gem5
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#include <root.hh>
Public Types | |
typedef RootParams | Params |
Public Types inherited from SimObject | |
typedef SimObjectParams | Params |
Public Member Functions | |
bool | timeSyncEnabled () const |
Check whether time syncing is enabled. More... | |
const Time | timeSyncPeriod () const |
Retrieve the period for the sync event. More... | |
const Time | timeSyncSpinThreshold () const |
Retrieve the threshold for time remaining to spin wait. More... | |
void | timeSyncEnable (bool en) |
Enable or disable time syncing. More... | |
void | timeSyncPeriod (Time newPeriod) |
Configure the period for time sync events. More... | |
void | timeSyncSpinThreshold (Time newThreshold) |
Set the threshold for time remaining to spin wait. More... | |
const Params * | params () const |
Root (Params *p) | |
void | loadState (CheckpointIn &cp) override |
Schedule the timesync event at loadState() so that curTick is correct. More... | |
void | initState () override |
Schedule the timesync event at initState() when not unserializing. More... | |
void | serialize (CheckpointOut &cp) const override |
Serialize an object. More... | |
void | unserialize (CheckpointIn &cp) override |
Unserialize an object. More... | |
Public Member Functions inherited from SimObject | |
const Params * | params () const |
SimObject (const Params *_params) | |
virtual | ~SimObject () |
virtual const std::string | name () const |
virtual void | init () |
init() is called after all C++ SimObjects have been created and all ports are connected. More... | |
virtual void | regStats () |
Register statistics for this object. More... | |
virtual void | resetStats () |
Reset statistics associated with this object. More... | |
virtual void | regProbePoints () |
Register probe points for this object. More... | |
virtual void | regProbeListeners () |
Register probe listeners for this object. More... | |
ProbeManager * | getProbeManager () |
Get the probe manager for this object. More... | |
virtual void | startup () |
startup() is the final initialization call before simulation. More... | |
DrainState | drain () override |
Provide a default implementation of the drain interface for objects that don't need draining. More... | |
virtual void | memWriteback () |
Write back dirty buffers to memory using functional writes. More... | |
virtual void | memInvalidate () |
Invalidate the contents of memory buffers. More... | |
void | serialize (CheckpointOut &cp) const override |
Serialize an object. More... | |
void | unserialize (CheckpointIn &cp) override |
Unserialize an object. More... | |
Public Member Functions inherited from EventManager | |
EventManager (EventManager &em) | |
EventManager (EventManager *em) | |
EventManager (EventQueue *eq) | |
EventQueue * | eventQueue () const |
void | schedule (Event &event, Tick when) |
void | deschedule (Event &event) |
void | reschedule (Event &event, Tick when, bool always=false) |
void | schedule (Event *event, Tick when) |
void | deschedule (Event *event) |
void | reschedule (Event *event, Tick when, bool always=false) |
void | wakeupEventQueue (Tick when=(Tick)-1) |
void | setCurTick (Tick newVal) |
Public Member Functions inherited from Serializable | |
Serializable () | |
virtual | ~Serializable () |
void | serializeSection (CheckpointOut &cp, const char *name) const |
Serialize an object into a new section. More... | |
void | serializeSection (CheckpointOut &cp, const std::string &name) const |
void | unserializeSection (CheckpointIn &cp, const char *name) |
Unserialize an a child object. More... | |
void | unserializeSection (CheckpointIn &cp, const std::string &name) |
Public Member Functions inherited from Drainable | |
DrainState | drainState () const |
Return the current drain state of an object. More... | |
virtual void | notifyFork () |
Notify a child process of a fork. More... | |
Static Public Member Functions | |
static Root * | root () |
Use this function to get a pointer to the single Root object in the simulation. More... | |
Static Public Member Functions inherited from SimObject | |
static void | serializeAll (CheckpointOut &cp) |
Serialize all SimObjects in the system. More... | |
static SimObject * | find (const char *name) |
Find the SimObject with the given name and return a pointer to it. More... | |
Static Public Member Functions inherited from Serializable | |
static const std::string & | currentSection () |
Get the fully-qualified name of the active section. More... | |
static void | serializeAll (const std::string &cpt_dir) |
static void | unserializeGlobals (CheckpointIn &cp) |
Protected Member Functions | |
void | timeSync () |
Protected Member Functions inherited from Drainable | |
Drainable () | |
virtual | ~Drainable () |
virtual void | drainResume () |
Resume execution after a successful drain. More... | |
void | signalDrainDone () const |
Signal that an object is drained. More... | |
Protected Attributes | |
bool | _enabled |
Time | _period |
Tick | _periodTick |
Time | _spinThreshold |
Time | lastTime |
EventWrapper< Root,&Root::timeSync > | syncEvent |
Protected Attributes inherited from SimObject | |
const SimObjectParams * | _params |
Cached copy of the object parameters. More... | |
Protected Attributes inherited from EventManager | |
EventQueue * | eventq |
A pointer to this object's event queue. More... | |
Static Private Attributes | |
static Root * | _root = NULL |
Friends | |
class | EventWrapper< Root,&Root::timeSync > |
Additional Inherited Members | |
Static Public Attributes inherited from Serializable | |
static int | ckptCount = 0 |
static int | ckptMaxCount = 0 |
static int | ckptPrevCount = -1 |
typedef RootParams Root::Params |
Root::Root | ( | Params * | p | ) |
Definition at line 107 of file root.cc.
References _period, _root, _spinThreshold, lastTime, Time::setTick(), Time::setTimer(), and simQuantum.
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overridevirtual |
Schedule the timesync event at initState() when not unserializing.
Reimplemented from SimObject.
Definition at line 121 of file root.cc.
References params(), and timeSyncEnable().
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overridevirtual |
Schedule the timesync event at loadState() so that curTick is correct.
Reimplemented from SimObject.
Definition at line 127 of file root.cc.
References SimObject::loadState(), params(), and timeSyncEnable().
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inline |
Definition at line 100 of file root.hh.
References SimObject::_params.
Referenced by initState(), and loadState().
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inlinestatic |
Use this function to get a pointer to the single Root object in the simulation.
This function asserts that such an object has actual been constructed to avoid having to perform that check everywhere the root is used. This is to allow calling the functions below.
Definition at line 76 of file root.hh.
References _root.
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overridevirtual |
Serialize an object.
Output an object's state into the current checkpoint section.
cp | Checkpoint state |
Implements Serializable.
Definition at line 134 of file root.cc.
References FullSystem, and SERIALIZE_SCALAR.
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protected |
Definition at line 51 of file root.cc.
References _periodTick, _spinThreshold, curTick(), DPRINTF, lastTime, EventManager::schedule(), Time::setTimer(), sleep(), syncEvent, and timeSyncPeriod().
void Root::timeSyncEnable | ( | bool | en | ) |
Enable or disable time syncing.
Definition at line 72 of file root.cc.
References _enabled, _periodTick, curTick(), EventManager::deschedule(), ArmISA::en, EventManager::schedule(), and syncEvent.
Referenced by initState(), loadState(), timeSyncPeriod(), and timeSyncSpinThreshold().
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inline |
Check whether time syncing is enabled.
Definition at line 85 of file root.hh.
References _enabled.
Referenced by timeSyncPeriod(), and timeSyncSpinThreshold().
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inline |
Retrieve the period for the sync event.
Definition at line 87 of file root.hh.
References _period.
Referenced by timeSync().
void Root::timeSyncPeriod | ( | Time | newPeriod | ) |
Configure the period for time sync events.
Definition at line 90 of file root.cc.
References _period, _periodTick, ArmISA::en, Time::getTick(), timeSyncEnable(), and timeSyncEnabled().
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inline |
Retrieve the threshold for time remaining to spin wait.
Definition at line 89 of file root.hh.
References _spinThreshold.
void Root::timeSyncSpinThreshold | ( | Time | newThreshold | ) |
Set the threshold for time remaining to spin wait.
Definition at line 100 of file root.cc.
References _spinThreshold, ArmISA::en, timeSyncEnable(), and timeSyncEnabled().
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overridevirtual |
Unserialize an object.
Read an object's state from the current checkpoint section.
cp | Checkpoint state |
Implements Serializable.
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friend |
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protected |
Definition at line 55 of file root.hh.
Referenced by timeSyncEnable(), and timeSyncEnabled().
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protected |
Definition at line 56 of file root.hh.
Referenced by Root(), and timeSyncPeriod().
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protected |
Definition at line 57 of file root.hh.
Referenced by timeSync(), timeSyncEnable(), and timeSyncPeriod().
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staticprivate |
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protected |
Definition at line 58 of file root.hh.
Referenced by Root(), timeSync(), and timeSyncSpinThreshold().
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protected |
Definition at line 60 of file root.hh.
Referenced by Root(), and timeSync().
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protected |
Definition at line 63 of file root.hh.
Referenced by timeSync(), and timeSyncEnable().