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authorGabe Black <gblack@eecs.umich.edu>2007-10-18 22:39:39 -0700
committerGabe Black <gblack@eecs.umich.edu>2007-10-18 22:39:39 -0700
commit70542c8e617b3b721b3cc5e7e52ca62b65e3073b (patch)
treeed7ccffddb0f7c54d5db35a2c06a3f11fc48c03e /src/arch/x86/isa/decoder
parentdc2e887f238d48f15364d9937bc71940d3849c0a (diff)
downloadgem5-70542c8e617b3b721b3cc5e7e52ca62b65e3073b.tar.xz
X86: Make "Inst" the default format instead of WarnUnimpl for one byte opcodes.
--HG-- extra : convert_revision : 591e67fc21f5b72977c5876e39f488494fda77c2
Diffstat (limited to 'src/arch/x86/isa/decoder')
-rw-r--r--src/arch/x86/isa/decoder/one_byte_opcodes.isa667
-rw-r--r--src/arch/x86/isa/decoder/x87.isa546
2 files changed, 603 insertions, 610 deletions
diff --git a/src/arch/x86/isa/decoder/one_byte_opcodes.isa b/src/arch/x86/isa/decoder/one_byte_opcodes.isa
index 29b952cab..10118eae8 100644
--- a/src/arch/x86/isa/decoder/one_byte_opcodes.isa
+++ b/src/arch/x86/isa/decoder/one_byte_opcodes.isa
@@ -59,15 +59,15 @@
//
0x1: decode OPCODE_OP_TOP5 {
- format WarnUnimpl {
+ format Inst {
0x00: decode OPCODE_OP_BOTTOM3 {
0x6: decode MODE_SUBMODE {
- 0x0: Inst::UD2();
- default: push_ES();
+ 0x0: UD2();
+ default: WarnUnimpl::push_ES();
}
0x7: decode MODE_SUBMODE {
- 0x0: Inst::UD2();
- default: pop_ES();
+ 0x0: UD2();
+ default: WarnUnimpl::pop_ES();
}
default: MultiInst::ADD(OPCODE_OP_BOTTOM3,
[Eb,Gb], [Ev,Gv],
@@ -76,8 +76,8 @@
}
0x01: decode OPCODE_OP_BOTTOM3 {
0x6: decode MODE_SUBMODE {
- 0x0: Inst::UD2();
- default: push_CS();
+ 0x0: UD2();
+ default: WarnUnimpl::push_CS();
}
//Any time this is seen, it should generate a two byte opcode
0x7: M5InternalError::error(
@@ -89,12 +89,12 @@
}
0x02: decode OPCODE_OP_BOTTOM3 {
0x6: decode MODE_SUBMODE {
- 0x0: Inst::UD2();
- default: push_SS();
+ 0x0: UD2();
+ default: WarnUnimpl::push_SS();
}
0x7: decode MODE_SUBMODE {
- 0x0: Inst::UD2();
- default: pop_SS();
+ 0x0: UD2();
+ default: WarnUnimpl::pop_SS();
}
default: MultiInst::ADC(OPCODE_OP_BOTTOM3,
[Eb,Gb], [Ev,Gv],
@@ -103,12 +103,12 @@
}
0x03: decode OPCODE_OP_BOTTOM3 {
0x6: decode MODE_SUBMODE {
- 0x0: Inst::UD2();
- default: push_DS();
+ 0x0: UD2();
+ default: WarnUnimpl::push_DS();
}
0x7: decode MODE_SUBMODE {
- 0x0: Inst::UD2();
- default: pop_DS();
+ 0x0: UD2();
+ default: WarnUnimpl::pop_DS();
}
default: MultiInst::SBB(OPCODE_OP_BOTTOM3,
[Eb,Gb], [Ev,Gv],
@@ -119,8 +119,8 @@
0x6: M5InternalError::error(
{{"Tried to execute the ES segment override prefix!"}});
0x7: decode MODE_SUBMODE {
- 0x0: Inst::UD2();
- default: daa();
+ 0x0: UD2();
+ default: WarnUnimpl::daa();
}
default: MultiInst::AND(OPCODE_OP_BOTTOM3,
[Eb,Gb], [Ev,Gv],
@@ -130,7 +130,10 @@
0x05: decode OPCODE_OP_BOTTOM3 {
0x6: M5InternalError::error(
{{"Tried to execute the CS segment override prefix!"}});
- 0x7: das();
+ 0x7: decode MODE_SUBMODE {
+ 0x0: UD2();
+ default: WarnUnimpl::das();
+ }
default: MultiInst::SUB(OPCODE_OP_BOTTOM3,
[Eb,Gb], [Ev,Gv],
[Gb,Eb], [Gv,Ev],
@@ -140,8 +143,8 @@
0x6: M5InternalError::error(
{{"Tried to execute the SS segment override prefix!"}});
0x7: decode MODE_SUBMODE {
- 0x0: Inst::UD2();
- default: aaa();
+ 0x0: UD2();
+ default: WarnUnimpl::aaa();
}
default: MultiInst::XOR(OPCODE_OP_BOTTOM3,
[Eb,Gb], [Ev,Gv],
@@ -152,47 +155,45 @@
0x6: M5InternalError::error(
{{"Tried to execute the DS segment override prefix!"}});
0x7: decode MODE_SUBMODE {
- 0x0: Inst::UD2();
- default: aas();
+ 0x0: UD2();
+ default: WarnUnimpl::aas();
}
default: MultiInst::CMP(OPCODE_OP_BOTTOM3,
[Eb,Gb], [Ev,Gv],
[Gb,Eb], [Gv,Ev],
[rAb,Ib], [rAv,Iz]);
}
- format Inst {
- 0x08: decode MODE_SUBMODE {
- 0x0: M5InternalError::error (
- {{"Tried to execute an REX prefix!"}});
- default: INC(Bv);
- }
- 0x09: decode MODE_SUBMODE {
- 0x0: M5InternalError::error (
- {{"Tried to execute an REX prefix!"}});
- default: DEC(Bv);
- }
- 0x0A: PUSH(Bv);
- 0x0B: POP(Bv);
+ 0x08: decode MODE_SUBMODE {
+ 0x0: M5InternalError::error (
+ {{"Tried to execute an REX prefix!"}});
+ default: INC(Bv);
+ }
+ 0x09: decode MODE_SUBMODE {
+ 0x0: M5InternalError::error (
+ {{"Tried to execute an REX prefix!"}});
+ default: DEC(Bv);
}
+ 0x0A: PUSH(Bv);
+ 0x0B: POP(Bv);
0x0C: decode OPCODE_OP_BOTTOM3 {
0x0: decode MODE_SUBMODE {
- 0x0: Inst::UD2();
- default: Inst::PUSHA();
+ 0x0: UD2();
+ default: PUSHA();
}
0x1: decode MODE_SUBMODE {
- 0x0: Inst::UD2();
- default: Inst::POPA();
+ 0x0: UD2();
+ default: POPA();
}
0x2: decode MODE_SUBMODE {
- 0x0: Inst::UD2();
- default: bound_Gv_Ma();
+ 0x0: UD2();
+ default: WarnUnimpl::bound_Gv_Ma();
}
0x3: decode MODE_SUBMODE {
//The second operand should really be of size "d", but it's
//set to "v" in order to have a consistent register size.
//This shouldn't affect behavior.
- 0x0: Inst::MOVSXD(Gv,Ev);
- default: arpl_Ew_Gw();
+ 0x0: MOVSXD(Gv,Ev);
+ default: WarnUnimpl::arpl_Ew_Gw();
}
0x4: M5InternalError::error(
{{"Tried to execute the FS segment override prefix!"}});
@@ -204,41 +205,62 @@
{{"Tried to execute the DS address size override prefix!"}});
}
0x0D: decode OPCODE_OP_BOTTOM3 {
- 0x0: Inst::PUSH(Iz);
- 0x1: Inst::IMUL(Gv,Ev,Iz);
- 0x2: Inst::PUSH(Ib);
- 0x3: Inst::IMUL(Gv,Ev,Ib);
- 0x4: ins_Yb_Dx();
- 0x5: ins_Yz_Dx();
- 0x6: outs_Dx_Xb();
- 0x7: outs_Dx_Xz();
+ 0x0: PUSH(Iz);
+ 0x1: IMUL(Gv,Ev,Iz);
+ 0x2: PUSH(Ib);
+ 0x3: IMUL(Gv,Ev,Ib);
+ 0x4: WarnUnimpl::ins_Yb_Dx();
+ 0x5: WarnUnimpl::ins_Yz_Dx();
+ 0x6: WarnUnimpl::outs_Dx_Xb();
+ 0x7: WarnUnimpl::outs_Dx_Xz();
}
- format Inst {
- 0x0E: decode OPCODE_OP_BOTTOM3 {
- 0x0: JO(Jb);
- 0x1: JNO(Jb);
- 0x2: JB(Jb);
- 0x3: JNB(Jb);
- 0x4: JZ(Jb);
- 0x5: JNZ(Jb);
- 0x6: JBE(Jb);
- 0x7: JNBE(Jb);
- }
- 0x0F: decode OPCODE_OP_BOTTOM3 {
- 0x0: JS(Jb);
- 0x1: JNS(Jb);
- 0x2: JP(Jb);
- 0x3: JNP(Jb);
- 0x4: JL(Jb);
- 0x5: JNL(Jb);
- 0x6: JLE(Jb);
- 0x7: JNLE(Jb);
- }
+ 0x0E: decode OPCODE_OP_BOTTOM3 {
+ 0x0: JO(Jb);
+ 0x1: JNO(Jb);
+ 0x2: JB(Jb);
+ 0x3: JNB(Jb);
+ 0x4: JZ(Jb);
+ 0x5: JNZ(Jb);
+ 0x6: JBE(Jb);
+ 0x7: JNBE(Jb);
+ }
+ 0x0F: decode OPCODE_OP_BOTTOM3 {
+ 0x0: JS(Jb);
+ 0x1: JNS(Jb);
+ 0x2: JP(Jb);
+ 0x3: JNP(Jb);
+ 0x4: JL(Jb);
+ 0x5: JNL(Jb);
+ 0x6: JLE(Jb);
+ 0x7: JNLE(Jb);
}
- format Inst {
- 0x10: decode OPCODE_OP_BOTTOM3 {
- //0x0: group1_Eb_Ib();
- 0x0: decode MODRM_REG {
+ 0x10: decode OPCODE_OP_BOTTOM3 {
+ //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: UD2();
+ //default: group1_Eb_Ib();
+ default: decode MODRM_REG {
0x0: ADD(Eb,Ib);
0x1: OR(Eb,Ib);
0x2: ADC(Eb,Ib);
@@ -248,313 +270,282 @@
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: UD2();
- //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);
- }
- 0x4: TEST(Eb,Gb);
- 0x5: TEST(Ev,Gv);
- 0x6: XCHG(Eb,Gb);
- 0x7: XCHG(Ev,Gv);
}
+ //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);
+ }
+ 0x4: TEST(Eb,Gb);
+ 0x5: TEST(Ev,Gv);
+ 0x6: XCHG(Eb,Gb);
+ 0x7: XCHG(Ev,Gv);
}
0x11: decode OPCODE_OP_BOTTOM3 {
- 0x0: Inst::MOV(Eb,Gb);
- 0x1: Inst::MOV(Ev,Gv);
- 0x2: Inst::MOV(Gb,Eb);
- 0x3: Inst::MOV(Gv,Ev);
- 0x4: mov_MwRv_Sw(); //What to do with this one?
- 0x5: Inst::LEA(Gv,M);
- 0x6: mov_Sw_MwRv();
- 0x7: group10_Ev(); //Make sure this is Ev
+ 0x0: MOV(Eb,Gb);
+ 0x1: MOV(Ev,Gv);
+ 0x2: MOV(Gb,Eb);
+ 0x3: MOV(Gv,Ev);
+ 0x4: WarnUnimpl::mov_MwRv_Sw(); //What to do with this one?
+ 0x5: LEA(Gv,M);
+ 0x6: WarnUnimpl::mov_Sw_MwRv();
+ 0x7: WarnUnimpl::group10_Ev(); //Make sure this is Ev
}
0x12: decode OPCODE_OP_BOTTOM3 {
- 0x0: Inst::NOP(); //XXX repe makes this a "pause"
- default: Inst::XCHG(Bv,rAv);
+ 0x0: NOP(); //XXX repe makes this a "pause"
+ default: XCHG(Bv,rAv);
}
0x13: decode OPCODE_OP_BOTTOM3 {
- 0x0: Inst::CDQE(rAv);
- 0x1: Inst::CQO(rAv,rDv);
+ 0x0: CDQE(rAv);
+ 0x1: CQO(rAv,rDv);
0x2: decode MODE_SUBMODE {
- 0x0: Inst::UD2();
- default: call_far_Ap();
+ 0x0: UD2();
+ default: WarnUnimpl::call_far_Ap();
}
- 0x3: fwait(); //aka wait
- 0x4: pushf_Fv();
- 0x5: popf_Fv();
+ 0x3: WarnUnimpl::fwait(); //aka wait
+ 0x4: WarnUnimpl::pushf_Fv();
+ 0x5: WarnUnimpl::popf_Fv();
//Both of these should be illegal only if CPUID.AHF64=0,
//according to sandpile.org
0x6: decode MODE_SUBMODE {
- 0x0: Inst::UD2();
- default: sahf();
+ 0x0: UD2();
+ default: WarnUnimpl::sahf();
}
0x7: decode MODE_SUBMODE {
- 0x0: Inst::UD2();
- default: lahf();
+ 0x0: UD2();
+ default: WarnUnimpl::lahf();
}
}
- format Inst {
- 0x14: decode OPCODE_OP_BOTTOM3 {
- 0x0: MOV(rAb, Ob);
- 0x1: MOV(rAv, Ov);
- 0x2: MOV(Ob, rAb);
- 0x3: MOV(Ov, rAv);
- 0x4: StringInst::MOVS(Yb,Xb);
- 0x5: StringInst::MOVS(Yv,Xv);
- 0x6: StringTestInst::CMPS(Yb,Xb);
- 0x7: StringTestInst::CMPS(Yv,Xv);
- }
- 0x15: decode OPCODE_OP_BOTTOM3 {
- 0x0: TEST(rAb,Ib);
- 0x1: TEST(rAv,Iz);
- 0x2: StringInst::STOS(Yb);
- 0x3: StringInst::STOS(Yv);
- 0x4: StringInst::LODS(Xb);
- 0x5: StringInst::LODS(Xv);
- 0x6: StringTestInst::SCAS(Yb);
- 0x7: StringTestInst::SCAS(Yv);
- }
- 0x16: MOV(Bb,Ib);
- 0x17: MOV(Bv,Iv);
- 0x18: decode OPCODE_OP_BOTTOM3 {
- //0x0: group2_Eb_Ib();
- 0x0: decode MODRM_REG {
- 0x0: ROL(Eb,Ib);
- 0x1: ROR(Eb,Ib);
- 0x2: RCL(Eb,Ib);
- 0x3: RCR(Eb,Ib);
- 0x4: SAL(Eb,Ib);
- 0x5: SHR(Eb,Ib);
- 0x6: SAL(Eb,Ib);
- 0x7: SAR(Eb,Ib);
- }
- //0x1: group2_Ev_Ib();
- 0x1: decode MODRM_REG {
- 0x0: ROL(Ev,Ib);
- 0x1: ROR(Ev,Ib);
- 0x2: RCL(Ev,Ib);
- 0x3: RCR(Ev,Ib);
- 0x4: SAL(Ev,Ib);
- 0x5: SHR(Ev,Ib);
- 0x6: SAL(Ev,Ib);
- 0x7: SAR(Ev,Ib);
- }
- 0x2: RET_NEAR(Iw);
- 0x3: RET_NEAR();
- 0x4: decode MODE_SUBMODE {
- 0x0: UD2();
- default: WarnUnimpl::les_Gz_Mp();
- }
- 0x5: decode MODE_SUBMODE {
- 0x0: UD2();
- default: WarnUnimpl::lds_Gz_Mp();
- }
- //0x6: group12_Eb_Ib();
- 0x6: decode MODRM_REG {
- 0x0: MOV(Eb,Ib);
- default: UD2();
- }
- //0x7: group12_Ev_Iz();
- 0x7: decode MODRM_REG {
- 0x0: MOV(Ev,Iz);
- default: UD2();
- }
+ 0x14: decode OPCODE_OP_BOTTOM3 {
+ 0x0: MOV(rAb, Ob);
+ 0x1: MOV(rAv, Ov);
+ 0x2: MOV(Ob, rAb);
+ 0x3: MOV(Ov, rAv);
+ 0x4: StringInst::MOVS(Yb,Xb);
+ 0x5: StringInst::MOVS(Yv,Xv);
+ 0x6: StringTestInst::CMPS(Yb,Xb);
+ 0x7: StringTestInst::CMPS(Yv,Xv);
+ }
+ 0x15: decode OPCODE_OP_BOTTOM3 {
+ 0x0: TEST(rAb,Ib);
+ 0x1: TEST(rAv,Iz);
+ 0x2: StringInst::STOS(Yb);
+ 0x3: StringInst::STOS(Yv);
+ 0x4: StringInst::LODS(Xb);
+ 0x5: StringInst::LODS(Xv);
+ 0x6: StringTestInst::SCAS(Yb);
+ 0x7: StringTestInst::SCAS(Yv);
+ }
+ 0x16: MOV(Bb,Ib);
+ 0x17: MOV(Bv,Iv);
+ 0x18: decode OPCODE_OP_BOTTOM3 {
+ //0x0: group2_Eb_Ib();
+ 0x0: decode MODRM_REG {
+ 0x0: ROL(Eb,Ib);
+ 0x1: ROR(Eb,Ib);
+ 0x2: RCL(Eb,Ib);
+ 0x3: RCR(Eb,Ib);
+ 0x4: SAL(Eb,Ib);
+ 0x5: SHR(Eb,Ib);
+ 0x6: SAL(Eb,Ib);
+ 0x7: SAR(Eb,Ib);
+ }
+ //0x1: group2_Ev_Ib();
+ 0x1: decode MODRM_REG {
+ 0x0: ROL(Ev,Ib);
+ 0x1: ROR(Ev,Ib);
+ 0x2: RCL(Ev,Ib);
+ 0x3: RCR(Ev,Ib);
+ 0x4: SAL(Ev,Ib);
+ 0x5: SHR(Ev,Ib);
+ 0x6: SAL(Ev,Ib);
+ 0x7: SAR(Ev,Ib);
+ }
+ 0x2: RET_NEAR(Iw);
+ 0x3: RET_NEAR();
+ 0x4: decode MODE_SUBMODE {
+ 0x0: UD2();
+ default: WarnUnimpl::les_Gz_Mp();
+ }
+ 0x5: decode MODE_SUBMODE {
+ 0x0: UD2();
+ default: WarnUnimpl::lds_Gz_Mp();
+ }
+ //0x6: group12_Eb_Ib();
+ 0x6: decode MODRM_REG {
+ 0x0: MOV(Eb,Ib);
+ default: UD2();
+ }
+ //0x7: group12_Ev_Iz();
+ 0x7: decode MODRM_REG {
+ 0x0: MOV(Ev,Iz);
+ default: UD2();
}
}
- 0x19: decode OPCODE_OP_BOTTOM3 {
- 0x0: enter_Iw_Ib();
- 0x1: Inst::LEAVE();
- 0x2: ret_far_Iw();
- 0x3: ret_far();
- 0x4: int3();
- 0x5: int_Ib();
- 0x6: decode MODE_SUBMODE {
- 0x0: Inst::UD2();
- default: into();
+ format WarnUnimpl {
+ 0x19: decode OPCODE_OP_BOTTOM3 {
+ 0x0: enter_Iw_Ib();
+ 0x1: Inst::LEAVE();
+ 0x2: ret_far_Iw();
+ 0x3: ret_far();
+ 0x4: int3();
+ 0x5: int_Ib();
+ 0x6: decode MODE_SUBMODE {
+ 0x0: Inst::UD2();
+ default: into();
+ }
+ 0x7: iret();
}
- 0x7: iret();
}
0x1A: decode OPCODE_OP_BOTTOM3 {
- format Inst {
- //0x0: group2_Eb_1();
- 0x0: decode MODRM_REG {
- 0x0: ROL_1(Eb);
- 0x1: ROR_1(Eb);
- 0x2: RCL_1(Eb);
- 0x3: RCR_1(Eb);
- 0x4: SAL_1(Eb);
- 0x5: SHR_1(Eb);
- 0x6: SAL_1(Eb);
- 0x7: SAR_1(Eb);
- }
- //0x1: group2_Ev_1();
- 0x1: decode MODRM_REG {
- 0x0: ROL_1(Ev);
- 0x1: ROR_1(Ev);
- 0x2: RCL_1(Ev);
- 0x3: RCR_1(Ev);
- 0x4: SAL_1(Ev);
- 0x5: SHR_1(Ev);
- 0x6: SAL_1(Ev);
- 0x7: SAR_1(Ev);
- }
- //0x2: group2_Eb_Cl();
- 0x2: decode MODRM_REG {
- 0x0: ROL(Eb,rCb);
- 0x1: ROR(Eb,rCb);
- 0x2: RCL(Eb,rCb);
- 0x3: RCR(Eb,rCb);
- 0x4: SAL(Eb,rCb);
- 0x5: SHR(Eb,rCb);
- 0x6: SAL(Eb,rCb);
- 0x7: SAR(Eb,rCb);
- }
- //The second operand should have size "b", but to have
- //consistent register sizes it's "v". This shouldn't have
- //any affect on functionality.
- //0x3: group2_Ev_Cl();
- 0x3: decode MODRM_REG {
- 0x0: ROL(Ev,rCv);
- 0x1: ROR(Ev,rCv);
- 0x2: RCL(Ev,rCv);
- 0x3: RCR(Ev,rCv);
- 0x4: SAL(Ev,rCv);
- 0x5: SHR(Ev,rCv);
- 0x6: SAL(Ev,rCv);
- 0x7: SAR(Ev,rCv);
- }
+ //0x0: group2_Eb_1();
+ 0x0: decode MODRM_REG {
+ 0x0: ROL_1(Eb);
+ 0x1: ROR_1(Eb);
+ 0x2: RCL_1(Eb);
+ 0x3: RCR_1(Eb);
+ 0x4: SAL_1(Eb);
+ 0x5: SHR_1(Eb);
+ 0x6: SAL_1(Eb);
+ 0x7: SAR_1(Eb);
+ }
+ //0x1: group2_Ev_1();
+ 0x1: decode MODRM_REG {
+ 0x0: ROL_1(Ev);
+ 0x1: ROR_1(Ev);
+ 0x2: RCL_1(Ev);
+ 0x3: RCR_1(Ev);
+ 0x4: SAL_1(Ev);
+ 0x5: SHR_1(Ev);
+ 0x6: SAL_1(Ev);
+ 0x7: SAR_1(Ev);
+ }
+ //0x2: group2_Eb_Cl();
+ 0x2: decode MODRM_REG {
+ 0x0: ROL(Eb,rCb);
+ 0x1: ROR(Eb,rCb);
+ 0x2: RCL(Eb,rCb);
+ 0x3: RCR(Eb,rCb);
+ 0x4: SAL(Eb,rCb);
+ 0x5: SHR(Eb,rCb);
+ 0x6: SAL(Eb,rCb);
+ 0x7: SAR(Eb,rCb);
+ }
+ //The second operand should have size "b", but to have
+ //consistent register sizes it's "v". This shouldn't have
+ //any affect on functionality.
+ //0x3: group2_Ev_Cl();
+ 0x3: decode MODRM_REG {
+ 0x0: ROL(Ev,rCv);
+ 0x1: ROR(Ev,rCv);
+ 0x2: RCL(Ev,rCv);
+ 0x3: RCR(Ev,rCv);
+ 0x4: SAL(Ev,rCv);
+ 0x5: SHR(Ev,rCv);
+ 0x6: SAL(Ev,rCv);
+ 0x7: SAR(Ev,rCv);
}
0x4: decode MODE_SUBMODE {
- 0x0: Inst::UD2();
- default: aam_Ib();
+ 0x0: UD2();
+ default: WarnUnimpl::aam_Ib();
}
0x5: decode MODE_SUBMODE {
- 0x0: Inst::UD2();
- default: aad_Ib();
+ 0x0: UD2();
+ default: WarnUnimpl::aad_Ib();
}
0x6: decode MODE_SUBMODE {
- 0x0: Inst::UD2();
- default: salc();
+ 0x0: UD2();
+ default: WarnUnimpl::salc();
}
- 0x7: xlat();
+ 0x7: WarnUnimpl::xlat();
}
##include "x87.isa"
0x1C: decode OPCODE_OP_BOTTOM3 {
- 0x0: Inst::LOOPNE(Jb);
- 0x1: Inst::LOOPE(Jb);
- 0x2: Inst::LOOP(Jb);
- 0x3: Inst::JRCX(Jb);
- 0x4: Inst::IN(rAb,Ib);
- 0x5: Inst::IN(rAv,Iv);
- 0x6: Inst::OUT(Ib,rAb);
- 0x7: Inst::OUT(Iv,rAv);
+ 0x0: LOOPNE(Jb);
+ 0x1: LOOPE(Jb);
+ 0x2: LOOP(Jb);
+ 0x3: JRCX(Jb);
+ 0x4: IN(rAb,Ib);
+ 0x5: IN(rAv,Iv);
+ 0x6: OUT(Ib,rAb);
+ 0x7: OUT(Iv,rAv);
}
0x1D: decode OPCODE_OP_BOTTOM3 {
- 0x0: Inst::CALL_NEAR(Jz);
- 0x1: Inst::JMP(Jz);
+ 0x0: CALL_NEAR(Jz);
+ 0x1: JMP(Jz);
0x2: decode MODE_SUBMODE {
- 0x0: Inst::UD2();
- default: jmp_far_Ap();
- }
- 0x3: Inst::JMP(Jb);
- 0x4: Inst::IN(rAb,rD);
- 0x5: Inst::IN(rAv,rD);
- 0x6: Inst::OUT(rD,rAb);
- 0x7: Inst::OUT(rD,rAv);
+ 0x0: UD2();
+ default: WarnUnimpl::jmp_far_Ap();
+ }
+ 0x3: JMP(Jb);
+ 0x4: IN(rAb,rD);
+ 0x5: IN(rAv,rD);
+ 0x6: OUT(rD,rAb);
+ 0x7: OUT(rD,rAv);
}
0x1E: decode OPCODE_OP_BOTTOM3 {
0x0: M5InternalError::error(
{{"Tried to execute the lock prefix!"}});
- 0x1: int1();
+ 0x1: WarnUnimpl::int1();
0x2: M5InternalError::error(
{{"Tried to execute the repne prefix!"}});
0x3: M5InternalError::error(
{{"Tried to execute the rep/repe prefix!"}});
- 0x4: hlt();
- format Inst {
- 0x5: CMC();
- //0x6: group3_Eb();
- 0x6: decode MODRM_REG {
- 0x0: TEST(Eb,Iz);
- 0x1: TEST(Eb,Iz);
- 0x2: NOT(Eb);
- 0x3: NEG(Eb);
- 0x4: MUL_B(Eb);
- 0x5: IMUL_B(Eb);
- //This should be Eb, but it access the entire word value ax.
- 0x6: DIV_B(Ew);
- 0x7: IDIV(Eb);
- }
- //0x7: group3_Ev();
- 0x7: decode MODRM_REG {
- 0x0: TEST(Ev,Iz);
- 0x1: TEST(Ev,Iz);
- 0x2: NOT(Ev);
- 0x3: NEG(Ev);
- 0x4: MUL(Ev);
- 0x5: IMUL(Ev);
- 0x6: DIV(Ev);
- 0x7: IDIV(Ev);
- }
+ 0x4: WarnUnimpl::hlt();
+ 0x5: CMC();
+ //0x6: group3_Eb();
+ 0x6: decode MODRM_REG {
+ 0x0: TEST(Eb,Iz);
+ 0x1: TEST(Eb,Iz);
+ 0x2: NOT(Eb);
+ 0x3: NEG(Eb);
+ 0x4: MUL_B(Eb);
+ 0x5: IMUL_B(Eb);
+ //This should be Eb, but it access the entire word value ax.
+ 0x6: DIV_B(Ew);
+ 0x7: IDIV(Eb);
+ }
+ //0x7: group3_Ev();
+ 0x7: decode MODRM_REG {
+ 0x0: TEST(Ev,Iz);
+ 0x1: TEST(Ev,Iz);
+ 0x2: NOT(Ev);
+ 0x3: NEG(Ev);
+ 0x4: MUL(Ev);
+ 0x5: IMUL(Ev);
+ 0x6: DIV(Ev);
+ 0x7: IDIV(Ev);
}
}
0x1F: decode OPCODE_OP_BOTTOM3 {
- format Inst {
- 0x0: CLC();
- 0x1: STC();
- 0x2: WarnUnimpl::cli();
- 0x3: WarnUnimpl::sti();
- 0x4: CLD();
- 0x5: STD();
- //0x6: group4();
- 0x6: decode MODRM_REG {
- 0x0: INC(Eb);
- 0x1: DEC(Eb);
- default: UD2();
- }
- //0x7: group5();
- 0x7: decode MODRM_REG {
- 0x0: INC(Ev);
- 0x1: DEC(Ev);
- 0x2: CALL_NEAR(Ev);
- 0x3: WarnUnimpl::call_far_Mp();
- 0x4: JMP(Ev);
- 0x5: WarnUnimpl::jmp_far_Mp();
- 0x6: PUSH(Ev);
- 0x7: UD2();
- }
+ 0x0: CLC();
+ 0x1: STC();
+ 0x2: WarnUnimpl::cli();
+ 0x3: WarnUnimpl::sti();
+ 0x4: CLD();
+ 0x5: STD();
+ //0x6: group4();
+ 0x6: decode MODRM_REG {
+ 0x0: INC(Eb);
+ 0x1: DEC(Eb);
+ default: UD2();
+ }
+ //0x7: group5();
+ 0x7: decode MODRM_REG {
+ 0x0: INC(Ev);
+ 0x1: DEC(Ev);
+ 0x2: CALL_NEAR(Ev);
+ 0x3: WarnUnimpl::call_far_Mp();
+ 0x4: JMP(Ev);
+ 0x5: WarnUnimpl::jmp_far_Mp();
+ 0x6: PUSH(Ev);
+ 0x7: UD2();
}
}
}
diff --git a/src/arch/x86/isa/decoder/x87.isa b/src/arch/x86/isa/decoder/x87.isa
index 667a8a66e..9a6473141 100644
--- a/src/arch/x86/isa/decoder/x87.isa
+++ b/src/arch/x86/isa/decoder/x87.isa
@@ -53,294 +53,296 @@
//
// Authors: Gabe Black
-0x1B: decode OPCODE_OP_BOTTOM3 {
- //0x0: esc0();
- 0x0: decode MODRM_REG {
- 0x0: fadd();
- 0x1: fmul();
- 0x2: fcom();
- 0x3: fcomp();
- 0x4: fsub();
- 0x5: fsubr();
- 0x6: fdiv();
- 0x7: fdivr();
- }
- //0x1: esc1();
- 0x1: decode MODRM_REG {
- 0x0: fld();
- 0x1: decode MODRM_MOD {
- 0x3: fxch();
- default: Inst::UD2();
- }
- 0x2: decode MODRM_MOD {
- 0x3: decode MODRM_RM {
- 0x0: fnop();
+format WarnUnimpl {
+ 0x1B: decode OPCODE_OP_BOTTOM3 {
+ //0x0: esc0();
+ 0x0: decode MODRM_REG {
+ 0x0: fadd();
+ 0x1: fmul();
+ 0x2: fcom();
+ 0x3: fcomp();
+ 0x4: fsub();
+ 0x5: fsubr();
+ 0x6: fdiv();
+ 0x7: fdivr();
+ }
+ //0x1: esc1();
+ 0x1: decode MODRM_REG {
+ 0x0: fld();
+ 0x1: decode MODRM_MOD {
+ 0x3: fxch();
default: Inst::UD2();
}
- default: fst();
- }
- 0x3: decode MODRM_MOD {
- 0x3: Inst::UD2();
- default: fstp();
- }
- 0x4: decode MODRM_MOD {
- 0x3: decode MODRM_RM {
- 0x0: fchs();
- 0x1: fabs();
- 0x4: ftst();
- 0x5: fxam();
- default: Inst::UD2();
+ 0x2: decode MODRM_MOD {
+ 0x3: decode MODRM_RM {
+ 0x0: fnop();
+ default: Inst::UD2();
+ }
+ default: fst();
}
- default: fldenv();
- }
- 0x5: decode MODRM_MOD {
- 0x3: decode MODRM_RM {
- 0x0: fld1();
- 0x1: fldl2t();
- 0x2: fldl2e();
- 0x3: fldpi();
- 0x4: fldlg2();
- 0x5: fldln2();
- 0x6: fldz();
- }
- default: fldcw_Mw();
- }
- 0x6: decode MODRM_MOD {
- 0x3: decode MODRM_RM {
- 0x0: f2xm1();
- 0x1: fyl2x();
- 0x2: fptan();
- 0x3: fpatan();
- 0x4: fxtract();
- 0x5: fprem1();
- 0x6: fdecstp();
- 0x7: fincstp();
- }
- default: fnstenv();
- }
- 0x7: decode MODRM_MOD {
- 0x3: decode MODRM_RM {
- 0x0: fprem();
- 0x1: fyl2xp1();
- 0x2: fsqrt();
- 0x3: fsincos();
- 0x4: frndint();
- 0x5: fscale();
- 0x6: fsin();
- 0x7: fcos();
- }
- default: fnstcw_Mw();
- }
- }
- //0x2: esc2();
- 0x2: decode MODRM_REG {
- 0x0: decode MODRM_MOD {
- 0x3: fcmovb();
- default: fiadd();
- }
- 0x1: decode MODRM_MOD {
- 0x3: fcmove();
- default: fimul();
- }
- 0x2: decode MODRM_MOD {
- 0x3: fcmovbe();
- default: ficom();
- }
- 0x3: decode MODRM_MOD {
- 0x3: fcmovu();
- default: ficomp();
- }
- 0x4: decode MODRM_MOD {
- 0x3: Inst::UD2();
- default: fisub();
- }
- 0x5: decode MODRM_MOD {
- 0x3: decode MODRM_RM {
- 0x1: fucompp();
- default: Inst::UD2();
+ 0x3: decode MODRM_MOD {
+ 0x3: Inst::UD2();
+ default: fstp();
+ }
+ 0x4: decode MODRM_MOD {
+ 0x3: decode MODRM_RM {
+ 0x0: fchs();
+ 0x1: fabs();
+ 0x4: ftst();
+ 0x5: fxam();
+ default: Inst::UD2();
+ }
+ default: fldenv();
+ }
+ 0x5: decode MODRM_MOD {
+ 0x3: decode MODRM_RM {
+ 0x0: fld1();
+ 0x1: fldl2t();
+ 0x2: fldl2e();
+ 0x3: fldpi();
+ 0x4: fldlg2();
+ 0x5: fldln2();
+ 0x6: fldz();
+ }
+ default: fldcw_Mw();
+ }
+ 0x6: decode MODRM_MOD {
+ 0x3: decode MODRM_RM {
+ 0x0: f2xm1();
+ 0x1: fyl2x();
+ 0x2: fptan();
+ 0x3: fpatan();
+ 0x4: fxtract();
+ 0x5: fprem1();
+ 0x6: fdecstp();
+ 0x7: fincstp();
+ }
+ default: fnstenv();
+ }
+ 0x7: decode MODRM_MOD {
+ 0x3: decode MODRM_RM {
+ 0x0: fprem();
+ 0x1: fyl2xp1();
+ 0x2: fsqrt();
+ 0x3: fsincos();
+ 0x4: frndint();
+ 0x5: fscale();
+ 0x6: fsin();
+ 0x7: fcos();
+ }
+ default: fnstcw_Mw();
}
- default: fisubr();
- }
- 0x6: decode MODRM_MOD {
- 0x3: Inst::UD2();
- default: fidiv();
- }
- 0x7: decode MODRM_MOD {
- 0x3: Inst::UD2();
- default: fidivr();
- }
- }
- //0x3: esc3();
- 0x3: decode MODRM_REG {
- 0x0: decode MODRM_MOD {
- 0x3: fcmovnb();
- default: fild();
- }
- 0x1: decode MODRM_MOD {
- 0x3: fcmovne();
- default: fisttp();
- }
- 0x2: decode MODRM_MOD {
- 0x3: fcmovnbe();
- default: fist();
}
- 0x3: decode MODRM_MOD {
- 0x3: fcmovnu();
- default: fistp();
+ //0x2: esc2();
+ 0x2: decode MODRM_REG {
+ 0x0: decode MODRM_MOD {
+ 0x3: fcmovb();
+ default: fiadd();
+ }
+ 0x1: decode MODRM_MOD {
+ 0x3: fcmove();
+ default: fimul();
+ }
+ 0x2: decode MODRM_MOD {
+ 0x3: fcmovbe();
+ default: ficom();
+ }
+ 0x3: decode MODRM_MOD {
+ 0x3: fcmovu();
+ default: ficomp();
+ }
+ 0x4: decode MODRM_MOD {
+ 0x3: Inst::UD2();
+ default: fisub();
+ }
+ 0x5: decode MODRM_MOD {
+ 0x3: decode MODRM_RM {
+ 0x1: fucompp();
+ default: Inst::UD2();
+ }
+ default: fisubr();
+ }
+ 0x6: decode MODRM_MOD {
+ 0x3: Inst::UD2();
+ default: fidiv();
+ }
+ 0x7: decode MODRM_MOD {
+ 0x3: Inst::UD2();
+ default: fidivr();
+ }
}
- 0x4: decode MODRM_MOD {
- 0x3: decode MODRM_RM {
- 0x2: fnclex();
- 0x3: fninit();
+ //0x3: esc3();
+ 0x3: decode MODRM_REG {
+ 0x0: decode MODRM_MOD {
+ 0x3: fcmovnb();
+ default: fild();
+ }
+ 0x1: decode MODRM_MOD {
+ 0x3: fcmovne();
+ default: fisttp();
+ }
+ 0x2: decode MODRM_MOD {
+ 0x3: fcmovnbe();
+ default: fist();
+ }
+ 0x3: decode MODRM_MOD {
+ 0x3: fcmovnu();
+ default: fistp();
+ }
+ 0x4: decode MODRM_MOD {
+ 0x3: decode MODRM_RM {
+ 0x2: fnclex();
+ 0x3: fninit();
+ default: Inst::UD2();
+ }
default: Inst::UD2();
}
- default: Inst::UD2();
- }
- 0x5: decode MODRM_MOD {
- 0x3: fucomi();
- default: fld();
- }
- 0x6: decode MODRM_MOD {
- 0x3: fcomi();
- default: Inst::UD2();
- }
- 0x7: decode MODRM_MOD {
- 0x3: Inst::UD2();
- default: fstp();
- }
- }
- //0x4: esc4();
- 0x4: decode MODRM_REG {
- 0x0: fadd();
- 0x1: fmul();
- 0x2: decode MODRM_MOD {
- 0x3: Inst::UD2();
- default: fcom();
- }
- 0x3: decode MODRM_MOD {
- 0x3: Inst::UD2();
- default: fcomp();
- }
- 0x4: decode MODRM_MOD {
- 0x3: fsubr();
- default: fsub();
- }
- 0x5: decode MODRM_MOD {
- 0x3: fsub();
- default: fsubr();
- }
- 0x6: decode MODRM_MOD {
- 0x3: fdivr();
- default: fdiv();
- }
- 0x7: decode MODRM_MOD {
- 0x3: fdiv();
- default: fdivr();
- }
- }
- //0x5: esc5();
- 0x5: decode MODRM_REG {
- 0x0: decode MODRM_MOD {
- 0x3: ffree();
- default: Inst::FLD(Mq);
- }
- 0x1: decode MODRM_MOD {
- 0x3: Inst::UD2();
- default: fisttp();
- }
- 0x2: Inst::FST(Mq);
- 0x3: Inst::FSTP(Mq);
- 0x4: decode MODRM_MOD {
- 0x3: fucom();
- default: frstor();
- }
- 0x5: decode MODRM_MOD {
- 0x3: fucomp();
- default: Inst::UD2();
- }
- 0x6: decode MODRM_MOD {
- 0x3: Inst::UD2();
- default: fnsave();
- }
- 0x7: decode MODRM_MOD {
- 0x3: Inst::UD2();
- default: fnstsw();
- }
- }
- //0x6: esc6();
- 0x6: decode MODRM_REG {
- 0x0: decode MODRM_MOD {
- 0x3: faddp();
- default: fiadd();
- }
- 0x1: decode MODRM_MOD {
- 0x3: fmulp();
- default: fimul();
- }
- 0x2: decode MODRM_MOD {
- 0x3: Inst::UD2();
- default: ficom();
- }
- 0x3: decode MODRM_MOD {
- 0x3: decode MODRM_RM {
- 0x1: fcompp();
+ 0x5: decode MODRM_MOD {
+ 0x3: fucomi();
+ default: fld();
+ }
+ 0x6: decode MODRM_MOD {
+ 0x3: fcomi();
default: Inst::UD2();
}
- default: ficomp();
- }
- 0x4: decode MODRM_MOD {
- 0x3: fsubrp();
- default: fisub();
- }
- 0x5: decode MODRM_MOD {
- 0x3: fsubp();
- default: fisubr();
- }
- 0x6: decode MODRM_MOD {
- 0x3: fdivrp();
- default: fidiv();
- }
- 0x7: decode MODRM_MOD {
- 0x3: fdivp();
- default: fidivr();
- }
- }
- //0x7: esc7();
- 0x7: decode MODRM_REG {
- 0x0: decode MODRM_MOD {
- 0x3: Inst::UD2();
- default: fild();
- }
- 0x1: decode MODRM_MOD {
- 0x3: Inst::UD2();
- default: fisttp();
- }
- 0x2: decode MODRM_MOD {
- 0x3: Inst::UD2();
- default: fist();
+ 0x7: decode MODRM_MOD {
+ 0x3: Inst::UD2();
+ default: fstp();
+ }
}
- 0x3: decode MODRM_MOD {
- 0x3: Inst::UD2();
- default: fistp();
+ //0x4: esc4();
+ 0x4: decode MODRM_REG {
+ 0x0: fadd();
+ 0x1: fmul();
+ 0x2: decode MODRM_MOD {
+ 0x3: Inst::UD2();
+ default: fcom();
+ }
+ 0x3: decode MODRM_MOD {
+ 0x3: Inst::UD2();
+ default: fcomp();
+ }
+ 0x4: decode MODRM_MOD {
+ 0x3: fsubr();
+ default: fsub();
+ }
+ 0x5: decode MODRM_MOD {
+ 0x3: fsub();
+ default: fsubr();
+ }
+ 0x6: decode MODRM_MOD {
+ 0x3: fdivr();
+ default: fdiv();
+ }
+ 0x7: decode MODRM_MOD {
+ 0x3: fdiv();
+ default: fdivr();
+ }
}
- 0x4: decode MODRM_MOD {
- 0x3: decode MODRM_RM {
- 0x0: fnstsw();
+ //0x5: esc5();
+ 0x5: decode MODRM_REG {
+ 0x0: decode MODRM_MOD {
+ 0x3: ffree();
+ default: Inst::FLD(Mq);
+ }
+ 0x1: decode MODRM_MOD {
+ 0x3: Inst::UD2();
+ default: fisttp();
+ }
+ 0x2: Inst::FST(Mq);
+ 0x3: Inst::FSTP(Mq);
+ 0x4: decode MODRM_MOD {
+ 0x3: fucom();
+ default: frstor();
+ }
+ 0x5: decode MODRM_MOD {
+ 0x3: fucomp();
default: Inst::UD2();
}
- default: fbld();
- }
- 0x5: decode MODRM_MOD {
- 0x3: fucomip();
- default: fild();
+ 0x6: decode MODRM_MOD {
+ 0x3: Inst::UD2();
+ default: fnsave();
+ }
+ 0x7: decode MODRM_MOD {
+ 0x3: Inst::UD2();
+ default: fnstsw();
+ }
}
- 0x6: decode MODRM_MOD {
- 0x3: fcomip();
- default: fbstp();
+ //0x6: esc6();
+ 0x6: decode MODRM_REG {
+ 0x0: decode MODRM_MOD {
+ 0x3: faddp();
+ default: fiadd();
+ }
+ 0x1: decode MODRM_MOD {
+ 0x3: fmulp();
+ default: fimul();
+ }
+ 0x2: decode MODRM_MOD {
+ 0x3: Inst::UD2();
+ default: ficom();
+ }
+ 0x3: decode MODRM_MOD {
+ 0x3: decode MODRM_RM {
+ 0x1: fcompp();
+ default: Inst::UD2();
+ }
+ default: ficomp();
+ }
+ 0x4: decode MODRM_MOD {
+ 0x3: fsubrp();
+ default: fisub();
+ }
+ 0x5: decode MODRM_MOD {
+ 0x3: fsubp();
+ default: fisubr();
+ }
+ 0x6: decode MODRM_MOD {
+ 0x3: fdivrp();
+ default: fidiv();
+ }
+ 0x7: decode MODRM_MOD {
+ 0x3: fdivp();
+ default: fidivr();
+ }
}
- 0x7: decode MODRM_MOD {
- 0x3: Inst::UD2();
- default: fistp();
+ //0x7: esc7();
+ 0x7: decode MODRM_REG {
+ 0x0: decode MODRM_MOD {
+ 0x3: Inst::UD2();
+ default: fild();
+ }
+ 0x1: decode MODRM_MOD {
+ 0x3: Inst::UD2();
+ default: fisttp();
+ }
+ 0x2: decode MODRM_MOD {
+ 0x3: Inst::UD2();
+ default: fist();
+ }
+ 0x3: decode MODRM_MOD {
+ 0x3: Inst::UD2();
+ default: fistp();
+ }
+ 0x4: decode MODRM_MOD {
+ 0x3: decode MODRM_RM {
+ 0x0: fnstsw();
+ default: Inst::UD2();
+ }
+ default: fbld();
+ }
+ 0x5: decode MODRM_MOD {
+ 0x3: fucomip();
+ default: fild();
+ }
+ 0x6: decode MODRM_MOD {
+ 0x3: fcomip();
+ default: fbstp();
+ }
+ 0x7: decode MODRM_MOD {
+ 0x3: Inst::UD2();
+ default: fistp();
+ }
}
}
}