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| author | Gabe Black <gblack@eecs.umich.edu> | 2010-06-02 12:58:05 -0500 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2010-06-02 12:58:05 -0500 |
| commit | 15356af288c3e32ef9057e7a59e3bba6a2156b43 (patch) | |
| tree | 97ffe8d01547ae3427858502db68fbe2064d3cb4 /src/arch/arm/isa/formats | |
| parent | 59c726b6f46dde2d257c937c42bf4bcde6472517 (diff) | |
| download | gem5-15356af288c3e32ef9057e7a59e3bba6a2156b43.tar.xz | |
ARM: Decode the ARM version of the REV* instructions.
Diffstat (limited to 'src/arch/arm/isa/formats')
| -rw-r--r-- | src/arch/arm/isa/formats/data.isa | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/src/arch/arm/isa/formats/data.isa b/src/arch/arm/isa/formats/data.isa index a19c4ea3d..b1baca16b 100644 --- a/src/arch/arm/isa/formats/data.isa +++ b/src/arch/arm/isa/formats/data.isa @@ -165,7 +165,9 @@ def format ArmPackUnpackSatReverse() {{ break; case 0x3: if (op2 == 0x1) { - return new WarnUnimplemented("rev", machInst); + IntRegIndex rd = (IntRegIndex)(uint32_t)bits(machInst, 15, 12); + IntRegIndex rm = (IntRegIndex)(uint32_t)bits(machInst, 3, 0); + return new Rev(machInst, rd, rm); } else if (op2 == 0x3) { if (a == 0xf) { return new WarnUnimplemented("sxth", machInst); @@ -173,7 +175,9 @@ def format ArmPackUnpackSatReverse() {{ return new WarnUnimplemented("sxtah", machInst); } } else if (op2 == 0x5) { - return new WarnUnimplemented("rev16", machInst); + IntRegIndex rd = (IntRegIndex)(uint32_t)bits(machInst, 15, 12); + IntRegIndex rm = (IntRegIndex)(uint32_t)bits(machInst, 3, 0); + return new Rev16(machInst, rd, rm); } break; case 0x4: @@ -206,7 +210,9 @@ def format ArmPackUnpackSatReverse() {{ return new WarnUnimplemented("uxtah", machInst); } } else if (op2 == 0x5) { - return new WarnUnimplemented("revsh", machInst); + IntRegIndex rd = (IntRegIndex)(uint32_t)bits(machInst, 15, 12); + IntRegIndex rm = (IntRegIndex)(uint32_t)bits(machInst, 3, 0); + return new Revsh(machInst, rd, rm); } break; } |