static_inst.hh revision 12104
14679Sgblack@eecs.umich.edu/* 24679Sgblack@eecs.umich.edu * Copyright (c) 2007 The Hewlett-Packard Development Company 34679Sgblack@eecs.umich.edu * All rights reserved. 44679Sgblack@eecs.umich.edu * 57087Snate@binkert.org * The license below extends only to copyright in the software and shall 67087Snate@binkert.org * not be construed as granting a license to any other intellectual 77087Snate@binkert.org * property including but not limited to intellectual property relating 87087Snate@binkert.org * to a hardware implementation of the functionality of the software 97087Snate@binkert.org * licensed hereunder. You may use the software subject to the license 107087Snate@binkert.org * terms below provided that you ensure that this notice is replicated 117087Snate@binkert.org * unmodified and in its entirety in all distributions of the software, 127087Snate@binkert.org * modified or unmodified, in source code or in binary form. 134679Sgblack@eecs.umich.edu * 147087Snate@binkert.org * Redistribution and use in source and binary forms, with or without 157087Snate@binkert.org * modification, are permitted provided that the following conditions are 167087Snate@binkert.org * met: redistributions of source code must retain the above copyright 177087Snate@binkert.org * notice, this list of conditions and the following disclaimer; 187087Snate@binkert.org * redistributions in binary form must reproduce the above copyright 197087Snate@binkert.org * notice, this list of conditions and the following disclaimer in the 207087Snate@binkert.org * documentation and/or other materials provided with the distribution; 217087Snate@binkert.org * neither the name of the copyright holders nor the names of its 224679Sgblack@eecs.umich.edu * contributors may be used to endorse or promote products derived from 237087Snate@binkert.org * this software without specific prior written permission. 244679Sgblack@eecs.umich.edu * 254679Sgblack@eecs.umich.edu * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 264679Sgblack@eecs.umich.edu * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 274679Sgblack@eecs.umich.edu * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 284679Sgblack@eecs.umich.edu * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 294679Sgblack@eecs.umich.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 304679Sgblack@eecs.umich.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 314679Sgblack@eecs.umich.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 324679Sgblack@eecs.umich.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 334679Sgblack@eecs.umich.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 344679Sgblack@eecs.umich.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 354679Sgblack@eecs.umich.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 364679Sgblack@eecs.umich.edu * 374679Sgblack@eecs.umich.edu * Authors: Gabe Black 384679Sgblack@eecs.umich.edu */ 394679Sgblack@eecs.umich.edu 404679Sgblack@eecs.umich.edu#ifndef __ARCH_X86_INSTS_STATICINST_HH__ 414679Sgblack@eecs.umich.edu#define __ARCH_X86_INSTS_STATICINST_HH__ 424679Sgblack@eecs.umich.edu 434787Sgblack@eecs.umich.edu#include "base/trace.hh" 444679Sgblack@eecs.umich.edu#include "cpu/static_inst.hh" 458232Snate@binkert.org#include "debug/X86.hh" 464679Sgblack@eecs.umich.edu 474679Sgblack@eecs.umich.edunamespace X86ISA 484679Sgblack@eecs.umich.edu{ 494679Sgblack@eecs.umich.edu /** 506345Sgblack@eecs.umich.edu * Class for register indices passed to instruction constructors. Using a 516345Sgblack@eecs.umich.edu * wrapper struct for these lets take advantage of the compiler's type 526345Sgblack@eecs.umich.edu * checking. 536345Sgblack@eecs.umich.edu */ 5412104Snathanael.premillieu@arm.com struct InstRegIndex : public RegId 556345Sgblack@eecs.umich.edu { 5612104Snathanael.premillieu@arm.com explicit InstRegIndex(RegIndex _idx) : 5712104Snathanael.premillieu@arm.com RegId(computeRegClass(_idx), _idx) {} 5812104Snathanael.premillieu@arm.com 5912104Snathanael.premillieu@arm.com private: 6012104Snathanael.premillieu@arm.com // TODO: As X86 register index definition is highly built on the 6112104Snathanael.premillieu@arm.com // unified space concept, it is easier for the moment to rely on 6212104Snathanael.premillieu@arm.com // an helper function to compute the RegClass. It would be nice 6312104Snathanael.premillieu@arm.com // to fix those definition and get rid of this. 6412104Snathanael.premillieu@arm.com RegClass computeRegClass(RegIndex _idx) { 6512104Snathanael.premillieu@arm.com if (_idx < FP_Reg_Base) { 6612104Snathanael.premillieu@arm.com return IntRegClass; 6712104Snathanael.premillieu@arm.com } else if (_idx < CC_Reg_Base) { 6812104Snathanael.premillieu@arm.com return FloatRegClass; 6912104Snathanael.premillieu@arm.com } else if (_idx < Misc_Reg_Base) { 7012104Snathanael.premillieu@arm.com return CCRegClass; 7112104Snathanael.premillieu@arm.com } else { 7212104Snathanael.premillieu@arm.com return MiscRegClass; 7312104Snathanael.premillieu@arm.com } 7412104Snathanael.premillieu@arm.com } 756345Sgblack@eecs.umich.edu }; 766345Sgblack@eecs.umich.edu 776345Sgblack@eecs.umich.edu /** 784679Sgblack@eecs.umich.edu * Base class for all X86 static instructions. 794679Sgblack@eecs.umich.edu */ 804679Sgblack@eecs.umich.edu 814679Sgblack@eecs.umich.edu class X86StaticInst : public StaticInst 824679Sgblack@eecs.umich.edu { 834679Sgblack@eecs.umich.edu protected: 844679Sgblack@eecs.umich.edu // Constructor. 854679Sgblack@eecs.umich.edu X86StaticInst(const char *mnem, 864679Sgblack@eecs.umich.edu ExtMachInst _machInst, OpClass __opClass) 874679Sgblack@eecs.umich.edu : StaticInst(mnem, _machInst, __opClass) 884679Sgblack@eecs.umich.edu { 894679Sgblack@eecs.umich.edu } 904679Sgblack@eecs.umich.edu 914679Sgblack@eecs.umich.edu std::string generateDisassembly(Addr pc, 924679Sgblack@eecs.umich.edu const SymbolTable *symtab) const; 934679Sgblack@eecs.umich.edu 944679Sgblack@eecs.umich.edu void printMnemonic(std::ostream &os, const char * mnemonic) const; 954679Sgblack@eecs.umich.edu void printMnemonic(std::ostream &os, const char * instMnemonic, 964679Sgblack@eecs.umich.edu const char * mnemonic) const; 974679Sgblack@eecs.umich.edu 984679Sgblack@eecs.umich.edu void printSegment(std::ostream &os, int segment) const; 994679Sgblack@eecs.umich.edu 10012104Snathanael.premillieu@arm.com void printReg(std::ostream &os, RegId reg, int size) const; 1014693Sgblack@eecs.umich.edu void printSrcReg(std::ostream &os, int reg, int size) const; 1024693Sgblack@eecs.umich.edu void printDestReg(std::ostream &os, int reg, int size) const; 1035787Sgblack@eecs.umich.edu void printMem(std::ostream &os, uint8_t segment, 1045787Sgblack@eecs.umich.edu uint8_t scale, RegIndex index, RegIndex base, 1055787Sgblack@eecs.umich.edu uint64_t disp, uint8_t addressSize, bool rip) const; 1064679Sgblack@eecs.umich.edu 1074679Sgblack@eecs.umich.edu inline uint64_t merge(uint64_t into, uint64_t val, int size) const 1084679Sgblack@eecs.umich.edu { 1094808Sgblack@eecs.umich.edu X86IntReg reg = into; 11012104Snathanael.premillieu@arm.com if (_destRegIdx[0].regIdx & IntFoldBit) 1114808Sgblack@eecs.umich.edu { 1124808Sgblack@eecs.umich.edu reg.H = val; 1134808Sgblack@eecs.umich.edu return reg; 1144808Sgblack@eecs.umich.edu } 1154679Sgblack@eecs.umich.edu switch(size) 1164679Sgblack@eecs.umich.edu { 1174679Sgblack@eecs.umich.edu case 1: 1184679Sgblack@eecs.umich.edu reg.L = val; 1194679Sgblack@eecs.umich.edu break; 1204679Sgblack@eecs.umich.edu case 2: 1214679Sgblack@eecs.umich.edu reg.X = val; 1224679Sgblack@eecs.umich.edu break; 1234679Sgblack@eecs.umich.edu case 4: 1244679Sgblack@eecs.umich.edu //XXX Check if this should be zeroed or sign extended 1254679Sgblack@eecs.umich.edu reg = 0; 1264679Sgblack@eecs.umich.edu reg.E = val; 1274679Sgblack@eecs.umich.edu break; 1284679Sgblack@eecs.umich.edu case 8: 1294679Sgblack@eecs.umich.edu reg.R = val; 1304679Sgblack@eecs.umich.edu break; 1314679Sgblack@eecs.umich.edu default: 1324679Sgblack@eecs.umich.edu panic("Tried to merge with unrecognized size %d.\n", size); 1334679Sgblack@eecs.umich.edu } 1344787Sgblack@eecs.umich.edu return reg; 1354679Sgblack@eecs.umich.edu } 1364679Sgblack@eecs.umich.edu 1374808Sgblack@eecs.umich.edu inline uint64_t pick(uint64_t from, int idx, int size) const 1384679Sgblack@eecs.umich.edu { 1394808Sgblack@eecs.umich.edu X86IntReg reg = from; 1404808Sgblack@eecs.umich.edu DPRINTF(X86, "Picking with size %d\n", size); 14112104Snathanael.premillieu@arm.com if (_srcRegIdx[idx].regIdx & IntFoldBit) 1424808Sgblack@eecs.umich.edu return reg.H; 1434679Sgblack@eecs.umich.edu switch(size) 1444679Sgblack@eecs.umich.edu { 1454679Sgblack@eecs.umich.edu case 1: 1464679Sgblack@eecs.umich.edu return reg.L; 1474679Sgblack@eecs.umich.edu case 2: 1484808Sgblack@eecs.umich.edu return reg.X; 1494808Sgblack@eecs.umich.edu case 4: 1504679Sgblack@eecs.umich.edu return reg.E; 1514679Sgblack@eecs.umich.edu case 8: 1524679Sgblack@eecs.umich.edu return reg.R; 1534679Sgblack@eecs.umich.edu default: 1544679Sgblack@eecs.umich.edu panic("Tried to pick with unrecognized size %d.\n", size); 1554679Sgblack@eecs.umich.edu } 1564679Sgblack@eecs.umich.edu } 1575061Sgblack@eecs.umich.edu 1585061Sgblack@eecs.umich.edu inline int64_t signedPick(uint64_t from, int idx, int size) const 1595061Sgblack@eecs.umich.edu { 1605061Sgblack@eecs.umich.edu X86IntReg reg = from; 1615061Sgblack@eecs.umich.edu DPRINTF(X86, "Picking with size %d\n", size); 16212104Snathanael.premillieu@arm.com if (_srcRegIdx[idx].regIdx & IntFoldBit) 1635061Sgblack@eecs.umich.edu return reg.SH; 1645061Sgblack@eecs.umich.edu switch(size) 1655061Sgblack@eecs.umich.edu { 1665061Sgblack@eecs.umich.edu case 1: 1675061Sgblack@eecs.umich.edu return reg.SL; 1685061Sgblack@eecs.umich.edu case 2: 1695061Sgblack@eecs.umich.edu return reg.SX; 1705061Sgblack@eecs.umich.edu case 4: 1715061Sgblack@eecs.umich.edu return reg.SE; 1725061Sgblack@eecs.umich.edu case 8: 1735061Sgblack@eecs.umich.edu return reg.SR; 1745061Sgblack@eecs.umich.edu default: 1755061Sgblack@eecs.umich.edu panic("Tried to pick with unrecognized size %d.\n", size); 1765061Sgblack@eecs.umich.edu } 1775061Sgblack@eecs.umich.edu } 1787720Sgblack@eecs.umich.edu 1797720Sgblack@eecs.umich.edu void 1807720Sgblack@eecs.umich.edu advancePC(PCState &pcState) const 1817720Sgblack@eecs.umich.edu { 1827720Sgblack@eecs.umich.edu pcState.advance(); 1837720Sgblack@eecs.umich.edu } 1844679Sgblack@eecs.umich.edu }; 1854679Sgblack@eecs.umich.edu} 1864679Sgblack@eecs.umich.edu 1874679Sgblack@eecs.umich.edu#endif //__ARCH_X86_INSTS_STATICINST_HH__ 188