microregop.hh revision 4688
1/* 2 * Copyright (c) 2007 The Hewlett-Packard Development Company 3 * All rights reserved. 4 * 5 * Redistribution and use of this software in source and binary forms, 6 * with or without modification, are permitted provided that the 7 * following conditions are met: 8 * 9 * The software must be used only for Non-Commercial Use which means any 10 * use which is NOT directed to receiving any direct monetary 11 * compensation for, or commercial advantage from such use. Illustrative 12 * examples of non-commercial use are academic research, personal study, 13 * teaching, education and corporate research & development. 14 * Illustrative examples of commercial use are distributing products for 15 * commercial advantage and providing services using the software for 16 * commercial advantage. 17 * 18 * If you wish to use this software or functionality therein that may be 19 * covered by patents for commercial use, please contact: 20 * Director of Intellectual Property Licensing 21 * Office of Strategy and Technology 22 * Hewlett-Packard Company 23 * 1501 Page Mill Road 24 * Palo Alto, California 94304 25 * 26 * Redistributions of source code must retain the above copyright notice, 27 * this list of conditions and the following disclaimer. Redistributions 28 * in binary form must reproduce the above copyright notice, this list of 29 * conditions and the following disclaimer in the documentation and/or 30 * other materials provided with the distribution. Neither the name of 31 * the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its 32 * contributors may be used to endorse or promote products derived from 33 * this software without specific prior written permission. No right of 34 * sublicense is granted herewith. Derivatives of the software and 35 * output created using the software may be prepared, but only for 36 * Non-Commercial Uses. Derivatives of the software may be shared with 37 * others provided: (i) the others agree to abide by the list of 38 * conditions herein which includes the Non-Commercial Use restrictions; 39 * and (ii) such Derivatives of the software include the above copyright 40 * notice to acknowledge the contribution from this software where 41 * applicable, this list of conditions and the disclaimer below. 42 * 43 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 44 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 45 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 46 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 47 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 48 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 49 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 50 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 51 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 52 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 53 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 54 * 55 * Authors: Gabe Black 56 */ 57 58#ifndef __ARCH_X86_INSTS_MICROREGOP_HH__ 59#define __ARCH_X86_INSTS_MICROREGOP_HH__ 60 61#include "arch/x86/insts/microop.hh" 62 63namespace X86ISA 64{ 65 namespace ConditionTests 66 { 67 enum CondTest { 68 True, 69 NotFalse = True, 70 ECF, 71 EZF, 72 SZnZF, 73 MSTRZ, 74 STRZ, 75 MSTRC, 76 STRZnZF, 77 OF, 78 CF, 79 ZF, 80 CvZF, 81 SF, 82 PF, 83 SxOF, 84 SxOvZF, 85 86 False, 87 NotTrue = False, 88 NotECF, 89 NotEZF, 90 NotSZnZF, 91 NotMSTRZ, 92 NotSTRZ, 93 NotMSTRC, 94 NotSTRZnZF, 95 NotOF, 96 NotCF, 97 NotZF, 98 NotCvZF, 99 NotSF, 100 NotPF, 101 NotSxOF, 102 NotSxOvZF 103 }; 104 } 105 106 /** 107 * Base classes for RegOps which provides a generateDisassembly method. 108 */ 109 class RegOpBase : public X86MicroopBase 110 { 111 protected: 112 const RegIndex src1; 113 const RegIndex dest; 114 const uint8_t dataSize; 115 const uint16_t ext; 116 117 // Constructor 118 RegOpBase(ExtMachInst _machInst, 119 const char *mnem, const char *_instMnem, 120 bool isMicro, bool isDelayed, 121 bool isFirst, bool isLast, 122 RegIndex _src1, RegIndex _dest, 123 uint8_t _dataSize, uint16_t _ext, 124 OpClass __opClass) : 125 X86MicroopBase(_machInst, mnem, _instMnem, 126 isMicro, isDelayed, isFirst, isLast, 127 __opClass), 128 src1(_src1), dest(_dest), 129 dataSize(_dataSize), ext(_ext) 130 { 131 } 132 133 //Figure out what the condition code flags should be. 134 uint64_t genFlags(uint64_t oldFlags, uint64_t flagMask, 135 uint64_t _dest, uint64_t _src1, uint64_t _src2) const; 136 bool checkCondition(uint64_t flags) const; 137 }; 138 139 class RegOp : public RegOpBase 140 { 141 protected: 142 const RegIndex src2; 143 144 // Constructor 145 RegOp(ExtMachInst _machInst, 146 const char *mnem, const char *_instMnem, 147 bool isMicro, bool isDelayed, 148 bool isFirst, bool isLast, 149 RegIndex _src1, RegIndex _src2, RegIndex _dest, 150 uint8_t _dataSize, uint16_t _ext, 151 OpClass __opClass) : 152 RegOpBase(_machInst, mnem, _instMnem, 153 isMicro, isDelayed, isFirst, isLast, 154 _src1, _dest, _dataSize, _ext, 155 __opClass), 156 src2(_src2) 157 { 158 } 159 160 std::string generateDisassembly(Addr pc, 161 const SymbolTable *symtab) const; 162 }; 163 164 class RegOpImm : public RegOpBase 165 { 166 protected: 167 const uint8_t imm8; 168 169 // Constructor 170 RegOpImm(ExtMachInst _machInst, 171 const char * mnem, const char *_instMnem, 172 bool isMicro, bool isDelayed, 173 bool isFirst, bool isLast, 174 RegIndex _src1, uint8_t _imm8, RegIndex _dest, 175 uint8_t _dataSize, uint16_t _ext, 176 OpClass __opClass) : 177 RegOpBase(_machInst, mnem, _instMnem, 178 isMicro, isDelayed, isFirst, isLast, 179 _src1, _dest, _dataSize, _ext, 180 __opClass), 181 imm8(_imm8) 182 { 183 } 184 185 std::string generateDisassembly(Addr pc, 186 const SymbolTable *symtab) const; 187 }; 188} 189 190#endif //__ARCH_X86_INSTS_MICROREGOP_HH__ 191