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28 * Authors: Steve Reinhardt
33 * User Console Definitions
36 #ifndef __SIM_OBJECT_HH__
37 #define __SIM_OBJECT_HH__
44 #include "sim/serialize.hh"
45 #include "sim/startup.hh"
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.).
55 class SimObject : public Serializable, protected StartupCallback
80 void changeState(State new_state) { state = new_state; }
83 const Params *params() const { return _params; }
85 State getState() { return state; }
88 typedef std::vector<SimObject *> SimObjectList;
90 // list of all instantiated simulation objects
91 static SimObjectList simObjectList;
94 SimObject(Params *_params);
95 SimObject(const std::string &_name);
97 virtual ~SimObject() {}
99 virtual const std::string name() const { return params()->name; }
101 // initialization pass of all objects.
102 // Gets invoked after construction, before unserialize.
104 static void initAll();
106 // register statistics for this object
107 virtual void regStats();
108 virtual void regFormulas();
109 virtual void resetStats();
111 // static: call reg_stats on all SimObjects
112 static void regAllStats();
114 // static: call resetStats on all SimObjects
115 static void resetAllStats();
117 // static: call nameOut() & serialize() on all SimObjects
118 static void serializeAll(std::ostream &);
119 static void unserializeAll(Checkpoint *cp);
121 // Methods to drain objects in order to take checkpoints
122 // Or switch from timing -> atomic memory model
123 // Drain returns 0 if the simobject can drain immediately or
124 // the number of times the drain_event's process function will be called
125 // before the object will be done draining. Normally this should be 1
126 virtual unsigned int drain(Event *drain_event);
127 virtual void resume();
128 virtual void setMemoryMode(State new_mode);
129 virtual void switchOut();
130 virtual void takeOverFrom(BaseCPU *cpu);
135 static void debugObjectBreak(const std::string &objs);
139 void recordEvent(const std::string &stat);
142 #endif // __SIM_OBJECT_HH__