microregop.hh revision 6345:f9ae7c3a036c
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 /** 66 * Base classes for RegOps which provides a generateDisassembly method. 67 */ 68 class RegOpBase : public X86MicroopBase 69 { 70 protected: 71 const RegIndex src1; 72 const RegIndex dest; 73 const uint8_t dataSize; 74 const uint16_t ext; 75 RegIndex foldOBit; 76 77 // Constructor 78 RegOpBase(ExtMachInst _machInst, 79 const char *mnem, const char *_instMnem, 80 bool isMicro, bool isDelayed, 81 bool isFirst, bool isLast, 82 InstRegIndex _src1, InstRegIndex _dest, 83 uint8_t _dataSize, uint16_t _ext, 84 OpClass __opClass) : 85 X86MicroopBase(_machInst, mnem, _instMnem, 86 isMicro, isDelayed, isFirst, isLast, 87 __opClass), 88 src1(_src1.idx), dest(_dest.idx), 89 dataSize(_dataSize), ext(_ext) 90 { 91 foldOBit = (dataSize == 1 && !_machInst.rex.present) ? 1 << 6 : 0; 92 } 93 94 //Figure out what the condition code flags should be. 95 uint64_t genFlags(uint64_t oldFlags, uint64_t flagMask, 96 uint64_t _dest, uint64_t _src1, uint64_t _src2, 97 bool subtract = false) const; 98 }; 99 100 class RegOp : public RegOpBase 101 { 102 protected: 103 const RegIndex src2; 104 105 // Constructor 106 RegOp(ExtMachInst _machInst, 107 const char *mnem, const char *_instMnem, 108 bool isMicro, bool isDelayed, 109 bool isFirst, bool isLast, 110 InstRegIndex _src1, InstRegIndex _src2, InstRegIndex _dest, 111 uint8_t _dataSize, uint16_t _ext, 112 OpClass __opClass) : 113 RegOpBase(_machInst, mnem, _instMnem, 114 isMicro, isDelayed, isFirst, isLast, 115 _src1, _dest, _dataSize, _ext, 116 __opClass), 117 src2(_src2.idx) 118 { 119 } 120 121 std::string generateDisassembly(Addr pc, 122 const SymbolTable *symtab) const; 123 }; 124 125 class RegOpImm : public RegOpBase 126 { 127 protected: 128 const uint8_t imm8; 129 130 // Constructor 131 RegOpImm(ExtMachInst _machInst, 132 const char * mnem, const char *_instMnem, 133 bool isMicro, bool isDelayed, 134 bool isFirst, bool isLast, 135 InstRegIndex _src1, uint8_t _imm8, InstRegIndex _dest, 136 uint8_t _dataSize, uint16_t _ext, 137 OpClass __opClass) : 138 RegOpBase(_machInst, mnem, _instMnem, 139 isMicro, isDelayed, isFirst, isLast, 140 _src1, _dest, _dataSize, _ext, 141 __opClass), 142 imm8(_imm8) 143 { 144 } 145 146 std::string generateDisassembly(Addr pc, 147 const SymbolTable *symtab) const; 148 }; 149} 150 151#endif //__ARCH_X86_INSTS_MICROREGOP_HH__ 152