1/* 2 * Copyright (c) 2003-2005 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; 9 * redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution; 12 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Authors: Gabe Black 29 * Korey Sewell 30 */ 31 32#ifndef __MIPS_FAULTS_HH__ 33#define __MIPS_FAULTS_HH__ 34 35#include "sim/faults.hh" 36 37// The design of the "name" and "vect" functions is in sim/faults.hh 38 39namespace MipsISA 40{ 41 42typedef const Addr FaultVect; 43 44class MipsFault : public FaultBase 45{ 46 protected: 47 virtual bool skipFaultingInstruction() {return false;} 48 virtual bool setRestartAddress() {return true;} 49 public: 50#if FULL_SYSTEM 51 void invoke(ThreadContext * tc); 52#endif 53 virtual FaultVect vect() = 0; 54 virtual FaultStat & countStat() = 0; 55}; 56 57class MachineCheckFault : public MipsFault 58{ 59 private: 60 static FaultName _name; 61 static FaultVect _vect; 62 static FaultStat _count; 63 public: 64 FaultName name() const {return _name;} 65 FaultVect vect() {return _vect;} 66 FaultStat & countStat() {return _count;} 67 bool isMachineCheckFault() const {return true;} 68}; 69 70class AlignmentFault : public MipsFault 71{ 72 private: 73 static FaultName _name; 74 static FaultVect _vect; 75 static FaultStat _count; 76 public: 77 FaultName name() const {return _name;} 78 FaultVect vect() {return _vect;} 79 FaultStat & countStat() {return _count;} 80 bool isAlignmentFault() const {return true;} 81}; 82 83class UnimplementedOpcodeFault : public MipsFault 84{ 85 private: 86 static FaultName _name; 87 static FaultVect _vect; 88 static FaultStat _count; 89 public: 90 FaultName name() const {return _name;} 91 FaultVect vect() {return _vect;} 92 FaultStat & countStat() {return _count;} 93}; 94 |
95static inline Fault genMachineCheckFault() 96{ 97 return new MachineCheckFault; 98} 99 |
100class ResetFault : public MipsFault 101{ 102 private: 103 static FaultName _name; 104 static FaultVect _vect; 105 static FaultStat _count; 106 public: 107 FaultName name() const {return _name;} 108 FaultVect vect() {return _vect;} 109 FaultStat & countStat() {return _count;} 110 void invoke(ThreadContext * tc); 111}; 112 113class CoprocessorUnusableFault : public MipsFault 114{ 115 private: 116 static FaultName _name; 117 static FaultVect _vect; 118 static FaultStat _count; 119 public: 120 FaultName name() const {return _name;} 121 FaultVect vect() {return _vect;} 122 FaultStat & countStat() {return _count;} 123 void invoke(ThreadContext * tc); 124}; 125 126class ReservedInstructionFault : public MipsFault 127{ 128 private: 129 static FaultName _name; 130 static FaultVect _vect; 131 static FaultStat _count; 132 public: 133 FaultName name() const {return _name;} 134 FaultVect vect() {return _vect;} 135 FaultStat & countStat() {return _count;} 136 void invoke(ThreadContext * tc); 137}; 138 139class ThreadFault : public MipsFault 140{ 141 private: 142 static FaultName _name; 143 static FaultVect _vect; 144 static FaultStat _count; 145 public: 146 FaultName name() const {return _name;} 147 FaultVect vect() {return _vect;} 148 FaultStat & countStat() {return _count;} 149 void invoke(ThreadContext * tc); 150}; 151 152 153class ArithmeticFault : public MipsFault 154{ 155 protected: 156 bool skipFaultingInstruction() {return true;} 157 private: 158 static FaultName _name; 159 static FaultVect _vect; 160 static FaultStat _count; 161 public: 162 FaultName name() const {return _name;} 163 FaultVect vect() {return _vect;} 164 FaultStat & countStat() {return _count;} 165#if FULL_SYSTEM 166 void invoke(ThreadContext * tc); 167#endif 168}; 169 170class InterruptFault : public MipsFault 171{ 172 protected: 173 bool setRestartAddress() {return false;} 174 private: 175 static FaultName _name; 176 static FaultVect _vect; 177 static FaultStat _count; 178 public: 179 FaultName name() const {return _name;} 180 FaultVect vect() {return _vect;} 181 FaultStat & countStat() {return _count;} 182}; 183 184class NDtbMissFault : public MipsFault 185{ 186 private: 187 static FaultName _name; 188 static FaultVect _vect; 189 static FaultStat _count; 190 public: 191 FaultName name() const {return _name;} 192 FaultVect vect() {return _vect;} 193 FaultStat & countStat() {return _count;} 194}; 195 196class PDtbMissFault : public MipsFault 197{ 198 private: 199 static FaultName _name; 200 static FaultVect _vect; 201 static FaultStat _count; 202 public: 203 FaultName name() const {return _name;} 204 FaultVect vect() {return _vect;} 205 FaultStat & countStat() {return _count;} 206}; 207 208class DtbPageFault : public MipsFault 209{ 210 private: 211 static FaultName _name; 212 static FaultVect _vect; 213 static FaultStat _count; 214 public: 215 FaultName name() const {return _name;} 216 FaultVect vect() {return _vect;} 217 FaultStat & countStat() {return _count;} 218}; 219 220class DtbAcvFault : public MipsFault 221{ 222 private: 223 static FaultName _name; 224 static FaultVect _vect; 225 static FaultStat _count; 226 public: 227 FaultName name() const {return _name;} 228 FaultVect vect() {return _vect;} 229 FaultStat & countStat() {return _count;} 230}; 231 232class ItbMissFault : public MipsFault 233{ 234 private: 235 static FaultName _name; 236 static FaultVect _vect; 237 static FaultStat _count; 238 public: 239 FaultName name() const {return _name;} 240 FaultVect vect() {return _vect;} 241 FaultStat & countStat() {return _count;} 242}; 243 244class ItbPageFault : public MipsFault 245{ 246 private: 247 static FaultName _name; 248 static FaultVect _vect; 249 static FaultStat _count; 250 public: 251 FaultName name() const {return _name;} 252 FaultVect vect() {return _vect;} 253 FaultStat & countStat() {return _count;} 254}; 255 256class ItbAcvFault : public MipsFault 257{ 258 private: 259 static FaultName _name; 260 static FaultVect _vect; 261 static FaultStat _count; 262 public: 263 FaultName name() const {return _name;} 264 FaultVect vect() {return _vect;} 265 FaultStat & countStat() {return _count;} 266}; 267 268class FloatEnableFault : public MipsFault 269{ 270 private: 271 static FaultName _name; 272 static FaultVect _vect; 273 static FaultStat _count; 274 public: 275 FaultName name() const {return _name;} 276 FaultVect vect() {return _vect;} 277 FaultStat & countStat() {return _count;} 278}; 279 280class IntegerOverflowFault : public MipsFault 281{ 282 private: 283 static FaultName _name; 284 static FaultVect _vect; 285 static FaultStat _count; 286 public: 287 FaultName name() const {return _name;} 288 FaultVect vect() {return _vect;} 289 FaultStat & countStat() {return _count;} 290}; 291 292class DspStateDisabledFault : public MipsFault 293{ 294 private: 295 static FaultName _name; 296 static FaultVect _vect; 297 static FaultStat _count; 298 public: 299 FaultName name() const {return _name;} 300 FaultVect vect() {return _vect;} 301 FaultStat & countStat() {return _count;} 302 void invoke(ThreadContext * tc); 303}; 304 305} // MipsISA namespace 306 307#endif // __FAULTS_HH__ |