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 Running,
64 Draining,
65 Drained
66 };
67 private:
68 State state;
69
70 protected:
71 Params *_params;
72
73 void changeState(State new_state) { state = new_state; }
74
75 public:
76 const Params *params() const { return _params; }
77
78 State getState() { return state; }
79

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110 static void resetAllStats();
111
112 // static: call nameOut() & serialize() on all SimObjects
113 static void serializeAll(std::ostream &);
114 static void unserializeAll(Checkpoint *cp);
115
116 // Methods to drain objects in order to take checkpoints
117 // Or switch from timing -> atomic memory model
118 // Drain returns 0 if the simobject can drain immediately or
119 // the number of times the drain_event's process function will be called
120 // before the object will be done draining. Normally this should be 1
121 virtual unsigned int drain(Event *drain_event);
122 virtual void resume();
123 virtual void setMemoryMode(State new_mode);
124 virtual void switchOut();
125 virtual void takeOverFrom(BaseCPU *cpu);
126
127#ifdef DEBUG
128 public:
129 bool doDebugBreak;
130 static void debugObjectBreak(const std::string &objs);
131#endif
132
133 public:
134 bool doRecordEvent;
135 void recordEvent(const std::string &stat);
136};
137
138#endif // __SIM_OBJECT_HH__