diff options
Diffstat (limited to 'arch/ppc/kernel/traps.c')
| -rw-r--r-- | arch/ppc/kernel/traps.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/ppc/kernel/traps.c b/arch/ppc/kernel/traps.c index 07e45db6b..47fef50d4 100644 --- a/arch/ppc/kernel/traps.c +++ b/arch/ppc/kernel/traps.c @@ -128,6 +128,7 @@ MachineCheckException(struct pt_regs *regs) _exception(SIGSEGV, regs); } +#if defined(CONFIG_ALTIVEC) void AltiVecUnavailable(struct pt_regs *regs) { @@ -163,6 +164,7 @@ AltiVecUnavailable(struct pt_regs *regs) /* enable altivec for the task on return */ regs->msr |= MSR_VEC; } +#endif /* CONFIG_ALTIVEC */ void UnknownException(struct pt_regs *regs) @@ -191,6 +193,20 @@ RunModeException(struct pt_regs *regs) void ProgramCheckException(struct pt_regs *regs) { +#if defined(CONFIG_4xx) + unsigned int instr; + unsigned int esr = mfspr(SPRN_ESR); + + if (esr & ESR_PTR) { +#if defined(CONFIG_XMON) || defined(CONFIG_KGDB) + if (debugger_bpt(regs)) + return; +#endif + _exception(SIGTRAP, regs); + } else { + _exception(SIGILL, regs); + } +#else if (regs->msr & 0x100000) { /* IEEE FP exception */ _exception(SIGFPE, regs); @@ -204,6 +220,7 @@ ProgramCheckException(struct pt_regs *regs) } else { _exception(SIGILL, regs); } +#endif } void |