///////////////////////////////////////////////////////////////////////// // $Id: fetchdecode.cc,v 1.98 2006-06-09 22:29:07 sshwarts Exp $ ///////////////////////////////////////////////////////////////////////// // // Copyright (C) 2001 MandrakeSoft S.A. // // MandrakeSoft S.A. // 43, rue d'Aboukir // 75002 Paris - France // http://www.linux-mandrake.com/ // http://www.mandrakesoft.com/ // // This library is free software; you can redistribute it and/or // modify it under the terms of the GNU Lesser General Public // License as published by the Free Software Foundation; either // version 2 of the License, or (at your option) any later version. // // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU // Lesser General Public License for more details. // // You should have received a copy of the GNU Lesser General Public // License along with this library; if not, write to the Free Software // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA #define NEED_CPU_REG_SHORTCUTS 1 #include "bochs.h" #include "cpu.h" #define LOG_THIS BX_CPU_THIS_PTR /////////////////////////// // prefix bytes // opcode bytes // modrm/sib // address displacement // immediate constant /////////////////////////// // UD2 opcode (according to Intel manuals): // Use the 0F0B opcode (UD2 instruction) or the 0FB9H opcode when deliberately // trying to generate an invalid opcode exception (#UD). /* *********** */ // LOCK PREFIX // /* *********** */ /* * The LOCK prefix can be prepended only to the following instructions * and only to those forms of the instructions where the destination * operand is a memory operand: ADD, ADC, AND, BTC, BTR, BTS, CMPXCHG, * CMPXCH8B, DEC, INC, NEG, NOT, OR, SBB, SUB, XOR, XADD, and XCHG. If * the LOCK prefix is used with one of these instructions and the source * operand is a memory operand, an undefined opcode exception (#UD) will * be generated. An undefined opcode exception will also be generated if * the LOCK prefix is used with any instruction not in the above list. * The XCHG instruction always asserts the LOCK# signal regardless of the * presence or absence of the LOCK prefix. */ static BxExecutePtr_tR BxResolve16Mod0[8] = { &BX_CPU_C::Resolve16Mod0Rm0, &BX_CPU_C::Resolve16Mod0Rm1, &BX_CPU_C::Resolve16Mod0Rm2, &BX_CPU_C::Resolve16Mod0Rm3, &BX_CPU_C::Resolve16Mod0Rm4, &BX_CPU_C::Resolve16Mod0Rm5, &BX_CPU_C::Resolve16Mod0Rm6, &BX_CPU_C::Resolve16Mod0Rm7 }; static BxExecutePtr_tR BxResolve16Mod1or2[8] = { &BX_CPU_C::Resolve16Mod1or2Rm0, &BX_CPU_C::Resolve16Mod1or2Rm1, &BX_CPU_C::Resolve16Mod1or2Rm2, &BX_CPU_C::Resolve16Mod1or2Rm3, &BX_CPU_C::Resolve16Mod1or2Rm4, &BX_CPU_C::Resolve16Mod1or2Rm5, &BX_CPU_C::Resolve16Mod1or2Rm6, &BX_CPU_C::Resolve16Mod1or2Rm7 }; static BxExecutePtr_tR BxResolve32Mod0[8] = { &BX_CPU_C::Resolve32Mod0Rm0, &BX_CPU_C::Resolve32Mod0Rm1, &BX_CPU_C::Resolve32Mod0Rm2, &BX_CPU_C::Resolve32Mod0Rm3, NULL, // escape to 2-byte &BX_CPU_C::Resolve32Mod0Rm5, &BX_CPU_C::Resolve32Mod0Rm6, &BX_CPU_C::Resolve32Mod0Rm7 }; static BxExecutePtr_tR BxResolve32Mod1or2[8] = { &BX_CPU_C::Resolve32Mod1or2Rm0, &BX_CPU_C::Resolve32Mod1or2Rm1, &BX_CPU_C::Resolve32Mod1or2Rm2, &BX_CPU_C::Resolve32Mod1or2Rm3, NULL, // escape to 2-byte &BX_CPU_C::Resolve32Mod1or2Rm5, &BX_CPU_C::Resolve32Mod1or2Rm6, &BX_CPU_C::Resolve32Mod1or2Rm7 }; static BxExecutePtr_tR BxResolve32Mod0Base[8] = { &BX_CPU_C::Resolve32Mod0Base0, &BX_CPU_C::Resolve32Mod0Base1, &BX_CPU_C::Resolve32Mod0Base2, &BX_CPU_C::Resolve32Mod0Base3, &BX_CPU_C::Resolve32Mod0Base4, &BX_CPU_C::Resolve32Mod0Base5, &BX_CPU_C::Resolve32Mod0Base6, &BX_CPU_C::Resolve32Mod0Base7, }; static BxExecutePtr_tR BxResolve32Mod1or2Base[8] = { &BX_CPU_C::Resolve32Mod1or2Base0, &BX_CPU_C::Resolve32Mod1or2Base1, &BX_CPU_C::Resolve32Mod1or2Base2, &BX_CPU_C::Resolve32Mod1or2Base3, &BX_CPU_C::Resolve32Mod1or2Base4, &BX_CPU_C::Resolve32Mod1or2Base5, &BX_CPU_C::Resolve32Mod1or2Base6, &BX_CPU_C::Resolve32Mod1or2Base7, }; typedef struct BxOpcodeInfo_t { Bit16u Attr; BxExecutePtr_t ExecutePtr; const BxOpcodeInfo_t *AnotherArray; } BxOpcodeInfo_t; // common fetchdecode32/64 opcode tables #include "fetchdecode.h" /* ************* */ /* Opcode Groups */ /* ************* */ static const BxOpcodeInfo_t BxOpcodeInfoG1EbIb[8] = { /* 0 */ { BxImmediate_Ib | BxLockable, &BX_CPU_C::ADD_EbIb }, /* 1 */ { BxImmediate_Ib | BxLockable, &BX_CPU_C::OR_EbIb }, /* 2 */ { BxImmediate_Ib | BxLockable, &BX_CPU_C::ADC_EbIb }, /* 3 */ { BxImmediate_Ib | BxLockable, &BX_CPU_C::SBB_EbIb }, /* 4 */ { BxImmediate_Ib | BxLockable, &BX_CPU_C::AND_EbIb }, /* 5 */ { BxImmediate_Ib | BxLockable, &BX_CPU_C::SUB_EbIb }, /* 6 */ { BxImmediate_Ib | BxLockable, &BX_CPU_C::XOR_EbIb }, /* 7 */ { BxImmediate_Ib, &BX_CPU_C::CMP_EbIb } }; static const BxOpcodeInfo_t BxOpcodeInfoG1Ew[8] = { // attributes defined in main area /* 0 */ { BxSplitMod11b, NULL, opcodesADD_EwIw }, /* 1 */ { BxLockable, &BX_CPU_C::OR_EwIw }, /* 2 */ { BxLockable, &BX_CPU_C::ADC_EwIw }, /* 3 */ { BxLockable, &BX_CPU_C::SBB_EwIw }, /* 4 */ { BxLockable, &BX_CPU_C::AND_EwIw }, /* 5 */ { BxLockable, &BX_CPU_C::SUB_EwIw }, /* 6 */ { BxLockable, &BX_CPU_C::XOR_EwIw }, /* 7 */ { 0, &BX_CPU_C::CMP_EwIw } }; static const BxOpcodeInfo_t BxOpcodeInfoG1Ed[8] = { // attributes defined in main area /* 0 */ { BxSplitMod11b, NULL, opcodesADD_EdId }, /* 1 */ { BxLockable, &BX_CPU_C::OR_EdId }, /* 2 */ { BxLockable, &BX_CPU_C::ADC_EdId }, /* 3 */ { BxLockable, &BX_CPU_C::SBB_EdId }, /* 4 */ { BxLockable, &BX_CPU_C::AND_EdId }, /* 5 */ { BxLockable, &BX_CPU_C::SUB_EdId }, /* 6 */ { BxLockable, &BX_CPU_C::XOR_EdId }, /* 7 */ { 0, &BX_CPU_C::CMP_EdId } }; static const BxOpcodeInfo_t BxOpcodeInfoG2Eb[8] = { // attributes defined in main area /* 0 */ { 0, &BX_CPU_C::ROL_Eb }, /* 1 */ { 0, &BX_CPU_C::ROR_Eb }, /* 2 */ { 0, &BX_CPU_C::RCL_Eb }, /* 3 */ { 0, &BX_CPU_C::RCR_Eb }, /* 4 */ { 0, &BX_CPU_C::SHL_Eb }, /* 5 */ { 0, &BX_CPU_C::SHR_Eb }, /* 6 */ { 0, &BX_CPU_C::SHL_Eb }, /* 7 */ { 0, &BX_CPU_C::SAR_Eb } }; static const BxOpcodeInfo_t BxOpcodeInfoG2Ew[8] = { // attributes defined in main area /* 0 */ { 0, &BX_CPU_C::ROL_Ew }, /* 1 */ { 0, &BX_CPU_C::ROR_Ew }, /* 2 */ { 0, &BX_CPU_C::RCL_Ew }, /* 3 */ { 0, &BX_CPU_C::RCR_Ew }, /* 4 */ { 0, &BX_CPU_C::SHL_Ew }, /* 5 */ { 0, &BX_CPU_C::SHR_Ew }, /* 6 */ { 0, &BX_CPU_C::SHL_Ew }, /* 7 */ { 0, &BX_CPU_C::SAR_Ew } }; static const BxOpcodeInfo_t BxOpcodeInfoG2Ed[8] = { // attributes defined in main area /* 0 */ { 0, &BX_CPU_C::ROL_Ed }, /* 1 */ { 0, &BX_CPU_C::ROR_Ed }, /* 2 */ { 0, &BX_CPU_C::RCL_Ed }, /* 3 */ { 0, &BX_CPU_C::RCR_Ed }, /* 4 */ { 0, &BX_CPU_C::SHL_Ed }, /* 5 */ { 0, &BX_CPU_C::SHR_Ed }, /* 6 */ { 0, &BX_CPU_C::SHL_Ed }, /* 7 */ { 0, &BX_CPU_C::SAR_Ed } }; static const BxOpcodeInfo_t BxOpcodeInfoG3Eb[8] = { /* 0 */ { BxImmediate_Ib, &BX_CPU_C::TEST_EbIb }, /* 1 */ { BxImmediate_Ib, &BX_CPU_C::TEST_EbIb }, /* 2 */ { BxLockable, &BX_CPU_C::NOT_Eb }, /* 3 */ { BxLockable, &BX_CPU_C::NEG_Eb }, /* 4 */ { 0, &BX_CPU_C::MUL_ALEb }, /* 5 */ { 0, &BX_CPU_C::IMUL_ALEb }, /* 6 */ { 0, &BX_CPU_C::DIV_ALEb }, /* 7 */ { 0, &BX_CPU_C::IDIV_ALEb } }; static const BxOpcodeInfo_t BxOpcodeInfoG3Ew[8] = { /* 0 */ { BxImmediate_Iw, &BX_CPU_C::TEST_EwIw }, /* 1 */ { BxImmediate_Iw, &BX_CPU_C::TEST_EwIw }, /* 2 */ { BxLockable, &BX_CPU_C::NOT_Ew }, /* 3 */ { BxLockable, &BX_CPU_C::NEG_Ew }, /* 4 */ { 0, &BX_CPU_C::MUL_AXEw }, /* 5 */ { 0, &BX_CPU_C::IMUL_AXEw }, /* 6 */ { 0, &BX_CPU_C::DIV_AXEw }, /* 7 */ { 0, &BX_CPU_C::IDIV_AXEw } }; static const BxOpcodeInfo_t BxOpcodeInfoG3Ed[8] = { /* 0 */ { BxImmediate_Iv, &BX_CPU_C::TEST_EdId }, /* 1 */ { BxImmediate_Iv, &BX_CPU_C::TEST_EdId }, /* 2 */ { BxLockable, &BX_CPU_C::NOT_Ed }, /* 3 */ { BxLockable, &BX_CPU_C::NEG_Ed }, /* 4 */ { 0, &BX_CPU_C::MUL_EAXEd }, /* 5 */ { 0, &BX_CPU_C::IMUL_EAXEd }, /* 6 */ { 0, &BX_CPU_C::DIV_EAXEd }, /* 7 */ { 0, &BX_CPU_C::IDIV_EAXEd } }; static const BxOpcodeInfo_t BxOpcodeInfoG4[8] = { /* 0 */ { BxLockable, &BX_CPU_C::INC_Eb }, /* 1 */ { BxLockable, &BX_CPU_C::DEC_Eb }, /* 2 */ { 0, &BX_CPU_C::BxError }, /* 3 */ { 0, &BX_CPU_C::BxError }, /* 4 */ { 0, &BX_CPU_C::BxError }, /* 5 */ { 0, &BX_CPU_C::BxError }, /* 6 */ { 0, &BX_CPU_C::BxError }, /* 7 */ { 0, &BX_CPU_C::BxError } }; static const BxOpcodeInfo_t BxOpcodeInfoG5w[8] = { // attributes defined in main area /* 0 */ { BxLockable, &BX_CPU_C::INC_Ew }, /* 1 */ { BxLockable, &BX_CPU_C::DEC_Ew }, /* 2 */ { 0, &BX_CPU_C::CALL_Ew }, /* 3 */ { 0, &BX_CPU_C::CALL16_Ep }, /* 4 */ { 0, &BX_CPU_C::JMP_Ew }, /* 5 */ { 0, &BX_CPU_C::JMP16_Ep }, /* 6 */ { 0, &BX_CPU_C::PUSH_Ew }, /* 7 */ { 0, &BX_CPU_C::BxError } }; static const BxOpcodeInfo_t BxOpcodeInfoG5d[8] = { // attributes defined in main area /* 0 */ { BxLockable, &BX_CPU_C::INC_Ed }, /* 1 */ { BxLockable, &BX_CPU_C::DEC_Ed }, /* 2 */ { 0, &BX_CPU_C::CALL_Ed }, /* 3 */ { 0, &BX_CPU_C::CALL32_Ep }, /* 4 */ { 0, &BX_CPU_C::JMP_Ed }, /* 5 */ { 0, &BX_CPU_C::JMP32_Ep }, /* 6 */ { 0, &BX_CPU_C::PUSH_Ed }, /* 7 */ { 0, &BX_CPU_C::BxError } }; static const BxOpcodeInfo_t BxOpcodeInfoG6[8] = { // attributes defined in main area /* 0 */ { 0, &BX_CPU_C::SLDT_Ew }, /* 1 */ { 0, &BX_CPU_C::STR_Ew }, /* 2 */ { 0, &BX_CPU_C::LLDT_Ew }, /* 3 */ { 0, &BX_CPU_C::LTR_Ew }, /* 4 */ { 0, &BX_CPU_C::VERR_Ew }, /* 5 */ { 0, &BX_CPU_C::VERW_Ew }, /* 6 */ { 0, &BX_CPU_C::BxError }, /* 7 */ { 0, &BX_CPU_C::BxError } }; static const BxOpcodeInfo_t BxOpcodeInfoG7[8] = { /* 0 */ { 0, &BX_CPU_C::SGDT_Ms }, /* 1 */ { 0, &BX_CPU_C::SIDT_Ms }, /* 2 */ { 0, &BX_CPU_C::LGDT_Ms }, /* 3 */ { 0, &BX_CPU_C::LIDT_Ms }, /* 4 */ { 0, &BX_CPU_C::SMSW_Ew }, /* 5 */ { 0, &BX_CPU_C::BxError }, /* 6 */ { 0, &BX_CPU_C::LMSW_Ew }, /* 7 */ { 0, &BX_CPU_C::INVLPG } }; static const BxOpcodeInfo_t BxOpcodeInfoG8EwIb[8] = { /* 0 */ { 0, &BX_CPU_C::BxError }, /* 1 */ { 0, &BX_CPU_C::BxError }, /* 2 */ { 0, &BX_CPU_C::BxError }, /* 3 */ { 0, &BX_CPU_C::BxError }, /* 4 */ { BxImmediate_Ib, &BX_CPU_C::BT_EwIb }, /* 5 */ { BxImmediate_Ib | BxLockable, &BX_CPU_C::BTS_EwIb }, /* 6 */ { BxImmediate_Ib | BxLockable, &BX_CPU_C::BTR_EwIb }, /* 7 */ { BxImmediate_Ib | BxLockable, &BX_CPU_C::BTC_EwIb } }; static const BxOpcodeInfo_t BxOpcodeInfoG8EdIb[8] = { /* 0 */ { 0, &BX_CPU_C::BxError }, /* 1 */ { 0, &BX_CPU_C::BxError }, /* 2 */ { 0, &BX_CPU_C::BxError }, /* 3 */ { 0, &BX_CPU_C::BxError }, /* 4 */ { BxImmediate_Ib, &BX_CPU_C::BT_EdIb }, /* 5 */ { BxImmediate_Ib | BxLockable, &BX_CPU_C::BTS_EdIb }, /* 6 */ { BxImmediate_Ib | BxLockable, &BX_CPU_C::BTR_EdIb }, /* 7 */ { BxImmediate_Ib | BxLockable, &BX_CPU_C::BTC_EdIb } }; static const BxOpcodeInfo_t BxOpcodeInfoG9[8] = { /* 0 */ { 0, &BX_CPU_C::BxError }, /* 1 */ { BxLockable, &BX_CPU_C::CMPXCHG8B }, /* 2 */ { 0, &BX_CPU_C::BxError }, /* 3 */ { 0, &BX_CPU_C::BxError }, /* 4 */ { 0, &BX_CPU_C::BxError }, /* 5 */ { 0, &BX_CPU_C::BxError }, /* 6 */ { 0, &BX_CPU_C::BxError }, /* 7 */ { 0, &BX_CPU_C::BxError } }; static const BxOpcodeInfo_t BxOpcodeInfoG12[8] = { /* 0 */ { 0, &BX_CPU_C::BxError }, /* 1 */ { 0, &BX_CPU_C::BxError }, /* 2 */ { BxImmediate_Ib | BxPrefixSSE, NULL, BxOpcodeGroupSSE_G1202 }, /* 3 */ { 0, &BX_CPU_C::BxError }, /* 4 */ { BxImmediate_Ib | BxPrefixSSE, NULL, BxOpcodeGroupSSE_G1204 }, /* 5 */ { 0, &BX_CPU_C::BxError }, /* 6 */ { BxImmediate_Ib | BxPrefixSSE, NULL, BxOpcodeGroupSSE_G1206 }, /* 7 */ { 0, &BX_CPU_C::BxError } }; static const BxOpcodeInfo_t BxOpcodeInfoG13[8] = { /* 0 */ { 0, &BX_CPU_C::BxError }, /* 1 */ { 0, &BX_CPU_C::BxError }, /* 2 */ { BxImmediate_Ib | BxPrefixSSE, NULL, BxOpcodeGroupSSE_G1302 }, /* 3 */ { 0, &BX_CPU_C::BxError }, /* 4 */ { BxImmediate_Ib | BxPrefixSSE, NULL, BxOpcodeGroupSSE_G1304 }, /* 5 */ { 0, &BX_CPU_C::BxError }, /* 6 */ { BxImmediate_Ib | BxPrefixSSE, NULL, BxOpcodeGroupSSE_G1306 }, /* 7 */ { 0, &BX_CPU_C::BxError } }; static const BxOpcodeInfo_t BxOpcodeInfoG14[8] = { /* 0 */ { 0, &BX_CPU_C::BxError }, /* 1 */ { 0, &BX_CPU_C::BxError }, /* 2 */ { BxImmediate_Ib | BxPrefixSSE, NULL, BxOpcodeGroupSSE_G1402 }, /* 3 */ { BxImmediate_Ib | BxPrefixSSE, NULL, BxOpcodeGroupSSE_G1403 }, /* 4 */ { 0, &BX_CPU_C::BxError }, /* 5 */ { 0, &BX_CPU_C::BxError }, /* 6 */ { BxImmediate_Ib | BxPrefixSSE, NULL, BxOpcodeGroupSSE_G1406 }, /* 7 */ { BxImmediate_Ib | BxPrefixSSE, NULL, BxOpcodeGroupSSE_G1407 } }; static const BxOpcodeInfo_t BxOpcodeInfoG15[8] = { /* 0 */ { 0, &BX_CPU_C::FXSAVE }, /* 1 */ { 0, &BX_CPU_C::FXRSTOR }, /* 2 */ { 0, &BX_CPU_C::LDMXCSR }, /* 3 */ { 0, &BX_CPU_C::STMXCSR }, /* 4 */ { 0, &BX_CPU_C::BxError }, /* 5 */ { 0, &BX_CPU_C::NOP }, /* LFENCE */ /* 6 */ { 0, &BX_CPU_C::NOP }, /* MFENCE */ /* 7 */ { 0, &BX_CPU_C::NOP } /* SFENCE/CFLUSH */ }; static const BxOpcodeInfo_t BxOpcodeInfoG16[8] = { /* 0 */ { 0, &BX_CPU_C::PREFETCH }, /* PREFETCH_NTA */ /* 1 */ { 0, &BX_CPU_C::PREFETCH }, /* PREFETCH_T0 */ /* 2 */ { 0, &BX_CPU_C::PREFETCH }, /* PREFETCH_T1 */ /* 3 */ { 0, &BX_CPU_C::PREFETCH }, /* PREFETCH_T2 */ /* 4 */ { 0, &BX_CPU_C::BxError }, /* 5 */ { 0, &BX_CPU_C::BxError }, /* 6 */ { 0, &BX_CPU_C::BxError }, /* 7 */ { 0, &BX_CPU_C::BxError } }; /* ************************** */ /* 512 entries for 16bit mode */ /* 512 entries for 32bit mode */ /* ************************** */ static const BxOpcodeInfo_t BxOpcodeInfo[512*2] = { // 512 entries for 16bit mode /* 00 */ { BxAnother | BxLockable, &BX_CPU_C::ADD_EbGb }, /* 01 */ { BxAnother | BxLockable, &BX_CPU_C::ADD_EwGw }, /* 02 */ { BxAnother, &BX_CPU_C::ADD_GbEb }, /* 03 */ { BxAnother | BxSplitMod11b, NULL, opcodesADD_GwEw }, /* 04 */ { BxImmediate_Ib, &BX_CPU_C::ADD_ALIb }, /* 05 */ { BxImmediate_Iv, &BX_CPU_C::ADD_AXIw }, /* 06 */ { 0, &BX_CPU_C::PUSH16_ES }, /* 07 */ { 0, &BX_CPU_C::POP16_ES }, /* 08 */ { BxAnother | BxLockable, &BX_CPU_C::OR_EbGb }, /* 09 */ { BxAnother | BxLockable, &BX_CPU_C::OR_EwGw }, /* 0A */ { BxAnother, &BX_CPU_C::OR_GbEb }, /* 0B */ { BxAnother, &BX_CPU_C::OR_GwEw }, /* 0C */ { BxImmediate_Ib, &BX_CPU_C::OR_ALIb }, /* 0D */ { BxImmediate_Iv, &BX_CPU_C::OR_AXIw }, /* 0E */ { 0, &BX_CPU_C::PUSH16_CS }, /* 0F */ { BxAnother, &BX_CPU_C::BxError }, // 2-byte escape /* 10 */ { BxAnother | BxLockable, &BX_CPU_C::ADC_EbGb }, /* 11 */ { BxAnother | BxLockable, &BX_CPU_C::ADC_EwGw }, /* 12 */ { BxAnother, &BX_CPU_C::ADC_GbEb }, /* 13 */ { BxAnother, &BX_CPU_C::ADC_GwEw }, /* 14 */ { BxImmediate_Ib, &BX_CPU_C::ADC_ALIb }, /* 15 */ { BxImmediate_Iv, &BX_CPU_C::ADC_AXIw }, /* 16 */ { 0, &BX_CPU_C::PUSH16_SS }, /* 17 */ { 0, &BX_CPU_C::POP16_SS }, /* 18 */ { BxAnother | BxLockable, &BX_CPU_C::SBB_EbGb }, /* 19 */ { BxAnother | BxLockable, &BX_CPU_C::SBB_EwGw }, /* 1A */ { BxAnother, &BX_CPU_C::SBB_GbEb }, /* 1B */ { BxAnother, &BX_CPU_C::SBB_GwEw }, /* 1C */ { BxImmediate_Ib, &BX_CPU_C::SBB_ALIb }, /* 1D */ { BxImmediate_Iv, &BX_CPU_C::SBB_AXIw }, /* 1E */ { 0, &BX_CPU_C::PUSH16_DS }, /* 1F */ { 0, &BX_CPU_C::POP16_DS }, /* 20 */ { BxAnother | BxLockable, &BX_CPU_C::AND_EbGb }, /* 21 */ { BxAnother | BxLockable, &BX_CPU_C::AND_EwGw }, /* 22 */ { BxAnother, &BX_CPU_C::AND_GbEb }, /* 23 */ { BxAnother, &BX_CPU_C::AND_GwEw }, /* 24 */ { BxImmediate_Ib, &BX_CPU_C::AND_ALIb }, /* 25 */ { BxImmediate_Iv, &BX_CPU_C::AND_AXIw }, /* 26 */ { BxPrefix | BxAnother, &BX_CPU_C::BxError }, // ES: /* 27 */ { 0, &BX_CPU_C::DAA }, /* 28 */ { BxAnother | BxLockable, &BX_CPU_C::SUB_EbGb }, /* 29 */ { BxAnother | BxLockable, &BX_CPU_C::SUB_EwGw }, /* 2A */ { BxAnother, &BX_CPU_C::SUB_GbEb }, /* 2B */ { BxAnother, &BX_CPU_C::SUB_GwEw }, /* 2C */ { BxImmediate_Ib, &BX_CPU_C::SUB_ALIb }, /* 2D */ { BxImmediate_Iv, &BX_CPU_C::SUB_AXIw }, /* 2E */ { BxPrefix | BxAnother, &BX_CPU_C::BxError }, // CS: /* 2F */ { 0, &BX_CPU_C::DAS }, /* 30 */ { BxAnother | BxLockable, &BX_CPU_C::XOR_EbGb }, /* 31 */ { BxAnother | BxLockable, &BX_CPU_C::XOR_EwGw }, /* 32 */ { BxAnother, &BX_CPU_C::XOR_GbEb }, /* 33 */ { BxAnother, &BX_CPU_C::XOR_GwEw }, /* 34 */ { BxImmediate_Ib, &BX_CPU_C::XOR_ALIb }, /* 35 */ { BxImmediate_Iv, &BX_CPU_C::XOR_AXIw }, /* 36 */ { BxPrefix | BxAnother, &BX_CPU_C::BxError }, // SS: /* 37 */ { 0, &BX_CPU_C::AAA }, /* 38 */ { BxAnother, &BX_CPU_C::CMP_EbGb }, /* 39 */ { BxAnother, &BX_CPU_C::CMP_EwGw }, /* 3A */ { BxAnother, &BX_CPU_C::CMP_GbEb }, /* 3B */ { BxAnother, &BX_CPU_C::CMP_GwEw }, /* 3C */ { BxImmediate_Ib, &BX_CPU_C::CMP_ALIb }, /* 3D */ { BxImmediate_Iv, &BX_CPU_C::CMP_AXIw }, /* 3E */ { BxPrefix | BxAnother, &BX_CPU_C::BxError }, // DS: /* 3F */ { 0, &BX_CPU_C::AAS }, /* 40 */ { 0, &BX_CPU_C::INC_RX }, /* 41 */ { 0, &BX_CPU_C::INC_RX }, /* 42 */ { 0, &BX_CPU_C::INC_RX }, /* 43 */ { 0, &BX_CPU_C::INC_RX }, /* 44 */ { 0, &BX_CPU_C::INC_RX }, /* 45 */ { 0, &BX_CPU_C::INC_RX }, /* 46 */ { 0, &BX_CPU_C::INC_RX }, /* 47 */ { 0, &BX_CPU_C::INC_RX }, /* 48 */ { 0, &BX_CPU_C::DEC_RX }, /* 49 */ { 0, &BX_CPU_C::DEC_RX }, /* 4A */ { 0, &BX_CPU_C::DEC_RX }, /* 4B */ { 0, &BX_CPU_C::DEC_RX }, /* 4C */ { 0, &BX_CPU_C::DEC_RX }, /* 4D */ { 0, &BX_CPU_C::DEC_RX }, /* 4E */ { 0, &BX_CPU_C::DEC_RX }, /* 4F */ { 0, &BX_CPU_C::DEC_RX }, /* 50 */ { 0, &BX_CPU_C::PUSH_RX }, /* 51 */ { 0, &BX_CPU_C::PUSH_RX }, /* 52 */ { 0, &BX_CPU_C::PUSH_RX }, /* 53 */ { 0, &BX_CPU_C::PUSH_RX }, /* 54 */ { 0, &BX_CPU_C::PUSH_RX }, /* 55 */ { 0, &BX_CPU_C::PUSH_RX }, /* 56 */ { 0, &BX_CPU_C::PUSH_RX }, /* 57 */ { 0, &BX_CPU_C::PUSH_RX }, /* 58 */ { 0, &BX_CPU_C::POP_RX }, /* 59 */ { 0, &BX_CPU_C::POP_RX }, /* 5A */ { 0, &BX_CPU_C::POP_RX }, /* 5B */ { 0, &BX_CPU_C::POP_RX }, /* 5C */ { 0, &BX_CPU_C::POP_RX }, /* 5D */ { 0, &BX_CPU_C::POP_RX }, /* 5E */ { 0, &BX_CPU_C::POP_RX }, /* 5F */ { 0, &BX_CPU_C::POP_RX }, /* 60 */ { 0, &BX_CPU_C::PUSHAD16 }, /* 61 */ { 0, &BX_CPU_C::POPAD16 }, /* 62 */ { BxAnother, &BX_CPU_C::BOUND_GwMa }, /* 63 */ { BxAnother, &BX_CPU_C::ARPL_EwGw }, /* 64 */ { BxPrefix | BxAnother, &BX_CPU_C::BxError }, // FS: /* 65 */ { BxPrefix | BxAnother, &BX_CPU_C::BxError }, // GS: /* 66 */ { BxPrefix | BxAnother, &BX_CPU_C::BxError }, // OS: /* 67 */ { BxPrefix | BxAnother, &BX_CPU_C::BxError }, // AS: /* 68 */ { BxImmediate_Iv, &BX_CPU_C::PUSH_Iw }, /* 69 */ { BxAnother | BxImmediate_Iv, &BX_CPU_C::IMUL_GwEwIw }, /* 6A */ { BxImmediate_Ib_SE, &BX_CPU_C::PUSH_Iw }, /* 6B */ { BxAnother | BxImmediate_Ib_SE, &BX_CPU_C::IMUL_GwEwIw }, /* 6C */ { BxRepeatable, &BX_CPU_C::INSB_YbDX }, /* 6D */ { BxRepeatable, &BX_CPU_C::INSW_YwDX }, /* 6E */ { BxRepeatable, &BX_CPU_C::OUTSB_DXXb }, /* 6F */ { BxRepeatable, &BX_CPU_C::OUTSW_DXXw }, /* 70 */ { BxImmediate_BrOff8, &BX_CPU_C::JCC_Jw }, /* 71 */ { BxImmediate_BrOff8, &BX_CPU_C::JCC_Jw }, /* 72 */ { BxImmediate_BrOff8, &BX_CPU_C::JCC_Jw }, /* 73 */ { BxImmediate_BrOff8, &BX_CPU_C::JCC_Jw }, /* 74 */ { BxImmediate_BrOff8, &BX_CPU_C::JZ_Jw }, /* 75 */ { BxImmediate_BrOff8, &BX_CPU_C::JNZ_Jw }, /* 76 */ { BxImmediate_BrOff8, &BX_CPU_C::JCC_Jw }, /* 77 */ { BxImmediate_BrOff8, &BX_CPU_C::JCC_Jw }, /* 78 */ { BxImmediate_BrOff8, &BX_CPU_C::JCC_Jw }, /* 79 */ { BxImmediate_BrOff8, &BX_CPU_C::JCC_Jw }, /* 7A */ { BxImmediate_BrOff8, &BX_CPU_C::JCC_Jw }, /* 7B */ { BxImmediate_BrOff8, &BX_CPU_C::JCC_Jw }, /* 7C */ { BxImmediate_BrOff8, &BX_CPU_C::JCC_Jw }, /* 7D */ { BxImmediate_BrOff8, &BX_CPU_C::JCC_Jw }, /* 7E */ { BxImmediate_BrOff8, &BX_CPU_C::JCC_Jw }, /* 7F */ { BxImmediate_BrOff8, &BX_CPU_C::JCC_Jw }, /* 80 */ { BxAnother | BxGroup1, NULL, BxOpcodeInfoG1EbIb }, /* 81 */ { BxAnother | BxGroup1 | BxImmediate_Iv, NULL, BxOpcodeInfoG1Ew }, /* 82 */ { BxAnother | BxGroup1, NULL, BxOpcodeInfoG1EbIb }, /* 83 */ { BxAnother | BxGroup1 | BxImmediate_Ib_SE, NULL, BxOpcodeInfoG1Ew }, /* 84 */ { BxAnother, &BX_CPU_C::TEST_EbGb }, /* 85 */ { BxAnother, &BX_CPU_C::TEST_EwGw }, /* 86 */ { BxAnother | BxLockable, &BX_CPU_C::XCHG_EbGb }, /* 87 */ { BxAnother | BxLockable, &BX_CPU_C::XCHG_EwGw }, /* 88 */ { BxAnother | BxSplitMod11b, NULL, opcodesMOV_EbGb }, /* 89 */ { BxAnother | BxSplitMod11b, NULL, opcodesMOV_EwGw }, /* 8A */ { BxAnother | BxSplitMod11b, NULL, opcodesMOV_GbEb }, /* 8B */ { BxAnother | BxSplitMod11b, NULL, opcodesMOV_GwEw }, /* 8C */ { BxAnother, &BX_CPU_C::MOV_EwSw }, /* 8D */ { BxAnother, &BX_CPU_C::LEA_GwM }, /* 8E */ { BxAnother, &BX_CPU_C::MOV_SwEw }, /* 8F */ { BxAnother, &BX_CPU_C::POP_Ew }, /* 90 */ { 0, &BX_CPU_C::NOP }, /* 91 */ { 0, &BX_CPU_C::XCHG_RXAX }, /* 92 */ { 0, &BX_CPU_C::XCHG_RXAX }, /* 93 */ { 0, &BX_CPU_C::XCHG_RXAX }, /* 94 */ { 0, &BX_CPU_C::XCHG_RXAX }, /* 95 */ { 0, &BX_CPU_C::XCHG_RXAX }, /* 96 */ { 0, &BX_CPU_C::XCHG_RXAX }, /* 97 */ { 0, &BX_CPU_C::XCHG_RXAX }, /* 98 */ { 0, &BX_CPU_C::CBW }, /* 99 */ { 0, &BX_CPU_C::CWD }, /* 9A */ { BxImmediate_IvIw, &BX_CPU_C::CALL16_Ap }, /* 9B */ { 0, &BX_CPU_C::FWAIT }, /* 9C */ { 0, &BX_CPU_C::PUSHF_Fw }, /* 9D */ { 0, &BX_CPU_C::POPF_Fw }, /* 9E */ { 0, &BX_CPU_C::SAHF }, /* 9F */ { 0, &BX_CPU_C::LAHF }, /* A0 */ { BxImmediate_O, &BX_CPU_C::MOV_ALOb }, /* A1 */ { BxImmediate_O, &BX_CPU_C::MOV_AXOw }, /* A2 */ { BxImmediate_O, &BX_CPU_C::MOV_ObAL }, /* A3 */ { BxImmediate_O, &BX_CPU_C::MOV_OwAX }, /* A4 */ { BxRepeatable, &BX_CPU_C::MOVSB_XbYb }, /* A5 */ { BxRepeatable, &BX_CPU_C::MOVSW_XwYw }, /* A6 */ { BxRepeatable | BxRepeatableZF, &BX_CPU_C::CMPSB_XbYb }, /* A7 */ { BxRepeatable | BxRepeatableZF, &BX_CPU_C::CMPSW_XwYw }, /* A8 */ { BxImmediate_Ib, &BX_CPU_C::TEST_ALIb }, /* A9 */ { BxImmediate_Iv, &BX_CPU_C::TEST_AXIw }, /* AA */ { BxRepeatable, &BX_CPU_C::STOSB_YbAL }, /* AB */ { BxRepeatable, &BX_CPU_C::STOSW_YwAX }, /* AC */ { BxRepeatable, &BX_CPU_C::LODSB_ALXb }, /* AD */ { BxRepeatable, &BX_CPU_C::LODSW_AXXw }, /* AE */ { BxRepeatable | BxRepeatableZF, &BX_CPU_C::SCASB_ALXb }, /* AF */ { BxRepeatable | BxRepeatableZF, &BX_CPU_C::SCASW_AXXw }, /* B0 */ { BxImmediate_Ib, &BX_CPU_C::MOV_RLIb }, /* B1 */ { BxImmediate_Ib, &BX_CPU_C::MOV_RLIb }, /* B2 */ { BxImmediate_Ib, &BX_CPU_C::MOV_RLIb }, /* B3 */ { BxImmediate_Ib, &BX_CPU_C::MOV_RLIb }, /* B4 */ { BxImmediate_Ib, &BX_CPU_C::MOV_RHIb }, /* B5 */ { BxImmediate_Ib, &BX_CPU_C::MOV_RHIb }, /* B6 */ { BxImmediate_Ib, &BX_CPU_C::MOV_RHIb }, /* B7 */ { BxImmediate_Ib, &BX_CPU_C::MOV_RHIb }, /* B8 */ { BxImmediate_Iv, &BX_CPU_C::MOV_RXIw }, /* B9 */ { BxImmediate_Iv, &BX_CPU_C::MOV_RXIw }, /* BA */ { BxImmediate_Iv, &BX_CPU_C::MOV_RXIw }, /* BB */ { BxImmediate_Iv, &BX_CPU_C::MOV_RXIw }, /* BC */ { BxImmediate_Iv, &BX_CPU_C::MOV_RXIw }, /* BD */ { BxImmediate_Iv, &BX_CPU_C::MOV_RXIw }, /* BE */ { BxImmediate_Iv, &BX_CPU_C::MOV_RXIw }, /* BF */ { BxImmediate_Iv, &BX_CPU_C::MOV_RXIw }, /* C0 */ { BxAnother | BxGroup2 | BxImmediate_Ib, NULL, BxOpcodeInfoG2Eb }, /* C1 */ { BxAnother | BxGroup2 | BxImmediate_Ib, NULL, BxOpcodeInfoG2Ew }, /* C2 */ { BxImmediate_Iw, &BX_CPU_C::RETnear16_Iw }, /* C3 */ { 0, &BX_CPU_C::RETnear16 }, /* C4 */ { BxAnother, &BX_CPU_C::LES_GvMp }, /* C5 */ { BxAnother, &BX_CPU_C::LDS_GvMp }, /* C6 */ { BxAnother | BxImmediate_Ib, &BX_CPU_C::MOV_EbIb }, /* C7 */ { BxAnother | BxImmediate_Iv, &BX_CPU_C::MOV_EwIw }, /* C8 */ { BxImmediate_IwIb, &BX_CPU_C::ENTER_IwIb }, /* C9 */ { 0, &BX_CPU_C::LEAVE }, /* CA */ { BxImmediate_Iw, &BX_CPU_C::RETfar16_Iw }, /* CB */ { 0, &BX_CPU_C::RETfar16 }, /* CC */ { 0, &BX_CPU_C::INT3 }, /* CD */ { BxImmediate_Ib, &BX_CPU_C::INT_Ib }, /* CE */ { 0, &BX_CPU_C::INTO }, /* CF */ { 0, &BX_CPU_C::IRET16 }, /* D0 */ { BxAnother | BxGroup2, NULL, BxOpcodeInfoG2Eb }, /* D1 */ { BxAnother | BxGroup2, NULL, BxOpcodeInfoG2Ew }, /* D2 */ { BxAnother | BxGroup2, NULL, BxOpcodeInfoG2Eb }, /* D3 */ { BxAnother | BxGroup2, NULL, BxOpcodeInfoG2Ew }, /* D4 */ { BxImmediate_Ib, &BX_CPU_C::AAM }, /* D5 */ { BxImmediate_Ib, &BX_CPU_C::AAD }, /* D6 */ { 0, &BX_CPU_C::SALC }, /* D7 */ { 0, &BX_CPU_C::XLAT }, #if BX_SUPPORT_FPU // by default we have here pointer to the group .. as if mod <> 11b /* D8 */ { BxAnother | BxFPGroup, NULL, BxOpcodeInfo_FPGroupD8 }, /* D9 */ { BxAnother | BxFPGroup, NULL, BxOpcodeInfo_FPGroupD9 }, /* DA */ { BxAnother | BxFPGroup, NULL, BxOpcodeInfo_FPGroupDA }, /* DB */ { BxAnother | BxFPGroup, NULL, BxOpcodeInfo_FPGroupDB }, /* DC */ { BxAnother | BxFPGroup, NULL, BxOpcodeInfo_FPGroupDC }, /* DD */ { BxAnother | BxFPGroup, NULL, BxOpcodeInfo_FPGroupDD }, /* DE */ { BxAnother | BxFPGroup, NULL, BxOpcodeInfo_FPGroupDE }, /* DF */ { BxAnother | BxFPGroup, NULL, BxOpcodeInfo_FPGroupDF }, #else /* D8 */ { BxAnother, &BX_CPU_C::FPU_ESC }, /* D9 */ { BxAnother, &BX_CPU_C::FPU_ESC }, /* DA */ { BxAnother, &BX_CPU_C::FPU_ESC }, /* DB */ { BxAnother, &BX_CPU_C::FPU_ESC }, /* DC */ { BxAnother, &BX_CPU_C::FPU_ESC }, /* DD */ { BxAnother, &BX_CPU_C::FPU_ESC }, /* DE */ { BxAnother, &BX_CPU_C::FPU_ESC }, /* DF */ { BxAnother, &BX_CPU_C::FPU_ESC }, #endif /* E0 */ { BxImmediate_BrOff8, &BX_CPU_C::LOOPNE_Jb }, /* E1 */ { BxImmediate_BrOff8, &BX_CPU_C::LOOPE_Jb }, /* E2 */ { BxImmediate_BrOff8, &BX_CPU_C::LOOP_Jb }, /* E3 */ { BxImmediate_BrOff8, &BX_CPU_C::JCXZ_Jb }, /* E4 */ { BxImmediate_Ib, &BX_CPU_C::IN_ALIb }, /* E5 */ { BxImmediate_Ib, &BX_CPU_C::IN_AXIb }, /* E6 */ { BxImmediate_Ib, &BX_CPU_C::OUT_IbAL }, /* E7 */ { BxImmediate_Ib, &BX_CPU_C::OUT_IbAX }, /* E8 */ { BxImmediate_BrOff16, &BX_CPU_C::CALL_Aw }, /* E9 */ { BxImmediate_BrOff16, &BX_CPU_C::JMP_Jw }, /* EA */ { BxImmediate_IvIw, &BX_CPU_C::JMP_Ap }, /* EB */ { BxImmediate_BrOff8, &BX_CPU_C::JMP_Jw }, /* EC */ { 0, &BX_CPU_C::IN_ALDX }, /* ED */ { 0, &BX_CPU_C::IN_AXDX }, /* EE */ { 0, &BX_CPU_C::OUT_DXAL }, /* EF */ { 0, &BX_CPU_C::OUT_DXAX }, /* F0 */ { BxPrefix | BxAnother, &BX_CPU_C::BxError }, // LOCK /* F1 */ { 0, &BX_CPU_C::INT1 }, /* F2 */ { BxPrefix | BxAnother, &BX_CPU_C::BxError }, // REPNE/REPNZ /* F3 */ { BxPrefix | BxAnother, &BX_CPU_C::BxError }, // REP, REPE/REPZ /* F4 */ { 0, &BX_CPU_C::HLT }, /* F5 */ { 0, &BX_CPU_C::CMC }, /* F6 */ { BxAnother | BxGroup3, NULL, BxOpcodeInfoG3Eb }, /* F7 */ { BxAnother | BxGroup3, NULL, BxOpcodeInfoG3Ew }, /* F8 */ { 0, &BX_CPU_C::CLC }, /* F9 */ { 0, &BX_CPU_C::STC }, /* FA */ { 0, &BX_CPU_C::CLI }, /* FB */ { 0, &BX_CPU_C::STI }, /* FC */ { 0, &BX_CPU_C::CLD }, /* FD */ { 0, &BX_CPU_C::STD }, /* FE */ { BxAnother | BxGroup4, NULL, BxOpcodeInfoG4 }, /* FF */ { BxAnother | BxGroup5, NULL, BxOpcodeInfoG5w }, /* 0F 00 */ { BxAnother | BxGroup6, NULL, BxOpcodeInfoG6 }, /* 0F 01 */ { BxAnother | BxGroup7, NULL, BxOpcodeInfoG7 }, /* 0F 02 */ { BxAnother, &BX_CPU_C::LAR_GvEw }, /* 0F 03 */ { BxAnother, &BX_CPU_C::LSL_GvEw }, /* 0F 04 */ { 0, &BX_CPU_C::BxError }, #if BX_SUPPORT_X86_64 /* 0F 05 */ { 0, &BX_CPU_C::SYSCALL }, #elif BX_CPU_LEVEL == 2 /* 0F 05 */ { 0, &BX_CPU_C::LOADALL }, #else /* 0F 05 */ { 0, &BX_CPU_C::BxError }, #endif /* 0F 06 */ { 0, &BX_CPU_C::CLTS }, #if BX_SUPPORT_X86_64 /* 0F 07 */ { 0, &BX_CPU_C::SYSRET }, #else /* 0F 07 */ { 0, &BX_CPU_C::BxError }, #endif /* 0F 08 */ { 0, &BX_CPU_C::INVD }, /* 0F 09 */ { 0, &BX_CPU_C::WBINVD }, /* 0F 0A */ { 0, &BX_CPU_C::BxError }, /* 0F 0B */ { 0, &BX_CPU_C::UndefinedOpcode }, // UD2 opcode /* 0F 0C */ { 0, &BX_CPU_C::BxError }, #if BX_SUPPORT_X86_64 || BX_SUPPORT_3DNOW /* 0F 0D */ { BxAnother, &BX_CPU_C::NOP }, // 3DNow! PREFETCH on AMD, NOP on Intel #else /* 0F 0D */ { 0, &BX_CPU_C::BxError }, #endif #if BX_SUPPORT_3DNOW /* 0F 0E */ { 0, &BX_CPU_C::EMMS }, // 3DNow! FEMMS /* 0F 0F */ { BxAnother | BxImmediate_Ib, NULL, Bx3DNowOpcodeInfo }, #else /* 0F 0E */ { 0, &BX_CPU_C::BxError }, /* 0F 0F */ { 0, &BX_CPU_C::BxError }, #endif /* 0F 10 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f10 }, /* 0F 11 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f11 }, /* 0F 12 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f12 }, /* 0F 13 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f13 }, /* 0F 14 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f14 }, /* 0F 15 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f15 }, /* 0F 16 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f16 }, /* 0F 17 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f17 }, /* 0F 18 */ { BxAnother | BxGroup16, NULL, BxOpcodeInfoG16 }, /* 0F 19 */ { 0, &BX_CPU_C::BxError }, /* 0F 1A */ { 0, &BX_CPU_C::BxError }, /* 0F 1B */ { 0, &BX_CPU_C::BxError }, /* 0F 1C */ { 0, &BX_CPU_C::BxError }, /* 0F 1D */ { 0, &BX_CPU_C::BxError }, /* 0F 1E */ { 0, &BX_CPU_C::BxError }, #if BX_CPU_LEVEL < 6 /* 0F 1F */ { 0, &BX_CPU_C::BxError }, #else /* 0F 1F */ { BxAnother, &BX_CPU_C::NOP }, // multi-byte NOP #endif /* 0F 20 */ { BxAnother, &BX_CPU_C::MOV_RdCd }, /* 0F 21 */ { BxAnother, &BX_CPU_C::MOV_RdDd }, /* 0F 22 */ { BxAnother, &BX_CPU_C::MOV_CdRd }, /* 0F 23 */ { BxAnother, &BX_CPU_C::MOV_DdRd }, /* 0F 24 */ { BxAnother, &BX_CPU_C::MOV_RdTd }, /* 0F 25 */ { 0, &BX_CPU_C::BxError }, /* 0F 26 */ { BxAnother, &BX_CPU_C::MOV_TdRd }, /* 0F 27 */ { 0, &BX_CPU_C::BxError }, /* 0F 28 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f28 }, /* 0F 29 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f29 }, /* 0F 2A */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f2a }, /* 0F 2B */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f2b }, /* 0F 2C */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f2c }, /* 0F 2D */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f2d }, /* 0F 2E */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f2e }, /* 0F 2F */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f2f }, /* 0F 30 */ { 0, &BX_CPU_C::WRMSR }, /* 0F 31 */ { 0, &BX_CPU_C::RDTSC }, /* 0F 32 */ { 0, &BX_CPU_C::RDMSR }, /* 0F 33 */ { 0, &BX_CPU_C::RDPMC }, /* 0F 34 */ { 0, &BX_CPU_C::SYSENTER }, /* 0F 35 */ { 0, &BX_CPU_C::SYSEXIT }, /* 0F 36 */ { 0, &BX_CPU_C::BxError }, /* 0F 37 */ { 0, &BX_CPU_C::BxError }, #if BX_SUPPORT_SSE >= 4 /* 0F 38 */ { BxAnother | Bx3ByteOpcode | Bx3ByteOpTable, NULL, BxOpcode3ByteTableA4 }, // 3-byte escape #else /* 0F 38 */ { 0, &BX_CPU_C::BxError }, #endif /* 0F 39 */ { 0, &BX_CPU_C::BxError }, #if BX_SUPPORT_SSE >= 4 /* 0F 3A */ { BxAnother | Bx3ByteOpcode | Bx3ByteOpTable, NULL, BxOpcode3ByteTableA5 }, // 3-byte escape #else /* 0F 3A */ { 0, &BX_CPU_C::BxError }, #endif /* 0F 3B */ { 0, &BX_CPU_C::BxError }, /* 0F 3C */ { 0, &BX_CPU_C::BxError }, /* 0F 3D */ { 0, &BX_CPU_C::BxError }, /* 0F 3E */ { 0, &BX_CPU_C::BxError }, /* 0F 3F */ { 0, &BX_CPU_C::BxError }, /* 0F 40 */ { BxAnother, &BX_CPU_C::CMOV_GwEw }, /* 0F 41 */ { BxAnother, &BX_CPU_C::CMOV_GwEw }, /* 0F 42 */ { BxAnother, &BX_CPU_C::CMOV_GwEw }, /* 0F 43 */ { BxAnother, &BX_CPU_C::CMOV_GwEw }, /* 0F 44 */ { BxAnother, &BX_CPU_C::CMOV_GwEw }, /* 0F 45 */ { BxAnother, &BX_CPU_C::CMOV_GwEw }, /* 0F 46 */ { BxAnother, &BX_CPU_C::CMOV_GwEw }, /* 0F 47 */ { BxAnother, &BX_CPU_C::CMOV_GwEw }, /* 0F 48 */ { BxAnother, &BX_CPU_C::CMOV_GwEw }, /* 0F 49 */ { BxAnother, &BX_CPU_C::CMOV_GwEw }, /* 0F 4A */ { BxAnother, &BX_CPU_C::CMOV_GwEw }, /* 0F 4B */ { BxAnother, &BX_CPU_C::CMOV_GwEw }, /* 0F 4C */ { BxAnother, &BX_CPU_C::CMOV_GwEw }, /* 0F 4D */ { BxAnother, &BX_CPU_C::CMOV_GwEw }, /* 0F 4E */ { BxAnother, &BX_CPU_C::CMOV_GwEw }, /* 0F 4F */ { BxAnother, &BX_CPU_C::CMOV_GwEw }, /* 0F 50 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f50 }, /* 0F 51 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f51 }, /* 0F 52 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f52 }, /* 0F 53 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f53 }, /* 0F 54 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f54 }, /* 0F 55 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f55 }, /* 0F 56 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f56 }, /* 0F 57 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f57 }, /* 0F 58 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f58 }, /* 0F 59 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f59 }, /* 0F 5A */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f5a }, /* 0F 5B */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f5b }, /* 0F 5C */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f5c }, /* 0F 5D */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f5d }, /* 0F 5E */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f5e }, /* 0F 5F */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f5f }, /* 0F 60 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f60 }, /* 0F 61 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f61 }, /* 0F 62 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f62 }, /* 0F 63 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f63 }, /* 0F 64 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f64 }, /* 0F 65 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f65 }, /* 0F 66 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f66 }, /* 0F 67 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f67 }, /* 0F 68 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f68 }, /* 0F 69 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f69 }, /* 0F 6A */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f6a }, /* 0F 6B */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f6b }, /* 0F 6C */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f6c }, /* 0F 6D */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f6d }, /* 0F 6E */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f6e }, /* 0F 6F */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f6f }, /* 0F 70 */ { BxAnother | BxImmediate_Ib | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f70 }, /* 0F 71 */ { BxAnother | BxGroup12, NULL, BxOpcodeInfoG12 }, /* 0F 72 */ { BxAnother | BxGroup13, NULL, BxOpcodeInfoG13 }, /* 0F 73 */ { BxAnother | BxGroup14, NULL, BxOpcodeInfoG14 }, /* 0F 74 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f74 }, /* 0F 75 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f75 }, /* 0F 76 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f76 }, /* 0F 77 */ { 0, &BX_CPU_C::EMMS }, /* 0F 78 */ { 0, &BX_CPU_C::BxError }, /* 0F 79 */ { 0, &BX_CPU_C::BxError }, /* 0F 7A */ { 0, &BX_CPU_C::BxError }, /* 0F 7B */ { 0, &BX_CPU_C::BxError }, /* 0F 7C */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f7c }, /* 0F 7D */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f7d }, /* 0F 7E */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f7e }, /* 0F 7F */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f7f }, /* 0F 80 */ { BxImmediate_BrOff16, &BX_CPU_C::JCC_Jw }, /* 0F 81 */ { BxImmediate_BrOff16, &BX_CPU_C::JCC_Jw }, /* 0F 82 */ { BxImmediate_BrOff16, &BX_CPU_C::JCC_Jw }, /* 0F 83 */ { BxImmediate_BrOff16, &BX_CPU_C::JCC_Jw }, /* 0F 84 */ { BxImmediate_BrOff16, &BX_CPU_C::JZ_Jw }, /* 0F 85 */ { BxImmediate_BrOff16, &BX_CPU_C::JNZ_Jw }, /* 0F 86 */ { BxImmediate_BrOff16, &BX_CPU_C::JCC_Jw }, /* 0F 87 */ { BxImmediate_BrOff16, &BX_CPU_C::JCC_Jw }, /* 0F 88 */ { BxImmediate_BrOff16, &BX_CPU_C::JCC_Jw }, /* 0F 89 */ { BxImmediate_BrOff16, &BX_CPU_C::JCC_Jw }, /* 0F 8A */ { BxImmediate_BrOff16, &BX_CPU_C::JCC_Jw }, /* 0F 8B */ { BxImmediate_BrOff16, &BX_CPU_C::JCC_Jw }, /* 0F 8C */ { BxImmediate_BrOff16, &BX_CPU_C::JCC_Jw }, /* 0F 8D */ { BxImmediate_BrOff16, &BX_CPU_C::JCC_Jw }, /* 0F 8E */ { BxImmediate_BrOff16, &BX_CPU_C::JCC_Jw }, /* 0F 8F */ { BxImmediate_BrOff16, &BX_CPU_C::JCC_Jw }, /* 0F 90 */ { BxAnother, &BX_CPU_C::SETO_Eb }, /* 0F 91 */ { BxAnother, &BX_CPU_C::SETNO_Eb }, /* 0F 92 */ { BxAnother, &BX_CPU_C::SETB_Eb }, /* 0F 93 */ { BxAnother, &BX_CPU_C::SETNB_Eb }, /* 0F 94 */ { BxAnother, &BX_CPU_C::SETZ_Eb }, /* 0F 95 */ { BxAnother, &BX_CPU_C::SETNZ_Eb }, /* 0F 96 */ { BxAnother, &BX_CPU_C::SETBE_Eb }, /* 0F 97 */ { BxAnother, &BX_CPU_C::SETNBE_Eb }, /* 0F 98 */ { BxAnother, &BX_CPU_C::SETS_Eb }, /* 0F 99 */ { BxAnother, &BX_CPU_C::SETNS_Eb }, /* 0F 9A */ { BxAnother, &BX_CPU_C::SETP_Eb }, /* 0F 9B */ { BxAnother, &BX_CPU_C::SETNP_Eb }, /* 0F 9C */ { BxAnother, &BX_CPU_C::SETL_Eb }, /* 0F 9D */ { BxAnother, &BX_CPU_C::SETNL_Eb }, /* 0F 9E */ { BxAnother, &BX_CPU_C::SETLE_Eb }, /* 0F 9F */ { BxAnother, &BX_CPU_C::SETNLE_Eb }, /* 0F A0 */ { 0, &BX_CPU_C::PUSH16_FS }, /* 0F A1 */ { 0, &BX_CPU_C::POP16_FS }, /* 0F A2 */ { 0, &BX_CPU_C::CPUID }, /* 0F A3 */ { BxAnother, &BX_CPU_C::BT_EwGw }, /* 0F A4 */ { BxAnother | BxImmediate_Ib, &BX_CPU_C::SHLD_EwGw }, /* 0F A5 */ { BxAnother, &BX_CPU_C::SHLD_EwGw }, /* 0F A6 */ { 0, &BX_CPU_C::CMPXCHG_XBTS }, /* 0F A7 */ { 0, &BX_CPU_C::CMPXCHG_IBTS }, /* 0F A8 */ { 0, &BX_CPU_C::PUSH16_GS }, /* 0F A9 */ { 0, &BX_CPU_C::POP16_GS }, /* 0F AA */ { 0, &BX_CPU_C::RSM }, /* 0F AB */ { BxAnother | BxLockable, &BX_CPU_C::BTS_EwGw }, /* 0F AC */ { BxAnother | BxImmediate_Ib, &BX_CPU_C::SHRD_EwGw }, /* 0F AD */ { BxAnother, &BX_CPU_C::SHRD_EwGw }, /* 0F AE */ { BxAnother | BxGroup15, NULL, BxOpcodeInfoG15 }, /* 0F AF */ { BxAnother, &BX_CPU_C::IMUL_GwEw }, /* 0F B0 */ { BxAnother | BxLockable, &BX_CPU_C::CMPXCHG_EbGb }, /* 0F B1 */ { BxAnother | BxLockable, &BX_CPU_C::CMPXCHG_EwGw }, /* 0F B2 */ { BxAnother, &BX_CPU_C::LSS_GvMp }, /* 0F B3 */ { BxAnother | BxLockable, &BX_CPU_C::BTR_EwGw }, /* 0F B4 */ { BxAnother, &BX_CPU_C::LFS_GvMp }, /* 0F B5 */ { BxAnother, &BX_CPU_C::LGS_GvMp }, /* 0F B6 */ { BxAnother, &BX_CPU_C::MOVZX_GwEb }, /* 0F B7 */ { BxAnother | BxSplitMod11b, NULL, opcodesMOV_GwEw }, // MOVZX_GwEw /* 0F B8 */ { 0, &BX_CPU_C::BxError }, /* 0F B9 */ { 0, &BX_CPU_C::UndefinedOpcode }, // UD2 opcode /* 0F BA */ { BxAnother | BxGroup8, NULL, BxOpcodeInfoG8EwIb }, /* 0F BB */ { BxAnother | BxLockable, &BX_CPU_C::BTC_EwGw }, /* 0F BC */ { BxAnother, &BX_CPU_C::BSF_GwEw }, /* 0F BD */ { BxAnother, &BX_CPU_C::BSR_GwEw }, /* 0F BE */ { BxAnother, &BX_CPU_C::MOVSX_GwEb }, /* 0F BF */ { BxAnother | BxSplitMod11b, NULL, opcodesMOV_GwEw }, // MOVSX_GwEw /* 0F C0 */ { BxAnother | BxLockable, &BX_CPU_C::XADD_EbGb }, /* 0F C1 */ { BxAnother | BxLockable, &BX_CPU_C::XADD_EwGw }, /* 0F C2 */ { BxAnother | BxImmediate_Ib | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fc2 }, /* 0F C3 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fc3 }, /* 0F C4 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fc4 }, /* 0F C5 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fc5 }, /* 0F C6 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fc6 }, /* 0F C7 */ { BxAnother | BxGroup9, NULL, BxOpcodeInfoG9 }, /* 0F C8 */ { 0, &BX_CPU_C::BSWAP_ERX }, /* 0F C9 */ { 0, &BX_CPU_C::BSWAP_ERX }, /* 0F CA */ { 0, &BX_CPU_C::BSWAP_ERX }, /* 0F CB */ { 0, &BX_CPU_C::BSWAP_ERX }, /* 0F CC */ { 0, &BX_CPU_C::BSWAP_ERX }, /* 0F CD */ { 0, &BX_CPU_C::BSWAP_ERX }, /* 0F CE */ { 0, &BX_CPU_C::BSWAP_ERX }, /* 0F CF */ { 0, &BX_CPU_C::BSWAP_ERX }, /* 0F D0 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd0 }, /* 0F D1 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd1 }, /* 0F D2 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd2 }, /* 0F D3 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd3 }, /* 0F D4 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd4 }, /* 0F D5 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd5 }, /* 0F D6 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd6 }, /* 0F D7 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd7 }, /* 0F D8 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd8 }, /* 0F D9 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd9 }, /* 0F DA */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fda }, /* 0F DB */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fdb }, /* 0F DC */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fdc }, /* 0F DD */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fdd }, /* 0F DE */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fde }, /* 0F DF */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fdf }, /* 0F E0 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe0 }, /* 0F E1 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe1 }, /* 0F E2 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe2 }, /* 0F E3 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe3 }, /* 0F E4 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe4 }, /* 0F E5 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe5 }, /* 0F E6 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe6 }, /* 0F E7 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe7 }, /* 0F E8 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe8 }, /* 0F E9 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe9 }, /* 0F EA */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fea }, /* 0F EB */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0feb }, /* 0F EC */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fec }, /* 0F ED */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fed }, /* 0F EE */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fee }, /* 0F EF */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fef }, /* 0F F0 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff0 }, /* 0F F1 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff1 }, /* 0F F2 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff2 }, /* 0F F3 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff3 }, /* 0F F4 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff4 }, /* 0F F5 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff5 }, /* 0F F6 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff6 }, /* 0F F7 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff7 }, /* 0F F8 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff8 }, /* 0F F9 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff9 }, /* 0F FA */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ffa }, /* 0F FB */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ffb }, /* 0F FC */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ffc }, /* 0F FD */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ffd }, /* 0F FE */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ffe }, /* 0F FF */ { 0, &BX_CPU_C::BxError }, // 512 entries for 32bit mode /* 00 */ { BxAnother | BxLockable, &BX_CPU_C::ADD_EbGb }, /* 01 */ { BxAnother | BxLockable, &BX_CPU_C::ADD_EdGd }, /* 02 */ { BxAnother, &BX_CPU_C::ADD_GbEb }, /* 03 */ { BxAnother | BxSplitMod11b, NULL, opcodesADD_GdEd }, /* 04 */ { BxImmediate_Ib, &BX_CPU_C::ADD_ALIb }, /* 05 */ { BxImmediate_Iv, &BX_CPU_C::ADD_EAXId }, /* 06 */ { 0, &BX_CPU_C::PUSH32_ES }, /* 07 */ { 0, &BX_CPU_C::POP32_ES }, /* 08 */ { BxAnother | BxLockable, &BX_CPU_C::OR_EbGb }, /* 09 */ { BxAnother | BxLockable, &BX_CPU_C::OR_EdGd }, /* 0A */ { BxAnother, &BX_CPU_C::OR_GbEb }, /* 0B */ { BxAnother, &BX_CPU_C::OR_GdEd }, /* 0C */ { BxImmediate_Ib, &BX_CPU_C::OR_ALIb }, /* 0D */ { BxImmediate_Iv, &BX_CPU_C::OR_EAXId }, /* 0E */ { 0, &BX_CPU_C::PUSH32_CS }, /* 0F */ { BxAnother, &BX_CPU_C::BxError }, // 2-byte escape /* 10 */ { BxAnother | BxLockable, &BX_CPU_C::ADC_EbGb }, /* 11 */ { BxAnother | BxLockable, &BX_CPU_C::ADC_EdGd }, /* 12 */ { BxAnother, &BX_CPU_C::ADC_GbEb }, /* 13 */ { BxAnother, &BX_CPU_C::ADC_GdEd }, /* 14 */ { BxImmediate_Ib, &BX_CPU_C::ADC_ALIb }, /* 15 */ { BxImmediate_Iv, &BX_CPU_C::ADC_EAXId }, /* 16 */ { 0, &BX_CPU_C::PUSH32_SS }, /* 17 */ { 0, &BX_CPU_C::POP32_SS }, /* 18 */ { BxAnother | BxLockable, &BX_CPU_C::SBB_EbGb }, /* 19 */ { BxAnother | BxLockable, &BX_CPU_C::SBB_EdGd }, /* 1A */ { BxAnother, &BX_CPU_C::SBB_GbEb }, /* 1B */ { BxAnother, &BX_CPU_C::SBB_GdEd }, /* 1C */ { BxImmediate_Ib, &BX_CPU_C::SBB_ALIb }, /* 1D */ { BxImmediate_Iv, &BX_CPU_C::SBB_EAXId }, /* 1E */ { 0, &BX_CPU_C::PUSH32_DS }, /* 1F */ { 0, &BX_CPU_C::POP32_DS }, /* 20 */ { BxAnother | BxLockable, &BX_CPU_C::AND_EbGb }, /* 21 */ { BxAnother | BxLockable, &BX_CPU_C::AND_EdGd }, /* 22 */ { BxAnother, &BX_CPU_C::AND_GbEb }, /* 23 */ { BxAnother, &BX_CPU_C::AND_GdEd }, /* 24 */ { BxImmediate_Ib, &BX_CPU_C::AND_ALIb }, /* 25 */ { BxImmediate_Iv, &BX_CPU_C::AND_EAXId }, /* 26 */ { BxPrefix | BxAnother, &BX_CPU_C::BxError }, // ES: /* 27 */ { 0, &BX_CPU_C::DAA }, /* 28 */ { BxAnother | BxLockable, &BX_CPU_C::SUB_EbGb }, /* 29 */ { BxAnother | BxLockable, &BX_CPU_C::SUB_EdGd }, /* 2A */ { BxAnother, &BX_CPU_C::SUB_GbEb }, /* 2B */ { BxAnother, &BX_CPU_C::SUB_GdEd }, /* 2C */ { BxImmediate_Ib, &BX_CPU_C::SUB_ALIb }, /* 2D */ { BxImmediate_Iv, &BX_CPU_C::SUB_EAXId }, /* 2E */ { BxPrefix | BxAnother, &BX_CPU_C::BxError }, // CS: /* 2F */ { 0, &BX_CPU_C::DAS }, /* 30 */ { BxAnother | BxLockable, &BX_CPU_C::XOR_EbGb }, /* 31 */ { BxAnother | BxLockable, &BX_CPU_C::XOR_EdGd }, /* 32 */ { BxAnother, &BX_CPU_C::XOR_GbEb }, /* 33 */ { BxAnother, &BX_CPU_C::XOR_GdEd }, /* 34 */ { BxImmediate_Ib, &BX_CPU_C::XOR_ALIb }, /* 35 */ { BxImmediate_Iv, &BX_CPU_C::XOR_EAXId }, /* 36 */ { BxPrefix | BxAnother, &BX_CPU_C::BxError }, // SS: /* 37 */ { 0, &BX_CPU_C::AAA }, /* 38 */ { BxAnother, &BX_CPU_C::CMP_EbGb }, /* 39 */ { BxAnother, &BX_CPU_C::CMP_EdGd }, /* 3A */ { BxAnother, &BX_CPU_C::CMP_GbEb }, /* 3B */ { BxAnother, &BX_CPU_C::CMP_GdEd }, /* 3C */ { BxImmediate_Ib, &BX_CPU_C::CMP_ALIb }, /* 3D */ { BxImmediate_Iv, &BX_CPU_C::CMP_EAXId }, /* 3E */ { BxPrefix | BxAnother, &BX_CPU_C::BxError }, // DS: /* 3F */ { 0, &BX_CPU_C::AAS }, /* 40 */ { 0, &BX_CPU_C::INC_ERX }, /* 41 */ { 0, &BX_CPU_C::INC_ERX }, /* 42 */ { 0, &BX_CPU_C::INC_ERX }, /* 43 */ { 0, &BX_CPU_C::INC_ERX }, /* 44 */ { 0, &BX_CPU_C::INC_ERX }, /* 45 */ { 0, &BX_CPU_C::INC_ERX }, /* 46 */ { 0, &BX_CPU_C::INC_ERX }, /* 47 */ { 0, &BX_CPU_C::INC_ERX }, /* 48 */ { 0, &BX_CPU_C::DEC_ERX }, /* 49 */ { 0, &BX_CPU_C::DEC_ERX }, /* 4A */ { 0, &BX_CPU_C::DEC_ERX }, /* 4B */ { 0, &BX_CPU_C::DEC_ERX }, /* 4C */ { 0, &BX_CPU_C::DEC_ERX }, /* 4D */ { 0, &BX_CPU_C::DEC_ERX }, /* 4E */ { 0, &BX_CPU_C::DEC_ERX }, /* 4F */ { 0, &BX_CPU_C::DEC_ERX }, /* 50 */ { 0, &BX_CPU_C::PUSH_ERX }, /* 51 */ { 0, &BX_CPU_C::PUSH_ERX }, /* 52 */ { 0, &BX_CPU_C::PUSH_ERX }, /* 53 */ { 0, &BX_CPU_C::PUSH_ERX }, /* 54 */ { 0, &BX_CPU_C::PUSH_ERX }, /* 55 */ { 0, &BX_CPU_C::PUSH_ERX }, /* 56 */ { 0, &BX_CPU_C::PUSH_ERX }, /* 57 */ { 0, &BX_CPU_C::PUSH_ERX }, /* 58 */ { 0, &BX_CPU_C::POP_ERX }, /* 59 */ { 0, &BX_CPU_C::POP_ERX }, /* 5A */ { 0, &BX_CPU_C::POP_ERX }, /* 5B */ { 0, &BX_CPU_C::POP_ERX }, /* 5C */ { 0, &BX_CPU_C::POP_ERX }, /* 5D */ { 0, &BX_CPU_C::POP_ERX }, /* 5E */ { 0, &BX_CPU_C::POP_ERX }, /* 5F */ { 0, &BX_CPU_C::POP_ERX }, /* 60 */ { 0, &BX_CPU_C::PUSHAD32 }, /* 61 */ { 0, &BX_CPU_C::POPAD32 }, /* 62 */ { BxAnother, &BX_CPU_C::BOUND_GdMa }, /* 63 */ { BxAnother, &BX_CPU_C::ARPL_EwGw }, /* 64 */ { BxPrefix | BxAnother, &BX_CPU_C::BxError }, // FS: /* 65 */ { BxPrefix | BxAnother, &BX_CPU_C::BxError }, // GS: /* 66 */ { BxPrefix | BxAnother, &BX_CPU_C::BxError }, // OS: /* 67 */ { BxPrefix | BxAnother, &BX_CPU_C::BxError }, // AS: /* 68 */ { BxImmediate_Iv, &BX_CPU_C::PUSH_Id }, /* 69 */ { BxAnother | BxImmediate_Iv, &BX_CPU_C::IMUL_GdEdId }, /* 6A */ { BxImmediate_Ib_SE, &BX_CPU_C::PUSH_Id }, /* 6B */ { BxAnother | BxImmediate_Ib_SE, &BX_CPU_C::IMUL_GdEdId }, /* 6C */ { BxRepeatable, &BX_CPU_C::INSB_YbDX }, /* 6D */ { BxRepeatable, &BX_CPU_C::INSD_YdDX }, /* 6E */ { BxRepeatable, &BX_CPU_C::OUTSB_DXXb }, /* 6F */ { BxRepeatable, &BX_CPU_C::OUTSD_DXXd }, /* 70 */ { BxImmediate_BrOff8, &BX_CPU_C::JCC_Jd }, /* 71 */ { BxImmediate_BrOff8, &BX_CPU_C::JCC_Jd }, /* 72 */ { BxImmediate_BrOff8, &BX_CPU_C::JCC_Jd }, /* 73 */ { BxImmediate_BrOff8, &BX_CPU_C::JCC_Jd }, /* 74 */ { BxImmediate_BrOff8, &BX_CPU_C::JZ_Jd }, /* 75 */ { BxImmediate_BrOff8, &BX_CPU_C::JNZ_Jd }, /* 76 */ { BxImmediate_BrOff8, &BX_CPU_C::JCC_Jd }, /* 77 */ { BxImmediate_BrOff8, &BX_CPU_C::JCC_Jd }, /* 78 */ { BxImmediate_BrOff8, &BX_CPU_C::JCC_Jd }, /* 79 */ { BxImmediate_BrOff8, &BX_CPU_C::JCC_Jd }, /* 7A */ { BxImmediate_BrOff8, &BX_CPU_C::JCC_Jd }, /* 7B */ { BxImmediate_BrOff8, &BX_CPU_C::JCC_Jd }, /* 7C */ { BxImmediate_BrOff8, &BX_CPU_C::JCC_Jd }, /* 7D */ { BxImmediate_BrOff8, &BX_CPU_C::JCC_Jd }, /* 7E */ { BxImmediate_BrOff8, &BX_CPU_C::JCC_Jd }, /* 7F */ { BxImmediate_BrOff8, &BX_CPU_C::JCC_Jd }, /* 80 */ { BxAnother | BxGroup1, NULL, BxOpcodeInfoG1EbIb }, /* 81 */ { BxAnother | BxGroup1 | BxImmediate_Iv, NULL, BxOpcodeInfoG1Ed }, /* 82 */ { BxAnother | BxGroup1, NULL, BxOpcodeInfoG1EbIb }, /* 83 */ { BxAnother | BxGroup1 | BxImmediate_Ib_SE, NULL, BxOpcodeInfoG1Ed }, /* 84 */ { BxAnother, &BX_CPU_C::TEST_EbGb }, /* 85 */ { BxAnother, &BX_CPU_C::TEST_EdGd }, /* 86 */ { BxAnother | BxLockable, &BX_CPU_C::XCHG_EbGb }, /* 87 */ { BxAnother | BxLockable, &BX_CPU_C::XCHG_EdGd }, /* 88 */ { BxAnother | BxSplitMod11b, NULL, opcodesMOV_EbGb }, /* 89 */ { BxAnother | BxSplitMod11b, NULL, opcodesMOV_EdGd }, /* 8A */ { BxAnother | BxSplitMod11b, NULL, opcodesMOV_GbEb }, /* 8B */ { BxAnother | BxSplitMod11b, NULL, opcodesMOV_GdEd }, /* 8C */ { BxAnother, &BX_CPU_C::MOV_EwSw }, /* 8D */ { BxAnother, &BX_CPU_C::LEA_GdM }, /* 8E */ { BxAnother, &BX_CPU_C::MOV_SwEw }, /* 8F */ { BxAnother, &BX_CPU_C::POP_Ed }, /* 90 */ { 0, &BX_CPU_C::NOP }, /* 91 */ { 0, &BX_CPU_C::XCHG_ERXEAX }, /* 92 */ { 0, &BX_CPU_C::XCHG_ERXEAX }, /* 93 */ { 0, &BX_CPU_C::XCHG_ERXEAX }, /* 94 */ { 0, &BX_CPU_C::XCHG_ERXEAX }, /* 95 */ { 0, &BX_CPU_C::XCHG_ERXEAX }, /* 96 */ { 0, &BX_CPU_C::XCHG_ERXEAX }, /* 97 */ { 0, &BX_CPU_C::XCHG_ERXEAX }, /* 98 */ { 0, &BX_CPU_C::CWDE }, /* 99 */ { 0, &BX_CPU_C::CDQ }, /* 9A */ { BxImmediate_IvIw, &BX_CPU_C::CALL32_Ap }, /* 9B */ { 0, &BX_CPU_C::FWAIT }, /* 9C */ { 0, &BX_CPU_C::PUSHF_Fd }, /* 9D */ { 0, &BX_CPU_C::POPF_Fd }, /* 9E */ { 0, &BX_CPU_C::SAHF }, /* 9F */ { 0, &BX_CPU_C::LAHF }, /* A0 */ { BxImmediate_O, &BX_CPU_C::MOV_ALOb }, /* A1 */ { BxImmediate_O, &BX_CPU_C::MOV_EAXOd }, /* A2 */ { BxImmediate_O, &BX_CPU_C::MOV_ObAL }, /* A3 */ { BxImmediate_O, &BX_CPU_C::MOV_OdEAX }, /* A4 */ { BxRepeatable, &BX_CPU_C::MOVSB_XbYb }, /* A5 */ { BxRepeatable, &BX_CPU_C::MOVSD_XdYd }, /* A6 */ { BxRepeatable | BxRepeatableZF, &BX_CPU_C::CMPSB_XbYb }, /* A7 */ { BxRepeatable | BxRepeatableZF, &BX_CPU_C::CMPSD_XdYd }, /* A8 */ { BxImmediate_Ib, &BX_CPU_C::TEST_ALIb }, /* A9 */ { BxImmediate_Iv, &BX_CPU_C::TEST_EAXId }, /* AA */ { BxRepeatable, &BX_CPU_C::STOSB_YbAL }, /* AB */ { BxRepeatable, &BX_CPU_C::STOSD_YdEAX }, /* AC */ { BxRepeatable, &BX_CPU_C::LODSB_ALXb }, /* AD */ { BxRepeatable, &BX_CPU_C::LODSD_EAXXd }, /* AE */ { BxRepeatable | BxRepeatableZF, &BX_CPU_C::SCASB_ALXb }, /* AF */ { BxRepeatable | BxRepeatableZF, &BX_CPU_C::SCASD_EAXXd }, /* B0 */ { BxImmediate_Ib, &BX_CPU_C::MOV_RLIb }, /* B1 */ { BxImmediate_Ib, &BX_CPU_C::MOV_RLIb }, /* B2 */ { BxImmediate_Ib, &BX_CPU_C::MOV_RLIb }, /* B3 */ { BxImmediate_Ib, &BX_CPU_C::MOV_RLIb }, /* B4 */ { BxImmediate_Ib, &BX_CPU_C::MOV_RHIb }, /* B5 */ { BxImmediate_Ib, &BX_CPU_C::MOV_RHIb }, /* B6 */ { BxImmediate_Ib, &BX_CPU_C::MOV_RHIb }, /* B7 */ { BxImmediate_Ib, &BX_CPU_C::MOV_RHIb }, /* B8 */ { BxImmediate_Iv, &BX_CPU_C::MOV_ERXId }, /* B9 */ { BxImmediate_Iv, &BX_CPU_C::MOV_ERXId }, /* BA */ { BxImmediate_Iv, &BX_CPU_C::MOV_ERXId }, /* BB */ { BxImmediate_Iv, &BX_CPU_C::MOV_ERXId }, /* BC */ { BxImmediate_Iv, &BX_CPU_C::MOV_ERXId }, /* BD */ { BxImmediate_Iv, &BX_CPU_C::MOV_ERXId }, /* BE */ { BxImmediate_Iv, &BX_CPU_C::MOV_ERXId }, /* BF */ { BxImmediate_Iv, &BX_CPU_C::MOV_ERXId }, /* C0 */ { BxAnother | BxGroup2 | BxImmediate_Ib, NULL, BxOpcodeInfoG2Eb }, /* C1 */ { BxAnother | BxGroup2 | BxImmediate_Ib, NULL, BxOpcodeInfoG2Ed }, /* C2 */ { BxImmediate_Iw, &BX_CPU_C::RETnear32_Iw }, /* C3 */ { 0, &BX_CPU_C::RETnear32 }, /* C4 */ { BxAnother, &BX_CPU_C::LES_GvMp }, /* C5 */ { BxAnother, &BX_CPU_C::LDS_GvMp }, /* C6 */ { BxAnother | BxImmediate_Ib, &BX_CPU_C::MOV_EbIb }, /* C7 */ { BxAnother | BxImmediate_Iv, &BX_CPU_C::MOV_EdId }, /* C8 */ { BxImmediate_IwIb, &BX_CPU_C::ENTER_IwIb }, /* C9 */ { 0, &BX_CPU_C::LEAVE }, /* CA */ { BxImmediate_Iw, &BX_CPU_C::RETfar32_Iw }, /* CB */ { 0, &BX_CPU_C::RETfar32 }, /* CC */ { 0, &BX_CPU_C::INT3 }, /* CD */ { BxImmediate_Ib, &BX_CPU_C::INT_Ib }, /* CE */ { 0, &BX_CPU_C::INTO }, /* CF */ { 0, &BX_CPU_C::IRET32 }, /* D0 */ { BxAnother | BxGroup2, NULL, BxOpcodeInfoG2Eb }, /* D1 */ { BxAnother | BxGroup2, NULL, BxOpcodeInfoG2Ed }, /* D2 */ { BxAnother | BxGroup2, NULL, BxOpcodeInfoG2Eb }, /* D3 */ { BxAnother | BxGroup2, NULL, BxOpcodeInfoG2Ed }, /* D4 */ { BxImmediate_Ib, &BX_CPU_C::AAM }, /* D5 */ { BxImmediate_Ib, &BX_CPU_C::AAD }, /* D6 */ { 0, &BX_CPU_C::SALC }, /* D7 */ { 0, &BX_CPU_C::XLAT }, #if BX_SUPPORT_FPU // by default we have here pointer to the group .. as if mod <> 11b /* D8 */ { BxAnother | BxFPGroup, NULL, BxOpcodeInfo_FPGroupD8 }, /* D9 */ { BxAnother | BxFPGroup, NULL, BxOpcodeInfo_FPGroupD9 }, /* DA */ { BxAnother | BxFPGroup, NULL, BxOpcodeInfo_FPGroupDA }, /* DB */ { BxAnother | BxFPGroup, NULL, BxOpcodeInfo_FPGroupDB }, /* DC */ { BxAnother | BxFPGroup, NULL, BxOpcodeInfo_FPGroupDC }, /* DD */ { BxAnother | BxFPGroup, NULL, BxOpcodeInfo_FPGroupDD }, /* DE */ { BxAnother | BxFPGroup, NULL, BxOpcodeInfo_FPGroupDE }, /* DF */ { BxAnother | BxFPGroup, NULL, BxOpcodeInfo_FPGroupDF }, #else /* D8 */ { BxAnother, &BX_CPU_C::FPU_ESC }, /* D9 */ { BxAnother, &BX_CPU_C::FPU_ESC }, /* DA */ { BxAnother, &BX_CPU_C::FPU_ESC }, /* DB */ { BxAnother, &BX_CPU_C::FPU_ESC }, /* DC */ { BxAnother, &BX_CPU_C::FPU_ESC }, /* DD */ { BxAnother, &BX_CPU_C::FPU_ESC }, /* DE */ { BxAnother, &BX_CPU_C::FPU_ESC }, /* DF */ { BxAnother, &BX_CPU_C::FPU_ESC }, #endif /* E0 */ { BxImmediate_BrOff8, &BX_CPU_C::LOOPNE_Jb }, /* E1 */ { BxImmediate_BrOff8, &BX_CPU_C::LOOPE_Jb }, /* E2 */ { BxImmediate_BrOff8, &BX_CPU_C::LOOP_Jb }, /* E3 */ { BxImmediate_BrOff8, &BX_CPU_C::JCXZ_Jb }, /* E4 */ { BxImmediate_Ib, &BX_CPU_C::IN_ALIb }, /* E5 */ { BxImmediate_Ib, &BX_CPU_C::IN_EAXIb }, /* E6 */ { BxImmediate_Ib, &BX_CPU_C::OUT_IbAL }, /* E7 */ { BxImmediate_Ib, &BX_CPU_C::OUT_IbEAX }, /* E8 */ { BxImmediate_BrOff32, &BX_CPU_C::CALL_Ad }, /* E9 */ { BxImmediate_BrOff32, &BX_CPU_C::JMP_Jd }, /* EA */ { BxImmediate_IvIw, &BX_CPU_C::JMP_Ap }, /* EB */ { BxImmediate_BrOff8, &BX_CPU_C::JMP_Jd }, /* EC */ { 0, &BX_CPU_C::IN_ALDX }, /* ED */ { 0, &BX_CPU_C::IN_EAXDX }, /* EE */ { 0, &BX_CPU_C::OUT_DXAL }, /* EF */ { 0, &BX_CPU_C::OUT_DXEAX }, /* F0 */ { BxPrefix | BxAnother, &BX_CPU_C::BxError }, // LOCK: /* F1 */ { 0, &BX_CPU_C::INT1 }, /* F2 */ { BxPrefix | BxAnother, &BX_CPU_C::BxError }, // REPNE/REPNZ /* F3 */ { BxPrefix | BxAnother, &BX_CPU_C::BxError }, // REP,REPE/REPZ /* F4 */ { 0, &BX_CPU_C::HLT }, /* F5 */ { 0, &BX_CPU_C::CMC }, /* F6 */ { BxAnother | BxGroup3, NULL, BxOpcodeInfoG3Eb }, /* F7 */ { BxAnother | BxGroup3, NULL, BxOpcodeInfoG3Ed }, /* F8 */ { 0, &BX_CPU_C::CLC }, /* F9 */ { 0, &BX_CPU_C::STC }, /* FA */ { 0, &BX_CPU_C::CLI }, /* FB */ { 0, &BX_CPU_C::STI }, /* FC */ { 0, &BX_CPU_C::CLD }, /* FD */ { 0, &BX_CPU_C::STD }, /* FE */ { BxAnother | BxGroup4, NULL, BxOpcodeInfoG4 }, /* FF */ { BxAnother | BxGroup5, NULL, BxOpcodeInfoG5d }, /* 0F 00 */ { BxAnother | BxGroup6, NULL, BxOpcodeInfoG6 }, /* 0F 01 */ { BxAnother | BxGroup7, NULL, BxOpcodeInfoG7 }, /* 0F 02 */ { BxAnother, &BX_CPU_C::LAR_GvEw }, /* 0F 03 */ { BxAnother, &BX_CPU_C::LSL_GvEw }, /* 0F 04 */ { 0, &BX_CPU_C::BxError }, #if BX_SUPPORT_X86_64 /* 0F 05 */ { 0, &BX_CPU_C::SYSCALL }, #elif BX_CPU_LEVEL == 2 /* 0F 05 */ { 0, &BX_CPU_C::LOADALL }, #else /* 0F 05 */ { 0, &BX_CPU_C::BxError }, #endif /* 0F 06 */ { 0, &BX_CPU_C::CLTS }, #if BX_SUPPORT_X86_64 /* 0F 07 */ { 0, &BX_CPU_C::SYSRET }, #else /* 0F 07 */ { 0, &BX_CPU_C::BxError }, #endif /* 0F 08 */ { 0, &BX_CPU_C::INVD }, /* 0F 09 */ { 0, &BX_CPU_C::WBINVD }, /* 0F 0A */ { 0, &BX_CPU_C::BxError }, /* 0F 0B */ { 0, &BX_CPU_C::UndefinedOpcode }, // UD2 opcode /* 0F 0C */ { 0, &BX_CPU_C::BxError }, #if BX_SUPPORT_X86_64 || BX_SUPPORT_3DNOW /* 0F 0D */ { BxAnother, &BX_CPU_C::NOP }, // 3DNow! PREFETCH on AMD, NOP on Intel #else /* 0F 0D */ { 0, &BX_CPU_C::BxError }, #endif #if BX_SUPPORT_3DNOW /* 0F 0E */ { 0, &BX_CPU_C::EMMS }, // 3DNow! FEMMS /* 0F 0F */ { BxAnother | BxImmediate_Ib, NULL, Bx3DNowOpcodeInfo }, #else /* 0F 0E */ { 0, &BX_CPU_C::BxError }, /* 0F 0F */ { 0, &BX_CPU_C::BxError }, #endif /* 0F 10 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f10 }, /* 0F 11 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f11 }, /* 0F 12 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f12 }, /* 0F 13 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f13 }, /* 0F 14 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f14 }, /* 0F 15 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f15 }, /* 0F 16 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f16 }, /* 0F 17 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f17 }, /* 0F 18 */ { BxAnother | BxGroup16, NULL, BxOpcodeInfoG16 }, /* 0F 19 */ { 0, &BX_CPU_C::BxError }, /* 0F 1A */ { 0, &BX_CPU_C::BxError }, /* 0F 1B */ { 0, &BX_CPU_C::BxError }, /* 0F 1C */ { 0, &BX_CPU_C::BxError }, /* 0F 1D */ { 0, &BX_CPU_C::BxError }, /* 0F 1E */ { 0, &BX_CPU_C::BxError }, #if BX_CPU_LEVEL < 6 /* 0F 1F */ { 0, &BX_CPU_C::BxError }, #else /* 0F 1F */ { BxAnother, &BX_CPU_C::NOP }, // multi-byte NOP #endif /* 0F 20 */ { BxAnother, &BX_CPU_C::MOV_RdCd }, /* 0F 21 */ { BxAnother, &BX_CPU_C::MOV_RdDd }, /* 0F 22 */ { BxAnother, &BX_CPU_C::MOV_CdRd }, /* 0F 23 */ { BxAnother, &BX_CPU_C::MOV_DdRd }, /* 0F 24 */ { BxAnother, &BX_CPU_C::MOV_RdTd }, /* 0F 25 */ { 0, &BX_CPU_C::BxError }, /* 0F 26 */ { BxAnother, &BX_CPU_C::MOV_TdRd }, /* 0F 27 */ { 0, &BX_CPU_C::BxError }, /* 0F 28 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f28 }, /* 0F 29 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f29 }, /* 0F 2A */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f2a }, /* 0F 2B */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f2b }, /* 0F 2C */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f2c }, /* 0F 2D */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f2d }, /* 0F 2E */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f2e }, /* 0F 2F */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f2f }, /* 0F 30 */ { 0, &BX_CPU_C::WRMSR }, /* 0F 31 */ { 0, &BX_CPU_C::RDTSC }, /* 0F 32 */ { 0, &BX_CPU_C::RDMSR }, /* 0F 33 */ { 0, &BX_CPU_C::RDPMC }, /* 0F 34 */ { 0, &BX_CPU_C::SYSENTER }, /* 0F 35 */ { 0, &BX_CPU_C::SYSEXIT }, /* 0F 36 */ { 0, &BX_CPU_C::BxError }, /* 0F 37 */ { 0, &BX_CPU_C::BxError }, #if BX_SUPPORT_SSE >= 4 /* 0F 38 */ { BxAnother | Bx3ByteOpcode, NULL, BxOpcode3ByteTableA4 }, // 3-byte escape #else /* 0F 38 */ { 0, &BX_CPU_C::BxError }, #endif /* 0F 39 */ { 0, &BX_CPU_C::BxError }, #if BX_SUPPORT_SSE >= 4 /* 0F 3A */ { BxAnother | Bx3ByteOpcode, NULL, BxOpcode3ByteTableA5 }, // 3-byte escape #else /* 0F 3A */ { 0, &BX_CPU_C::BxError }, #endif /* 0F 3B */ { 0, &BX_CPU_C::BxError }, /* 0F 3C */ { 0, &BX_CPU_C::BxError }, /* 0F 3D */ { 0, &BX_CPU_C::BxError }, /* 0F 3E */ { 0, &BX_CPU_C::BxError }, /* 0F 3F */ { 0, &BX_CPU_C::BxError }, /* 0F 40 */ { BxAnother, &BX_CPU_C::CMOV_GdEd }, /* 0F 41 */ { BxAnother, &BX_CPU_C::CMOV_GdEd }, /* 0F 42 */ { BxAnother, &BX_CPU_C::CMOV_GdEd }, /* 0F 43 */ { BxAnother, &BX_CPU_C::CMOV_GdEd }, /* 0F 44 */ { BxAnother, &BX_CPU_C::CMOV_GdEd }, /* 0F 45 */ { BxAnother, &BX_CPU_C::CMOV_GdEd }, /* 0F 46 */ { BxAnother, &BX_CPU_C::CMOV_GdEd }, /* 0F 47 */ { BxAnother, &BX_CPU_C::CMOV_GdEd }, /* 0F 48 */ { BxAnother, &BX_CPU_C::CMOV_GdEd }, /* 0F 49 */ { BxAnother, &BX_CPU_C::CMOV_GdEd }, /* 0F 4A */ { BxAnother, &BX_CPU_C::CMOV_GdEd }, /* 0F 4B */ { BxAnother, &BX_CPU_C::CMOV_GdEd }, /* 0F 4C */ { BxAnother, &BX_CPU_C::CMOV_GdEd }, /* 0F 4D */ { BxAnother, &BX_CPU_C::CMOV_GdEd }, /* 0F 4E */ { BxAnother, &BX_CPU_C::CMOV_GdEd }, /* 0F 4F */ { BxAnother, &BX_CPU_C::CMOV_GdEd }, /* 0F 50 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f50 }, /* 0F 51 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f51 }, /* 0F 52 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f52 }, /* 0F 53 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f53 }, /* 0F 54 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f54 }, /* 0F 55 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f55 }, /* 0F 56 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f56 }, /* 0F 57 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f57 }, /* 0F 58 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f58 }, /* 0F 59 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f59 }, /* 0F 5A */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f5a }, /* 0F 5B */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f5b }, /* 0F 5C */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f5c }, /* 0F 5D */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f5d }, /* 0F 5E */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f5e }, /* 0F 5F */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f5f }, /* 0F 60 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f60 }, /* 0F 61 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f61 }, /* 0F 62 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f62 }, /* 0F 63 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f63 }, /* 0F 64 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f64 }, /* 0F 65 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f65 }, /* 0F 66 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f66 }, /* 0F 67 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f67 }, /* 0F 68 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f68 }, /* 0F 69 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f69 }, /* 0F 6A */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f6a }, /* 0F 6B */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f6b }, /* 0F 6C */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f6c }, /* 0F 6D */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f6d }, /* 0F 6E */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f6e }, /* 0F 6F */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f6f }, /* 0F 70 */ { BxAnother | BxImmediate_Ib | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f70 }, /* 0F 71 */ { BxAnother | BxGroup12, NULL, BxOpcodeInfoG12 }, /* 0F 72 */ { BxAnother | BxGroup13, NULL, BxOpcodeInfoG13 }, /* 0F 73 */ { BxAnother | BxGroup14, NULL, BxOpcodeInfoG14 }, /* 0F 74 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f74 }, /* 0F 75 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f75 }, /* 0F 76 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f76 }, /* 0F 77 */ { 0, &BX_CPU_C::EMMS }, /* 0F 78 */ { 0, &BX_CPU_C::BxError }, /* 0F 79 */ { 0, &BX_CPU_C::BxError }, /* 0F 7A */ { 0, &BX_CPU_C::BxError }, /* 0F 7B */ { 0, &BX_CPU_C::BxError }, /* 0F 7C */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f7c }, /* 0F 7D */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f7d }, /* 0F 7E */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f7e }, /* 0F 7F */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f7f }, /* 0F 80 */ { BxImmediate_BrOff32, &BX_CPU_C::JCC_Jd }, /* 0F 81 */ { BxImmediate_BrOff32, &BX_CPU_C::JCC_Jd }, /* 0F 82 */ { BxImmediate_BrOff32, &BX_CPU_C::JCC_Jd }, /* 0F 83 */ { BxImmediate_BrOff32, &BX_CPU_C::JCC_Jd }, /* 0F 84 */ { BxImmediate_BrOff32, &BX_CPU_C::JZ_Jd }, /* 0F 85 */ { BxImmediate_BrOff32, &BX_CPU_C::JNZ_Jd }, /* 0F 86 */ { BxImmediate_BrOff32, &BX_CPU_C::JCC_Jd }, /* 0F 87 */ { BxImmediate_BrOff32, &BX_CPU_C::JCC_Jd }, /* 0F 88 */ { BxImmediate_BrOff32, &BX_CPU_C::JCC_Jd }, /* 0F 89 */ { BxImmediate_BrOff32, &BX_CPU_C::JCC_Jd }, /* 0F 8A */ { BxImmediate_BrOff32, &BX_CPU_C::JCC_Jd }, /* 0F 8B */ { BxImmediate_BrOff32, &BX_CPU_C::JCC_Jd }, /* 0F 8C */ { BxImmediate_BrOff32, &BX_CPU_C::JCC_Jd }, /* 0F 8D */ { BxImmediate_BrOff32, &BX_CPU_C::JCC_Jd }, /* 0F 8E */ { BxImmediate_BrOff32, &BX_CPU_C::JCC_Jd }, /* 0F 8F */ { BxImmediate_BrOff32, &BX_CPU_C::JCC_Jd }, /* 0F 90 */ { BxAnother, &BX_CPU_C::SETO_Eb }, /* 0F 91 */ { BxAnother, &BX_CPU_C::SETNO_Eb }, /* 0F 92 */ { BxAnother, &BX_CPU_C::SETB_Eb }, /* 0F 93 */ { BxAnother, &BX_CPU_C::SETNB_Eb }, /* 0F 94 */ { BxAnother, &BX_CPU_C::SETZ_Eb }, /* 0F 95 */ { BxAnother, &BX_CPU_C::SETNZ_Eb }, /* 0F 96 */ { BxAnother, &BX_CPU_C::SETBE_Eb }, /* 0F 97 */ { BxAnother, &BX_CPU_C::SETNBE_Eb }, /* 0F 98 */ { BxAnother, &BX_CPU_C::SETS_Eb }, /* 0F 99 */ { BxAnother, &BX_CPU_C::SETNS_Eb }, /* 0F 9A */ { BxAnother, &BX_CPU_C::SETP_Eb }, /* 0F 9B */ { BxAnother, &BX_CPU_C::SETNP_Eb }, /* 0F 9C */ { BxAnother, &BX_CPU_C::SETL_Eb }, /* 0F 9D */ { BxAnother, &BX_CPU_C::SETNL_Eb }, /* 0F 9E */ { BxAnother, &BX_CPU_C::SETLE_Eb }, /* 0F 9F */ { BxAnother, &BX_CPU_C::SETNLE_Eb }, /* 0F A0 */ { 0, &BX_CPU_C::PUSH32_FS }, /* 0F A1 */ { 0, &BX_CPU_C::POP32_FS }, /* 0F A2 */ { 0, &BX_CPU_C::CPUID }, /* 0F A3 */ { BxAnother, &BX_CPU_C::BT_EdGd }, /* 0F A4 */ { BxAnother | BxImmediate_Ib, &BX_CPU_C::SHLD_EdGd }, /* 0F A5 */ { BxAnother, &BX_CPU_C::SHLD_EdGd }, /* 0F A6 */ { 0, &BX_CPU_C::CMPXCHG_XBTS }, /* 0F A7 */ { 0, &BX_CPU_C::CMPXCHG_IBTS }, /* 0F A8 */ { 0, &BX_CPU_C::PUSH32_GS }, /* 0F A9 */ { 0, &BX_CPU_C::POP32_GS }, /* 0F AA */ { 0, &BX_CPU_C::RSM }, /* 0F AB */ { BxAnother | BxLockable, &BX_CPU_C::BTS_EdGd }, /* 0F AC */ { BxAnother | BxImmediate_Ib, &BX_CPU_C::SHRD_EdGd }, /* 0F AD */ { BxAnother, &BX_CPU_C::SHRD_EdGd }, /* 0F AE */ { BxAnother | BxGroup15, NULL, BxOpcodeInfoG15 }, /* 0F AF */ { BxAnother, &BX_CPU_C::IMUL_GdEd }, /* 0F B0 */ { BxAnother | BxLockable, &BX_CPU_C::CMPXCHG_EbGb }, /* 0F B1 */ { BxAnother | BxLockable, &BX_CPU_C::CMPXCHG_EdGd }, /* 0F B2 */ { BxAnother, &BX_CPU_C::LSS_GvMp }, /* 0F B3 */ { BxAnother | BxLockable, &BX_CPU_C::BTR_EdGd }, /* 0F B4 */ { BxAnother, &BX_CPU_C::LFS_GvMp }, /* 0F B5 */ { BxAnother, &BX_CPU_C::LGS_GvMp }, /* 0F B6 */ { BxAnother, &BX_CPU_C::MOVZX_GdEb }, /* 0F B7 */ { BxAnother, &BX_CPU_C::MOVZX_GdEw }, /* 0F B8 */ { 0, &BX_CPU_C::BxError }, /* 0F B9 */ { 0, &BX_CPU_C::UndefinedOpcode }, // UD2 opcode /* 0F BA */ { BxAnother | BxGroup8, NULL, BxOpcodeInfoG8EdIb }, /* 0F BB */ { BxAnother | BxLockable, &BX_CPU_C::BTC_EdGd }, /* 0F BC */ { BxAnother, &BX_CPU_C::BSF_GdEd }, /* 0F BD */ { BxAnother, &BX_CPU_C::BSR_GdEd }, /* 0F BE */ { BxAnother, &BX_CPU_C::MOVSX_GdEb }, /* 0F BF */ { BxAnother, &BX_CPU_C::MOVSX_GdEw }, /* 0F C0 */ { BxAnother | BxLockable, &BX_CPU_C::XADD_EbGb }, /* 0F C1 */ { BxAnother | BxLockable, &BX_CPU_C::XADD_EdGd }, /* 0F C2 */ { BxAnother | BxImmediate_Ib | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fc2 }, /* 0F C3 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fc3 }, /* 0F C4 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fc4 }, /* 0F C5 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fc5 }, /* 0F C6 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fc6 }, /* 0F C7 */ { BxAnother | BxGroup9, NULL, BxOpcodeInfoG9 }, /* 0F C8 */ { 0, &BX_CPU_C::BSWAP_ERX }, /* 0F C9 */ { 0, &BX_CPU_C::BSWAP_ERX }, /* 0F CA */ { 0, &BX_CPU_C::BSWAP_ERX }, /* 0F CB */ { 0, &BX_CPU_C::BSWAP_ERX }, /* 0F CC */ { 0, &BX_CPU_C::BSWAP_ERX }, /* 0F CD */ { 0, &BX_CPU_C::BSWAP_ERX }, /* 0F CE */ { 0, &BX_CPU_C::BSWAP_ERX }, /* 0F CF */ { 0, &BX_CPU_C::BSWAP_ERX }, /* 0F D0 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd0 }, /* 0F D1 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd1 }, /* 0F D2 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd2 }, /* 0F D3 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd3 }, /* 0F D4 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd4 }, /* 0F D5 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd5 }, /* 0F D6 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd6 }, /* 0F D7 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd7 }, /* 0F D8 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd8 }, /* 0F D9 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd9 }, /* 0F DA */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fda }, /* 0F DB */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fdb }, /* 0F DC */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fdc }, /* 0F DD */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fdd }, /* 0F DE */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fde }, /* 0F DF */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fdf }, /* 0F E0 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe0 }, /* 0F E1 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe1 }, /* 0F E2 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe2 }, /* 0F E3 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe3 }, /* 0F E4 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe4 }, /* 0F E5 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe5 }, /* 0F E6 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe6 }, /* 0F E7 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe7 }, /* 0F E8 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe8 }, /* 0F E9 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe9 }, /* 0F EA */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fea }, /* 0F EB */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0feb }, /* 0F EC */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fec }, /* 0F ED */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fed }, /* 0F EE */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fee }, /* 0F EF */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fef }, /* 0F F0 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff0 }, /* 0F F1 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff1 }, /* 0F F2 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff2 }, /* 0F F3 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff3 }, /* 0F F4 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff4 }, /* 0F F5 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff5 }, /* 0F F6 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff6 }, /* 0F F7 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff7 }, /* 0F F8 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff8 }, /* 0F F9 */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff9 }, /* 0F FA */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ffa }, /* 0F FB */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ffb }, /* 0F FC */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ffc }, /* 0F FD */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ffd }, /* 0F FE */ { BxAnother | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ffe }, /* 0F FF */ { 0, &BX_CPU_C::BxError } }; unsigned BX_CPU_C::fetchDecode(Bit8u *iptr, bxInstruction_c *instruction, unsigned remain) { // remain must be at least 1 bx_bool is_32, lock=0; unsigned b1, b2, ilen=0, attr, os_32; unsigned imm_mode, offset; unsigned rm = 0, mod=0, nnn=0; #if BX_SUPPORT_SSE >= 4 unsigned b3 = 0; #endif #define SSE_PREFIX_NONE 0 #define SSE_PREFIX_66 1 #define SSE_PREFIX_F2 2 #define SSE_PREFIX_F3 3 /* only one SSE prefix could be used */ unsigned sse_prefix = SSE_PREFIX_NONE; os_32 = is_32 = BX_CPU_THIS_PTR sregs[BX_SEG_REG_CS].cache.u.segment.d_b; instruction->ResolveModrm = NULL; instruction->initMetaInfo(BX_SEG_REG_NULL, /*os32*/ is_32, /*as32*/ is_32, /*os64*/ 0, /*as64*/ 0); offset = os_32 << 9; // * 512 fetch_b1: b1 = *iptr++; ilen++; attr = BxOpcodeInfo[b1+offset].Attr; if (attr & BxPrefix) { BX_INSTR_PREFIX(BX_CPU_ID, b1); switch (b1) { case 0x66: // OpSize os_32 = !is_32; offset = os_32 << 9; if(!sse_prefix) sse_prefix = SSE_PREFIX_66; instruction->setOs32B(os_32); if (ilen < remain) { goto fetch_b1; } return(0); case 0x67: // AddrSize instruction->setAs32B(!is_32); if (ilen < remain) { goto fetch_b1; } return(0); case 0xf2: // REPNE/REPNZ if(!sse_prefix) sse_prefix = SSE_PREFIX_F2; instruction->setRepUsed(b1 & 3); if (ilen < remain) { goto fetch_b1; } return(0); case 0xf3: // REP/REPE/REPZ if(!sse_prefix) sse_prefix = SSE_PREFIX_F3; instruction->setRepUsed(b1 & 3); if (ilen < remain) { goto fetch_b1; } return(0); case 0x2e: // CS: instruction->setSeg(BX_SEG_REG_CS); if (ilen < remain) { goto fetch_b1; } return(0); case 0x26: // ES: instruction->setSeg(BX_SEG_REG_ES); if (ilen < remain) { goto fetch_b1; } return(0); case 0x36: // SS: instruction->setSeg(BX_SEG_REG_SS); if (ilen < remain) { goto fetch_b1; } return(0); case 0x3e: // DS: instruction->setSeg(BX_SEG_REG_DS); if (ilen < remain) { goto fetch_b1; } return(0); case 0x64: // FS: instruction->setSeg(BX_SEG_REG_FS); if (ilen < remain) { goto fetch_b1; } return(0); case 0x65: // GS: instruction->setSeg(BX_SEG_REG_GS); if (ilen < remain) { goto fetch_b1; } return(0); case 0xf0: // LOCK: lock = 1; if (ilen < remain) { goto fetch_b1; } return(0); default: BX_PANIC(("fetch_decode: prefix default = 0x%02x", b1)); return(0); } } // handle 2-byte escape if (b1 == 0x0f) { if (ilen < remain) { ilen++; b1 = 0x100 | *iptr++; } else return(0); } attr = BxOpcodeInfo[b1+offset].Attr; instruction->setRepAttr(attr & (BxRepeatable | BxRepeatableZF)); #if BX_SUPPORT_SSE >= 4 // handle 3-byte escape if (attr & Bx3ByteOpcode) { if (ilen < remain) { ilen++; b3 = *iptr++; } else return(0); } #endif if (attr & BxAnother) { // opcode requires modrm byte if (ilen < remain) { ilen++; b2 = *iptr++; } else return(0); // Parse mod-nnn-rm and related bytes mod = b2 & 0xc0; // leave unshifted nnn = (b2 >> 3) & 0x07; rm = b2 & 0x07; instruction->modRMForm.modRMData = (b2<<20); instruction->modRMForm.modRMData |= mod; instruction->modRMForm.modRMData |= (nnn<<8); instruction->modRMForm.modRMData |= rm; // MOVs with CRx and DRx always use register ops and ignore the mod field. if ((b1 & ~3) == 0x120) mod = 0xc0; if (mod == 0xc0) { // mod == 11b instruction->metaInfo |= (1<<22); // (modC0) goto modrm_done; } if (instruction->as32L()) { // 32-bit addressing modes; note that mod==11b handled above if (rm != 4) { // no s-i-b byte if (mod == 0x00) { // mod == 00b instruction->ResolveModrm = BxResolve32Mod0[rm]; if (BX_NULL_SEG_REG(instruction->seg())) instruction->setSeg(BX_SEG_REG_DS); if (rm == 5) { if ((ilen+3) < remain) { instruction->modRMForm.displ32u = FetchDWORD(iptr); iptr += 4; ilen += 4; goto modrm_done; } else return(0); } // mod==00b, rm!=4, rm!=5 goto modrm_done; } if (mod == 0x40) { // mod == 01b instruction->ResolveModrm = BxResolve32Mod1or2[rm]; if (BX_NULL_SEG_REG(instruction->seg())) instruction->setSeg(BX_CPU_THIS_PTR sreg_mod01or10_rm32[rm]); get_8bit_displ: if (ilen < remain) { // 8 sign extended to 32 instruction->modRMForm.displ32u = (Bit8s) *iptr++; ilen++; goto modrm_done; } else return(0); } // (mod == 0x80) mod == 10b instruction->ResolveModrm = BxResolve32Mod1or2[rm]; if (BX_NULL_SEG_REG(instruction->seg())) instruction->setSeg(BX_CPU_THIS_PTR sreg_mod01or10_rm32[rm]); get_32bit_displ: if ((ilen+3) < remain) { instruction->modRMForm.displ32u = FetchDWORD(iptr); iptr += 4; ilen += 4; goto modrm_done; } else return(0); } else { // mod!=11b, rm==4, s-i-b byte follows unsigned sib, base, index, scale; if (ilen < remain) { sib = *iptr++; ilen++; } else { return(0); } base = sib & 0x07; sib >>= 3; index = sib & 0x07; sib >>= 3; scale = sib; instruction->modRMForm.modRMData |= (base<<12); instruction->modRMForm.modRMData |= (index<<16); instruction->modRMForm.modRMData |= (scale<<4); if (mod == 0x00) { // mod==00b, rm==4 instruction->ResolveModrm = BxResolve32Mod0Base[base]; if (BX_NULL_SEG_REG(instruction->seg())) instruction->setSeg(BX_CPU_THIS_PTR sreg_mod0_base32[base]); if (base == 0x05) goto get_32bit_displ; // mod==00b, rm==4, base!=5 goto modrm_done; } if (mod == 0x40) { // mod==01b, rm==4 instruction->ResolveModrm = BxResolve32Mod1or2Base[base]; if (BX_NULL_SEG_REG(instruction->seg())) instruction->setSeg(BX_CPU_THIS_PTR sreg_mod1or2_base32[base]); goto get_8bit_displ; } // (mod == 0x80), mod==10b, rm==4 instruction->ResolveModrm = BxResolve32Mod1or2Base[base]; if (BX_NULL_SEG_REG(instruction->seg())) instruction->setSeg(BX_CPU_THIS_PTR sreg_mod1or2_base32[base]); goto get_32bit_displ; } } else { // 16-bit addressing modes, mod==11b handled above if (mod == 0x40) { // mod == 01b instruction->ResolveModrm = BxResolve16Mod1or2[rm]; if (BX_NULL_SEG_REG(instruction->seg())) instruction->setSeg(BX_CPU_THIS_PTR sreg_mod01or10_rm16[rm]); if (ilen < remain) { // 8 sign extended to 16 instruction->modRMForm.displ16u = (Bit8s) *iptr++; ilen++; goto modrm_done; } else return(0); } if (mod == 0x80) { // mod == 10b instruction->ResolveModrm = BxResolve16Mod1or2[rm]; if (BX_NULL_SEG_REG(instruction->seg())) instruction->setSeg(BX_CPU_THIS_PTR sreg_mod01or10_rm16[rm]); if ((ilen+1) < remain) { instruction->modRMForm.displ16u = FetchWORD(iptr); iptr += 2; ilen += 2; goto modrm_done; } else return(0); } // mod must be 00b at this point instruction->ResolveModrm = BxResolve16Mod0[rm]; if (BX_NULL_SEG_REG(instruction->seg())) instruction->setSeg(BX_CPU_THIS_PTR sreg_mod00_rm16[rm]); if (rm == 0x06) { if ((ilen+1) < remain) { instruction->modRMForm.displ16u = FetchWORD(iptr); iptr += 2; ilen += 2; goto modrm_done; } else return(0); } // mod=00b rm!=6 } modrm_done: // Resolve ExecutePtr and additional opcode Attr const BxOpcodeInfo_t *OpcodeInfoPtr = &(BxOpcodeInfo[b1+offset]); while(attr & BxGroupX) { Bit32u Group = attr & BxGroupX; attr &= ~BxGroupX; switch(Group) { case BxGroupN: OpcodeInfoPtr = &(OpcodeInfoPtr->AnotherArray[nnn]); break; case BxRMGroup: OpcodeInfoPtr = &(OpcodeInfoPtr->AnotherArray[rm]); break; #if BX_SUPPORT_SSE >= 4 case Bx3ByteOpTable: OpcodeInfoPtr = &(OpcodeInfoPtr->AnotherArray[b3 >> 4]); break; case Bx3ByteOpIndex: OpcodeInfoPtr = &(OpcodeInfoPtr->AnotherArray[b3 & 15]); break; #endif case BxPrefixSSE: /* For SSE opcodes, look into another 4 entries table with the opcode prefixes (NONE, 0x66, 0xF2, 0xF3) */ BX_ASSERT(sse_prefix < 4); OpcodeInfoPtr = &(OpcodeInfoPtr->AnotherArray[sse_prefix]); break; case BxSplitMod11b: /* For high frequency opcodes, two variants of the instruction are * implemented; one for the mod=11b case (Reg-Reg), and one for * the other cases (Reg-Mem). If this is one of those cases, * we need to dereference to get to the execute pointer. */ OpcodeInfoPtr = &(OpcodeInfoPtr->AnotherArray[mod==0xc0]); break; #if BX_SUPPORT_FPU case BxFPGroup: if (mod != 0xc0) // mod != 11b OpcodeInfoPtr = &(OpcodeInfoPtr->AnotherArray[nnn]); else { int index = (b1-0xD8)*64 + (0x3f & b2); OpcodeInfoPtr = &(BxOpcodeInfo_FloatingPoint[index]); } break; #endif default: BX_PANIC(("fetchdecode: Unknown opcode group")); } /* get additional attributes from group table */ attr |= OpcodeInfoPtr->Attr; } instruction->execute = OpcodeInfoPtr->ExecutePtr; instruction->setRepAttr(attr & (BxRepeatable | BxRepeatableZF)); } else { // Opcode does not require a MODRM byte. // Note that a 2-byte opcode (0F XX) will jump to before // the if() above after fetching the 2nd byte, so this path is // taken in all cases if a modrm byte is NOT required. instruction->execute = BxOpcodeInfo[b1+offset].ExecutePtr; instruction->IxForm.opcodeReg = b1 & 7; } if (lock) { // lock prefix invalid opcode // lock prefix not allowed or destination operand is not memory if ((mod == 0xc0) || !(attr & BxLockable)) { BX_INFO(("LOCK prefix unallowed (op1=0x%x, attr=0x%x, mod=0x%x, nnn=%u)", b1, attr, mod, nnn)); UndefinedOpcode(instruction); } } imm_mode = attr & BxImmediate; if (imm_mode) { switch (imm_mode) { case BxImmediate_Ib: if (ilen < remain) { instruction->modRMForm.Ib = *iptr; ilen++; } else { return(0); } break; case BxImmediate_Ib_SE: // Sign extend to OS size if (ilen < remain) { Bit8s temp8s = *iptr; if (instruction->os32L()) instruction->modRMForm.Id = (Bit32s) temp8s; else instruction->modRMForm.Iw = (Bit16s) temp8s; ilen++; } else { return(0); } break; case BxImmediate_Iv: // same as BxImmediate_BrOff32 case BxImmediate_IvIw: // CALL_Ap if (instruction->os32L()) { if ((ilen+3) < remain) { instruction->modRMForm.Id = FetchDWORD(iptr); iptr += 4; ilen += 4; } else return(0); } else { if ((ilen+1) < remain) { instruction->modRMForm.Iw = FetchWORD(iptr); iptr += 2; ilen += 2; } else return(0); } if (imm_mode != BxImmediate_IvIw) break; // Get Iw for BxImmediate_IvIw if ((ilen+1) < remain) { instruction->IxIxForm.Iw2 = FetchWORD(iptr); ilen += 2; } else { return(0); } break; case BxImmediate_O: // For instructions which embed the address in the opcode. if (instruction->as32L()) { // fetch 32bit address into Id if ((ilen+3) < remain) { instruction->modRMForm.Id = FetchDWORD(iptr); ilen += 4; } else return(0); } else { // fetch 16bit address into Id if ((ilen+1) < remain) { instruction->modRMForm.Id = (Bit32u) FetchWORD(iptr); ilen += 2; } else return(0); } break; case BxImmediate_Iw: case BxImmediate_IwIb: if ((ilen+1) < remain) { instruction->modRMForm.Iw = FetchWORD(iptr); iptr += 2; ilen += 2; } else { return(0); } if (imm_mode == BxImmediate_Iw) break; if (ilen < remain) { instruction->IxIxForm.Ib2 = *iptr; ilen++; } else { return(0); } break; case BxImmediate_BrOff8: if (ilen < remain) { Bit8s temp8s = *iptr; instruction->modRMForm.Id = temp8s; ilen++; } else { return(0); } break; case BxImmediate_BrOff16: if ((ilen+1) < remain) { instruction->modRMForm.Id = (Bit16s) FetchWORD(iptr); ilen += 2; } else { return(0); } break; default: BX_INFO(("b1 was %x", b1)); BX_PANIC(("fetchdecode: imm_mode = %u", imm_mode)); } } #if BX_SUPPORT_3DNOW if(b1 == 0x10f) instruction->execute = Bx3DNowOpcodeInfo[instruction->modRMForm.Ib].ExecutePtr; #endif if (BX_NULL_SEG_REG(instruction->seg())) instruction->setSeg(BX_SEG_REG_DS); instruction->setB1(b1); instruction->setILen(ilen); return(1); } void BX_CPU_C::BxError(bxInstruction_c *i) { BX_INFO(("BxError: instruction with opcode=0x%x", i->b1())); BX_INFO(("mod was %x, nnn was %u, rm was %u", i->mod(), i->nnn(), i->rm())); BX_INFO(("WARNING: Encountered an unknown instruction (signalling illegal instruction)")); BX_CPU_THIS_PTR UndefinedOpcode(i); }