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;

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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
52 void invoke(ThreadContext * tc);
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:

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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
119 void invoke(ThreadContext * tc);
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;

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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
154 void invoke(ThreadContext * tc);
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
173 void invoke(ThreadContext * tc);
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;

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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
252 void invoke(ThreadContext * tc);
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
269 void invoke(ThreadContext * tc);
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;

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