# x86 Opcode Maps # # # Table: table-name # Referrer: escaped-name # opcode: mnemonic|GrpXXX [operand1[,operand2...]] [(extra1)[,(extra2)...] [| 2nd-mnemonic ...] # (or) # opcode: escape # escaped-name # EndTable # # # GrpTable: GrpXXX # reg: mnemonic [operand1[,operand2...]] [(extra1)[,(extra2)...] [| 2nd-mnemonic ...] # EndTable # Table: one byte opcode Referrer: # 0x00 - 0x0f 00: ADD Eb,Gb 01: ADD Ev,Gv 02: ADD Gb,Eb 03: ADD Gv,Ev 04: ADD AL,Ib 05: ADD rAX,Iz 06: PUSH ES (i64) 07: POP ES (i64) 08: OR Eb,Gb 09: OR Ev,Gv 0a: OR Gb,Eb 0b: OR Gv,Ev 0c: OR AL,Ib 0d: OR rAX,Iz 0e: PUSH CS (i64) 0f: escape # 2-byte escape # 0x10 - 0x1f 10: ADC Eb,Gb 11: ADC Ev,Gv 12: ADC Gb,Eb 13: ADC Gv,Ev 14: ADC AL,Ib 15: ADC rAX,Iz 16: PUSH SS (i64) 17: POP SS (i64) 18: SBB Eb,Gb 19: SBB Ev,Gv 1a: SBB Gb,Eb 1b: SBB Gv,Ev 1c: SBB AL,Ib 1d: SBB rAX,Iz 1e: PUSH DS (i64) 1f: POP DS (i64) # 0x20 - 0x2f 20: AND Eb,Gb 21: AND Ev,Gv 22: AND Gb,Eb 23: AND Gv,Ev 24: AND AL,Ib 25: AND rAx,Iz 26: SEG=ES (Prefix) 27: DAA (i64) 28: SUB Eb,Gb 29: SUB Ev,Gv 2a: SUB Gb,Eb 2b: SUB Gv,Ev 2c: SUB AL,Ib 2d: SUB rAX,Iz 2e: SEG=CS (Prefix) 2f: DAS (i64) # 0x30 - 0x3f 30: XOR Eb,Gb 31: XOR Ev,Gv 32: XOR Gb,Eb 33: XOR Gv,Ev 34: XOR AL,Ib 35: XOR rAX,Iz 36: SEG=SS (Prefix) 37: AAA (i64) 38: CMP Eb,Gb 39: CMP Ev,Gv 3a: CMP Gb,Eb 3b: CMP Gv,Ev 3c: CMP AL,Ib 3d: CMP rAX,Iz 3e: SEG=DS (Prefix) 3f: AAS (i64) # 0x40 - 0x4f 40: INC eAX (i64) | REX (o64) 41: INC eCX (i64) | REX.B (o64) 42: INC eDX (i64) | REX.X (o64) 43: INC eBX (i64) | REX.XB (o64) 44: INC eSP (i64) | REX.R (o64) 45: INC eBP (i64) | REX.RB (o64) 46: INC eSI (i64) | REX.RX (o64) 47: INC eDI (i64) | REX.RXB (o64) 48: DEC eAX (i64) | REX.W (o64) 49: DEC eCX (i64) | REX.WB (o64) 4a: DEC eDX (i64) | REX.WX (o64) 4b: DEC eBX (i64) | REX.WXB (o64) 4c: DEC eSP (i64) | REX.WR (o64) 4d: DEC eBP (i64) | REX.WRB (o64) 4e: DEC eSI (i64) | REX.WRX (o64) 4f: DEC eDI (i64) | REX.WRXB (o64) # 0x50 - 0x5f 50: PUSH rAX/r8 (d64) 51: PUSH rCX/r9 (d64) 52: PUSH rDX/r10 (d64) 53: PUSH rBX/r11 (d64) 54: PUSH rSP/r12 (d64) 55: PUSH rBP/r13 (d64) 56: PUSH rSI/r14 (d64) 57: PUSH rDI/r15 (d64) 58: POP rAX/r8 (d64) 59: POP rCX/r9 (d64) 5a: POP rDX/r10 (d64) 5b: POP rBX/r11 (d64) 5c: POP rSP/r12 (d64) 5d: POP rBP/r13 (d64) 5e: POP rSI/r14 (d64) 5f: POP rDI/r15 (d64) # 0x60 - 0x6f 60: PUSHA/PUSHAD (i64) 61: POPA/POPAD (i64) 62: BOUND Gv,Ma (i64) 63: ARPL Ew,Gw (i64) | MOVSXD Gv,Ev (o64) 64: SEG=FS (Prefix) 65: SEG=GS (Prefix) 66: Operand-Size (Prefix) 67: Address-Size (Prefix) 68: PUSH Iz (d64) 69: IMUL Gv,Ev,Iz 6a: PUSH Ib (d64) 6b: IMUL Gv,Ev,Ib 6c: INS/INSB Yb,DX 6d: INS/INSW/INSD Yz,DX 6e: OUTS/OUTSB DX,Xb 6f: OUTS/OUTSW/OUTSD DX,Xz # 0x70 - 0x7f 70: JO Jb 71: JNO Jb 72: JB/JNAE/JC Jb 73: JNB/JAE/JNC Jb 74: JZ/JE Jb 75: JNZ/JNE Jb 76: JBE/JNA Jb 77: JNBE/JA Jb 78: JS Jb 79: JNS Jb 7a: JP/JPE Jb 7b: JNP/JPO Jb 7c: JL/JNGE Jb 7d: JNL/JGE Jb 7e: JLE/JNG Jb 7f: JNLE/JG Jb # 0x80 - 0x8f 80: Grp1 Eb,Ib (1A) 81: Grp1 Ev,Iz (1A) 82: Grp1 Eb,Ib (1A),(i64) 83: Grp1 Ev,Ib (1A) 84: TEST Eb,Gb 85: TEST Ev,Gv 86: XCHG Eb,Gb 87: XCHG Ev,Gv 88: MOV Eb,Gb 89: MOV Ev,Gv 8a: MOV Gb,Eb 8b: MOV Gv,Ev 8c: MOV Ev,Sw 8d: LEA Gv,M 8e: MOV Sw,Ew 8f: Grp1A (1A) | POP Ev (d64) # 0x90 - 0x9f 90: NOP | PAUSE (F3) | XCHG r8,rAX 91: XCHG rCX/r9,rAX 92: XCHG rDX/r10,rAX 93: XCHG rBX/r11,rAX 94: XCHG rSP/r12,rAX 95: XCHG rBP/r13,rAX 96: XCHG rSI/r14,rAX 97: XCHG rDI/r15,rAX 98: CBW/CWDE/CDQE 99: CWD/CDQ/CQO 9a: CALLF Ap (i64) 9b: FWAIT/WAIT 9c: PUSHF/D/Q Fv (d64) 9d: POPF/D/Q Fv (d64) 9e: SAHF 9f: LAHF # 0xa0 - 0xaf a0: MOV AL,Ob a1: MOV rAX,Ov a2: MOV Ob,AL a3: MOV Ov,rAX a4: MOVS/B Xb,Yb a5: MOVS/W/D/Q Xv,Yv a6: CMPS/B Xb,Yb a7: CMPS/W/D Xv,Yv a8: TEST AL,Ib a9: TEST rAX,Iz aa: STOS/B Yb,AL ab: STOS/W/D/Q Yv,rAX ac: LODS/B AL,Xb ad: LODS/W/D/Q rAX,Xv ae: SCAS/B AL,Yb af: SCAS/W/D/Q rAX,Xv # 0xb0 - 0xbf b0: MOV AL/R8L,Ib b1: MOV CL/R9L,Ib b2: MOV DL/R10L,Ib b3: MOV BL/R11L,Ib b4: MOV AH/R12L,Ib b5: MOV CH/R13L,Ib b6: MOV DH/R14L,Ib b7: MOV BH/R15L,Ib b8: MOV rAX/r8,Iv b9: MOV rCX/r9,Iv ba: MOV rDX/r10,Iv bb: MOV rBX/r11,Iv bc: MOV rSP/r12,Iv bd: MOV rBP/r13,Iv be: MOV rSI/r14,Iv bf: MOV rDI/r15,Iv # 0xc0 - 0xcf c0: Grp2 Eb,Ib (1A) c1: Grp2 Ev,Ib (1A) c2: RETN Iw (f64) c3: RETN c4: LES Gz,Mp (i64) c5: LDS Gz,Mp (i64) c6: Grp11 Eb,Ib (1A) c7: Grp11 Ev,Iz (1A) c8: ENTER Iw,Ib c9: LEAVE (d64) ca: RETF Iw cb: RETF cc: INT3 cd: INT Ib ce: INTO (i64) cf: IRET/D/Q # 0xd0 - 0xdf d0: Grp2 Eb,1 (1A) d1: Grp2 Ev,1 (1A) d2: Grp2 Eb,CL (1A) d3: Grp2 Ev,CL (1A) d4: AAM Ib (i64) d5: AAD Ib (i64) d6: d7: XLAT/XLATB d8: ESC d9: ESC da: ESC db: ESC dc: ESC dd: ESC de: ESC df: ESC # 0xe0 - 0xef e0: LOOPNE/LOOPNZ Jb (f64) e1: LOOPE/LOOPZ Jb (f64) e2: LOOP Jb (f64) e3: JrCXZ Jb (f64) e4: IN AL,Ib e5: IN eAX,Ib e6: OUT Ib,AL e7: OUT Ib,eAX e8: CALL Jz (f64) e9: JMP-near Jz (f64) ea: JMP-far Ap (i64) eb: JMP-short Jb (f64) ec: IN AL,DX ed: IN eAX,DX ee: OUT DX,AL ef: OUT DX,eAX # 0xf0 - 0xff f0: LOCK (Prefix) f1: f2: REPNE (Prefix) f3: REP/REPE (Prefix) f4: HLT f5: CMC f6: Grp3_1 Eb (1A) f7: Grp3_2 Ev (1A) f8: CLC f9: STC fa: CLI fb: STI fc: CLD fd: STD fe: Grp4 (1A) ff: Grp5 (1A) EndTable Table: 2-byte opcode # First Byte is 0x0f Referrer: 2-byte escape # 0x0f 0x00-0x0f 00: Grp6 (1A) 01: Grp7 (1A) 02: LAR Gv,Ew 03: LSL Gv,Ew 04: 05: SYSCALL (o64) 06: CLTS 07: SYSRET (o64) 08: INVD 09: WBINVD 0a: 0b: UD2 (1B) 0c: 0d: NOP Ev 0e: 0f: # 0x0f 0x10-0x1f 10: 11: 12: 13: 14: 15: 16: 17: 18: Grp16 (1A) 19: 1a: 1b: 1c: 1d: 1e: 1f: NOP Ev # 0x0f 0x20-0x2f 20: MOV Rd,Cd 21: MOV Rd,Dd 22: MOV Cd,Rd 23: MOV Dd,Rd 24: 25: 26: 27: 28: movaps Vps,Wps | movapd Vpd,Wpd (66) 29: movaps Wps,Vps | movapd Wpd,Vpd (66) 2a: 2b: 2c: 2d: 2e: 2f: # 0x0f 0x30-0x3f 30: WRMSR 31: RDTSC 32: RDMSR 33: RDPMC 34: SYSENTER 35: SYSEXIT 36: 37: GETSEC 38: escape # 3-byte escape 1 39: 3a: escape # 3-byte escape 2 3b: 3c: 3d: 3e: 3f: # 0x0f 0x40-0x4f 40: CMOVO Gv,Ev 41: CMOVNO Gv,Ev 42: CMOVB/C/NAE Gv,Ev 43: CMOVAE/NB/NC Gv,Ev 44: CMOVE/Z Gv,Ev 45: CMOVNE/NZ Gv,Ev 46: CMOVBE/NA Gv,Ev 47: CMOVA/NBE Gv,Ev 48: CMOVS Gv,Ev 49: CMOVNS Gv,Ev 4a: CMOVP/PE Gv,Ev 4b: CMOVNP/PO Gv,Ev 4c: CMOVL/NGE Gv,Ev 4d: CMOVNL/GE Gv,Ev 4e: CMOVLE/NG Gv,Ev 4f: CMOVNLE/G Gv,Ev # 0x0f 0x50-0x5f 50: 51: 52: 53: 54: 55: 56: 57: 58: 59: 5a: 5b: 5c: 5d: 5e: 5f: # 0x0f 0x60-0x6f 60: 61: 62: 63: 64: 65: 66: 67: 68: 69: 6a: 6b: 6c: 6d: 6e: 6f: # 0x0f 0x70-0x7f 70: 71: Grp12 (1A) 72: Grp13 (1A) 73: Grp14 (1A) 74: 75: 76: 77: 78: VMREAD Ed/q,Gd/q 79: VMWRITE Gd/q,Ed/q 7a: 7b: 7c: 7d: 7e: 7f: # 0x0f 0x80-0x8f 80: JO Jz (f64) 81: JNO Jz (f64) 82: JB/JNAE/JC Jz (f64) 83: JNB/JAE/JNC Jz (f64) 84: JZ/JE Jz (f64) 85: JNZ/JNE Jz (f64) 86: JBE/JNA Jz (f64) 87: JNBE/JA Jz (f64) 88: JS Jz (f64) 89: JNS Jz (f64) 8a: JP/JPE Jz (f64) 8b: JNP/JPO Jz (f64) 8c: JL/JNGE Jz (f64) 8d: JNL/JGE Jz (f64) 8e: JLE/JNG Jz (f64) 8f: JNLE/JG Jz (f64) # 0x0f 0x90-0x9f 90: SETO Eb 91: SETNO Eb 92: SETB/C/NAE Eb 93: SETAE/NB/NC Eb 94: SETE/Z Eb 95: SETNE/NZ Eb 96: SETBE/NA Eb 97: SETA/NBE Eb 98: SETS Eb 99: SETNS Eb 9a: SETP/PE Eb 9b: SETNP/PO Eb 9c: SETL/NGE Eb 9d: SETNL/GE Eb 9e: SETLE/NG Eb 9f: SETNLE/G Eb # 0x0f 0xa0-0xaf a0: PUSH FS (d64) a1: POP FS (d64) a2: CPUID a3: BT Ev,Gv a4: SHLD Ev,Gv,Ib a5: SHLD Ev,Gv,CL a6: a7: GrpRNG a8: PUSH GS (d64) a9: POP GS (d64) aa: RSM ab: BTS Ev,Gv ac: SHRD Ev,Gv,Ib ad: SHRD Ev,Gv,CL ae: Grp15 (1A),(1C) af: IMUL Gv,Ev # 0x0f 0xb0-0xbf b0: CMPXCHG Eb,Gb b1: CMPXCHG Ev,Gv b2: LSS Gv,Mp b3: BTR Ev,Gv b4: LFS Gv,Mp b5: LGS Gv,Mp b6: MOVZX Gv,Eb b7: MOVZX Gv,Ew b8: JMPE | POPCNT Gv,Ev (F3) b9: Grp10 (1A) ba: Grp8 Ev,Ib (1A) bb: BTC Ev,Gv bc: BSF Gv,Ev bd: BSR Gv,Ev be: MOVSX Gv,Eb bf: MOVSX Gv,Ew # 0x0f 0xc0-0xcf c0: XADD Eb,Gb c1: XADD Ev,Gv c2: c3: movnti Md/q,Gd/q c4: c5: c6: c7: Grp9 (1A) c8: BSWAP RAX/EAX/R8/R8D c9: BSWAP RCX/ECX/R9/R9D ca: BSWAP RDX/EDX/R10/R10D cb: BSWAP RBX/EBX/R11/R11D cc: BSWAP RSP/ESP/R12/R12D cd: BSWAP RBP/EBP/R13/R13D ce: BSWAP RSI/ESI/R14/R14D cf: BSWAP RDI/EDI/R15/R15D # 0x0f 0xd0-0xdf d0: d1: d2: d3: d4: d5: d6: d7: d8: d9: da: db: dc: dd: de: df: # 0x0f 0xe0-0xef e0: e1: e2: e3: e4: e5: e6: e7: e8: e9: ea: eb: ec: ed: ee: ef: # 0x0f 0xf0-0xff f0: f1: f2: f3: f4: f5: f6: f7: f8: f9: fa: fb: fc: fd: fe: ff: EndTable Table: 3-byte opcode 1 Referrer: 3-byte escape 1 80: INVEPT Gd/q,Mdq (66) 81: INVPID Gd/q,Mdq (66) f0: MOVBE Gv,Mv | CRC32 Gd,Eb (F2) f1: MOVBE Mv,Gv | CRC32 Gd,Ev (F2) EndTable Table: 3-byte opcode 2 Referrer: 3-byte escape 2 # all opcode is for SSE EndTable GrpTable: Grp1 0: ADD 1: OR 2: ADC 3: SBB 4: AND 5: SUB 6: XOR 7: CMP EndTable GrpTable: Grp1A 0: POP EndTable GrpTable: Grp2 0: ROL 1: ROR 2: RCL 3: RCR 4: SHL/SAL 5: SHR 6: 7: SAR EndTable GrpTable: Grp3_1 0: TEST Eb,Ib 1: 2: NOT Eb 3: NEG Eb 4: MUL AL,Eb 5: IMUL AL,Eb 6: DIV AL,Eb 7: IDIV AL,Eb EndTable GrpTable: Grp3_2 0: TEST Ev,Iz 1: 2: NOT Ev 3: NEG Ev 4: MUL rAX,Ev 5: IMUL rAX,Ev 6: DIV rAX,Ev 7: IDIV rAX,Ev EndTable GrpTable: Grp4 0: INC Eb 1: DEC Eb EndTable GrpTable: Grp5 0: INC Ev 1: DEC Ev 2: CALLN Ev (f64) 3: CALLF Ep 4: JMPN Ev (f64) 5: JMPF Ep 6: PUSH Ev (d64) 7: EndTable GrpTable: Grp6 0: SLDT Rv/Mw 1: STR Rv/Mw 2: LLDT Ew 3: LTR Ew 4: VERR Ew 5: VERW Ew EndTable GrpTable: Grp7 0: SGDT Ms | VMCALL (001),(11B) | VMLAUNCH (010),(11B) | VMRESUME (011),(11B) | VMXOFF (100),(11B) 1: SIDT Ms | MONITOR (000),(11B) | MWAIT (001) 2: LGDT Ms | XGETBV (000),(11B) | XSETBV (001),(11B) 3: LIDT Ms 4: SMSW Mw/Rv 5: 6: LMSW Ew 7: INVLPG Mb | SWAPGS (o64),(000),(11B) | RDTSCP (001),(11B) EndTable GrpTable: Grp8 4: BT 5: BTS 6: BTR 7: BTC EndTable GrpTable: Grp9 1: CMPXCHG8B/16B Mq/Mdq 6: VMPTRLD Mq | VMCLEAR Mq (66) | VMXON Mq (F3) 7: VMPTRST Mq EndTable GrpTable: Grp10 EndTable GrpTable: Grp11 0: MOV EndTable GrpTable: Grp12 EndTable GrpTable: Grp13 EndTable GrpTable: Grp14 EndTable GrpTable: Grp15 0: fxsave 1: fxstor 2: ldmxcsr 3: stmxcsr 4: XSAVE 5: XRSTOR | lfence (11B) 6: mfence (11B) 7: clflush | sfence (11B) EndTable GrpTable: Grp16 0: prefetch NTA 1: prefetch T0 2: prefetch T1 3: prefetch T2 EndTable GrpTable: GrpRNG 0: xstore-rng 1: xcrypt-ecb 2: xcrypt-cbc 4: xcrypt-cfb 5: xcrypt-ofb EndTable