faults.hh revision 8545
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 * Kevin Lim 30 */ 31 32#ifndef __ARCH_ALPHA_FAULTS_HH__ 33#define __ARCH_ALPHA_FAULTS_HH__ 34 35#include "arch/alpha/pagetable.hh" 36#include "config/full_system.hh" 37#include "mem/request.hh" 38#include "sim/faults.hh" 39 40// The design of the "name" and "vect" functions is in sim/faults.hh 41 42namespace AlphaISA { 43 44typedef const Addr FaultVect; 45 46class AlphaFault : public FaultBase 47{ 48 protected: 49 virtual bool skipFaultingInstruction() {return false;} 50 virtual bool setRestartAddress() {return true;} 51 public: 52#if FULL_SYSTEM 53 void invoke(ThreadContext * tc, 54 StaticInstPtr inst = StaticInst::nullStaticInstPtr); 55#endif 56 virtual FaultVect vect() = 0; 57 virtual FaultStat & countStat() = 0; 58}; 59 60class MachineCheckFault : public AlphaFault 61{ 62 private: 63 static FaultName _name; 64 static FaultVect _vect; 65 static FaultStat _count; 66 67 public: 68 FaultName name() const {return _name;} 69 FaultVect vect() {return _vect;} 70 FaultStat & countStat() {return _count;} 71 bool isMachineCheckFault() const {return true;} 72}; 73 74class AlignmentFault : public AlphaFault 75{ 76 private: 77 static FaultName _name; 78 static FaultVect _vect; 79 static FaultStat _count; 80 81 public: 82 FaultName name() const {return _name;} 83 FaultVect vect() {return _vect;} 84 FaultStat & countStat() {return _count;} 85 bool isAlignmentFault() const {return true;} 86}; 87 88static inline Fault genMachineCheckFault() 89{ 90 return new MachineCheckFault; 91} 92 93class ResetFault : public AlphaFault 94{ 95 private: 96 static FaultName _name; 97 static FaultVect _vect; 98 static FaultStat _count; 99 100 public: 101 FaultName name() const {return _name;} 102 FaultVect vect() {return _vect;} 103 FaultStat & countStat() {return _count;} 104}; 105 106class ArithmeticFault : public AlphaFault 107{ 108 private: 109 static FaultName _name; 110 static FaultVect _vect; 111 static FaultStat _count; 112 113 protected: 114 bool skipFaultingInstruction() {return true;} 115 116 public: 117 FaultName name() const {return _name;} 118 FaultVect vect() {return _vect;} 119 FaultStat & countStat() {return _count;} 120#if FULL_SYSTEM 121 void invoke(ThreadContext * tc, 122 StaticInstPtr inst = StaticInst::nullStaticInstPtr); 123#endif 124}; 125 126class InterruptFault : public AlphaFault 127{ 128 private: 129 static FaultName _name; 130 static FaultVect _vect; 131 static FaultStat _count; 132 133 protected: 134 bool setRestartAddress() {return false;} 135 136 public: 137 FaultName name() const {return _name;} 138 FaultVect vect() {return _vect;} 139 FaultStat & countStat() {return _count;} 140}; 141 142class DtbFault : public AlphaFault 143{ 144 protected: 145 VAddr vaddr; 146 Request::Flags reqFlags; 147 uint64_t flags; 148 149 public: 150 DtbFault(VAddr _vaddr, Request::Flags _reqFlags, uint64_t _flags) 151 : vaddr(_vaddr), reqFlags(_reqFlags), flags(_flags) 152 { } 153 FaultName name() const = 0; 154 FaultVect vect() = 0; 155 FaultStat & countStat() = 0; 156#if FULL_SYSTEM 157 void invoke(ThreadContext * tc, 158 StaticInstPtr inst = StaticInst::nullStaticInstPtr); 159#endif 160}; 161 162class NDtbMissFault : public DtbFault 163{ 164 private: 165 static FaultName _name; 166 static FaultVect _vect; 167 static FaultStat _count; 168 169 public: 170 NDtbMissFault(VAddr vaddr, Request::Flags reqFlags, uint64_t flags) 171 : DtbFault(vaddr, reqFlags, flags) 172 { } 173 FaultName name() const {return _name;} 174 FaultVect vect() {return _vect;} 175 FaultStat & countStat() {return _count;} 176#if !FULL_SYSTEM 177 void invoke(ThreadContext * tc, 178 StaticInstPtr inst = StaticInst::nullStaticInstPtr); 179#endif 180}; 181 182class PDtbMissFault : public DtbFault 183{ 184 private: 185 static FaultName _name; 186 static FaultVect _vect; 187 static FaultStat _count; 188 189 public: 190 PDtbMissFault(VAddr vaddr, Request::Flags reqFlags, uint64_t flags) 191 : DtbFault(vaddr, reqFlags, flags) 192 { } 193 FaultName name() const {return _name;} 194 FaultVect vect() {return _vect;} 195 FaultStat & countStat() {return _count;} 196}; 197 198class DtbPageFault : public DtbFault 199{ 200 private: 201 static FaultName _name; 202 static FaultVect _vect; 203 static FaultStat _count; 204 205 public: 206 DtbPageFault(VAddr vaddr, Request::Flags reqFlags, uint64_t flags) 207 : DtbFault(vaddr, reqFlags, flags) 208 { } 209 FaultName name() const {return _name;} 210 FaultVect vect() {return _vect;} 211 FaultStat & countStat() {return _count;} 212}; 213 214class DtbAcvFault : public DtbFault 215{ 216 private: 217 static FaultName _name; 218 static FaultVect _vect; 219 static FaultStat _count; 220 221 public: 222 DtbAcvFault(VAddr vaddr, Request::Flags reqFlags, uint64_t flags) 223 : DtbFault(vaddr, reqFlags, flags) 224 { } 225 FaultName name() const {return _name;} 226 FaultVect vect() {return _vect;} 227 FaultStat & countStat() {return _count;} 228}; 229 230class DtbAlignmentFault : public DtbFault 231{ 232 private: 233 static FaultName _name; 234 static FaultVect _vect; 235 static FaultStat _count; 236 237 public: 238 DtbAlignmentFault(VAddr vaddr, Request::Flags reqFlags, uint64_t flags) 239 : DtbFault(vaddr, reqFlags, flags) 240 { } 241 FaultName name() const {return _name;} 242 FaultVect vect() {return _vect;} 243 FaultStat & countStat() {return _count;} 244}; 245 246class ItbFault : public AlphaFault 247{ 248 protected: 249 Addr pc; 250 251 public: 252 ItbFault(Addr _pc) : pc(_pc) { } 253 FaultName name() const = 0; 254 FaultVect vect() = 0; 255 FaultStat & countStat() = 0; 256#if FULL_SYSTEM 257 void invoke(ThreadContext * tc, 258 StaticInstPtr inst = StaticInst::nullStaticInstPtr); 259#endif 260}; 261 262class ItbPageFault : public ItbFault 263{ 264 private: 265 static FaultName _name; 266 static FaultVect _vect; 267 static FaultStat _count; 268 269 public: 270 ItbPageFault(Addr pc) : ItbFault(pc) { } 271 FaultName name() const {return _name;} 272 FaultVect vect() {return _vect;} 273 FaultStat & countStat() {return _count;} 274#if !FULL_SYSTEM 275 void invoke(ThreadContext * tc, 276 StaticInstPtr inst = StaticInst::nullStaticInstPtr); 277#endif 278}; 279 280class ItbAcvFault : public ItbFault 281{ 282 private: 283 static FaultName _name; 284 static FaultVect _vect; 285 static FaultStat _count; 286 287 public: 288 ItbAcvFault(Addr pc) : ItbFault(pc) { } 289 FaultName name() const {return _name;} 290 FaultVect vect() {return _vect;} 291 FaultStat & countStat() {return _count;} 292}; 293 294class UnimplementedOpcodeFault : public AlphaFault 295{ 296 private: 297 static FaultName _name; 298 static FaultVect _vect; 299 static FaultStat _count; 300 301 public: 302 FaultName name() const {return _name;} 303 FaultVect vect() {return _vect;} 304 FaultStat & countStat() {return _count;} 305}; 306 307class FloatEnableFault : public AlphaFault 308{ 309 private: 310 static FaultName _name; 311 static FaultVect _vect; 312 static FaultStat _count; 313 314 public: 315 FaultName name() const {return _name;} 316 FaultVect vect() {return _vect;} 317 FaultStat & countStat() {return _count;} 318}; 319 320class PalFault : public AlphaFault 321{ 322 private: 323 static FaultName _name; 324 static FaultVect _vect; 325 static FaultStat _count; 326 327 protected: 328 bool skipFaultingInstruction() {return true;} 329 330 public: 331 FaultName name() const {return _name;} 332 FaultVect vect() {return _vect;} 333 FaultStat & countStat() {return _count;} 334}; 335 336class IntegerOverflowFault : public AlphaFault 337{ 338 private: 339 static FaultName _name; 340 static FaultVect _vect; 341 static FaultStat _count; 342 343 public: 344 FaultName name() const {return _name;} 345 FaultVect vect() {return _vect;} 346 FaultStat & countStat() {return _count;} 347}; 348 349} // namespace AlphaISA 350 351#endif // __ARCH_ALPHA_FAULTS_HH__ 352