#include <register_file_cache.hh>

Inheritance diagram for gem5::RegisterFileCache:

Classes
class	MarkRegCachedEvent

class	OrderedRegs

class	RegisterCacheEvent

Public Member Functions
	RegisterFileCache (const RegisterFileCacheParams &p)

virtual	~RegisterFileCache ()

virtual void	setParent (ComputeUnit *_computeUnit)

int	cacheSize () const

virtual std::string	dumpLL () const

virtual void	enqCacheInsertEvent (uint32_t regIdx, uint64_t delay)

virtual void	waveExecuteInst (Wavefront *w, GPUDynInstPtr ii)

virtual void	markRFC (int regIdx)

virtual bool	inRFC (int regIdx)

Public Member Functions inherited from gem5::SimObject
const Params &	params () const

	SimObject (const Params &p)

virtual	~SimObject ()

virtual void	init ()
	init() is called after all C++ SimObjects have been created and all ports are connected.

virtual void	loadState (CheckpointIn &cp)
	loadState() is called on each SimObject when restoring from a checkpoint.

virtual void	initState ()
	initState() is called on each SimObject when not restoring from a checkpoint.

virtual void	regProbePoints ()
	Register probe points for this object.

virtual void	regProbeListeners ()
	Register probe listeners for this object.

ProbeManager *	getProbeManager ()
	Get the probe manager for this object.

virtual Port &	getPort (const std::string &if_name, PortID idx=InvalidPortID)
	Get a port with a given name and index.

virtual void	startup ()
	startup() is the final initialization call before simulation.

DrainState	drain () override
	Provide a default implementation of the drain interface for objects that don't need draining.

virtual void	memWriteback ()
	Write back dirty buffers to memory using functional writes.

virtual void	memInvalidate ()
	Invalidate the contents of memory buffers.

void	serialize (CheckpointOut &cp) const override
	Serialize an object.

void	unserialize (CheckpointIn &cp) override
	Unserialize an object.

Public Member Functions inherited from gem5::EventManager
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)
	This function is not needed by the usual gem5 event loop but may be necessary in derived EventQueues which host gem5 on other schedulers.

void	setCurTick (Tick newVal)

	EventManager (EventManager &em)
	Event manger manages events in the event queue.

	EventManager (EventManager *em)

	EventManager (EventQueue *eq)

Public Member Functions inherited from gem5::Serializable
	Serializable ()

virtual	~Serializable ()

void	serializeSection (CheckpointOut &cp, const char *name) const
	Serialize an object into a new section.

void	serializeSection (CheckpointOut &cp, const std::string &name) const

void	unserializeSection (CheckpointIn &cp, const char *name)
	Unserialize an a child object.

void	unserializeSection (CheckpointIn &cp, const std::string &name)

Public Member Functions inherited from gem5::Drainable
DrainState	drainState () const
	Return the current drain state of an object.

virtual void	notifyFork ()
	Notify a child process of a fork.

Public Member Functions inherited from gem5::statistics::Group
	Group (Group parent, const char name=nullptr)
	Construct a new statistics group.

virtual	~Group ()

virtual void	regStats ()
	Callback to set stat parameters.

virtual void	resetStats ()
	Callback to reset stats.

virtual void	preDumpStats ()
	Callback before stats are dumped.

void	addStat (statistics::Info *info)
	Register a stat with this group.

const std::map< std::string, Group * > &	getStatGroups () const
	Get all child groups associated with this object.

const std::vector< Info * > &	getStats () const
	Get all stats associated with this object.

void	addStatGroup (const char name, Group block)
	Add a stat block as a child of this block.

const Info *	resolveStat (std::string name) const
	Resolve a stat by its name within this group.

void	mergeStatGroup (Group *block)
	Merge the contents (stats & children) of a block to this block.

	Group ()=delete

	Group (const Group &)=delete

Group &	operator= (const Group &)=delete

Public Member Functions inherited from gem5::Named
	Named (const std::string &name_)

virtual	~Named ()=default

virtual std::string	name () const

Protected Attributes
ComputeUnit *	computeUnit

int	simdId

int	_capacity

std::unordered_map< int, OrderedRegs * >	lruHash

OrderedRegs *	lruHead = nullptr

OrderedRegs *	lruTail = nullptr

Protected Attributes inherited from gem5::SimObject
const SimObjectParams &	_params
	Cached copy of the object parameters.

Protected Attributes inherited from gem5::EventManager
EventQueue *	eventq
	A pointer to this object's event queue.

Additional Inherited Members
Public Types inherited from gem5::SimObject
typedef SimObjectParams	Params

Static Public Member Functions inherited from gem5::SimObject
static void	serializeAll (const std::string &cpt_dir)
	Create a checkpoint by serializing all SimObjects in the system.

static SimObject *	find (const char *name)
	Find the SimObject with the given name and return a pointer to it.

static void	setSimObjectResolver (SimObjectResolver *resolver)
	There is a single object name resolver, and it is only set when simulation is restoring from checkpoints.

static SimObjectResolver *	getSimObjectResolver ()
	There is a single object name resolver, and it is only set when simulation is restoring from checkpoints.

Static Public Member Functions inherited from gem5::Serializable
static const std::string &	currentSection ()
	Gets the fully-qualified name of the active section.

static void	generateCheckpointOut (const std::string &cpt_dir, std::ofstream &outstream)
	Generate a checkpoint file so that the serialization can be routed to it.

Protected Member Functions inherited from gem5::Drainable
	Drainable ()

virtual	~Drainable ()

virtual void	drainResume ()
	Resume execution after a successful drain.

void	signalDrainDone () const
	Signal that an object is drained.

Detailed Description

Definition at line 50 of file register_file_cache.hh.

Constructor & Destructor Documentation

◆ RegisterFileCache()

gem5::RegisterFileCache::RegisterFileCache ( const RegisterFileCacheParams & p )

Definition at line 47 of file register_file_cache.cc.

References fatal_if, and simdId.

◆ ~RegisterFileCache()

gem5::RegisterFileCache::~RegisterFileCache ( )

virtual

Definition at line 53 of file register_file_cache.cc.

Member Function Documentation

◆ cacheSize()

int gem5::RegisterFileCache::cacheSize ( ) const

inline

Definition at line 56 of file register_file_cache.hh.

References _capacity.

◆ dumpLL()

std::string gem5::RegisterFileCache::dumpLL ( ) const

virtual

Definition at line 70 of file register_file_cache.cc.

References gem5::ArmISA::i, lruHead, gem5::RegisterFileCache::OrderedRegs::next, and gem5::ArmISA::ss.

◆ enqCacheInsertEvent()

void gem5::RegisterFileCache::enqCacheInsertEvent	(	uint32_t	regIdx,
		uint64_t	delay )

virtual

Definition at line 158 of file register_file_cache.cc.

References gem5::curTick(), and gem5::EventManager::schedule().

Referenced by waveExecuteInst().

◆ inRFC()

bool gem5::RegisterFileCache::inRFC ( int regIdx )

virtual

Definition at line 64 of file register_file_cache.cc.

References lruHash.

◆ markRFC()

void gem5::RegisterFileCache::markRFC ( int regIdx )

virtual

Definition at line 89 of file register_file_cache.cc.

References _capacity, DPRINTF, lruHash, lruHead, lruTail, gem5::RegisterFileCache::OrderedRegs::next, gem5::RegisterFileCache::OrderedRegs::prev, gem5::RegisterFileCache::OrderedRegs::regIdx, simdId, and gem5::X86ISA::val.

Referenced by gem5::RegisterFileCache::MarkRegCachedEvent::process().

◆ setParent()

void gem5::RegisterFileCache::setParent ( ComputeUnit * _computeUnit )

virtual

Definition at line 58 of file register_file_cache.cc.

References computeUnit.

◆ waveExecuteInst()

void gem5::RegisterFileCache::waveExecuteInst	(	Wavefront *	w,
		GPUDynInstPtr	ii )

virtual

Definition at line 142 of file register_file_cache.cc.

References computeUnit, gem5::Clocked::cyclesToTicks(), enqCacheInsertEvent(), and gem5::ComputeUnit::rfcLength().

Member Data Documentation

◆ _capacity

int gem5::RegisterFileCache::_capacity

protected

Definition at line 92 of file register_file_cache.hh.

Referenced by cacheSize(), and markRFC().

◆ computeUnit

ComputeUnit* gem5::RegisterFileCache::computeUnit

protected

Definition at line 91 of file register_file_cache.hh.

Referenced by setParent(), and waveExecuteInst().

◆ lruHash

std::unordered_map<int, OrderedRegs*> gem5::RegisterFileCache::lruHash

protected

Definition at line 105 of file register_file_cache.hh.

Referenced by inRFC(), and markRFC().

◆ lruHead

OrderedRegs* gem5::RegisterFileCache::lruHead = nullptr

protected

Definition at line 106 of file register_file_cache.hh.

Referenced by dumpLL(), and markRFC().

◆ lruTail

OrderedRegs* gem5::RegisterFileCache::lruTail = nullptr

protected

Definition at line 107 of file register_file_cache.hh.

Referenced by markRFC().

◆ simdId

int gem5::RegisterFileCache::simdId

protected

Definition at line 92 of file register_file_cache.hh.

Referenced by markRFC(), and RegisterFileCache().

The documentation for this class was generated from the following files:

gpu-compute/register_file_cache.hh
gpu-compute/register_file_cache.cc

Classes

Public Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ RegisterFileCache()

◆ ~RegisterFileCache()

Member Function Documentation

◆ cacheSize()

◆ dumpLL()

◆ enqCacheInsertEvent()

◆ inRFC()

◆ markRFC()

◆ setParent()

◆ waveExecuteInst()

Member Data Documentation

◆ _capacity

◆ computeUnit

◆ lruHash

◆ lruHead

◆ lruTail

◆ simdId