diff options
Diffstat (limited to 'arch/xtensa')
| -rw-r--r-- | arch/xtensa/include/asm/irqflags.h | 58 | ||||
| -rw-r--r-- | arch/xtensa/include/asm/pgtable.h | 3 | ||||
| -rw-r--r-- | arch/xtensa/include/asm/system.h | 33 | ||||
| -rw-r--r-- | arch/xtensa/include/asm/uaccess.h | 2 | ||||
| -rw-r--r-- | arch/xtensa/kernel/irq.c | 2 | ||||
| -rw-r--r-- | arch/xtensa/kernel/process.c | 5 | ||||
| -rw-r--r-- | arch/xtensa/kernel/ptrace.c | 14 |
7 files changed, 72 insertions, 45 deletions
diff --git a/arch/xtensa/include/asm/irqflags.h b/arch/xtensa/include/asm/irqflags.h new file mode 100644 index 000000000000..dae9a8bdcb17 --- /dev/null +++ b/arch/xtensa/include/asm/irqflags.h @@ -0,0 +1,58 @@ +/* + * Xtensa IRQ flags handling functions + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2001 - 2005 Tensilica Inc. + */ + +#ifndef _XTENSA_IRQFLAGS_H +#define _XTENSA_IRQFLAGS_H + +#include <linux/types.h> + +static inline unsigned long arch_local_save_flags(void) +{ + unsigned long flags; + asm volatile("rsr %0,"__stringify(PS) : "=a" (flags)); + return flags; +} + +static inline unsigned long arch_local_irq_save(void) +{ + unsigned long flags; + asm volatile("rsil %0, "__stringify(LOCKLEVEL) + : "=a" (flags) :: "memory"); + return flags; +} + +static inline void arch_local_irq_disable(void) +{ + arch_local_irq_save(); +} + +static inline void arch_local_irq_enable(void) +{ + unsigned long flags; + asm volatile("rsil %0, 0" : "=a" (flags) :: "memory"); +} + +static inline void arch_local_irq_restore(unsigned long flags) +{ + asm volatile("wsr %0, "__stringify(PS)" ; rsync" + :: "a" (flags) : "memory"); +} + +static inline bool arch_irqs_disabled_flags(unsigned long flags) +{ + return (flags & 0xf) != 0; +} + +static inline bool arch_irqs_disabled(void) +{ + return arch_irqs_disabled_flags(arch_local_save_flags()); +} + +#endif /* _XTENSA_IRQFLAGS_H */ diff --git a/arch/xtensa/include/asm/pgtable.h b/arch/xtensa/include/asm/pgtable.h index 76bf35554117..b03c043ce75b 100644 --- a/arch/xtensa/include/asm/pgtable.h +++ b/arch/xtensa/include/asm/pgtable.h @@ -324,10 +324,7 @@ ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep) #define pte_offset_kernel(dir,addr) \ ((pte_t*) pmd_page_vaddr(*(dir)) + pte_index(addr)) #define pte_offset_map(dir,addr) pte_offset_kernel((dir),(addr)) -#define pte_offset_map_nested(dir,addr) pte_offset_kernel((dir),(addr)) - #define pte_unmap(pte) do { } while (0) -#define pte_unmap_nested(pte) do { } while (0) /* diff --git a/arch/xtensa/include/asm/system.h b/arch/xtensa/include/asm/system.h index 62b1e8f3c13c..1e7e09ab6cd7 100644 --- a/arch/xtensa/include/asm/system.h +++ b/arch/xtensa/include/asm/system.h @@ -12,41 +12,10 @@ #define _XTENSA_SYSTEM_H #include <linux/stringify.h> +#include <linux/irqflags.h> #include <asm/processor.h> -/* interrupt control */ - -#define local_save_flags(x) \ - __asm__ __volatile__ ("rsr %0,"__stringify(PS) : "=a" (x)); -#define local_irq_restore(x) do { \ - __asm__ __volatile__ ("wsr %0, "__stringify(PS)" ; rsync" \ - :: "a" (x) : "memory"); } while(0); -#define local_irq_save(x) do { \ - __asm__ __volatile__ ("rsil %0, "__stringify(LOCKLEVEL) \ - : "=a" (x) :: "memory");} while(0); - -static inline void local_irq_disable(void) -{ - unsigned long flags; - __asm__ __volatile__ ("rsil %0, "__stringify(LOCKLEVEL) - : "=a" (flags) :: "memory"); -} -static inline void local_irq_enable(void) -{ - unsigned long flags; - __asm__ __volatile__ ("rsil %0, 0" : "=a" (flags) :: "memory"); - -} - -static inline int irqs_disabled(void) -{ - unsigned long flags; - local_save_flags(flags); - return flags & 0xf; -} - - #define smp_read_barrier_depends() do { } while(0) #define read_barrier_depends() do { } while(0) diff --git a/arch/xtensa/include/asm/uaccess.h b/arch/xtensa/include/asm/uaccess.h index b8528426ab1f..5b0c18c1cce1 100644 --- a/arch/xtensa/include/asm/uaccess.h +++ b/arch/xtensa/include/asm/uaccess.h @@ -4,7 +4,7 @@ * User space memory access functions * * These routines provide basic accessing functions to the user memory - * space for the kernel. This header file provides fuctions such as: + * space for the kernel. This header file provides functions such as: * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive diff --git a/arch/xtensa/kernel/irq.c b/arch/xtensa/kernel/irq.c index c64a5d387de5..87508886cbbd 100644 --- a/arch/xtensa/kernel/irq.c +++ b/arch/xtensa/kernel/irq.c @@ -92,7 +92,7 @@ int show_interrupts(struct seq_file *p, void *v) for_each_online_cpu(j) seq_printf(p, "%10u ", kstat_irqs_cpu(i, j)); #endif - seq_printf(p, " %14s", irq_desc[i].chip->typename); + seq_printf(p, " %14s", irq_desc[i].chip->name); seq_printf(p, " %s", action->name); for (action=action->next; action; action = action->next) diff --git a/arch/xtensa/kernel/process.c b/arch/xtensa/kernel/process.c index 7c2f38f68ebb..e3558b9a58ba 100644 --- a/arch/xtensa/kernel/process.c +++ b/arch/xtensa/kernel/process.c @@ -318,8 +318,9 @@ long xtensa_clone(unsigned long clone_flags, unsigned long newsp, */ asmlinkage -long xtensa_execve(const char __user *name, char __user * __user *argv, - char __user * __user *envp, +long xtensa_execve(const char __user *name, + const char __user *const __user *argv, + const char __user *const __user *envp, long a3, long a4, long a5, struct pt_regs *regs) { diff --git a/arch/xtensa/kernel/ptrace.c b/arch/xtensa/kernel/ptrace.c index 9d4e1ceb3f09..c72c9473ef99 100644 --- a/arch/xtensa/kernel/ptrace.c +++ b/arch/xtensa/kernel/ptrace.c @@ -256,9 +256,11 @@ int ptrace_pokeusr(struct task_struct *child, long regno, long val) return 0; } -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { int ret = -EPERM; + void __user *datap = (void __user *) data; switch (request) { case PTRACE_PEEKTEXT: /* read word at location addr. */ @@ -267,7 +269,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) break; case PTRACE_PEEKUSR: /* read register specified by addr. */ - ret = ptrace_peekusr(child, addr, (void __user *) data); + ret = ptrace_peekusr(child, addr, datap); break; case PTRACE_POKETEXT: /* write the word at location addr. */ @@ -280,19 +282,19 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) break; case PTRACE_GETREGS: - ret = ptrace_getregs(child, (void __user *) data); + ret = ptrace_getregs(child, datap); break; case PTRACE_SETREGS: - ret = ptrace_setregs(child, (void __user *) data); + ret = ptrace_setregs(child, datap); break; case PTRACE_GETXTREGS: - ret = ptrace_getxregs(child, (void __user *) data); + ret = ptrace_getxregs(child, datap); break; case PTRACE_SETXTREGS: - ret = ptrace_setxregs(child, (void __user *) data); + ret = ptrace_setxregs(child, datap); break; default: |