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sim_object.hh
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41 
42 /* @file
43  * User Console Definitions
44  */
45 
46 #ifndef __SIM_OBJECT_HH__
47 #define __SIM_OBJECT_HH__
48 
49 #include <string>
50 #include <vector>
51 
52 #include "base/stats/group.hh"
53 #include "params/SimObject.hh"
54 #include "sim/drain.hh"
55 #include "sim/eventq.hh"
56 #include "sim/port.hh"
57 #include "sim/serialize.hh"
58 
59 class EventManager;
60 class ProbeManager;
61 
92 class SimObject : public EventManager, public Serializable, public Drainable,
93  public Stats::Group
94 {
95  private:
97 
99  static SimObjectList simObjectList;
100 
103 
104  protected:
110  const SimObjectParams *_params;
111 
112  public:
113  typedef SimObjectParams Params;
118  const Params *params() const { return _params; }
119  SimObject(const Params *_params); //end of the api_simobject group
121  virtual ~SimObject();
122 
123  public:
124 
128  virtual const std::string name() const { return params()->name; }
129 
138  virtual void init();
139 
153  virtual void loadState(CheckpointIn &cp);
154 
162  virtual void initState();
163 
169  virtual void regProbePoints();
170 
176  virtual void regProbeListeners();
177 
184 
196  virtual Port &getPort(const std::string &if_name,
197  PortID idx=InvalidPortID);
198 
207  virtual void startup();
208 
213  DrainState drain() override { return DrainState::Drained; }
214 
225  virtual void memWriteback() {};
226 
240  virtual void memInvalidate() {};
241 
242  void serialize(CheckpointOut &cp) const override {};
243  void unserialize(CheckpointIn &cp) override {};
244 
248  static void serializeAll(CheckpointOut &cp);
249 
250 #ifdef DEBUG
251  public:
252  bool doDebugBreak;
253  static void debugObjectBreak(const std::string &objs);
254 #endif
255 
263  static SimObject *find(const char *name);
264 };
265 
273 {
274  public:
275  virtual ~SimObjectResolver() { }
276 
282  virtual SimObject *resolveSimObject(const std::string &name) = 0;
283 };
284 
285 #ifdef DEBUG
286 void debugObjectBreak(const char *objs);
287 #endif
288 
289 #endif // __SIM_OBJECT_HH__
virtual void memInvalidate()
Invalidate the contents of memory buffers.
Definition: sim_object.hh:240
static SimObject * find(const char *name)
Find the SimObject with the given name and return a pointer to it.
Definition: sim_object.cc:171
Ports are used to interface objects to each other.
Definition: port.hh:56
virtual void regProbeListeners()
Register probe listeners for this object.
Definition: sim_object.cc:112
const PortID InvalidPortID
Definition: types.hh:236
SimObjectParams Params
Definition: sim_object.hh:113
virtual void memWriteback()
Write back dirty buffers to memory using functional writes.
Definition: sim_object.hh:225
virtual void initState()
initState() is called on each SimObject when not restoring from a checkpoint.
Definition: sim_object.cc:91
static void serializeAll(CheckpointOut &cp)
Serialize all SimObjects in the system.
Definition: sim_object.cc:132
ProbeManager is a conduit class that lives on each SimObject, and is used to match up probe listeners...
Definition: probe.hh:150
Definition: cprintf.cc:40
virtual ~SimObjectResolver()
Definition: sim_object.hh:275
Base class to wrap object resolving functionality.
Definition: sim_object.hh:272
DrainState
Object drain/handover states.
Definition: drain.hh:71
STL vector class.
Definition: stl.hh:37
Interface for objects that might require draining before checkpointing.
Definition: drain.hh:239
void serialize(CheckpointOut &cp) const override
Serialize an object.
Definition: sim_object.hh:242
Draining buffers pending serialization/handover.
virtual void startup()
startup() is the final initialization call before simulation.
Definition: sim_object.cc:96
virtual Port & getPort(const std::string &if_name, PortID idx=InvalidPortID)
Get a port with a given name and index.
Definition: sim_object.cc:123
static SimObjectList simObjectList
List of all instantiated simulation objects.
Definition: sim_object.hh:99
ProbeManager * probeManager
Manager coordinates hooking up probe points with listeners.
Definition: sim_object.hh:102
const Params * params() const
Definition: sim_object.hh:118
std::vector< SimObject * > SimObjectList
Definition: sim_object.hh:96
Statistics container.
Definition: group.hh:83
Basic support for object serialization.
Definition: serialize.hh:166
Port Object Declaration.
virtual void regProbePoints()
Register probe points for this object.
Definition: sim_object.cc:104
ProbeManager * getProbeManager()
Get the probe manager for this object.
Definition: sim_object.cc:117
virtual const std::string name() const
Definition: sim_object.hh:128
std::ostream CheckpointOut
Definition: serialize.hh:63
SimObject(const Params *_params)
Definition: sim_object.cc:55
const SimObjectParams * _params
Cached copy of the object parameters.
Definition: sim_object.hh:110
virtual void loadState(CheckpointIn &cp)
loadState() is called on each SimObject when restoring from a checkpoint.
Definition: sim_object.cc:78
DrainState drain() override
Provide a default implementation of the drain interface for objects that don&#39;t need draining...
Definition: sim_object.hh:213
void unserialize(CheckpointIn &cp) override
Unserialize an object.
Definition: sim_object.hh:243
virtual void init()
init() is called after all C++ SimObjects have been created and all ports are connected.
Definition: sim_object.cc:73
int16_t PortID
Port index/ID type, and a symbolic name for an invalid port id.
Definition: types.hh:235
virtual ~SimObject()
Definition: sim_object.cc:67
Abstract superclass for simulation objects.
Definition: sim_object.hh:92

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