| // Copyright (c) 2007-2008 The Hewlett-Packard Development Company |
| // Copyright (c) 2012-2013 AMD |
| // All rights reserved. |
| // |
| // The license below extends only to copyright in the software and shall |
| // not be construed as granting a license to any other intellectual |
| // property including but not limited to intellectual property relating |
| // to a hardware implementation of the functionality of the software |
| // licensed hereunder. You may use the software subject to the license |
| // terms below provided that you ensure that this notice is replicated |
| // unmodified and in its entirety in all distributions of the software, |
| // modified or unmodified, in source code or in binary form. |
| // |
| // 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. |
| |
| //////////////////////////////////////////////////////////////////// |
| // |
| // Decode the two byte opcodes |
| // |
| 'X86ISA::TwoByteOpcode': 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: decode MODE_SUBMODE { |
| 0x0: Cpl0Inst::LLDT_64(Ew); |
| default: Cpl0Inst::LLDT(Ew); |
| } |
| 0x3: decode MODE_SUBMODE { |
| 0x0: Cpl0Inst::LTR_64(Ew); |
| default: Cpl0Inst::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_REG { |
| 0x0: decode MODRM_MOD { |
| 0x3: decode MODRM_RM { |
| 0x1: vmcall(); |
| 0x2: vmlaunch(); |
| 0x3: vmresume(); |
| 0x4: vmxoff(); |
| default: Inst::UD2(); |
| } |
| default: sgdt_Ms(); |
| } |
| 0x1: decode MODRM_MOD { |
| 0x3: decode MODRM_RM { |
| 0x0: MonitorInst::monitor({{ |
| xc->armMonitor(Rax); |
| }}); |
| 0x1: MwaitInst::mwait({{ |
| uint64_t m = 0; //mem |
| unsigned s = 0x8; //size |
| unsigned f = 0; //flags |
| readMemAtomic(xc, traceData, |
| xc->getAddrMonitor()->vAddr, |
| m, s, f); |
| xc->mwaitAtomic(xc->tcBase()); |
| MicroHalt hltObj(machInst, mnemonic, 0x0); |
| hltObj.execute(xc, traceData); |
| }}); |
| default: Inst::UD2(); |
| } |
| default: sidt_Ms(); |
| } |
| 0x2: decode MODRM_MOD { |
| 0x3: decode MODRM_RM { |
| 0x0: xgetbv(); |
| 0x1: xsetbv(); |
| } |
| default: decode MODE_SUBMODE { |
| 0x0: Cpl0Inst::LGDT(M); |
| default: decode OPSIZE { |
| // 16 bit operand sizes are special, but only |
| // in legacy and compatability modes. |
| 0x2: Cpl0Inst::LGDT_16(M); |
| default: Cpl0Inst::LGDT(M); |
| } |
| } |
| } |
| 0x3: decode MODRM_MOD { |
| 0x3: decode MODRM_RM { |
| 0x0: vmrun(); // privileged |
| 0x1: vmmcall(); // privileged |
| 0x2: vmload(); // privileged |
| 0x3: vmsave(); // privileged |
| 0x4: stgi(); // privileged |
| 0x5: clgi(); // privileged |
| 0x6: skinit(); |
| 0x7: invlpga(); // privileged |
| } |
| default: decode MODE_SUBMODE { |
| 0x0: Cpl0Inst::LIDT(M); |
| default: decode OPSIZE { |
| // 16 bit operand sizes are special, but only |
| // in legacy and compatability modes. |
| 0x2: Cpl0Inst::LIDT_16(M); |
| default: Cpl0Inst::LIDT(M); |
| } |
| } |
| } |
| 0x4: decode MODRM_MOD { |
| 0x3: Inst::SMSW(Rv); |
| default: Inst::SMSW(Mw); |
| } |
| 0x6: Cpl0Inst::LMSW(Ew); |
| 0x7: decode MODRM_MOD { |
| 0x3: decode MODRM_RM { |
| 0x0: Cpl0Inst::SWAPGS(); |
| 0x1: Inst::RDTSCP(); |
| default: Inst::UD2(); |
| } |
| default: Cpl0Inst::INVLPG(M); |
| } |
| } |
| 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: BasicOperate::gem5Op({{ |
| bool recognized = pseudo_inst::pseudoInst<X86PseudoInstABI>( |
| xc->tcBase(), IMMEDIATE); |
| if (!recognized) |
| fault = std::make_shared<InvalidOpcode>(); |
| }}, IsNonSpeculative); |
| 0x05: decode FullSystemInt { |
| 0: SyscallInst::syscall({{ |
| return std::make_shared<SESyscallFault>(); |
| }}); |
| default: decode MODE_MODE { |
| 0x0: decode MODE_SUBMODE { |
| 0x0: Inst::SYSCALL_64(); |
| 0x1: Inst::SYSCALL_COMPAT(); |
| } |
| 0x1: Inst::SYSCALL_LEGACY(); |
| } |
| } |
| 0x06: Cpl0Inst::CLTS(); |
| 0x07: decode MODE_SUBMODE { |
| 0x0: decode OPSIZE { |
| // Return to 64 bit mode. |
| 0x8: Cpl0Inst::SYSRET_TO_64(); |
| // Return to compatibility mode. |
| default: Cpl0Inst::SYSRET_TO_COMPAT(); |
| } |
| default: Cpl0Inst::SYSRET_NON_64(); |
| } |
| } |
| 0x01: decode OPCODE_OP_BOTTOM3 { |
| 0x0: invd(); // privileged |
| 0x1: wbinvd(); // privileged |
| 0x2: Inst::UD2(); |
| 0x3: Inst::UD2(); |
| 0x4: Inst::UD2(); |
| 0x5: Inst::PREFETCH(Mb); |
| 0x6: FailUnimpl::femms(); |
| 0x7: decode IMMEDIATE { |
| 0x0C: pi2fw_Pq_Qq(); |
| 0x0D: pi2fd_Pq_Qq(); |
| 0x1C: pf2iw_Pq_Qq(); |
| 0x1D: pf2id_Pq_Qq(); |
| 0x8A: pfnacc_Pq_Qq(); |
| 0x8E: pfpnacc_Pq_Qq(); |
| 0x90: pfcmpge_Pq_Qq(); |
| 0x94: pfmin_Pq_Qq(); |
| 0x96: pfrcp_Pq_Qq(); |
| 0x97: pfrsqrt_Pq_Qq(); |
| 0x9A: Inst::PFSUB(Pq,Qq); |
| 0x9E: pfadd_Pq_Qq(); |
| 0xA0: pfcmpgt_Pq_Qq(); |
| 0xA4: pfmax_Pq_Qq(); |
| 0xA6: pfrcpit1_Pq_Qq(); |
| 0xA7: pfrsqit1_Pq_Qq(); |
| 0xAA: Inst::PFSUBR(Pq,Qq); |
| 0xAE: pfacc_Pq_Qq(); |
| 0xB0: pfcmpeq_Pq_Qq(); |
| 0xB4: Inst::PFMUL(Pq,Qq); |
| 0xB6: pfrcpit2_Pq_Qq(); |
| 0xB7: Inst::PMULHRW(Pq,Qq); |
| 0xBB: pswapd_Pq_Qq(); |
| 0xBF: pavgusb_Pq_Qq(); |
| default: Inst::UD2(); |
| } |
| } |
| format Inst{ |
| 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(Vps,VRq); |
| default: MOVLPS(Vps,Mq); |
| } |
| 0x3: MOVLPS(Mq,Vps); |
| 0x4: UNPCKLPS(Vps,Wq); |
| 0x5: UNPCKHPS(Vps,Wq); |
| 0x6: decode MODRM_MOD { |
| 0x3: MOVLHPS(Vps,VRq); |
| default: MOVHPS(Vps,Mq); |
| } |
| 0x7: MOVHPS(Mq,Vq); |
| } |
| // repe (0xF3) |
| 0x4: decode OPCODE_OP_BOTTOM3 { |
| 0x0: MOVSS(Vd,Wd); |
| 0x1: MOVSS(Wd,Vd); |
| 0x2: WarnUnimpl::movsldup_Vo_Wo(); |
| 0x6: WarnUnimpl::movshdup_Vo_Wo(); |
| default: UD2(); |
| } |
| // operand size (0x66) |
| 0x1: decode OPCODE_OP_BOTTOM3 { |
| 0x0: MOVUPD(Vo,Wo); |
| 0x1: MOVUPD(Wo,Vo); |
| 0x2: MOVLPD(Vq,Mq); |
| 0x3: MOVLPD(Mq,Vq); |
| 0x4: UNPCKLPD(Vo,Wq); |
| 0x5: UNPCKHPD(Vo,Wo); |
| 0x6: MOVHPD(Vq,Mq); |
| 0x7: MOVHPD(Mq,Vq); |
| } |
| // repne (0xF2) |
| 0x8: decode OPCODE_OP_BOTTOM3 { |
| 0x0: MOVSD(Vq,Wq); |
| 0x1: MOVSD(Wq,Vq); |
| 0x2: MOVDDUP(Vo,Wq); |
| default: UD2(); |
| } |
| default: UD2(); |
| } |
| 0x03: decode OPCODE_OP_BOTTOM3 { |
| //group16(); |
| 0x0: decode MODRM_REG { |
| 0x0: WarnUnimpl::prefetch_nta(); |
| 0x1: PREFETCH_T0(Mb); |
| 0x2: WarnUnimpl::prefetch_t1(); |
| 0x3: WarnUnimpl::prefetch_t2(); |
| default: HINT_NOP(); |
| } |
| 0x1: HINT_NOP(); |
| 0x2: HINT_NOP(); |
| 0x3: HINT_NOP(); |
| 0x4: HINT_NOP(); |
| 0x5: HINT_NOP(); |
| 0x6: HINT_NOP(); |
| 0x7: HINT_NOP(); |
| } |
| 0x04: decode LEGACY_DECODEVAL { |
| // no prefix |
| 0x0: decode OPCODE_OP_BOTTOM3 { |
| 0x0: Cpl0CondInst::MOV( |
| {{misc_reg::isValid(misc_reg::cr(MODRM_REG))}},Rd,Cd); |
| 0x1: Cpl0CondInst::MOV({{MODRM_REG < 8}},Rd,Dd); |
| 0x2: Cpl0CondInst::MOV( |
| {{misc_reg::isValid(misc_reg::cr(MODRM_REG))}},Cd,Rd); |
| 0x3: Cpl0CondInst::MOV({{MODRM_REG < 8}},Dd,Rd); |
| default: UD2(); |
| } |
| // operand size (0x66) |
| 0x1: decode OPCODE_OP_BOTTOM3 { |
| 0x0: Cpl0CondInst::MOV( |
| {{misc_reg::isValid(misc_reg::cr(MODRM_REG))}},Rd,Cd); |
| 0x2: Cpl0CondInst::MOV( |
| {{misc_reg::isValid(misc_reg::cr(MODRM_REG))}},Cd,Rd); |
| } |
| default: 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: MOVAPS(Vq,Wq); |
| 0x1: MOVAPS(Wq,Vq); |
| 0x2: CVTPI2PS(Vq,Qq); |
| //Non-temporal hint is ignored since we don't have |
| //proper support for it in the memory system. |
| 0x3: MOVNTPS(Mq,Vq); |
| 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: UD2(); |
| } |
| // operand size (0x66) |
| 0x1: decode OPCODE_OP_BOTTOM3 { |
| 0x0: MOVAPD(Vo,Wo); |
| 0x1: MOVAPD(Wo,Vo); |
| 0x2: CVTPI2PD(Vo,Qq); |
| //Non-temporal hint is ignored since we don't have |
| //proper support for it in the memory system. |
| 0x3: MOVNTPD(Mq,Vq); |
| 0x4: CVTTPD2PI(Pq,Wo); |
| 0x5: CVTPD2PI(Pq,Wo); |
| 0x6: 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: CVTSI2SD(Vdp,Edp); |
| // The size of the W operand should be q, not dp |
| 0x4: CVTTSD2SI(Gdp,Wdp); |
| 0x5: CVTSD2SI(Gd,Wq); |
| default: UD2(); |
| } |
| default: UD2(); |
| } |
| } |
| 0x06: decode OPCODE_OP_BOTTOM3 { |
| 0x0: Cpl0Inst::WRMSR(); |
| 0x1: Inst::RDTSC(); |
| 0x2: Cpl0Inst::RDMSR(); |
| 0x3: rdpmc(); // privileged |
| 0x4: decode FullSystemInt { |
| 0: SyscallInst::sysenter({{ |
| return std::make_shared<SESyscallFault>(); |
| }}); |
| default: sysenter(); |
| } |
| 0x5: sysexit(); // privileged |
| 0x6: Inst::UD2(); |
| 0x7: getsec(); |
| } |
| 0x07: decode VEX_PRESENT { |
| 0x0: decode OPCODE_OP_BOTTOM3 { |
| 0x0: M5InternalError::error( |
| {{"Three byte opcode shouldn't be handled by " |
| "two_byte_opcodes.isa!"}}); |
| 0x2: M5InternalError::error( |
| {{"Three byte opcode shouldn't be handled by " |
| "two_byte_opcodes.isa!"}}); |
| default: UD2(); |
| } |
| 0x1: UD2(); |
| } |
| 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: SQRTPS(Vo,Wo); |
| 0x2: WarnUnimpl::rqsrtps_Vo_Wo(); |
| 0x3: RCPPS(Vo,Wo); |
| 0x4: ANDPS(Vo,Wo); |
| 0x5: ANDNPS(Vo,Wo); |
| 0x6: ORPS(Vo,Wo); |
| 0x7: XORPS(Vo,Wo); |
| } |
| // repe (0xF3) |
| 0x4: decode OPCODE_OP_BOTTOM3 { |
| 0x1: SQRTSS(Vd,Wd); |
| 0x2: WarnUnimpl::rsqrtss_Vd_Wd(); |
| 0x3: RCPSS(Vd,Wd); |
| default: UD2(); |
| } |
| // operand size (0x66) |
| 0x1: decode OPCODE_OP_BOTTOM3 { |
| 0x0: MOVMSKPD(Gd,VRo); |
| 0x1: SQRTPD(Vo,Wo); |
| 0x4: ANDPD(Vo,Wo); |
| 0x5: ANDNPD(Vo,Wo); |
| 0x6: ORPD(Vo,Wo); |
| 0x7: XORPD(Vo,Wo); |
| default: UD2(); |
| } |
| // repne (0xF2) |
| 0x8: decode OPCODE_OP_BOTTOM3 { |
| 0x1: SQRTSD(Vq,Wq); |
| default: UD2(); |
| } |
| default: UD2(); |
| } |
| 0x0B: decode LEGACY_DECODEVAL { |
| // no prefix |
| 0x0: decode OPCODE_OP_BOTTOM3 { |
| 0x0: ADDPS(Vo,Wo); |
| 0x1: MULPS(Vo,Wo); |
| 0x2: CVTPS2PD(Vo,Wq); |
| 0x3: CVTDQ2PS(Vo,Wo); |
| 0x4: SUBPS(Vo,Wo); |
| 0x5: MINPS(Vo,Wo); |
| 0x6: DIVPS(Vo,Wo); |
| 0x7: MAXPS(Vo,Wo); |
| } |
| // repe (0xF3) |
| 0x4: decode OPCODE_OP_BOTTOM3 { |
| 0x0: ADDSS(Vd,Wd); |
| 0x1: MULSS(Vd,Wd); |
| 0x2: CVTSS2SD(Vq,Wd); |
| 0x3: CVTTPS2DQ(Vo,Wo); |
| 0x4: SUBSS(Vd,Wd); |
| 0x5: MINSS(Vd,Wd); |
| 0x6: DIVSS(Vd,Wd); |
| 0x7: MAXSS(Vd,Wd); |
| } |
| // operand size (0x66) |
| 0x1: decode OPCODE_OP_BOTTOM3 { |
| 0x0: ADDPD(Vo,Wo); |
| 0x1: MULPD(Vo,Wo); |
| 0x2: CVTPD2PS(Vo,Wo); |
| 0x3: CVTPS2DQ(Vo,Wo); |
| 0x4: SUBPD(Vo,Wo); |
| 0x5: MINPD(Vo,Wo); |
| 0x6: DIVPD(Vo,Wo); |
| 0x7: MAXPD(Vo,Wo); |
| } |
| // repne (0xF2) |
| 0x8: decode OPCODE_OP_BOTTOM3 { |
| 0x0: ADDSD(Vq,Wq); |
| 0x1: MULSD(Vq,Wq); |
| 0x2: CVTSD2SS(Vd,Wq); |
| 0x4: SUBSD(Vq,Wq); |
| 0x5: MINSD(Vq,Wq); |
| 0x6: DIVSD(Vq,Wq); |
| 0x7: MAXSD(Vq,Wq); |
| default: UD2(); |
| } |
| default: UD2(); |
| } |
| 0x0C: decode LEGACY_DECODEVAL { |
| // no prefix |
| 0x0: decode OPCODE_OP_BOTTOM3 { |
| 0x0: PUNPCKLBW(Pq,Qd); |
| 0x1: PUNPCKLWD(Pq,Qd); |
| 0x2: PUNPCKLDQ(Pq,Qd); |
| 0x3: PACKSSWB(Pq,Qq); |
| 0x4: PCMPGTB(Pq,Qq); |
| 0x5: PCMPGTW(Pq,Qq); |
| 0x6: PCMPGTD(Pq,Qq); |
| 0x7: PACKUSWB(Pq,Qq); |
| } |
| // operand size (0x66) |
| 0x1: decode OPCODE_OP_BOTTOM3 { |
| 0x0: PUNPCKLBW(Vo,Wq); |
| 0x1: PUNPCKLWD(Vo,Wq); |
| 0x2: PUNPCKLDQ(Vo,Wq); |
| 0x3: PACKSSWB(Vo,Wo); |
| 0x4: PCMPGTB(Vo,Wo); |
| 0x5: PCMPGTW(Vo,Wo); |
| 0x6: PCMPGTD(Vo,Wo); |
| 0x7: PACKUSWB(Vo,Wo); |
| } |
| default: UD2(); |
| } |
| 0x0D: decode LEGACY_DECODEVAL { |
| // no prefix |
| 0x0: decode OPCODE_OP_BOTTOM3 { |
| 0x0: PUNPCKHBW(Pq,Qq); |
| 0x1: PUNPCKHWD(Pq,Qq); |
| 0x2: PUNPCKHDQ(Pq,Qq); |
| 0x3: PACKSSDW(Pq,Qq); |
| 0x6: MOVD(Pq,Edp); |
| 0x7: MOVQ(Pq,Qq); |
| default: UD2(); |
| } |
| // repe (0xF3) |
| 0x4: decode OPCODE_OP_BOTTOM3 { |
| 0x7: MOVDQU(Vo,Wo); |
| default: UD2(); |
| } |
| // operand size (0x66) |
| 0x1: decode OPCODE_OP_BOTTOM3 { |
| 0x0: PUNPCKHBW(Vo,Wo); |
| 0x1: PUNPCKHWD(Vo,Wo); |
| 0x2: PUNPCKHDQ(Vo,Wo); |
| 0x3: PACKSSDW(Vo,Wo); |
| 0x4: PUNPCKLQDQ(Vo,Wq); |
| 0x5: PUNPCKHQDQ(Vo,Wq); |
| 0x6: MOVD(Vo,Edp); |
| 0x7: MOVDQA(Vo,Wo); |
| } |
| default: UD2(); |
| } |
| 0x0E: decode LEGACY_DECODEVAL { |
| // no prefix |
| 0x0: decode OPCODE_OP_BOTTOM3 { |
| 0x0: PSHUFW(Pq,Qq,Ib); |
| //0x1: group12_pshimw(); |
| 0x1: decode MODRM_REG { |
| 0x2: PSRLW(PRq,Ib); |
| 0x4: PSRAW(PRq,Ib); |
| 0x6: PSLLW(PRq,Ib); |
| default: UD2(); |
| } |
| //0x2: group13_pshimd(); |
| 0x2: decode MODRM_REG { |
| 0x2: PSRLD(PRq,Ib); |
| 0x4: PSRAD(PRq,Ib); |
| 0x6: PSLLD(PRq,Ib); |
| default: UD2(); |
| } |
| //0x3: group14_pshimq(); |
| 0x3: decode MODRM_REG { |
| 0x2: PSRLQ(PRq,Ib); |
| 0x6: PSLLQ(PRq,Ib); |
| default: Inst::UD2(); |
| } |
| 0x4: Inst::PCMPEQB(Pq,Qq); |
| 0x5: Inst::PCMPEQW(Pq,Qq); |
| 0x6: Inst::PCMPEQD(Pq,Qq); |
| 0x7: Inst::EMMS(); |
| } |
| // repe (0xF3) |
| 0x4: decode OPCODE_OP_BOTTOM3 { |
| 0x0: PSHUFHW(Vo,Wo,Ib); |
| default: UD2(); |
| } |
| // operand size (0x66) |
| 0x1: decode OPCODE_OP_BOTTOM3 { |
| 0x0: PSHUFD(Vo,Wo,Ib); |
| //0x1: group12_pshimw(); |
| 0x1: decode MODRM_REG { |
| 0x2: PSRLW(VRo,Ib); |
| 0x4: PSRAW(VRo,Ib); |
| 0x6: PSLLW(VRo,Ib); |
| } |
| //0x2: group13_pshimd(); |
| 0x2: decode MODRM_REG { |
| 0x2: PSRLD(VRo,Ib); |
| 0x4: PSRAD(VRo,Ib); |
| 0x6: PSLLD(VRo,Ib); |
| default: UD2(); |
| } |
| //0x3: group14_pshimq(); |
| 0x3: decode MODRM_REG { |
| 0x2: PSRLQ(VRo,Ib); |
| 0x3: PSRLDQ(VRo,Ib); |
| 0x6: PSLLQ(VRo,Ib); |
| 0x7: PSLLDQ(VRo,Ib); |
| default: UD2(); |
| } |
| 0x4: PCMPEQB(Vo,Wo); |
| 0x5: PCMPEQW(Vo,Wo); |
| 0x6: PCMPEQD(Vo,Wo); |
| default: UD2(); |
| } |
| // repne (0xF2) |
| 0x8: decode OPCODE_OP_BOTTOM3 { |
| 0x0: PSHUFLW(Vo,Wo,Ib); |
| default: UD2(); |
| } |
| default: UD2(); |
| } |
| 0x0F: decode LEGACY_DECODEVAL { |
| // no prefix |
| 0x0: decode OPCODE_OP_BOTTOM3 { |
| 0x0: WarnUnimpl::vmread_Edp_Gdp(); |
| 0x1: WarnUnimpl::vmwrite_Gdp_Edp(); |
| 0x6: MOVD(Edp,Pdp); |
| 0x7: MOVQ(Qq,Pq); |
| default: UD2(); |
| } |
| // repe (0xF3) |
| 0x4: decode OPCODE_OP_BOTTOM3 { |
| 0x6: MOVQ(Vq,Wq); |
| 0x7: MOVDQU(Wo,Vo); |
| default: UD2(); |
| } |
| // operand size (0x66) |
| 0x1: decode OPCODE_OP_BOTTOM3 { |
| 0x4: HADDPD(Vo,Wo); |
| 0x5: HSUBPD(Vo, Wo); |
| 0x6: MOVD(Edp,Vd); |
| 0x7: MOVDQA(Wo,Vo); |
| default: UD2(); |
| } |
| // repne (0xF2) |
| 0x8: decode OPCODE_OP_BOTTOM3 { |
| 0x4: HADDPS(Vo,Wo); |
| 0x5: HSUBPS(Vo, Wo); |
| default: UD2(); |
| } |
| default: UD2(); |
| } |
| 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: Inst::PUSH(sFv); |
| 0x1: decode MODE_SUBMODE { |
| 0x3, 0x4: Inst::POP_REAL(sFv); |
| default: pop_fs(); |
| } |
| 0x2: CPUIDInst::CPUID({{ |
| CpuidResult result; |
| bool success = doCpuid(xc->tcBase(), bits(Rax, 31, 0), |
| bits(Rcx, 31, 0), result); |
| if (success) { |
| Rax = result.rax; |
| Rbx = result.rbx; |
| Rcx = result.rcx; |
| Rdx = result.rdx; |
| } else { |
| // It isn't defined what to do in this case. We used to |
| // leave R[abcd]x unmodified, but setting them all to 0 |
| // seems a little safer and more predictable. |
| Rax = 0; |
| Rbx = 0; |
| Rcx = 0; |
| Rdx = 0; |
| } |
| }}); |
| 0x3: Inst::BT(Ev,Gv); |
| 0x4: Inst::SHLD(Ev,Gv,Ib); |
| 0x5: Inst::SHLD(Ev,Gv); |
| default: Inst::UD2(); |
| } |
| 0x15: decode OPCODE_OP_BOTTOM3 { |
| 0x0: Inst::PUSH(sGv); |
| 0x1: decode MODE_SUBMODE { |
| 0x3, 0x4: Inst::POP_REAL(sGv); |
| default: pop_gs(); |
| } |
| 0x2: rsm_smm(); |
| 0x3: Inst::BTS(Ev,Gv); |
| 0x4: Inst::SHRD(Ev,Gv,Ib); |
| 0x5: Inst::SHRD(Ev,Gv); |
| //0x6: group15(); |
| 0x6: decode MODRM_MOD { |
| 0x3: decode MODRM_REG { |
| 0x5: BasicOperate::LFENCE({{/*Nothing*/}}, |
| IsReadBarrier, IsSerializeAfter); |
| 0x6: BasicOperate::MFENCE({{/*Nothing*/}}, |
| IsReadBarrier, IsWriteBarrier); |
| 0x7: BasicOperate::SFENCE({{/*Nothing*/}}, |
| IsWriteBarrier); |
| default: Inst::UD2(); |
| } |
| default: decode MODRM_REG { |
| 0x0: decode OPSIZE { |
| 4: Inst::FXSAVE(M); |
| 8: Inst::FXSAVE64(M); |
| default: fxsave(); |
| } |
| 0x1: decode OPSIZE { |
| 4: Inst::FXRSTOR(M); |
| 8: Inst::FXRSTOR64(M); |
| default: fxrstor(); |
| } |
| 0x2: Inst::LDMXCSR(Md); |
| 0x3: Inst::STMXCSR(Md); |
| 0x4: xsave(); |
| 0x5: xrstor(); |
| 0x6: decode LEGACY_DECODEVAL { |
| 0x0: Inst::UD2(); |
| 0x1: Inst::CLWB(Mb); |
| default: Inst::UD2(); |
| } |
| 0x7: decode LEGACY_DECODEVAL { |
| 0x0: Inst::CLFLUSH(Mb); |
| 0x1: Inst::CLFLUSHOPT(Mb); |
| default: Inst::CLFLUSH(Mb); |
| } |
| } |
| } |
| 0x7: Inst::IMUL(Gv,Ev); |
| } |
| format Inst { |
| 0x16: decode OPCODE_OP_BOTTOM3 { |
| 0x0: CMPXCHG(Eb,Gb); |
| 0x1: CMPXCHG(Ev,Gv); |
| 0x2: decode MODE_SUBMODE { |
| 0x3, 0x4: LSS_REAL(Gz,Mz); |
| default: WarnUnimpl::lss_Gz_Mp(); |
| } |
| 0x3: BTR(Ev,Gv); |
| 0x4: decode MODE_SUBMODE { |
| 0x3, 0x4: LFS_REAL(Gz,Mz); |
| default: WarnUnimpl::lfs_Gz_Mp(); |
| } |
| 0x5: decode MODE_SUBMODE { |
| 0x3, 0x4: LGS_REAL(Gz,Mz); |
| default: WarnUnimpl::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: MOVZX_B(Gv,Ev); |
| 0x7: MOVZX_W(Gv,Ev); |
| } |
| 0x17: decode OPCODE_OP_BOTTOM3 { |
| 0x0: decode LEGACY_REP { |
| 0x1: POPCNT(Gv,Ev); |
| } |
| //0x1: group10_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: BSF(Gv,Ev); |
| 0x5: 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: MOVSX_B(Gv,Ev); |
| 0x7: MOVSX_W(Gv,Ev); |
| } |
| 0x18: decode OPCODE_OP_BOTTOM3 { |
| 0x0: XADD(Eb,Gb); |
| 0x1: XADD(Ev,Gv); |
| //0x7: group9(); |
| 0x7: decode MODRM_REG { |
| //Also CMPXCHG16B |
| 0x1: CMPXCHG8B(Mdp); |
| 0x6: decode LEGACY_OP { |
| 0x1: WarnUnimpl::vmclear_Mq(); |
| default: decode LEGACY_REP { |
| 0x1: WarnUnimpl::vmxon_Mq(); |
| 0x0: WarnUnimpl::vmptrld_Mq(); |
| } |
| } |
| 0x7: WarnUnimpl::vmptrst_Mq(); |
| default: UD2(); |
| } |
| default: decode LEGACY_DECODEVAL { |
| // no prefix |
| 0x0: decode OPCODE_OP_BOTTOM3 { |
| 0x2: CMPPS(Vo,Wo,Ib); |
| //Non-temporal hint is ignored since we don't have |
| //proper support for it in the memory system. |
| 0x3: MOVNTI(Mdp,Gdp); |
| 0x4: PINSRW(Pq,Ew,Ib); |
| 0x5: PEXTRW(Gd,PRq,Ib); |
| 0x6: SHUFPS(Vps,Wps,Ib); |
| } |
| // repe (0xF3) |
| 0x4: decode OPCODE_OP_BOTTOM3 { |
| 0x2: CMPSS(Vd,Wd,Ib); |
| default: UD2(); |
| } |
| // operand size (0x66) |
| 0x1: decode OPCODE_OP_BOTTOM3 { |
| 0x2: CMPPD(Vo,Wo,Ib); |
| 0x4: PINSRW(Vdw,Ew,Ib); |
| 0x5: PEXTRW(Gd,VRdq,Ib); |
| 0x6: SHUFPD(Vpd,Wpd,Ib); |
| default: UD2(); |
| } |
| // repne (0xF2) |
| 0x8: decode OPCODE_OP_BOTTOM3 { |
| 0x2: CMPSD(Vq,Wq,Ib); |
| default: UD2(); |
| } |
| default: UD2(); |
| } |
| } |
| 0x19: decode OPSIZE { |
| 4: BSWAP_D(Bd); |
| 8: BSWAP_Q(Bq); |
| default: 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: UD2(); |
| } |
| // repe (0xF3) |
| 0x4: decode OPCODE_OP_BOTTOM3 { |
| 0x6: MOVQ2DQ(Vo,PRq); |
| default: 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: MOVQ(Wq,Vq); |
| 0x7: PMOVMSKB(Gd,VRo); |
| } |
| // repne (0xF2) |
| 0x8: decode OPCODE_OP_BOTTOM3 { |
| 0x0: WarnUnimpl::addsubps_Vo_Wo(); |
| 0x6: MOVDQ2Q(Pq,VRq); |
| default: UD2(); |
| } |
| default: 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: PAND(Pq,Qq); |
| 0x4: PADDUSB(Pq,Qq); |
| 0x5: PADDUSW(Pq,Qq); |
| 0x6: PMAXUB(Pq,Qq); |
| 0x7: PANDN(Pq,Qq); |
| } |
| // operand size (0x66) |
| 0x1: decode OPCODE_OP_BOTTOM3 { |
| 0x0: PSUBUSB(Vo,Wo); |
| 0x1: PSUBUSW(Vo,Wo); |
| 0x2: PMINUB(Vo,Wo); |
| 0x3: PAND(Vo,Wo); |
| 0x4: PADDUSB(Vo,Wo); |
| 0x5: PADDUSW(Vo,Wo); |
| 0x6: PMAXUB(Vo,Wo); |
| 0x7: PANDN(Vo,Wo); |
| } |
| default: 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); |
| //Non-temporal hint is ignored since we don't have |
| //proper support for it in the memory system. |
| 0x7: MOVNTQ(Mq,Pq); |
| default: UD2(); |
| } |
| // repe (0xF3) |
| 0x4: decode OPCODE_OP_BOTTOM3 { |
| 0x6: CVTDQ2PD(Vo,Wq); |
| default: 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); |
| //MOVNTDQ should really use size o (octword), but |
| //because it is split in two, we use q (quadword). |
| //Non-temporal hint is ignored since we don't have |
| //proper support for it in the memory system. |
| 0x7: MOVNTDQ(Mq,Vq); |
| } |
| // repne (0xF2) |
| 0x8: decode OPCODE_OP_BOTTOM3 { |
| 0x6: CVTPD2DQ(Vo,Wo); |
| default: UD2(); |
| } |
| default: 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: POR(Pq,Qq); |
| 0x4: PADDSB(Pq,Qq); |
| 0x5: PADDSW(Pq,Qq); |
| 0x6: PMAXSW(Pq,Qq); |
| 0x7: PXOR(Pq,Qq); |
| } |
| // operand size (0x66) |
| 0x1: decode OPCODE_OP_BOTTOM3 { |
| 0x0: PSUBSB(Vo,Wo); |
| 0x1: PSUBSW(Vo,Wo); |
| 0x2: PMINSW(Vo,Wo); |
| 0x3: POR(Vo,Wo); |
| 0x4: PADDSB(Vo,Wo); |
| 0x5: PADDSW(Vo,Wo); |
| 0x6: PMAXSW(Vo,Wo); |
| 0x7: PXOR(Vo,Wo); |
| } |
| default: 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: 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: UD2(); |
| } |
| // repne (0xF2) |
| 0x8: decode OPCODE_OP_BOTTOM3 { |
| 0x0: LDDQU(Vo,Mq); |
| default: UD2(); |
| } |
| default: 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: 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: UD2(); |
| } |
| default: UD2(); |
| } |
| } |
| default: FailUnimpl::twoByteOps(); |
| } |
| } |
