diff options
Diffstat (limited to 'arch/blackfin/kernel/traps.c')
| -rw-r--r-- | arch/blackfin/kernel/traps.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c index fffcf8a516b..9369836365b 100644 --- a/arch/blackfin/kernel/traps.c +++ b/arch/blackfin/kernel/traps.c @@ -16,6 +16,7 @@ #include <linux/irq.h> #include <asm/trace.h> #include <asm/fixed_code.h> +#include <asm/pseudo_instructions.h> #ifdef CONFIG_KGDB # include <linux/kgdb.h> @@ -68,6 +69,9 @@ asmlinkage notrace void trap_c(struct pt_regs *fp) #ifdef CONFIG_DEBUG_BFIN_HWTRACE_ON int j; #endif +#ifdef CONFIG_BFIN_PSEUDODBG_INSNS + int opcode; +#endif unsigned int cpu = raw_smp_processor_id(); const char *strerror = NULL; int sig = 0; @@ -200,6 +204,17 @@ asmlinkage notrace void trap_c(struct pt_regs *fp) } } #endif +#ifdef CONFIG_BFIN_PSEUDODBG_INSNS + /* + * Support for the fake instructions, if the instruction fails, + * then just execute a illegal opcode failure (like normal). + * Don't support these instructions inside the kernel + */ + if (!kernel_mode_regs(fp) && get_instruction(&opcode, (unsigned short *)fp->pc)) { + if (execute_pseudodbg_assert(fp, opcode)) + goto traps_done; + } +#endif info.si_code = ILL_ILLOPC; sig = SIGILL; strerror = KERN_NOTICE EXC_0x21(KERN_NOTICE); |