diff options
| author | Gabe Black <gblack@eecs.umich.edu> | 2010-06-02 12:58:10 -0500 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2010-06-02 12:58:10 -0500 |
| commit | 1ada9d48802ad2bccb1c1d9269797778198038fd (patch) | |
| tree | b58db35e23497bd563e4125fb62598735424f42b /src/arch/arm/isa/formats/branch.isa | |
| parent | 3caa75d53aa9c04b238aeae281983d8b73754e98 (diff) | |
| download | gem5-1ada9d48802ad2bccb1c1d9269797778198038fd.tar.xz | |
ARM: Make sure some undefined thumb32 instructions fault.
Diffstat (limited to 'src/arch/arm/isa/formats/branch.isa')
| -rw-r--r-- | src/arch/arm/isa/formats/branch.isa | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/arch/arm/isa/formats/branch.isa b/src/arch/arm/isa/formats/branch.isa index 1936a07bb..53a2c95b4 100644 --- a/src/arch/arm/isa/formats/branch.isa +++ b/src/arch/arm/isa/formats/branch.isa @@ -240,6 +240,9 @@ def format Thumb32BranchesAndMiscCtrl() {{ } case 0x4: { + if (bits(machInst, 0) == 1) { + return new Unknown(machInst); + } const uint32_t s = bits(machInst, 26); const uint32_t i1 = !(bits(machInst, 13) ^ s); const uint32_t i2 = !(bits(machInst, 11) ^ s); |