summaryrefslogtreecommitdiff
path: root/src/arch/x86/isa/decoder
diff options
context:
space:
mode:
Diffstat (limited to 'src/arch/x86/isa/decoder')
-rw-r--r--src/arch/x86/isa/decoder/one_byte_opcodes.isa114
1 files changed, 56 insertions, 58 deletions
diff --git a/src/arch/x86/isa/decoder/one_byte_opcodes.isa b/src/arch/x86/isa/decoder/one_byte_opcodes.isa
index d1ef8d48e..11d8425ce 100644
--- a/src/arch/x86/isa/decoder/one_byte_opcodes.isa
+++ b/src/arch/x86/isa/decoder/one_byte_opcodes.isa
@@ -88,12 +88,6 @@
[rAl,Ib], [rAx,Iz]);
}
0x02: decode OPCODE_OP_BOTTOM3 {
- 0x0: adc_Eb_Gb();
- 0x1: adc_Ev_Gv();
- 0x2: adc_Gb_Eb();
- 0x3: adc_Gv_Ev();
- 0x4: adc_Al_Ib();
- 0x5: adc_rAX_Iz();
0x6: decode MODE_SUBMODE {
0x0: This_should_be_an_illegal_instruction();
default: push_SS();
@@ -102,14 +96,12 @@
0x0: This_should_be_an_illegal_instruction();
default: pop_SS();
}
+ default: MultiInst::ADC(OPCODE_OP_BOTTOM3,
+ [Eb,Gb], [Ev,Gv],
+ [Gb,Eb], [Gv,Ev],
+ [rAl,Ib], [rAx,Iz]);
}
0x03: decode OPCODE_OP_BOTTOM3 {
- 0x0: sbb_Eb_Gb();
- 0x1: sbb_Ev_Gv();
- 0x2: sbb_Gb_Eb();
- 0x3: sbb_Gv_Ev();
- 0x4: sbb_Al_Ib();
- 0x5: sbb_rAX_Iz();
0x6: decode MODE_SUBMODE {
0x0: This_should_be_an_illegal_instruction();
default: push_DS();
@@ -118,6 +110,10 @@
0x0: This_should_be_an_illegal_instruction();
default: pop_DS();
}
+ default: MultiInst::SBB(OPCODE_OP_BOTTOM3,
+ [Eb,Gb], [Ev,Gv],
+ [Gb,Eb], [Gv,Ev],
+ [rAl,Ib], [rAx,Iz]);
}
0x04: decode OPCODE_OP_BOTTOM3 {
0x6: M5InternalError::error(
@@ -237,52 +233,54 @@
}
}
0x10: decode OPCODE_OP_BOTTOM3 {
- //0x0: group1_Eb_Ib();
- 0x0: decode MODRM_REG {
- 0x0: Inst::ADD(Eb,Ib);
- 0x1: Inst::OR(Eb,Ib);
- 0x2: adc_Eb_Ib();
- 0x3: sbb_Eb_Ib();
- 0x4: Inst::AND(Eb,Ib);
- 0x5: Inst::SUB(Eb,Ib);
- 0x6: Inst::XOR(Eb,Ib);
- 0x7: Inst::CMP(Eb,Ib);
- }
- //0x1: group1_Ev_Iz();
- 0x1: decode MODRM_REG {
- 0x0: Inst::ADD(Ev,Iz);
- 0x1: Inst::OR(Ev,Iz);
- 0x2: adc_Ev_Iz();
- 0x3: sbb_Ev_Iz();
- 0x4: Inst::AND(Ev,Iz);
- 0x5: Inst::SUB(Ev,Iz);
- 0x6: Inst::XOR(Ev,Iz);
- 0x7: Inst::CMP(Ev,Iz);
- }
- 0x2: decode MODE_SUBMODE {
- 0x0: This_should_be_an_illegal_instruction();
- //default: group1_Eb_Ib();
- default: decode MODRM_REG {
- 0x0: Inst::ADD(Eb,Ib);
- 0x1: Inst::OR(Eb,Ib);
- 0x2: adc_Eb_Ib();
- 0x3: sbb_Eb_Ib();
- 0x4: Inst::AND(Eb,Ib);
- 0x5: Inst::SUB(Eb,Ib);
- 0x6: Inst::XOR(Eb,Ib);
- 0x7: Inst::CMP(Eb,Ib);
+ format Inst {
+ //0x0: group1_Eb_Ib();
+ 0x0: decode MODRM_REG {
+ 0x0: ADD(Eb,Ib);
+ 0x1: OR(Eb,Ib);
+ 0x2: ADC(Eb,Ib);
+ 0x3: SBB(Eb,Ib);
+ 0x4: AND(Eb,Ib);
+ 0x5: SUB(Eb,Ib);
+ 0x6: XOR(Eb,Ib);
+ 0x7: CMP(Eb,Ib);
+ }
+ //0x1: group1_Ev_Iz();
+ 0x1: decode MODRM_REG {
+ 0x0: ADD(Ev,Iz);
+ 0x1: OR(Ev,Iz);
+ 0x2: ADC(Ev,Iz);
+ 0x3: SBB(Ev,Iz);
+ 0x4: AND(Ev,Iz);
+ 0x5: SUB(Ev,Iz);
+ 0x6: XOR(Ev,Iz);
+ 0x7: CMP(Ev,Iz);
+ }
+ 0x2: decode MODE_SUBMODE {
+ 0x0: WarnUnimpl::This_should_be_an_illegal_instruction();
+ //default: group1_Eb_Ib();
+ default: decode MODRM_REG {
+ 0x0: ADD(Eb,Ib);
+ 0x1: OR(Eb,Ib);
+ 0x2: ADC(Eb,Ib);
+ 0x3: SBB(Eb,Ib);
+ 0x4: AND(Eb,Ib);
+ 0x5: SUB(Eb,Ib);
+ 0x6: XOR(Eb,Ib);
+ 0x7: CMP(Eb,Ib);
+ }
+ }
+ //0x3: group1_Ev_Ib();
+ 0x3: decode MODRM_REG {
+ 0x0: ADD(Ev,Ib);
+ 0x1: OR(Ev,Ib);
+ 0x2: ADC(Ev,Ib);
+ 0x3: SBB(Ev,Ib);
+ 0x4: AND(Ev,Ib);
+ 0x5: SUB(Ev,Ib);
+ 0x6: XOR(Ev,Ib);
+ 0x7: CMP(Ev,Ib);
}
- }
- //0x3: group1_Ev_Ib();
- 0x3: decode MODRM_REG {
- 0x0: Inst::ADD(Ev,Ib);
- 0x1: Inst::OR(Ev,Ib);
- 0x2: adc_Ev_Ib();
- 0x3: sbb_Ev_Ib();
- 0x4: Inst::AND(Ev,Ib);
- 0x5: Inst::SUB(Ev,Ib);
- 0x6: Inst::XOR(Ev,Ib);
- 0x7: Inst::CMP(Ev,Ib);
}
0x4: Inst::TEST(Eb,Gb);
0x5: Inst::TEST(Ev,Gv);
@@ -492,7 +490,7 @@
0x4: jmp_Ev();
0x5: jmp_Mp();
0x6: push_Ev();
- 0x7: This_should_be_an_illegal_instruction();
+ 0x7: WarnUnimpl::This_should_be_an_illegal_instruction();
}
}
}