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| author | Gabe Black <gblack@eecs.umich.edu> | 2010-06-02 12:58:06 -0500 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2010-06-02 12:58:06 -0500 |
| commit | f19b605aedddcfab1ee2abba87dfeaafe7c8c3c7 (patch) | |
| tree | 6bbd57f473ff6be254f32480e718675f5bafaf04 | |
| parent | 15356af288c3e32ef9057e7a59e3bba6a2156b43 (diff) | |
| download | gem5-f19b605aedddcfab1ee2abba87dfeaafe7c8c3c7.tar.xz | |
ARM: Decode the 16 bit thumb versions of the REV* instructions.
| -rw-r--r-- | src/arch/arm/isa/formats/data.isa | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/src/arch/arm/isa/formats/data.isa b/src/arch/arm/isa/formats/data.isa index b1baca16b..217f1364b 100644 --- a/src/arch/arm/isa/formats/data.isa +++ b/src/arch/arm/isa/formats/data.isa @@ -649,15 +649,19 @@ def format Thumb16Misc() {{ (bits(machInst, 7, 3) << 1), (IntRegIndex)(uint32_t)bits(machInst, 2, 0)); case 0xa: - switch (bits(machInst, 7, 5)) { - case 0x0: - return new WarnUnimplemented("rev", machInst); - case 0x1: - return new WarnUnimplemented("rev16", machInst); - case 0x3: - return new WarnUnimplemented("revsh", machInst); - default: - break; + { + IntRegIndex rd = (IntRegIndex)(uint32_t)bits(machInst, 2, 0); + IntRegIndex rm = (IntRegIndex)(uint32_t)bits(machInst, 5, 3); + switch (bits(machInst, 7, 6)) { + case 0x0: + return new Rev(machInst, rd, rm); + case 0x1: + return new Rev16(machInst, rd, rm); + case 0x3: + return new Revsh(machInst, rd, rm); + default: + break; + } } break; case 0xb: |