// Copyright (c) 2008 The Regents of The University of Michigan // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer; // redistributions in binary form must reproduce the above copyright // notice, this list of conditions and the following disclaimer in the // documentation and/or other materials provided with the distribution; // neither the name of the copyright holders nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Authors: Gabe Black // Copyright (c) 2007-2008 The Hewlett-Packard Development Company // All rights reserved. // // Redistribution and use of this software in source and binary forms, // with or without modification, are permitted provided that the // following conditions are met: // // The software must be used only for Non-Commercial Use which means any // use which is NOT directed to receiving any direct monetary // compensation for, or commercial advantage from such use. Illustrative // examples of non-commercial use are academic research, personal study, // teaching, education and corporate research & development. // Illustrative examples of commercial use are distributing products for // commercial advantage and providing services using the software for // commercial advantage. // // If you wish to use this software or functionality therein that may be // covered by patents for commercial use, please contact: // Director of Intellectual Property Licensing // Office of Strategy and Technology // Hewlett-Packard Company // 1501 Page Mill Road // Palo Alto, California 94304 // // Redistributions of source code must retain the above copyright notice, // this list of conditions and the following disclaimer. Redistributions // in binary form must reproduce the above copyright notice, this list of // conditions and the following disclaimer in the documentation and/or // other materials provided with the distribution. Neither the name of // the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. No right of // sublicense is granted herewith. Derivatives of the software and // output created using the software may be prepared, but only for // Non-Commercial Uses. Derivatives of the software may be shared with // others provided: (i) the others agree to abide by the list of // conditions herein which includes the Non-Commercial Use restrictions; // and (ii) such Derivatives of the software include the above copyright // notice to acknowledge the contribution from this software where // applicable, this list of conditions and the disclaimer below. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Authors: Gabe Black //////////////////////////////////////////////////////////////////// // // Decode the two byte opcodes // 0x2: decode OPCODE_PREFIXA { 0x0F: decode OPCODE_OP_TOP5 { format WarnUnimpl { 0x00: decode OPCODE_OP_BOTTOM3 { //0x00: group6(); 0x00: decode MODRM_REG { 0x0: sldt_Mw_or_Rv(); 0x1: str_Mw_or_Rv(); 0x2: Inst::LLDT(Ew); 0x3: Inst::LTR(Ew); 0x4: verr_Mw_or_Rv(); 0x5: verw_Mw_or_Rv(); //0x6: jmpe_Ev(); // IA-64 default: Inst::UD2(); } //0x01: group7(); // Ugly, ugly, ugly... 0x01: decode MODRM_MOD { 0x3: decode MODRM_REG { 0x0: decode MODRM_RM { 0x1: vmcall(); 0x2: vmlaunch(); 0x3: vmresume(); 0x4: vmxoff(); default: Inst::UD2(); } 0x1: decode MODRM_RM { 0x0: monitor(); 0x1: mwait(); default: Inst::UD2(); } 0x3: decode MODRM_RM { 0x0: vmrun(); 0x1: vmmcall(); 0x2: vmload(); 0x3: vmsave(); 0x4: stgi(); 0x5: clgi(); 0x6: skinit(); 0x7: invlpga(); } 0x4: Inst::SMSW(Rv); 0x6: Inst::LMSW(Rv); 0x7: decode MODRM_RM { 0x0: Inst::SWAPGS(); 0x1: rdtscp(); default: Inst::UD2(); } default: Inst::UD2(); } default: decode MODRM_REG { 0x0: sgdt_Ms(); 0x1: sidt_Ms(); 0x2: decode MODE_SUBMODE { 0x0: Inst::LGDT(M); default: decode OPSIZE { // 16 bit operand sizes are special, but only // in legacy and compatability modes. 0x2: Inst::LGDT_16(M); default: Inst::LGDT(M); } } 0x3: decode MODE_SUBMODE { 0x0: Inst::LIDT(M); default: decode OPSIZE { // 16 bit operand sizes are special, but only // in legacy and compatability modes. 0x2: Inst::LIDT_16(M); default: Inst::LIDT(M); } } 0x4: Inst::SMSW(Mw); 0x6: Inst::LMSW(Mw); 0x7: Inst::INVLPG(M); default: Inst::UD2(); } } 0x02: lar_Gv_Ew(); 0x03: lsl_Gv_Ew(); // sandpile.org doesn't seem to know what this is...? We'll // use it for pseudo instructions. We've got 16 bits of space // to play with so there can be quite a few pseudo // instructions. //0x04: loadall_or_reset_or_hang(); 0x4: decode IMMEDIATE { format BasicOperate { #if FULL_SYSTEM 0x00: m5arm({{ PseudoInst::arm(xc->tcBase()); }}, IsNonSpeculative); 0x01: m5quiesce({{ PseudoInst::quiesce(xc->tcBase()); }}, IsNonSpeculative); 0x02: m5quiesceNs({{ PseudoInst::quiesceNs(xc->tcBase(), Rdi); }}, IsNonSpeculative); 0x03: m5quiesceCycle({{ PseudoInst::quiesceCycles(xc->tcBase(), Rdi); }}, IsNonSpeculative); 0x04: m5quiesceTime({{ Rax = PseudoInst::quiesceTime(xc->tcBase()); }}, IsNonSpeculative); #endif 0x07: m5rpns({{ Rax = PseudoInst::rpns(xc->tcBase()); }}, IsNonSpeculative); 0x21: m5exit({{ PseudoInst::m5exit(xc->tcBase(), Rdi); }}, IsNonSpeculative); #if FULL_SYSTEM 0x30: m5initparam({{ Rax = xc->tcBase()->getCpuPtr()-> system->init_param; }}, IsNonSpeculative); 0x31: m5loadsymbol({{ PseudoInst::loadsymbol(xc->tcBase()); }}, IsNonSpeculative); #endif 0x40: m5resetstats({{ PseudoInst::resetstats(xc->tcBase(), Rdi, Rsi); }}, IsNonSpeculative); 0x41: m5dumpstats({{ PseudoInst::dumpstats(xc->tcBase(), Rdi, Rsi); }}, IsNonSpeculative); 0x42: m5dumpresetstats({{ PseudoInst::dumpresetstats(xc->tcBase(), Rdi, Rsi); }}, IsNonSpeculative); 0x43: m5checkpoint({{ PseudoInst::m5checkpoint(xc->tcBase(), Rdi, Rsi); }}, IsNonSpeculative); #if FULL_SYSTEM 0x50: m5readfile({{ Rax = PseudoInst::readfile( xc->tcBase(), Rdi, Rsi, Rdx); }}, IsNonSpeculative); #endif 0x51: m5debugbreak({{ PseudoInst::debugbreak(xc->tcBase()); }}, IsNonSpeculative); 0x52: m5switchcpu({{ PseudoInst::switchcpu(xc->tcBase()); }}, IsNonSpeculative); #if FULL_SYSTEM 0x53: m5addsymbol({{ PseudoInst::addsymbol(xc->tcBase(), Rdi, Rsi); }}, IsNonSpeculative); #endif 0x54: m5panic({{ panic("M5 panic instruction called at pc=%#x.\n", xc->readPC()); }}, IsNonSpeculative); 0x55: m5reserved1({{ warn("M5 reserved opcode 1 ignored.\n"); }}, IsNonSpeculative); 0x56: m5reserved2({{ warn("M5 reserved opcode 2 ignored.\n"); }}, IsNonSpeculative); 0x57: m5reserved3({{ warn("M5 reserved opcode 3 ignored.\n"); }}, IsNonSpeculative); 0x58: m5reserved4({{ warn("M5 reserved opcode 4 ignored.\n"); }}, IsNonSpeculative); 0x59: m5reserved5({{ warn("M5 reserved opcode 5 ignored.\n"); }}, IsNonSpeculative); default: Inst::UD2(); } } #if FULL_SYSTEM 0x05: decode MODE_MODE { 0x0: decode MODE_SUBMODE { 0x0: Inst::SYSCALL_64(); 0x1: Inst::SYSCALL_COMPAT(); } 0x1: Inst::SYSCALL_LEGACY(); } #else 0x05: SyscallInst::syscall('xc->syscall(Rax)', IsSyscall); #endif 0x06: Inst::CLTS(); 0x07: decode MODE_SUBMODE { 0x0: decode OPSIZE { // Return to 64 bit mode. 0x8: Inst::SYSRET_TO_64(); // Return to compatibility mode. default: Inst::SYSRET_TO_COMPAT(); } default: Inst::SYSRET_NON_64(); } } 0x01: decode OPCODE_OP_BOTTOM3 { 0x0: invd(); 0x1: wbinvd(); 0x2: Inst::UD2(); 0x3: Inst::UD2(); 0x4: Inst::UD2(); 0x5: Inst::PREFETCH(Mb); 0x6: FailUnimpl::femms(); 0x7: FailUnimpl::threednow(); } 0x02: decode LEGACY_DECODEVAL { // no prefix 0x0: decode OPCODE_OP_BOTTOM3 { 0x0: movups_Vo_Wo(); 0x1: movups_Wo_Vo(); 0x2: decode MODRM_MOD { 0x3: movhlps_Vq_VRq(); default: movlps_Vq_Mq(); } 0x3: movlps_Mq_Vq(); 0x4: Inst::UNPCKLPS(Vps,Wq); 0x5: Inst::UNPCKHPS(Vpd,Wq); 0x6: decode MODRM_MOD { 0x3: movlhps_Vq_VRq(); default: movhps_Vq_Mq(); } 0x7: movhps_Mq_Vq(); } // repe (0xF3) 0x4: decode OPCODE_OP_BOTTOM3 { 0x0: movss_Vd_Wd(); 0x1: movss_Wd_Vd(); 0x2: movsldup_Vo_Wo(); 0x6: movshdup_Vo_Wo(); default: Inst::UD2(); } // operand size (0x66) 0x1: decode OPCODE_OP_BOTTOM3 { 0x0: movupd_Vo_Wo(); 0x1: movupd_Wo_Vo(); 0x2: Inst::MOVLPD(Vq,Mq); 0x3: Inst::MOVLPD(Mq,Vq); 0x4: Inst::UNPCKLPD(Vo,Wq); 0x5: Inst::UNPCKHPD(Vo,Wo); 0x6: movhpd_Vq_Mq(); 0x7: movhpd_Mq_Vq(); } // repne (0xF2) 0x8: decode OPCODE_OP_BOTTOM3 { 0x0: Inst::MOVSD(Vq,Wq); 0x1: Inst::MOVSD(Wq,Vq); 0x2: movddup_Vo_Wq(); default: Inst::UD2(); } default: Inst::UD2(); } 0x03: decode OPCODE_OP_BOTTOM3 { //group17(); 0x0: decode MODRM_REG { 0x0: prefetch_nta(); 0x1: Inst::PREFETCH_T0(Mb); 0x2: prefetch_t1(); 0x3: prefetch_t2(); default: Inst::HINT_NOP(); } 0x1: Inst::HINT_NOP(); 0x2: Inst::HINT_NOP(); 0x3: Inst::HINT_NOP(); 0x4: Inst::HINT_NOP(); 0x5: Inst::HINT_NOP(); 0x6: Inst::HINT_NOP(); 0x7: Inst::HINT_NOP(); } 0x04: decode LEGACY_DECODEVAL { // no prefix 0x0: decode OPCODE_OP_BOTTOM3 { 0x0: Inst::MOV(Rd,Cd); 0x1: Inst::MOV(Rd,Dd); 0x2: Inst::MOV(Cd,Rd); 0x3: Inst::MOV(Dd,Rd); 0x4: mov_Rd_Td(); 0x6: mov_Td_Rd(); default: Inst::UD2(); } // lock prefix (0xF0) 0x2: decode OPCODE_OP_BOTTOM3 { 0x0: mov_Rd_CR8D(); 0x2: mov_CR8D_Rd(); } default: Inst::UD2(); } 0x05: decode LEGACY_DECODEVAL { // no prefix 0x0: decode OPCODE_OP_BOTTOM3 { //These moves should really use size o (octword), but //because they are split in two, they use q (quadword). 0x0: Inst::MOVAPS(Vq,Wq); 0x1: Inst::MOVAPS(Wq,Vq); 0x2: decode MODRM_MOD { 0x3: cvtpi2pS_Vq_Pq(); default: cvtpi2ps_Vq_Mq(); } 0x3: movntps_Mo_Vo(); 0x4: cvttps2pi_Pq_Wq(); 0x5: cvtpS2pi_Pq_Wq(); 0x6: ucomiss_Vd_Wd(); 0x7: comiss_Vd_Wd(); } // repe (0xF3) 0x4: decode OPCODE_OP_BOTTOM3 { 0x2: cvtsi2ss_Vd_Ed(); 0x4: cvttss2si_Gd_Wd(); 0x5: cvtss2si_Gd_Wd(); default: Inst::UD2(); } // operand size (0x66) 0x1: decode OPCODE_OP_BOTTOM3 { 0x0: movapd_Vo_Wo(); 0x1: movapd_Wo_Vo(); 0x2: decode MODRM_MOD { 0x3: cvtpi2pd_Vo_Pq(); default: cvtpi2pd_Vo_Mq(); } 0x3: movntpd_Mo_Vo(); 0x4: cvttpd2pi_Pq_Wo(); 0x5: cvtpd2pi_Pq_Wo(); 0x6: Inst::UCOMISD(Vq,Wq); 0x7: comisd_Vq_Wq(); } // repne (0xF2) 0x8: decode OPCODE_OP_BOTTOM3 { // The size of the V operand should be q, not dp 0x2: Inst::CVTSI2SD(Vdp,Edp); // The size of the W operand should be q, not dp 0x4: Inst::CVTTSD2SI(Gdp,Wdp); 0x5: cvtsd2si_Gd_Wq(); default: Inst::UD2(); } default: Inst::UD2(); } 0x06: decode OPCODE_OP_BOTTOM3 { 0x0: Inst::WRMSR(); 0x1: Inst::RDTSC(); 0x2: Inst::RDMSR(); 0x3: rdpmc(); #if FULL_SYSTEM 0x4: sysenter(); #else 0x4: SyscallInst::sysenter('xc->syscall(Rax)', IsSyscall); #endif 0x5: sysexit(); 0x6: Inst::UD2(); 0x7: getsec(); } 0x07: decode OPCODE_OP_BOTTOM3 { 0x0: three_byte_opcode(); 0x1: three_byte_opcode(); 0x2: three_byte_opcode(); 0x3: three_byte_opcode(); 0x4: three_byte_opcode(); 0x5: three_byte_opcode(); 0x6: three_byte_opcode(); 0x7: three_byte_opcode(); } format Inst { 0x08: decode OPCODE_OP_BOTTOM3 { 0x0: CMOVO(Gv,Ev); 0x1: CMOVNO(Gv,Ev); 0x2: CMOVB(Gv,Ev); 0x3: CMOVNB(Gv,Ev); 0x4: CMOVZ(Gv,Ev); 0x5: CMOVNZ(Gv,Ev); 0x6: CMOVBE(Gv,Ev); 0x7: CMOVNBE(Gv,Ev); } 0x09: decode OPCODE_OP_BOTTOM3 { 0x0: CMOVS(Gv,Ev); 0x1: CMOVNS(Gv,Ev); 0x2: CMOVP(Gv,Ev); 0x3: CMOVNP(Gv,Ev); 0x4: CMOVL(Gv,Ev); 0x5: CMOVNL(Gv,Ev); 0x6: CMOVLE(Gv,Ev); 0x7: CMOVNLE(Gv,Ev); } } 0x0A: decode LEGACY_DECODEVAL { // no prefix 0x0: decode OPCODE_OP_BOTTOM3 { 0x0: movmskps_Gd_VRo(); 0x1: Inst::SQRTPS(Vo,Wo); 0x2: rqsrtps_Vo_Wo(); 0x3: rcpps_Vo_Wo(); 0x4: Inst::ANDPS(Vo,Wo); 0x5: Inst::ANDNPS(Vo,Wo); 0x6: Inst::ORPS(Vo,Wo); 0x7: Inst::XORPS(Vo,Wo); } // repe (0xF3) 0x4: decode OPCODE_OP_BOTTOM3 { 0x1: Inst::SQRTSS(Vd,Wd); 0x2: rsqrtss_Vd_Wd(); 0x3: rcpss_Vd_Wd(); default: Inst::UD2(); } // operand size (0x66) 0x1: decode OPCODE_OP_BOTTOM3 { 0x0: movmskpd_Gd_VRo(); 0x1: Inst::SQRTPD(Vo,Wo); 0x4: Inst::ANDPD(Vo,Wo); 0x5: Inst::ANDNPD(Vo,Wo); 0x6: Inst::ORPD(Vo,Wo); //This really should be type o, but it works on q sized //chunks at a time. 0x7: Inst::XORPD(Vq,Wq); default: Inst::UD2(); } format Inst { // repne (0xF2) 0x8: decode OPCODE_OP_BOTTOM3 { 0x1: Inst::SQRTSD(Vq,Wq); default: UD2(); } default: UD2(); } } 0x0B: decode LEGACY_DECODEVAL { // no prefix 0x0: decode OPCODE_OP_BOTTOM3 { 0x0: Inst::ADDPS(Vo,Wo); 0x1: mulps_Vo_Wo(); 0x2: cvtps2pd_Vo_Wq(); 0x3: cvtdq2ps_Vo_Wo(); 0x4: Inst::SUBPS(Vo,Wo); 0x5: Inst::MINPS(Vo,Wo); 0x6: divps_Vo_Wo(); 0x7: Inst::MAXPS(Vo,Wo); } // repe (0xF3) 0x4: decode OPCODE_OP_BOTTOM3 { 0x0: Inst::ADDSS(Vd,Wd); 0x1: mulss_Vd_Wd(); 0x2: cvtss2sd_Vq_Wd(); 0x3: cvttps2dq_Vo_Wo(); 0x4: Inst::SUBSS(Vd,Wd); 0x5: Inst::MINSS(Vd,Wd); 0x6: divss_Vd_Wd(); 0x7: Inst::MAXSS(Vd,Wd); } // operand size (0x66) 0x1: decode OPCODE_OP_BOTTOM3 { 0x0: Inst::ADDPD(Vo,Wo); 0x1: mulpd_Vo_Wo(); 0x2: cvtpd2ps_Vo_Wo(); 0x3: cvtps2dq_Vo_Wo(); 0x4: Inst::SUBPD(Vo,Wo); 0x5: Inst::MINPD(Vo,Wo); 0x6: divpd_Vo_Wo(); 0x7: Inst::MAXPD(Vo,Wo); } // repne (0xF2) 0x8: decode OPCODE_OP_BOTTOM3 { 0x0: Inst::ADDSD(Vq,Wq); 0x1: Inst::MULSD(Vq,Wq); 0x2: cvtsd2ss_Vd_Wq(); 0x4: Inst::SUBSD(Vq,Wq); 0x5: Inst::MINSD(Vq,Wq); 0x6: Inst::DIVSD(Vq,Wq); 0x7: Inst::MAXSD(Vq,Wq); default: Inst::UD2(); } default: Inst::UD2(); } 0x0C: decode LEGACY_DECODEVAL { // no prefix 0x0: decode OPCODE_OP_BOTTOM3 { 0x0: Inst::PUNPCKLBW(Pq,Qd); 0x1: Inst::PUNPCKLWD(Pq,Qd); 0x2: Inst::PUNPCKLDQ(Pq,Qd); 0x3: Inst::PACKSSWB(Pq,Qq); 0x4: pcmpgtb_Pq_Qq(); 0x5: pcmpgtw_Pq_Qq(); 0x6: pcmpgtd_Pq_Qq(); 0x7: Inst::PACKUSWB(Pq,Qq); } // operand size (0x66) 0x1: decode OPCODE_OP_BOTTOM3 { 0x0: Inst::PUNPCKLBW(Vo,Wq); 0x1: Inst::PUNPCKLWD(Vo,Wq); 0x2: Inst::PUNPCKLDQ(Vo,Wq); 0x3: Inst::PACKSSWB(Vo,Wo); 0x4: pcmpgtb_Vo_Wo(); 0x5: pcmpgtw_Vo_Wo(); 0x6: pcmpgtd_Vo_Wo(); 0x7: Inst::PACKUSWB(Vo,Wo); } default: Inst::UD2(); } 0x0D: decode LEGACY_DECODEVAL { // no prefix 0x0: decode OPCODE_OP_BOTTOM3 { 0x0: Inst::PUNPCKHBW(Pq,Qq); 0x1: Inst::PUNPCKHWD(Pq,Qq); 0x2: Inst::PUNPCKHDQ(Pq,Qq); 0x3: Inst::PACKSSDW(Pq,Qq); 0x6: Inst::MOVD(Pq,Edp); 0x7: Inst::MOVQ(Pq,Qq); default: Inst::UD2(); } // repe (0xF3) 0x4: decode OPCODE_OP_BOTTOM3 { 0x7: movdqu_Vo_Wo(); default: Inst::UD2(); } // operand size (0x66) 0x1: decode OPCODE_OP_BOTTOM3 { 0x0: Inst::PUNPCKHBW(Vo,Wo); 0x1: Inst::PUNPCKHWD(Vo,Wo); 0x2: Inst::PUNPCKHDQ(Vo,Wo); 0x3: Inst::PACKSSDW(Vo,Wo); 0x4: Inst::PUNPCKLQDQ(Vo,Wq); 0x5: Inst::PUNPCKHQDQ(Vo,Wq); 0x6: movd_Vo_Ed(); 0x7: movdqa_Vo_Wo(); } default: Inst::UD2(); } 0x0E: decode LEGACY_DECODEVAL { // no prefix 0x0: decode OPCODE_OP_BOTTOM3 { 0x0: pshufw_Pq_Qq_Ib(); //0x1: group13_pshimw(); 0x1: decode MODRM_REG { 0x2: decode LEGACY_OP { 0x0: psrlw_PRq_Ib(); 0x1: psrlw_VRo_Ib(); } 0x4: decode LEGACY_OP { 0x0: psraw_PRq_Ib(); 0x1: psraw_VRo_Ib(); } 0x6: decode LEGACY_OP { 0x0: psllw_PRq_Ib(); 0x1: psllw_VRo_Ib(); } default: Inst::UD2(); } //0x2: group14_pshimd(); 0x2: decode MODRM_REG { 0x2: decode LEGACY_OP { 0x0: psrld_PRq_Ib(); 0x1: psrld_VRo_Ib(); } 0x4: decode LEGACY_OP { 0x0: psrad_PRq_Ib(); 0x1: psrad_VRo_Ib(); } 0x6: decode LEGACY_OP { 0x0: pslld_PRq_Ib(); 0x1: pslld_VRo_Ib(); } default: Inst::UD2(); } //0x3: group15_pshimq(); 0x3: decode MODRM_REG { 0x2: decode LEGACY_OP { 0x0: psrlq_PRq_Ib(); 0x1: psrlq_VRo_Ib(); } 0x3: decode LEGACY_OP { 0x0: Inst::UD2(); 0x1: psrldq_VRo_Ib(); } 0x6: decode LEGACY_OP { 0x0: psllq_PRq_Ib(); 0x1: psllq_VRo_Ib(); } 0x7: decode LEGACY_OP { 0x0: Inst::UD2(); 0x1: pslldq_VRo_Ib(); } default: Inst::UD2(); } 0x4: pcmpeqb_Pq_Qq(); 0x5: pcmpeqw_Pq_Qq(); 0x6: pcmpeqd_Pq_Qq(); 0x7: emms(); } // repe (0xF3) 0x4: decode OPCODE_OP_BOTTOM3 { 0x0: pshufhw_Vo_Wo_Ib(); default: Inst::UD2(); } // operand size (0x66) 0x1: decode OPCODE_OP_BOTTOM3 { 0x0: pshufd_Vo_Wo_Ib(); //0x1: group13_pshimw(); 0x1: decode MODRM_REG { 0x2: decode LEGACY_OP { 0x0: psrlw_PRq_Ib(); 0x1: psrlw_VRo_Ib(); } 0x4: decode LEGACY_OP { 0x0: psraw_PRq_Ib(); 0x1: psraw_VRo_Ib(); } 0x6: decode LEGACY_OP { 0x0: psllw_PRq_Ib(); 0x1: psllw_VRo_Ib(); } default: Inst::UD2(); } //0x2: group14_pshimd(); 0x2: decode MODRM_REG { 0x2: decode LEGACY_OP { 0x0: psrld_PRq_Ib(); 0x1: psrld_VRo_Ib(); } 0x4: decode LEGACY_OP { 0x0: psrad_PRq_Ib(); 0x1: psrad_VRo_Ib(); } 0x6: decode LEGACY_OP { 0x0: pslld_PRq_Ib(); 0x1: pslld_VRo_Ib(); } default: Inst::UD2(); } //0x3: group15_pshimq(); 0x3: decode MODRM_REG { 0x2: decode LEGACY_OP { 0x0: psrlq_PRq_Ib(); 0x1: psrlq_VRo_Ib(); } 0x3: decode LEGACY_OP { 0x0: Inst::UD2(); 0x1: psrldq_VRo_Ib(); } 0x6: decode LEGACY_OP { 0x0: psllq_PRq_Ib(); 0x1: psllq_VRo_Ib(); } 0x7: decode LEGACY_OP { 0x0: Inst::UD2(); 0x1: pslldq_VRo_Ib(); } default: Inst::UD2(); } 0x4: pcmpeqb_Vo_Wo(); 0x5: pcmpeqw_Vo_Wo(); 0x6: pcmpeqd_Vo_Wo(); default: Inst::UD2(); } // repne (0xF2) 0x8: decode OPCODE_OP_BOTTOM3 { 0x0: pshuflw_Vo_Wo_Ib(); default: Inst::UD2(); } default: Inst::UD2(); } 0x0F: decode LEGACY_DECODEVAL { // no prefix 0x0: decode OPCODE_OP_BOTTOM3 { 0x0: vmread_Ed_or_Eq_Gd_or_Gq(); 0x1: vmwrite_Gd_or_Gq_Ed_or_Eq(); 0x6: Inst::MOVD(Edp,Pdp); 0x7: Inst::MOVQ(Qq,Pq); default: Inst::UD2(); } // repe (0xF3) 0x4: decode OPCODE_OP_BOTTOM3 { 0x6: Inst::MOVQ(Vq,Wq); 0x7: movdqu_Wo_Vo(); default: Inst::UD2(); } // operand size (0x66) 0x1: decode OPCODE_OP_BOTTOM3 { 0x4: haddpd_Vo_Wo(); 0x5: hsubpd_Vo_Wo(); 0x6: movd_Ed_Vd(); 0x7: movdqa_Wo_Vo(); default: Inst::UD2(); } // repne (0xF2) 0x8: decode OPCODE_OP_BOTTOM3 { 0x4: haddps_Vo_Wo(); 0x5: hsubps_Vo_Wo(); default: Inst::UD2(); } default: Inst::UD2(); } format Inst { 0x10: decode OPCODE_OP_BOTTOM3 { 0x0: JO(Jz); 0x1: JNO(Jz); 0x2: JB(Jz); 0x3: JNB(Jz); 0x4: JZ(Jz); 0x5: JNZ(Jz); 0x6: JBE(Jz); 0x7: JNBE(Jz); } 0x11: decode OPCODE_OP_BOTTOM3 { 0x0: JS(Jz); 0x1: JNS(Jz); 0x2: JP(Jz); 0x3: JNP(Jz); 0x4: JL(Jz); 0x5: JNL(Jz); 0x6: JLE(Jz); 0x7: JNLE(Jz); } 0x12: decode OPCODE_OP_BOTTOM3 { 0x0: SETO(Eb); 0x1: SETNO(Eb); 0x2: SETB(Eb); 0x3: SETNB(Eb); 0x4: SETZ(Eb); 0x5: SETNZ(Eb); 0x6: SETBE(Eb); 0x7: SETNBE(Eb); } 0x13: decode OPCODE_OP_BOTTOM3 { 0x0: SETS(Eb); 0x1: SETNS(Eb); 0x2: SETP(Eb); 0x3: SETNP(Eb); 0x4: SETL(Eb); 0x5: SETNL(Eb); 0x6: SETLE(Eb); 0x7: SETNLE(Eb); } } 0x14: decode OPCODE_OP_BOTTOM3 { 0x0: push_fs(); 0x1: pop_fs(); 0x2: CPUIDInst::CPUID({{ CpuidResult result; success = doCpuid(xc->tcBase(), bits(Rax, 31, 0), result); Rax = result.rax; Rbx = result.rbx; Rcx = result.rcx; Rdx = result.rdx; }}); 0x3: Inst::BT(Ev,Gv); 0x4: Inst::SHLD(Ev,Gv,Ib); 0x5: Inst::SHLD(Ev,Gv); 0x6: xbts_and_cmpxchg(); 0x7: ibts_and_cmpxchg(); } 0x15: decode OPCODE_OP_BOTTOM3 { 0x0: push_gs(); 0x1: pop_gs(); 0x2: rsm_smm(); 0x3: Inst::BTS(Ev,Gv); 0x4: Inst::SHRD(Ev,Gv,Ib); 0x5: Inst::SHRD(Ev,Gv); //0x6: group16(); 0x6: decode MODRM_REG { 0x0: fxsave(); 0x1: fxrstor(); 0x2: ldmxcsr(); 0x3: stmxcsr(); 0x4: Inst::UD2(); 0x5: decode MODRM_MOD { 0x3: BasicOperate::LFENCE( {{/*Nothing*/}}, IsReadBarrier); default: Inst::UD2(); } 0x6: decode MODRM_MOD { 0x3: BasicOperate::MFENCE( {{/*Nothing*/}}, IsMemBarrier); default: Inst::UD2(); } 0x7: decode MODRM_MOD { 0x3: BasicOperate::SFENCE( {{/*Nothing*/}}, IsWriteBarrier); default: Inst::UD2(); } } 0x7: Inst::IMUL(Gv,Ev); } 0x16: decode OPCODE_OP_BOTTOM3 { 0x0: Inst::CMPXCHG(Eb,Gb); 0x1: Inst::CMPXCHG(Ev,Gv); 0x2: lss_Gz_Mp(); 0x3: Inst::BTR(Ev,Gv); 0x4: lfs_Gz_Mp(); 0x5: lgs_Gz_Mp(); //The size of the second operand in these instructions should //really be "b" or "w", but it's set to v in order to have a //consistent register size. This shouldn't affect behavior. 0x6: Inst::MOVZX_B(Gv,Ev); 0x7: Inst::MOVZX_W(Gv,Ev); } 0x17: decode OPCODE_OP_BOTTOM3 { 0x0: jmpe_Jz(); // IA-64? format Inst { //0x1: group11_UD2(); 0x1: UD2(); //0x2: group8_Ev_Ib(); 0x2: decode MODRM_REG { 0x4: BT(Ev,Ib); 0x5: BTS(Ev,Ib); 0x6: BTR(Ev,Ib); 0x7: BTC(Ev,Ib); default: UD2(); } 0x3: BTC(Ev,Gv); } 0x4: Inst::BSF(Gv,Ev); 0x5: Inst::BSR(Gv,Ev); //The size of the second operand in these instructions should //really be "b" or "w", but it's set to v in order to have a //consistent register size. This shouldn't affect behavior. 0x6: Inst::MOVSX_B(Gv,Ev); 0x7: Inst::MOVSX_W(Gv,Ev); } 0x18: decode OPCODE_OP_BOTTOM3 { 0x0: Inst::XADD(Eb,Gb); 0x1: Inst::XADD(Ev,Gv); //0x7: group9(); 0x7: decode MODRM_REG { //Also CMPXCHG16B 0x1: Inst::CMPXCHG8B(Mdp); 0x6: decode LEGACY_OP { 0x1: vmclear_Mq(); default: decode LEGACY_REP { 0x1: vmxon_Mq(); 0x0: vmptrld_Mq(); } } 0x7: vmptrst_Mq(); default: Inst::UD2(); } default: decode LEGACY_DECODEVAL { // no prefix 0x0: decode OPCODE_OP_BOTTOM3 { 0x2: cmpccps_Vo_Wo_Ib(); 0x3: cvtdq2ps_Vo_Wo(); 0x4: Inst::SUBPS(Vo,Wo); 0x5: Inst::MINPS(Vo,Wo); 0x6: divps_Vo_Wo(); } // repe (0xF3) 0x4: decode OPCODE_OP_BOTTOM3 { 0x2: cmpccss_Vd_Wd_Ib(); default: Inst::UD2(); } // operand size (0x66) 0x1: decode OPCODE_OP_BOTTOM3 { 0x2: cmpccpd_Vo_Wo_Ib(); 0x4: Inst::SUBPD(Vo,Wo); 0x5: Inst::MINPD(Vo,Wo); 0x6: divpd_Vo_Wo(); default: Inst::UD2(); } // repne (0xF2) 0x8: decode OPCODE_OP_BOTTOM3 { 0x2: cmpccsd_Vq_Wq_Ib(); default: Inst::UD2(); } default: Inst::UD2(); } } 0x19: decode OPSIZE { 4: Inst::BSWAP_D(Bd); 8: Inst::BSWAP_Q(Bq); default: Inst::UD2(); } 0x1A: decode LEGACY_DECODEVAL { // no prefix 0x0: decode OPCODE_OP_BOTTOM3 { 0x1: psrlw_Pq_Qq(); 0x2: psrld_Pq_Qq(); 0x3: psrlq_Pq_Qq(); 0x4: paddq_Pq_Qq(); 0x5: pmullw_Pq_Qq(); 0x7: pmovmskb_Gd_PRq(); default: Inst::UD2(); } // repe (0xF3) 0x4: decode OPCODE_OP_BOTTOM3 { 0x6: movq2dq_Vo_PRq(); default: Inst::UD2(); } // operand size (0x66) 0x1: decode OPCODE_OP_BOTTOM3 { 0x0: addsubpd_Vo_Wo(); 0x1: psrlw_Vo_Wo(); 0x2: psrld_Vo_Wo(); 0x3: psrlq_Vo_Wo(); 0x4: paddq_Vo_Wo(); 0x5: pmullw_Vo_Wo(); 0x6: Inst::MOVQ(Wq,Vq); 0x7: pmovmskb_Gd_VRo(); } // repne (0xF2) 0x8: decode OPCODE_OP_BOTTOM3 { 0x0: addsubps_Vo_Wo(); 0x6: movdq2q_Pq_VRq(); default: Inst::UD2(); } default: Inst::UD2(); } 0x1B: decode LEGACY_DECODEVAL { // no prefix 0x0: decode OPCODE_OP_BOTTOM3 { 0x0: psubusb_Pq_Qq(); 0x1: psubusw_Pq_Qq(); 0x2: pminub_Pq_Qq(); 0x3: Inst::PAND(Pq,Qq); 0x4: paddusb_Pq_Qq(); 0x5: paddusw_Pq_Qq(); 0x6: pmaxub_Pq_Qq(); 0x7: Inst::PANDN(Pq,Qq); } // operand size (0x66) 0x1: decode OPCODE_OP_BOTTOM3 { 0x0: psubusb_Vo_Wo(); 0x1: psubusw_Vo_Wo(); 0x2: pminub_Vo_Wo(); 0x3: Inst::PAND(Vo,Wo); 0x4: paddusb_Vo_Wo(); 0x5: paddusw_Vo_Wo(); 0x6: pmaxub_Vo_Wo(); 0x7: Inst::PANDN(Vo,Wo); } default: Inst::UD2(); } 0x1C: decode LEGACY_DECODEVAL { // no prefix 0x0: decode OPCODE_OP_BOTTOM3 { 0x0: pavgb_Pq_Qq(); 0x1: psraw_Pq_Qq(); 0x2: psrad_Pq_Qq(); 0x3: pavgw_Pq_Qq(); 0x4: pmulhuw_Pq_Qq(); 0x5: pmulhw_Pq_Qq(); 0x7: movntq_Mq_Pq(); default: Inst::UD2(); } // repe (0xF3) 0x4: decode OPCODE_OP_BOTTOM3 { 0x6: cvtdq2pd_Vo_Wq(); default: Inst::UD2(); } // operand size (0x66) 0x1: decode OPCODE_OP_BOTTOM3 { 0x0: pavgb_Vo_Wo(); 0x1: psraw_Vo_Wo(); 0x2: psrad_Vo_Wo(); 0x3: pavgw_Vo_Wo(); 0x4: pmulhuw_Vo_Wo(); 0x5: pmulhw_Vo_Wo(); 0x6: cvttpd2dq_Vo_Wo(); 0x7: movntdq_Mo_Vo(); } // repne (0xF2) 0x8: decode OPCODE_OP_BOTTOM3 { 0x6: cvtpd2dq_Vo_Wo(); default: Inst::UD2(); } default: Inst::UD2(); } 0x1D: decode LEGACY_DECODEVAL { // no prefix 0x0: decode OPCODE_OP_BOTTOM3 { 0x0: psubsb_Pq_Qq(); 0x1: psubsw_Pq_Qq(); 0x2: pminsw_Pq_Qq(); 0x3: Inst::POR(Pq,Qq); 0x4: paddsb_Pq_Qq(); 0x5: paddsw_Pq_Qq(); 0x6: pmaxsw_Pq_Qq(); 0x7: Inst::PXOR(Pq,Qq); } // operand size (0x66) 0x1: decode OPCODE_OP_BOTTOM3 { 0x0: psubsb_Vo_Wo(); 0x1: psubsw_Vo_Wo(); 0x2: pminsw_Vo_Wo(); 0x3: Inst::POR(Vo,Wo); 0x4: paddsb_Vo_Wo(); 0x5: paddsw_Vo_Wo(); 0x6: pmaxsw_Vo_Wo(); 0x7: Inst::PXOR(Vo,Wo); } default: Inst::UD2(); } 0x1E: decode LEGACY_DECODEVAL { // no prefix 0x0: decode OPCODE_OP_BOTTOM3 { 0x1: psllw_Pq_Qq(); 0x2: pslld_Pq_Qq(); 0x3: psllq_Pq_Qq(); 0x4: pmuludq_Pq_Qq(); 0x5: pmaddwd_Pq_Qq(); 0x6: psadbw_Pq_Qq(); 0x7: maskmovq_Pq_PRq(); default: Inst::UD2(); } // operand size (0x66) 0x1: decode OPCODE_OP_BOTTOM3 { 0x1: psllw_Vo_Wo(); 0x2: pslld_Vo_Wo(); 0x3: psllq_Vo_Wo(); 0x4: pmuludq_Vo_Wo(); 0x5: pmaddwd_Vo_Wo(); 0x6: psadbw_Vo_Wo(); 0x7: maskmovdqu_Vo_VRo(); default: Inst::UD2(); } // repne (0xF2) 0x8: decode OPCODE_OP_BOTTOM3 { 0x0: lddqu_Vo_Mo(); default: Inst::UD2(); } default: Inst::UD2(); } 0x1F: decode LEGACY_DECODEVAL { // no prefix 0x0: decode OPCODE_OP_BOTTOM3 { 0x0: psubb_Pq_Qq(); 0x1: psubw_Pq_Qq(); 0x2: psubd_Pq_Qq(); 0x3: psubq_Pq_Qq(); 0x4: paddb_Pq_Qq(); 0x5: paddw_Pq_Qq(); 0x6: paddd_Pq_Qq(); 0x7: Inst::UD2(); } // operand size (0x66) 0x1: decode OPCODE_OP_BOTTOM3 { 0x0: psubb_Vo_Wo(); 0x1: psubw_Vo_Wo(); 0x2: psubd_Vo_Wo(); 0x3: psubq_Vo_Wo(); 0x4: paddb_Vo_Wo(); 0x5: paddw_Vo_Wo(); 0x6: paddd_Vo_Wo(); 0x7: Inst::UD2(); } default: Inst::UD2(); } default: FailUnimpl::twoByteOps(); } } default: M5InternalError::error( {{"Unexpected first opcode byte in two byte opcode!"}}); }