diff options
| -rw-r--r-- | arch/csky/kernel/ptrace.c | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/arch/csky/kernel/ptrace.c b/arch/csky/kernel/ptrace.c index e5bd4e01b861..417b759fab6c 100644 --- a/arch/csky/kernel/ptrace.c +++ b/arch/csky/kernel/ptrace.c @@ -22,6 +22,7 @@ #include <asm/asm-offsets.h> #include <abi/regdef.h> +#include <abi/ckmmu.h> #define CREATE_TRACE_POINTS #include <trace/events/syscalls.h> @@ -343,6 +344,124 @@ asmlinkage void syscall_trace_exit(struct pt_regs *regs) trace_sys_exit(regs, syscall_get_return_value(current, regs)); } +#ifdef CONFIG_CPU_CK860 +static void show_iutlb(void) +{ + int entry, i; + unsigned long flags; + unsigned long oldpid; + unsigned long entryhi[16], entrylo0[16], entrylo1[16]; + + oldpid = read_mmu_entryhi(); + + entry = 0x8000; + + local_irq_save(flags); + + for (i = 0; i < 16; i++) { + write_mmu_index(entry); + tlb_read(); + entryhi[i] = read_mmu_entryhi(); + entrylo0[i] = read_mmu_entrylo0(); + entrylo1[i] = read_mmu_entrylo1(); + + entry++; + } + + local_irq_restore(flags); + + write_mmu_entryhi(oldpid); + + printk("\n\n\n"); + for (i = 0; i < 16; i++) + printk("iutlb[%d]: entryhi - 0x%lx; entrylo0 - 0x%lx;" + " entrylo1 - 0x%lx\n", + i, entryhi[i], entrylo0[i], entrylo1[i]); + printk("\n\n\n"); +} + +static void show_dutlb(void) +{ + int entry, i; + unsigned long flags; + unsigned long oldpid; + unsigned long entryhi[16], entrylo0[16], entrylo1[16]; + + oldpid = read_mmu_entryhi(); + + entry = 0x4000; + + local_irq_save(flags); + + for (i = 0; i < 16; i++) { + write_mmu_index(entry); + tlb_read(); + entryhi[i] = read_mmu_entryhi(); + entrylo0[i] = read_mmu_entrylo0(); + entrylo1[i] = read_mmu_entrylo1(); + + entry++; + } + + local_irq_restore(flags); + + write_mmu_entryhi(oldpid); + + printk("\n\n\n"); + for (i = 0; i < 16; i++) + printk("dutlb[%d]: entryhi - 0x%lx; entrylo0 - 0x%lx;" + " entrylo1 - 0x%lx\n", + i, entryhi[i], entrylo0[i], entrylo1[i]); + printk("\n\n\n"); +} + +static unsigned long entryhi[1024], entrylo0[1024], entrylo1[1024]; +static void show_jtlb(void) +{ + int entry; + unsigned long flags; + unsigned long oldpid; + + oldpid = read_mmu_entryhi(); + + entry = 0; + + local_irq_save(flags); + while (entry < 1024) { + write_mmu_index(entry); + tlb_read(); + entryhi[entry] = read_mmu_entryhi(); + entrylo0[entry] = read_mmu_entrylo0(); + entrylo1[entry] = read_mmu_entrylo1(); + + entry++; + } + local_irq_restore(flags); + + write_mmu_entryhi(oldpid); + + printk("\n\n\n"); + + for (entry = 0; entry < 1024; entry++) + printk("jtlb[%x]: entryhi - 0x%lx; entrylo0 - 0x%lx;" + " entrylo1 - 0x%lx\n", + entry, entryhi[entry], entrylo0[entry], entrylo1[entry]); + printk("\n\n\n"); +} + +static void show_tlb(void) +{ + show_iutlb(); + show_dutlb(); + show_jtlb(); +} +#else +static void show_tlb(void) +{ + return; +} +#endif + void show_regs(struct pt_regs *fp) { pr_info("\nCURRENT PROCESS:\n\n"); @@ -396,5 +515,7 @@ void show_regs(struct pt_regs *fp) fp->regs[8], fp->regs[9]); #endif + show_tlb(); + return; } |