diff options
author | Gabe Black <gblack@eecs.umich.edu> | 2010-06-02 12:58:04 -0500 |
---|---|---|
committer | Gabe Black <gblack@eecs.umich.edu> | 2010-06-02 12:58:04 -0500 |
commit | 11c3361be431b3f7a8aa5a628d04cb5639d4c571 (patch) | |
tree | 4a5f0f92e0c3b016589344ebe21f9678ecc3e461 /src | |
parent | 14d25fbad09b3272e1d094adb1c6a298ab7b5ecd (diff) | |
download | gem5-11c3361be431b3f7a8aa5a628d04cb5639d4c571.tar.xz |
ARM: Fix when the flag bits are updated for thumb.
Diffstat (limited to 'src')
-rw-r--r-- | src/arch/arm/isa/formats/data.isa | 59 |
1 files changed, 30 insertions, 29 deletions
diff --git a/src/arch/arm/isa/formats/data.isa b/src/arch/arm/isa/formats/data.isa index 09433b824..3643fa88f 100644 --- a/src/arch/arm/isa/formats/data.isa +++ b/src/arch/arm/isa/formats/data.isa @@ -168,30 +168,30 @@ def format Thumb16ShiftAddSubMoveCmp() {{ const IntRegIndex rm = (IntRegIndex)(uint32_t)bits(machInst, 8, 6); switch (bits(machInst, 13, 11)) { case 0x0: // lsl - return new MovReg(machInst, rd, INTREG_ZERO, rn, imm5, LSL); + return new MovRegCc(machInst, rd, INTREG_ZERO, rn, imm5, LSL); case 0x1: // lsr - return new MovReg(machInst, rd, INTREG_ZERO, rn, imm5, LSR); + return new MovRegCc(machInst, rd, INTREG_ZERO, rn, imm5, LSR); case 0x2: // asr - return new MovReg(machInst, rd, INTREG_ZERO, rn, imm5, ASR); + return new MovRegCc(machInst, rd, INTREG_ZERO, rn, imm5, ASR); case 0x3: switch (bits(machInst, 10, 9)) { case 0x0: - return new AddReg(machInst, rd, rn, rm, 0, LSL); + return new AddRegCc(machInst, rd, rn, rm, 0, LSL); case 0x1: - return new SubReg(machInst, rd, rn, rm, 0, LSL); + return new SubRegCc(machInst, rd, rn, rm, 0, LSL); case 0x2: - return new AddImm(machInst, rd, rn, imm3, true); + return new AddImmCc(machInst, rd, rn, imm3, true); case 0x3: - return new SubImm(machInst, rd, rn, imm3, true); + return new SubImmCc(machInst, rd, rn, imm3, true); } case 0x4: - return new MovImm(machInst, rd8, INTREG_ZERO, imm8, true); + return new MovImmCc(machInst, rd8, INTREG_ZERO, imm8, false); case 0x5: return new CmpImmCc(machInst, INTREG_ZERO, rd8, imm8, true); case 0x6: - return new AddImm(machInst, rd8, rd8, imm8, true); + return new AddImmCc(machInst, rd8, rd8, imm8, true); case 0x7: - return new SubImm(machInst, rd8, rd8, imm8, true); + return new SubImmCc(machInst, rd8, rd8, imm8, true); } } ''' @@ -204,37 +204,37 @@ def format Thumb16DataProcessing() {{ const IntRegIndex rm = (IntRegIndex)(uint32_t)bits(machInst, 5, 3); switch (bits(machInst, 9, 6)) { case 0x0: - return new AndReg(machInst, rdn, rdn, rm, 0, LSL); + return new AndRegCc(machInst, rdn, rdn, rm, 0, LSL); case 0x1: - return new EorReg(machInst, rdn, rdn, rm, 0, LSL); + return new EorRegCc(machInst, rdn, rdn, rm, 0, LSL); case 0x2: //lsl - return new MovRegReg(machInst, rdn, INTREG_ZERO, rdn, rm, LSL); + return new MovRegRegCc(machInst, rdn, INTREG_ZERO, rdn, rm, LSL); case 0x3: //lsr - return new MovRegReg(machInst, rdn, INTREG_ZERO, rdn, rm, LSR); + return new MovRegRegCc(machInst, rdn, INTREG_ZERO, rdn, rm, LSR); case 0x4: //asr - return new MovRegReg(machInst, rdn, INTREG_ZERO, rdn, rm, ASR); + return new MovRegRegCc(machInst, rdn, INTREG_ZERO, rdn, rm, ASR); case 0x5: - return new AdcReg(machInst, rdn, rdn, rm, 0, LSL); + return new AdcRegCc(machInst, rdn, rdn, rm, 0, LSL); case 0x6: - return new SbcReg(machInst, rdn, rdn, rm, 0, LSL); + return new SbcRegCc(machInst, rdn, rdn, rm, 0, LSL); case 0x7: // ror - return new MovRegReg(machInst, rdn, INTREG_ZERO, rdn, rm, ROR); + return new MovRegRegCc(machInst, rdn, INTREG_ZERO, rdn, rm, ROR); case 0x8: - return new TstReg(machInst, INTREG_ZERO, rdn, rm, 0, LSL); + return new TstRegCc(machInst, INTREG_ZERO, rdn, rm, 0, LSL); case 0x9: - return new RsbImm(machInst, rdn, rm, 0, true); + return new RsbImmCc(machInst, rdn, rm, 0, true); case 0xa: - return new CmpReg(machInst, INTREG_ZERO, rdn, rm, 0, LSL); + return new CmpRegCc(machInst, INTREG_ZERO, rdn, rm, 0, LSL); case 0xb: - return new CmnReg(machInst, INTREG_ZERO, rdn, rm, 0, LSL); + return new CmnRegCc(machInst, INTREG_ZERO, rdn, rm, 0, LSL); case 0xc: - return new OrrReg(machInst, rdn, rdn, rm, 0, LSL); + return new OrrRegCc(machInst, rdn, rdn, rm, 0, LSL); case 0xd: - return new Mul(machInst, rdn, rm, rdn); + return new MulCc(machInst, rdn, rm, rdn); case 0xe: - return new BicReg(machInst, rdn, rdn, rm, 0, LSL); + return new BicRegCc(machInst, rdn, rdn, rm, 0, LSL); case 0xf: - return new MvnReg(machInst, rdn, INTREG_ZERO, rm, 0, LSL); + return new MvnRegCc(machInst, rdn, INTREG_ZERO, rm, 0, LSL); } } ''' @@ -251,7 +251,7 @@ def format Thumb16SpecDataAndBx() {{ case 0x0: return new AddReg(machInst, rdn, rdn, rm, 0, LSL); case 0x1: - return new CmpReg(machInst, INTREG_ZERO, rdn, rm, 0, LSL); + return new CmpRegCc(machInst, INTREG_ZERO, rdn, rm, 0, LSL); case 0x2: return new MovReg(machInst, rdn, INTREG_ZERO, rm, 0, LSL); case 0x3: @@ -392,10 +392,10 @@ def format Thumb32DataProcModImm() {{ return ''' if (s) { return new %(mnem)sImmCc(machInst, %(dest)s, - %(op1)s, imm, true); + %(op1)s, imm, rotC); } else { return new %(mnem)sImm(machInst, %(dest)s, - %(op1)s, imm, true); + %(op1)s, imm, rotC); } ''' % {"mnem" : mnem, "dest" : dest, "op1" : op1} @@ -407,6 +407,7 @@ def format Thumb32DataProcModImm() {{ const IntRegIndex rd = (IntRegIndex)(uint32_t)bits(machInst, 11, 8); const uint32_t ctrlImm = bits(machInst.instBits, 26) << 3 | bits(machInst, 14, 12); + const bool rotC = ctrlImm > 3; const uint32_t dataImm = bits(machInst, 7, 0); const uint32_t imm = modified_imm(ctrlImm, dataImm); switch (op) { |