), - ((ent->err_attrs & SUN4V_ERR_ATTRS_PIO) ? - "pio" : ""), - ((ent->err_attrs & SUN4V_ERR_ATTRS_INT_REGISTERS) ? - "integer-regs" : ""), - ((ent->err_attrs & SUN4V_ERR_ATTRS_FPU_REGISTERS) ? - "fpu-regs" : ""), - ((ent->err_attrs & SUN4V_ERR_ATTRS_USER_MODE) ? - "user" : ""), - ((ent->err_attrs & SUN4V_ERR_ATTRS_PRIV_MODE) ? - "privileged" : ""), - ((ent->err_attrs & SUN4V_ERR_ATTRS_RES_QUEUE_FULL) ? - "queue-full" : "")); - printk("%s: err_raddr[%016llx] err_size[%u] err_cpu[%u]\n", - pfx, - ent->err_raddr, ent->err_size, ent->err_cpu); + printk("%s: TPC [0x%016lx] <%pS>\n", + pfx, regs->tpc, (void *) regs->tpc); + + printk("%s: RAW [%016llx:%016llx:%016llx:%016llx\n", + pfx, raw_ptr[0], raw_ptr[1], raw_ptr[2], raw_ptr[3]); + printk("%s: %016llx:%016llx:%016llx:%016llx]\n", + pfx, raw_ptr[4], raw_ptr[5], raw_ptr[6], raw_ptr[7]); + + printk("%s: handle [0x%016llx] stick [0x%016llx]\n", + pfx, ent->err_handle, ent->err_stick); + + printk("%s: type [%s]\n", pfx, sun4v_err_type_to_str(ent->err_type)); + + attrs = ent->err_attrs; + printk("%s: attrs [0x%08x] < ", pfx, attrs); + sun4v_emit_err_attr_strings(attrs); + pr_cont(">\n"); + + /* Various fields in the error report are only valid if + * certain attribute bits are set. + */ + if (attrs & (SUN4V_ERR_ATTRS_MEMORY | + SUN4V_ERR_ATTRS_PIO | + SUN4V_ERR_ATTRS_ASI)) { + printk("%s: raddr [0x%016llx]\n", pfx, ent->err_raddr); + + if (ent->err_raddr == ~(u64)0) + sun4v_report_real_raddr(pfx, regs); + } + + if (attrs & (SUN4V_ERR_ATTRS_MEMORY | SUN4V_ERR_ATTRS_ASI)) + printk("%s: size [0x%x]\n", pfx, ent->err_size); + + if (attrs & (SUN4V_ERR_ATTRS_PROCESSOR | + SUN4V_ERR_ATTRS_INT_REGISTERS | + SUN4V_ERR_ATTRS_FPU_REGISTERS | + SUN4V_ERR_ATTRS_PRIV_REG)) + printk("%s: cpu[%u]\n", pfx, ent->err_cpu); + + if (attrs & SUN4V_ERR_ATTRS_ASI) + printk("%s: asi [0x%02x]\n", pfx, ent->err_asi); + + if ((attrs & (SUN4V_ERR_ATTRS_INT_REGISTERS | + SUN4V_ERR_ATTRS_FPU_REGISTERS | + SUN4V_ERR_ATTRS_PRIV_REG)) && + (ent->err_asr & SUN4V_ERR_ASR_VALID) != 0) + printk("%s: reg [0x%04x]\n", + pfx, ent->err_asr & ~SUN4V_ERR_ASR_VALID); show_regs(regs); @@ -1874,13 +2013,15 @@ void sun4v_resum_error(struct pt_regs *regs, unsigned long offset) put_cpu(); - if (ent->err_type == SUN4V_ERR_TYPE_WARNING_RES) { - /* If err_type is 0x4, it's a powerdown request. Do - * not do the usual resumable error log because that - * makes it look like some abnormal error. + if (local_copy.err_type == SUN4V_ERR_TYPE_SHUTDOWN_RQST) { + /* We should really take the seconds field of + * the error report and use it for the shutdown + * invocation, but for now do the same thing we + * do for a DS shutdown request. */ - printk(KERN_INFO "Power down request...\n"); - kill_cad_pid(SIGINT, 1); + pr_info("Shutdown request, %u seconds...\n", + local_copy.err_secs); + orderly_poweroff(true); return; } diff --git a/arch/sparc/mm/fault_64.c b/arch/sparc/mm/fault_64.c index 2976dba1ebaf..097aee763af3 100644 --- a/arch/sparc/mm/fault_64.c +++ b/arch/sparc/mm/fault_64.c @@ -151,8 +151,6 @@ show_signal_msg(struct pt_regs *regs, int sig, int code, printk(KERN_CONT "\n"); } -extern unsigned long compute_effective_address(struct pt_regs *, unsigned int, unsigned int); - static void do_fault_siginfo(int code, int sig, struct pt_regs *regs, unsigned int insn, int fault_code) { diff --git a/arch/tile/include/arch/Kbuild b/arch/tile/include/arch/Kbuild index 9c0ea24cc948..e69de29bb2d1 100644 --- a/arch/tile/include/arch/Kbuild +++ b/arch/tile/include/arch/Kbuild @@ -1,17 +0,0 @@ -header-y += abi.h -header-y += chip.h -header-y += chip_tile64.h -header-y += chip_tilegx.h -header-y += chip_tilepro.h -header-y += icache.h -header-y += interrupts.h -header-y += interrupts_32.h -header-y += interrupts_64.h -header-y += opcode.h -header-y += opcode_tilegx.h -header-y += opcode_tilepro.h -header-y += sim.h -header-y += sim_def.h -header-y += spr_def.h -header-y += spr_def_32.h -header-y += spr_def_64.h diff --git a/arch/tile/include/arch/spr_def.h b/arch/tile/include/arch/spr_def.h index d6ba449b5363..2de83e7aff3e 100644 --- a/arch/tile/include/arch/spr_def.h +++ b/arch/tile/include/arch/spr_def.h @@ -11,15 +11,11 @@ * NON INFRINGEMENT. See the GNU General Public License for * more details. */ +#ifndef __ARCH_SPR_DEF_H__ +#define __ARCH_SPR_DEF_H__ -/* Include the proper base SPR definition file. */ -#ifdef __tilegx__ -#include <arch/spr_def_64.h> -#else -#include <arch/spr_def_32.h> -#endif +#include <uapi/arch/spr_def.h> -#ifdef __KERNEL__ /* * In addition to including the proper base SPR definition file, depending @@ -110,4 +106,4 @@ #define INT_INTCTRL_K \ _concat4(INT_INTCTRL_, CONFIG_KERNEL_PL,,) -#endif /* __KERNEL__ */ +#endif /* __ARCH_SPR_DEF_H__ */ diff --git a/arch/tile/include/asm/Kbuild b/arch/tile/include/asm/Kbuild index 5cd98fac9899..c68808a09da7 100644 --- a/arch/tile/include/asm/Kbuild +++ b/arch/tile/include/asm/Kbuild @@ -1,10 +1,7 @@ -include include/asm-generic/Kbuild.asm header-y += ../arch/ -header-y += cachectl.h header-y += ucontext.h -header-y += hardwall.h generic-y += bug.h generic-y += bugs.h diff --git a/arch/tile/include/asm/hardwall.h b/arch/tile/include/asm/hardwall.h index 47514a58d685..2f572b6b7bc2 100644 --- a/arch/tile/include/asm/hardwall.h +++ b/arch/tile/include/asm/hardwall.h @@ -14,40 +14,11 @@ * Provide methods for access control of per-cpu resources like * UDN, IDN, or IPI. */ - #ifndef _ASM_TILE_HARDWALL_H #define _ASM_TILE_HARDWALL_H -#include <arch/chip.h> -#include <linux/ioctl.h> - -#define HARDWALL_IOCTL_BASE 0xa2 - -/* - * The HARDWALL_CREATE() ioctl is a macro with a "size" argument. - * The resulting ioctl value is passed to the kernel in conjunction - * with a pointer to a standard kernel bitmask of cpus. - * For network resources (UDN or IDN) the bitmask must physically - * represent a rectangular configuration on the chip. - * The "size" is the number of bytes of cpu mask data. - */ -#define _HARDWALL_CREATE 1 -#define HARDWALL_CREATE(size) \ - _IOC(_IOC_READ, HARDWALL_IOCTL_BASE, _HARDWALL_CREATE, (size)) - -#define _HARDWALL_ACTIVATE 2 -#define HARDWALL_ACTIVATE \ - _IO(HARDWALL_IOCTL_BASE, _HARDWALL_ACTIVATE) - -#define _HARDWALL_DEACTIVATE 3 -#define HARDWALL_DEACTIVATE \ - _IO(HARDWALL_IOCTL_BASE, _HARDWALL_DEACTIVATE) - -#define _HARDWALL_GET_ID 4 -#define HARDWALL_GET_ID \ - _IO(HARDWALL_IOCTL_BASE, _HARDWALL_GET_ID) +#include <uapi/asm/hardwall.h> -#ifdef __KERNEL__ /* /proc hooks for hardwall. */ struct proc_dir_entry; #ifdef CONFIG_HARDWALL @@ -56,6 +27,4 @@ int proc_pid_hardwall(struct task_struct *task, char *buffer); #else static inline void proc_tile_hardwall_init(struct proc_dir_entry *root) {} #endif -#endif - #endif /* _ASM_TILE_HARDWALL_H */ diff --git a/arch/tile/include/asm/ptrace.h b/arch/tile/include/asm/ptrace.h index c6cddd7e8d51..1a4fd9ab0ee1 100644 --- a/arch/tile/include/asm/ptrace.h +++ b/arch/tile/include/asm/ptrace.h @@ -11,87 +11,21 @@ * NON INFRINGEMENT. See the GNU General Public License for * more details. */ - #ifndef _ASM_TILE_PTRACE_H #define _ASM_TILE_PTRACE_H -#include <arch/chip.h> -#include <arch/abi.h> - -/* These must match struct pt_regs, below. */ -#if CHIP_WORD_SIZE() == 32 -#define PTREGS_OFFSET_REG(n) ((n)*4) -#else -#define PTREGS_OFFSET_REG(n) ((n)*8) -#endif -#define PTREGS_OFFSET_BASE 0 -#define PTREGS_OFFSET_TP PTREGS_OFFSET_REG(53) -#define PTREGS_OFFSET_SP PTREGS_OFFSET_REG(54) -#define PTREGS_OFFSET_LR PTREGS_OFFSET_REG(55) -#define PTREGS_NR_GPRS 56 -#define PTREGS_OFFSET_PC PTREGS_OFFSET_REG(56) -#define PTREGS_OFFSET_EX1 PTREGS_OFFSET_REG(57) -#define PTREGS_OFFSET_FAULTNUM PTREGS_OFFSET_REG(58) -#define PTREGS_OFFSET_ORIG_R0 PTREGS_OFFSET_REG(59) -#define PTREGS_OFFSET_FLAGS PTREGS_OFFSET_REG(60) -#if CHIP_HAS_CMPEXCH() -#define PTREGS_OFFSET_CMPEXCH PTREGS_OFFSET_REG(61) -#endif -#define PTREGS_SIZE PTREGS_OFFSET_REG(64) +#include <linux/compiler.h> #ifndef __ASSEMBLY__ - -#ifdef __KERNEL__ /* Benefit from consistent use of "long" on all chips. */ typedef unsigned long pt_reg_t; -#else -/* Provide appropriate length type to userspace regardless of -m32/-m64. */ -typedef uint_reg_t pt_reg_t; -#endif - -/* - * This struct defines the way the registers are stored on the stack during a - * system call or exception. "struct sigcontext" has the same shape. - */ -struct pt_regs { - /* Saved main processor registers; 56..63 are special. */ - /* tp, sp, and lr must immediately follow regs[] for aliasing. */ - pt_reg_t regs[53]; - pt_reg_t tp; /* aliases regs[TREG_TP] */ - pt_reg_t sp; /* aliases regs[TREG_SP] */ - pt_reg_t lr; /* aliases regs[TREG_LR] */ - - /* Saved special registers. */ - pt_reg_t pc; /* stored in EX_CONTEXT_K_0 */ - pt_reg_t ex1; /* stored in EX_CONTEXT_K_1 (PL and ICS bit) */ - pt_reg_t faultnum; /* fault number (INT_SWINT_1 for syscall) */ - pt_reg_t orig_r0; /* r0 at syscall entry, else zero */ - pt_reg_t flags; /* flags (see below) */ -#if !CHIP_HAS_CMPEXCH() - pt_reg_t pad[3]; -#else - pt_reg_t cmpexch; /* value of CMPEXCH_VALUE SPR at interrupt */ - pt_reg_t pad[2]; #endif -}; - -#endif /* __ASSEMBLY__ */ -#define PTRACE_GETREGS 12 -#define PTRACE_SETREGS 13 -#define PTRACE_GETFPREGS 14 -#define PTRACE_SETFPREGS 15 +#include <uapi/asm/ptrace.h> -/* Support TILE-specific ptrace options, with events starting at 16. */ -#define PTRACE_O_TRACEMIGRATE 0x00010000 -#define PTRACE_EVENT_MIGRATE 16 -#ifdef __KERNEL__ #define PTRACE_O_MASK_TILE (PTRACE_O_TRACEMIGRATE) #define PT_TRACE_MIGRATE 0x00080000 #define PT_TRACE_MASK_TILE (PT_TRACE_MIGRATE) -#endif - -#ifdef __KERNEL__ /* Flag bits in pt_regs.flags */ #define PT_FLAGS_DISABLE_IRQ 1 /* on return to kernel, disable irqs */ @@ -159,6 +93,4 @@ extern void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs, #define SINGLESTEP_STATE_TARGET_LB 2 #define SINGLESTEP_STATE_TARGET_UB 7 -#endif /* !__KERNEL__ */ - #endif /* _ASM_TILE_PTRACE_H */ diff --git a/arch/tile/include/asm/setup.h b/arch/tile/include/asm/setup.h index c67eb70ea78e..d048888c5d9a 100644 --- a/arch/tile/include/asm/setup.h +++ b/arch/tile/include/asm/setup.h @@ -11,16 +11,13 @@ * NON INFRINGEMENT. See the GNU General Public License for * more details. */ - #ifndef _ASM_TILE_SETUP_H #define _ASM_TILE_SETUP_H -#define COMMAND_LINE_SIZE 2048 - -#ifdef __KERNEL__ #include <linux/pfn.h> #include <linux/init.h> +#include <uapi/asm/setup.h> /* * Reserved space for vmalloc and iomap - defined in asm/page.h @@ -53,6 +50,4 @@ int hardwall_ipi_valid(int cpu); } while (0) #endif -#endif /* __KERNEL__ */ - #endif /* _ASM_TILE_SETUP_H */ diff --git a/arch/tile/include/asm/signal.h b/arch/tile/include/asm/signal.h index 1e5e49aad548..10e183de96d3 100644 --- a/arch/tile/include/asm/signal.h +++ b/arch/tile/include/asm/signal.h @@ -11,19 +11,11 @@ * NON INFRINGEMENT. See the GNU General Public License for * more details. */ - #ifndef _ASM_TILE_SIGNAL_H #define _ASM_TILE_SIGNAL_H -/* Do not notify a ptracer when this signal is handled. */ -#define SA_NOPTRACE 0x02000000u - -/* Used in earlier Tilera releases, so keeping for binary compatibility. */ -#define SA_RESTORER 0x04000000u - -#include <asm-generic/signal.h> +#include <uapi/asm/signal.h> -#if defined(__KERNEL__) #if !defined(__ASSEMBLY__) struct pt_regs; int restore_sigcontext(struct pt_regs *, struct sigcontext __user *); @@ -34,6 +26,4 @@ void signal_fault(const char *type, struct pt_regs *, void trace_unhandled_signal(const char *type, struct pt_regs *regs, unsigned long address, int signo); #endif -#endif - #endif /* _ASM_TILE_SIGNAL_H */ diff --git a/arch/tile/include/asm/unistd.h b/arch/tile/include/asm/unistd.h index 0e1f3e66e492..6e032a0a268e 100644 --- a/arch/tile/include/asm/unistd.h +++ b/arch/tile/include/asm/unistd.h @@ -11,32 +11,9 @@ * NON INFRINGEMENT. See the GNU General Public License for * more details. */ - -#if !defined(__LP64__) || defined(__SYSCALL_COMPAT) -/* Use the flavor of this syscall that matches the 32-bit API better. */ -#define __ARCH_WANT_SYNC_FILE_RANGE2 -#endif - -/* Use the standard ABI for syscalls. */ -#include <asm-generic/unistd.h> - -/* Additional Tilera-specific syscalls. */ -#define __NR_cacheflush (__NR_arch_specific_syscall + 1) -__SYSCALL(__NR_cacheflush, sys_cacheflush) - -#ifndef __tilegx__ -/* "Fast" syscalls provide atomic support for 32-bit chips. */ -#define __NR_FAST_cmpxchg -1 -#define __NR_FAST_atomic_update -2 -#define __NR_FAST_cmpxchg64 -3 -#define __NR_cmpxchg_badaddr (__NR_arch_specific_syscall + 0) -__SYSCALL(__NR_cmpxchg_badaddr, sys_cmpxchg_badaddr) -#endif - -#ifdef __KERNEL__ /* In compat mode, we use sys_llseek() for compat_sys_llseek(). */ #ifdef CONFIG_COMPAT #define __ARCH_WANT_SYS_LLSEEK #endif #define __ARCH_WANT_SYS_NEWFSTATAT -#endif +#include <uapi/asm/unistd.h> diff --git a/arch/tile/include/uapi/arch/Kbuild b/arch/tile/include/uapi/arch/Kbuild index aafaa5aa54d4..4ebc34f4768d 100644 --- a/arch/tile/include/uapi/arch/Kbuild +++ b/arch/tile/include/uapi/arch/Kbuild @@ -1 +1,18 @@ # UAPI Header export list +header-y += abi.h +header-y += chip.h +header-y += chip_tile64.h +header-y += chip_tilegx.h +header-y += chip_tilepro.h +header-y += icache.h +header-y += interrupts.h +header-y += interrupts_32.h +header-y += interrupts_64.h +header-y += opcode.h +header-y += opcode_tilegx.h +header-y += opcode_tilepro.h +header-y += sim.h +header-y += sim_def.h +header-y += spr_def.h +header-y += spr_def_32.h +header-y += spr_def_64.h diff --git a/arch/tile/include/arch/abi.h b/arch/tile/include/uapi/arch/abi.h index c55a3d432644..c55a3d432644 100644 --- a/arch/tile/include/arch/abi.h +++ b/arch/tile/include/uapi/arch/abi.h diff --git a/arch/tile/include/arch/chip.h b/arch/tile/include/uapi/arch/chip.h index 926d3db0e91e..926d3db0e91e 100644 --- a/arch/tile/include/arch/chip.h +++ b/arch/tile/include/uapi/arch/chip.h diff --git a/arch/tile/include/arch/chip_tile64.h b/arch/tile/include/uapi/arch/chip_tile64.h index 261aaba092d4..261aaba092d4 100644 --- a/arch/tile/include/arch/chip_tile64.h +++ b/arch/tile/include/uapi/arch/chip_tile64.h diff --git a/arch/tile/include/arch/chip_tilegx.h b/arch/tile/include/uapi/arch/chip_tilegx.h index ea8e4f2c9483..ea8e4f2c9483 100644 --- a/arch/tile/include/arch/chip_tilegx.h +++ b/arch/tile/include/uapi/arch/chip_tilegx.h diff --git a/arch/tile/include/arch/chip_tilepro.h b/arch/tile/include/uapi/arch/chip_tilepro.h index 70017699a74c..70017699a74c 100644 --- a/arch/tile/include/arch/chip_tilepro.h +++ b/arch/tile/include/uapi/arch/chip_tilepro.h diff --git a/arch/tile/include/arch/icache.h b/arch/tile/include/uapi/arch/icache.h index 762eafa8a11e..762eafa8a11e 100644 --- a/arch/tile/include/arch/icache.h +++ b/arch/tile/include/uapi/arch/icache.h diff --git a/arch/tile/include/arch/interrupts.h b/arch/tile/include/uapi/arch/interrupts.h index 20f8f07d2de9..20f8f07d2de9 100644 --- a/arch/tile/include/arch/interrupts.h +++ b/arch/tile/include/uapi/arch/interrupts.h diff --git a/arch/tile/include/arch/interrupts_32.h b/arch/tile/include/uapi/arch/interrupts_32.h index 96b5710505b6..96b5710505b6 100644 --- a/arch/tile/include/arch/interrupts_32.h +++ b/arch/tile/include/uapi/arch/interrupts_32.h diff --git a/arch/tile/include/arch/interrupts_64.h b/arch/tile/include/uapi/arch/interrupts_64.h index 5bb58b2e4e6f..5bb58b2e4e6f 100644 --- a/arch/tile/include/arch/interrupts_64.h +++ b/arch/tile/include/uapi/arch/interrupts_64.h diff --git a/arch/tile/include/arch/opcode.h b/arch/tile/include/uapi/arch/opcode.h index 92d15229ecec..92d15229ecec 100644 --- a/arch/tile/include/arch/opcode.h +++ b/arch/tile/include/uapi/arch/opcode.h diff --git a/arch/tile/include/arch/opcode_tilegx.h b/arch/tile/include/uapi/arch/opcode_tilegx.h index c14d02c81600..c14d02c81600 100644 --- a/arch/tile/include/arch/opcode_tilegx.h +++ b/arch/tile/include/uapi/arch/opcode_tilegx.h diff --git a/arch/tile/include/arch/opcode_tilepro.h b/arch/tile/include/uapi/arch/opcode_tilepro.h index 71b763b8ce83..71b763b8ce83 100644 --- a/arch/tile/include/arch/opcode_tilepro.h +++ b/arch/tile/include/uapi/arch/opcode_tilepro.h diff --git a/arch/tile/include/arch/sim.h b/arch/tile/include/uapi/arch/sim.h index e54b7b0527f3..e54b7b0527f3 100644 --- a/arch/tile/include/arch/sim.h +++ b/arch/tile/include/uapi/arch/sim.h diff --git a/arch/tile/include/arch/sim_def.h b/arch/tile/include/uapi/arch/sim_def.h index 4b44a2b6a09a..4b44a2b6a09a 100644 --- a/arch/tile/include/arch/sim_def.h +++ b/arch/tile/include/uapi/arch/sim_def.h diff --git a/arch/tile/include/uapi/arch/spr_def.h b/arch/tile/include/uapi/arch/spr_def.h new file mode 100644 index 000000000000..c250c5adb1a6 --- /dev/null +++ b/arch/tile/include/uapi/arch/spr_def.h @@ -0,0 +1,26 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _UAPI__ARCH_SPR_DEF_H__ +#define _UAPI__ARCH_SPR_DEF_H__ + +/* Include the proper base SPR definition file. */ +#ifdef __tilegx__ +#include <arch/spr_def_64.h> +#else +#include <arch/spr_def_32.h> +#endif + + +#endif /* _UAPI__ARCH_SPR_DEF_H__ */ diff --git a/arch/tile/include/arch/spr_def_32.h b/arch/tile/include/uapi/arch/spr_def_32.h index 78bbce2fb19a..c689446e6284 100644 --- a/arch/tile/include/arch/spr_def_32.h +++ b/arch/tile/include/uapi/arch/spr_def_32.h @@ -14,8 +14,8 @@ #ifndef __DOXYGEN__ -#ifndef __ARCH_SPR_DEF_H__ -#define __ARCH_SPR_DEF_H__ +#ifndef __ARCH_SPR_DEF_32_H__ +#define __ARCH_SPR_DEF_32_H__ #define SPR_AUX_PERF_COUNT_0 0x6005 #define SPR_AUX_PERF_COUNT_1 0x6006 @@ -252,6 +252,6 @@ #define SPR_WATCH_MASK 0x420a #define SPR_WATCH_VAL 0x420b -#endif /* !defined(__ARCH_SPR_DEF_H__) */ +#endif /* !defined(__ARCH_SPR_DEF_32_H__) */ #endif /* !defined(__DOXYGEN__) */ diff --git a/arch/tile/include/arch/spr_def_64.h b/arch/tile/include/uapi/arch/spr_def_64.h index 0da86faa3370..67a6c1751e3b 100644 --- a/arch/tile/include/arch/spr_def_64.h +++ b/arch/tile/include/uapi/arch/spr_def_64.h @@ -14,8 +14,8 @@ #ifndef __DOXYGEN__ -#ifndef __ARCH_SPR_DEF_H__ -#define __ARCH_SPR_DEF_H__ +#ifndef __ARCH_SPR_DEF_64_H__ +#define __ARCH_SPR_DEF_64_H__ #define SPR_AUX_PERF_COUNT_0 0x2105 #define SPR_AUX_PERF_COUNT_1 0x2106 @@ -211,6 +211,6 @@ #define SPR_WATCH_MASK 0x200a #define SPR_WATCH_VAL 0x200b -#endif /* !defined(__ARCH_SPR_DEF_H__) */ +#endif /* !defined(__ARCH_SPR_DEF_64_H__) */ #endif /* !defined(__DOXYGEN__) */ diff --git a/arch/tile/include/uapi/asm/Kbuild b/arch/tile/include/uapi/asm/Kbuild index baebb3da1d44..5c6915fd30b5 100644 --- a/arch/tile/include/uapi/asm/Kbuild +++ b/arch/tile/include/uapi/asm/Kbuild @@ -1,3 +1,18 @@ # UAPI Header export list include include/uapi/asm-generic/Kbuild.asm +header-y += auxvec.h +header-y += bitsperlong.h +header-y += byteorder.h +header-y += cachectl.h +header-y += hardwall.h +header-y += kvm_para.h +header-y += mman.h +header-y += ptrace.h +header-y += setup.h +header-y += sigcontext.h +header-y += siginfo.h +header-y += signal.h +header-y += stat.h +header-y += swab.h +header-y += unistd.h diff --git a/arch/tile/include/asm/auxvec.h b/arch/tile/include/uapi/asm/auxvec.h index 1d393edb0641..1d393edb0641 100644 --- a/arch/tile/include/asm/auxvec.h +++ b/arch/tile/include/uapi/asm/auxvec.h diff --git a/arch/tile/include/asm/bitsperlong.h b/arch/tile/include/uapi/asm/bitsperlong.h index 58c771f2af2f..58c771f2af2f 100644 --- a/arch/tile/include/asm/bitsperlong.h +++ b/arch/tile/include/uapi/asm/bitsperlong.h diff --git a/arch/tile/include/asm/byteorder.h b/arch/tile/include/uapi/asm/byteorder.h index fb72ecf49218..fb72ecf49218 100644 --- a/arch/tile/include/asm/byteorder.h +++ b/arch/tile/include/uapi/asm/byteorder.h diff --git a/arch/tile/include/asm/cachectl.h b/arch/tile/include/uapi/asm/cachectl.h index af4c9f9154d1..af4c9f9154d1 100644 --- a/arch/tile/include/asm/cachectl.h +++ b/arch/tile/include/uapi/asm/cachectl.h diff --git a/arch/tile/include/uapi/asm/hardwall.h b/arch/tile/include/uapi/asm/hardwall.h new file mode 100644 index 000000000000..c2169d4f4010 --- /dev/null +++ b/arch/tile/include/uapi/asm/hardwall.h @@ -0,0 +1,51 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + * + * Provide methods for access control of per-cpu resources like + * UDN, IDN, or IPI. + */ + +#ifndef _UAPI_ASM_TILE_HARDWALL_H +#define _UAPI_ASM_TILE_HARDWALL_H + +#include <arch/chip.h> +#include <linux/ioctl.h> + +#define HARDWALL_IOCTL_BASE 0xa2 + +/* + * The HARDWALL_CREATE() ioctl is a macro with a "size" argument. + * The resulting ioctl value is passed to the kernel in conjunction + * with a pointer to a standard kernel bitmask of cpus. + * For network resources (UDN or IDN) the bitmask must physically + * represent a rectangular configuration on the chip. + * The "size" is the number of bytes of cpu mask data. + */ +#define _HARDWALL_CREATE 1 +#define HARDWALL_CREATE(size) \ + _IOC(_IOC_READ, HARDWALL_IOCTL_BASE, _HARDWALL_CREATE, (size)) + +#define _HARDWALL_ACTIVATE 2 +#define HARDWALL_ACTIVATE \ + _IO(HARDWALL_IOCTL_BASE, _HARDWALL_ACTIVATE) + +#define _HARDWALL_DEACTIVATE 3 +#define HARDWALL_DEACTIVATE \ + _IO(HARDWALL_IOCTL_BASE, _HARDWALL_DEACTIVATE) + +#define _HARDWALL_GET_ID 4 +#define HARDWALL_GET_ID \ + _IO(HARDWALL_IOCTL_BASE, _HARDWALL_GET_ID) + + +#endif /* _UAPI_ASM_TILE_HARDWALL_H */ diff --git a/arch/tile/include/asm/kvm_para.h b/arch/tile/include/uapi/asm/kvm_para.h index 14fab8f0b957..14fab8f0b957 100644 --- a/arch/tile/include/asm/kvm_para.h +++ b/arch/tile/include/uapi/asm/kvm_para.h diff --git a/arch/tile/include/asm/mman.h b/arch/tile/include/uapi/asm/mman.h index 81b8fc348d63..81b8fc348d63 100644 --- a/arch/tile/include/asm/mman.h +++ b/arch/tile/include/uapi/asm/mman.h diff --git a/arch/tile/include/uapi/asm/ptrace.h b/arch/tile/include/uapi/asm/ptrace.h new file mode 100644 index 000000000000..c717d0fec72e --- /dev/null +++ b/arch/tile/include/uapi/asm/ptrace.h @@ -0,0 +1,88 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _UAPI_ASM_TILE_PTRACE_H +#define _UAPI_ASM_TILE_PTRACE_H + +#include <arch/chip.h> +#include <arch/abi.h> + +/* These must match struct pt_regs, below. */ +#if CHIP_WORD_SIZE() == 32 +#define PTREGS_OFFSET_REG(n) ((n)*4) +#else +#define PTREGS_OFFSET_REG(n) ((n)*8) +#endif +#define PTREGS_OFFSET_BASE 0 +#define PTREGS_OFFSET_TP PTREGS_OFFSET_REG(53) +#define PTREGS_OFFSET_SP PTREGS_OFFSET_REG(54) +#define PTREGS_OFFSET_LR PTREGS_OFFSET_REG(55) +#define PTREGS_NR_GPRS 56 +#define PTREGS_OFFSET_PC PTREGS_OFFSET_REG(56) +#define PTREGS_OFFSET_EX1 PTREGS_OFFSET_REG(57) +#define PTREGS_OFFSET_FAULTNUM PTREGS_OFFSET_REG(58) +#define PTREGS_OFFSET_ORIG_R0 PTREGS_OFFSET_REG(59) +#define PTREGS_OFFSET_FLAGS PTREGS_OFFSET_REG(60) +#if CHIP_HAS_CMPEXCH() +#define PTREGS_OFFSET_CMPEXCH PTREGS_OFFSET_REG(61) +#endif +#define PTREGS_SIZE PTREGS_OFFSET_REG(64) + + +#ifndef __ASSEMBLY__ + +#ifndef __KERNEL__ +/* Provide appropriate length type to userspace regardless of -m32/-m64. */ +typedef uint_reg_t pt_reg_t; +#endif + +/* + * This struct defines the way the registers are stored on the stack during a + * system call or exception. "struct sigcontext" has the same shape. + */ +struct pt_regs { + /* Saved main processor registers; 56..63 are special. */ + /* tp, sp, and lr must immediately follow regs[] for aliasing. */ + pt_reg_t regs[53]; + pt_reg_t tp; /* aliases regs[TREG_TP] */ + pt_reg_t sp; /* aliases regs[TREG_SP] */ + pt_reg_t lr; /* aliases regs[TREG_LR] */ + + /* Saved special registers. */ + pt_reg_t pc; /* stored in EX_CONTEXT_K_0 */ + pt_reg_t ex1; /* stored in EX_CONTEXT_K_1 (PL and ICS bit) */ + pt_reg_t faultnum; /* fault number (INT_SWINT_1 for syscall) */ + pt_reg_t orig_r0; /* r0 at syscall entry, else zero */ + pt_reg_t flags; /* flags (see below) */ +#if !CHIP_HAS_CMPEXCH() + pt_reg_t pad[3]; +#else + pt_reg_t cmpexch; /* value of CMPEXCH_VALUE SPR at interrupt */ + pt_reg_t pad[2]; +#endif +}; + +#endif /* __ASSEMBLY__ */ + +#define PTRACE_GETREGS 12 +#define PTRACE_SETREGS 13 +#define PTRACE_GETFPREGS 14 +#define PTRACE_SETFPREGS 15 + +/* Support TILE-specific ptrace options, with events starting at 16. */ +#define PTRACE_O_TRACEMIGRATE 0x00010000 +#define PTRACE_EVENT_MIGRATE 16 + + +#endif /* _UAPI_ASM_TILE_PTRACE_H */ diff --git a/arch/tile/include/uapi/asm/setup.h b/arch/tile/include/uapi/asm/setup.h new file mode 100644 index 000000000000..e6f7da265ac3 --- /dev/null +++ b/arch/tile/include/uapi/asm/setup.h @@ -0,0 +1,21 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _UAPI_ASM_TILE_SETUP_H +#define _UAPI_ASM_TILE_SETUP_H + +#define COMMAND_LINE_SIZE 2048 + + +#endif /* _UAPI_ASM_TILE_SETUP_H */ diff --git a/arch/tile/include/asm/sigcontext.h b/arch/tile/include/uapi/asm/sigcontext.h index 6348e59d3724..6348e59d3724 100644 --- a/arch/tile/include/asm/sigcontext.h +++ b/arch/tile/include/uapi/asm/sigcontext.h diff --git a/arch/tile/include/asm/siginfo.h b/arch/tile/include/uapi/asm/siginfo.h index 56d661bb010b..56d661bb010b 100644 --- a/arch/tile/include/asm/siginfo.h +++ b/arch/tile/include/uapi/asm/siginfo.h diff --git a/arch/tile/include/uapi/asm/signal.h b/arch/tile/include/uapi/asm/signal.h new file mode 100644 index 000000000000..ef0d32d84a4c --- /dev/null +++ b/arch/tile/include/uapi/asm/signal.h @@ -0,0 +1,27 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _UAPI_ASM_TILE_SIGNAL_H +#define _UAPI_ASM_TILE_SIGNAL_H + +/* Do not notify a ptracer when this signal is handled. */ +#define SA_NOPTRACE 0x02000000u + +/* Used in earlier Tilera releases, so keeping for binary compatibility. */ +#define SA_RESTORER 0x04000000u + +#include <asm-generic/signal.h> + + +#endif /* _UAPI_ASM_TILE_SIGNAL_H */ diff --git a/arch/tile/include/asm/stat.h b/arch/tile/include/uapi/asm/stat.h index c0db34d56be3..c0db34d56be3 100644 --- a/arch/tile/include/asm/stat.h +++ b/arch/tile/include/uapi/asm/stat.h diff --git a/arch/tile/include/asm/swab.h b/arch/tile/include/uapi/asm/swab.h index 7c37b38f6c8d..7c37b38f6c8d 100644 --- a/arch/tile/include/asm/swab.h +++ b/arch/tile/include/uapi/asm/swab.h diff --git a/arch/tile/include/uapi/asm/unistd.h b/arch/tile/include/uapi/asm/unistd.h new file mode 100644 index 000000000000..cd7b6dd9d471 --- /dev/null +++ b/arch/tile/include/uapi/asm/unistd.h @@ -0,0 +1,34 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#if !defined(__LP64__) || defined(__SYSCALL_COMPAT) +/* Use the flavor of this syscall that matches the 32-bit API better. */ +#define __ARCH_WANT_SYNC_FILE_RANGE2 +#endif + +/* Use the standard ABI for syscalls. */ +#include <asm-generic/unistd.h> + +/* Additional Tilera-specific syscalls. */ +#define __NR_cacheflush (__NR_arch_specific_syscall + 1) +__SYSCALL(__NR_cacheflush, sys_cacheflush) + +#ifndef __tilegx__ +/* "Fast" syscalls provide atomic support for 32-bit chips. */ +#define __NR_FAST_cmpxchg -1 +#define __NR_FAST_atomic_update -2 +#define __NR_FAST_cmpxchg64 -3 +#define __NR_cmpxchg_badaddr (__NR_arch_specific_syscall + 0) +__SYSCALL(__NR_cmpxchg_badaddr, sys_cmpxchg_badaddr) +#endif diff --git a/arch/tile/kernel/compat_signal.c b/arch/tile/kernel/compat_signal.c index 7bc0859a9f5e..08b4fe1717bb 100644 --- a/arch/tile/kernel/compat_signal.c +++ b/arch/tile/kernel/compat_signal.c @@ -354,15 +354,6 @@ int compat_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, regs->regs[1] = ptr_to_compat_reg(&frame->info); regs->regs[2] = ptr_to_compat_reg(&frame->uc); regs->flags |= PT_FLAGS_CALLER_SAVES; - - /* - * Notify any tracer that was single-stepping it. - * The tracer may want to single-step inside the - * handler too. - */ - if (test_thread_flag(TIF_SINGLESTEP)) - ptrace_notify(SIGTRAP); - return 0; give_sigsegv: diff --git a/arch/tile/kernel/process.c b/arch/tile/kernel/process.c index 6be799150501..307d010696c9 100644 --- a/arch/tile/kernel/process.c +++ b/arch/tile/kernel/process.c @@ -548,6 +548,9 @@ int do_work_pending(struct pt_regs *regs, u32 thread_info_flags) if (!user_mode(regs)) return 0; + /* Enable interrupts; they are disabled again on return to caller. */ + local_irq_enable(); + if (thread_info_flags & _TIF_NEED_RESCHED) { schedule(); return 1; @@ -594,13 +597,13 @@ SYSCALL_DEFINE4(execve, const char __user *, path, struct pt_regs *, regs) { long error; - char *filename; + struct filename *filename; filename = getname(path); error = PTR_ERR(filename); if (IS_ERR(filename)) goto out; - error = do_execve(filename, argv, envp, regs); + error = do_execve(filename->name, argv, envp, regs); putname(filename); if (error == 0) single_step_execve(); @@ -615,13 +618,13 @@ long compat_sys_execve(const char __user *path, struct pt_regs *regs) { long error; - char *filename; + struct filename *filename; filename = getname(path); error = PTR_ERR(filename); if (IS_ERR(filename)) goto out; - error = compat_do_execve(filename, argv, envp, regs); + error = compat_do_execve(filename->name, argv, envp, regs); putname(filename); if (error == 0) single_step_execve(); diff --git a/arch/tile/kernel/signal.c b/arch/tile/kernel/signal.c index e29b0553211d..67efb656d104 100644 --- a/arch/tile/kernel/signal.c +++ b/arch/tile/kernel/signal.c @@ -219,15 +219,6 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, regs->regs[1] = (unsigned long) &frame->info; regs->regs[2] = (unsigned long) &frame->uc; regs->flags |= PT_FLAGS_CALLER_SAVES; - - /* - * Notify any tracer that was single-stepping it. - * The tracer may want to single-step inside the - * handler too. - */ - if (test_thread_flag(TIF_SINGLESTEP)) - ptrace_notify(SIGTRAP); - return 0; give_sigsegv: @@ -278,7 +269,8 @@ static void handle_signal(unsigned long sig, siginfo_t *info, ret = setup_rt_frame(sig, ka, info, oldset, regs); if (ret) return; - signal_delivered(sig, info, ka, regs, 0); + signal_delivered(sig, info, ka, regs, + test_thread_flag(TIF_SINGLESTEP)); } /* diff --git a/arch/um/include/asm/processor-generic.h b/arch/um/include/asm/processor-generic.h index 1e82e954e978..c03cd5a02364 100644 --- a/arch/um/include/asm/processor-generic.h +++ b/arch/um/include/asm/processor-generic.h @@ -26,7 +26,6 @@ struct thread_struct { jmp_buf *fault_catcher; struct task_struct *prev_sched; unsigned long temp_stack; - jmp_buf *exec_buf; struct arch_thread arch; jmp_buf switch_buf; int mm_count; @@ -54,7 +53,6 @@ struct thread_struct { .fault_addr = NULL, \ .prev_sched = NULL, \ .temp_stack = 0, \ - .exec_buf = NULL, \ .arch = INIT_ARCH_THREAD, \ .request = { 0 } \ } diff --git a/arch/um/include/asm/thread_info.h b/arch/um/include/asm/thread_info.h index c04e5ab68f56..2c8eeb2df8b4 100644 --- a/arch/um/include/asm/thread_info.h +++ b/arch/um/include/asm/thread_info.h @@ -65,8 +65,6 @@ static inline struct thread_info *current_thread_info(void) #define TIF_SYSCALL_TRACE 0 /* syscall trace active */ #define TIF_SIGPENDING 1 /* signal pending */ #define TIF_NEED_RESCHED 2 /* rescheduling necessary */ -#define TIF_POLLING_NRFLAG 3 /* true if poll_idle() is polling - * TIF_NEED_RESCHED */ #define TIF_RESTART_BLOCK 4 #define TIF_MEMDIE 5 /* is terminating due to OOM killer */ #define TIF_SYSCALL_AUDIT 6 @@ -76,7 +74,6 @@ static inline struct thread_info *current_thread_info(void) #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) #define _TIF_SIGPENDING (1 << TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) -#define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG) #define _TIF_MEMDIE (1 << TIF_MEMDIE) #define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT) diff --git a/arch/um/include/shared/os.h b/arch/um/include/shared/os.h index 44883049c11d..95feaa47a2fb 100644 --- a/arch/um/include/shared/os.h +++ b/arch/um/include/shared/os.h @@ -191,7 +191,6 @@ extern int os_getpid(void); extern int os_getpgrp(void); extern void init_new_thread_signals(void); -extern int run_kernel_thread(int (*fn)(void *), void *arg, jmp_buf **jmp_ptr); extern int os_map_memory(void *virt, int fd, unsigned long long off, unsigned long len, int r, int w, int x); diff --git a/arch/um/kernel/exec.c b/arch/um/kernel/exec.c index ab019c7f0b57..3a8ece7d09ca 100644 --- a/arch/um/kernel/exec.c +++ b/arch/um/kernel/exec.c @@ -47,8 +47,3 @@ void start_thread(struct pt_regs *regs, unsigned long eip, unsigned long esp) #endif } EXPORT_SYMBOL(start_thread); - -void __noreturn ret_from_kernel_execve(struct pt_regs *unused) -{ - UML_LONGJMP(current->thread.exec_buf, 1); -} diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c index 30629783b3e0..b6d699cdd557 100644 --- a/arch/um/kernel/process.c +++ b/arch/um/kernel/process.c @@ -135,14 +135,10 @@ void new_thread_handler(void) arg = current->thread.request.u.thread.arg; /* - * The return value is 1 if the kernel thread execs a process, - * 0 if it just exits + * callback returns only if the kernel thread execs a process */ - n = run_kernel_thread(fn, arg, ¤t->thread.exec_buf); - if (n == 1) - userspace(¤t->thread.regs.regs); - else - do_exit(0); + n = fn(arg); + userspace(¤t->thread.regs.regs); } /* Called magically, see new_thread_handler above */ diff --git a/arch/um/os-Linux/process.c b/arch/um/os-Linux/process.c index 162bea3d91b2..b8f34c9e53ae 100644 --- a/arch/um/os-Linux/process.c +++ b/arch/um/os-Linux/process.c @@ -244,16 +244,3 @@ void init_new_thread_signals(void) signal(SIGWINCH, SIG_IGN); signal(SIGTERM, SIG_DFL); } - -int run_kernel_thread(int (*fn)(void *), void *arg, jmp_buf **jmp_ptr) -{ - jmp_buf buf; - int n; - - *jmp_ptr = &buf; - n = UML_SETJMP(&buf); - if (n != 0) - return n; - (*fn)(arg); - return 0; -} diff --git a/arch/unicore32/include/asm/thread_info.h b/arch/unicore32/include/asm/thread_info.h index 89f7557583b8..818b4a1edb5b 100644 --- a/arch/unicore32/include/asm/thread_info.h +++ b/arch/unicore32/include/asm/thread_info.h @@ -141,12 +141,12 @@ static inline struct thread_info *current_thread_info(void) #define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) #define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME) #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) -#define _TIF_RESTORE_SIGMASK (1 << TIF_RESTORE_SIGMASK) /* * Change these and you break ASM code in entry-common.S */ -#define _TIF_WORK_MASK 0x000000ff +#define _TIF_WORK_MASK \ + (_TIF_SIGPENDING | _TIF_NEED_RESCHED | _TIF_NOTIFY_RESUME) #endif /* __KERNEL__ */ #endif /* __UNICORE_THREAD_INFO_H__ */ diff --git a/arch/unicore32/kernel/entry.S b/arch/unicore32/kernel/entry.S index 00a259f9819e..dcb87ab19ddd 100644 --- a/arch/unicore32/kernel/entry.S +++ b/arch/unicore32/kernel/entry.S @@ -544,8 +544,6 @@ fast_work_pending: work_pending: cand.a r1, #_TIF_NEED_RESCHED bne work_resched - cand.a r1, #_TIF_SIGPENDING|_TIF_NOTIFY_RESUME - beq no_work_pending mov r0, sp @ 'regs' mov r2, why @ 'syscall' cand.a r1, #_TIF_SIGPENDING @ delivering a signal? diff --git a/arch/unicore32/kernel/signal.c b/arch/unicore32/kernel/signal.c index 8adedb37720a..b8b2ffd774d6 100644 --- a/arch/unicore32/kernel/signal.c +++ b/arch/unicore32/kernel/signal.c @@ -12,7 +12,6 @@ #include <linux/errno.h> #include <linux/signal.h> #include <linux/personality.h> -#include <linux/freezer.h> #include <linux/uaccess.h> #include <linux/tracehook.h> #include <linux/elf.h> diff --git a/arch/unicore32/kernel/sys.c b/arch/unicore32/kernel/sys.c index 5fd9af773e15..fabdee96110b 100644 --- a/arch/unicore32/kernel/sys.c +++ b/arch/unicore32/kernel/sys.c @@ -51,13 +51,13 @@ asmlinkage long __sys_execve(const char __user *filename, struct pt_regs *regs) { int error; - char *fn; + struct filename *fn; fn = getname(filename); error = PTR_ERR(fn); if (IS_ERR(fn)) goto out; - error = do_execve(fn, argv, envp, regs); + error = do_execve(fn->name, argv, envp, regs); putname(fn); out: return error; diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 42d2c35a5bbd..70071b19eb98 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -109,6 +109,7 @@ config X86 select HAVE_RCU_USER_QS if X86_64 select HAVE_IRQ_TIME_ACCOUNTING select GENERIC_KERNEL_THREAD + select GENERIC_KERNEL_EXECVE config INSTRUCTION_DECODER def_bool y diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h index fbee9714d9ab..7f0edceb7563 100644 --- a/arch/x86/include/asm/msr-index.h +++ b/arch/x86/include/asm/msr-index.h @@ -121,6 +121,11 @@ #define MSR_P6_EVNTSEL0 0x00000186 #define MSR_P6_EVNTSEL1 0x00000187 +#define MSR_KNC_PERFCTR0 0x00000020 +#define MSR_KNC_PERFCTR1 0x00000021 +#define MSR_KNC_EVNTSEL0 0x00000028 +#define MSR_KNC_EVNTSEL1 0x00000029 + /* AMD64 MSRs. Not complete. See the architecture manual for a more complete list. */ diff --git a/arch/x86/include/asm/unistd.h b/arch/x86/include/asm/unistd.h index 55d155560fdf..16f3fc6ebf2e 100644 --- a/arch/x86/include/asm/unistd.h +++ b/arch/x86/include/asm/unistd.h @@ -51,7 +51,6 @@ # define __ARCH_WANT_SYS_UTIME # define __ARCH_WANT_SYS_WAITPID # define __ARCH_WANT_SYS_EXECVE -# define __ARCH_WANT_KERNEL_EXECVE /* * "Conditional" syscalls diff --git a/arch/x86/include/asm/vgtod.h b/arch/x86/include/asm/vgtod.h index 8b38be2de9e1..46e24d36b7da 100644 --- a/arch/x86/include/asm/vgtod.h +++ b/arch/x86/include/asm/vgtod.h @@ -17,8 +17,8 @@ struct vsyscall_gtod_data { /* open coded 'struct timespec' */ time_t wall_time_sec; - u32 wall_time_nsec; - u32 monotonic_time_nsec; + u64 wall_time_snsec; + u64 monotonic_time_snsec; time_t monotonic_time_sec; struct timezone sys_tz; diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile index d30a6a9a0121..a0e067d3d96c 100644 --- a/arch/x86/kernel/cpu/Makefile +++ b/arch/x86/kernel/cpu/Makefile @@ -32,7 +32,7 @@ obj-$(CONFIG_PERF_EVENTS) += perf_event.o ifdef CONFIG_PERF_EVENTS obj-$(CONFIG_CPU_SUP_AMD) += perf_event_amd.o -obj-$(CONFIG_CPU_SUP_INTEL) += perf_event_p6.o perf_event_p4.o +obj-$(CONFIG_CPU_SUP_INTEL) += perf_event_p6.o perf_event_knc.o perf_event_p4.o obj-$(CONFIG_CPU_SUP_INTEL) += perf_event_intel_lbr.o perf_event_intel_ds.o perf_event_intel.o obj-$(CONFIG_CPU_SUP_INTEL) += perf_event_intel_uncore.o endif diff --git a/arch/x86/kernel/cpu/perf_event.h b/arch/x86/kernel/cpu/perf_event.h index 8b6defe7eefc..271d25700297 100644 --- a/arch/x86/kernel/cpu/perf_event.h +++ b/arch/x86/kernel/cpu/perf_event.h @@ -626,6 +626,8 @@ int p4_pmu_init(void); int p6_pmu_init(void); +int knc_pmu_init(void); + #else /* CONFIG_CPU_SUP_INTEL */ static inline void reserve_ds_buffers(void) diff --git a/arch/x86/kernel/cpu/perf_event_amd_ibs.c b/arch/x86/kernel/cpu/perf_event_amd_ibs.c index eebd5ffe1bba..6336bcbd0618 100644 --- a/arch/x86/kernel/cpu/perf_event_amd_ibs.c +++ b/arch/x86/kernel/cpu/perf_event_amd_ibs.c @@ -41,17 +41,22 @@ struct cpu_perf_ibs { }; struct perf_ibs { - struct pmu pmu; - unsigned int msr; - u64 config_mask; - u64 cnt_mask; - u64 enable_mask; - u64 valid_mask; - u64 max_period; - unsigned long offset_mask[1]; - int offset_max; - struct cpu_perf_ibs __percpu *pcpu; - u64 (*get_count)(u64 config); + struct pmu pmu; + unsigned int msr; + u64 config_mask; + u64 cnt_mask; + u64 enable_mask; + u64 valid_mask; + u64 max_period; + unsigned long offset_mask[1]; + int offset_max; + struct cpu_perf_ibs __percpu *pcpu; + + struct attribute **format_attrs; + struct attribute_group format_group; + const struct attribute_group *attr_groups[2]; + + u64 (*get_count)(u64 config); }; struct perf_ibs_data { @@ -446,6 +451,19 @@ static void perf_ibs_del(struct perf_event *event, int flags) static void perf_ibs_read(struct perf_event *event) { } +PMU_FORMAT_ATTR(rand_en, "config:57"); +PMU_FORMAT_ATTR(cnt_ctl, "config:19"); + +static struct attribute *ibs_fetch_format_attrs[] = { + &format_attr_rand_en.attr, + NULL, +}; + +static struct attribute *ibs_op_format_attrs[] = { + NULL, /* &format_attr_cnt_ctl.attr if IBS_CAPS_OPCNT */ + NULL, +}; + static struct perf_ibs perf_ibs_fetch = { .pmu = { .task_ctx_nr = perf_invalid_context, @@ -465,6 +483,7 @@ static struct perf_ibs perf_ibs_fetch = { .max_period = IBS_FETCH_MAX_CNT << 4, .offset_mask = { MSR_AMD64_IBSFETCH_REG_MASK }, .offset_max = MSR_AMD64_IBSFETCH_REG_COUNT, + .format_attrs = ibs_fetch_format_attrs, .get_count = get_ibs_fetch_count, }; @@ -488,6 +507,7 @@ static struct perf_ibs perf_ibs_op = { .max_period = IBS_OP_MAX_CNT << 4, .offset_mask = { MSR_AMD64_IBSOP_REG_MASK }, .offset_max = MSR_AMD64_IBSOP_REG_COUNT, + .format_attrs = ibs_op_format_attrs, .get_count = get_ibs_op_count, }; @@ -597,6 +617,17 @@ static __init int perf_ibs_pmu_init(struct perf_ibs *perf_ibs, char *name) perf_ibs->pcpu = pcpu; + /* register attributes */ + if (perf_ibs->format_attrs[0]) { + memset(&perf_ibs->format_group, 0, sizeof(perf_ibs->format_group)); + perf_ibs->format_group.name = "format"; + perf_ibs->format_group.attrs = perf_ibs->format_attrs; + + memset(&perf_ibs->attr_groups, 0, sizeof(perf_ibs->attr_groups)); + perf_ibs->attr_groups[0] = &perf_ibs->format_group; + perf_ibs->pmu.attr_groups = perf_ibs->attr_groups; + } + ret = perf_pmu_register(&perf_ibs->pmu, name, -1); if (ret) { perf_ibs->pcpu = NULL; @@ -608,13 +639,19 @@ static __init int perf_ibs_pmu_init(struct perf_ibs *perf_ibs, char *name) static __init int perf_event_ibs_init(void) { + struct attribute **attr = ibs_op_format_attrs; + if (!ibs_caps) return -ENODEV; /* ibs not supported by the cpu */ perf_ibs_pmu_init(&perf_ibs_fetch, "ibs_fetch"); - if (ibs_caps & IBS_CAPS_OPCNT) + + if (ibs_caps & IBS_CAPS_OPCNT) { perf_ibs_op.config_mask |= IBS_OP_CNT_CTL; + *attr++ = &format_attr_cnt_ctl.attr; + } perf_ibs_pmu_init(&perf_ibs_op, "ibs_op"); + register_nmi_handler(NMI_LOCAL, perf_ibs_nmi_handler, 0, "perf_ibs"); printk(KERN_INFO "perf: AMD IBS detected (0x%08x)\n", ibs_caps); diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c index 6bca492b8547..324bb523d9d9 100644 --- a/arch/x86/kernel/cpu/perf_event_intel.c +++ b/arch/x86/kernel/cpu/perf_event_intel.c @@ -1906,6 +1906,8 @@ __init int intel_pmu_init(void) switch (boot_cpu_data.x86) { case 0x6: return p6_pmu_init(); + case 0xb: + return knc_pmu_init(); case 0xf: return p4_pmu_init(); } diff --git a/arch/x86/kernel/cpu/perf_event_knc.c b/arch/x86/kernel/cpu/perf_event_knc.c new file mode 100644 index 000000000000..7c46bfdbc373 --- /dev/null +++ b/arch/x86/kernel/cpu/perf_event_knc.c @@ -0,0 +1,248 @@ +/* Driver for Intel Xeon Phi "Knights Corner" PMU */ + +#include <linux/perf_event.h> +#include <linux/types.h> + +#include "perf_event.h" + +static const u64 knc_perfmon_event_map[] = +{ + [PERF_COUNT_HW_CPU_CYCLES] = 0x002a, + [PERF_COUNT_HW_INSTRUCTIONS] = 0x0016, + [PERF_COUNT_HW_CACHE_REFERENCES] = 0x0028, + [PERF_COUNT_HW_CACHE_MISSES] = 0x0029, + [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = 0x0012, + [PERF_COUNT_HW_BRANCH_MISSES] = 0x002b, +}; + +static __initconst u64 knc_hw_cache_event_ids + [PERF_COUNT_HW_CACHE_MAX] + [PERF_COUNT_HW_CACHE_OP_MAX] + [PERF_COUNT_HW_CACHE_RESULT_MAX] = +{ + [ C(L1D) ] = { + [ C(OP_READ) ] = { + /* On Xeon Phi event "0" is a valid DATA_READ */ + /* (L1 Data Cache Reads) Instruction. */ + /* We code this as ARCH_PERFMON_EVENTSEL_INT as this */ + /* bit will always be set in x86_pmu_hw_config(). */ + [ C(RESULT_ACCESS) ] = ARCH_PERFMON_EVENTSEL_INT, + /* DATA_READ */ + [ C(RESULT_MISS) ] = 0x0003, /* DATA_READ_MISS */ + }, + [ C(OP_WRITE) ] = { + [ C(RESULT_ACCESS) ] = 0x0001, /* DATA_WRITE */ + [ C(RESULT_MISS) ] = 0x0004, /* DATA_WRITE_MISS */ + }, + [ C(OP_PREFETCH) ] = { + [ C(RESULT_ACCESS) ] = 0x0011, /* L1_DATA_PF1 */ + [ C(RESULT_MISS) ] = 0x001c, /* L1_DATA_PF1_MISS */ + }, + }, + [ C(L1I ) ] = { + [ C(OP_READ) ] = { + [ C(RESULT_ACCESS) ] = 0x000c, /* CODE_READ */ + [ C(RESULT_MISS) ] = 0x000e, /* CODE_CACHE_MISS */ + }, + [ C(OP_WRITE) ] = { + [ C(RESULT_ACCESS) ] = -1, + [ C(RESULT_MISS) ] = -1, + }, + [ C(OP_PREFETCH) ] = { + [ C(RESULT_ACCESS) ] = 0x0, + [ C(RESULT_MISS) ] = 0x0, + }, + }, + [ C(LL ) ] = { + [ C(OP_READ) ] = { + [ C(RESULT_ACCESS) ] = 0, + [ C(RESULT_MISS) ] = 0x10cb, /* L2_READ_MISS */ + }, + [ C(OP_WRITE) ] = { + [ C(RESULT_ACCESS) ] = 0x10cc, /* L2_WRITE_HIT */ + [ C(RESULT_MISS) ] = 0, + }, + [ C(OP_PREFETCH) ] = { + [ C(RESULT_ACCESS) ] = 0x10fc, /* L2_DATA_PF2 */ + [ C(RESULT_MISS) ] = 0x10fe, /* L2_DATA_PF2_MISS */ + }, + }, + [ C(DTLB) ] = { + [ C(OP_READ) ] = { + [ C(RESULT_ACCESS) ] = ARCH_PERFMON_EVENTSEL_INT, + /* DATA_READ */ + /* see note on L1 OP_READ */ + [ C(RESULT_MISS) ] = 0x0002, /* DATA_PAGE_WALK */ + }, + [ C(OP_WRITE) ] = { + [ C(RESULT_ACCESS) ] = 0x0001, /* DATA_WRITE */ + [ C(RESULT_MISS) ] = 0x0002, /* DATA_PAGE_WALK */ + }, + [ C(OP_PREFETCH) ] = { + [ C(RESULT_ACCESS) ] = 0x0, + [ C(RESULT_MISS) ] = 0x0, + }, + }, + [ C(ITLB) ] = { + [ C(OP_READ) ] = { + [ C(RESULT_ACCESS) ] = 0x000c, /* CODE_READ */ + [ C(RESULT_MISS) ] = 0x000d, /* CODE_PAGE_WALK */ + }, + [ C(OP_WRITE) ] = { + [ C(RESULT_ACCESS) ] = -1, + [ C(RESULT_MISS) ] = -1, + }, + [ C(OP_PREFETCH) ] = { + [ C(RESULT_ACCESS) ] = -1, + [ C(RESULT_MISS) ] = -1, + }, + }, + [ C(BPU ) ] = { + [ C(OP_READ) ] = { + [ C(RESULT_ACCESS) ] = 0x0012, /* BRANCHES */ + [ C(RESULT_MISS) ] = 0x002b, /* BRANCHES_MISPREDICTED */ + }, + [ C(OP_WRITE) ] = { + [ C(RESULT_ACCESS) ] = -1, + [ C(RESULT_MISS) ] = -1, + }, + [ C(OP_PREFETCH) ] = { + [ C(RESULT_ACCESS) ] = -1, + [ C(RESULT_MISS) ] = -1, + }, + }, +}; + + +static u64 knc_pmu_event_map(int hw_event) +{ + return knc_perfmon_event_map[hw_event]; +} + +static struct event_constraint knc_event_constraints[] = +{ + INTEL_EVENT_CONSTRAINT(0xc3, 0x1), /* HWP_L2HIT */ + INTEL_EVENT_CONSTRAINT(0xc4, 0x1), /* HWP_L2MISS */ + INTEL_EVENT_CONSTRAINT(0xc8, 0x1), /* L2_READ_HIT_E */ + INTEL_EVENT_CONSTRAINT(0xc9, 0x1), /* L2_READ_HIT_M */ + INTEL_EVENT_CONSTRAINT(0xca, 0x1), /* L2_READ_HIT_S */ + INTEL_EVENT_CONSTRAINT(0xcb, 0x1), /* L2_READ_MISS */ + INTEL_EVENT_CONSTRAINT(0xcc, 0x1), /* L2_WRITE_HIT */ + INTEL_EVENT_CONSTRAINT(0xce, 0x1), /* L2_STRONGLY_ORDERED_STREAMING_VSTORES_MISS */ + INTEL_EVENT_CONSTRAINT(0xcf, 0x1), /* L2_WEAKLY_ORDERED_STREAMING_VSTORE_MISS */ + INTEL_EVENT_CONSTRAINT(0xd7, 0x1), /* L2_VICTIM_REQ_WITH_DATA */ + INTEL_EVENT_CONSTRAINT(0xe3, 0x1), /* SNP_HITM_BUNIT */ + INTEL_EVENT_CONSTRAINT(0xe6, 0x1), /* SNP_HIT_L2 */ + INTEL_EVENT_CONSTRAINT(0xe7, 0x1), /* SNP_HITM_L2 */ + INTEL_EVENT_CONSTRAINT(0xf1, 0x1), /* L2_DATA_READ_MISS_CACHE_FILL */ + INTEL_EVENT_CONSTRAINT(0xf2, 0x1), /* L2_DATA_WRITE_MISS_CACHE_FILL */ + INTEL_EVENT_CONSTRAINT(0xf6, 0x1), /* L2_DATA_READ_MISS_MEM_FILL */ + INTEL_EVENT_CONSTRAINT(0xf7, 0x1), /* L2_DATA_WRITE_MISS_MEM_FILL */ + INTEL_EVENT_CONSTRAINT(0xfc, 0x1), /* L2_DATA_PF2 */ + INTEL_EVENT_CONSTRAINT(0xfd, 0x1), /* L2_DATA_PF2_DROP */ + INTEL_EVENT_CONSTRAINT(0xfe, 0x1), /* L2_DATA_PF2_MISS */ + INTEL_EVENT_CONSTRAINT(0xff, 0x1), /* L2_DATA_HIT_INFLIGHT_PF2 */ + EVENT_CONSTRAINT_END +}; + +#define MSR_KNC_IA32_PERF_GLOBAL_STATUS 0x0000002d +#define MSR_KNC_IA32_PERF_GLOBAL_OVF_CONTROL 0x0000002e +#define MSR_KNC_IA32_PERF_GLOBAL_CTRL 0x0000002f + +#define KNC_ENABLE_COUNTER0 0x00000001 +#define KNC_ENABLE_COUNTER1 0x00000002 + +static void knc_pmu_disable_all(void) +{ + u64 val; + + rdmsrl(MSR_KNC_IA32_PERF_GLOBAL_CTRL, val); + val &= ~(KNC_ENABLE_COUNTER0|KNC_ENABLE_COUNTER1); + wrmsrl(MSR_KNC_IA32_PERF_GLOBAL_CTRL, val); +} + +static void knc_pmu_enable_all(int added) +{ + u64 val; + + rdmsrl(MSR_KNC_IA32_PERF_GLOBAL_CTRL, val); + val |= (KNC_ENABLE_COUNTER0|KNC_ENABLE_COUNTER1); + wrmsrl(MSR_KNC_IA32_PERF_GLOBAL_CTRL, val); +} + +static inline void +knc_pmu_disable_event(struct perf_event *event) +{ + struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); + struct hw_perf_event *hwc = &event->hw; + u64 val; + + val = hwc->config; + if (cpuc->enabled) + val &= ~ARCH_PERFMON_EVENTSEL_ENABLE; + + (void)wrmsrl_safe(hwc->config_base + hwc->idx, val); +} + +static void knc_pmu_enable_event(struct perf_event *event) +{ + struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); + struct hw_perf_event *hwc = &event->hw; + u64 val; + + val = hwc->config; + if (cpuc->enabled) + val |= ARCH_PERFMON_EVENTSEL_ENABLE; + + (void)wrmsrl_safe(hwc->config_base + hwc->idx, val); +} + +PMU_FORMAT_ATTR(event, "config:0-7" ); +PMU_FORMAT_ATTR(umask, "config:8-15" ); +PMU_FORMAT_ATTR(edge, "config:18" ); +PMU_FORMAT_ATTR(inv, "config:23" ); +PMU_FORMAT_ATTR(cmask, "config:24-31" ); + +static struct attribute *intel_knc_formats_attr[] = { + &format_attr_event.attr, + &format_attr_umask.attr, + &format_attr_edge.attr, + &format_attr_inv.attr, + &format_attr_cmask.attr, + NULL, +}; + +static __initconst struct x86_pmu knc_pmu = { + .name = "knc", + .handle_irq = x86_pmu_handle_irq, + .disable_all = knc_pmu_disable_all, + .enable_all = knc_pmu_enable_all, + .enable = knc_pmu_enable_event, + .disable = knc_pmu_disable_event, + .hw_config = x86_pmu_hw_config, + .schedule_events = x86_schedule_events, + .eventsel = MSR_KNC_EVNTSEL0, + .perfctr = MSR_KNC_PERFCTR0, + .event_map = knc_pmu_event_map, + .max_events = ARRAY_SIZE(knc_perfmon_event_map), + .apic = 1, + .max_period = (1ULL << 31) - 1, + .version = 0, + .num_counters = 2, + /* in theory 40 bits, early silicon is buggy though */ + .cntval_bits = 32, + .cntval_mask = (1ULL << 32) - 1, + .get_event_constraints = x86_get_event_constraints, + .event_constraints = knc_event_constraints, + .format_attrs = intel_knc_formats_attr, +}; + +__init int knc_pmu_init(void) +{ + x86_pmu = knc_pmu; + + memcpy(hw_cache_event_ids, knc_hw_cache_event_ids, + sizeof(hw_cache_event_ids)); + + return 0; +} diff --git a/arch/x86/kernel/cpu/perfctr-watchdog.c b/arch/x86/kernel/cpu/perfctr-watchdog.c index 966512b2cacf..2e8caf03f593 100644 --- a/arch/x86/kernel/cpu/perfctr-watchdog.c +++ b/arch/x86/kernel/cpu/perfctr-watchdog.c @@ -56,6 +56,8 @@ static inline unsigned int nmi_perfctr_msr_to_bit(unsigned int msr) switch (boot_cpu_data.x86) { case 6: return msr - MSR_P6_PERFCTR0; + case 11: + return msr - MSR_KNC_PERFCTR0; case 15: return msr - MSR_P4_BPU_PERFCTR0; } @@ -82,6 +84,8 @@ static inline unsigned int nmi_evntsel_msr_to_bit(unsigned int msr) switch (boot_cpu_data.x86) { case 6: return msr - MSR_P6_EVNTSEL0; + case 11: + return msr - MSR_KNC_EVNTSEL0; case 15: return msr - MSR_P4_BSU_ESCR0; } diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S index 8f9ed1afde8f..a1193aef6d7d 100644 --- a/arch/x86/kernel/entry_32.S +++ b/arch/x86/kernel/entry_32.S @@ -299,12 +299,20 @@ ENTRY(ret_from_fork) CFI_ENDPROC END(ret_from_fork) -ENTRY(ret_from_kernel_execve) - movl %eax, %esp - movl $0,PT_EAX(%esp) +ENTRY(ret_from_kernel_thread) + CFI_STARTPROC + pushl_cfi %eax + call schedule_tail GET_THREAD_INFO(%ebp) + popl_cfi %eax + pushl_cfi $0x0202 # Reset kernel eflags + popfl_cfi + movl PT_EBP(%esp),%eax + call *PT_EBX(%esp) + movl $0,PT_EAX(%esp) jmp syscall_exit -END(ret_from_kernel_execve) + CFI_ENDPROC +ENDPROC(ret_from_kernel_thread) /* * Interrupt exit functions should be protected against kprobes @@ -622,6 +630,10 @@ work_notifysig: # deal with pending signals and movl %esp, %eax jne work_notifysig_v86 # returning to kernel-space or # vm86-space +1: +#else + movl %esp, %eax +#endif TRACE_IRQS_ON ENABLE_INTERRUPTS(CLBR_NONE) movb PT_CS(%esp), %bl @@ -632,24 +644,15 @@ work_notifysig: # deal with pending signals and call do_notify_resume jmp resume_userspace +#ifdef CONFIG_VM86 ALIGN work_notifysig_v86: pushl_cfi %ecx # save ti_flags for do_notify_resume call save_v86_state # %eax contains pt_regs pointer popl_cfi %ecx movl %eax, %esp -#else - movl %esp, %eax + jmp 1b #endif - TRACE_IRQS_ON - ENABLE_INTERRUPTS(CLBR_NONE) - movb PT_CS(%esp), %bl - andb $SEGMENT_RPL_MASK, %bl - cmpb $USER_RPL, %bl - jb resume_kernel - xorl %edx, %edx - call do_notify_resume - jmp resume_userspace END(work_pending) # perform syscall exit tracing @@ -1020,21 +1023,6 @@ END(spurious_interrupt_bug) */ .popsection -ENTRY(ret_from_kernel_thread) - CFI_STARTPROC - pushl_cfi %eax - call schedule_tail - GET_THREAD_INFO(%ebp) - popl_cfi %eax - pushl_cfi $0x0202 # Reset kernel eflags - popfl_cfi - movl PT_EBP(%esp),%eax - call *PT_EBX(%esp) - call do_exit - ud2 # padding for call trace - CFI_ENDPROC -ENDPROC(ret_from_kernel_thread) - #ifdef CONFIG_XEN /* Xen doesn't set %esp to be precisely what the normal sysenter entrypoint expects, so fix it up before using the normal path. */ diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S index cdc790c78f32..0c58952d64e8 100644 --- a/arch/x86/kernel/entry_64.S +++ b/arch/x86/kernel/entry_64.S @@ -563,15 +563,13 @@ ENTRY(ret_from_fork) jmp ret_from_sys_call # go to the SYSRET fastpath 1: - subq $REST_SKIP, %rsp # move the stack pointer back + subq $REST_SKIP, %rsp # leave space for volatiles CFI_ADJUST_CFA_OFFSET REST_SKIP movq %rbp, %rdi call *%rbx - # exit - mov %eax, %edi - call do_exit - ud2 # padding for call trace - + movl $0, RAX(%rsp) + RESTORE_REST + jmp int_ret_from_sys_call CFI_ENDPROC END(ret_from_fork) @@ -1326,20 +1324,6 @@ bad_gs: jmp 2b .previous -ENTRY(ret_from_kernel_execve) - movq %rdi, %rsp - movl $0, RAX(%rsp) - // RESTORE_REST - movq 0*8(%rsp), %r15 - movq 1*8(%rsp), %r14 - movq 2*8(%rsp), %r13 - movq 3*8(%rsp), %r12 - movq 4*8(%rsp), %rbp - movq 5*8(%rsp), %rbx - addq $(6*8), %rsp - jmp int_ret_from_sys_call -END(ret_from_kernel_execve) - /* Call softirq on interrupt stack. Interrupts are off. */ ENTRY(call_softirq) CFI_STARTPROC diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c index 3f61904365cf..836f8322960e 100644 --- a/arch/x86/kernel/kgdb.c +++ b/arch/x86/kernel/kgdb.c @@ -746,7 +746,9 @@ void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long ip) int kgdb_arch_set_breakpoint(struct kgdb_bkpt *bpt) { int err; +#ifdef CONFIG_DEBUG_RODATA char opc[BREAK_INSTR_SIZE]; +#endif /* CONFIG_DEBUG_RODATA */ bpt->type = BP_BREAKPOINT; err = probe_kernel_read(bpt->saved_instr, (char *)bpt->bpt_addr, diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index d609be046b57..a2bb18e02839 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -68,6 +68,7 @@ #include <linux/percpu.h> #include <linux/crash_dump.h> #include <linux/tboot.h> +#include <linux/jiffies.h> #include <video/edid.h> @@ -1032,6 +1033,8 @@ void __init setup_arch(char **cmdline_p) mcheck_init(); arch_init_ideal_nops(); + + register_refined_jiffies(CLOCK_TICK_RATE); } #ifdef CONFIG_X86_32 diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c index 8d141b309046..3a3e8c9e280d 100644 --- a/arch/x86/kernel/vsyscall_64.c +++ b/arch/x86/kernel/vsyscall_64.c @@ -28,7 +28,7 @@ #include <linux/jiffies.h> #include <linux/sysctl.h> #include <linux/topology.h> -#include <linux/clocksource.h> +#include <linux/timekeeper_internal.h> #include <linux/getcpu.h> #include <linux/cpu.h> #include <linux/smp.h> @@ -82,32 +82,41 @@ void update_vsyscall_tz(void) vsyscall_gtod_data.sys_tz = sys_tz; } -void update_vsyscall(struct timespec *wall_time, struct timespec *wtm, - struct clocksource *clock, u32 mult) +void update_vsyscall(struct timekeeper *tk) { - struct timespec monotonic; + struct vsyscall_gtod_data *vdata = &vsyscall_gtod_data; - write_seqcount_begin(&vsyscall_gtod_data.seq); + write_seqcount_begin(&vdata->seq); /* copy vsyscall data */ - vsyscall_gtod_data.clock.vclock_mode = clock->archdata.vclock_mode; - vsyscall_gtod_data.clock.cycle_last = clock->cycle_last; - vsyscall_gtod_data.clock.mask = clock->mask; - vsyscall_gtod_data.clock.mult = mult; - vsyscall_gtod_data.clock.shift = clock->shift; - - vsyscall_gtod_data.wall_time_sec = wall_time->tv_sec; - vsyscall_gtod_data.wall_time_nsec = wall_time->tv_nsec; + vdata->clock.vclock_mode = tk->clock->archdata.vclock_mode; + vdata->clock.cycle_last = tk->clock->cycle_last; + vdata->clock.mask = tk->clock->mask; + vdata->clock.mult = tk->mult; + vdata->clock.shift = tk->shift; + + vdata->wall_time_sec = tk->xtime_sec; + vdata->wall_time_snsec = tk->xtime_nsec; + + vdata->monotonic_time_sec = tk->xtime_sec + + tk->wall_to_monotonic.tv_sec; + vdata->monotonic_time_snsec = tk->xtime_nsec + + (tk->wall_to_monotonic.tv_nsec + << tk->shift); + while (vdata->monotonic_time_snsec >= + (((u64)NSEC_PER_SEC) << tk->shift)) { + vdata->monotonic_time_snsec -= + ((u64)NSEC_PER_SEC) << tk->shift; + vdata->monotonic_time_sec++; + } - monotonic = timespec_add(*wall_time, *wtm); - vsyscall_gtod_data.monotonic_time_sec = monotonic.tv_sec; - vsyscall_gtod_data.monotonic_time_nsec = monotonic.tv_nsec; + vdata->wall_time_coarse.tv_sec = tk->xtime_sec; + vdata->wall_time_coarse.tv_nsec = (long)(tk->xtime_nsec >> tk->shift); - vsyscall_gtod_data.wall_time_coarse = __current_kernel_time(); - vsyscall_gtod_data.monotonic_time_coarse = - timespec_add(vsyscall_gtod_data.wall_time_coarse, *wtm); + vdata->monotonic_time_coarse = timespec_add(vdata->wall_time_coarse, + tk->wall_to_monotonic); - write_seqcount_end(&vsyscall_gtod_data.seq); + write_seqcount_end(&vdata->seq); } static void warn_bad_vsyscall(const char *level, struct pt_regs *regs, diff --git a/arch/x86/um/Kconfig b/arch/x86/um/Kconfig index 30c4eec033af..9fa950df80e5 100644 --- a/arch/x86/um/Kconfig +++ b/arch/x86/um/Kconfig @@ -14,6 +14,7 @@ config UML_X86 def_bool y select GENERIC_FIND_FIRST_BIT select GENERIC_KERNEL_THREAD + select GENERIC_KERNEL_EXECVE config 64BIT bool "64-bit kernel" if SUBARCH = "x86" diff --git a/arch/x86/vdso/vclock_gettime.c b/arch/x86/vdso/vclock_gettime.c index 885eff49d6ab..4df6c373421a 100644 --- a/arch/x86/vdso/vclock_gettime.c +++ b/arch/x86/vdso/vclock_gettime.c @@ -80,7 +80,7 @@ notrace static long vdso_fallback_gtod(struct timeval *tv, struct timezone *tz) } -notrace static inline long vgetns(void) +notrace static inline u64 vgetsns(void) { long v; cycles_t cycles; @@ -91,21 +91,24 @@ notrace static inline long vgetns(void) else return 0; v = (cycles - gtod->clock.cycle_last) & gtod->clock.mask; - return (v * gtod->clock.mult) >> gtod->clock.shift; + return v * gtod->clock.mult; } /* Code size doesn't matter (vdso is 4k anyway) and this is faster. */ notrace static int __always_inline do_realtime(struct timespec *ts) { - unsigned long seq, ns; + unsigned long seq; + u64 ns; int mode; + ts->tv_nsec = 0; do { seq = read_seqcount_begin(>od->seq); mode = gtod->clock.vclock_mode; ts->tv_sec = gtod->wall_time_sec; - ts->tv_nsec = gtod->wall_time_nsec; - ns = vgetns(); + ns = gtod->wall_time_snsec; + ns += vgetsns(); + ns >>= gtod->clock.shift; } while (unlikely(read_seqcount_retry(>od->seq, seq))); timespec_add_ns(ts, ns); @@ -114,15 +117,18 @@ notrace static int __always_inline do_realtime(struct timespec *ts) notrace static int do_monotonic(struct timespec *ts) { - unsigned long seq, ns; + unsigned long seq; + u64 ns; int mode; + ts->tv_nsec = 0; do { seq = read_seqcount_begin(>od->seq); mode = gtod->clock.vclock_mode; ts->tv_sec = gtod->monotonic_time_sec; - ts->tv_nsec = gtod->monotonic_time_nsec; - ns = vgetns(); + ns = gtod->monotonic_time_snsec; + ns += vgetsns(); + ns >>= gtod->clock.shift; } while (unlikely(read_seqcount_retry(>od->seq, seq))); timespec_add_ns(ts, ns); diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index bf788d34530d..e3497f240eab 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -987,7 +987,16 @@ static void xen_write_cr4(unsigned long cr4) native_write_cr4(cr4); } - +#ifdef CONFIG_X86_64 +static inline unsigned long xen_read_cr8(void) +{ + return 0; +} +static inline void xen_write_cr8(unsigned long val) +{ + BUG_ON(val); +} +#endif static int xen_write_msr_safe(unsigned int msr, unsigned low, unsigned high) { int ret; @@ -1156,6 +1165,11 @@ static const struct pv_cpu_ops xen_cpu_ops __initconst = { .read_cr4_safe = native_read_cr4_safe, .write_cr4 = xen_write_cr4, +#ifdef CONFIG_X86_64 + .read_cr8 = xen_read_cr8, + .write_cr8 = xen_write_cr8, +#endif + .wbinvd = native_wbinvd, .read_msr = native_read_msr_safe, @@ -1164,6 +1178,8 @@ static const struct pv_cpu_ops xen_cpu_ops __initconst = { .read_tsc = native_read_tsc, .read_pmc = native_read_pmc, + .read_tscp = native_read_tscp, + .iret = xen_iret, .irq_enable_sysexit = xen_sysexit, #ifdef CONFIG_X86_64 diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c index fd28d86fe3d2..6226c99729b9 100644 --- a/arch/x86/xen/mmu.c +++ b/arch/x86/xen/mmu.c @@ -47,6 +47,7 @@ #include <linux/gfp.h> #include <linux/memblock.h> #include <linux/seq_file.h> +#include <linux/crash_dump.h> #include <trace/events/xen.h> @@ -2381,6 +2382,43 @@ void xen_destroy_contiguous_region(unsigned long vstart, unsigned int order) EXPORT_SYMBOL_GPL(xen_destroy_contiguous_region); #ifdef CONFIG_XEN_PVHVM +#ifdef CONFIG_PROC_VMCORE +/* + * This function is used in two contexts: + * - the kdump kernel has to check whether a pfn of the crashed kernel + * was a ballooned page. vmcore is using this function to decide + * whether to access a pfn of the crashed kernel. + * - the kexec kernel has to check whether a pfn was ballooned by the + * previous kernel. If the pfn is ballooned, handle it properly. + * Returns 0 if the pfn is not backed by a RAM page, the caller may + * handle the pfn special in this case. + */ +static int xen_oldmem_pfn_is_ram(unsigned long pfn) +{ + struct xen_hvm_get_mem_type a = { + .domid = DOMID_SELF, + .pfn = pfn, + }; + int ram; + + if (HYPERVISOR_hvm_op(HVMOP_get_mem_type, &a)) + return -ENXIO; + + switch (a.mem_type) { + case HVMMEM_mmio_dm: + ram = 0; + break; + case HVMMEM_ram_rw: + case HVMMEM_ram_ro: + default: + ram = 1; + break; + } + + return ram; +} +#endif + static void xen_hvm_exit_mmap(struct mm_struct *mm) { struct xen_hvm_pagetable_dying a; @@ -2411,6 +2449,9 @@ void __init xen_hvm_init_mmu_ops(void) { if (is_pagetable_dying_supported()) pv_mmu_ops.exit_mmap = xen_hvm_exit_mmap; +#ifdef CONFIG_PROC_VMCORE + register_oldmem_pfn_is_ram(&xen_oldmem_pfn_is_ram); +#endif } #endif diff --git a/arch/xtensa/include/asm/thread_info.h b/arch/xtensa/include/asm/thread_info.h index 81abfd5d01ac..9481004ac119 100644 --- a/arch/xtensa/include/asm/thread_info.h +++ b/arch/xtensa/include/asm/thread_info.h @@ -128,19 +128,14 @@ static inline struct thread_info *current_thread_info(void) #define TIF_SIGPENDING 1 /* signal pending */ #define TIF_NEED_RESCHED 2 /* rescheduling necessary */ #define TIF_SINGLESTEP 3 /* restore singlestep on return to user mode */ -#define TIF_IRET 4 /* return with iret */ #define TIF_MEMDIE 5 /* is terminating due to OOM killer */ #define TIF_RESTORE_SIGMASK 6 /* restore signal mask in do_signal() */ #define TIF_NOTIFY_RESUME 7 /* callback before returning to user */ -#define TIF_POLLING_NRFLAG 16 /* true if poll_idle() is polling TIF_NEED_RESCHED */ #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) #define _TIF_SIGPENDING (1<<TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) #define _TIF_SINGLESTEP (1<<TIF_SINGLESTEP) -#define _TIF_IRET (1<<TIF_IRET) -#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) -#define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK) #define _TIF_WORK_MASK 0x0000FFFE /* work to do on interrupt/exception return */ #define _TIF_ALLWORK_MASK 0x0000FFFF /* work to do on any return to u-space */ diff --git a/arch/xtensa/kernel/process.c b/arch/xtensa/kernel/process.c index bc44311aa18c..bc020825cce5 100644 --- a/arch/xtensa/kernel/process.c +++ b/arch/xtensa/kernel/process.c @@ -328,13 +328,13 @@ long xtensa_execve(const char __user *name, struct pt_regs *regs) { long error; - char * filename; + struct filename *filename; filename = getname(name); error = PTR_ERR(filename); if (IS_ERR(filename)) goto out; - error = do_execve(filename, argv, envp, regs); + error = do_execve(filename->name, argv, envp, regs); putname(filename); out: return error; diff --git a/arch/xtensa/kernel/signal.c b/arch/xtensa/kernel/signal.c index efe4e854b3cd..63c566f627bc 100644 --- a/arch/xtensa/kernel/signal.c +++ b/arch/xtensa/kernel/signal.c @@ -19,7 +19,6 @@ #include <linux/errno.h> #include <linux/ptrace.h> #include <linux/personality.h> -#include <linux/freezer.h> #include <linux/tracehook.h> #include <asm/ucontext.h> @@ -527,9 +526,6 @@ static void do_signal(struct pt_regs *regs) void do_notify_resume(struct pt_regs *regs) { - if (!user_mode(regs)) - return; - if (test_thread_flag(TIF_SIGPENDING)) do_signal(regs); |