#include <tester_thread.hh>

Inheritance diagram for gem5::TesterThread:

Classes
class	DeadlockCheckEvent

struct	OutstandingReq

class	TesterThreadEvent

Public Types
typedef TesterThreadParams	Params

typedef AddressManager::Location	Location

typedef AddressManager::Value	Value

Public Types inherited from gem5::ClockedObject
using	Params = ClockedObjectParams
	Parameters of ClockedObject.

Public Types inherited from gem5::SimObject
typedef SimObjectParams	Params

Public Member Functions
	TesterThread (const Params &p)

virtual	~TesterThread ()

void	wakeup ()

void	scheduleWakeup ()

void	checkDeadlock ()

void	scheduleDeadlockCheckEvent ()

void	attachTesterThreadToPorts (ProtocolTester _tester, ProtocolTester::SeqPort _port, ProtocolTester::GMTokenPort _tokenPort=nullptr, ProtocolTester::SeqPort _sqcPort=nullptr, ProtocolTester::SeqPort *_scalarPort=nullptr)

const std::string &	getName () const

virtual void	hitCallback (PacketPtr pkt)=0

int	getTesterThreadId () const

int	getNumLanes () const

bool	checkDRF (Location atomic_loc, Location loc, bool isStore) const

void	printAllOutstandingReqs (std::stringstream &ss) const

Public Member Functions inherited from gem5::ClockedObject
	ClockedObject (const ClockedObjectParams &p)

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

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

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

Public Member Functions inherited from gem5::Clocked
void	updateClockPeriod ()
	Update the tick to the current tick.

Tick	clockEdge (Cycles cycles=Cycles(0)) const
	Determine the tick when a cycle begins, by default the current one, but the argument also enables the caller to determine a future cycle.

Cycles	curCycle () const
	Determine the current cycle, corresponding to a tick aligned to a clock edge.

Tick	nextCycle () const
	Based on the clock of the object, determine the start tick of the first cycle that is at least one cycle in the future.

uint64_t	frequency () const

Tick	clockPeriod () const

double	voltage () const

Cycles	ticksToCycles (Tick t) const

Tick	cyclesToTicks (Cycles c) const

Protected Types
typedef std::vector< Episode * >	EpisodeHistory

typedef std::vector< OutstandingReq >	OutstandingReqList

typedef std::unordered_map< Addr, OutstandingReqList >	OutstandingReqTable

Protected Member Functions
void	issueNewEpisode ()

bool	isNextActionReady ()

void	issueNextAction ()

int	getTokensNeeded ()

virtual void	issueLoadOps ()=0

virtual void	issueStoreOps ()=0

virtual void	issueAtomicOps ()=0

virtual void	issueAcquireOp ()=0

virtual void	issueReleaseOp ()=0

void	addOutstandingReqs (OutstandingReqTable &req_table, Addr addr, int lane, Location loc, Value stored_val=AddressManager::INVALID_VALUE)

OutstandingReq	popOutstandingReq (OutstandingReqTable &req_table, Addr address)

void	validateAtomicResp (Location loc, int lane, Value ret_val)

void	validateLoadResp (Location loc, int lane, Value ret_val)

void	printOutstandingReqs (const OutstandingReqTable &table, std::stringstream &ss) const

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.

Protected Member Functions inherited from gem5::Clocked
	Clocked (ClockDomain &clk_domain)
	Create a clocked object and set the clock domain based on the parameters.

	Clocked (Clocked &)=delete

Clocked &	operator= (Clocked &)=delete

virtual	~Clocked ()
	Virtual destructor due to inheritance.

void	resetClock () const
	Reset the object's clock using the current global tick value.

virtual void	clockPeriodUpdated ()
	A hook subclasses can implement so they can do any extra work that's needed when the clock rate is changed.

Protected Attributes
TesterThreadEvent	threadEvent

DeadlockCheckEvent	deadlockCheckEvent

int	threadId

int	numLanes

std::string	threadName

ProtocolTester *	tester

AddressManager *	addrManager

ProtocolTester::SeqPort *	port

ProtocolTester::GMTokenPort *	tokenPort

ProtocolTester::SeqPort *	scalarPort

ProtocolTester::SeqPort *	sqcPort

EpisodeHistory	episodeHistory

Episode *	curEpisode

const Episode::Action *	curAction

int	pendingLdStCount

int	pendingFenceCount

int	pendingAtomicCount

Cycles	lastActiveCycle

Cycles	deadlockThreshold

OutstandingReqTable	outstandingLoads

OutstandingReqTable	outstandingStores

OutstandingReqTable	outstandingAtomics

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
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.

Public Attributes inherited from gem5::ClockedObject
PowerState *	powerState

Detailed Description

Definition at line 49 of file tester_thread.hh.

Member Typedef Documentation

◆ EpisodeHistory

typedef std::vector<Episode*> gem5::TesterThread::EpisodeHistory

protected

Definition at line 153 of file tester_thread.hh.

◆ Location

typedef AddressManager::Location gem5::TesterThread::Location

Definition at line 56 of file tester_thread.hh.

◆ OutstandingReqList

typedef std::vector<OutstandingReq> gem5::TesterThread::OutstandingReqList

protected

Definition at line 170 of file tester_thread.hh.

◆ OutstandingReqTable

typedef std::unordered_map<Addr, OutstandingReqList> gem5::TesterThread::OutstandingReqTable

protected

Definition at line 171 of file tester_thread.hh.

◆ Params

typedef TesterThreadParams gem5::TesterThread::Params

Definition at line 52 of file tester_thread.hh.

◆ Value

typedef AddressManager::Value gem5::TesterThread::Value

Definition at line 57 of file tester_thread.hh.

Constructor & Destructor Documentation

◆ TesterThread()

gem5::TesterThread::TesterThread ( const Params & p )

Definition at line 42 of file tester_thread.cc.

◆ ~TesterThread()

gem5::TesterThread::~TesterThread ( )

virtual

Definition at line 56 of file tester_thread.cc.

References gem5::MipsISA::ep, and episodeHistory.

Member Function Documentation

◆ addOutstandingReqs()

void gem5::TesterThread::addOutstandingReqs	(	OutstandingReqTable &	req_table,
		Addr	addr,
		int	lane,
		Location	loc,
		Value	stored_val = AddressManager::INVALID_VALUE )

protected

Definition at line 333 of file tester_thread.cc.

References gem5::Clocked::curCycle().

Referenced by gem5::GpuWavefront::issueAtomicOps(), gem5::DmaThread::issueLoadOps(), gem5::GpuWavefront::issueLoadOps(), gem5::DmaThread::issueStoreOps(), and gem5::GpuWavefront::issueStoreOps().

◆ attachTesterThreadToPorts()

void gem5::TesterThread::attachTesterThreadToPorts	(	ProtocolTester *	_tester,
		ProtocolTester::SeqPort *	_port,
		ProtocolTester::GMTokenPort *	_tokenPort = nullptr,
		ProtocolTester::SeqPort *	_sqcPort = nullptr,
		ProtocolTester::SeqPort *	_scalarPort = nullptr )