diff options
Diffstat (limited to 'arch/arm/cpu/interrupts.c')
| -rw-r--r-- | arch/arm/cpu/interrupts.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/arm/cpu/interrupts.c b/arch/arm/cpu/interrupts.c index fb4bb78dae..c34108a4f8 100644 --- a/arch/arm/cpu/interrupts.c +++ b/arch/arm/cpu/interrupts.c @@ -27,6 +27,8 @@ #include <asm/ptrace.h> #include <asm/unwind.h> + +#if __LINUX_ARM_ARCH__ <= 7 /** * Display current register set content * @param[in] regs Guess what @@ -70,10 +72,13 @@ void show_regs (struct pt_regs *regs) unwind_backtrace(regs); #endif } +#endif static void __noreturn do_exception(struct pt_regs *pt_regs) { +#if __LINUX_ARM_ARCH__ <= 7 show_regs(pt_regs); +#endif panic(""); } @@ -121,6 +126,8 @@ void do_prefetch_abort (struct pt_regs *pt_regs) */ void do_data_abort (struct pt_regs *pt_regs) { + +#if __LINUX_ARM_ARCH__ <= 7 u32 far; asm volatile ("mrc p15, 0, %0, c6, c0, 0" : "=r" (far) : : "cc"); @@ -128,6 +135,7 @@ void do_data_abort (struct pt_regs *pt_regs) printf("unable to handle %s at address 0x%08x\n", far < PAGE_SIZE ? "NULL pointer dereference" : "paging request", far); +#endif do_exception(pt_regs); } @@ -156,6 +164,45 @@ void do_irq (struct pt_regs *pt_regs) do_exception(pt_regs); } +#ifdef CONFIG_CPU_64v8 +void do_bad_sync(struct pt_regs *pt_regs) +{ + printf("bad sync\n"); + do_exception(pt_regs); +} + +void do_bad_irq(struct pt_regs *pt_regs) +{ + printf("bad irq\n"); + do_exception(pt_regs); +} + +void do_bad_fiq(struct pt_regs *pt_regs) +{ + printf("bad fiq\n"); + do_exception(pt_regs); +} + +void do_bad_error(struct pt_regs *pt_regs) +{ + printf("bad error\n"); + do_exception(pt_regs); +} + +void do_sync(struct pt_regs *pt_regs) +{ + printf("sync exception\n"); + do_exception(pt_regs); +} + + +void do_error(struct pt_regs *pt_regs) +{ + printf("error exception\n"); + do_exception(pt_regs); +} +#endif + extern volatile int arm_ignore_data_abort; extern volatile int arm_data_abort_occurred; |