gem5: SMMUProcess Class Reference

gem5 v20.1.0.0

#include <smmu_v3_proc.hh>

Inheritance diagram for SMMUProcess:

Public Member Functions
	SMMUProcess (const std::string &name, SMMUv3 &_smmu)

virtual	~SMMUProcess ()

SMMUAction	run (PacketPtr pkt)

const std::string	name () const

Public Member Functions inherited from Packet::SenderState
	SenderState ()

virtual	~SenderState ()

Protected Types
typedef Coroutine::CallerType	Yield

Protected Member Functions
void	reinit ()

virtual void	main (Yield &yield)=0

void	doRead (Yield &yield, Addr addr, void *ptr, size_t size)

void	doWrite (Yield &yield, Addr addr, const void *ptr, size_t size)

void	doDelay (Yield &yield, Cycles cycles)

void	doSleep (Yield &yield)

void	doSemaphoreDown (Yield &yield, SMMUSemaphore &sem)

void	doSemaphoreUp (SMMUSemaphore &sem)

void	doWaitForSignal (Yield &yield, SMMUSignal &sig)

void	doBroadcastSignal (SMMUSignal &sig)

void	scheduleWakeup (Tick when)

Protected Attributes
SMMUv3 &	smmu

Private Types
typedef m5::Coroutine< PacketPtr, SMMUAction >	Coroutine

Private Member Functions
void	wakeup ()

Private Attributes
Coroutine *	coroutine

std::string	myName

Additional Inherited Members
Public Attributes inherited from Packet::SenderState
SenderState *	predecessor

Detailed Description

Definition at line 93 of file smmu_v3_proc.hh.

Member Typedef Documentation

◆ Coroutine

typedef m5::Coroutine<PacketPtr, SMMUAction> SMMUProcess::Coroutine

private

Definition at line 96 of file smmu_v3_proc.hh.

◆ Yield

typedef Coroutine::CallerType SMMUProcess::Yield

protected

Definition at line 104 of file smmu_v3_proc.hh.

Constructor & Destructor Documentation

◆ SMMUProcess()

SMMUProcess::SMMUProcess	(	const std::string &	name,
		SMMUv3 &	_smmu
	)

Definition at line 43 of file smmu_v3_proc.cc.

Referenced by scheduleWakeup().

◆ ~SMMUProcess()

SMMUProcess::~SMMUProcess ( )

virtual

Definition at line 49 of file smmu_v3_proc.cc.

References coroutine.

Member Function Documentation

◆ doBroadcastSignal()

void SMMUProcess::doBroadcastSignal ( SMMUSignal & sig )

protected

Definition at line 179 of file smmu_v3_proc.cc.

References curTick(), and SMMUSignal::waiting.

Referenced by SMMUTranslationProcess::hazard4kRelease(), and SMMUTranslationProcess::hazardIdRelease().

◆ doDelay()

void SMMUProcess::doDelay	(	Yield &	yield,
		Cycles	cycles
	)

protected

◆ doRead()

void SMMUProcess::doRead	(	Yield &	yield,
		Addr	addr,
		void *	ptr,
		size_t	size
	)

protected

Definition at line 69 of file smmu_v3_proc.cc.

References ArmISA::a, ACTION_SEND_REQ, addr, ContextSwitchTaskId::DMA, doDelay(), doSemaphoreDown(), doSemaphoreUp(), m5::Coroutine< Arg, Ret >::CallerType::get(), Packet::getSize(), MemCmd::ReadReq, SMMUv3::requestorId, SMMUv3::requestPortSem, and smmu.

Referenced by SMMUTranslationProcess::doReadConfig(), SMMUTranslationProcess::doReadPTE(), and SMMUCommandExecProcess::main().

◆ doSemaphoreDown()

void SMMUProcess::doSemaphoreDown	(	Yield &	yield,
		SMMUSemaphore &	sem
	)

protected

◆ doSemaphoreUp()

void SMMUProcess::doSemaphoreUp ( SMMUSemaphore & sem )

protected

Definition at line 157 of file smmu_v3_proc.cc.

References SMMUSemaphore::count, curTick(), SMMUSemaphore::queue, and scheduleWakeup().

Referenced by SMMUTranslationProcess::completeTransaction(), SMMUTranslationProcess::configCacheLookup(), SMMUTranslationProcess::configCacheUpdate(), doRead(), doWrite(), SMMUTranslationProcess::ifcTLBLookup(), SMMUTranslationProcess::ifcTLBUpdate(), SMMUTranslationProcess::main(), SMMUTranslationProcess::microTLBLookup(), SMMUTranslationProcess::microTLBUpdate(), SMMUTranslationProcess::smmuTLBLookup(), SMMUTranslationProcess::smmuTLBUpdate(), SMMUTranslationProcess::smmuTranslation(), SMMUTranslationProcess::translateStage2(), SMMUTranslationProcess::walkCacheLookup(), SMMUTranslationProcess::walkCacheUpdate(), SMMUTranslationProcess::walkStage1And2(), and SMMUTranslationProcess::walkStage2().

◆ doSleep()

void SMMUProcess::doSleep ( Yield & yield )

protected

Definition at line 137 of file smmu_v3_proc.cc.

References ArmISA::a, and ACTION_SLEEP.

Referenced by doSemaphoreDown(), doWaitForSignal(), and SMMUCommandExecProcess::main().

◆ doWaitForSignal()

void SMMUProcess::doWaitForSignal	(	Yield &	yield,
		SMMUSignal &	sig
	)

protected

Definition at line 172 of file smmu_v3_proc.cc.

References doSleep(), and SMMUSignal::waiting.

Referenced by SMMUTranslationProcess::hazard4kHold(), and SMMUTranslationProcess::hazardIdHold().

◆ doWrite()

void SMMUProcess::doWrite	(	Yield &	yield,
		Addr	addr,
		const void *	ptr,
		size_t	size
	)

protected

Definition at line 98 of file smmu_v3_proc.cc.

References ArmISA::a, ACTION_SEND_REQ, addr, ContextSwitchTaskId::DMA, doDelay(), doSemaphoreDown(), doSemaphoreUp(), m5::Coroutine< Arg, Ret >::CallerType::get(), SMMUv3::requestorId, SMMUv3::requestPortSem, SMMUv3::requestPortWidth, smmu, and MemCmd::WriteReq.

Referenced by SMMUTranslationProcess::sendEvent().

◆ main()

virtual void SMMUProcess::main ( Yield & yield )

protectedpure virtual

Implemented in SMMUTranslationProcess, and SMMUCommandExecProcess.

Referenced by reinit().

◆ name()

const std::string SMMUProcess::name ( ) const

inline

Definition at line 131 of file smmu_v3_proc.hh.

References myName.

Referenced by SMMUTranslationProcess::issuePrefetch().

◆ reinit()

void SMMUProcess::reinit ( )

protected

Definition at line 61 of file smmu_v3_proc.cc.

References coroutine, and main().

Referenced by SMMUTranslationProcess::beginTransaction(), SMMUCommandExecProcess::SMMUCommandExecProcess(), and SMMUTranslationProcess::SMMUTranslationProcess().

◆ run()

SMMUAction SMMUProcess::run ( PacketPtr pkt )

Definition at line 203 of file smmu_v3_proc.cc.

References coroutine.

Referenced by SMMUv3::runProcessAtomic(), and SMMUv3::runProcessTiming().

◆ scheduleWakeup()

void SMMUProcess::scheduleWakeup ( Tick when )

protected

Definition at line 194 of file smmu_v3_proc.cc.

References MipsISA::ep, EventManager::schedule(), smmu, SMMUProcess(), and wakeup().

Referenced by doDelay(), doSemaphoreUp(), and SMMUTranslationProcess::issuePrefetch().

◆ wakeup()

void SMMUProcess::wakeup ( )

private

Definition at line 55 of file smmu_v3_proc.cc.

References SMMUv3::runProcess(), and smmu.

Referenced by scheduleWakeup().

Member Data Documentation

◆ coroutine

Coroutine* SMMUProcess::coroutine

private

Definition at line 98 of file smmu_v3_proc.hh.

Referenced by reinit(), run(), and ~SMMUProcess().

◆ myName

std::string SMMUProcess::myName

private

Definition at line 99 of file smmu_v3_proc.hh.

Referenced by name().

◆ smmu

SMMUv3& SMMUProcess::smmu

protected

Definition at line 106 of file smmu_v3_proc.hh.

Referenced by SMMUTranslationProcess::completeTransaction(), SMMUTranslationProcess::configCacheLookup(), SMMUTranslationProcess::configCacheUpdate(), doDelay(), doRead(), SMMUTranslationProcess::doReadCD(), SMMUTranslationProcess::doReadSTE(), doWrite(), SMMUTranslationProcess::issuePrefetch(), SMMUCommandExecProcess::main(), SMMUTranslationProcess::main(), SMMUTranslationProcess::resumeTransaction(), scheduleWakeup(), SMMUTranslationProcess::sendEvent(), SMMUTranslationProcess::smmuTLBLookup(), SMMUTranslationProcess::smmuTLBUpdate(), SMMUTranslationProcess::smmuTranslation(), SMMUTranslationProcess::translateStage1And2(), SMMUTranslationProcess::translateStage2(), wakeup(), SMMUTranslationProcess::walkCacheLookup(), SMMUTranslationProcess::walkCacheUpdate(), SMMUTranslationProcess::walkStage1And2(), and SMMUTranslationProcess::walkStage2().

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

dev/arm/smmu_v3_proc.hh
dev/arm/smmu_v3_proc.cc

Generated on Wed Sep 30 2020 14:02:32 for gem5 by doxygen 1.8.17