utility.hh revision 4154:3c6a2c86e8aa
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#include "sim/host.hh" 64 65class ThreadContext; 66 67namespace X86ISA 68{ 69 static inline bool 70 inUserMode(ThreadContext *tc) 71 { 72 return false; 73 } 74 75 inline ExtMachInst 76 makeExtMI(MachInst inst, ThreadContext * xc) { 77 return inst; 78 } 79 80 inline bool isCallerSaveIntegerRegister(unsigned int reg) { 81 panic("register classification not implemented"); 82 return false; 83 } 84 85 inline bool isCalleeSaveIntegerRegister(unsigned int reg) { 86 panic("register classification not implemented"); 87 return false; 88 } 89 90 inline bool isCallerSaveFloatRegister(unsigned int reg) { 91 panic("register classification not implemented"); 92 return false; 93 } 94 95 inline bool isCalleeSaveFloatRegister(unsigned int reg) { 96 panic("register classification not implemented"); 97 return false; 98 } 99 100 // Instruction address compression hooks 101 inline Addr realPCToFetchPC(const Addr &addr) 102 { 103 return addr; 104 } 105 106 inline Addr fetchPCToRealPC(const Addr &addr) 107 { 108 return addr; 109 } 110 111 // the size of "fetched" instructions (not necessarily the size 112 // of real instructions for PISA) 113 inline size_t fetchInstSize() 114 { 115 return sizeof(MachInst); 116 } 117 118 /** 119 * Function to insure ISA semantics about 0 registers. 120 * @param tc The thread context. 121 */ 122 template <class TC> 123 void zeroRegisters(TC *tc); 124 125 inline void initCPU(ThreadContext *tc, int cpuId) 126 { 127 panic("initCPU not implemented!\n"); 128 } 129}; 130 131#endif // __ARCH_X86_UTILITY_HH__ 132