registers.hh revision 4137
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. 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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_REGFILE_HH__ 59#define __ARCH_X86_REGFILE_HH__ 60 61#include "arch/x86/floatregfile.hh" 62#include "arch/x86/intregfile.hh" 63#include "arch/x86/isa_traits.hh" 64#include "arch/x86/miscregfile.hh" 65#include "arch/x86/types.hh" 66#include "sim/host.hh" 67 68#include <string> 69 70class Checkpoint; 71 72namespace X86ISA 73{ 74 class RegFile 75 { 76 protected: 77 Addr rip; //Program Counter 78 Addr nextRip; //Next Program Counter 79 80 public: 81 Addr readPC(); 82 void SetPC(Addr val); 83 84 Addr readNextPC(); 85 void setNextPC(Addr val); 86 87 Addr readNextNPC(); 88 void setNextNPC(Addr val); 89 90 protected: 91 IntRegFile intRegFile; // integer register file 92 FloatRegFile floatRegFile; // floating point register file 93 MiscRegFile miscRegFile; // control register file 94 95 public: 96 97 void clear(); 98 99 int FlattenIntIndex(int reg); 100 101 MiscReg readMiscReg(int miscReg); 102 103 MiscReg readMiscRegWithEffect(int miscReg, ThreadContext *tc); 104 105 void setMiscReg(int miscReg, const MiscReg &val); 106 107 void setMiscRegWithEffect(int miscReg, const MiscReg &val, 108 ThreadContext * tc); 109 110 int instAsid() 111 { 112 //XXX This doesn't make sense in x86 113 return 0; 114 } 115 116 int dataAsid() 117 { 118 //XXX This doesn't make sense in x86 119 return 0; 120 } 121 122 FloatReg readFloatReg(int floatReg, int width); 123 124 FloatReg readFloatReg(int floatReg); 125 126 FloatRegBits readFloatRegBits(int floatReg, int width); 127 128 FloatRegBits readFloatRegBits(int floatReg); 129 130 void setFloatReg(int floatReg, const FloatReg &val, int width); 131 132 void setFloatReg(int floatReg, const FloatReg &val); 133 134 void setFloatRegBits(int floatReg, const FloatRegBits &val, int width); 135 136 void setFloatRegBits(int floatReg, const FloatRegBits &val); 137 138 IntReg readIntReg(int intReg); 139 140 void setIntReg(int intReg, const IntReg &val); 141 142 void serialize(std::ostream &os); 143 void unserialize(Checkpoint *cp, const std::string §ion); 144 145 public: 146 147 void changeContext(RegContextParam param, RegContextVal val); 148 }; 149 150 int flattenIntIndex(ThreadContext * tc, int reg); 151 152 void copyRegs(ThreadContext *src, ThreadContext *dest); 153 154 void copyMiscRegs(ThreadContext *src, ThreadContext *dest); 155 156 int InterruptLevel(uint64_t softint); 157 158}; // namespace X86ISA 159 160#endif // __ARCH_X86_REGFILE_HH__ 161