two_byte_opcodes.isa revision 6615:f0e4e63310e5
110447Snilay@cs.wisc.edu// Copyright (c) 2008 The Regents of The University of Michigan 210447Snilay@cs.wisc.edu// All rights reserved. 310447Snilay@cs.wisc.edu// 410447Snilay@cs.wisc.edu// Redistribution and use in source and binary forms, with or without 510447Snilay@cs.wisc.edu// modification, are permitted provided that the following conditions are 610447Snilay@cs.wisc.edu// met: redistributions of source code must retain the above copyright 710447Snilay@cs.wisc.edu// notice, this list of conditions and the following disclaimer; 810447Snilay@cs.wisc.edu// redistributions in binary form must reproduce the above copyright 910447Snilay@cs.wisc.edu// notice, this list of conditions and the following disclaimer in the 1010447Snilay@cs.wisc.edu// documentation and/or other materials provided with the distribution; 1110447Snilay@cs.wisc.edu// neither the name of the copyright holders nor the names of its 1210447Snilay@cs.wisc.edu// contributors may be used to endorse or promote products derived from 1310447Snilay@cs.wisc.edu// this software without specific prior written permission. 1410447Snilay@cs.wisc.edu// 1510447Snilay@cs.wisc.edu// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1610447Snilay@cs.wisc.edu// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1710447Snilay@cs.wisc.edu// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1810447Snilay@cs.wisc.edu// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 1910447Snilay@cs.wisc.edu// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2010447Snilay@cs.wisc.edu// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2110447Snilay@cs.wisc.edu// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2210447Snilay@cs.wisc.edu// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2310447Snilay@cs.wisc.edu// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2410447Snilay@cs.wisc.edu// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2510447Snilay@cs.wisc.edu// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2610447Snilay@cs.wisc.edu// 2710447Snilay@cs.wisc.edu// Authors: Gabe Black 2810447Snilay@cs.wisc.edu 2910447Snilay@cs.wisc.edu// Copyright (c) 2007-2008 The Hewlett-Packard Development Company 3010447Snilay@cs.wisc.edu// All rights reserved. 3110447Snilay@cs.wisc.edu// 3210447Snilay@cs.wisc.edu// Redistribution and use of this software in source and binary forms, 3310447Snilay@cs.wisc.edu// with or without modification, are permitted provided that the 3410447Snilay@cs.wisc.edu// following conditions are met: 3510447Snilay@cs.wisc.edu// 3610447Snilay@cs.wisc.edu// The software must be used only for Non-Commercial Use which means any 3710447Snilay@cs.wisc.edu// use which is NOT directed to receiving any direct monetary 3810447Snilay@cs.wisc.edu// compensation for, or commercial advantage from such use. Illustrative 3910447Snilay@cs.wisc.edu// examples of non-commercial use are academic research, personal study, 4010447Snilay@cs.wisc.edu// teaching, education and corporate research & development. 4110447Snilay@cs.wisc.edu// Illustrative examples of commercial use are distributing products for 4210447Snilay@cs.wisc.edu// commercial advantage and providing services using the software for 4310447Snilay@cs.wisc.edu// commercial advantage. 4410447Snilay@cs.wisc.edu// 4510447Snilay@cs.wisc.edu// If you wish to use this software or functionality therein that may be 4610447Snilay@cs.wisc.edu// covered by patents for commercial use, please contact: 4710447Snilay@cs.wisc.edu// Director of Intellectual Property Licensing 4810447Snilay@cs.wisc.edu// Office of Strategy and Technology 4910447Snilay@cs.wisc.edu// Hewlett-Packard Company 5010447Snilay@cs.wisc.edu// 1501 Page Mill Road 5110447Snilay@cs.wisc.edu// Palo Alto, California 94304 5210447Snilay@cs.wisc.edu// 5310447Snilay@cs.wisc.edu// Redistributions of source code must retain the above copyright notice, 5410447Snilay@cs.wisc.edu// this list of conditions and the following disclaimer. Redistributions 5510447Snilay@cs.wisc.edu// in binary form must reproduce the above copyright notice, this list of 5610447Snilay@cs.wisc.edu// conditions and the following disclaimer in the documentation and/or 5710447Snilay@cs.wisc.edu// other materials provided with the distribution. Neither the name of 5810447Snilay@cs.wisc.edu// the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its 5910447Snilay@cs.wisc.edu// contributors may be used to endorse or promote products derived from 6010447Snilay@cs.wisc.edu// this software without specific prior written permission. No right of 6110447Snilay@cs.wisc.edu// sublicense is granted herewith. Derivatives of the software and 6210447Snilay@cs.wisc.edu// output created using the software may be prepared, but only for 6310447Snilay@cs.wisc.edu// Non-Commercial Uses. Derivatives of the software may be shared with 6410447Snilay@cs.wisc.edu// others provided: (i) the others agree to abide by the list of 6510447Snilay@cs.wisc.edu// conditions herein which includes the Non-Commercial Use restrictions; 6610447Snilay@cs.wisc.edu// and (ii) such Derivatives of the software include the above copyright 6710447Snilay@cs.wisc.edu// notice to acknowledge the contribution from this software where 6810447Snilay@cs.wisc.edu// applicable, this list of conditions and the disclaimer below. 6910447Snilay@cs.wisc.edu// 7010447Snilay@cs.wisc.edu// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 7110447Snilay@cs.wisc.edu// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 7210447Snilay@cs.wisc.edu// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 7310447Snilay@cs.wisc.edu// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 7410447Snilay@cs.wisc.edu// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 7510447Snilay@cs.wisc.edu// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 7610447Snilay@cs.wisc.edu// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 7710447Snilay@cs.wisc.edu// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 7810447Snilay@cs.wisc.edu// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 7910447Snilay@cs.wisc.edu// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 8010447Snilay@cs.wisc.edu// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 8110447Snilay@cs.wisc.edu// 8210447Snilay@cs.wisc.edu// Authors: Gabe Black 8310447Snilay@cs.wisc.edu 8410447Snilay@cs.wisc.edu//////////////////////////////////////////////////////////////////// 8510447Snilay@cs.wisc.edu// 8610447Snilay@cs.wisc.edu// Decode the two byte opcodes 8710447Snilay@cs.wisc.edu// 8810447Snilay@cs.wisc.edu0x2: decode OPCODE_PREFIXA { 8910447Snilay@cs.wisc.edu 0x0F: decode OPCODE_OP_TOP5 { 9010447Snilay@cs.wisc.edu format WarnUnimpl { 9110447Snilay@cs.wisc.edu 0x00: decode OPCODE_OP_BOTTOM3 { 9210447Snilay@cs.wisc.edu //0x00: group6(); 9310447Snilay@cs.wisc.edu 0x00: decode MODRM_REG { 9410447Snilay@cs.wisc.edu 0x0: sldt_Mw_or_Rv(); 9510447Snilay@cs.wisc.edu 0x1: str_Mw_or_Rv(); 9610447Snilay@cs.wisc.edu 0x2: Inst::LLDT(Ew); 9710447Snilay@cs.wisc.edu 0x3: Inst::LTR(Ew); 9810447Snilay@cs.wisc.edu 0x4: verr_Mw_or_Rv(); 9910447Snilay@cs.wisc.edu 0x5: verw_Mw_or_Rv(); 10010447Snilay@cs.wisc.edu //0x6: jmpe_Ev(); // IA-64 10110447Snilay@cs.wisc.edu default: Inst::UD2(); 10210447Snilay@cs.wisc.edu } 10310447Snilay@cs.wisc.edu //0x01: group7(); // Ugly, ugly, ugly... 10410447Snilay@cs.wisc.edu 0x01: decode MODRM_REG { 10510447Snilay@cs.wisc.edu 0x0: decode MODRM_MOD { 10610447Snilay@cs.wisc.edu 0x3: decode MODRM_RM { 10710447Snilay@cs.wisc.edu 0x1: vmcall(); 10810447Snilay@cs.wisc.edu 0x2: vmlaunch(); 10910447Snilay@cs.wisc.edu 0x3: vmresume(); 11010447Snilay@cs.wisc.edu 0x4: vmxoff(); 11110447Snilay@cs.wisc.edu default: Inst::UD2(); 11210447Snilay@cs.wisc.edu } 11310447Snilay@cs.wisc.edu default: sgdt_Ms(); 11410447Snilay@cs.wisc.edu } 11510447Snilay@cs.wisc.edu 0x1: decode MODRM_MOD { 11610447Snilay@cs.wisc.edu 0x3: decode MODRM_RM { 11710447Snilay@cs.wisc.edu 0x0: monitor(); 11810447Snilay@cs.wisc.edu 0x1: mwait(); 11910447Snilay@cs.wisc.edu default: Inst::UD2(); 12010447Snilay@cs.wisc.edu } 12110447Snilay@cs.wisc.edu default: sidt_Ms(); 12210447Snilay@cs.wisc.edu } 12310447Snilay@cs.wisc.edu 0x2: decode MODRM_MOD { 12410447Snilay@cs.wisc.edu 0x3: decode MODRM_RM { 12510447Snilay@cs.wisc.edu 0x0: xgetbv(); 12610447Snilay@cs.wisc.edu 0x1: xsetbv(); 12710447Snilay@cs.wisc.edu } 12810447Snilay@cs.wisc.edu default: decode MODE_SUBMODE { 12910447Snilay@cs.wisc.edu 0x0: Inst::LGDT(M); 13010447Snilay@cs.wisc.edu default: decode OPSIZE { 13110447Snilay@cs.wisc.edu // 16 bit operand sizes are special, but only 13210447Snilay@cs.wisc.edu // in legacy and compatability modes. 13310447Snilay@cs.wisc.edu 0x2: Inst::LGDT_16(M); 13410447Snilay@cs.wisc.edu default: Inst::LGDT(M); 13510447Snilay@cs.wisc.edu } 13610447Snilay@cs.wisc.edu } 13710447Snilay@cs.wisc.edu } 13810447Snilay@cs.wisc.edu 0x3: decode MODRM_MOD { 13910447Snilay@cs.wisc.edu 0x3: decode MODRM_RM { 14010447Snilay@cs.wisc.edu 0x0: vmrun(); 14110447Snilay@cs.wisc.edu 0x1: vmmcall(); 14210447Snilay@cs.wisc.edu 0x2: vmload(); 14310447Snilay@cs.wisc.edu 0x3: vmsave(); 14410447Snilay@cs.wisc.edu 0x4: stgi(); 14510447Snilay@cs.wisc.edu 0x5: clgi(); 14610447Snilay@cs.wisc.edu 0x6: skinit(); 14710447Snilay@cs.wisc.edu 0x7: invlpga(); 14810447Snilay@cs.wisc.edu } 14910447Snilay@cs.wisc.edu default: decode MODE_SUBMODE { 15010447Snilay@cs.wisc.edu 0x0: Inst::LIDT(M); 15110447Snilay@cs.wisc.edu default: decode OPSIZE { 15210447Snilay@cs.wisc.edu // 16 bit operand sizes are special, but only 15310447Snilay@cs.wisc.edu // in legacy and compatability modes. 15410447Snilay@cs.wisc.edu 0x2: Inst::LIDT_16(M); 15510447Snilay@cs.wisc.edu default: Inst::LIDT(M); 15610447Snilay@cs.wisc.edu } 15710447Snilay@cs.wisc.edu } 15810447Snilay@cs.wisc.edu } 15910447Snilay@cs.wisc.edu 0x4: decode MODRM_MOD { 16010447Snilay@cs.wisc.edu 0x3: Inst::SMSW(Rv); 16110447Snilay@cs.wisc.edu default: Inst::SMSW(Mw); 16210447Snilay@cs.wisc.edu } 16310447Snilay@cs.wisc.edu 0x6: Inst::LMSW(Ew); 16410447Snilay@cs.wisc.edu 0x7: decode MODRM_MOD { 16510447Snilay@cs.wisc.edu 0x3: decode MODRM_RM { 16610447Snilay@cs.wisc.edu 0x0: Inst::SWAPGS(); 16710447Snilay@cs.wisc.edu 0x1: rdtscp(); 16810447Snilay@cs.wisc.edu default: Inst::UD2(); 16910447Snilay@cs.wisc.edu } 17010447Snilay@cs.wisc.edu default: Inst::INVLPG(M); 17110447Snilay@cs.wisc.edu } 17210447Snilay@cs.wisc.edu } 17310447Snilay@cs.wisc.edu 0x02: lar_Gv_Ew(); 17410447Snilay@cs.wisc.edu 0x03: lsl_Gv_Ew(); 17510447Snilay@cs.wisc.edu // sandpile.org doesn't seem to know what this is...? We'll 17610447Snilay@cs.wisc.edu // use it for pseudo instructions. We've got 16 bits of space 17710447Snilay@cs.wisc.edu // to play with so there can be quite a few pseudo 17810447Snilay@cs.wisc.edu // instructions. 17910447Snilay@cs.wisc.edu //0x04: loadall_or_reset_or_hang(); 18010447Snilay@cs.wisc.edu 0x4: decode IMMEDIATE { 18110447Snilay@cs.wisc.edu format BasicOperate { 18210447Snilay@cs.wisc.edu#if FULL_SYSTEM 18310447Snilay@cs.wisc.edu 0x00: m5arm({{ 18410447Snilay@cs.wisc.edu PseudoInst::arm(xc->tcBase()); 18510447Snilay@cs.wisc.edu }}, IsNonSpeculative); 18610447Snilay@cs.wisc.edu 0x01: m5quiesce({{ 18710447Snilay@cs.wisc.edu PseudoInst::quiesce(xc->tcBase()); 18810447Snilay@cs.wisc.edu }}, IsNonSpeculative); 18910447Snilay@cs.wisc.edu 0x02: m5quiesceNs({{ 19010447Snilay@cs.wisc.edu PseudoInst::quiesceNs(xc->tcBase(), Rdi); 19110447Snilay@cs.wisc.edu }}, IsNonSpeculative); 19210447Snilay@cs.wisc.edu 0x03: m5quiesceCycle({{ 19310447Snilay@cs.wisc.edu PseudoInst::quiesceCycles(xc->tcBase(), Rdi); 19410447Snilay@cs.wisc.edu }}, IsNonSpeculative); 19510447Snilay@cs.wisc.edu 0x04: m5quiesceTime({{ 19610447Snilay@cs.wisc.edu Rax = PseudoInst::quiesceTime(xc->tcBase()); 19710447Snilay@cs.wisc.edu }}, IsNonSpeculative); 19810447Snilay@cs.wisc.edu#endif 19910447Snilay@cs.wisc.edu 0x07: m5rpns({{ 20010447Snilay@cs.wisc.edu Rax = PseudoInst::rpns(xc->tcBase()); 20110447Snilay@cs.wisc.edu }}, IsNonSpeculative); 20210447Snilay@cs.wisc.edu 0x21: m5exit({{ 20310447Snilay@cs.wisc.edu PseudoInst::m5exit(xc->tcBase(), Rdi); 20410447Snilay@cs.wisc.edu }}, IsNonSpeculative); 20510447Snilay@cs.wisc.edu#if FULL_SYSTEM 20610447Snilay@cs.wisc.edu 0x30: m5initparam({{ 20710447Snilay@cs.wisc.edu Rax = xc->tcBase()->getCpuPtr()-> 20810447Snilay@cs.wisc.edu system->init_param; 20910447Snilay@cs.wisc.edu }}, IsNonSpeculative); 21010447Snilay@cs.wisc.edu 0x31: m5loadsymbol({{ 21110447Snilay@cs.wisc.edu PseudoInst::loadsymbol(xc->tcBase()); 21210447Snilay@cs.wisc.edu }}, IsNonSpeculative); 21310447Snilay@cs.wisc.edu#endif 21410447Snilay@cs.wisc.edu 0x40: m5resetstats({{ 21510447Snilay@cs.wisc.edu PseudoInst::resetstats(xc->tcBase(), Rdi, Rsi); 21610447Snilay@cs.wisc.edu }}, IsNonSpeculative); 21710447Snilay@cs.wisc.edu 0x41: m5dumpstats({{ 21810447Snilay@cs.wisc.edu PseudoInst::dumpstats(xc->tcBase(), Rdi, Rsi); 21910447Snilay@cs.wisc.edu }}, IsNonSpeculative); 22010447Snilay@cs.wisc.edu 0x42: m5dumpresetstats({{ 22110447Snilay@cs.wisc.edu PseudoInst::dumpresetstats(xc->tcBase(), Rdi, Rsi); 22210447Snilay@cs.wisc.edu }}, IsNonSpeculative); 22310447Snilay@cs.wisc.edu 0x43: m5checkpoint({{ 22410447Snilay@cs.wisc.edu PseudoInst::m5checkpoint(xc->tcBase(), Rdi, Rsi); 22510447Snilay@cs.wisc.edu }}, IsNonSpeculative); 22610447Snilay@cs.wisc.edu#if FULL_SYSTEM 22710447Snilay@cs.wisc.edu 0x50: m5readfile({{ 22810447Snilay@cs.wisc.edu Rax = PseudoInst::readfile( 22910447Snilay@cs.wisc.edu xc->tcBase(), Rdi, Rsi, Rdx); 23010447Snilay@cs.wisc.edu }}, IsNonSpeculative); 23110447Snilay@cs.wisc.edu#endif 23210447Snilay@cs.wisc.edu 0x51: m5debugbreak({{ 23310447Snilay@cs.wisc.edu PseudoInst::debugbreak(xc->tcBase()); 23410447Snilay@cs.wisc.edu }}, IsNonSpeculative); 23510447Snilay@cs.wisc.edu 0x52: m5switchcpu({{ 23610447Snilay@cs.wisc.edu PseudoInst::switchcpu(xc->tcBase()); 23710447Snilay@cs.wisc.edu }}, IsNonSpeculative); 23810447Snilay@cs.wisc.edu#if FULL_SYSTEM 23910447Snilay@cs.wisc.edu 0x53: m5addsymbol({{ 24010447Snilay@cs.wisc.edu PseudoInst::addsymbol(xc->tcBase(), Rdi, Rsi); 24110447Snilay@cs.wisc.edu }}, IsNonSpeculative); 24210447Snilay@cs.wisc.edu#endif 24310447Snilay@cs.wisc.edu 0x54: m5panic({{ 24410447Snilay@cs.wisc.edu panic("M5 panic instruction called at pc=%#x.\n", 24510447Snilay@cs.wisc.edu xc->readPC()); 24610447Snilay@cs.wisc.edu }}, IsNonSpeculative); 24710447Snilay@cs.wisc.edu 0x55: m5reserved1({{ 24810447Snilay@cs.wisc.edu warn("M5 reserved opcode 1 ignored.\n"); 24910447Snilay@cs.wisc.edu }}, IsNonSpeculative); 25010447Snilay@cs.wisc.edu 0x56: m5reserved2({{ 25110447Snilay@cs.wisc.edu warn("M5 reserved opcode 2 ignored.\n"); 25210447Snilay@cs.wisc.edu }}, IsNonSpeculative); 25310447Snilay@cs.wisc.edu 0x57: m5reserved3({{ 25410447Snilay@cs.wisc.edu warn("M5 reserved opcode 3 ignored.\n"); 25510447Snilay@cs.wisc.edu }}, IsNonSpeculative); 25610447Snilay@cs.wisc.edu 0x58: m5reserved4({{ 25710447Snilay@cs.wisc.edu warn("M5 reserved opcode 4 ignored.\n"); 25810447Snilay@cs.wisc.edu }}, IsNonSpeculative); 25910447Snilay@cs.wisc.edu 0x59: m5reserved5({{ 26010447Snilay@cs.wisc.edu warn("M5 reserved opcode 5 ignored.\n"); 26110447Snilay@cs.wisc.edu }}, IsNonSpeculative); 26210447Snilay@cs.wisc.edu default: Inst::UD2(); 26310447Snilay@cs.wisc.edu } 26410447Snilay@cs.wisc.edu } 26510447Snilay@cs.wisc.edu#if FULL_SYSTEM 26610447Snilay@cs.wisc.edu 0x05: decode MODE_MODE { 26710447Snilay@cs.wisc.edu 0x0: decode MODE_SUBMODE { 26810447Snilay@cs.wisc.edu 0x0: Inst::SYSCALL_64(); 26910447Snilay@cs.wisc.edu 0x1: Inst::SYSCALL_COMPAT(); 27010447Snilay@cs.wisc.edu } 27110447Snilay@cs.wisc.edu 0x1: Inst::SYSCALL_LEGACY(); 27210447Snilay@cs.wisc.edu } 27310447Snilay@cs.wisc.edu#else 27410447Snilay@cs.wisc.edu 0x05: SyscallInst::syscall('xc->syscall(Rax)', IsSyscall); 27510447Snilay@cs.wisc.edu#endif 27610447Snilay@cs.wisc.edu 0x06: Inst::CLTS(); 27710447Snilay@cs.wisc.edu 0x07: decode MODE_SUBMODE { 27810447Snilay@cs.wisc.edu 0x0: decode OPSIZE { 27910447Snilay@cs.wisc.edu // Return to 64 bit mode. 28010447Snilay@cs.wisc.edu 0x8: Inst::SYSRET_TO_64(); 28110447Snilay@cs.wisc.edu // Return to compatibility mode. 28210447Snilay@cs.wisc.edu default: Inst::SYSRET_TO_COMPAT(); 28310447Snilay@cs.wisc.edu } 28410447Snilay@cs.wisc.edu default: Inst::SYSRET_NON_64(); 28510447Snilay@cs.wisc.edu } 28610447Snilay@cs.wisc.edu } 28710447Snilay@cs.wisc.edu 0x01: decode OPCODE_OP_BOTTOM3 { 28810447Snilay@cs.wisc.edu 0x0: invd(); 28910447Snilay@cs.wisc.edu 0x1: wbinvd(); 29010447Snilay@cs.wisc.edu 0x2: Inst::UD2(); 29110447Snilay@cs.wisc.edu 0x3: Inst::UD2(); 29210447Snilay@cs.wisc.edu 0x4: Inst::UD2(); 29310447Snilay@cs.wisc.edu 0x5: Inst::PREFETCH(Mb); 29410447Snilay@cs.wisc.edu 0x6: FailUnimpl::femms(); 29510447Snilay@cs.wisc.edu 0x7: FailUnimpl::threednow(); 29610447Snilay@cs.wisc.edu } 29710447Snilay@cs.wisc.edu format Inst{ 29810447Snilay@cs.wisc.edu 0x02: decode LEGACY_DECODEVAL { 29910447Snilay@cs.wisc.edu // no prefix 30010447Snilay@cs.wisc.edu 0x0: decode OPCODE_OP_BOTTOM3 { 30110447Snilay@cs.wisc.edu 0x0: MOVUPS(Vo,Wo); 30210447Snilay@cs.wisc.edu 0x1: MOVUPS(Wo,Vo); 30310447Snilay@cs.wisc.edu 0x2: decode MODRM_MOD { 30410447Snilay@cs.wisc.edu 0x3: MOVHLPS(Vps,VRq); 30510447Snilay@cs.wisc.edu default: MOVLPS(Vps,Mq); 30610447Snilay@cs.wisc.edu } 30710447Snilay@cs.wisc.edu 0x3: MOVLPS(Mq,Vps); 30810447Snilay@cs.wisc.edu 0x4: UNPCKLPS(Vps,Wq); 30910447Snilay@cs.wisc.edu 0x5: UNPCKHPS(Vps,Wq); 31010447Snilay@cs.wisc.edu 0x6: decode MODRM_MOD { 31110447Snilay@cs.wisc.edu 0x3: MOVLHPS(Vps,VRq); 31210447Snilay@cs.wisc.edu default: MOVHPS(Vps,Mq); 31310447Snilay@cs.wisc.edu } 31410447Snilay@cs.wisc.edu 0x7: MOVHPS(Mq,Vq); 31510447Snilay@cs.wisc.edu } 31610447Snilay@cs.wisc.edu // repe (0xF3) 31710447Snilay@cs.wisc.edu 0x4: decode OPCODE_OP_BOTTOM3 { 31810447Snilay@cs.wisc.edu 0x0: MOVSS(Vd,Wd); 31910447Snilay@cs.wisc.edu 0x1: MOVSS(Wd,Vd); 32010447Snilay@cs.wisc.edu 0x2: WarnUnimpl::movsldup_Vo_Wo(); 32110447Snilay@cs.wisc.edu 0x6: WarnUnimpl::movshdup_Vo_Wo(); 32210447Snilay@cs.wisc.edu default: UD2(); 32310447Snilay@cs.wisc.edu } 32410447Snilay@cs.wisc.edu // operand size (0x66) 32510447Snilay@cs.wisc.edu 0x1: decode OPCODE_OP_BOTTOM3 { 32610447Snilay@cs.wisc.edu 0x0: MOVUPD(Vo,Wo); 32710447Snilay@cs.wisc.edu 0x1: MOVUPD(Wo,Vo); 32810447Snilay@cs.wisc.edu 0x2: MOVLPD(Vq,Mq); 32910447Snilay@cs.wisc.edu 0x3: MOVLPD(Mq,Vq); 33010447Snilay@cs.wisc.edu 0x4: UNPCKLPD(Vo,Wq); 33110447Snilay@cs.wisc.edu 0x5: UNPCKHPD(Vo,Wo); 33210447Snilay@cs.wisc.edu 0x6: MOVHPD(Vq,Mq); 33310447Snilay@cs.wisc.edu 0x7: MOVHPD(Mq,Vq); 33410447Snilay@cs.wisc.edu } 33510447Snilay@cs.wisc.edu // repne (0xF2) 33610447Snilay@cs.wisc.edu 0x8: decode OPCODE_OP_BOTTOM3 { 33710447Snilay@cs.wisc.edu 0x0: MOVSD(Vq,Wq); 33810447Snilay@cs.wisc.edu 0x1: MOVSD(Wq,Vq); 33910447Snilay@cs.wisc.edu 0x2: MOVDDUP(Vo,Wq); 34010447Snilay@cs.wisc.edu default: UD2(); 34110447Snilay@cs.wisc.edu } 34210447Snilay@cs.wisc.edu default: UD2(); 34310447Snilay@cs.wisc.edu } 34410447Snilay@cs.wisc.edu 0x03: decode OPCODE_OP_BOTTOM3 { 34510447Snilay@cs.wisc.edu //group16(); 34610447Snilay@cs.wisc.edu 0x0: decode MODRM_REG { 34710447Snilay@cs.wisc.edu 0x0: WarnUnimpl::prefetch_nta(); 34810447Snilay@cs.wisc.edu 0x1: PREFETCH_T0(Mb); 34910447Snilay@cs.wisc.edu 0x2: WarnUnimpl::prefetch_t1(); 35010447Snilay@cs.wisc.edu 0x3: WarnUnimpl::prefetch_t2(); 35110447Snilay@cs.wisc.edu default: HINT_NOP(); 35210447Snilay@cs.wisc.edu } 35310447Snilay@cs.wisc.edu 0x1: HINT_NOP(); 35410447Snilay@cs.wisc.edu 0x2: HINT_NOP(); 35510447Snilay@cs.wisc.edu 0x3: HINT_NOP(); 35610447Snilay@cs.wisc.edu 0x4: HINT_NOP(); 35710447Snilay@cs.wisc.edu 0x5: HINT_NOP(); 35810447Snilay@cs.wisc.edu 0x6: HINT_NOP(); 35910447Snilay@cs.wisc.edu 0x7: HINT_NOP(); 36010447Snilay@cs.wisc.edu } 36110447Snilay@cs.wisc.edu 0x04: decode LEGACY_DECODEVAL { 36210447Snilay@cs.wisc.edu // no prefix 36310447Snilay@cs.wisc.edu 0x0: decode OPCODE_OP_BOTTOM3 { 36410447Snilay@cs.wisc.edu 0x0: MOV(Rd,Cd); 36510447Snilay@cs.wisc.edu 0x1: MOV(Rd,Dd); 36610447Snilay@cs.wisc.edu 0x2: MOV(Cd,Rd); 36710447Snilay@cs.wisc.edu 0x3: MOV(Dd,Rd); 36810447Snilay@cs.wisc.edu default: UD2(); 36910447Snilay@cs.wisc.edu } 37010447Snilay@cs.wisc.edu default: UD2(); 37110447Snilay@cs.wisc.edu } 37210447Snilay@cs.wisc.edu 0x05: decode LEGACY_DECODEVAL { 37310447Snilay@cs.wisc.edu // no prefix 37410447Snilay@cs.wisc.edu 0x0: decode OPCODE_OP_BOTTOM3 { 37510447Snilay@cs.wisc.edu //These moves should really use size o (octword), but 37610447Snilay@cs.wisc.edu //because they are split in two, they use q (quadword). 37710447Snilay@cs.wisc.edu 0x0: MOVAPS(Vq,Wq); 37810447Snilay@cs.wisc.edu 0x1: MOVAPS(Wq,Vq); 37910447Snilay@cs.wisc.edu 0x2: CVTPI2PS(Vq,Qq); 38010447Snilay@cs.wisc.edu 0x3: WarnUnimpl::movntps_Mo_Vo(); 38110447Snilay@cs.wisc.edu 0x4: CVTTPS2PI(Pq,Wq); 38210447Snilay@cs.wisc.edu 0x5: CVTPS2PI(Pq,Wq); 38310447Snilay@cs.wisc.edu 0x6: UCOMISS(Vd,Wd); 38410447Snilay@cs.wisc.edu 0x7: COMISS(Vd,Wd); 38510447Snilay@cs.wisc.edu } 38610447Snilay@cs.wisc.edu // repe (0xF3) 38710447Snilay@cs.wisc.edu 0x4: decode OPCODE_OP_BOTTOM3 { 38810447Snilay@cs.wisc.edu 0x2: CVTSI2SS(Vd,Ed); 38910447Snilay@cs.wisc.edu 0x4: CVTTSS2SI(Gd,Wd); 39010447Snilay@cs.wisc.edu 0x5: CVTSS2SI(Gd,Wd); 39110447Snilay@cs.wisc.edu default: UD2(); 39210447Snilay@cs.wisc.edu } 39310447Snilay@cs.wisc.edu // operand size (0x66) 39410447Snilay@cs.wisc.edu 0x1: decode OPCODE_OP_BOTTOM3 { 39510447Snilay@cs.wisc.edu 0x0: MOVAPD(Vo,Wo); 39610447Snilay@cs.wisc.edu 0x1: MOVAPD(Wo,Vo); 39710447Snilay@cs.wisc.edu 0x2: CVTPI2PD(Vo,Qq); 39810447Snilay@cs.wisc.edu 0x3: WarnUnimpl::movntpd_Mo_Vo(); 39910447Snilay@cs.wisc.edu 0x4: CVTTPD2PI(Pq,Wo); 40010447Snilay@cs.wisc.edu 0x5: CVTPD2PI(Pq,Wo); 40110447Snilay@cs.wisc.edu 0x6: UCOMISD(Vq,Wq); 40210447Snilay@cs.wisc.edu 0x7: COMISD(Vq,Wq); 40310447Snilay@cs.wisc.edu } 40410447Snilay@cs.wisc.edu // repne (0xF2) 40510447Snilay@cs.wisc.edu 0x8: decode OPCODE_OP_BOTTOM3 { 40610447Snilay@cs.wisc.edu // The size of the V operand should be q, not dp 40710447Snilay@cs.wisc.edu 0x2: CVTSI2SD(Vdp,Edp); 40810447Snilay@cs.wisc.edu // The size of the W operand should be q, not dp 40910447Snilay@cs.wisc.edu 0x4: CVTTSD2SI(Gdp,Wdp); 41010447Snilay@cs.wisc.edu 0x5: CVTSD2SI(Gd,Wq); 41110447Snilay@cs.wisc.edu default: UD2(); 41210447Snilay@cs.wisc.edu } 41310447Snilay@cs.wisc.edu default: UD2(); 41410447Snilay@cs.wisc.edu } 41510447Snilay@cs.wisc.edu } 41610447Snilay@cs.wisc.edu 0x06: decode OPCODE_OP_BOTTOM3 { 41710447Snilay@cs.wisc.edu 0x0: Inst::WRMSR(); 41810447Snilay@cs.wisc.edu 0x1: Inst::RDTSC(); 41910447Snilay@cs.wisc.edu 0x2: Inst::RDMSR(); 42010447Snilay@cs.wisc.edu 0x3: rdpmc(); 421#if FULL_SYSTEM 422 0x4: sysenter(); 423#else 424 0x4: SyscallInst::sysenter('xc->syscall(Rax)', IsSyscall); 425#endif 426 0x5: sysexit(); 427 0x6: Inst::UD2(); 428 0x7: getsec(); 429 } 430 0x07: decode OPCODE_OP_BOTTOM3 { 431 0x0: M5InternalError::error( 432 {{"Three byte opcode shouldn't be handled by " 433 "two_byte_opcodes.isa!"}}); 434 0x2: M5InternalError::error( 435 {{"Three byte opcode shouldn't be handled by " 436 "two_byte_opcodes.isa!"}}); 437 default: UD2(); 438 } 439 format Inst { 440 0x08: decode OPCODE_OP_BOTTOM3 { 441 0x0: CMOVO(Gv,Ev); 442 0x1: CMOVNO(Gv,Ev); 443 0x2: CMOVB(Gv,Ev); 444 0x3: CMOVNB(Gv,Ev); 445 0x4: CMOVZ(Gv,Ev); 446 0x5: CMOVNZ(Gv,Ev); 447 0x6: CMOVBE(Gv,Ev); 448 0x7: CMOVNBE(Gv,Ev); 449 } 450 0x09: decode OPCODE_OP_BOTTOM3 { 451 0x0: CMOVS(Gv,Ev); 452 0x1: CMOVNS(Gv,Ev); 453 0x2: CMOVP(Gv,Ev); 454 0x3: CMOVNP(Gv,Ev); 455 0x4: CMOVL(Gv,Ev); 456 0x5: CMOVNL(Gv,Ev); 457 0x6: CMOVLE(Gv,Ev); 458 0x7: CMOVNLE(Gv,Ev); 459 } 460 0x0A: decode LEGACY_DECODEVAL { 461 // no prefix 462 0x0: decode OPCODE_OP_BOTTOM3 { 463 0x0: MOVMSKPS(Gd,VRo); 464 0x1: SQRTPS(Vo,Wo); 465 0x2: WarnUnimpl::rqsrtps_Vo_Wo(); 466 0x3: WarnUnimpl::rcpps_Vo_Wo(); 467 0x4: ANDPS(Vo,Wo); 468 0x5: ANDNPS(Vo,Wo); 469 0x6: ORPS(Vo,Wo); 470 0x7: XORPS(Vo,Wo); 471 } 472 // repe (0xF3) 473 0x4: decode OPCODE_OP_BOTTOM3 { 474 0x1: SQRTSS(Vd,Wd); 475 0x2: WarnUnimpl::rsqrtss_Vd_Wd(); 476 0x3: WarnUnimpl::rcpss_Vd_Wd(); 477 default: UD2(); 478 } 479 // operand size (0x66) 480 0x1: decode OPCODE_OP_BOTTOM3 { 481 0x0: MOVMSKPD(Gd,VRo); 482 0x1: SQRTPD(Vo,Wo); 483 0x4: ANDPD(Vo,Wo); 484 0x5: ANDNPD(Vo,Wo); 485 0x6: ORPD(Vo,Wo); 486 0x7: XORPD(Vo,Wo); 487 default: UD2(); 488 } 489 // repne (0xF2) 490 0x8: decode OPCODE_OP_BOTTOM3 { 491 0x1: SQRTSD(Vq,Wq); 492 default: UD2(); 493 } 494 default: UD2(); 495 } 496 0x0B: decode LEGACY_DECODEVAL { 497 // no prefix 498 0x0: decode OPCODE_OP_BOTTOM3 { 499 0x0: ADDPS(Vo,Wo); 500 0x1: MULPS(Vo,Wo); 501 0x2: CVTPS2PD(Vo,Wq); 502 0x3: CVTDQ2PS(Vo,Wo); 503 0x4: SUBPS(Vo,Wo); 504 0x5: MINPS(Vo,Wo); 505 0x6: DIVPS(Vo,Wo); 506 0x7: MAXPS(Vo,Wo); 507 } 508 // repe (0xF3) 509 0x4: decode OPCODE_OP_BOTTOM3 { 510 0x0: ADDSS(Vd,Wd); 511 0x1: MULSS(Vd,Wd); 512 0x2: CVTSS2SD(Vq,Wd); 513 0x3: CVTTPS2DQ(Vo,Wo); 514 0x4: SUBSS(Vd,Wd); 515 0x5: MINSS(Vd,Wd); 516 0x6: DIVSS(Vd,Wd); 517 0x7: MAXSS(Vd,Wd); 518 } 519 // operand size (0x66) 520 0x1: decode OPCODE_OP_BOTTOM3 { 521 0x0: ADDPD(Vo,Wo); 522 0x1: MULPD(Vo,Wo); 523 0x2: CVTPD2PS(Vo,Wo); 524 0x3: CVTPS2DQ(Vo,Wo); 525 0x4: SUBPD(Vo,Wo); 526 0x5: MINPD(Vo,Wo); 527 0x6: DIVPD(Vo,Wo); 528 0x7: MAXPD(Vo,Wo); 529 } 530 // repne (0xF2) 531 0x8: decode OPCODE_OP_BOTTOM3 { 532 0x0: ADDSD(Vq,Wq); 533 0x1: MULSD(Vq,Wq); 534 0x2: CVTSD2SS(Vd,Wq); 535 0x4: SUBSD(Vq,Wq); 536 0x5: MINSD(Vq,Wq); 537 0x6: DIVSD(Vq,Wq); 538 0x7: MAXSD(Vq,Wq); 539 default: UD2(); 540 } 541 default: UD2(); 542 } 543 0x0C: decode LEGACY_DECODEVAL { 544 // no prefix 545 0x0: decode OPCODE_OP_BOTTOM3 { 546 0x0: PUNPCKLBW(Pq,Qd); 547 0x1: PUNPCKLWD(Pq,Qd); 548 0x2: PUNPCKLDQ(Pq,Qd); 549 0x3: PACKSSWB(Pq,Qq); 550 0x4: PCMPGTB(Pq,Qq); 551 0x5: PCMPGTW(Pq,Qq); 552 0x6: PCMPGTD(Pq,Qq); 553 0x7: PACKUSWB(Pq,Qq); 554 } 555 // operand size (0x66) 556 0x1: decode OPCODE_OP_BOTTOM3 { 557 0x0: PUNPCKLBW(Vo,Wq); 558 0x1: PUNPCKLWD(Vo,Wq); 559 0x2: PUNPCKLDQ(Vo,Wq); 560 0x3: PACKSSWB(Vo,Wo); 561 0x4: PCMPGTB(Vo,Wo); 562 0x5: PCMPGTW(Vo,Wo); 563 0x6: PCMPGTD(Vo,Wo); 564 0x7: PACKUSWB(Vo,Wo); 565 } 566 default: UD2(); 567 } 568 0x0D: decode LEGACY_DECODEVAL { 569 // no prefix 570 0x0: decode OPCODE_OP_BOTTOM3 { 571 0x0: PUNPCKHBW(Pq,Qq); 572 0x1: PUNPCKHWD(Pq,Qq); 573 0x2: PUNPCKHDQ(Pq,Qq); 574 0x3: PACKSSDW(Pq,Qq); 575 0x6: MOVD(Pq,Edp); 576 0x7: MOVQ(Pq,Qq); 577 default: UD2(); 578 } 579 // repe (0xF3) 580 0x4: decode OPCODE_OP_BOTTOM3 { 581 0x7: WarnUnimpl::movdqu_Vo_Wo(); 582 default: UD2(); 583 } 584 // operand size (0x66) 585 0x1: decode OPCODE_OP_BOTTOM3 { 586 0x0: PUNPCKHBW(Vo,Wo); 587 0x1: PUNPCKHWD(Vo,Wo); 588 0x2: PUNPCKHDQ(Vo,Wo); 589 0x3: PACKSSDW(Vo,Wo); 590 0x4: PUNPCKLQDQ(Vo,Wq); 591 0x5: PUNPCKHQDQ(Vo,Wq); 592 0x6: WarnUnimpl::movd_Vo_Ed(); 593 0x7: WarnUnimpl::movdqa_Vo_Wo(); 594 } 595 default: UD2(); 596 } 597 0x0E: decode LEGACY_DECODEVAL { 598 // no prefix 599 0x0: decode OPCODE_OP_BOTTOM3 { 600 0x0: PSHUFW(Pq,Qq,Ib); 601 //0x1: group12_pshimw(); 602 0x1: decode MODRM_REG { 603 0x2: PSRLW(PRq,Ib); 604 0x4: PSRAW(PRq,Ib); 605 0x6: PSLLW(PRq,Ib); 606 default: UD2(); 607 } 608 //0x2: group13_pshimd(); 609 0x2: decode MODRM_REG { 610 0x2: PSRLD(PRq,Ib); 611 0x4: PSRAD(PRq,Ib); 612 0x6: PSLLD(PRq,Ib); 613 default: UD2(); 614 } 615 //0x3: group14_pshimq(); 616 0x3: decode MODRM_REG { 617 0x2: PSRLQ(PRq,Ib); 618 0x6: PSLLQ(PRq,Ib); 619 default: Inst::UD2(); 620 } 621 0x4: Inst::PCMPEQB(Pq,Qq); 622 0x5: Inst::PCMPEQW(Pq,Qq); 623 0x6: Inst::PCMPEQD(Pq,Qq); 624 0x7: WarnUnimpl::emms(); 625 } 626 // repe (0xF3) 627 0x4: decode OPCODE_OP_BOTTOM3 { 628 0x0: PSHUFHW(Vo,Wo,Ib); 629 default: UD2(); 630 } 631 // operand size (0x66) 632 0x1: decode OPCODE_OP_BOTTOM3 { 633 0x0: PSHUFD(Vo,Wo,Ib); 634 //0x1: group12_pshimw(); 635 0x1: decode MODRM_REG { 636 0x2: PSRLW(VRo,Ib); 637 0x4: PSRAW(VRo,Ib); 638 0x6: PSLLW(VRo,Ib); 639 } 640 //0x2: group13_pshimd(); 641 0x2: decode MODRM_REG { 642 0x2: PSRLD(VRo,Ib); 643 0x4: PSRAD(VRo,Ib); 644 0x6: PSLLD(VRo,Ib); 645 default: UD2(); 646 } 647 //0x3: group14_pshimq(); 648 0x3: decode MODRM_REG { 649 0x2: PSRLQ(VRo,Ib); 650 0x3: WarnUnimpl::psrldq_VRo_Ib(); 651 0x6: PSLLQ(VRo,Ib); 652 0x7: WarnUnimpl::pslldq_VRo_Ib(); 653 default: UD2(); 654 } 655 0x4: PCMPEQB(Vo,Wo); 656 0x5: PCMPEQW(Vo,Wo); 657 0x6: PCMPEQD(Vo,Wo); 658 default: UD2(); 659 } 660 // repne (0xF2) 661 0x8: decode OPCODE_OP_BOTTOM3 { 662 0x0: PSHUFLW(Vo,Wo,Ib); 663 default: UD2(); 664 } 665 default: UD2(); 666 } 667 0x0F: decode LEGACY_DECODEVAL { 668 // no prefix 669 0x0: decode OPCODE_OP_BOTTOM3 { 670 0x0: WarnUnimpl::vmread_Edp_Gdp(); 671 0x1: WarnUnimpl::vmwrite_Gdp_Edp(); 672 0x6: MOVD(Edp,Pdp); 673 0x7: MOVQ(Qq,Pq); 674 default: UD2(); 675 } 676 // repe (0xF3) 677 0x4: decode OPCODE_OP_BOTTOM3 { 678 0x6: MOVQ(Vq,Wq); 679 0x7: WarnUnimpl::movdqu_Wo_Vo(); 680 default: UD2(); 681 } 682 // operand size (0x66) 683 0x1: decode OPCODE_OP_BOTTOM3 { 684 0x4: WarnUnimpl::haddpd_Vo_Wo(); 685 0x5: WarnUnimpl::hsubpd_Vo_Wo(); 686 0x6: WarnUnimpl::movd_Ed_Vd(); 687 0x7: WarnUnimpl::movdqa_Wo_Vo(); 688 default: UD2(); 689 } 690 // repne (0xF2) 691 0x8: decode OPCODE_OP_BOTTOM3 { 692 0x4: WarnUnimpl::haddps_Vo_Wo(); 693 0x5: WarnUnimpl::hsubps_Vo_Wo(); 694 default: UD2(); 695 } 696 default: UD2(); 697 } 698 0x10: decode OPCODE_OP_BOTTOM3 { 699 0x0: JO(Jz); 700 0x1: JNO(Jz); 701 0x2: JB(Jz); 702 0x3: JNB(Jz); 703 0x4: JZ(Jz); 704 0x5: JNZ(Jz); 705 0x6: JBE(Jz); 706 0x7: JNBE(Jz); 707 } 708 0x11: decode OPCODE_OP_BOTTOM3 { 709 0x0: JS(Jz); 710 0x1: JNS(Jz); 711 0x2: JP(Jz); 712 0x3: JNP(Jz); 713 0x4: JL(Jz); 714 0x5: JNL(Jz); 715 0x6: JLE(Jz); 716 0x7: JNLE(Jz); 717 } 718 0x12: decode OPCODE_OP_BOTTOM3 { 719 0x0: SETO(Eb); 720 0x1: SETNO(Eb); 721 0x2: SETB(Eb); 722 0x3: SETNB(Eb); 723 0x4: SETZ(Eb); 724 0x5: SETNZ(Eb); 725 0x6: SETBE(Eb); 726 0x7: SETNBE(Eb); 727 } 728 0x13: decode OPCODE_OP_BOTTOM3 { 729 0x0: SETS(Eb); 730 0x1: SETNS(Eb); 731 0x2: SETP(Eb); 732 0x3: SETNP(Eb); 733 0x4: SETL(Eb); 734 0x5: SETNL(Eb); 735 0x6: SETLE(Eb); 736 0x7: SETNLE(Eb); 737 } 738 } 739 0x14: decode OPCODE_OP_BOTTOM3 { 740 0x0: push_fs(); 741 0x1: pop_fs(); 742 0x2: CPUIDInst::CPUID({{ 743 CpuidResult result; 744 success = doCpuid(xc->tcBase(), bits(Rax, 31, 0), result); 745 Rax = result.rax; 746 Rbx = result.rbx; 747 Rcx = result.rcx; 748 Rdx = result.rdx; 749 }}); 750 0x3: Inst::BT(Ev,Gv); 751 0x4: Inst::SHLD(Ev,Gv,Ib); 752 0x5: Inst::SHLD(Ev,Gv); 753 default: Inst::UD2(); 754 } 755 0x15: decode OPCODE_OP_BOTTOM3 { 756 0x0: push_gs(); 757 0x1: pop_gs(); 758 0x2: rsm_smm(); 759 0x3: Inst::BTS(Ev,Gv); 760 0x4: Inst::SHRD(Ev,Gv,Ib); 761 0x5: Inst::SHRD(Ev,Gv); 762 //0x6: group15(); 763 0x6: decode MODRM_MOD { 764 0x3: decode MODRM_REG { 765 0x5: BasicOperate::LFENCE( 766 {{/*Nothing*/}}, IsReadBarrier); 767 0x6: BasicOperate::MFENCE( 768 {{/*Nothing*/}}, IsMemBarrier); 769 0x7: BasicOperate::SFENCE( 770 {{/*Nothing*/}}, IsWriteBarrier); 771 default: Inst::UD2(); 772 } 773 default: decode MODRM_REG { 774 0x0: fxsave(); 775 0x1: fxrstor(); 776 0x2: Inst::LDMXCSR(Md); 777 0x3: Inst::STMXCSR(Md); 778 0x4: xsave(); 779 0x5: xrstor(); 780 0x6: Inst::UD2(); 781 0x7: clflush(); 782 } 783 } 784 0x7: Inst::IMUL(Gv,Ev); 785 } 786 format Inst { 787 0x16: decode OPCODE_OP_BOTTOM3 { 788 0x0: CMPXCHG(Eb,Gb); 789 0x1: CMPXCHG(Ev,Gv); 790 0x2: WarnUnimpl::lss_Gz_Mp(); 791 0x3: BTR(Ev,Gv); 792 0x4: WarnUnimpl::lfs_Gz_Mp(); 793 0x5: WarnUnimpl::lgs_Gz_Mp(); 794 //The size of the second operand in these instructions 795 //should really be "b" or "w", but it's set to v in order 796 //to have a consistent register size. This shouldn't 797 //affect behavior. 798 0x6: MOVZX_B(Gv,Ev); 799 0x7: MOVZX_W(Gv,Ev); 800 } 801 0x17: decode OPCODE_OP_BOTTOM3 { 802 0x0: decode LEGACY_REP { 803 0x0: WarnUnimpl::jmpe_Jz(); 804 0x1: WarnUnimpl::popcnt_Gv_Ev(); 805 } 806 //0x1: group10_UD2(); 807 0x1: UD2(); 808 //0x2: group8_Ev_Ib(); 809 0x2: decode MODRM_REG { 810 0x4: BT(Ev,Ib); 811 0x5: BTS(Ev,Ib); 812 0x6: BTR(Ev,Ib); 813 0x7: BTC(Ev,Ib); 814 default: UD2(); 815 } 816 0x3: BTC(Ev,Gv); 817 0x4: BSF(Gv,Ev); 818 0x5: BSR(Gv,Ev); 819 //The size of the second operand in these instructions 820 //should really be "b" or "w", but it's set to v in order 821 //to have a consistent register size. This shouldn't 822 //affect behavior. 823 0x6: MOVSX_B(Gv,Ev); 824 0x7: MOVSX_W(Gv,Ev); 825 } 826 0x18: decode OPCODE_OP_BOTTOM3 { 827 0x0: XADD(Eb,Gb); 828 0x1: XADD(Ev,Gv); 829 //0x7: group9(); 830 0x7: decode MODRM_REG { 831 //Also CMPXCHG16B 832 0x1: CMPXCHG8B(Mdp); 833 0x6: decode LEGACY_OP { 834 0x1: WarnUnimpl::vmclear_Mq(); 835 default: decode LEGACY_REP { 836 0x1: WarnUnimpl::vmxon_Mq(); 837 0x0: WarnUnimpl::vmptrld_Mq(); 838 } 839 } 840 0x7: WarnUnimpl::vmptrst_Mq(); 841 default: UD2(); 842 } 843 default: decode LEGACY_DECODEVAL { 844 // no prefix 845 0x0: decode OPCODE_OP_BOTTOM3 { 846 0x2: CMPPS(Vo,Wo,Ib); 847 0x3: MOVNTI(Mdp,Gdp); 848 0x4: PINSRW(Pq,Ew,Ib); 849 0x5: PEXTRW(Gd,PRq,Ib); 850 0x6: SHUFPS(Vps,Wps,Ib); 851 } 852 // repe (0xF3) 853 0x4: decode OPCODE_OP_BOTTOM3 { 854 0x2: CMPSS(Vd,Wd,Ib); 855 default: UD2(); 856 } 857 // operand size (0x66) 858 0x1: decode OPCODE_OP_BOTTOM3 { 859 0x2: CMPPD(Vo,Wo,Ib); 860 0x4: PINSRW(Vdw,Ew,Ib); 861 0x5: PEXTRW(Gd,VRdq,Ib); 862 0x6: SHUFPD(Vpd,Wpd,Ib); 863 default: UD2(); 864 } 865 // repne (0xF2) 866 0x8: decode OPCODE_OP_BOTTOM3 { 867 0x2: CMPSD(Vq,Wq,Ib); 868 default: UD2(); 869 } 870 default: UD2(); 871 } 872 } 873 0x19: decode OPSIZE { 874 4: BSWAP_D(Bd); 875 8: BSWAP_Q(Bq); 876 default: UD2(); 877 } 878 0x1A: decode LEGACY_DECODEVAL { 879 // no prefix 880 0x0: decode OPCODE_OP_BOTTOM3 { 881 0x1: PSRLW(Pq,Qq); 882 0x2: PSRLD(Pq,Qq); 883 0x3: PSRLQ(Pq,Qq); 884 0x4: PADDQ(Pq,Qq); 885 0x5: PMULLW(Pq,Qq); 886 0x7: PMOVMSKB(Gd,PRq); 887 default: UD2(); 888 } 889 // repe (0xF3) 890 0x4: decode OPCODE_OP_BOTTOM3 { 891 0x6: MOVQ2DQ(Vo,PRq); 892 default: UD2(); 893 } 894 // operand size (0x66) 895 0x1: decode OPCODE_OP_BOTTOM3 { 896 0x0: WarnUnimpl::addsubpd_Vo_Wo(); 897 0x1: PSRLW(Vo,Wo); 898 0x2: PSRLD(Vo,Wo); 899 0x3: PSRLQ(Vo,Wo); 900 0x4: PADDQ(Vo,Wo); 901 0x5: PMULLW(Vo,Wo); 902 0x6: MOVQ(Wq,Vq); 903 0x7: PMOVMSKB(Gd,VRo); 904 } 905 // repne (0xF2) 906 0x8: decode OPCODE_OP_BOTTOM3 { 907 0x0: WarnUnimpl::addsubps_Vo_Wo(); 908 0x6: MOVDQ2Q(Pq,VRq); 909 default: UD2(); 910 } 911 default: UD2(); 912 } 913 0x1B: decode LEGACY_DECODEVAL { 914 // no prefix 915 0x0: decode OPCODE_OP_BOTTOM3 { 916 0x0: PSUBUSB(Pq,Qq); 917 0x1: PSUBUSW(Pq,Qq); 918 0x2: PMINUB(Pq,Qq); 919 0x3: PAND(Pq,Qq); 920 0x4: PADDUSB(Pq,Qq); 921 0x5: PADDUSW(Pq,Qq); 922 0x6: PMAXUB(Pq,Qq); 923 0x7: PANDN(Pq,Qq); 924 } 925 // operand size (0x66) 926 0x1: decode OPCODE_OP_BOTTOM3 { 927 0x0: PSUBUSB(Vo,Wo); 928 0x1: PSUBUSW(Vo,Wo); 929 0x2: PMINUB(Vo,Wo); 930 0x3: PAND(Vo,Wo); 931 0x4: PADDUSB(Vo,Wo); 932 0x5: PADDUSW(Vo,Wo); 933 0x6: PMAXUB(Vo,Wo); 934 0x7: PANDN(Vo,Wo); 935 } 936 default: UD2(); 937 } 938 0x1C: decode LEGACY_DECODEVAL { 939 // no prefix 940 0x0: decode OPCODE_OP_BOTTOM3 { 941 0x0: PAVGB(Pq,Qq); 942 0x1: PSRAW(Pq,Qq); 943 0x2: PSRAD(Pq,Qq); 944 0x3: PAVGW(Pq,Qq); 945 0x4: PMULHUW(Pq,Qq); 946 0x5: PMULHW(Pq,Qq); 947 0x7: WarnUnimpl::movntq_Mq_Pq(); 948 default: UD2(); 949 } 950 // repe (0xF3) 951 0x4: decode OPCODE_OP_BOTTOM3 { 952 0x6: CVTDQ2PD(Vo,Wq); 953 default: UD2(); 954 } 955 // operand size (0x66) 956 0x1: decode OPCODE_OP_BOTTOM3 { 957 0x0: PAVGB(Vo,Wo); 958 0x1: PSRAW(Vo,Wo); 959 0x2: PSRAD(Vo,Wo); 960 0x3: PAVGW(Vo,Wo); 961 0x4: PMULHUW(Vo,Wo); 962 0x5: PMULHW(Vo,Wo); 963 0x6: CVTTPD2DQ(Vo,Wo); 964 0x7: WarnUnimpl::movntdq_Mo_Vo(); 965 } 966 // repne (0xF2) 967 0x8: decode OPCODE_OP_BOTTOM3 { 968 0x6: CVTPD2DQ(Vo,Wo); 969 default: UD2(); 970 } 971 default: UD2(); 972 } 973 0x1D: decode LEGACY_DECODEVAL { 974 // no prefix 975 0x0: decode OPCODE_OP_BOTTOM3 { 976 0x0: PSUBSB(Pq,Qq); 977 0x1: PSUBSW(Pq,Qq); 978 0x2: PMINSW(Pq,Qq); 979 0x3: POR(Pq,Qq); 980 0x4: PADDSB(Pq,Qq); 981 0x5: PADDSW(Pq,Qq); 982 0x6: PMAXSW(Pq,Qq); 983 0x7: PXOR(Pq,Qq); 984 } 985 // operand size (0x66) 986 0x1: decode OPCODE_OP_BOTTOM3 { 987 0x0: PSUBSB(Vo,Wo); 988 0x1: PSUBSW(Vo,Wo); 989 0x2: PMINSW(Vo,Wo); 990 0x3: POR(Vo,Wo); 991 0x4: PADDSB(Vo,Wo); 992 0x5: PADDSW(Vo,Wo); 993 0x6: PMAXSW(Vo,Wo); 994 0x7: PXOR(Vo,Wo); 995 } 996 default: UD2(); 997 } 998 0x1E: decode LEGACY_DECODEVAL { 999 // no prefix 1000 0x0: decode OPCODE_OP_BOTTOM3 { 1001 0x1: PSLLW(Pq,Qq); 1002 0x2: PSLLD(Pq,Qq); 1003 0x3: PSLLQ(Pq,Qq); 1004 0x4: PMULUDQ(Pq,Qq); 1005 0x5: PMADDWD(Pq,Qq); 1006 0x6: PSADBW(Pq,Qq); 1007 0x7: MASKMOVQ(Pq,PRq); 1008 default: UD2(); 1009 } 1010 // operand size (0x66) 1011 0x1: decode OPCODE_OP_BOTTOM3 { 1012 0x1: PSLLW(Vo,Wo); 1013 0x2: PSLLD(Vo,Wo); 1014 0x3: PSLLQ(Vo,Wo); 1015 0x4: PMULUDQ(Vo,Wo); 1016 0x5: PMADDWD(Vo,Wo); 1017 0x6: PSADBW(Vo,Wo); 1018 0x7: MASKMOVDQU(Vo,VRo); 1019 default: UD2(); 1020 } 1021 // repne (0xF2) 1022 0x8: decode OPCODE_OP_BOTTOM3 { 1023 0x0: WarnUnimpl::lddqu_Vo_Mo(); 1024 default: UD2(); 1025 } 1026 default: UD2(); 1027 } 1028 0x1F: decode LEGACY_DECODEVAL { 1029 // no prefix 1030 0x0: decode OPCODE_OP_BOTTOM3 { 1031 0x0: PSUBB(Pq,Qq); 1032 0x1: PSUBW(Pq,Qq); 1033 0x2: PSUBD(Pq,Qq); 1034 0x3: PSUBQ(Pq,Qq); 1035 0x4: PADDB(Pq,Qq); 1036 0x5: PADDW(Pq,Qq); 1037 0x6: PADDD(Pq,Qq); 1038 0x7: UD2(); 1039 } 1040 // operand size (0x66) 1041 0x1: decode OPCODE_OP_BOTTOM3 { 1042 0x0: PSUBB(Vo,Wo); 1043 0x1: PSUBW(Vo,Wo); 1044 0x2: PSUBD(Vo,Wo); 1045 0x3: PSUBQ(Vo,Wo); 1046 0x4: PADDB(Vo,Wo); 1047 0x5: PADDW(Vo,Wo); 1048 0x6: PADDD(Vo,Wo); 1049 0x7: UD2(); 1050 } 1051 default: UD2(); 1052 } 1053 } 1054 default: FailUnimpl::twoByteOps(); 1055 } 1056 } 1057 default: M5InternalError::error( 1058 {{"Unexpected first opcode byte in two byte opcode!"}}); 1059} 1060