static_inst.hh revision 4693:ca44a1014212
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_STATICINST_HH__ 59#define __ARCH_X86_INSTS_STATICINST_HH__ 60 61#include "cpu/static_inst.hh" 62 63namespace X86ISA 64{ 65 /** 66 * Base class for all X86 static instructions. 67 */ 68 69 class X86StaticInst : public StaticInst 70 { 71 protected: 72 // Constructor. 73 X86StaticInst(const char *mnem, 74 ExtMachInst _machInst, OpClass __opClass) 75 : StaticInst(mnem, _machInst, __opClass) 76 { 77 } 78 79 std::string generateDisassembly(Addr pc, 80 const SymbolTable *symtab) const; 81 82 void printMnemonic(std::ostream &os, const char * mnemonic) const; 83 void printMnemonic(std::ostream &os, const char * instMnemonic, 84 const char * mnemonic) const; 85 86 void printSegment(std::ostream &os, int segment) const; 87 88 void printReg(std::ostream &os, int reg, int size) const; 89 void printSrcReg(std::ostream &os, int reg, int size) const; 90 void printDestReg(std::ostream &os, int reg, int size) const; 91 92 inline uint64_t merge(uint64_t into, uint64_t val, int size) const 93 { 94 X86IntReg reg; 95 reg = into; 96 //FIXME This needs to be handle high bytes as well 97 switch(size) 98 { 99 case 1: 100 reg.L = val; 101 break; 102 case 2: 103 reg.X = val; 104 break; 105 case 4: 106 //XXX Check if this should be zeroed or sign extended 107 reg = 0; 108 reg.E = val; 109 break; 110 case 8: 111 reg.R = val; 112 break; 113 default: 114 panic("Tried to merge with unrecognized size %d.\n", size); 115 } 116 return val; 117 } 118 119 inline uint64_t pick(uint64_t from, int size) 120 { 121 X86IntReg reg; 122 reg = from; 123 switch(size) 124 { 125 case 1: 126 return reg.L; 127 case 2: 128 return reg.E; 129 case 4: 130 return reg.X; 131 case 8: 132 return reg.R; 133 default: 134 panic("Tried to pick with unrecognized size %d.\n", size); 135 } 136 } 137 }; 138} 139 140#endif //__ARCH_X86_INSTS_STATICINST_HH__ 141