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| author | Gabe Black <gblack@eecs.umich.edu> | 2010-08-25 19:10:42 -0500 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2010-08-25 19:10:42 -0500 |
| commit | 54a919f22587c75be5e7f0b88d5ec13baba600aa (patch) | |
| tree | 65b9d338a6968f16296e761ab7ce9a4867514b7e /src/arch/arm/faults.cc | |
| parent | 6368edb281f162e4fbb0a91744992a25134135f4 (diff) | |
| download | gem5-54a919f22587c75be5e7f0b88d5ec13baba600aa.tar.xz | |
ARM: Implement CPACR register and return Undefined Instruction when FP access is disabled.
Diffstat (limited to 'src/arch/arm/faults.cc')
| -rw-r--r-- | src/arch/arm/faults.cc | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/arch/arm/faults.cc b/src/arch/arm/faults.cc index 793f9d3a4..79973185d 100644 --- a/src/arch/arm/faults.cc +++ b/src/arch/arm/faults.cc @@ -159,8 +159,12 @@ Reset::invoke(ThreadContext *tc) void UndefinedInstruction::invoke(ThreadContext *tc) { + // If the mnemonic isn't defined this has to be an unknown instruction. assert(unknown || mnemonic != NULL); - if (unknown) { + if (disabled) { + panic("Attempted to execute disabled instruction " + "'%s' (inst 0x%08x)", mnemonic, machInst); + } else if (unknown) { panic("Attempted to execute unknown instruction (inst 0x%08x)", machInst); } else { |