#include <register_file.hh>

Inheritance diagram for gem5::RegisterFile:

Classes
class	MarkRegBusyScbEvent

class	MarkRegFreeScbEvent

class	RegisterEvent

struct	RegisterFileStats

Public Member Functions
	RegisterFile (const RegisterFileParams &p)

virtual	~RegisterFile ()

virtual void	setParent (ComputeUnit *_computeUnit)

int	numRegs () const

virtual bool	operandsReady (Wavefront *w, GPUDynInstPtr ii) const

virtual bool	regBusy (int idx) const

virtual void	markReg (int regIdx, bool value)

virtual void	enqRegFreeEvent (uint32_t regIdx, uint64_t delay)

virtual void	enqRegBusyEvent (uint32_t regIdx, uint64_t delay)

virtual bool	canScheduleReadOperands (Wavefront *w, GPUDynInstPtr ii)

virtual bool	canScheduleWriteOperands (Wavefront *w, GPUDynInstPtr ii)

virtual void	scheduleReadOperands (Wavefront *w, GPUDynInstPtr ii)

virtual void	scheduleWriteOperands (Wavefront *w, GPUDynInstPtr ii)

virtual bool	operandReadComplete (Wavefront *w, GPUDynInstPtr ii)

virtual bool	canScheduleWriteOperandsFromLoad (Wavefront *w, GPUDynInstPtr ii)

virtual void	scheduleWriteOperandsFromLoad (Wavefront *w, GPUDynInstPtr ii)

virtual void	exec ()

virtual void	waveExecuteInst (Wavefront *w, GPUDynInstPtr ii)

virtual std::string	dump () const

virtual void	dispatchInstruction (GPUDynInstPtr ii)

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

std::vector< bool >	busy

int	_numRegs

gem5::RegisterFile::RegisterFileStats	stats

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 56 of file register_file.hh.

Constructor & Destructor Documentation

◆ RegisterFile()

gem5::RegisterFile::RegisterFile ( const RegisterFileParams & p )

Definition at line 49 of file register_file.cc.

References _numRegs, busy, fatal_if, and simdId.

◆ ~RegisterFile()

gem5::RegisterFile::~RegisterFile ( )

virtual

Definition at line 59 of file register_file.cc.

Member Function Documentation

◆ canScheduleReadOperands()

bool gem5::RegisterFile::canScheduleReadOperands	(	Wavefront *	w,
		GPUDynInstPtr	ii )

virtual

Definition at line 123 of file register_file.cc.

◆ canScheduleWriteOperands()

bool gem5::RegisterFile::canScheduleWriteOperands	(	Wavefront *	w,
		GPUDynInstPtr	ii )

virtual

Definition at line 134 of file register_file.cc.

◆ canScheduleWriteOperandsFromLoad()

bool gem5::RegisterFile::canScheduleWriteOperandsFromLoad	(	Wavefront *	w,
		GPUDynInstPtr	ii )

virtual

Definition at line 145 of file register_file.cc.

◆ dispatchInstruction()

void gem5::RegisterFile::dispatchInstruction ( GPUDynInstPtr ii )

virtual

Definition at line 189 of file register_file.cc.

◆ dump()

std::string gem5::RegisterFile::dump ( ) const

virtual

Definition at line 70 of file register_file.cc.

References busy, gem5::ArmISA::i, and gem5::ArmISA::ss.

◆ enqRegBusyEvent()

void gem5::RegisterFile::enqRegBusyEvent	(	uint32_t	regIdx,
		uint64_t	delay )

virtual

Definition at line 113 of file register_file.cc.

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

◆ enqRegFreeEvent()

void gem5::RegisterFile::enqRegFreeEvent	(	uint32_t	regIdx,
		uint64_t	delay )

virtual

Definition at line 104 of file register_file.cc.

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

Referenced by gem5::ScalarRegisterFile::scheduleWriteOperandsFromLoad(), gem5::VectorRegisterFile::scheduleWriteOperandsFromLoad(), gem5::ScalarRegisterFile::waveExecuteInst(), and gem5::VectorRegisterFile::waveExecuteInst().

◆ exec()

void gem5::RegisterFile::exec ( )

virtual

Definition at line 163 of file register_file.cc.

◆ markReg()

void gem5::RegisterFile::markReg	(	int	regIdx,
		bool	value )

virtual

Definition at line 96 of file register_file.cc.

References busy, DPRINTF, and simdId.

Referenced by gem5::RegisterFile::MarkRegFreeScbEvent::process(), gem5::ScalarRegisterFile::scheduleWriteOperands(), and gem5::VectorRegisterFile::scheduleWriteOperands().

◆ numRegs()

int gem5::RegisterFile::numRegs ( ) const

inline

Definition at line 62 of file register_file.hh.

References _numRegs.

Referenced by gem5::ScalarRegisterFile::ScalarRegisterFile(), and gem5::VectorRegisterFile::VectorRegisterFile().

◆ operandReadComplete()

bool gem5::RegisterFile::operandReadComplete	(	Wavefront *	w,
		GPUDynInstPtr	ii )

virtual

Definition at line 156 of file register_file.cc.

◆ operandsReady()

bool gem5::RegisterFile::operandsReady	(	Wavefront *	w,
		GPUDynInstPtr	ii ) const

virtual

Reimplemented in gem5::ScalarRegisterFile, and gem5::VectorRegisterFile.

Definition at line 84 of file register_file.cc.

◆ regBusy()

bool gem5::RegisterFile::regBusy ( int idx ) const

virtual

Definition at line 90 of file register_file.cc.

References busy.

Referenced by gem5::ScalarRegisterFile::operandsReady(), and gem5::VectorRegisterFile::operandsReady().

◆ scheduleReadOperands()

void gem5::RegisterFile::scheduleReadOperands	(	Wavefront *	w,
		GPUDynInstPtr	ii )

virtual

Definition at line 129 of file register_file.cc.

◆ scheduleWriteOperands()

void gem5::RegisterFile::scheduleWriteOperands	(	Wavefront *	w,
		GPUDynInstPtr	ii )

virtual

Reimplemented in gem5::ScalarRegisterFile, and gem5::VectorRegisterFile.

Definition at line 140 of file register_file.cc.

◆ scheduleWriteOperandsFromLoad()

void gem5::RegisterFile::scheduleWriteOperandsFromLoad	(	Wavefront *	w,
		GPUDynInstPtr	ii )

virtual

Reimplemented in gem5::ScalarRegisterFile, and gem5::VectorRegisterFile.

Definition at line 151 of file register_file.cc.

◆ setParent()

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

virtual

Reimplemented in gem5::ScalarRegisterFile, and gem5::VectorRegisterFile.

Definition at line 64 of file register_file.cc.

References computeUnit.

Referenced by gem5::ScalarRegisterFile::setParent(), and gem5::VectorRegisterFile::setParent().

◆ waveExecuteInst()

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

virtual

Reimplemented in gem5::ScalarRegisterFile, and gem5::VectorRegisterFile.

Definition at line 168 of file register_file.cc.

Member Data Documentation

◆ _numRegs

int gem5::RegisterFile::_numRegs

protected

Definition at line 153 of file register_file.hh.

Referenced by numRegs(), and RegisterFile().

◆ busy

std::vector<bool> gem5::RegisterFile::busy

protected

Definition at line 150 of file register_file.hh.

Referenced by dump(), markReg(), regBusy(), and RegisterFile().

◆ computeUnit

ComputeUnit* gem5::RegisterFile::computeUnit

protected

Definition at line 146 of file register_file.hh.

Referenced by gem5::VectorRegisterFile::operandsReady(), gem5::ScalarRegisterFile::scheduleWriteOperandsFromLoad(), gem5::VectorRegisterFile::scheduleWriteOperandsFromLoad(), setParent(), gem5::ScalarRegisterFile::waveExecuteInst(), and gem5::VectorRegisterFile::waveExecuteInst().

◆ simdId

int gem5::RegisterFile::simdId

protected

Definition at line 147 of file register_file.hh.

Referenced by enqRegBusyEvent(), enqRegFreeEvent(), markReg(), gem5::VectorRegisterFile::operandsReady(), RegisterFile(), and gem5::VectorRegisterFile::waveExecuteInst().

◆ stats

gem5::RegisterFile::RegisterFileStats gem5::RegisterFile::stats

protected

Referenced by gem5::ScalarRegisterFile::scheduleWriteOperandsFromLoad(), gem5::VectorRegisterFile::scheduleWriteOperandsFromLoad(), gem5::ScalarRegisterFile::waveExecuteInst(), and gem5::VectorRegisterFile::waveExecuteInst().

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

gpu-compute/register_file.hh
gpu-compute/register_file.cc

Classes

Public Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ RegisterFile()

◆ ~RegisterFile()

Member Function Documentation

◆ canScheduleReadOperands()

◆ canScheduleWriteOperands()

◆ canScheduleWriteOperandsFromLoad()

◆ dispatchInstruction()

◆ dump()

◆ enqRegBusyEvent()

◆ enqRegFreeEvent()

◆ exec()

◆ markReg()

◆ numRegs()

◆ operandReadComplete()

◆ operandsReady()

◆ regBusy()

◆ scheduleReadOperands()

◆ scheduleWriteOperands()

◆ scheduleWriteOperandsFromLoad()

◆ setParent()

◆ waveExecuteInst()

Member Data Documentation

◆ _numRegs

◆ busy

◆ computeUnit

◆ simdId

◆ stats