1/*
2 * Copyright (c) 2001-2005 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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55class SimObject : public Serializable, protected StartupCallback
56{
57 public:
58 struct Params {
59 std::string name;
60 };
61
62 enum State {
63 Atomic,
64 Timing,
65 Draining,
66 DrainedAtomic,
67 DrainedTiming
68 };
69
70 protected:
71 Params *_params;
72 State state;
73
74 void changeState(State new_state) { state = new_state; }
75
76 public:
77 const Params *params() const { return _params; }
78
79 State getState() { return state; }
80

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111 static void resetAllStats();
112
113 // static: call nameOut() & serialize() on all SimObjects
114 static void serializeAll(std::ostream &);
115 static void unserializeAll(Checkpoint *cp);
116
117 // Methods to drain objects in order to take checkpoints
118 // Or switch from timing -> atomic memory model
119 // Drain returns false if the SimObject cannot drain immediately.
120 virtual bool drain(Event *drain_event);
121 virtual void resume();
122 virtual void setMemoryMode(State new_mode);
123 virtual void switchOut();
124 virtual void takeOverFrom(BaseCPU *cpu);
125
126#ifdef DEBUG
127 public:
128 bool doDebugBreak;
129 static void debugObjectBreak(const std::string &objs);
130#endif
131
132 public:
133 bool doRecordEvent;
134 void recordEvent(const std::string &stat);
135};
136
137#endif // __SIM_OBJECT_HH__