microldstop.hh revision 4804
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 * 54679Sgblack@eecs.umich.edu * Redistribution and use of this software in source and binary forms, 64679Sgblack@eecs.umich.edu * with or without modification, are permitted provided that the 74679Sgblack@eecs.umich.edu * following conditions are met: 84679Sgblack@eecs.umich.edu * 94679Sgblack@eecs.umich.edu * The software must be used only for Non-Commercial Use which means any 104679Sgblack@eecs.umich.edu * use which is NOT directed to receiving any direct monetary 114679Sgblack@eecs.umich.edu * compensation for, or commercial advantage from such use. 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IN NO EVENT SHALL THE COPYRIGHT 474679Sgblack@eecs.umich.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 484679Sgblack@eecs.umich.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 494679Sgblack@eecs.umich.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 504679Sgblack@eecs.umich.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 514679Sgblack@eecs.umich.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 524679Sgblack@eecs.umich.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 534679Sgblack@eecs.umich.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 544679Sgblack@eecs.umich.edu * 554679Sgblack@eecs.umich.edu * Authors: Gabe Black 564679Sgblack@eecs.umich.edu */ 574679Sgblack@eecs.umich.edu 584679Sgblack@eecs.umich.edu#ifndef __ARCH_X86_INSTS_MICROLDSTOP_HH__ 594679Sgblack@eecs.umich.edu#define __ARCH_X86_INSTS_MICROLDSTOP_HH__ 604679Sgblack@eecs.umich.edu 614679Sgblack@eecs.umich.edu#include "arch/x86/insts/microop.hh" 624679Sgblack@eecs.umich.edu 634679Sgblack@eecs.umich.edunamespace X86ISA 644679Sgblack@eecs.umich.edu{ 654679Sgblack@eecs.umich.edu /** 664679Sgblack@eecs.umich.edu * Base class for load and store ops 674679Sgblack@eecs.umich.edu */ 684679Sgblack@eecs.umich.edu class LdStOp : public X86MicroopBase 694679Sgblack@eecs.umich.edu { 704679Sgblack@eecs.umich.edu protected: 714679Sgblack@eecs.umich.edu const uint8_t scale; 724679Sgblack@eecs.umich.edu const RegIndex index; 734679Sgblack@eecs.umich.edu const RegIndex base; 744679Sgblack@eecs.umich.edu const uint64_t disp; 754679Sgblack@eecs.umich.edu const uint8_t segment; 764679Sgblack@eecs.umich.edu const RegIndex data; 774679Sgblack@eecs.umich.edu const uint8_t dataSize; 784679Sgblack@eecs.umich.edu const uint8_t addressSize; 794804Sgblack@eecs.umich.edu RegIndex foldOBit, foldABit; 804679Sgblack@eecs.umich.edu 814679Sgblack@eecs.umich.edu //Constructor 824679Sgblack@eecs.umich.edu LdStOp(ExtMachInst _machInst, 834679Sgblack@eecs.umich.edu const char * mnem, const char * _instMnem, 844679Sgblack@eecs.umich.edu bool isMicro, bool isDelayed, bool isFirst, bool isLast, 854679Sgblack@eecs.umich.edu uint8_t _scale, RegIndex _index, RegIndex _base, 864679Sgblack@eecs.umich.edu uint64_t _disp, uint8_t _segment, 874679Sgblack@eecs.umich.edu RegIndex _data, 884679Sgblack@eecs.umich.edu uint8_t _dataSize, uint8_t _addressSize, 894679Sgblack@eecs.umich.edu OpClass __opClass) : 904679Sgblack@eecs.umich.edu X86MicroopBase(machInst, mnem, _instMnem, 914679Sgblack@eecs.umich.edu isMicro, isDelayed, isFirst, isLast, __opClass), 924679Sgblack@eecs.umich.edu scale(_scale), index(_index), base(_base), 934679Sgblack@eecs.umich.edu disp(_disp), segment(_segment), 944679Sgblack@eecs.umich.edu data(_data), 954679Sgblack@eecs.umich.edu dataSize(_dataSize), addressSize(_addressSize) 964804Sgblack@eecs.umich.edu { 974804Sgblack@eecs.umich.edu foldOBit = (dataSize == 1 && !_machInst.rex.present) ? 1 << 6 : 0; 984804Sgblack@eecs.umich.edu foldABit = 994804Sgblack@eecs.umich.edu (addressSize == 1 && !_machInst.rex.present) ? 1 << 6 : 0; 1004804Sgblack@eecs.umich.edu } 1014679Sgblack@eecs.umich.edu 1024679Sgblack@eecs.umich.edu std::string generateDisassembly(Addr pc, 1034679Sgblack@eecs.umich.edu const SymbolTable *symtab) const; 1044767Sgblack@eecs.umich.edu 1054767Sgblack@eecs.umich.edu template<class Context, class MemType> 1064767Sgblack@eecs.umich.edu Fault read(Context *xc, Addr EA, MemType & Mem, unsigned flags) const 1074767Sgblack@eecs.umich.edu { 1084767Sgblack@eecs.umich.edu Fault fault = NoFault; 1094767Sgblack@eecs.umich.edu int size = dataSize; 1104767Sgblack@eecs.umich.edu Addr alignedEA = EA & ~(dataSize - 1); 1114767Sgblack@eecs.umich.edu if (EA != alignedEA) 1124767Sgblack@eecs.umich.edu size *= 2; 1134767Sgblack@eecs.umich.edu switch(size) 1144767Sgblack@eecs.umich.edu { 1154767Sgblack@eecs.umich.edu case 1: 1164767Sgblack@eecs.umich.edu fault = xc->read(alignedEA, (uint8_t&)Mem, flags); 1174767Sgblack@eecs.umich.edu break; 1184767Sgblack@eecs.umich.edu case 2: 1194767Sgblack@eecs.umich.edu fault = xc->read(alignedEA, (uint16_t&)Mem, flags); 1204767Sgblack@eecs.umich.edu break; 1214767Sgblack@eecs.umich.edu case 4: 1224767Sgblack@eecs.umich.edu fault = xc->read(alignedEA, (uint32_t&)Mem, flags); 1234767Sgblack@eecs.umich.edu break; 1244767Sgblack@eecs.umich.edu case 8: 1254767Sgblack@eecs.umich.edu fault = xc->read(alignedEA, (uint64_t&)Mem, flags); 1264767Sgblack@eecs.umich.edu break; 1274767Sgblack@eecs.umich.edu default: 1284767Sgblack@eecs.umich.edu panic("Bad operand size %d!\n", size); 1294767Sgblack@eecs.umich.edu } 1304767Sgblack@eecs.umich.edu return fault; 1314767Sgblack@eecs.umich.edu } 1324767Sgblack@eecs.umich.edu 1334767Sgblack@eecs.umich.edu template<class Context, class MemType> 1344767Sgblack@eecs.umich.edu Fault write(Context *xc, MemType & Mem, Addr EA, unsigned flags) const 1354767Sgblack@eecs.umich.edu { 1364767Sgblack@eecs.umich.edu Fault fault = NoFault; 1374767Sgblack@eecs.umich.edu int size = dataSize; 1384767Sgblack@eecs.umich.edu Addr alignedEA = EA & ~(dataSize - 1); 1394767Sgblack@eecs.umich.edu if (EA != alignedEA) 1404767Sgblack@eecs.umich.edu size *= 2; 1414767Sgblack@eecs.umich.edu switch(size) 1424767Sgblack@eecs.umich.edu { 1434767Sgblack@eecs.umich.edu case 1: 1444767Sgblack@eecs.umich.edu fault = xc->write((uint8_t&)Mem, alignedEA, flags, 0); 1454767Sgblack@eecs.umich.edu break; 1464767Sgblack@eecs.umich.edu case 2: 1474767Sgblack@eecs.umich.edu fault = xc->write((uint16_t&)Mem, alignedEA, flags, 0); 1484767Sgblack@eecs.umich.edu break; 1494767Sgblack@eecs.umich.edu case 4: 1504767Sgblack@eecs.umich.edu fault = xc->write((uint32_t&)Mem, alignedEA, flags, 0); 1514767Sgblack@eecs.umich.edu break; 1524767Sgblack@eecs.umich.edu case 8: 1534767Sgblack@eecs.umich.edu fault = xc->write((uint64_t&)Mem, alignedEA, flags, 0); 1544767Sgblack@eecs.umich.edu break; 1554767Sgblack@eecs.umich.edu default: 1564767Sgblack@eecs.umich.edu panic("Bad operand size %d!\n", size); 1574767Sgblack@eecs.umich.edu } 1584767Sgblack@eecs.umich.edu return fault; 1594767Sgblack@eecs.umich.edu } 1604679Sgblack@eecs.umich.edu }; 1614679Sgblack@eecs.umich.edu} 1624679Sgblack@eecs.umich.edu 1634679Sgblack@eecs.umich.edu#endif //__ARCH_X86_INSTS_MICROLDSTOP_HH__ 164