utility.hh revision 4148:990c4663ce96
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_UTILITY_HH__ 59#define __ARCH_X86_UTILITY_HH__ 60 61#include "arch/x86/types.hh" 62#include "base/misc.hh" 63 64class ThreadContext; 65 66namespace X86ISA 67{ 68 static inline bool 69 inUserMode(ThreadContext *tc) 70 { 71 return false; 72 } 73 74 inline ExtMachInst 75 makeExtMI(MachInst inst, ThreadContext * xc) { 76 return inst; 77 } 78 79 inline bool isCallerSaveIntegerRegister(unsigned int reg) { 80 panic("register classification not implemented"); 81 return false; 82 } 83 84 inline bool isCalleeSaveIntegerRegister(unsigned int reg) { 85 panic("register classification not implemented"); 86 return false; 87 } 88 89 inline bool isCallerSaveFloatRegister(unsigned int reg) { 90 panic("register classification not implemented"); 91 return false; 92 } 93 94 inline bool isCalleeSaveFloatRegister(unsigned int reg) { 95 panic("register classification not implemented"); 96 return false; 97 } 98 99 // Instruction address compression hooks 100 inline Addr realPCToFetchPC(const Addr &addr) 101 { 102 return addr; 103 } 104 105 inline Addr fetchPCToRealPC(const Addr &addr) 106 { 107 return addr; 108 } 109 110 // the size of "fetched" instructions (not necessarily the size 111 // of real instructions for PISA) 112 inline size_t fetchInstSize() 113 { 114 return sizeof(MachInst); 115 } 116 117 /** 118 * Function to insure ISA semantics about 0 registers. 119 * @param tc The thread context. 120 */ 121 template <class TC> 122 void zeroRegisters(TC *tc); 123 124 inline void initCPU(ThreadContext *tc, int cpuId) 125 { 126 panic("initCPU not implemented!\n"); 127 } 128}; 129 130#endif // __ARCH_X86_UTILITY_HH__ 131