Generic representation of an Arm interrupt pin. More...

#include <base_gic.hh>

Inheritance diagram for gem5::ArmInterruptPin:

Public Member Functions
void	setThreadContext (ThreadContext *tc)
	Set the thread context owning this interrupt.

uint32_t	num () const
	Get interrupt number.

bool	active () const
	True if interrupt pin is active, false otherwise.

virtual void	raise ()=0
	Signal an interrupt.

virtual void	clear ()=0
	Clear a signalled interrupt.

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

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

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)

Protected Member Functions
	ArmInterruptPin (const ArmInterruptPinParams &p, ThreadContext *tc)

ContextID	targetContext () const
	Get the target context ID of this interrupt.

Protected Attributes
const ThreadContext *	threadContext
	Pointer to the thread context that owns this interrupt in case it is a thread-/CPU-private interrupt.

RealView *const	platform
	Arm platform to use for interrupt generation.

const uint32_t	intNum
	Interrupt number to generate.

const ArmInterruptType	triggerType
	Interrupt triggering type.

bool	_active
	True if interrupt pin is active, false otherwise.

Friends
class	ArmInterruptPinGen

Additional Inherited Members
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.

Detailed Description

Generic representation of an Arm interrupt pin.

Definition at line 199 of file base_gic.hh.

Constructor & Destructor Documentation

◆ ArmInterruptPin()

gem5::ArmInterruptPin::ArmInterruptPin	(	const ArmInterruptPinParams &	p,
		ThreadContext *	tc )

protected

Definition at line 152 of file base_gic.cc.

Member Function Documentation

◆ active()

bool gem5::ArmInterruptPin::active ( ) const

inline

True if interrupt pin is active, false otherwise.

Definition at line 219 of file base_gic.hh.

References _active.

Referenced by gem5::Sp805::read(), gem5::Sp805::sendInt(), gem5::ArchTimer::setControl(), and gem5::ArchTimer::updateCounter().

◆ clear()

virtual void gem5::ArmInterruptPin::clear ( )

pure virtual

Clear a signalled interrupt.

Implemented in gem5::ArmPPI, gem5::ArmSigInterruptPin, and gem5::ArmSPI.

Referenced by gem5::Sp805::clearInt(), gem5::ArmISA::PMU::clearInterrupt(), gem5::Scp2ApDoorbell::clearInterrupt(), gem5::GenericWatchdog::explicitRefresh(), gem5::BaseArmKvmCPU::kvmRun(), gem5::ArchTimer::setControl(), gem5::HDLcd::setInterrupts(), gem5::MmioVirtIO::setInterrupts(), gem5::Pl011::setInterrupts(), gem5::ArchTimer::updateCounter(), gem5::Pl050::updateIntCtrl(), gem5::Gicv3CPUInterface::virtualUpdate(), and gem5::Pl111::write().

◆ num()

uint32_t gem5::ArmInterruptPin::num ( ) const

inline

Get interrupt number.

Definition at line 216 of file base_gic.hh.

References intNum.

Referenced by gem5::Gicv3CPUInterface::setThreadContext(), and gem5::Gicv3CPUInterface::virtualUpdate().

◆ raise()

virtual void gem5::ArmInterruptPin::raise ( )

pure virtual

Signal an interrupt.

Implemented in gem5::ArmPPI, gem5::ArmSigInterruptPin, and gem5::ArmSPI.

Referenced by gem5::ArchTimer::counterLimitReached(), gem5::PL031::counterMatch(), gem5::Pl011::generateInterrupt(), gem5::Pl111::generateInterrupt(), gem5::BaseArmKvmCPU::kvmRun(), gem5::ArmSigInterruptPin::raise(), gem5::ArmISA::PMU::raiseInterrupt(), gem5::Scp2ApDoorbell::raiseInterrupt(), gem5::SMMUTranslationProcess::sendEventInterrupt(), gem5::Sp805::sendInt(), gem5::HDLcd::setInterrupts(), gem5::MmioVirtIO::setInterrupts(), gem5::GenericWatchdog::timeout(), gem5::Pl050::updateIntCtrl(), and gem5::Gicv3CPUInterface::virtualUpdate().

◆ serialize()

void gem5::ArmInterruptPin::serialize ( CheckpointOut & cp ) const

overridevirtual

Serialize an object.

Output an object's state into the current checkpoint section.

Parameters

cp	Checkpoint state

Implements gem5::Serializable.

Definition at line 177 of file base_gic.cc.

References _active, and SERIALIZE_SCALAR.

◆ setThreadContext()

void gem5::ArmInterruptPin::setThreadContext ( ThreadContext * tc )

Set the thread context owning this interrupt.

This method is used to set the thread context for interrupts that are thread/CPU-specific. Only devices that are used in such a context are expected to call this method.

Definition at line 160 of file base_gic.cc.

References panic_if, and threadContext.

◆ targetContext()

ContextID gem5::ArmInterruptPin::targetContext ( ) const

protected

Get the target context ID of this interrupt.

Precondition: setThreadContext() must have been called prior to calling this method.

Definition at line 169 of file base_gic.cc.

References gem5::ThreadContext::contextId(), panic_if, and threadContext.

Referenced by gem5::ArmPPI::clear(), and gem5::ArmPPI::raise().

◆ unserialize()

void gem5::ArmInterruptPin::unserialize ( CheckpointIn & cp )

overridevirtual

Unserialize an object.

Read an object's state from the current checkpoint section.

Parameters

cp	Checkpoint state

Implements gem5::Serializable.

Definition at line 183 of file base_gic.cc.

References _active, and UNSERIALIZE_SCALAR.

Friends And Related Symbol Documentation

◆ ArmInterruptPinGen

friend class ArmInterruptPinGen

friend

Definition at line 201 of file base_gic.hh.

Member Data Documentation

◆ _active

bool gem5::ArmInterruptPin::_active

protected

True if interrupt pin is active, false otherwise.

Definition at line 255 of file base_gic.hh.

Referenced by active(), gem5::ArmPPI::clear(), gem5::ArmSigInterruptPin::clear(), gem5::ArmSPI::clear(), gem5::ArmPPI::raise(), gem5::ArmSigInterruptPin::raise(), gem5::ArmSPI::raise(), serialize(), and unserialize().

◆ intNum

const uint32_t gem5::ArmInterruptPin::intNum

protected

Interrupt number to generate.

Definition at line 249 of file base_gic.hh.

Referenced by gem5::ArmPPI::clear(), gem5::ArmSPI::clear(), num(), gem5::ArmPPI::raise(), and gem5::ArmSPI::raise().

◆ platform

RealView* const gem5::ArmInterruptPin::platform

protected

Arm platform to use for interrupt generation.

Definition at line 246 of file base_gic.hh.

Referenced by gem5::ArmPPI::ArmPPI(), gem5::ArmSPI::ArmSPI(), gem5::ArmPPI::clear(), gem5::ArmSPI::clear(), gem5::ArmPPI::raise(), and gem5::ArmSPI::raise().

◆ threadContext

const ThreadContext* gem5::ArmInterruptPin::threadContext

protected

Pointer to the thread context that owns this interrupt in case it is a thread-/CPU-private interrupt.

Definition at line 243 of file base_gic.hh.

Referenced by setThreadContext(), and targetContext().

◆ triggerType

const ArmInterruptType gem5::ArmInterruptPin::triggerType

protected

Interrupt triggering type.

Definition at line 252 of file base_gic.hh.

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

dev/arm/base_gic.hh
dev/arm/base_gic.cc

Public Member Functions

Protected Member Functions

Protected Attributes

Friends

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ ArmInterruptPin()

Member Function Documentation

◆ active()

◆ clear()

◆ num()

◆ raise()

◆ serialize()

◆ setThreadContext()

◆ targetContext()

◆ unserialize()

Friends And Related Symbol Documentation

◆ ArmInterruptPinGen

Member Data Documentation

◆ _active

◆ intNum

◆ platform

◆ threadContext

◆ triggerType