faults.hh (7630:ffea4f79784f) faults.hh (7678:f19b6a3a8cec)
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;

--- 19 unchanged lines hidden (view full) ---

28 * Authors: Nathan Binkert
29 * Gabe Black
30 */
31
32#ifndef __FAULTS_HH__
33#define __FAULTS_HH__
34
35#include "base/refcnt.hh"
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;

--- 19 unchanged lines hidden (view full) ---

28 * Authors: Nathan Binkert
29 * Gabe Black
30 */
31
32#ifndef __FAULTS_HH__
33#define __FAULTS_HH__
34
35#include "base/refcnt.hh"
36#include "base/types.hh"
37#include "sim/fault.hh"
36#include "sim/stats.hh"
37#include "config/full_system.hh"
38#include "sim/stats.hh"
39#include "config/full_system.hh"
40#include "cpu/static_inst.hh"
38
39class ThreadContext;
41
42class ThreadContext;
40class FaultBase;
41typedef RefCountingPtr<FaultBase> Fault;
42
43typedef const char * FaultName;
44typedef Stats::Scalar FaultStat;
45
46// Each class has it's name statically define in _name,
47// and has a virtual function to access it's name.
48// The function is necessary because otherwise, all objects
49// which are being accessed cast as a FaultBase * (namely
50// all faults returned using the Fault type) will use the
51// generic FaultBase name.
52
53class FaultBase : public RefCounted
54{
55 public:
56 virtual FaultName name() const = 0;
43
44typedef const char * FaultName;
45typedef Stats::Scalar FaultStat;
46
47// Each class has it's name statically define in _name,
48// and has a virtual function to access it's name.
49// The function is necessary because otherwise, all objects
50// which are being accessed cast as a FaultBase * (namely
51// all faults returned using the Fault type) will use the
52// generic FaultBase name.
53
54class FaultBase : public RefCounted
55{
56 public:
57 virtual FaultName name() const = 0;
57 virtual void invoke(ThreadContext * tc);
58 virtual void invoke(ThreadContext * tc,
59 StaticInstPtr inst = StaticInst::nullStaticInstPtr);
58 virtual bool isMachineCheckFault() const {return false;}
59 virtual bool isAlignmentFault() const {return false;}
60};
61
62FaultBase * const NoFault = 0;
63
64class UnimpFault : public FaultBase
65{
66 private:
67 std::string panicStr;
68 public:
69 UnimpFault(std::string _str)
70 : panicStr(_str)
71 { }
72
73 FaultName name() const {return "Unimplemented simulator feature";}
60 virtual bool isMachineCheckFault() const {return false;}
61 virtual bool isAlignmentFault() const {return false;}
62};
63
64FaultBase * const NoFault = 0;
65
66class UnimpFault : public FaultBase
67{
68 private:
69 std::string panicStr;
70 public:
71 UnimpFault(std::string _str)
72 : panicStr(_str)
73 { }
74
75 FaultName name() const {return "Unimplemented simulator feature";}
74 void invoke(ThreadContext * tc);
76 void invoke(ThreadContext * tc,
77 StaticInstPtr inst = StaticInst::nullStaticInstPtr);
75};
76
77#if !FULL_SYSTEM
78class GenericPageTableFault : public FaultBase
79{
80 private:
81 Addr vaddr;
82 public:
83 FaultName name() const {return "Generic page table fault";}
84 GenericPageTableFault(Addr va) : vaddr(va) {}
78};
79
80#if !FULL_SYSTEM
81class GenericPageTableFault : public FaultBase
82{
83 private:
84 Addr vaddr;
85 public:
86 FaultName name() const {return "Generic page table fault";}
87 GenericPageTableFault(Addr va) : vaddr(va) {}
85 void invoke(ThreadContext * tc);
88 void invoke(ThreadContext * tc,
89 StaticInstPtr inst = StaticInst::nullStaticInstPtr);
86};
87
88class GenericAlignmentFault : public FaultBase
89{
90 private:
91 Addr vaddr;
92 public:
93 FaultName name() const {return "Generic alignment fault";}
94 GenericAlignmentFault(Addr va) : vaddr(va) {}
90};
91
92class GenericAlignmentFault : public FaultBase
93{
94 private:
95 Addr vaddr;
96 public:
97 FaultName name() const {return "Generic alignment fault";}
98 GenericAlignmentFault(Addr va) : vaddr(va) {}
95 void invoke(ThreadContext * tc);
99 void invoke(ThreadContext * tc,
100 StaticInstPtr inst = StaticInst::nullStaticInstPtr);
96};
97#endif
98
99#endif // __FAULTS_HH__
101};
102#endif
103
104#endif // __FAULTS_HH__