2 * Copyright (c) 2001-2005 The Regents of The University of Michigan
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28 * Authors: Steve Reinhardt
33 * User Console Definitions
36 #ifndef __SIM_OBJECT_HH__
37 #define __SIM_OBJECT_HH__
45 #include "params/SimObject.hh"
46 #include "sim/serialize.hh"
47 #include "sim/startup.hh"
53 * Abstract superclass for simulation objects. Represents things that
54 * correspond to physical components and can be specified via the
55 * config file (CPUs, caches, etc.).
57 class SimObject : public Serializable, protected StartupCallback
70 void changeState(State new_state) { state = new_state; }
73 State getState() { return state; }
76 typedef std::vector<SimObject *> SimObjectList;
78 // list of all instantiated simulation objects
79 static SimObjectList simObjectList;
82 const SimObjectParams *_params;
85 typedef SimObjectParams Params;
86 const Params *params() const { return _params; }
87 SimObject(const Params *_params);
88 virtual ~SimObject() {}
92 virtual const std::string name() const { return params()->name; }
94 // initialization pass of all objects.
95 // Gets invoked after construction, before unserialize.
97 static void initAll();
99 // register statistics for this object
100 virtual void regStats();
101 virtual void regFormulas();
102 virtual void resetStats();
104 // static: call reg_stats on all SimObjects
105 static void regAllStats();
107 // static: call resetStats on all SimObjects
108 static void resetAllStats();
110 // static: call nameOut() & serialize() on all SimObjects
111 static void serializeAll(std::ostream &);
112 static void unserializeAll(Checkpoint *cp);
114 // Methods to drain objects in order to take checkpoints
115 // Or switch from timing -> atomic memory model
116 // Drain returns 0 if the simobject can drain immediately or
117 // the number of times the drain_event's process function will be called
118 // before the object will be done draining. Normally this should be 1
119 virtual unsigned int drain(Event *drain_event);
120 virtual void resume();
121 virtual void setMemoryMode(State new_mode);
122 virtual void switchOut();
123 virtual void takeOverFrom(BaseCPU *cpu);
128 static void debugObjectBreak(const std::string &objs);
132 * Find the SimObject with the given name and return a pointer to
133 * it. Primarily used for interactive debugging. Argument is
134 * char* rather than std::string to make it callable from gdb.
136 static SimObject *find(const char *name);
139 void recordEvent(const std::string &stat);
142 #endif // __SIM_OBJECT_HH__