faults.hh revision 4661
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() {return _name;} 65 FaultVect vect() {return _vect;} 66 FaultStat & countStat() {return _count;} 67 bool isMachineCheckFault() {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() {return _name;} 78 FaultVect vect() {return _vect;} 79 FaultStat & countStat() {return _count;} 80 bool isAlignmentFault() {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() {return _name;} 91 FaultVect vect() {return _vect;} 92 FaultStat & countStat() {return _count;} 93}; 94 95#if !FULL_SYSTEM 96//class PageTableFault : public MipsFault 97//{ 98//private: 99// Addr vaddr; 100// static FaultName _name; 101// static FaultVect _vect; 102// static FaultStat _count; 103//public: 104// PageTableFault(Addr va) 105// : vaddr(va) {} 106// FaultName name() {return _name;} 107// FaultVect vect() {return _vect;} 108// FaultStat & countStat() {return _count;} 109// void invoke(ThreadContext * tc); 110//}; 111 112static inline Fault genPageTableFault(Addr va) 113{ 114 return new PageTableFault(va); 115} 116#endif 117 118 119static inline Fault genMachineCheckFault() 120{ 121 return new MachineCheckFault; 122} 123 124static inline Fault genAlignmentFault() 125{ 126 return new AlignmentFault; 127} 128 129class ResetFault : public MipsFault 130{ 131 private: 132 static FaultName _name; 133 static FaultVect _vect; 134 static FaultStat _count; 135 public: 136 FaultName name() {return _name;} 137 FaultVect vect() {return _vect;} 138 FaultStat & countStat() {return _count;} 139 void invoke(ThreadContext * tc); 140}; 141 142class CoprocessorUnusableFault : public MipsFault 143{ 144 private: 145 static FaultName _name; 146 static FaultVect _vect; 147 static FaultStat _count; 148 public: 149 FaultName name() {return _name;} 150 FaultVect vect() {return _vect;} 151 FaultStat & countStat() {return _count;} 152 void invoke(ThreadContext * tc); 153}; 154 155class ReservedInstructionFault : public MipsFault 156{ 157 private: 158 static FaultName _name; 159 static FaultVect _vect; 160 static FaultStat _count; 161 public: 162 FaultName name() {return _name;} 163 FaultVect vect() {return _vect;} 164 FaultStat & countStat() {return _count;} 165 void invoke(ThreadContext * tc); 166}; 167 168class ThreadFault : public MipsFault 169{ 170 private: 171 static FaultName _name; 172 static FaultVect _vect; 173 static FaultStat _count; 174 public: 175 FaultName name() {return _name;} 176 FaultVect vect() {return _vect;} 177 FaultStat & countStat() {return _count;} 178 void invoke(ThreadContext * tc); 179}; 180 181 182class ArithmeticFault : public MipsFault 183{ 184 protected: 185 bool skipFaultingInstruction() {return true;} 186 private: 187 static FaultName _name; 188 static FaultVect _vect; 189 static FaultStat _count; 190 public: 191 FaultName name() {return _name;} 192 FaultVect vect() {return _vect;} 193 FaultStat & countStat() {return _count;} 194#if FULL_SYSTEM 195 void invoke(ThreadContext * tc); 196#endif 197}; 198 199class InterruptFault : public MipsFault 200{ 201 protected: 202 bool setRestartAddress() {return false;} 203 private: 204 static FaultName _name; 205 static FaultVect _vect; 206 static FaultStat _count; 207 public: 208 FaultName name() {return _name;} 209 FaultVect vect() {return _vect;} 210 FaultStat & countStat() {return _count;} 211}; 212 213class NDtbMissFault : public MipsFault 214{ 215 private: 216 static FaultName _name; 217 static FaultVect _vect; 218 static FaultStat _count; 219 public: 220 FaultName name() {return _name;} 221 FaultVect vect() {return _vect;} 222 FaultStat & countStat() {return _count;} 223}; 224 225class PDtbMissFault : public MipsFault 226{ 227 private: 228 static FaultName _name; 229 static FaultVect _vect; 230 static FaultStat _count; 231 public: 232 FaultName name() {return _name;} 233 FaultVect vect() {return _vect;} 234 FaultStat & countStat() {return _count;} 235}; 236 237class DtbPageFault : public MipsFault 238{ 239 private: 240 static FaultName _name; 241 static FaultVect _vect; 242 static FaultStat _count; 243 public: 244 FaultName name() {return _name;} 245 FaultVect vect() {return _vect;} 246 FaultStat & countStat() {return _count;} 247}; 248 249class DtbAcvFault : public MipsFault 250{ 251 private: 252 static FaultName _name; 253 static FaultVect _vect; 254 static FaultStat _count; 255 public: 256 FaultName name() {return _name;} 257 FaultVect vect() {return _vect;} 258 FaultStat & countStat() {return _count;} 259}; 260 261class ItbMissFault : public MipsFault 262{ 263 private: 264 static FaultName _name; 265 static FaultVect _vect; 266 static FaultStat _count; 267 public: 268 FaultName name() {return _name;} 269 FaultVect vect() {return _vect;} 270 FaultStat & countStat() {return _count;} 271}; 272 273class ItbPageFault : public MipsFault 274{ 275 private: 276 static FaultName _name; 277 static FaultVect _vect; 278 static FaultStat _count; 279 public: 280 FaultName name() {return _name;} 281 FaultVect vect() {return _vect;} 282 FaultStat & countStat() {return _count;} 283}; 284 285class ItbAcvFault : public MipsFault 286{ 287 private: 288 static FaultName _name; 289 static FaultVect _vect; 290 static FaultStat _count; 291 public: 292 FaultName name() {return _name;} 293 FaultVect vect() {return _vect;} 294 FaultStat & countStat() {return _count;} 295}; 296 297class FloatEnableFault : public MipsFault 298{ 299 private: 300 static FaultName _name; 301 static FaultVect _vect; 302 static FaultStat _count; 303 public: 304 FaultName name() {return _name;} 305 FaultVect vect() {return _vect;} 306 FaultStat & countStat() {return _count;} 307}; 308 309class IntegerOverflowFault : public MipsFault 310{ 311 private: 312 static FaultName _name; 313 static FaultVect _vect; 314 static FaultStat _count; 315 public: 316 FaultName name() {return _name;} 317 FaultVect vect() {return _vect;} 318 FaultStat & countStat() {return _count;} 319}; 320 321class DspStateDisabledFault : public MipsFault 322{ 323 private: 324 static FaultName _name; 325 static FaultVect _vect; 326 static FaultStat _count; 327 public: 328 FaultName name() {return _name;} 329 FaultVect vect() {return _vect;} 330 FaultStat & countStat() {return _count;} 331 void invoke(ThreadContext * tc); 332}; 333 334} // MipsISA namespace 335 336#endif // __FAULTS_HH__ 337