2174 lines
82 KiB
C++
2174 lines
82 KiB
C++
/////////////////////////////////////////////////////////////////////////
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// $Id$
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/////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2001-2013 The Bochs Project
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA B 02110-1301 USA
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//
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/////////////////////////////////////////////////////////////////////////
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#define NEED_CPU_REG_SHORTCUTS 1
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#include "bochs.h"
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#include "cpu.h"
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#define LOG_THIS BX_CPU_THIS_PTR
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///////////////////////////
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// prefix bytes
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// opcode bytes
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// modrm/sib
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// address displacement
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// immediate constant
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///////////////////////////
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#define X 0 /* undefined opcode */
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static const Bit8u BxOpcodeHasModrm32[512] = {
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/* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
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/* ------------------------------- */
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/* 00 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,X,
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/* 10 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0,
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/* 20 */ 1,1,1,1,0,0,X,0,1,1,1,1,0,0,X,0,
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/* 30 */ 1,1,1,1,0,0,X,0,1,1,1,1,0,0,X,0,
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/* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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/* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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/* 60 */ 0,0,1,1,X,X,X,X,0,1,0,1,0,0,0,0,
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/* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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/* 80 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
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/* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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/* A0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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/* B0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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/* C0 */ 1,1,0,0,1,1,1,1,0,0,0,0,0,0,0,0,
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/* D0 */ 1,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1,
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/* E0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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/* F0 */ X,0,X,X,0,0,1,1,0,0,0,0,0,0,1,1,
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/* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
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/* ------------------------------- */
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1,1,1,1,X,0,0,0,0,0,X,0,X,1,0,1, /* 0F 00 */
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1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 0F 10 */
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1,1,1,1,1,X,1,X,1,1,1,1,1,1,1,1, /* 0F 20 */
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0,0,0,0,0,0,X,X,1,X,1,X,X,X,X,X, /* 0F 30 */
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1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 0F 40 */
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1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 0F 50 */
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1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 0F 60 */
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1,1,1,1,1,1,1,0,1,1,X,X,1,1,1,1, /* 0F 70 */
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0F 80 */
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1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 0F 90 */
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0,0,0,1,1,1,0,0,0,0,0,1,1,1,1,1, /* 0F A0 */
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1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 0F B0 */
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1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0, /* 0F C0 */
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1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 0F D0 */
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1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 0F E0 */
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1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,X /* 0F F0 */
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/* ------------------------------- */
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/* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
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};
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#undef X
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// Some info on the opcodes at {0F A6} and {0F A7}
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//
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// On 386 steps A0-B0:
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// {OF A6} = XBTS
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// {OF A7} = IBTS
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// On 486 steps A0-B0:
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// {OF A6} = CMPXCHG 8
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// {OF A7} = CMPXCHG 16|32
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//
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// On 486 >= B steps, and further processors, the
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// CMPXCHG instructions were moved to opcodes:
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// {OF B0} = CMPXCHG 8
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// {OF B1} = CMPXCHG 16|32
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static unsigned Resolve16BaseReg[8] = {
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BX_16BIT_REG_BX,
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BX_16BIT_REG_BX,
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BX_16BIT_REG_BP,
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BX_16BIT_REG_BP,
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BX_16BIT_REG_SI,
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BX_16BIT_REG_DI,
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BX_16BIT_REG_BP,
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BX_16BIT_REG_BX
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};
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static unsigned Resolve16IndexReg[8] = {
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BX_16BIT_REG_SI,
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BX_16BIT_REG_DI,
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BX_16BIT_REG_SI,
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BX_16BIT_REG_DI,
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BX_NIL_REGISTER,
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BX_NIL_REGISTER,
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BX_NIL_REGISTER,
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BX_NIL_REGISTER
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};
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// decoding instructions; accessing seg reg's by index
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static unsigned sreg_mod00_rm16[8] = {
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BX_SEG_REG_DS,
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BX_SEG_REG_DS,
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BX_SEG_REG_SS,
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BX_SEG_REG_SS,
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BX_SEG_REG_DS,
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BX_SEG_REG_DS,
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BX_SEG_REG_DS,
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BX_SEG_REG_DS
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};
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static unsigned sreg_mod01or10_rm16[8] = {
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BX_SEG_REG_DS,
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BX_SEG_REG_DS,
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BX_SEG_REG_SS,
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BX_SEG_REG_SS,
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BX_SEG_REG_DS,
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BX_SEG_REG_DS,
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BX_SEG_REG_SS,
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BX_SEG_REG_DS
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};
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// decoding instructions; accessing seg reg's by index
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static unsigned sreg_mod0_base32[8] = {
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BX_SEG_REG_DS,
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BX_SEG_REG_DS,
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BX_SEG_REG_DS,
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BX_SEG_REG_DS,
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BX_SEG_REG_SS,
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BX_SEG_REG_DS,
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BX_SEG_REG_DS,
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BX_SEG_REG_DS
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};
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static unsigned sreg_mod1or2_base32[8] = {
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BX_SEG_REG_DS,
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BX_SEG_REG_DS,
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BX_SEG_REG_DS,
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BX_SEG_REG_DS,
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BX_SEG_REG_SS,
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BX_SEG_REG_SS,
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BX_SEG_REG_DS,
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BX_SEG_REG_DS
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};
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// common fetchdecode32/64 opcode tables
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#include "fetchdecode.h"
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// table of all Bochs opcodes
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bxIAOpcodeTable BxOpcodesTable[] = {
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#define bx_define_opcode(a, b, c, d, s1, s2, s3, s4, e) { b, c, { s1, s2, s3, s4 }, e },
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#include "ia_opcodes.h"
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};
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#undef bx_define_opcode
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/* ************************** */
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/* 512 entries for 16bit mode */
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/* 512 entries for 32bit mode */
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/* ************************** */
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static const BxOpcodeInfo_t BxOpcodeInfo32[512*2] = {
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// 512 entries for 16bit mode
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/* 00 /w */ { BxLockable, BX_IA_ADD_EbGb },
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/* 01 /w */ { BxLockable, BX_IA_ADD_EwGw },
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/* 02 /w */ { 0, BX_IA_ADD_GbEb },
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/* 03 /w */ { 0, BX_IA_ADD_GwEw },
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/* 04 /w */ { BxImmediate_Ib, BX_IA_ADD_ALIb },
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/* 05 /w */ { BxImmediate_Iw, BX_IA_ADD_AXIw },
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/* 06 /w */ { 0, BX_IA_PUSH_Op16_Sw },
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/* 07 /w */ { 0, BX_IA_POP_Op16_Sw },
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/* 08 /w */ { BxLockable, BX_IA_OR_EbGb },
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/* 09 /w */ { BxLockable, BX_IA_OR_EwGw },
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/* 0A /w */ { 0, BX_IA_OR_GbEb },
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/* 0B /w */ { 0, BX_IA_OR_GwEw },
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/* 0C /w */ { BxImmediate_Ib, BX_IA_OR_ALIb },
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/* 0D /w */ { BxImmediate_Iw, BX_IA_OR_AXIw },
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/* 0E /w */ { 0, BX_IA_PUSH_Op16_Sw },
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/* 0F /w */ { 0, BX_IA_ERROR }, // 2-byte escape
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/* 10 /w */ { BxLockable, BX_IA_ADC_EbGb },
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/* 11 /w */ { BxLockable, BX_IA_ADC_EwGw },
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/* 12 /w */ { 0, BX_IA_ADC_GbEb },
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/* 13 /w */ { 0, BX_IA_ADC_GwEw },
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/* 14 /w */ { BxImmediate_Ib, BX_IA_ADC_ALIb },
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/* 15 /w */ { BxImmediate_Iw, BX_IA_ADC_AXIw },
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/* 16 /w */ { 0, BX_IA_PUSH_Op16_Sw },
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/* 17 /w */ { 0, BX_IA_POP_Op16_Sw },
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/* 18 /w */ { BxLockable, BX_IA_SBB_EbGb },
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/* 19 /w */ { BxLockable, BX_IA_SBB_EwGw },
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/* 1A /w */ { 0, BX_IA_SBB_GbEb },
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/* 1B /w */ { 0, BX_IA_SBB_GwEw },
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/* 1C /w */ { BxImmediate_Ib, BX_IA_SBB_ALIb },
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/* 1D /w */ { BxImmediate_Iw, BX_IA_SBB_AXIw },
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/* 1E /w */ { 0, BX_IA_PUSH_Op16_Sw },
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/* 1F /w */ { 0, BX_IA_POP_Op16_Sw },
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/* 20 /w */ { BxLockable, BX_IA_AND_EbGb },
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/* 21 /w */ { BxLockable, BX_IA_AND_EwGw },
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/* 22 /w */ { 0, BX_IA_AND_GbEb },
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/* 23 /w */ { 0, BX_IA_AND_GwEw },
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/* 24 /w */ { BxImmediate_Ib, BX_IA_AND_ALIb },
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/* 25 /w */ { BxImmediate_Iw, BX_IA_AND_AXIw },
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/* 26 /w */ { 0, BX_IA_ERROR }, // ES:
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/* 27 /w */ { 0, BX_IA_DAA },
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/* 28 /w */ { BxLockable, BX_IA_SUB_EbGb },
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/* 29 /w */ { BxLockable, BX_IA_SUB_EwGw },
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/* 2A /w */ { 0, BX_IA_SUB_GbEb },
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/* 2B /w */ { 0, BX_IA_SUB_GwEw },
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/* 2C /w */ { BxImmediate_Ib, BX_IA_SUB_ALIb },
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/* 2D /w */ { BxImmediate_Iw, BX_IA_SUB_AXIw },
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/* 2E /w */ { 0, BX_IA_ERROR }, // CS:
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/* 2F /w */ { 0, BX_IA_DAS },
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/* 30 /w */ { BxLockable, BX_IA_XOR_EbGb },
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/* 31 /w */ { BxLockable, BX_IA_XOR_EwGw },
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/* 32 /w */ { 0, BX_IA_XOR_GbEb },
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/* 33 /w */ { 0, BX_IA_XOR_GwEw },
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/* 34 /w */ { BxImmediate_Ib, BX_IA_XOR_ALIb },
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/* 35 /w */ { BxImmediate_Iw, BX_IA_XOR_AXIw },
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/* 36 /w */ { 0, BX_IA_ERROR }, // SS:
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/* 37 /w */ { 0, BX_IA_AAA },
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/* 38 /w */ { 0, BX_IA_CMP_EbGb },
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/* 39 /w */ { 0, BX_IA_CMP_EwGw },
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/* 3A /w */ { 0, BX_IA_CMP_GbEb },
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/* 3B /w */ { 0, BX_IA_CMP_GwEw },
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/* 3C /w */ { BxImmediate_Ib, BX_IA_CMP_ALIb },
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/* 3D /w */ { BxImmediate_Iw, BX_IA_CMP_AXIw },
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/* 3E /w */ { 0, BX_IA_ERROR }, // DS:
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/* 3F /w */ { 0, BX_IA_AAS },
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/* 40 /w */ { 0, BX_IA_INC_Ew },
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/* 41 /w */ { 0, BX_IA_INC_Ew },
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/* 42 /w */ { 0, BX_IA_INC_Ew },
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/* 43 /w */ { 0, BX_IA_INC_Ew },
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/* 44 /w */ { 0, BX_IA_INC_Ew },
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/* 45 /w */ { 0, BX_IA_INC_Ew },
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/* 46 /w */ { 0, BX_IA_INC_Ew },
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/* 47 /w */ { 0, BX_IA_INC_Ew },
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/* 48 /w */ { 0, BX_IA_DEC_Ew },
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/* 49 /w */ { 0, BX_IA_DEC_Ew },
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/* 4A /w */ { 0, BX_IA_DEC_Ew },
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/* 4B /w */ { 0, BX_IA_DEC_Ew },
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/* 4C /w */ { 0, BX_IA_DEC_Ew },
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/* 4D /w */ { 0, BX_IA_DEC_Ew },
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/* 4E /w */ { 0, BX_IA_DEC_Ew },
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/* 4F /w */ { 0, BX_IA_DEC_Ew },
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/* 50 /w */ { 0, BX_IA_PUSH_Ew },
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/* 51 /w */ { 0, BX_IA_PUSH_Ew },
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/* 52 /w */ { 0, BX_IA_PUSH_Ew },
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/* 53 /w */ { 0, BX_IA_PUSH_Ew },
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/* 54 /w */ { 0, BX_IA_PUSH_Ew },
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/* 55 /w */ { 0, BX_IA_PUSH_Ew },
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/* 56 /w */ { 0, BX_IA_PUSH_Ew },
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/* 57 /w */ { 0, BX_IA_PUSH_Ew },
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/* 58 /w */ { 0, BX_IA_POP_Ew },
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/* 59 /w */ { 0, BX_IA_POP_Ew },
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/* 5A /w */ { 0, BX_IA_POP_Ew },
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/* 5B /w */ { 0, BX_IA_POP_Ew },
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/* 5C /w */ { 0, BX_IA_POP_Ew },
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/* 5D /w */ { 0, BX_IA_POP_Ew },
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/* 5E /w */ { 0, BX_IA_POP_Ew },
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/* 5F /w */ { 0, BX_IA_POP_Ew },
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/* 60 /w */ { 0, BX_IA_PUSHA_Op16 },
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/* 61 /w */ { 0, BX_IA_POPA_Op16 },
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/* 62 /w */ { 0, BX_IA_BOUND_GwMa },
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/* 63 /w */ { 0, BX_IA_ARPL_EwGw },
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/* 64 /w */ { 0, BX_IA_ERROR }, // FS:
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/* 65 /w */ { 0, BX_IA_ERROR }, // GS:
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/* 66 /w */ { 0, BX_IA_ERROR }, // OS:
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/* 67 /w */ { 0, BX_IA_ERROR }, // AS:
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/* 68 /w */ { BxImmediate_Iw, BX_IA_PUSH_Iw },
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/* 69 /w */ { BxImmediate_Iw, BX_IA_IMUL_GwEwIw },
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/* 6A /w */ { BxImmediate_Ib_SE, BX_IA_PUSH_Iw },
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/* 6B /w */ { BxImmediate_Ib_SE, BX_IA_IMUL_GwEwIw },
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/* 6C /w */ { 0, BX_IA_REP_INSB_YbDX },
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/* 6D /w */ { 0, BX_IA_REP_INSW_YwDX },
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/* 6E /w */ { 0, BX_IA_REP_OUTSB_DXXb },
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/* 6F /w */ { 0, BX_IA_REP_OUTSW_DXXw },
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/* 70 /w */ { BxImmediate_BrOff8, BX_IA_JO_Jw },
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/* 71 /w */ { BxImmediate_BrOff8, BX_IA_JNO_Jw },
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/* 72 /w */ { BxImmediate_BrOff8, BX_IA_JB_Jw },
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/* 73 /w */ { BxImmediate_BrOff8, BX_IA_JNB_Jw },
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/* 74 /w */ { BxImmediate_BrOff8, BX_IA_JZ_Jw },
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/* 75 /w */ { BxImmediate_BrOff8, BX_IA_JNZ_Jw },
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/* 76 /w */ { BxImmediate_BrOff8, BX_IA_JBE_Jw },
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/* 77 /w */ { BxImmediate_BrOff8, BX_IA_JNBE_Jw },
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/* 78 /w */ { BxImmediate_BrOff8, BX_IA_JS_Jw },
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/* 79 /w */ { BxImmediate_BrOff8, BX_IA_JNS_Jw },
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/* 7A /w */ { BxImmediate_BrOff8, BX_IA_JP_Jw },
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/* 7B /w */ { BxImmediate_BrOff8, BX_IA_JNP_Jw },
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/* 7C /w */ { BxImmediate_BrOff8, BX_IA_JL_Jw },
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/* 7D /w */ { BxImmediate_BrOff8, BX_IA_JNL_Jw },
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/* 7E /w */ { BxImmediate_BrOff8, BX_IA_JLE_Jw },
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/* 7F /w */ { BxImmediate_BrOff8, BX_IA_JNLE_Jw },
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/* 80 /w */ { BxGroup1 | BxImmediate_Ib, BX_IA_ERROR, BxOpcodeInfoG1EbIb },
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/* 81 /w */ { BxGroup1 | BxImmediate_Iw, BX_IA_ERROR, BxOpcodeInfoG1Ew },
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/* 82 /w */ { BxGroup1 | BxImmediate_Ib, BX_IA_ERROR, BxOpcodeInfoG1EbIb },
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/* 83 /w */ { BxGroup1 | BxImmediate_Ib_SE, BX_IA_ERROR, BxOpcodeInfoG1Ew },
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/* 84 /w */ { 0, BX_IA_TEST_EbGb },
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/* 85 /w */ { 0, BX_IA_TEST_EwGw },
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/* 86 /w */ { BxLockable, BX_IA_XCHG_EbGb },
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/* 87 /w */ { BxLockable, BX_IA_XCHG_EwGw },
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/* 88 /w */ { 0, BX_IA_MOV_EbGb },
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/* 89 /w */ { 0, BX_IA_MOV_EwGw },
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/* 8A /w */ { 0, BX_IA_MOV_GbEb },
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/* 8B /w */ { 0, BX_IA_MOV_GwEw },
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/* 8C /w */ { 0, BX_IA_MOV_EwSw },
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/* 8D /w */ { 0, BX_IA_LEA_GwM },
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/* 8E /w */ { 0, BX_IA_MOV_SwEw },
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/* 8F /w */ { BxGroup1A, BX_IA_ERROR, BxOpcodeInfoG1AEw },
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/* 90 /w */ { BxPrefixSSE, BX_IA_NOP, BxOpcodeGroupSSE_PAUSE },
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/* 91 /w */ { 0, BX_IA_XCHG_RXAX },
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/* 92 /w */ { 0, BX_IA_XCHG_RXAX },
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/* 93 /w */ { 0, BX_IA_XCHG_RXAX },
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/* 94 /w */ { 0, BX_IA_XCHG_RXAX },
|
|
/* 95 /w */ { 0, BX_IA_XCHG_RXAX },
|
|
/* 96 /w */ { 0, BX_IA_XCHG_RXAX },
|
|
/* 97 /w */ { 0, BX_IA_XCHG_RXAX },
|
|
/* 98 /w */ { 0, BX_IA_CBW },
|
|
/* 99 /w */ { 0, BX_IA_CWD },
|
|
/* 9A /w */ { BxImmediate_Iw | BxImmediate_Iw2, BX_IA_CALLF_Op16_Ap },
|
|
/* 9B /w */ { 0, BX_IA_FWAIT },
|
|
/* 9C /w */ { 0, BX_IA_PUSHF_Fw },
|
|
/* 9D /w */ { 0, BX_IA_POPF_Fw },
|
|
/* 9E /w */ { 0, BX_IA_SAHF },
|
|
/* 9F /w */ { 0, BX_IA_LAHF },
|
|
/* A0 /w */ { BxImmediate_O, BX_IA_MOV_ALOd },
|
|
/* A1 /w */ { BxImmediate_O, BX_IA_MOV_AXOd },
|
|
/* A2 /w */ { BxImmediate_O, BX_IA_MOV_OdAL },
|
|
/* A3 /w */ { BxImmediate_O, BX_IA_MOV_OdAX },
|
|
/* A4 /w */ { 0, BX_IA_REP_MOVSB_YbXb },
|
|
/* A5 /w */ { 0, BX_IA_REP_MOVSW_YwXw },
|
|
/* A6 /w */ { 0, BX_IA_REP_CMPSB_XbYb },
|
|
/* A7 /w */ { 0, BX_IA_REP_CMPSW_XwYw },
|
|
/* A8 /w */ { BxImmediate_Ib, BX_IA_TEST_ALIb },
|
|
/* A9 /w */ { BxImmediate_Iw, BX_IA_TEST_AXIw },
|
|
/* AA /w */ { 0, BX_IA_REP_STOSB_YbAL },
|
|
/* AB /w */ { 0, BX_IA_REP_STOSW_YwAX },
|
|
/* AC /w */ { 0, BX_IA_REP_LODSB_ALXb },
|
|
/* AD /w */ { 0, BX_IA_REP_LODSW_AXXw },
|
|
/* AE /w */ { 0, BX_IA_REP_SCASB_ALYb },
|
|
/* AF /w */ { 0, BX_IA_REP_SCASW_AXYw },
|
|
/* B0 /w */ { BxImmediate_Ib, BX_IA_MOV_EbIb },
|
|
/* B1 /w */ { BxImmediate_Ib, BX_IA_MOV_EbIb },
|
|
/* B2 /w */ { BxImmediate_Ib, BX_IA_MOV_EbIb },
|
|
/* B3 /w */ { BxImmediate_Ib, BX_IA_MOV_EbIb },
|
|
/* B4 /w */ { BxImmediate_Ib, BX_IA_MOV_EbIb },
|
|
/* B5 /w */ { BxImmediate_Ib, BX_IA_MOV_EbIb },
|
|
/* B6 /w */ { BxImmediate_Ib, BX_IA_MOV_EbIb },
|
|
/* B7 /w */ { BxImmediate_Ib, BX_IA_MOV_EbIb },
|
|
/* B8 /w */ { BxImmediate_Iw, BX_IA_MOV_EwIw },
|
|
/* B9 /w */ { BxImmediate_Iw, BX_IA_MOV_EwIw },
|
|
/* BA /w */ { BxImmediate_Iw, BX_IA_MOV_EwIw },
|
|
/* BB /w */ { BxImmediate_Iw, BX_IA_MOV_EwIw },
|
|
/* BC /w */ { BxImmediate_Iw, BX_IA_MOV_EwIw },
|
|
/* BD /w */ { BxImmediate_Iw, BX_IA_MOV_EwIw },
|
|
/* BE /w */ { BxImmediate_Iw, BX_IA_MOV_EwIw },
|
|
/* BF /w */ { BxImmediate_Iw, BX_IA_MOV_EwIw },
|
|
/* C0 /w */ { BxGroup2 | BxImmediate_Ib, BX_IA_ERROR, BxOpcodeInfoG2EbIb },
|
|
/* C1 /w */ { BxGroup2 | BxImmediate_Ib, BX_IA_ERROR, BxOpcodeInfoG2EwIb },
|
|
/* C2 /w */ { BxImmediate_Iw, BX_IA_RET_Op16_Iw },
|
|
/* C3 /w */ { 0, BX_IA_RET_Op16 },
|
|
/* C4 /w */ { 0, BX_IA_LES_GwMp },
|
|
/* C5 /w */ { 0, BX_IA_LDS_GwMp },
|
|
/* C6 /w */ { BxGroup11, BX_IA_ERROR, BxOpcodeInfoG11Eb },
|
|
/* C7 /w */ { BxGroup11, BX_IA_ERROR, BxOpcodeInfoG11Ew },
|
|
/* C8 /w */ { BxImmediate_Iw | BxImmediate_Ib2, BX_IA_ENTER_Op16_IwIb },
|
|
/* C9 /w */ { 0, BX_IA_LEAVE_Op16 },
|
|
/* CA /w */ { BxImmediate_Iw, BX_IA_RETF_Op16_Iw },
|
|
/* CB /w */ { 0, BX_IA_RETF_Op16 },
|
|
/* CC /w */ { 0, BX_IA_INT3 },
|
|
/* CD /w */ { BxImmediate_Ib, BX_IA_INT_Ib },
|
|
/* CE /w */ { 0, BX_IA_INTO },
|
|
/* CF /w */ { 0, BX_IA_IRET_Op16 },
|
|
/* D0 /w */ { BxGroup2 | BxImmediate_I1, BX_IA_ERROR, BxOpcodeInfoG2EbIb },
|
|
/* D1 /w */ { BxGroup2 | BxImmediate_I1, BX_IA_ERROR, BxOpcodeInfoG2EwIb },
|
|
/* D2 /w */ { BxGroup2, BX_IA_ERROR, BxOpcodeInfoG2Eb },
|
|
/* D3 /w */ { BxGroup2, BX_IA_ERROR, BxOpcodeInfoG2Ew },
|
|
/* D4 /w */ { BxImmediate_Ib, BX_IA_AAM },
|
|
/* D5 /w */ { BxImmediate_Ib, BX_IA_AAD },
|
|
/* D6 /w */ { 0, BX_IA_SALC },
|
|
/* D7 /w */ { 0, BX_IA_XLAT },
|
|
#if BX_SUPPORT_FPU
|
|
/* D8 /w */ { BxGroupFP, BX_IA_ERROR, BxOpcodeInfo_FPGroupD8 },
|
|
/* D9 /w */ { BxFPEscape, BX_IA_ERROR, BxOpcodeInfo_FloatingPointD9 },
|
|
/* DA /w */ { BxFPEscape, BX_IA_ERROR, BxOpcodeInfo_FloatingPointDA },
|
|
/* DB /w */ { BxFPEscape, BX_IA_ERROR, BxOpcodeInfo_FloatingPointDB },
|
|
/* DC /w */ { BxGroupFP, BX_IA_ERROR, BxOpcodeInfo_FPGroupDC },
|
|
/* DD /w */ { BxGroupFP, BX_IA_ERROR, BxOpcodeInfo_FPGroupDD },
|
|
/* DE /w */ { BxFPEscape, BX_IA_ERROR, BxOpcodeInfo_FloatingPointDE },
|
|
/* DF /w */ { BxFPEscape, BX_IA_ERROR, BxOpcodeInfo_FloatingPointDF },
|
|
#else
|
|
/* D8 /w */ { 0, BX_IA_FPU_ESC },
|
|
/* D9 /w */ { 0, BX_IA_FPU_ESC },
|
|
/* DA /w */ { 0, BX_IA_FPU_ESC },
|
|
/* DB /w */ { 0, BX_IA_FPU_ESC },
|
|
/* DC /w */ { 0, BX_IA_FPU_ESC },
|
|
/* DD /w */ { 0, BX_IA_FPU_ESC },
|
|
/* DE /w */ { 0, BX_IA_FPU_ESC },
|
|
/* DF /w */ { 0, BX_IA_FPU_ESC },
|
|
#endif
|
|
/* E0 /w */ { BxImmediate_BrOff8, BX_IA_LOOPNE_Op16_Jb },
|
|
/* E1 /w */ { BxImmediate_BrOff8, BX_IA_LOOPE_Op16_Jb },
|
|
/* E2 /w */ { BxImmediate_BrOff8, BX_IA_LOOP_Op16_Jb },
|
|
/* E3 /w */ { BxImmediate_BrOff8, BX_IA_JCXZ_Jb },
|
|
/* E4 /w */ { BxImmediate_Ib, BX_IA_IN_ALIb },
|
|
/* E5 /w */ { BxImmediate_Ib, BX_IA_IN_AXIb },
|
|
/* E6 /w */ { BxImmediate_Ib, BX_IA_OUT_IbAL },
|
|
/* E7 /w */ { BxImmediate_Ib, BX_IA_OUT_IbAX },
|
|
/* E8 /w */ { BxImmediate_BrOff16, BX_IA_CALL_Jw },
|
|
/* E9 /w */ { BxImmediate_BrOff16, BX_IA_JMP_Jw },
|
|
/* EA /w */ { BxImmediate_Iw | BxImmediate_Iw2, BX_IA_JMPF_Ap },
|
|
/* EB /w */ { BxImmediate_BrOff8, BX_IA_JMP_Jw },
|
|
/* EC /w */ { 0, BX_IA_IN_ALDX },
|
|
/* ED /w */ { 0, BX_IA_IN_AXDX },
|
|
/* EE /w */ { 0, BX_IA_OUT_DXAL },
|
|
/* EF /w */ { 0, BX_IA_OUT_DXAX },
|
|
/* F0 /w */ { 0, BX_IA_ERROR }, // LOCK
|
|
/* F1 /w */ { 0, BX_IA_INT1 },
|
|
/* F2 /w */ { 0, BX_IA_ERROR }, // REPNE/REPNZ
|
|
/* F3 /w */ { 0, BX_IA_ERROR }, // REP, REPE/REPZ
|
|
/* F4 /w */ { 0, BX_IA_HLT },
|
|
/* F5 /w */ { 0, BX_IA_CMC },
|
|
/* F6 /w */ { BxGroup3, BX_IA_ERROR, BxOpcodeInfoG3Eb },
|
|
/* F7 /w */ { BxGroup3, BX_IA_ERROR, BxOpcodeInfoG3Ew },
|
|
/* F8 /w */ { 0, BX_IA_CLC },
|
|
/* F9 /w */ { 0, BX_IA_STC },
|
|
/* FA /w */ { 0, BX_IA_CLI },
|
|
/* FB /w */ { 0, BX_IA_STI },
|
|
/* FC /w */ { 0, BX_IA_CLD },
|
|
/* FD /w */ { 0, BX_IA_STD },
|
|
/* FE /w */ { BxGroup4, BX_IA_ERROR, BxOpcodeInfoG4 },
|
|
/* FF /w */ { BxGroup5, BX_IA_ERROR, BxOpcodeInfoG5w },
|
|
|
|
/* 0F 00 /w */ { BxGroup6, BX_IA_ERROR, BxOpcodeInfoG6 },
|
|
/* 0F 01 /w */ { BxGroup7, BX_IA_ERROR, BxOpcodeInfoG7 },
|
|
/* 0F 02 /w */ { 0, BX_IA_LAR_GwEw },
|
|
/* 0F 03 /w */ { 0, BX_IA_LSL_GwEw },
|
|
/* 0F 04 /w */ { 0, BX_IA_ERROR },
|
|
/* 0F 05 /w */ { 0, BX_IA_SYSCALL_LEGACY },
|
|
/* 0F 06 /w */ { 0, BX_IA_CLTS },
|
|
/* 0F 07 /w */ { 0, BX_IA_SYSRET_LEGACY },
|
|
/* 0F 08 /w */ { 0, BX_IA_INVD },
|
|
/* 0F 09 /w */ { 0, BX_IA_WBINVD },
|
|
/* 0F 0A /w */ { 0, BX_IA_ERROR },
|
|
/* 0F 0B /w */ { 0, BX_IA_UD2A },
|
|
/* 0F 0C /w */ { 0, BX_IA_ERROR },
|
|
/* 0F 0D /w */ { 0, BX_IA_PREFETCHW }, // 3DNow! PREFETCHW on AMD, NOP on Intel
|
|
/* 0F 0E /w */ { 0, BX_IA_FEMMS }, // 3DNow! FEMMS
|
|
/* 0F 0F /w */ { BxImmediate_Ib, BX_IA_ERROR }, // 3DNow! Opcode Table
|
|
/* 0F 10 /w */ { BxPrefixSSE, BX_IA_MOVUPS_VpsWps, BxOpcodeGroupSSE_0f10 },
|
|
/* 0F 11 /w */ { BxPrefixSSE, BX_IA_MOVUPS_WpsVps, BxOpcodeGroupSSE_0f11 },
|
|
/* 0F 12 /w */ { BxPrefixSSE, BX_IA_MOVLPS_VpsMq, BxOpcodeGroupSSE_0f12 },
|
|
/* 0F 13 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f13M },
|
|
/* 0F 14 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f14 },
|
|
/* 0F 15 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f15 },
|
|
/* 0F 16 /w */ { BxPrefixSSE, BX_IA_MOVHPS_VpsMq, BxOpcodeGroupSSE_0f16 },
|
|
/* 0F 17 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f17M },
|
|
#if BX_CPU_LEVEL >= 6
|
|
/* 0F 18 /w */ { BxGroup16, BX_IA_ERROR, BxOpcodeInfoG16 }, // opcode group G16, PREFETCH hints
|
|
/* 0F 19 /w */ { 0, BX_IA_NOP }, // multi-byte NOP
|
|
/* 0F 1A /w */ { 0, BX_IA_NOP }, // multi-byte NOP
|
|
/* 0F 1B /w */ { 0, BX_IA_NOP }, // multi-byte NOP
|
|
/* 0F 1C /w */ { 0, BX_IA_NOP }, // multi-byte NOP
|
|
/* 0F 1D /w */ { 0, BX_IA_NOP }, // multi-byte NOP
|
|
/* 0F 1E /w */ { 0, BX_IA_NOP }, // multi-byte NOP
|
|
/* 0F 1F /w */ { 0, BX_IA_NOP }, // multi-byte NOP
|
|
#else
|
|
/* 0F 18 /w */ { 0, BX_IA_ERROR },
|
|
/* 0F 19 /w */ { 0, BX_IA_ERROR },
|
|
/* 0F 1A /w */ { 0, BX_IA_ERROR },
|
|
/* 0F 1B /w */ { 0, BX_IA_ERROR },
|
|
/* 0F 1C /w */ { 0, BX_IA_ERROR },
|
|
/* 0F 1D /w */ { 0, BX_IA_ERROR },
|
|
/* 0F 1E /w */ { 0, BX_IA_ERROR },
|
|
/* 0F 1F /w */ { 0, BX_IA_ERROR },
|
|
#endif
|
|
/* 0F 20 /w */ { BxGroupN, BX_IA_ERROR, BxOpcodeInfoMOV_RdCd },
|
|
/* 0F 21 /w */ { 0, BX_IA_MOV_RdDd },
|
|
/* 0F 22 /w */ { BxGroupN, BX_IA_ERROR, BxOpcodeInfoMOV_CdRd },
|
|
/* 0F 23 /w */ { 0, BX_IA_MOV_DdRd },
|
|
/* 0F 24 /w */ { 0, BX_IA_ERROR }, // BX_IA_MOV_RdTd not implemented
|
|
/* 0F 25 /w */ { 0, BX_IA_ERROR },
|
|
/* 0F 26 /w */ { 0, BX_IA_ERROR }, // BX_IA_MOV_TdRd not implemented
|
|
/* 0F 27 /w */ { 0, BX_IA_ERROR },
|
|
/* 0F 28 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f28 },
|
|
/* 0F 29 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f29 },
|
|
/* 0F 2A /w */ { BxPrefixSSE, BX_IA_CVTPI2PS_VpsQq, BxOpcodeGroupSSE_0f2a },
|
|
/* 0F 2B /w */ { BxPrefixSSE, BX_IA_MOVNTPS_MpsVps, BxOpcodeGroupSSE_0f2bM },
|
|
/* 0F 2C /w */ { BxPrefixSSE, BX_IA_CVTTPS2PI_PqWps, BxOpcodeGroupSSE_0f2c },
|
|
/* 0F 2D /w */ { BxPrefixSSE, BX_IA_CVTPS2PI_PqWps, BxOpcodeGroupSSE_0f2d },
|
|
/* 0F 2E /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f2e },
|
|
/* 0F 2F /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f2f },
|
|
/* 0F 30 /w */ { 0, BX_IA_WRMSR },
|
|
/* 0F 31 /w */ { 0, BX_IA_RDTSC }, // end trace to avoid multiple TSC samples in one cycle
|
|
/* 0F 32 /w */ { 0, BX_IA_RDMSR }, // end trace to avoid multiple TSC samples in one cycle
|
|
/* 0F 33 /w */ { 0, BX_IA_RDPMC },
|
|
/* 0F 34 /w */ { 0, BX_IA_SYSENTER },
|
|
/* 0F 35 /w */ { 0, BX_IA_SYSEXIT },
|
|
/* 0F 36 /w */ { 0, BX_IA_ERROR },
|
|
/* 0F 37 /w */ { 0, BX_IA_GETSEC },
|
|
#if BX_CPU_LEVEL >= 6
|
|
/* 0F 38 /w */ { 0, BX_IA_ERROR, BxOpcode3ByteTable0f38 }, // 3-byte escape
|
|
#else
|
|
/* 0F 38 /w */ { 0, BX_IA_ERROR },
|
|
#endif
|
|
/* 0F 39 /w */ { 0, BX_IA_ERROR },
|
|
#if BX_CPU_LEVEL >= 6
|
|
/* 0F 3A /w */ { BxImmediate_Ib, BX_IA_ERROR, BxOpcode3ByteTable0f3a }, // 3-byte escape
|
|
#else
|
|
/* 0F 3A /w */ { 0, BX_IA_ERROR },
|
|
#endif
|
|
/* 0F 3B /w */ { 0, BX_IA_ERROR },
|
|
/* 0F 3C /w */ { 0, BX_IA_ERROR },
|
|
/* 0F 3D /w */ { 0, BX_IA_ERROR },
|
|
/* 0F 3E /w */ { 0, BX_IA_ERROR },
|
|
/* 0F 3F /w */ { 0, BX_IA_ERROR },
|
|
/* 0F 40 /w */ { 0, BX_IA_CMOVO_GwEw },
|
|
/* 0F 41 /w */ { 0, BX_IA_CMOVNO_GwEw },
|
|
/* 0F 42 /w */ { 0, BX_IA_CMOVB_GwEw },
|
|
/* 0F 43 /w */ { 0, BX_IA_CMOVNB_GwEw },
|
|
/* 0F 44 /w */ { 0, BX_IA_CMOVZ_GwEw },
|
|
/* 0F 45 /w */ { 0, BX_IA_CMOVNZ_GwEw },
|
|
/* 0F 46 /w */ { 0, BX_IA_CMOVBE_GwEw },
|
|
/* 0F 47 /w */ { 0, BX_IA_CMOVNBE_GwEw },
|
|
/* 0F 48 /w */ { 0, BX_IA_CMOVS_GwEw },
|
|
/* 0F 49 /w */ { 0, BX_IA_CMOVNS_GwEw },
|
|
/* 0F 4A /w */ { 0, BX_IA_CMOVP_GwEw },
|
|
/* 0F 4B /w */ { 0, BX_IA_CMOVNP_GwEw },
|
|
/* 0F 4C /w */ { 0, BX_IA_CMOVL_GwEw },
|
|
/* 0F 4D /w */ { 0, BX_IA_CMOVNL_GwEw },
|
|
/* 0F 4E /w */ { 0, BX_IA_CMOVLE_GwEw },
|
|
/* 0F 4F /w */ { 0, BX_IA_CMOVNLE_GwEw },
|
|
/* 0F 50 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f50R },
|
|
/* 0F 51 /w */ { BxAliasSSE, BX_IA_SQRTPS_VpsWps },
|
|
/* 0F 52 /w */ { BxPrefixSSE, BX_IA_RSQRTPS_VpsWps, BxOpcodeGroupSSE_0f52 },
|
|
/* 0F 53 /w */ { BxPrefixSSE, BX_IA_RCPPS_VpsWps, BxOpcodeGroupSSE_0f53 },
|
|
/* 0F 54 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f54 },
|
|
/* 0F 55 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f55 },
|
|
/* 0F 56 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f56 },
|
|
/* 0F 57 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f57 },
|
|
/* 0F 58 /w */ { BxAliasSSE, BX_IA_ADDPS_VpsWps },
|
|
/* 0F 59 /w */ { BxAliasSSE, BX_IA_MULPS_VpsWps },
|
|
/* 0F 5A /w */ { BxAliasSSE, BX_IA_CVTPS2PD_VpdWps },
|
|
/* 0F 5B /w */ { BxPrefixSSE, BX_IA_CVTDQ2PS_VpsWdq, BxOpcodeGroupSSE_0f5b },
|
|
/* 0F 5C /w */ { BxAliasSSE, BX_IA_SUBPS_VpsWps },
|
|
/* 0F 5D /w */ { BxAliasSSE, BX_IA_MINPS_VpsWps },
|
|
/* 0F 5E /w */ { BxAliasSSE, BX_IA_DIVPS_VpsWps },
|
|
/* 0F 5F /w */ { BxAliasSSE, BX_IA_MAXPS_VpsWps },
|
|
/* 0F 60 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f60 },
|
|
/* 0F 61 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f61 },
|
|
/* 0F 62 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f62 },
|
|
/* 0F 63 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f63 },
|
|
/* 0F 64 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f64 },
|
|
/* 0F 65 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f65 },
|
|
/* 0F 66 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f66 },
|
|
/* 0F 67 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f67 },
|
|
/* 0F 68 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f68 },
|
|
/* 0F 69 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f69 },
|
|
/* 0F 6A /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f6a },
|
|
/* 0F 6B /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f6b },
|
|
/* 0F 6C /w */ { BxPrefixSSE66, BX_IA_PUNPCKLQDQ_VdqWdq },
|
|
/* 0F 6D /w */ { BxPrefixSSE66, BX_IA_PUNPCKHQDQ_VdqWdq },
|
|
/* 0F 6E /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f6e },
|
|
/* 0F 6F /w */ { BxPrefixSSE, BX_IA_MOVQ_PqQq, BxOpcodeGroupSSE_0f6f },
|
|
/* 0F 70 /w */ { BxPrefixSSE | BxImmediate_Ib, BX_IA_PSHUFW_PqQqIb, BxOpcodeGroupSSE_0f70 },
|
|
/* 0F 71 /w */ { BxGroup12, BX_IA_ERROR, BxOpcodeInfoG12R },
|
|
/* 0F 72 /w */ { BxGroup13, BX_IA_ERROR, BxOpcodeInfoG13R },
|
|
/* 0F 73 /w */ { BxGroup14, BX_IA_ERROR, BxOpcodeInfoG14R },
|
|
/* 0F 74 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f74 },
|
|
/* 0F 75 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f75 },
|
|
/* 0F 76 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f76 },
|
|
/* 0F 77 /w */ { BxPrefixSSE, BX_IA_EMMS, BxOpcodeGroupSSE_ERR },
|
|
/* 0F 78 /w */ { BxPrefixSSE, BX_IA_VMREAD_EdGd, BxOpcodeGroupSSE4A_0f78 },
|
|
/* 0F 79 /w */ { BxPrefixSSE, BX_IA_VMWRITE_GdEd, BxOpcodeGroupSSE4A_0f79 },
|
|
/* 0F 7A /w */ { 0, BX_IA_ERROR },
|
|
/* 0F 7B /w */ { 0, BX_IA_ERROR },
|
|
/* 0F 7C /w */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0f7c },
|
|
/* 0F 7D /w */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0f7d },
|
|
/* 0F 7E /w */ { BxPrefixSSE, BX_IA_MOVD_EdPq, BxOpcodeGroupSSE_0f7e },
|
|
/* 0F 7F /w */ { BxPrefixSSE, BX_IA_MOVQ_QqPq, BxOpcodeGroupSSE_0f7f },
|
|
/* 0F 80 /w */ { BxImmediate_BrOff16, BX_IA_JO_Jw },
|
|
/* 0F 81 /w */ { BxImmediate_BrOff16, BX_IA_JNO_Jw },
|
|
/* 0F 82 /w */ { BxImmediate_BrOff16, BX_IA_JB_Jw },
|
|
/* 0F 83 /w */ { BxImmediate_BrOff16, BX_IA_JNB_Jw },
|
|
/* 0F 84 /w */ { BxImmediate_BrOff16, BX_IA_JZ_Jw },
|
|
/* 0F 85 /w */ { BxImmediate_BrOff16, BX_IA_JNZ_Jw },
|
|
/* 0F 86 /w */ { BxImmediate_BrOff16, BX_IA_JBE_Jw },
|
|
/* 0F 87 /w */ { BxImmediate_BrOff16, BX_IA_JNBE_Jw },
|
|
/* 0F 88 /w */ { BxImmediate_BrOff16, BX_IA_JS_Jw },
|
|
/* 0F 89 /w */ { BxImmediate_BrOff16, BX_IA_JNS_Jw },
|
|
/* 0F 8A /w */ { BxImmediate_BrOff16, BX_IA_JP_Jw },
|
|
/* 0F 8B /w */ { BxImmediate_BrOff16, BX_IA_JNP_Jw },
|
|
/* 0F 8C /w */ { BxImmediate_BrOff16, BX_IA_JL_Jw },
|
|
/* 0F 8D /w */ { BxImmediate_BrOff16, BX_IA_JNL_Jw },
|
|
/* 0F 8E /w */ { BxImmediate_BrOff16, BX_IA_JLE_Jw },
|
|
/* 0F 8F /w */ { BxImmediate_BrOff16, BX_IA_JNLE_Jw },
|
|
/* 0F 90 /w */ { 0, BX_IA_SETO_Eb },
|
|
/* 0F 91 /w */ { 0, BX_IA_SETNO_Eb },
|
|
/* 0F 92 /w */ { 0, BX_IA_SETB_Eb },
|
|
/* 0F 93 /w */ { 0, BX_IA_SETNB_Eb },
|
|
/* 0F 94 /w */ { 0, BX_IA_SETZ_Eb },
|
|
/* 0F 95 /w */ { 0, BX_IA_SETNZ_Eb },
|
|
/* 0F 96 /w */ { 0, BX_IA_SETBE_Eb },
|
|
/* 0F 97 /w */ { 0, BX_IA_SETNBE_Eb },
|
|
/* 0F 98 /w */ { 0, BX_IA_SETS_Eb },
|
|
/* 0F 99 /w */ { 0, BX_IA_SETNS_Eb },
|
|
/* 0F 9A /w */ { 0, BX_IA_SETP_Eb },
|
|
/* 0F 9B /w */ { 0, BX_IA_SETNP_Eb },
|
|
/* 0F 9C /w */ { 0, BX_IA_SETL_Eb },
|
|
/* 0F 9D /w */ { 0, BX_IA_SETNL_Eb },
|
|
/* 0F 9E /w */ { 0, BX_IA_SETLE_Eb },
|
|
/* 0F 9F /w */ { 0, BX_IA_SETNLE_Eb },
|
|
/* 0F A0 /w */ { 0, BX_IA_PUSH_Op16_Sw },
|
|
/* 0F A1 /w */ { 0, BX_IA_POP_Op16_Sw },
|
|
/* 0F A2 /w */ { 0, BX_IA_CPUID },
|
|
/* 0F A3 /w */ { 0, BX_IA_BT_EwGw },
|
|
/* 0F A4 /w */ { BxImmediate_Ib, BX_IA_SHLD_EwGwIb },
|
|
/* 0F A5 /w */ { 0, BX_IA_SHLD_EwGw },
|
|
/* 0F A6 /w */ { 0, BX_IA_ERROR }, // CMPXCHG_XBTS not implemented
|
|
/* 0F A7 /w */ { 0, BX_IA_ERROR }, // CMPXCHG_IBTS not implemented
|
|
/* 0F A8 /w */ { 0, BX_IA_PUSH_Op16_Sw },
|
|
/* 0F A9 /w */ { 0, BX_IA_POP_Op16_Sw },
|
|
/* 0F AA /w */ { 0, BX_IA_RSM },
|
|
/* 0F AB /w */ { BxLockable, BX_IA_BTS_EwGw },
|
|
/* 0F AC /w */ { BxImmediate_Ib, BX_IA_SHRD_EwGwIb },
|
|
/* 0F AD /w */ { 0, BX_IA_SHRD_EwGw },
|
|
/* 0F AE /w */ { BxGroup15, BX_IA_ERROR, BxOpcodeInfoG15 },
|
|
/* 0F AF /w */ { 0, BX_IA_IMUL_GwEw },
|
|
/* 0F B0 /w */ { BxLockable, BX_IA_CMPXCHG_EbGb },
|
|
/* 0F B1 /w */ { BxLockable, BX_IA_CMPXCHG_EwGw },
|
|
/* 0F B2 /w */ { 0, BX_IA_LSS_GwMp },
|
|
/* 0F B3 /w */ { BxLockable, BX_IA_BTR_EwGw },
|
|
/* 0F B4 /w */ { 0, BX_IA_LFS_GwMp },
|
|
/* 0F B5 /w */ { 0, BX_IA_LGS_GwMp },
|
|
/* 0F B6 /w */ { 0, BX_IA_MOVZX_GwEb },
|
|
/* 0F B7 /w */ { 0, BX_IA_MOV_GwEw }, // MOVZX_GwEw
|
|
/* 0F B8 /w */ { BxPrefixSSEF3, BX_IA_POPCNT_GwEw },
|
|
/* 0F B9 /w */ { 0, BX_IA_UD2B },
|
|
/* 0F BA /w */ { BxGroup8, BX_IA_ERROR, BxOpcodeInfoG8EwIb },
|
|
/* 0F BB /w */ { BxLockable, BX_IA_BTC_EwGw },
|
|
/* 0F BC /w */ { BxPrefixSSE, BX_IA_BSF_GwEw, BxOpcodeGroupSSE_TZCNT16 },
|
|
/* 0F BD /w */ { BxPrefixSSE, BX_IA_BSR_GwEw, BxOpcodeGroupSSE_LZCNT16 },
|
|
/* 0F BE /w */ { 0, BX_IA_MOVSX_GwEb },
|
|
/* 0F BF /w */ { 0, BX_IA_MOV_GwEw }, // MOVSX_GwEw
|
|
/* 0F C0 /w */ { BxLockable, BX_IA_XADD_EbGb },
|
|
/* 0F C1 /w */ { BxLockable, BX_IA_XADD_EwGw },
|
|
/* 0F C2 /w */ { BxAliasSSE | BxImmediate_Ib, BX_IA_CMPPS_VpsWpsIb },
|
|
/* 0F C3 /w */ { BxPrefixSSE, BX_IA_MOVNTI_Op32_MdGd, BxOpcodeGroupSSE_ERR },
|
|
/* 0F C4 /w */ { BxPrefixSSE2 | BxImmediate_Ib, BX_IA_ERROR, BxOpcodeGroupSSE_0fc4 },
|
|
/* 0F C5 /w */ { BxPrefixSSE2 | BxImmediate_Ib, BX_IA_ERROR, BxOpcodeGroupSSE_0fc5R },
|
|
/* 0F C6 /w */ { BxPrefixSSE2 | BxImmediate_Ib, BX_IA_ERROR, BxOpcodeGroupSSE_0fc6 },
|
|
/* 0F C7 /w */ { BxGroup9, BX_IA_ERROR, BxOpcodeInfoG9w },
|
|
/* 0F C8 /w */ { 0, BX_IA_BSWAP_RX },
|
|
/* 0F C9 /w */ { 0, BX_IA_BSWAP_RX },
|
|
/* 0F CA /w */ { 0, BX_IA_BSWAP_RX },
|
|
/* 0F CB /w */ { 0, BX_IA_BSWAP_RX },
|
|
/* 0F CC /w */ { 0, BX_IA_BSWAP_RX },
|
|
/* 0F CD /w */ { 0, BX_IA_BSWAP_RX },
|
|
/* 0F CE /w */ { 0, BX_IA_BSWAP_RX },
|
|
/* 0F CF /w */ { 0, BX_IA_BSWAP_RX },
|
|
/* 0F D0 /w */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0fd0 },
|
|
/* 0F D1 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fd1 },
|
|
/* 0F D2 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fd2 },
|
|
/* 0F D3 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fd3 },
|
|
/* 0F D4 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fd4 },
|
|
/* 0F D5 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fd5 },
|
|
/* 0F D6 /w */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0fd6 },
|
|
/* 0F D7 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fd7R },
|
|
/* 0F D8 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fd8 },
|
|
/* 0F D9 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fd9 },
|
|
/* 0F DA /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fda },
|
|
/* 0F DB /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fdb },
|
|
/* 0F DC /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fdc },
|
|
/* 0F DD /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fdd },
|
|
/* 0F DE /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fde },
|
|
/* 0F DF /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fdf },
|
|
/* 0F E0 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fe0 },
|
|
/* 0F E1 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fe1 },
|
|
/* 0F E2 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fe2 },
|
|
/* 0F E3 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fe3 },
|
|
/* 0F E4 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fe4 },
|
|
/* 0F E5 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fe5 },
|
|
/* 0F E6 /w */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0fe6 },
|
|
/* 0F E7 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fe7M },
|
|
/* 0F E8 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fe8 },
|
|
/* 0F E9 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fe9 },
|
|
/* 0F EA /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fea },
|
|
/* 0F EB /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0feb },
|
|
/* 0F EC /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fec },
|
|
/* 0F ED /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fed },
|
|
/* 0F EE /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fee },
|
|
/* 0F EF /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fef },
|
|
/* 0F F0 /w */ { BxPrefixSSEF2, BX_IA_LDDQU_VdqMdq },
|
|
/* 0F F1 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0ff1 },
|
|
/* 0F F2 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0ff2 },
|
|
/* 0F F3 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0ff3 },
|
|
/* 0F F4 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0ff4 },
|
|
/* 0F F5 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0ff5 },
|
|
/* 0F F6 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0ff6 },
|
|
/* 0F F7 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0ff7R },
|
|
/* 0F F8 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0ff8 },
|
|
/* 0F F9 /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0ff9 },
|
|
/* 0F FA /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0ffa },
|
|
/* 0F FB /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0ffb },
|
|
/* 0F FC /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0ffc },
|
|
/* 0F FD /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0ffd },
|
|
/* 0F FE /w */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0ffe },
|
|
/* 0F FF /w */ { 0, BX_IA_ERROR },
|
|
|
|
// 512 entries for 32bit mode
|
|
/* 00 /d */ { BxLockable, BX_IA_ADD_EbGb },
|
|
/* 01 /d */ { BxLockable, BX_IA_ADD_EdGd },
|
|
/* 02 /d */ { 0, BX_IA_ADD_GbEb },
|
|
/* 03 /d */ { 0, BX_IA_ADD_GdEd },
|
|
/* 04 /d */ { BxImmediate_Ib, BX_IA_ADD_ALIb },
|
|
/* 05 /d */ { BxImmediate_Id, BX_IA_ADD_EAXId },
|
|
/* 06 /d */ { 0, BX_IA_PUSH_Op32_Sw },
|
|
/* 07 /d */ { 0, BX_IA_POP_Op32_Sw },
|
|
/* 08 /d */ { BxLockable, BX_IA_OR_EbGb },
|
|
/* 09 /d */ { BxLockable, BX_IA_OR_EdGd },
|
|
/* 0A /d */ { 0, BX_IA_OR_GbEb },
|
|
/* 0B /d */ { 0, BX_IA_OR_GdEd },
|
|
/* 0C /d */ { BxImmediate_Ib, BX_IA_OR_ALIb },
|
|
/* 0D /d */ { BxImmediate_Id, BX_IA_OR_EAXId },
|
|
/* 0E /d */ { 0, BX_IA_PUSH_Op32_Sw },
|
|
/* 0F /d */ { 0, BX_IA_ERROR }, // 2-byte escape
|
|
/* 10 /d */ { BxLockable, BX_IA_ADC_EbGb },
|
|
/* 11 /d */ { BxLockable, BX_IA_ADC_EdGd },
|
|
/* 12 /d */ { 0, BX_IA_ADC_GbEb },
|
|
/* 13 /d */ { 0, BX_IA_ADC_GdEd },
|
|
/* 14 /d */ { BxImmediate_Ib, BX_IA_ADC_ALIb },
|
|
/* 15 /d */ { BxImmediate_Id, BX_IA_ADC_EAXId },
|
|
/* 16 /d */ { 0, BX_IA_PUSH_Op32_Sw },
|
|
/* 17 /d */ { 0, BX_IA_POP_Op32_Sw },
|
|
/* 18 /d */ { BxLockable, BX_IA_SBB_EbGb },
|
|
/* 19 /d */ { BxLockable, BX_IA_SBB_EdGd },
|
|
/* 1A /d */ { 0, BX_IA_SBB_GbEb },
|
|
/* 1B /d */ { 0, BX_IA_SBB_GdEd },
|
|
/* 1C /d */ { BxImmediate_Ib, BX_IA_SBB_ALIb },
|
|
/* 1D /d */ { BxImmediate_Id, BX_IA_SBB_EAXId },
|
|
/* 1E /d */ { 0, BX_IA_PUSH_Op32_Sw },
|
|
/* 1F /d */ { 0, BX_IA_POP_Op32_Sw },
|
|
/* 20 /d */ { BxLockable, BX_IA_AND_EbGb },
|
|
/* 21 /d */ { BxLockable, BX_IA_AND_EdGd },
|
|
/* 22 /d */ { 0, BX_IA_AND_GbEb },
|
|
/* 23 /d */ { 0, BX_IA_AND_GdEd },
|
|
/* 24 /d */ { BxImmediate_Ib, BX_IA_AND_ALIb },
|
|
/* 25 /d */ { BxImmediate_Id, BX_IA_AND_EAXId },
|
|
/* 26 /d */ { 0, BX_IA_ERROR }, // ES:
|
|
/* 27 /d */ { 0, BX_IA_DAA },
|
|
/* 28 /d */ { BxLockable, BX_IA_SUB_EbGb },
|
|
/* 29 /d */ { BxLockable, BX_IA_SUB_EdGd },
|
|
/* 2A /d */ { 0, BX_IA_SUB_GbEb },
|
|
/* 2B /d */ { 0, BX_IA_SUB_GdEd },
|
|
/* 2C /d */ { BxImmediate_Ib, BX_IA_SUB_ALIb },
|
|
/* 2D /d */ { BxImmediate_Id, BX_IA_SUB_EAXId },
|
|
/* 2E /d */ { 0, BX_IA_ERROR }, // CS:
|
|
/* 2F /d */ { 0, BX_IA_DAS },
|
|
/* 30 /d */ { BxLockable, BX_IA_XOR_EbGb },
|
|
/* 31 /d */ { BxLockable, BX_IA_XOR_EdGd },
|
|
/* 32 /d */ { 0, BX_IA_XOR_GbEb },
|
|
/* 33 /d */ { 0, BX_IA_XOR_GdEd },
|
|
/* 34 /d */ { BxImmediate_Ib, BX_IA_XOR_ALIb },
|
|
/* 35 /d */ { BxImmediate_Id, BX_IA_XOR_EAXId },
|
|
/* 36 /d */ { 0, BX_IA_ERROR }, // SS:
|
|
/* 37 /d */ { 0, BX_IA_AAA },
|
|
/* 38 /d */ { 0, BX_IA_CMP_EbGb },
|
|
/* 39 /d */ { 0, BX_IA_CMP_EdGd },
|
|
/* 3A /d */ { 0, BX_IA_CMP_GbEb },
|
|
/* 3B /d */ { 0, BX_IA_CMP_GdEd },
|
|
/* 3C /d */ { BxImmediate_Ib, BX_IA_CMP_ALIb },
|
|
/* 3D /d */ { BxImmediate_Id, BX_IA_CMP_EAXId },
|
|
/* 3E /d */ { 0, BX_IA_ERROR }, // DS:
|
|
/* 3F /d */ { 0, BX_IA_AAS },
|
|
/* 40 /d */ { 0, BX_IA_INC_Ed },
|
|
/* 41 /d */ { 0, BX_IA_INC_Ed },
|
|
/* 42 /d */ { 0, BX_IA_INC_Ed },
|
|
/* 43 /d */ { 0, BX_IA_INC_Ed },
|
|
/* 44 /d */ { 0, BX_IA_INC_Ed },
|
|
/* 45 /d */ { 0, BX_IA_INC_Ed },
|
|
/* 46 /d */ { 0, BX_IA_INC_Ed },
|
|
/* 47 /d */ { 0, BX_IA_INC_Ed },
|
|
/* 48 /d */ { 0, BX_IA_DEC_Ed },
|
|
/* 49 /d */ { 0, BX_IA_DEC_Ed },
|
|
/* 4A /d */ { 0, BX_IA_DEC_Ed },
|
|
/* 4B /d */ { 0, BX_IA_DEC_Ed },
|
|
/* 4C /d */ { 0, BX_IA_DEC_Ed },
|
|
/* 4D /d */ { 0, BX_IA_DEC_Ed },
|
|
/* 4E /d */ { 0, BX_IA_DEC_Ed },
|
|
/* 4F /d */ { 0, BX_IA_DEC_Ed },
|
|
/* 50 /d */ { 0, BX_IA_PUSH_Ed },
|
|
/* 51 /d */ { 0, BX_IA_PUSH_Ed },
|
|
/* 52 /d */ { 0, BX_IA_PUSH_Ed },
|
|
/* 53 /d */ { 0, BX_IA_PUSH_Ed },
|
|
/* 54 /d */ { 0, BX_IA_PUSH_Ed },
|
|
/* 55 /d */ { 0, BX_IA_PUSH_Ed },
|
|
/* 56 /d */ { 0, BX_IA_PUSH_Ed },
|
|
/* 57 /d */ { 0, BX_IA_PUSH_Ed },
|
|
/* 58 /d */ { 0, BX_IA_POP_Ed },
|
|
/* 59 /d */ { 0, BX_IA_POP_Ed },
|
|
/* 5A /d */ { 0, BX_IA_POP_Ed },
|
|
/* 5B /d */ { 0, BX_IA_POP_Ed },
|
|
/* 5C /d */ { 0, BX_IA_POP_Ed },
|
|
/* 5D /d */ { 0, BX_IA_POP_Ed },
|
|
/* 5E /d */ { 0, BX_IA_POP_Ed },
|
|
/* 5F /d */ { 0, BX_IA_POP_Ed },
|
|
/* 60 /d */ { 0, BX_IA_PUSHA_Op32 },
|
|
/* 61 /d */ { 0, BX_IA_POPA_Op32 },
|
|
/* 62 /d */ { 0, BX_IA_BOUND_GdMa },
|
|
/* 63 /d */ { 0, BX_IA_ARPL_EwGw },
|
|
/* 64 /d */ { 0, BX_IA_ERROR }, // FS:
|
|
/* 65 /d */ { 0, BX_IA_ERROR }, // GS:
|
|
/* 66 /d */ { 0, BX_IA_ERROR }, // OS:
|
|
/* 67 /d */ { 0, BX_IA_ERROR }, // AS:
|
|
/* 68 /d */ { BxImmediate_Id, BX_IA_PUSH_Id },
|
|
/* 69 /d */ { BxImmediate_Id, BX_IA_IMUL_GdEdId },
|
|
/* 6A /d */ { BxImmediate_Ib_SE, BX_IA_PUSH_Id },
|
|
/* 6B /d */ { BxImmediate_Ib_SE, BX_IA_IMUL_GdEdId },
|
|
/* 6C /d */ { 0, BX_IA_REP_INSB_YbDX },
|
|
/* 6D /d */ { 0, BX_IA_REP_INSD_YdDX },
|
|
/* 6E /d */ { 0, BX_IA_REP_OUTSB_DXXb },
|
|
/* 6F /d */ { 0, BX_IA_REP_OUTSD_DXXd },
|
|
/* 70 /d */ { BxImmediate_BrOff8, BX_IA_JO_Jd },
|
|
/* 71 /d */ { BxImmediate_BrOff8, BX_IA_JNO_Jd },
|
|
/* 72 /d */ { BxImmediate_BrOff8, BX_IA_JB_Jd },
|
|
/* 73 /d */ { BxImmediate_BrOff8, BX_IA_JNB_Jd },
|
|
/* 74 /d */ { BxImmediate_BrOff8, BX_IA_JZ_Jd },
|
|
/* 75 /d */ { BxImmediate_BrOff8, BX_IA_JNZ_Jd },
|
|
/* 76 /d */ { BxImmediate_BrOff8, BX_IA_JBE_Jd },
|
|
/* 77 /d */ { BxImmediate_BrOff8, BX_IA_JNBE_Jd },
|
|
/* 78 /d */ { BxImmediate_BrOff8, BX_IA_JS_Jd },
|
|
/* 79 /d */ { BxImmediate_BrOff8, BX_IA_JNS_Jd },
|
|
/* 7A /d */ { BxImmediate_BrOff8, BX_IA_JP_Jd },
|
|
/* 7B /d */ { BxImmediate_BrOff8, BX_IA_JNP_Jd },
|
|
/* 7C /d */ { BxImmediate_BrOff8, BX_IA_JL_Jd },
|
|
/* 7D /d */ { BxImmediate_BrOff8, BX_IA_JNL_Jd },
|
|
/* 7E /d */ { BxImmediate_BrOff8, BX_IA_JLE_Jd },
|
|
/* 7F /d */ { BxImmediate_BrOff8, BX_IA_JNLE_Jd },
|
|
/* 80 /d */ { BxGroup1 | BxImmediate_Ib, BX_IA_ERROR, BxOpcodeInfoG1EbIb },
|
|
/* 81 /d */ { BxGroup1 | BxImmediate_Id, BX_IA_ERROR, BxOpcodeInfoG1Ed },
|
|
/* 82 /d */ { BxGroup1 | BxImmediate_Ib, BX_IA_ERROR, BxOpcodeInfoG1EbIb },
|
|
/* 83 /d */ { BxGroup1 | BxImmediate_Ib_SE, BX_IA_ERROR, BxOpcodeInfoG1Ed },
|
|
/* 84 /d */ { 0, BX_IA_TEST_EbGb },
|
|
/* 85 /d */ { 0, BX_IA_TEST_EdGd },
|
|
/* 86 /d */ { BxLockable, BX_IA_XCHG_EbGb },
|
|
/* 87 /d */ { BxLockable, BX_IA_XCHG_EdGd },
|
|
/* 88 /d */ { 0, BX_IA_MOV_EbGb },
|
|
/* 89 /d */ { 0, BX_IA_MOV_Op32_EdGd },
|
|
/* 8A /d */ { 0, BX_IA_MOV_GbEb },
|
|
/* 8B /d */ { 0, BX_IA_MOV_Op32_GdEd },
|
|
/* 8C /d */ { 0, BX_IA_MOV_EwSw },
|
|
/* 8D /d */ { 0, BX_IA_LEA_GdM },
|
|
/* 8E /d */ { 0, BX_IA_MOV_SwEw },
|
|
/* 8F /d */ { BxGroup1A, BX_IA_ERROR, BxOpcodeInfoG1AEd },
|
|
/* 90 /d */ { BxPrefixSSE, BX_IA_NOP, BxOpcodeGroupSSE_PAUSE },
|
|
/* 91 /d */ { 0, BX_IA_XCHG_ERXEAX },
|
|
/* 92 /d */ { 0, BX_IA_XCHG_ERXEAX },
|
|
/* 93 /d */ { 0, BX_IA_XCHG_ERXEAX },
|
|
/* 94 /d */ { 0, BX_IA_XCHG_ERXEAX },
|
|
/* 95 /d */ { 0, BX_IA_XCHG_ERXEAX },
|
|
/* 96 /d */ { 0, BX_IA_XCHG_ERXEAX },
|
|
/* 97 /d */ { 0, BX_IA_XCHG_ERXEAX },
|
|
/* 98 /d */ { 0, BX_IA_CWDE },
|
|
/* 99 /d */ { 0, BX_IA_CDQ },
|
|
/* 9A /d */ { BxImmediate_Id | BxImmediate_Iw2, BX_IA_CALLF_Op32_Ap },
|
|
/* 9B /d */ { 0, BX_IA_FWAIT },
|
|
/* 9C /d */ { 0, BX_IA_PUSHF_Fd },
|
|
/* 9D /d */ { 0, BX_IA_POPF_Fd },
|
|
/* 9E /d */ { 0, BX_IA_SAHF },
|
|
/* 9F /d */ { 0, BX_IA_LAHF },
|
|
/* A0 /d */ { BxImmediate_O, BX_IA_MOV_ALOd },
|
|
/* A1 /d */ { BxImmediate_O, BX_IA_MOV_EAXOd },
|
|
/* A2 /d */ { BxImmediate_O, BX_IA_MOV_OdAL },
|
|
/* A3 /d */ { BxImmediate_O, BX_IA_MOV_OdEAX },
|
|
/* A4 /d */ { 0, BX_IA_REP_MOVSB_YbXb },
|
|
/* A5 /d */ { 0, BX_IA_REP_MOVSD_YdXd },
|
|
/* A6 /d */ { 0, BX_IA_REP_CMPSB_XbYb },
|
|
/* A7 /d */ { 0, BX_IA_REP_CMPSD_XdYd },
|
|
/* A8 /d */ { BxImmediate_Ib, BX_IA_TEST_ALIb },
|
|
/* A9 /d */ { BxImmediate_Id, BX_IA_TEST_EAXId },
|
|
/* AA /d */ { 0, BX_IA_REP_STOSB_YbAL },
|
|
/* AB /d */ { 0, BX_IA_REP_STOSD_YdEAX },
|
|
/* AC /d */ { 0, BX_IA_REP_LODSB_ALXb },
|
|
/* AD /d */ { 0, BX_IA_REP_LODSD_EAXXd },
|
|
/* AE /d */ { 0, BX_IA_REP_SCASB_ALYb },
|
|
/* AF /d */ { 0, BX_IA_REP_SCASD_EAXYd },
|
|
/* B0 /d */ { BxImmediate_Ib, BX_IA_MOV_EbIb },
|
|
/* B1 /d */ { BxImmediate_Ib, BX_IA_MOV_EbIb },
|
|
/* B2 /d */ { BxImmediate_Ib, BX_IA_MOV_EbIb },
|
|
/* B3 /d */ { BxImmediate_Ib, BX_IA_MOV_EbIb },
|
|
/* B4 /d */ { BxImmediate_Ib, BX_IA_MOV_EbIb },
|
|
/* B5 /d */ { BxImmediate_Ib, BX_IA_MOV_EbIb },
|
|
/* B6 /d */ { BxImmediate_Ib, BX_IA_MOV_EbIb },
|
|
/* B7 /d */ { BxImmediate_Ib, BX_IA_MOV_EbIb },
|
|
/* B8 /d */ { BxImmediate_Id, BX_IA_MOV_EdId },
|
|
/* B9 /d */ { BxImmediate_Id, BX_IA_MOV_EdId },
|
|
/* BA /d */ { BxImmediate_Id, BX_IA_MOV_EdId },
|
|
/* BB /d */ { BxImmediate_Id, BX_IA_MOV_EdId },
|
|
/* BC /d */ { BxImmediate_Id, BX_IA_MOV_EdId },
|
|
/* BD /d */ { BxImmediate_Id, BX_IA_MOV_EdId },
|
|
/* BE /d */ { BxImmediate_Id, BX_IA_MOV_EdId },
|
|
/* BF /d */ { BxImmediate_Id, BX_IA_MOV_EdId },
|
|
/* C0 /d */ { BxGroup2 | BxImmediate_Ib, BX_IA_ERROR, BxOpcodeInfoG2EbIb },
|
|
/* C1 /d */ { BxGroup2 | BxImmediate_Ib, BX_IA_ERROR, BxOpcodeInfoG2EdIb },
|
|
/* C2 /d */ { BxImmediate_Iw, BX_IA_RET_Op32_Iw },
|
|
/* C3 /d */ { 0, BX_IA_RET_Op32 },
|
|
/* C4 /d */ { 0, BX_IA_LES_GdMp },
|
|
/* C5 /d */ { 0, BX_IA_LDS_GdMp },
|
|
/* C6 /d */ { BxGroup11, BX_IA_ERROR, BxOpcodeInfoG11Eb },
|
|
/* C7 /d */ { BxGroup11, BX_IA_ERROR, BxOpcodeInfoG11Ed },
|
|
/* C8 /d */ { BxImmediate_Iw | BxImmediate_Ib2, BX_IA_ENTER_Op32_IwIb },
|
|
/* C9 /d */ { 0, BX_IA_LEAVE_Op32 },
|
|
/* CA /d */ { BxImmediate_Iw, BX_IA_RETF_Op32_Iw },
|
|
/* CB /d */ { 0, BX_IA_RETF_Op32 },
|
|
/* CC /d */ { 0, BX_IA_INT3 },
|
|
/* CD /d */ { BxImmediate_Ib, BX_IA_INT_Ib },
|
|
/* CE /d */ { 0, BX_IA_INTO },
|
|
/* CF /d */ { 0, BX_IA_IRET_Op32 },
|
|
/* D0 /d */ { BxGroup2 | BxImmediate_I1, BX_IA_ERROR, BxOpcodeInfoG2EbIb },
|
|
/* D1 /d */ { BxGroup2 | BxImmediate_I1, BX_IA_ERROR, BxOpcodeInfoG2EdIb },
|
|
/* D2 /d */ { BxGroup2, BX_IA_ERROR, BxOpcodeInfoG2Eb },
|
|
/* D3 /d */ { BxGroup2, BX_IA_ERROR, BxOpcodeInfoG2Ed },
|
|
/* D4 /d */ { BxImmediate_Ib, BX_IA_AAM },
|
|
/* D5 /d */ { BxImmediate_Ib, BX_IA_AAD },
|
|
/* D6 /d */ { 0, BX_IA_SALC },
|
|
/* D7 /d */ { 0, BX_IA_XLAT },
|
|
#if BX_SUPPORT_FPU
|
|
/* D8 /d */ { BxGroupFP, BX_IA_ERROR, BxOpcodeInfo_FPGroupD8 },
|
|
/* D9 /d */ { BxFPEscape, BX_IA_ERROR, BxOpcodeInfo_FloatingPointD9 },
|
|
/* DA /d */ { BxFPEscape, BX_IA_ERROR, BxOpcodeInfo_FloatingPointDA },
|
|
/* DB /d */ { BxFPEscape, BX_IA_ERROR, BxOpcodeInfo_FloatingPointDB },
|
|
/* DC /d */ { BxGroupFP, BX_IA_ERROR, BxOpcodeInfo_FPGroupDC },
|
|
/* DD /d */ { BxGroupFP, BX_IA_ERROR, BxOpcodeInfo_FPGroupDD },
|
|
/* DE /d */ { BxFPEscape, BX_IA_ERROR, BxOpcodeInfo_FloatingPointDE },
|
|
/* DF /d */ { BxFPEscape, BX_IA_ERROR, BxOpcodeInfo_FloatingPointDF },
|
|
#else
|
|
/* D8 /d */ { 0, BX_IA_FPU_ESC },
|
|
/* D9 /d */ { 0, BX_IA_FPU_ESC },
|
|
/* DA /d */ { 0, BX_IA_FPU_ESC },
|
|
/* DB /d */ { 0, BX_IA_FPU_ESC },
|
|
/* DC /d */ { 0, BX_IA_FPU_ESC },
|
|
/* DD /d */ { 0, BX_IA_FPU_ESC },
|
|
/* DE /d */ { 0, BX_IA_FPU_ESC },
|
|
/* DF /d */ { 0, BX_IA_FPU_ESC },
|
|
#endif
|
|
/* E0 /d */ { BxImmediate_BrOff8, BX_IA_LOOPNE_Op32_Jb },
|
|
/* E1 /d */ { BxImmediate_BrOff8, BX_IA_LOOPE_Op32_Jb },
|
|
/* E2 /d */ { BxImmediate_BrOff8, BX_IA_LOOP_Op32_Jb },
|
|
/* E3 /d */ { BxImmediate_BrOff8, BX_IA_JECXZ_Jb },
|
|
/* E4 /d */ { BxImmediate_Ib, BX_IA_IN_ALIb },
|
|
/* E5 /d */ { BxImmediate_Ib, BX_IA_IN_EAXIb },
|
|
/* E6 /d */ { BxImmediate_Ib, BX_IA_OUT_IbAL },
|
|
/* E7 /d */ { BxImmediate_Ib, BX_IA_OUT_IbEAX },
|
|
/* E8 /d */ { BxImmediate_BrOff32, BX_IA_CALL_Jd },
|
|
/* E9 /d */ { BxImmediate_BrOff32, BX_IA_JMP_Jd },
|
|
/* EA /d */ { BxImmediate_Id | BxImmediate_Iw2, BX_IA_JMPF_Ap },
|
|
/* EB /d */ { BxImmediate_BrOff8, BX_IA_JMP_Jd },
|
|
/* EC /d */ { 0, BX_IA_IN_ALDX },
|
|
/* ED /d */ { 0, BX_IA_IN_EAXDX },
|
|
/* EE /d */ { 0, BX_IA_OUT_DXAL },
|
|
/* EF /d */ { 0, BX_IA_OUT_DXEAX },
|
|
/* F0 /d */ { 0, BX_IA_ERROR }, // LOCK:
|
|
/* F1 /d */ { 0, BX_IA_INT1 },
|
|
/* F2 /d */ { 0, BX_IA_ERROR }, // REPNE/REPNZ
|
|
/* F3 /d */ { 0, BX_IA_ERROR }, // REP,REPE/REPZ
|
|
/* F4 /d */ { 0, BX_IA_HLT },
|
|
/* F5 /d */ { 0, BX_IA_CMC },
|
|
/* F6 /d */ { BxGroup3, BX_IA_ERROR, BxOpcodeInfoG3Eb },
|
|
/* F7 /d */ { BxGroup3, BX_IA_ERROR, BxOpcodeInfoG3Ed },
|
|
/* F8 /d */ { 0, BX_IA_CLC },
|
|
/* F9 /d */ { 0, BX_IA_STC },
|
|
/* FA /d */ { 0, BX_IA_CLI },
|
|
/* FB /d */ { 0, BX_IA_STI },
|
|
/* FC /d */ { 0, BX_IA_CLD },
|
|
/* FD /d */ { 0, BX_IA_STD },
|
|
/* FE /d */ { BxGroup4, BX_IA_ERROR, BxOpcodeInfoG4 },
|
|
/* FF /d */ { BxGroup5, BX_IA_ERROR, BxOpcodeInfoG5d },
|
|
|
|
/* 0F 00 /d */ { BxGroup6, BX_IA_ERROR, BxOpcodeInfoG6 },
|
|
/* 0F 01 /d */ { BxGroup7, BX_IA_ERROR, BxOpcodeInfoG7 },
|
|
/* 0F 02 /d */ { 0, BX_IA_LAR_GdEw },
|
|
/* 0F 03 /d */ { 0, BX_IA_LSL_GdEw },
|
|
/* 0F 04 /d */ { 0, BX_IA_ERROR },
|
|
/* 0F 05 /d */ { 0, BX_IA_SYSCALL_LEGACY },
|
|
/* 0F 06 /d */ { 0, BX_IA_CLTS },
|
|
/* 0F 07 /d */ { 0, BX_IA_SYSRET_LEGACY },
|
|
/* 0F 08 /d */ { 0, BX_IA_INVD },
|
|
/* 0F 09 /d */ { 0, BX_IA_WBINVD },
|
|
/* 0F 0A /d */ { 0, BX_IA_ERROR },
|
|
/* 0F 0B /d */ { 0, BX_IA_UD2A },
|
|
/* 0F 0C /d */ { 0, BX_IA_ERROR },
|
|
/* 0F 0D /d */ { 0, BX_IA_PREFETCHW }, // 3DNow! PREFETCHW on AMD, NOP on Intel
|
|
/* 0F 0E /d */ { 0, BX_IA_FEMMS }, // 3DNow! FEMMS
|
|
/* 0F 0F /d */ { BxImmediate_Ib, BX_IA_ERROR }, // 3DNow! Opcode Table
|
|
/* 0F 10 /d */ { BxPrefixSSE, BX_IA_MOVUPS_VpsWps, BxOpcodeGroupSSE_0f10 },
|
|
/* 0F 11 /d */ { BxPrefixSSE, BX_IA_MOVUPS_WpsVps, BxOpcodeGroupSSE_0f11 },
|
|
/* 0F 12 /d */ { BxPrefixSSE, BX_IA_MOVLPS_VpsMq, BxOpcodeGroupSSE_0f12 },
|
|
/* 0F 13 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f13M },
|
|
/* 0F 14 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f14 },
|
|
/* 0F 15 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f15 },
|
|
/* 0F 16 /d */ { BxPrefixSSE, BX_IA_MOVHPS_VpsMq, BxOpcodeGroupSSE_0f16 },
|
|
/* 0F 17 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f17M },
|
|
#if BX_CPU_LEVEL >= 6
|
|
/* 0F 18 /d */ { BxGroup16, BX_IA_ERROR, BxOpcodeInfoG16 }, // opcode group G16, PREFETCH hints
|
|
/* 0F 19 /d */ { 0, BX_IA_NOP }, // multi-byte NOP
|
|
/* 0F 1A /d */ { 0, BX_IA_NOP }, // multi-byte NOP
|
|
/* 0F 1B /d */ { 0, BX_IA_NOP }, // multi-byte NOP
|
|
/* 0F 1C /d */ { 0, BX_IA_NOP }, // multi-byte NOP
|
|
/* 0F 1D /d */ { 0, BX_IA_NOP }, // multi-byte NOP
|
|
/* 0F 1E /d */ { 0, BX_IA_NOP }, // multi-byte NOP
|
|
/* 0F 1F /d */ { 0, BX_IA_NOP }, // multi-byte NOP
|
|
#else
|
|
/* 0F 18 /d */ { 0, BX_IA_ERROR },
|
|
/* 0F 19 /d */ { 0, BX_IA_ERROR },
|
|
/* 0F 1A /d */ { 0, BX_IA_ERROR },
|
|
/* 0F 1B /d */ { 0, BX_IA_ERROR },
|
|
/* 0F 1C /d */ { 0, BX_IA_ERROR },
|
|
/* 0F 1D /d */ { 0, BX_IA_ERROR },
|
|
/* 0F 1E /d */ { 0, BX_IA_ERROR },
|
|
/* 0F 1F /d */ { 0, BX_IA_ERROR },
|
|
#endif
|
|
/* 0F 20 /d */ { BxGroupN, BX_IA_ERROR, BxOpcodeInfoMOV_RdCd },
|
|
/* 0F 21 /d */ { 0, BX_IA_MOV_RdDd },
|
|
/* 0F 22 /d */ { BxGroupN, BX_IA_ERROR, BxOpcodeInfoMOV_CdRd },
|
|
/* 0F 23 /d */ { 0, BX_IA_MOV_DdRd },
|
|
/* 0F 24 /d */ { 0, BX_IA_ERROR }, // BX_IA_MOV_RdTd not implemented
|
|
/* 0F 25 /d */ { 0, BX_IA_ERROR },
|
|
/* 0F 26 /d */ { 0, BX_IA_ERROR }, // BX_IA_MOV_TdRd not implemented
|
|
/* 0F 27 /d */ { 0, BX_IA_ERROR },
|
|
/* 0F 28 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f28 },
|
|
/* 0F 29 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f29 },
|
|
/* 0F 2A /d */ { BxPrefixSSE, BX_IA_CVTPI2PS_VpsQq, BxOpcodeGroupSSE_0f2a },
|
|
/* 0F 2B /d */ { BxPrefixSSE, BX_IA_MOVNTPS_MpsVps, BxOpcodeGroupSSE_0f2bM },
|
|
/* 0F 2C /d */ { BxPrefixSSE, BX_IA_CVTTPS2PI_PqWps, BxOpcodeGroupSSE_0f2c },
|
|
/* 0F 2D /d */ { BxPrefixSSE, BX_IA_CVTPS2PI_PqWps, BxOpcodeGroupSSE_0f2d },
|
|
/* 0F 2E /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f2e },
|
|
/* 0F 2F /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f2f },
|
|
/* 0F 30 /d */ { 0, BX_IA_WRMSR },
|
|
/* 0F 31 /d */ { 0, BX_IA_RDTSC }, // end trace to avoid multiple TSC samples in one cycle
|
|
/* 0F 32 /d */ { 0, BX_IA_RDMSR }, // end trace to avoid multiple TSC samples in one cycle
|
|
/* 0F 33 /d */ { 0, BX_IA_RDPMC },
|
|
/* 0F 34 /d */ { 0, BX_IA_SYSENTER },
|
|
/* 0F 35 /d */ { 0, BX_IA_SYSEXIT },
|
|
/* 0F 36 /d */ { 0, BX_IA_ERROR },
|
|
/* 0F 37 /d */ { 0, BX_IA_GETSEC },
|
|
#if BX_CPU_LEVEL >= 6
|
|
/* 0F 38 /d */ { 0, BX_IA_ERROR, BxOpcode3ByteTable0f38 }, // 3-byte escape
|
|
#else
|
|
/* 0F 38 /d */ { 0, BX_IA_ERROR },
|
|
#endif
|
|
/* 0F 39 /d */ { 0, BX_IA_ERROR },
|
|
#if BX_CPU_LEVEL >= 6
|
|
/* 0F 3A /d */ { BxImmediate_Ib, BX_IA_ERROR, BxOpcode3ByteTable0f3a }, // 3-byte escape
|
|
#else
|
|
/* 0F 3A /d */ { 0, BX_IA_ERROR },
|
|
#endif
|
|
/* 0F 3B /d */ { 0, BX_IA_ERROR },
|
|
/* 0F 3C /d */ { 0, BX_IA_ERROR },
|
|
/* 0F 3D /d */ { 0, BX_IA_ERROR },
|
|
/* 0F 3E /d */ { 0, BX_IA_ERROR },
|
|
/* 0F 3F /d */ { 0, BX_IA_ERROR },
|
|
/* 0F 40 /d */ { 0, BX_IA_CMOVO_GdEd },
|
|
/* 0F 41 /d */ { 0, BX_IA_CMOVNO_GdEd },
|
|
/* 0F 42 /d */ { 0, BX_IA_CMOVB_GdEd },
|
|
/* 0F 43 /d */ { 0, BX_IA_CMOVNB_GdEd },
|
|
/* 0F 44 /d */ { 0, BX_IA_CMOVZ_GdEd },
|
|
/* 0F 45 /d */ { 0, BX_IA_CMOVNZ_GdEd },
|
|
/* 0F 46 /d */ { 0, BX_IA_CMOVBE_GdEd },
|
|
/* 0F 47 /d */ { 0, BX_IA_CMOVNBE_GdEd },
|
|
/* 0F 48 /d */ { 0, BX_IA_CMOVS_GdEd },
|
|
/* 0F 49 /d */ { 0, BX_IA_CMOVNS_GdEd },
|
|
/* 0F 4A /d */ { 0, BX_IA_CMOVP_GdEd },
|
|
/* 0F 4B /d */ { 0, BX_IA_CMOVNP_GdEd },
|
|
/* 0F 4C /d */ { 0, BX_IA_CMOVL_GdEd },
|
|
/* 0F 4D /d */ { 0, BX_IA_CMOVNL_GdEd },
|
|
/* 0F 4E /d */ { 0, BX_IA_CMOVLE_GdEd },
|
|
/* 0F 4F /d */ { 0, BX_IA_CMOVNLE_GdEd },
|
|
/* 0F 50 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f50R },
|
|
/* 0F 51 /d */ { BxAliasSSE, BX_IA_SQRTPS_VpsWps },
|
|
/* 0F 52 /d */ { BxPrefixSSE, BX_IA_RSQRTPS_VpsWps, BxOpcodeGroupSSE_0f52 },
|
|
/* 0F 53 /d */ { BxPrefixSSE, BX_IA_RCPPS_VpsWps, BxOpcodeGroupSSE_0f53 },
|
|
/* 0F 54 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f54 },
|
|
/* 0F 55 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f55 },
|
|
/* 0F 56 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f56 },
|
|
/* 0F 57 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f57 },
|
|
/* 0F 58 /d */ { BxAliasSSE, BX_IA_ADDPS_VpsWps },
|
|
/* 0F 59 /d */ { BxAliasSSE, BX_IA_MULPS_VpsWps },
|
|
/* 0F 5A /d */ { BxAliasSSE, BX_IA_CVTPS2PD_VpdWps },
|
|
/* 0F 5B /d */ { BxPrefixSSE, BX_IA_CVTDQ2PS_VpsWdq, BxOpcodeGroupSSE_0f5b },
|
|
/* 0F 5C /d */ { BxAliasSSE, BX_IA_SUBPS_VpsWps },
|
|
/* 0F 5D /d */ { BxAliasSSE, BX_IA_MINPS_VpsWps },
|
|
/* 0F 5E /d */ { BxAliasSSE, BX_IA_DIVPS_VpsWps },
|
|
/* 0F 5F /d */ { BxAliasSSE, BX_IA_MAXPS_VpsWps },
|
|
/* 0F 60 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f60 },
|
|
/* 0F 61 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f61 },
|
|
/* 0F 62 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f62 },
|
|
/* 0F 63 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f63 },
|
|
/* 0F 64 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f64 },
|
|
/* 0F 65 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f65 },
|
|
/* 0F 66 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f66 },
|
|
/* 0F 67 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f67 },
|
|
/* 0F 68 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f68 },
|
|
/* 0F 69 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f69 },
|
|
/* 0F 6A /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f6a },
|
|
/* 0F 6B /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f6b },
|
|
/* 0F 6C /d */ { BxPrefixSSE66, BX_IA_PUNPCKLQDQ_VdqWdq },
|
|
/* 0F 6D /d */ { BxPrefixSSE66, BX_IA_PUNPCKHQDQ_VdqWdq },
|
|
/* 0F 6E /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f6e },
|
|
/* 0F 6F /d */ { BxPrefixSSE, BX_IA_MOVQ_PqQq, BxOpcodeGroupSSE_0f6f },
|
|
/* 0F 70 /d */ { BxPrefixSSE | BxImmediate_Ib, BX_IA_PSHUFW_PqQqIb, BxOpcodeGroupSSE_0f70 },
|
|
/* 0F 71 /d */ { BxGroup12, BX_IA_ERROR, BxOpcodeInfoG12R },
|
|
/* 0F 72 /d */ { BxGroup13, BX_IA_ERROR, BxOpcodeInfoG13R },
|
|
/* 0F 73 /d */ { BxGroup14, BX_IA_ERROR, BxOpcodeInfoG14R },
|
|
/* 0F 74 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f74 },
|
|
/* 0F 75 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f75 },
|
|
/* 0F 76 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0f76 },
|
|
/* 0F 77 /d */ { BxPrefixSSE, BX_IA_EMMS, BxOpcodeGroupSSE_ERR },
|
|
/* 0F 78 /d */ { BxPrefixSSE, BX_IA_VMREAD_EdGd, BxOpcodeGroupSSE4A_0f78 },
|
|
/* 0F 79 /d */ { BxPrefixSSE, BX_IA_VMWRITE_GdEd, BxOpcodeGroupSSE4A_0f79 },
|
|
/* 0F 7A /d */ { 0, BX_IA_ERROR },
|
|
/* 0F 7B /d */ { 0, BX_IA_ERROR },
|
|
/* 0F 7C /d */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0f7c },
|
|
/* 0F 7D /d */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0f7d },
|
|
/* 0F 7E /d */ { BxPrefixSSE, BX_IA_MOVD_EdPq, BxOpcodeGroupSSE_0f7e },
|
|
/* 0F 7F /d */ { BxPrefixSSE, BX_IA_MOVQ_QqPq, BxOpcodeGroupSSE_0f7f },
|
|
/* 0F 80 /d */ { BxImmediate_BrOff32, BX_IA_JO_Jd },
|
|
/* 0F 81 /d */ { BxImmediate_BrOff32, BX_IA_JNO_Jd },
|
|
/* 0F 82 /d */ { BxImmediate_BrOff32, BX_IA_JB_Jd },
|
|
/* 0F 83 /d */ { BxImmediate_BrOff32, BX_IA_JNB_Jd },
|
|
/* 0F 84 /d */ { BxImmediate_BrOff32, BX_IA_JZ_Jd },
|
|
/* 0F 85 /d */ { BxImmediate_BrOff32, BX_IA_JNZ_Jd },
|
|
/* 0F 86 /d */ { BxImmediate_BrOff32, BX_IA_JBE_Jd },
|
|
/* 0F 87 /d */ { BxImmediate_BrOff32, BX_IA_JNBE_Jd },
|
|
/* 0F 88 /d */ { BxImmediate_BrOff32, BX_IA_JS_Jd },
|
|
/* 0F 89 /d */ { BxImmediate_BrOff32, BX_IA_JNS_Jd },
|
|
/* 0F 8A /d */ { BxImmediate_BrOff32, BX_IA_JP_Jd },
|
|
/* 0F 8B /d */ { BxImmediate_BrOff32, BX_IA_JNP_Jd },
|
|
/* 0F 8C /d */ { BxImmediate_BrOff32, BX_IA_JL_Jd },
|
|
/* 0F 8D /d */ { BxImmediate_BrOff32, BX_IA_JNL_Jd },
|
|
/* 0F 8E /d */ { BxImmediate_BrOff32, BX_IA_JLE_Jd },
|
|
/* 0F 8F /d */ { BxImmediate_BrOff32, BX_IA_JNLE_Jd },
|
|
/* 0F 90 /d */ { 0, BX_IA_SETO_Eb },
|
|
/* 0F 91 /d */ { 0, BX_IA_SETNO_Eb },
|
|
/* 0F 92 /d */ { 0, BX_IA_SETB_Eb },
|
|
/* 0F 93 /d */ { 0, BX_IA_SETNB_Eb },
|
|
/* 0F 94 /d */ { 0, BX_IA_SETZ_Eb },
|
|
/* 0F 95 /d */ { 0, BX_IA_SETNZ_Eb },
|
|
/* 0F 96 /d */ { 0, BX_IA_SETBE_Eb },
|
|
/* 0F 97 /d */ { 0, BX_IA_SETNBE_Eb },
|
|
/* 0F 98 /d */ { 0, BX_IA_SETS_Eb },
|
|
/* 0F 99 /d */ { 0, BX_IA_SETNS_Eb },
|
|
/* 0F 9A /d */ { 0, BX_IA_SETP_Eb },
|
|
/* 0F 9B /d */ { 0, BX_IA_SETNP_Eb },
|
|
/* 0F 9C /d */ { 0, BX_IA_SETL_Eb },
|
|
/* 0F 9D /d */ { 0, BX_IA_SETNL_Eb },
|
|
/* 0F 9E /d */ { 0, BX_IA_SETLE_Eb },
|
|
/* 0F 9F /d */ { 0, BX_IA_SETNLE_Eb },
|
|
/* 0F A0 /d */ { 0, BX_IA_PUSH_Op32_Sw },
|
|
/* 0F A1 /d */ { 0, BX_IA_POP_Op32_Sw },
|
|
/* 0F A2 /d */ { 0, BX_IA_CPUID },
|
|
/* 0F A3 /d */ { 0, BX_IA_BT_EdGd },
|
|
/* 0F A4 /d */ { BxImmediate_Ib, BX_IA_SHLD_EdGdIb },
|
|
/* 0F A5 /d */ { 0, BX_IA_SHLD_EdGd },
|
|
/* 0F A6 /d */ { 0, BX_IA_ERROR }, // CMPXCHG_XBTS not implemented
|
|
/* 0F A7 /d */ { 0, BX_IA_ERROR }, // CMPXCHG_IBTS not implemented
|
|
/* 0F A8 /d */ { 0, BX_IA_PUSH_Op32_Sw },
|
|
/* 0F A9 /d */ { 0, BX_IA_POP_Op32_Sw },
|
|
/* 0F AA /d */ { 0, BX_IA_RSM },
|
|
/* 0F AB /d */ { BxLockable, BX_IA_BTS_EdGd },
|
|
/* 0F AC /d */ { BxImmediate_Ib, BX_IA_SHRD_EdGdIb },
|
|
/* 0F AD /d */ { 0, BX_IA_SHRD_EdGd },
|
|
/* 0F AE /d */ { BxGroup15, BX_IA_ERROR, BxOpcodeInfoG15 },
|
|
/* 0F AF /d */ { 0, BX_IA_IMUL_GdEd },
|
|
/* 0F B0 /d */ { BxLockable, BX_IA_CMPXCHG_EbGb },
|
|
/* 0F B1 /d */ { BxLockable, BX_IA_CMPXCHG_EdGd },
|
|
/* 0F B2 /d */ { 0, BX_IA_LSS_GdMp },
|
|
/* 0F B3 /d */ { BxLockable, BX_IA_BTR_EdGd },
|
|
/* 0F B4 /d */ { 0, BX_IA_LFS_GdMp },
|
|
/* 0F B5 /d */ { 0, BX_IA_LGS_GdMp },
|
|
/* 0F B6 /d */ { 0, BX_IA_MOVZX_GdEb },
|
|
/* 0F B7 /d */ { 0, BX_IA_MOVZX_GdEw },
|
|
/* 0F B8 /d */ { BxPrefixSSEF3, BX_IA_POPCNT_GdEd },
|
|
/* 0F B9 /d */ { 0, BX_IA_UD2B },
|
|
/* 0F BA /d */ { BxGroup8, BX_IA_ERROR, BxOpcodeInfoG8EdIb },
|
|
/* 0F BB /d */ { BxLockable, BX_IA_BTC_EdGd },
|
|
/* 0F BC /d */ { BxPrefixSSE, BX_IA_BSF_GdEd, BxOpcodeGroupSSE_TZCNT32 },
|
|
/* 0F BD /d */ { BxPrefixSSE, BX_IA_BSR_GdEd, BxOpcodeGroupSSE_LZCNT32 },
|
|
/* 0F BE /d */ { 0, BX_IA_MOVSX_GdEb },
|
|
/* 0F BF /d */ { 0, BX_IA_MOVSX_GdEw },
|
|
/* 0F C0 /d */ { BxLockable, BX_IA_XADD_EbGb },
|
|
/* 0F C1 /d */ { BxLockable, BX_IA_XADD_EdGd },
|
|
/* 0F C2 /d */ { BxAliasSSE | BxImmediate_Ib, BX_IA_CMPPS_VpsWpsIb },
|
|
/* 0F C3 /d */ { BxPrefixSSE, BX_IA_MOVNTI_Op32_MdGd, BxOpcodeGroupSSE_ERR },
|
|
/* 0F C4 /d */ { BxPrefixSSE2 | BxImmediate_Ib, BX_IA_ERROR, BxOpcodeGroupSSE_0fc4 },
|
|
/* 0F C5 /d */ { BxPrefixSSE2 | BxImmediate_Ib, BX_IA_ERROR, BxOpcodeGroupSSE_0fc5R },
|
|
/* 0F C6 /d */ { BxPrefixSSE2 | BxImmediate_Ib, BX_IA_ERROR, BxOpcodeGroupSSE_0fc6 },
|
|
/* 0F C7 /d */ { BxGroup9, BX_IA_ERROR, BxOpcodeInfoG9d },
|
|
/* 0F C8 /d */ { 0, BX_IA_BSWAP_ERX },
|
|
/* 0F C9 /d */ { 0, BX_IA_BSWAP_ERX },
|
|
/* 0F CA /d */ { 0, BX_IA_BSWAP_ERX },
|
|
/* 0F CB /d */ { 0, BX_IA_BSWAP_ERX },
|
|
/* 0F CC /d */ { 0, BX_IA_BSWAP_ERX },
|
|
/* 0F CD /d */ { 0, BX_IA_BSWAP_ERX },
|
|
/* 0F CE /d */ { 0, BX_IA_BSWAP_ERX },
|
|
/* 0F CF /d */ { 0, BX_IA_BSWAP_ERX },
|
|
/* 0F D0 /d */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0fd0 },
|
|
/* 0F D1 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fd1 },
|
|
/* 0F D2 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fd2 },
|
|
/* 0F D3 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fd3 },
|
|
/* 0F D4 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fd4 },
|
|
/* 0F D5 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fd5 },
|
|
/* 0F D6 /d */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0fd6 },
|
|
/* 0F D7 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fd7R },
|
|
/* 0F D8 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fd8 },
|
|
/* 0F D9 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fd9 },
|
|
/* 0F DA /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fda },
|
|
/* 0F DB /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fdb },
|
|
/* 0F DC /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fdc },
|
|
/* 0F DD /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fdd },
|
|
/* 0F DE /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fde },
|
|
/* 0F DF /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fdf },
|
|
/* 0F E0 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fe0 },
|
|
/* 0F E1 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fe1 },
|
|
/* 0F E2 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fe2 },
|
|
/* 0F E3 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fe3 },
|
|
/* 0F E4 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fe4 },
|
|
/* 0F E5 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fe5 },
|
|
/* 0F E6 /d */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0fe6 },
|
|
/* 0F E7 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fe7M },
|
|
/* 0F E8 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fe8 },
|
|
/* 0F E9 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fe9 },
|
|
/* 0F EA /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fea },
|
|
/* 0F EB /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0feb },
|
|
/* 0F EC /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fec },
|
|
/* 0F ED /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fed },
|
|
/* 0F EE /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fee },
|
|
/* 0F EF /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0fef },
|
|
/* 0F F0 /d */ { BxPrefixSSEF2, BX_IA_LDDQU_VdqMdq },
|
|
/* 0F F1 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0ff1 },
|
|
/* 0F F2 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0ff2 },
|
|
/* 0F F3 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0ff3 },
|
|
/* 0F F4 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0ff4 },
|
|
/* 0F F5 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0ff5 },
|
|
/* 0F F6 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0ff6 },
|
|
/* 0F F7 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0ff7R },
|
|
/* 0F F8 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0ff8 },
|
|
/* 0F F9 /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0ff9 },
|
|
/* 0F FA /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0ffa },
|
|
/* 0F FB /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0ffb },
|
|
/* 0F FC /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0ffc },
|
|
/* 0F FD /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0ffd },
|
|
/* 0F FE /d */ { BxPrefixSSE2, BX_IA_ERROR, BxOpcodeGroupSSE_0ffe },
|
|
/* 0F FF /d */ { 0, BX_IA_ERROR }
|
|
};
|
|
|
|
int BX_CPP_AttrRegparmN(3)
|
|
BX_CPU_C::fetchDecode32(const Bit8u *iptr, Bit32u fetchModeMask, bxInstruction_c *i, unsigned remainingInPage)
|
|
{
|
|
if (remainingInPage > 15) remainingInPage = 15;
|
|
|
|
unsigned remain = remainingInPage; // remain must be at least 1
|
|
bx_bool is_32, lock=0;
|
|
unsigned b1, b2 = 0, os_32, ia_opcode = BX_IA_ERROR, imm_mode = 0;
|
|
unsigned rm = 0, mod=0, nnn=0, mod_mem = 0;
|
|
unsigned seg = BX_SEG_REG_DS, seg_override = BX_SEG_REG_NULL;
|
|
|
|
#define SSE_PREFIX_NONE 0
|
|
#define SSE_PREFIX_66 1
|
|
#define SSE_PREFIX_F3 2
|
|
#define SSE_PREFIX_F2 3
|
|
unsigned sse_prefix = SSE_PREFIX_NONE;
|
|
|
|
bx_bool vex_w = 0;
|
|
#if BX_SUPPORT_AVX
|
|
int had_vex_xop = 0, vvv = -1;
|
|
bx_bool use_vvv = 0;
|
|
#endif
|
|
|
|
os_32 = is_32 = fetchModeMask & BX_FETCH_MODE_IS32_MASK;
|
|
|
|
i->ResolveModrm = 0;
|
|
i->init(/*os32*/ is_32, /*as32*/ is_32,
|
|
/*os64*/ 0, /*as64*/ 0);
|
|
|
|
fetch_b1:
|
|
b1 = *iptr++;
|
|
remain--;
|
|
|
|
switch (b1) {
|
|
case 0x0f: // 2-byte escape
|
|
if (remain != 0) {
|
|
remain--;
|
|
b1 = 0x100 | *iptr++;
|
|
break;
|
|
}
|
|
return(-1);
|
|
case 0x66: // OpSize
|
|
os_32 = !is_32;
|
|
if(!sse_prefix) sse_prefix = SSE_PREFIX_66;
|
|
i->setOs32B(os_32);
|
|
if (remain != 0) {
|
|
goto fetch_b1;
|
|
}
|
|
return(-1);
|
|
case 0x67: // AddrSize
|
|
i->setAs32B(!is_32);
|
|
if (remain != 0) {
|
|
goto fetch_b1;
|
|
}
|
|
return(-1);
|
|
case 0xf2: // REPNE/REPNZ
|
|
case 0xf3: // REP/REPE/REPZ
|
|
sse_prefix = (b1 & 3) ^ 1;
|
|
i->setLockRepUsed(b1 & 3);
|
|
if (remain != 0) {
|
|
goto fetch_b1;
|
|
}
|
|
return(-1);
|
|
case 0x26: // ES:
|
|
case 0x2e: // CS:
|
|
case 0x36: // SS:
|
|
case 0x3e: // DS:
|
|
seg_override = (b1 >> 3) & 3;
|
|
if (remain != 0) {
|
|
goto fetch_b1;
|
|
}
|
|
return(-1);
|
|
case 0x64: // FS:
|
|
case 0x65: // GS:
|
|
seg_override = (b1 & 0xf);
|
|
if (remain != 0) {
|
|
goto fetch_b1;
|
|
}
|
|
return(-1);
|
|
case 0xf0: // LOCK:
|
|
lock = 1;
|
|
if (remain != 0) {
|
|
goto fetch_b1;
|
|
}
|
|
return(-1);
|
|
default:
|
|
break;
|
|
}
|
|
|
|
i->modRMForm.Id = 0;
|
|
|
|
unsigned index = b1 + (os_32 << 9); // *512
|
|
|
|
const BxOpcodeInfo_t *OpcodeInfoPtr = &(BxOpcodeInfo32[index]);
|
|
Bit16u attr = OpcodeInfoPtr->Attr;
|
|
|
|
bx_bool has_modrm = 0;
|
|
|
|
#if BX_SUPPORT_AVX
|
|
if ((b1 & ~0x1) == 0xc4 && (*iptr & 0xc0) == 0xc0) {
|
|
// VEX 0xC4 and VEX 0xC5
|
|
had_vex_xop = b1;
|
|
if (sse_prefix || ! protected_mode())
|
|
goto decode_done;
|
|
|
|
unsigned vex, vex_opcext = 1;
|
|
if (remain != 0) {
|
|
remain--;
|
|
vex = *iptr++;
|
|
}
|
|
else
|
|
return(-1);
|
|
|
|
if (b1 == 0xc4) {
|
|
// decode 3-byte VEX prefix
|
|
vex_opcext = vex & 0x1f;
|
|
if (remain != 0) {
|
|
remain--;
|
|
vex = *iptr++; // fetch VEX3
|
|
}
|
|
else
|
|
return(-1);
|
|
|
|
vex_w = (vex >> 7) & 0x1;
|
|
}
|
|
|
|
vvv = 15 - ((vex >> 3) & 0xf);
|
|
unsigned vex_l = (vex >> 2) & 0x1;
|
|
i->setVL(BX_VL128 + vex_l);
|
|
sse_prefix = vex & 0x3;
|
|
|
|
unsigned opcode_byte = 0;
|
|
if (remain != 0) {
|
|
remain--;
|
|
opcode_byte = *iptr++;
|
|
}
|
|
else
|
|
return(-1);
|
|
|
|
opcode_byte += 256 * vex_opcext;
|
|
if (opcode_byte < 256 || opcode_byte >= 1024) goto decode_done;
|
|
has_modrm = (opcode_byte != 0x177); // if not VZEROUPPER/VZEROALL opcode
|
|
|
|
OpcodeInfoPtr = &BxOpcodeTableAVX[(opcode_byte-256)*2 + vex_l];
|
|
}
|
|
#if BX_SUPPORT_EVEX
|
|
else if (b1 == 0x62 && (*iptr & 0xc0) == 0xc0) {
|
|
had_vex_xop = b1;
|
|
if (sse_prefix || ! protected_mode())
|
|
goto decode_done;
|
|
|
|
Bit32u evex;
|
|
if (remain > 3) {
|
|
evex = FetchDWORD(iptr);
|
|
iptr += 4;
|
|
remain -= 4;
|
|
}
|
|
else {
|
|
return(-1);
|
|
}
|
|
|
|
// check for reserved EVEX bits
|
|
if ((evex & 0x0c) != 0 || (evex & 0x400) == 0)
|
|
goto decode_done;
|
|
|
|
unsigned evex_opcext = evex & 0x3;
|
|
if (evex_opcext == 0)
|
|
goto decode_done;
|
|
|
|
sse_prefix = (evex >> 8) & 0x3;
|
|
vvv = 15 - ((evex >> 11) & 0xf);
|
|
if (vvv >= 8)
|
|
goto decode_done;
|
|
|
|
vex_w = (evex >> 15) & 0x1;
|
|
unsigned opmask = (evex >> 16) & 0x7;
|
|
i->setOpmask(opmask);
|
|
unsigned evex_v = ((evex >> 19) & 0x1) ^ 0x1;
|
|
if (evex_v)
|
|
goto decode_done;
|
|
unsigned evex_b = (evex >> 20) & 0x1;
|
|
i->setEvexb(evex_b);
|
|
|
|
unsigned evex_vl_rc = (evex >> 21) & 0x3;
|
|
i->setRC(evex_vl_rc);
|
|
i->setVL(1 << evex_vl_rc);
|
|
|
|
unsigned evex_z = (evex >> 23) & 0x1;
|
|
i->setZeroMasking(evex_z);
|
|
|
|
if (evex_z && ! opmask)
|
|
goto decode_done;
|
|
|
|
unsigned opcode_byte = (evex >> 24);
|
|
opcode_byte += 256 * (evex_opcext-1);
|
|
has_modrm = 1;
|
|
|
|
OpcodeInfoPtr = &BxOpcodeTableEVEX[opcode_byte*2 + (opmask != 0)];
|
|
}
|
|
#endif
|
|
else if (b1 == 0x8f && (*iptr & 0xc8) == 0xc8) {
|
|
// 3 byte XOP prefix
|
|
had_vex_xop = b1;
|
|
if (sse_prefix || ! protected_mode())
|
|
goto decode_done;
|
|
|
|
unsigned vex;
|
|
if (remain > 2) {
|
|
remain -= 3;
|
|
vex = *iptr++; // fetch XOP2
|
|
}
|
|
else
|
|
return(-1);
|
|
|
|
unsigned xop_opcext = (vex & 0x1f) - 8;
|
|
if (xop_opcext >= 3)
|
|
goto decode_done;
|
|
|
|
vex = *iptr++; // fetch XOP3
|
|
|
|
vex_w = (vex >> 7) & 0x1;
|
|
vvv = 15 - ((vex >> 3) & 0xf);
|
|
unsigned vex_l = (vex >> 2) & 0x1;
|
|
i->setVL(BX_VL128 + vex_l);
|
|
sse_prefix = vex & 0x3;
|
|
if (sse_prefix) goto decode_done;
|
|
|
|
unsigned opcode_byte = *iptr++;
|
|
has_modrm = 1;
|
|
opcode_byte += 256 * xop_opcext;
|
|
|
|
OpcodeInfoPtr = &BxOpcodeTableXOP[opcode_byte];
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
has_modrm = BxOpcodeHasModrm32[b1];
|
|
}
|
|
|
|
if (has_modrm) {
|
|
|
|
#if BX_CPU_LEVEL >= 6
|
|
// handle 3-byte escape
|
|
if (b1 == 0x138 || b1 == 0x13a) {
|
|
if (remain != 0) {
|
|
remain--;
|
|
unsigned b3 = *iptr++;
|
|
OpcodeInfoPtr = &OpcodeInfoPtr->AnotherArray[b3];
|
|
}
|
|
else
|
|
return(-1);
|
|
}
|
|
#endif
|
|
|
|
// opcode requires modrm byte
|
|
if (remain != 0) {
|
|
remain--;
|
|
b2 = *iptr++;
|
|
}
|
|
else
|
|
return(-1);
|
|
|
|
// Parse mod-nnn-rm and related bytes
|
|
mod = b2 & 0xc0; // leave unshifted
|
|
nnn = (b2 >> 3) & 0x7;
|
|
rm = b2 & 0x7;
|
|
|
|
if (b1 >= 0xd8 && b1 <= 0xdf)
|
|
i->setFoo((b2 | (b1 << 8)) & 0x7ff); /* for x87 */
|
|
|
|
// 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
|
|
i->assertModC0();
|
|
goto modrm_done;
|
|
}
|
|
|
|
mod_mem = 1;
|
|
i->setSibBase(rm); // initialize with rm to use BxResolve32Base
|
|
i->setSibIndex(BX_NIL_REGISTER);
|
|
// initialize displ32 with zero to include cases with no diplacement
|
|
i->modRMForm.displ32u = 0;
|
|
|
|
if (i->as32L()) {
|
|
// 32-bit addressing modes; note that mod==11b handled above
|
|
i->ResolveModrm = &BX_CPU_C::BxResolve32Base;
|
|
if (rm != 4) { // no s-i-b byte
|
|
if (mod == 0x00) { // mod == 00b
|
|
if (rm == 5) {
|
|
i->setSibBase(BX_NIL_REGISTER);
|
|
if (remain > 3) {
|
|
i->modRMForm.displ32u = FetchDWORD(iptr);
|
|
iptr += 4;
|
|
remain -= 4;
|
|
}
|
|
else return(-1);
|
|
}
|
|
// mod==00b, rm!=4, rm!=5
|
|
goto modrm_done;
|
|
}
|
|
seg = sreg_mod1or2_base32[rm];
|
|
}
|
|
else { // mod!=11b, rm==4, s-i-b byte follows
|
|
unsigned sib, base, index, scale;
|
|
if (remain != 0) {
|
|
sib = *iptr++;
|
|
remain--;
|
|
}
|
|
else {
|
|
return(-1);
|
|
}
|
|
base = sib & 0x7; sib >>= 3;
|
|
index = sib & 0x7; sib >>= 3;
|
|
scale = sib;
|
|
i->setSibScale(scale);
|
|
i->setSibBase(base);
|
|
// this part is a little tricky - assign index value always,
|
|
// it will be really used if the instruction is Gather. Others
|
|
// assume that BxResolve32Base will do the right thing.
|
|
i->setSibIndex(index);
|
|
if (index != 4) {
|
|
i->ResolveModrm = &BX_CPU_C::BxResolve32BaseIndex;
|
|
}
|
|
if (mod == 0x00) { // mod==00b, rm==4
|
|
seg = sreg_mod0_base32[base];
|
|
if (base == 5) {
|
|
i->setSibBase(BX_NIL_REGISTER);
|
|
if (remain > 3) {
|
|
i->modRMForm.displ32u = FetchDWORD(iptr);
|
|
iptr += 4;
|
|
remain -= 4;
|
|
}
|
|
else {
|
|
return(-1);
|
|
}
|
|
}
|
|
// mod==00b, rm==4, base!=5
|
|
goto modrm_done;
|
|
}
|
|
seg = sreg_mod1or2_base32[base];
|
|
}
|
|
|
|
if (mod == 0x40) { // mod==01b
|
|
if (remain != 0) {
|
|
// 8 sign extended to 32
|
|
i->modRMForm.displ32u = (Bit8s) *iptr++;
|
|
remain--;
|
|
goto modrm_done;
|
|
}
|
|
else {
|
|
return(-1);
|
|
}
|
|
}
|
|
|
|
// (mod == 0x80), mod==10b
|
|
if (remain > 3) {
|
|
i->modRMForm.displ32u = FetchDWORD(iptr);
|
|
iptr += 4;
|
|
remain -= 4;
|
|
}
|
|
else {
|
|
return(-1);
|
|
}
|
|
}
|
|
else {
|
|
// 16-bit addressing modes, mod==11b handled above
|
|
i->ResolveModrm = &BX_CPU_C::BxResolve16BaseIndex;
|
|
i->setSibBase(Resolve16BaseReg[rm]);
|
|
i->setSibIndex(Resolve16IndexReg[rm]);
|
|
i->setSibScale(0);
|
|
if (mod == 0x00) { // mod == 00b
|
|
seg = sreg_mod00_rm16[rm];
|
|
if (rm == 6) {
|
|
i->setSibBase(BX_NIL_REGISTER);
|
|
if (remain > 1) {
|
|
i->modRMForm.displ16u = FetchWORD(iptr);
|
|
iptr += 2;
|
|
remain -= 2;
|
|
goto modrm_done;
|
|
}
|
|
else return(-1);
|
|
}
|
|
goto modrm_done;
|
|
}
|
|
seg = sreg_mod01or10_rm16[rm];
|
|
if (mod == 0x40) { // mod == 01b
|
|
if (remain != 0) {
|
|
// 8 sign extended to 16
|
|
i->modRMForm.displ16u = (Bit8s) *iptr++;
|
|
remain--;
|
|
goto modrm_done;
|
|
}
|
|
else {
|
|
return(-1);
|
|
}
|
|
}
|
|
// (mod == 0x80) mod == 10b
|
|
if (remain > 1) {
|
|
i->modRMForm.displ16u = FetchWORD(iptr);
|
|
iptr += 2;
|
|
remain -= 2;
|
|
}
|
|
else {
|
|
return(-1);
|
|
}
|
|
}
|
|
|
|
modrm_done:
|
|
|
|
#if BX_SUPPORT_EVEX
|
|
// EVEX.b in reg form implies 512-bit vector length
|
|
if (i->modC0() && i->getEvexb()) {
|
|
i->setVL(BX_VL512);
|
|
}
|
|
#endif
|
|
|
|
ia_opcode = WalkOpcodeTables(OpcodeInfoPtr, attr, b2, sse_prefix, os_32, vex_w);
|
|
}
|
|
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.
|
|
|
|
unsigned group = attr & BxGroupX;
|
|
if (group == BxPrefixSSE && sse_prefix) {
|
|
OpcodeInfoPtr = &(OpcodeInfoPtr->AnotherArray[sse_prefix-1]);
|
|
}
|
|
|
|
ia_opcode = OpcodeInfoPtr->IA;
|
|
rm = b1 & 0x7;
|
|
nnn = (b1 >> 3) & 0x7;
|
|
i->assertModC0();
|
|
}
|
|
|
|
if (lock) { // lock prefix invalid opcode
|
|
// lock prefix not allowed or destination operand is not memory
|
|
if (!mod_mem || !(attr & BxLockable)) {
|
|
#if BX_CPU_LEVEL >= 6
|
|
if (BX_CPUID_SUPPORT_CPU_EXTENSION(BX_CPU_ALT_MOV_CR8) &&
|
|
(ia_opcode == BX_IA_MOV_CR0Rd || ia_opcode == BX_IA_MOV_RdCR0)) {
|
|
nnn = 8; // extend CR0 -> CR8
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
BX_INFO(("LOCK prefix unallowed (op1=0x%x, modrm=0x%02x)", b1, b2));
|
|
// replace execution function with undefined-opcode
|
|
ia_opcode = BX_IA_ERROR;
|
|
}
|
|
}
|
|
}
|
|
|
|
imm_mode = attr & BxImmediate;
|
|
if (imm_mode) {
|
|
// make sure iptr was advanced after Ib(), Iw() and Id()
|
|
switch (imm_mode) {
|
|
case BxImmediate_I1:
|
|
i->modRMForm.Ib[0] = 1;
|
|
break;
|
|
case BxImmediate_Ib:
|
|
if (remain != 0) {
|
|
i->modRMForm.Ib[0] = *iptr++;
|
|
remain--;
|
|
}
|
|
else {
|
|
return(-1);
|
|
}
|
|
break;
|
|
case BxImmediate_BrOff8:
|
|
case BxImmediate_Ib_SE: // Sign extend to OS size
|
|
if (remain != 0) {
|
|
Bit8s temp8s = *iptr;
|
|
// this code works correctly both for LE and BE hosts
|
|
if (i->os32L())
|
|
i->modRMForm.Id = (Bit32s) temp8s;
|
|
else
|
|
i->modRMForm.Iw[0] = (Bit16s) temp8s;
|
|
remain--;
|
|
}
|
|
else {
|
|
return(-1);
|
|
}
|
|
break;
|
|
case BxImmediate_Iw:
|
|
if (remain > 1) {
|
|
i->modRMForm.Iw[0] = FetchWORD(iptr);
|
|
iptr += 2;
|
|
remain -= 2;
|
|
}
|
|
else {
|
|
return(-1);
|
|
}
|
|
break;
|
|
case BxImmediate_Id:
|
|
if (remain > 3) {
|
|
i->modRMForm.Id = FetchDWORD(iptr);
|
|
iptr += 4;
|
|
remain -= 4;
|
|
}
|
|
else {
|
|
return(-1);
|
|
}
|
|
break;
|
|
case BxImmediate_O:
|
|
// For instructions which embed the address in the opcode.
|
|
if (i->as32L()) {
|
|
// fetch 32bit address into Id
|
|
if (remain > 3) {
|
|
i->modRMForm.Id = FetchDWORD(iptr);
|
|
remain -= 4;
|
|
}
|
|
else return(-1);
|
|
}
|
|
else {
|
|
// fetch 16bit address into Id
|
|
if (remain > 1) {
|
|
i->modRMForm.Id = (Bit32u) FetchWORD(iptr);
|
|
remain -= 2;
|
|
}
|
|
else return(-1);
|
|
}
|
|
break;
|
|
default:
|
|
BX_INFO(("b1 was %x", b1));
|
|
BX_PANIC(("fetchdecode32: imm_mode = %u", imm_mode));
|
|
}
|
|
|
|
#if BX_SUPPORT_AVX
|
|
if (! had_vex_xop)
|
|
#endif
|
|
{
|
|
unsigned imm_mode2 = attr & BxImmediate2;
|
|
if (imm_mode2) {
|
|
switch (imm_mode2) {
|
|
case BxImmediate_Ib2:
|
|
if (remain != 0) {
|
|
i->modRMForm.Ib2[0] = *iptr;
|
|
remain--;
|
|
}
|
|
else {
|
|
return(-1);
|
|
}
|
|
break;
|
|
case BxImmediate_Iw2:
|
|
if (remain > 1) {
|
|
i->modRMForm.Iw2[0] = FetchWORD(iptr);
|
|
remain -= 2;
|
|
}
|
|
else {
|
|
return(-1);
|
|
}
|
|
break;
|
|
default:
|
|
BX_INFO(("b1 was %x", b1));
|
|
BX_PANIC(("fetchdecode: imm_mode2 = %u", imm_mode2));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#if BX_SUPPORT_3DNOW
|
|
if(b1 == 0x10f)
|
|
ia_opcode = Bx3DNowOpcode[i->modRMForm.Ib];
|
|
#endif
|
|
|
|
// assign sources
|
|
for (unsigned n = 0; n <= 3; n++) {
|
|
unsigned src = (unsigned) BxOpcodesTable[ia_opcode].src[n];
|
|
unsigned type = src >> 3;
|
|
switch(src & 0x7) {
|
|
case BX_SRC_NONE:
|
|
break;
|
|
case BX_SRC_EAX:
|
|
i->setSrcReg(n, 0);
|
|
break;
|
|
case BX_SRC_NNN:
|
|
i->setSrcReg(n, nnn);
|
|
break;
|
|
case BX_SRC_RM:
|
|
if (! mod_mem) {
|
|
i->setSrcReg(n, rm);
|
|
}
|
|
else {
|
|
i->setSrcReg(n, (type == BX_VMM_REG) ? BX_VECTOR_TMP_REGISTER : BX_TMP_REGISTER);
|
|
}
|
|
break;
|
|
#if BX_SUPPORT_AVX
|
|
case BX_SRC_VVV:
|
|
i->setSrcReg(n, vvv);
|
|
use_vvv = 1;
|
|
break;
|
|
case BX_SRC_VIB:
|
|
i->setSrcReg(n, (i->Ib() >> 4) & 7);
|
|
break;
|
|
case BX_SRC_VSIB:
|
|
if (! i->as32L() || i->sibIndex() == BX_NIL_REGISTER) {
|
|
ia_opcode = BX_IA_ERROR;
|
|
}
|
|
break;
|
|
#endif
|
|
default:
|
|
BX_PANIC(("fetchdecode32: unknown definition %d for src %d", src, n));
|
|
}
|
|
}
|
|
|
|
// assign memory segment override
|
|
if (! BX_NULL_SEG_REG(seg_override))
|
|
seg = seg_override;
|
|
i->setSeg(seg);
|
|
|
|
#if BX_SUPPORT_AVX
|
|
if (had_vex_xop) {
|
|
if (! use_vvv && vvv != 0) {
|
|
ia_opcode = BX_IA_ERROR;
|
|
}
|
|
else if ((attr & BxVexW0) != 0 && vex_w) {
|
|
ia_opcode = BX_IA_ERROR;
|
|
}
|
|
else if ((attr & BxVexW1) != 0 && !vex_w) {
|
|
ia_opcode = BX_IA_ERROR;
|
|
}
|
|
#if BX_SUPPORT_EVEX
|
|
// EVEX specific #UD conditions
|
|
else if (i->getVL() > BX_VL512) {
|
|
ia_opcode = BX_IA_ERROR;
|
|
}
|
|
#endif
|
|
else if ((attr & BxVexL0) != 0 && i->getVL() != BX_VL128) {
|
|
ia_opcode = BX_IA_ERROR;
|
|
}
|
|
else if ((attr & BxVexL1) != 0 && i->getVL() == BX_VL128) {
|
|
ia_opcode = BX_IA_ERROR;
|
|
}
|
|
}
|
|
else {
|
|
BX_ASSERT(! use_vvv);
|
|
}
|
|
#endif
|
|
|
|
decode_done:
|
|
|
|
i->setILen(remainingInPage - remain);
|
|
i->setIaOpcode(ia_opcode);
|
|
if (lock) i->setLockRepUsed(1);
|
|
|
|
if (mod_mem) {
|
|
i->execute1 = BxOpcodesTable[ia_opcode].execute1;
|
|
i->handlers.execute2 = BxOpcodesTable[ia_opcode].execute2;
|
|
|
|
if (ia_opcode == BX_IA_MOV_Op32_GdEd) {
|
|
if (seg == BX_SEG_REG_SS)
|
|
i->execute1 = &BX_CPU_C::MOV32S_GdEdM;
|
|
}
|
|
if (ia_opcode == BX_IA_MOV_Op32_EdGd) {
|
|
if (seg == BX_SEG_REG_SS)
|
|
i->execute1 = &BX_CPU_C::MOV32S_EdGdM;
|
|
}
|
|
}
|
|
else {
|
|
i->execute1 = BxOpcodesTable[ia_opcode].execute2;
|
|
i->handlers.execute2 = NULL;
|
|
}
|
|
|
|
BX_ASSERT(i->execute1);
|
|
|
|
Bit32u op_flags = BxOpcodesTable[ia_opcode].opflags;
|
|
#if BX_SUPPORT_EVEX
|
|
if ((op_flags & BX_PREPARE_EVEX) != 0 && i->getEvexb()) {
|
|
if (mod_mem) {
|
|
if ((op_flags & BX_PREPARE_EVEX_NO_BROADCAST) == BX_PREPARE_EVEX_NO_BROADCAST) {
|
|
BX_DEBUG(("%s: broadcast is not supported for this instruction", i->getIaOpcodeNameShort()));
|
|
i->execute1 = &BX_CPU_C::BxError;
|
|
}
|
|
}
|
|
else {
|
|
if ((op_flags & BX_PREPARE_EVEX_NO_SAE) == BX_PREPARE_EVEX_NO_SAE) {
|
|
BX_DEBUG(("%s: EVEX.b in reg form is not allowed for instructions which cannot cause floating point exception", i->getIaOpcodeNameShort()));
|
|
i->execute1 = &BX_CPU_C::BxError;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
#if BX_CPU_LEVEL >= 6
|
|
if (! (fetchModeMask & BX_FETCH_MODE_SSE_OK)) {
|
|
if (op_flags & BX_PREPARE_SSE) {
|
|
if (i->execute1 != &BX_CPU_C::BxError) i->execute1 = &BX_CPU_C::BxNoSSE;
|
|
return(1);
|
|
}
|
|
}
|
|
#if BX_SUPPORT_AVX
|
|
if (! (fetchModeMask & BX_FETCH_MODE_AVX_OK)) {
|
|
if (op_flags & BX_PREPARE_AVX) {
|
|
if (i->execute1 != &BX_CPU_C::BxError) i->execute1 = &BX_CPU_C::BxNoAVX;
|
|
return(1);
|
|
}
|
|
}
|
|
#if BX_SUPPORT_EVEX
|
|
if (! (fetchModeMask & BX_FETCH_MODE_OPMASK_OK)) {
|
|
if (op_flags & BX_PREPARE_OPMASK) {
|
|
if (i->execute1 != &BX_CPU_C::BxError) i->execute1 = &BX_CPU_C::BxNoOpMask;
|
|
return(1);
|
|
}
|
|
}
|
|
if (! (fetchModeMask & BX_FETCH_MODE_EVEX_OK)) {
|
|
if (op_flags & BX_PREPARE_EVEX) {
|
|
if (i->execute1 != &BX_CPU_C::BxError) i->execute1 = &BX_CPU_C::BxNoEVEX;
|
|
return(1);
|
|
}
|
|
}
|
|
#endif
|
|
#endif
|
|
#endif
|
|
|
|
if ((op_flags & BX_TRACE_END) != 0 || i->execute1 == &BX_CPU_C::BxError)
|
|
return(1);
|
|
|
|
return(0);
|
|
}
|
|
|
|
Bit16u BX_CPU_C::WalkOpcodeTables(const BxOpcodeInfo_t *OpcodeInfoPtr, Bit16u &attr, unsigned modrm, unsigned sse_prefix, unsigned osize, bx_bool vex_w)
|
|
{
|
|
// Parse mod-nnn-rm and related bytes
|
|
unsigned mod_mem = (modrm & 0xc0) != 0xc0;
|
|
unsigned nnn = (modrm >> 3) & 0x7;
|
|
//rm = modrm & 0x7;
|
|
|
|
attr |= OpcodeInfoPtr->Attr;
|
|
|
|
while(attr & BxGroupX) {
|
|
Bit32u group = attr & BxGroupX;
|
|
attr &= ~BxGroupX;
|
|
|
|
// ignore 0x66 SSE prefix is required
|
|
if (group == BxPrefixSSEF2F3) {
|
|
if (sse_prefix == SSE_PREFIX_66) sse_prefix = SSE_PREFIX_NONE;
|
|
group = BxPrefixSSE;
|
|
}
|
|
|
|
if (group < BxPrefixSSE) {
|
|
/* For opcodes with only one allowed SSE prefix */
|
|
if (sse_prefix != (group >> 4)) {
|
|
attr = 0;
|
|
return BX_IA_ERROR;
|
|
}
|
|
break;
|
|
}
|
|
|
|
switch(group) {
|
|
case BxGroupN:
|
|
OpcodeInfoPtr = &(OpcodeInfoPtr->AnotherArray[nnn]);
|
|
break;
|
|
case BxSplitGroupN:
|
|
OpcodeInfoPtr = &(OpcodeInfoPtr->AnotherArray[nnn + (mod_mem << 3)]);
|
|
break;
|
|
#if BX_SUPPORT_AVX
|
|
case BxSplitMod11B:
|
|
OpcodeInfoPtr = &(OpcodeInfoPtr->AnotherArray[mod_mem]);
|
|
break;
|
|
#endif
|
|
case BxOSizeGrp:
|
|
OpcodeInfoPtr = &(OpcodeInfoPtr->AnotherArray[osize]);
|
|
break;
|
|
case BxPrefixSSE:
|
|
/* For SSE opcodes look into another 3-entry table
|
|
with the opcode prefixes (NONE, 0x66, 0xF3, 0xF2) */
|
|
if (sse_prefix) {
|
|
OpcodeInfoPtr = &(OpcodeInfoPtr->AnotherArray[sse_prefix-1]);
|
|
break;
|
|
}
|
|
continue;
|
|
case BxPrefixSSE4:
|
|
/* For SSE opcodes look into another 4-entry table
|
|
with the opcode prefixes (NONE, 0x66, 0xF3, 0xF2) */
|
|
OpcodeInfoPtr = &(OpcodeInfoPtr->AnotherArray[sse_prefix]);
|
|
break;
|
|
case BxPrefixSSE2:
|
|
/* For SSE opcodes look into another 2-entry table
|
|
with the opcode prefixes (NONE, 0x66), 0xF2 and 0xF3 not allowed */
|
|
if (sse_prefix > SSE_PREFIX_66) {
|
|
attr = 0;
|
|
return BX_IA_ERROR;
|
|
}
|
|
OpcodeInfoPtr = &(OpcodeInfoPtr->AnotherArray[sse_prefix]);
|
|
break;
|
|
case BxFPEscape:
|
|
if (mod_mem)
|
|
OpcodeInfoPtr = &(OpcodeInfoPtr->AnotherArray[nnn]);
|
|
else
|
|
OpcodeInfoPtr = &(OpcodeInfoPtr->AnotherArray[(modrm & 0x3f) + 8]);
|
|
break;
|
|
default:
|
|
BX_PANIC(("fetchdecode64: Unknown opcode group %d", group));
|
|
}
|
|
|
|
/* get additional attributes from group table */
|
|
attr |= OpcodeInfoPtr->Attr;
|
|
}
|
|
|
|
Bit16u ia_opcode = OpcodeInfoPtr->IA;
|
|
|
|
if (ia_opcode != BX_IA_ERROR) {
|
|
unsigned has_alias = attr & BxAlias;
|
|
if (has_alias) {
|
|
unsigned alias = 0;
|
|
if (has_alias == BxAliasSSE) {
|
|
alias = sse_prefix;
|
|
}
|
|
#if BX_SUPPORT_AVX
|
|
else {
|
|
// VexW64 is ignored in 32-bit mode
|
|
if (has_alias == BxAliasVexW || long64_mode()) {
|
|
alias = vex_w;
|
|
}
|
|
}
|
|
#endif
|
|
ia_opcode += alias;
|
|
}
|
|
}
|
|
|
|
return (ia_opcode);
|
|
}
|
|
|
|
BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::BxError(bxInstruction_c *i)
|
|
{
|
|
unsigned ia_opcode = i->getIaOpcode();
|
|
|
|
if (ia_opcode == BX_IA_ERROR) {
|
|
BX_DEBUG(("BxError: Encountered an unknown instruction (signalling #UD)"));
|
|
|
|
#if BX_DISASM && BX_DEBUGGER == 0 // with debugger it easy to see the #UD
|
|
if (LOG_THIS getonoff(LOGLEV_DEBUG))
|
|
debug_disasm_instruction(BX_CPU_THIS_PTR prev_rip);
|
|
#endif
|
|
}
|
|
else {
|
|
BX_DEBUG(("%s: instruction not supported - signalling #UD (features bitmask: 0x%08x)",
|
|
get_bx_opcode_name(ia_opcode), BX_CPU_THIS_PTR isa_extensions_bitmask));
|
|
}
|
|
|
|
exception(BX_UD_EXCEPTION, 0);
|
|
|
|
BX_NEXT_TRACE(i); // keep compiler happy
|
|
}
|
|
|
|
const char *get_bx_opcode_name(Bit16u ia_opcode)
|
|
{
|
|
static const char* BxOpcodeNamesTable[BX_IA_LAST] =
|
|
{
|
|
#define bx_define_opcode(a, b, c, d, s1, s2, s3, s4, e) #a,
|
|
#include "ia_opcodes.h"
|
|
};
|
|
#undef bx_define_opcode
|
|
|
|
return (ia_opcode < BX_IA_LAST) ? BxOpcodeNamesTable[ia_opcode] : 0;
|
|
}
|
|
|
|
void BX_CPU_C::init_FetchDecodeTables(void)
|
|
{
|
|
static Bit64u BxOpcodeFeatures[BX_IA_LAST] =
|
|
{
|
|
#define bx_define_opcode(a, b, c, d, s1, s2, s3, s4, e) d,
|
|
#include "ia_opcodes.h"
|
|
};
|
|
#undef bx_define_opcode
|
|
|
|
Bit64u features = BX_CPU_THIS_PTR isa_extensions_bitmask;
|
|
#if BX_CPU_LEVEL > 3
|
|
if (! features)
|
|
BX_PANIC(("init_FetchDecodeTables: CPU features bitmask is empty !"));
|
|
#endif
|
|
|
|
if (BX_IA_LAST > 0xfff)
|
|
BX_PANIC(("init_FetchDecodeTables: too many opcodes defined !"));
|
|
|
|
for (unsigned n=0; n < BX_IA_LAST; n++) {
|
|
Bit64u ia_opcode_features = BxOpcodeFeatures[n];
|
|
if (ia_opcode_features && (ia_opcode_features & features) == 0) {
|
|
BxOpcodesTable[n].execute1 = &BX_CPU_C::BxError;
|
|
BxOpcodesTable[n].execute2 = &BX_CPU_C::BxError;
|
|
// won't allow this new #UD opcode to check prepare_SSE and similar
|
|
BxOpcodesTable[n].src[3] = 0;
|
|
}
|
|
}
|
|
|
|
// handle special case - BSF/BSR vs TZCNT/LZCNT
|
|
if (! BX_CPUID_SUPPORT_ISA_EXTENSION(BX_ISA_LZCNT)) {
|
|
BxOpcodesTable[BX_IA_LZCNT_GwEw] = BxOpcodesTable[BX_IA_BSR_GwEw];
|
|
BxOpcodesTable[BX_IA_LZCNT_GdEd] = BxOpcodesTable[BX_IA_BSR_GdEd];
|
|
#if BX_SUPPORT_X86_64
|
|
BxOpcodesTable[BX_IA_LZCNT_GqEq] = BxOpcodesTable[BX_IA_BSR_GqEq];
|
|
#endif
|
|
}
|
|
|
|
if (! BX_CPUID_SUPPORT_ISA_EXTENSION(BX_ISA_BMI1)) {
|
|
BxOpcodesTable[BX_IA_TZCNT_GwEw] = BxOpcodesTable[BX_IA_BSF_GwEw];
|
|
BxOpcodesTable[BX_IA_TZCNT_GdEd] = BxOpcodesTable[BX_IA_BSF_GdEd];
|
|
#if BX_SUPPORT_X86_64
|
|
BxOpcodesTable[BX_IA_TZCNT_GqEq] = BxOpcodesTable[BX_IA_BSF_GqEq];
|
|
#endif
|
|
}
|
|
}
|