| // 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: lldt_Mw_or_Rv(); |
| 0x3: ltr_Mw_or_Rv(); |
| 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: smsw_Rv(); |
| 0x6: lmsw_Rv(); |
| 0x7: decode MODRM_RM { |
| 0x0: 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: smsw_Mw(); |
| 0x6: 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... ? |
| 0x04: loadall_or_reset_or_hang(); |
| #if FULL_SYSTEM |
| 0x05: syscall(); |
| #else |
| 0x05: SyscallInst::syscall('xc->syscall(rax)', IsSyscall); |
| #endif |
| 0x06: clts(); |
| //sandpile.org says (AMD) after sysret, so I might want to check |
| //if that means amd64 or AMD machines |
| 0x07: loadall_or_sysret(); |
| } |
| 0x01: decode OPCODE_OP_BOTTOM3 { |
| 0x0: invd(); |
| 0x1: wbinvd(); |
| 0x2: Inst::UD2(); |
| 0x3: Inst::UD2(); |
| 0x4: Inst::UD2(); |
| 0x5: threednow(); |
| 0x6: threednow(); |
| 0x7: 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: unpcklps(); |
| 0x5: unpckhps(); |
| 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: unpcklpd_Vo_Wq(); |
| 0x5: 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: prefetch_t0(); |
| 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: mov_Rd_Dd(); |
| 0x2: Inst::MOV(Cd,Rd); |
| 0x3: 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: rdtsc(); |
| 0x2: Inst::RDMSR(); |
| 0x3: rdpmc(); |
| 0x4: sysenter(); |
| 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: sqrtps_Vo_Wo(); |
| 0x2: 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: rsqrtss_Vd_Wd(); |
| 0x3: rcpss_Vd_Wd(); |
| default: Inst::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(); |
| //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: 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: Inst::ADDSD(Vq,Wq); |
| 0x1: Inst::MULSD(Vq,Wq); |
| 0x2: cvtsd2ss_Vd_Wq(); |
| 0x4: Inst::SUBSD(Vq,Wq); |
| 0x5: minsd_Vq_Wq(); |
| 0x6: Inst::DIVSD(Vq,Wq); |
| 0x7: maxsd_Vq_Wq(); |
| default: Inst::UD2(); |
| } |
| default: Inst::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: Inst::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_Ed(); |
| 0x7: 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: punpckhbw_Vo_Wo(); |
| 0x1: punpckhwd_Vo_Wo(); |
| 0x2: punpckhdq_Vo_Wo(); |
| 0x3: packssdw_Vo_Wo(); |
| 0x4: punpcklqdq_Vo_Wq(); |
| 0x5: punpcklqdq_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: mov_Ed_Pd(); |
| 0x7: mov_Qq_Pq(); |
| default: Inst::UD2(); |
| } |
| // repe (0xF3) |
| 0x4: decode OPCODE_OP_BOTTOM3 { |
| 0x6: movq_Vo_Mq_or_Vq_Vq(); |
| 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: Inst::CPUID(rAd); |
| 0x3: Inst::BT(Ev,Gv); |
| 0x4: shld_Ev_Gv_Ib(); |
| 0x5: shld_Ev_Gv_rCl(); |
| 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: shrd_Ev_Gv_Ib(); |
| 0x5: shrd_Ev_Gv_rCl(); |
| //0x6: group16(); |
| 0x6: decode MODRM_MOD { |
| 0x3: decode MODRM_REG { |
| 0x5: lfence(); |
| 0x6: mfence(); |
| 0x7: sfence(); |
| default: Inst::UD2(); |
| } |
| default: decode MODRM_REG { |
| 0x0: fxsave(); |
| 0x1: fxrstor(); |
| 0x7: clflush(); |
| 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: xadd_Eb_Gb(); |
| 0x1: xadd_Ev_Gv(); |
| //0x7: group9(); |
| 0x7: decode MODRM_REG { |
| 0x1: cmpxchg_Mq(); |
| 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: subps_Vo_Wo(); |
| 0x5: 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: subpd_Vo_Wo(); |
| 0x5: 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: bswap_B(); |
| 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: decode MODRM_MOD { |
| 0x3: movq_Vq_Vq(); |
| default: movq_Mq_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: 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: 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: 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: Inst::UD2(); |
| } |
| 0x1E: decode OPCODE_OP_BOTTOM3 { |
| // 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!"}}); |
| } |
