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| author | Gabe Black <gblack@eecs.umich.edu> | 2007-06-14 20:52:22 +0000 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2007-06-14 20:52:22 +0000 |
| commit | 866cc8214ba1642c2af56ed14e9ca2cf8b1928cf (patch) | |
| tree | 5de3396fae004a17052103b437858e1d1275854b /src/arch/x86/isa/decoder | |
| parent | a8f65b18bc55fdb8ca888abfd0d991d12602fbf4 (diff) | |
| download | gem5-866cc8214ba1642c2af56ed14e9ca2cf8b1928cf.tar.xz | |
Implement a handful more instructions and differentiate macroops based on the operand types they expect.
--HG--
extra : convert_revision : f9c8e694a8c0eb33b988657dca03ab495b65bee8
Diffstat (limited to 'src/arch/x86/isa/decoder')
| -rw-r--r-- | src/arch/x86/isa/decoder/one_byte_opcodes.isa | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/src/arch/x86/isa/decoder/one_byte_opcodes.isa b/src/arch/x86/isa/decoder/one_byte_opcodes.isa index 72fbf2896..b72b2b16a 100644 --- a/src/arch/x86/isa/decoder/one_byte_opcodes.isa +++ b/src/arch/x86/isa/decoder/one_byte_opcodes.isa @@ -163,11 +163,11 @@ 0x7: dec_eDI(); } 0x0A: decode OPCODE_OP_BOTTOM3 { - 0x0: push_rAX(); + 0x0: Inst::PUSH(rAx); 0x1: push_rCX(); 0x2: push_rDX(); 0x3: push_rBX(); - 0x4: push_rSP(); + 0x4: Inst::PUSH(rSP); 0x5: push_rBP(); 0x6: push_rSI(); 0x7: push_rDI(); @@ -230,7 +230,17 @@ 0x0: group1_Eb_Ib(); 0x1: group1_Ev_Iz(); 0x2: group1_Eb_Ib(); - 0x3: group1_Ev_Ib(); + //0x3: group1_Ev_Ib(); + 0x3: decode MODRM_REG { + 0x0: add_Eb_Ib(); + 0x1: or_Eb_Ib(); + 0x2: adc_Eb_Ib(); + 0x3: sbb_Eb_Ib(); + 0x4: Inst::AND(Eb,Ib); + 0x5: sub_Eb_Ib(); + 0x6: xor_Eb_Ib(); + 0x7: cmp_Eb_Ib(); + } 0x4: test_Eb_Gb(); 0x5: test_Ev_Gv(); 0x6: xchg_Eb_Gb(); @@ -313,8 +323,14 @@ 0x3: ret_near(); 0x4: les_Gz_Mp(); 0x5: lds_Gz_Mp(); - 0x6: group12_Eb_Ib(); - 0x7: group12_Ev_Iz(); + //0x6: group12_Eb_Ib(); + 0x6: decode MODRM_REG { + 0x0: Inst::MOV(Eb,Ib); + } + //0x7: group12_Ev_Iz(); + 0x7: decode MODRM_REG { + 0x0: Inst::MOV(Ev,Iz); + } } 0x19: decode OPCODE_OP_BOTTOM3 { 0x0: enter_Iw_Ib(); |