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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36#ifndef __SIM_OBJECT_HH__
37#define __SIM_OBJECT_HH__
38
39#include <map>
40#include <list>
41#include <vector>
42#include <iostream>
43
44#include "sim/serialize.hh"
45#include "sim/startup.hh"
46
47class BaseCPU;
48class Event;
49
50/*
51 * Abstract superclass for simulation objects. Represents things that
52 * correspond to physical components and can be specified via the
53 * config file (CPUs, caches, etc.).
54 */
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
68 enum MemoryMode {
69 Invalid=0,
70 Atomic,
71 Timing
72 };
73
74 private:
75 State state;
76
77 protected:
78 Params *_params;
79
80 void changeState(State new_state) { state = new_state; }
81
82 public:
83 const Params *params() const { return _params; }
84
85 State getState() { return state; }
86
87 private:
88 typedef std::vector<SimObject *> SimObjectList;
89
90 // list of all instantiated simulation objects
91 static SimObjectList simObjectList;
92
93 public:
94 SimObject(Params *_params);
95 SimObject(const std::string &_name);
96
97 virtual ~SimObject() {}
98
99 virtual const std::string name() const { return params()->name; }
100
101 // initialization pass of all objects.
102 // Gets invoked after construction, before unserialize.
103 virtual void init();
104 static void initAll();

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