#include <interrupts.hh>

Inheritance diagram for ArmISA::Interrupts:

Public Types
enum	InterruptMask { INT_MASK_M, INT_MASK_T, INT_MASK_P }

typedef ArmInterruptsParams	Params

Public Types inherited from BaseInterrupts
typedef BaseInterruptsParams	Params

Public Types inherited from SimObject
typedef SimObjectParams	Params

Public Member Functions
const Params *	params () const

	Interrupts (Params *p)

void	post (int int_num, int index) override

void	clear (int int_num, int index) override

void	clearAll () override

bool	takeInt (InterruptTypes int_type) const

bool	checkInterrupts () const override

bool	checkWfiWake (HCR hcr, CPSR cpsr, SCR scr) const
	This function is used to check if a wfi operation should sleep. More...

uint32_t	getISR (HCR hcr, CPSR cpsr, SCR scr)

bool	checkRaw (InterruptTypes interrupt) const
	Check the state of a particular interrupt, ignoring CPSR masks. More...

Fault	getInterrupt () override

void	updateIntrInfo () override

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

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

Public Member Functions inherited from BaseInterrupts
	BaseInterrupts (Params *p)

virtual void	setThreadContext (ThreadContext *_tc)

const Params *	params () const

Public Member Functions inherited from SimObject
const Params *	params () const

	SimObject (const Params *_params)

virtual	~SimObject ()

virtual const std::string	name () const

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

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

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

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

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

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

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

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

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

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

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

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

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

Public Member Functions inherited from 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. More...

void	setCurTick (Tick newVal)

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

	EventManager (EventManager *em)

	EventManager (EventQueue *eq)

Public Member Functions inherited from Serializable
	Serializable ()

virtual	~Serializable ()

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

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

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

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

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

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

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

virtual	~Group ()

virtual void	regStats ()
	Callback to set stat parameters. More...

virtual void	resetStats ()
	Callback to reset stats. More...

virtual void	preDumpStats ()
	Callback before stats are dumped. More...

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

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

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

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

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

	Group ()=delete

	Group (const Group &)=delete

Group &	operator= (const Group &)=delete

Private Attributes
bool	interrupts [NumInterruptTypes]

uint64_t	intStatus

Additional Inherited Members
Static Public Member Functions inherited from SimObject
static void	serializeAll (CheckpointOut &cp)
	Serialize all SimObjects in the system. More...

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

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

static void	serializeAll (const std::string &cpt_dir)
	Serializes all the SimObjects. More...

static void	unserializeGlobals (CheckpointIn &cp)

Protected Member Functions inherited from Drainable
	Drainable ()

virtual	~Drainable ()

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

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

Protected Attributes inherited from BaseInterrupts
ThreadContext *	tc = nullptr

Protected Attributes inherited from SimObject
const SimObjectParams *	_params
	Cached copy of the object parameters. More...

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

Detailed Description

Definition at line 69 of file interrupts.hh.

Member Typedef Documentation

◆ Params

typedef ArmInterruptsParams ArmISA::Interrupts::Params

Definition at line 77 of file interrupts.hh.

Member Enumeration Documentation

◆ InterruptMask

enum ArmISA::Interrupts::InterruptMask

Enumerator
INT_MASK_M
INT_MASK_T
INT_MASK_P

Definition at line 129 of file interrupts.hh.

Constructor & Destructor Documentation

◆ Interrupts()

ArmISA::Interrupts::Interrupts ( Params * p )

inline

Definition at line 85 of file interrupts.hh.

References clearAll().

Member Function Documentation

◆ checkInterrupts()

bool ArmISA::Interrupts::checkInterrupts ( ) const

inlineoverridevirtual

Implements BaseInterrupts.

Definition at line 138 of file interrupts.hh.

References ArmISA::amo, ArmISA::currEL(), ArmISA::EL2, ArmISA::fmo, ArmISA::HaveVirtHostExt(), ArmISA::imo, ArmISA::INT_ABT, ArmISA::INT_FIQ, ArmISA::INT_IRQ, ArmISA::INT_RST, ArmISA::INT_SEV, ArmISA::INT_VIRT_FIQ, ArmISA::INT_VIRT_IRQ, interrupts, intStatus, ArmISA::isSecure(), ArmISA::MISCREG_CPSR, ArmISA::MISCREG_HCR, ThreadContext::readMiscReg(), takeInt(), and BaseInterrupts::tc.

Referenced by getInterrupt().

◆ checkRaw()

bool ArmISA::Interrupts::checkRaw ( InterruptTypes interrupt ) const

inline

Check the state of a particular interrupt, ignoring CPSR masks.

This method is primarily used when running the target CPU in a hardware VM (e.g., KVM) to check if interrupts should be delivered upon guest entry.

Parameters

interrupt Interrupt type to check the state of.

Returns: true if the interrupt is asserted, false otherwise.

Definition at line 230 of file interrupts.hh.

References interrupts, ArmISA::NumInterruptTypes, and panic.

◆ checkWfiWake()

bool ArmISA::Interrupts::checkWfiWake	(	HCR	hcr,
		CPSR	cpsr,
		SCR	scr
	)		const

inline

This function is used to check if a wfi operation should sleep.

If there is an interrupt pending, even if it's masked, wfi doesn't sleep.

Returns: any interrupts pending

Definition at line 190 of file interrupts.hh.

References ArmISA::INT_VIRT_FIQ, ArmISA::INT_VIRT_IRQ, interrupts, intStatus, ArmISA::isSecure(), ArmISA::MODE_HYP, and BaseInterrupts::tc.

◆ clear()

void ArmISA::Interrupts::clear	(	int	int_num,
		int	index
	)

inlineoverridevirtual

Reimplemented from BaseInterrupts.

Definition at line 107 of file interrupts.hh.

References DPRINTF, MipsISA::index, interrupts, intStatus, ArmISA::NumInterruptTypes, panic, and ULL.

◆ clearAll()

void ArmISA::Interrupts::clearAll ( )

inlineoverridevirtual

Reimplemented from BaseInterrupts.

Definition at line 122 of file interrupts.hh.

References DPRINTF, interrupts, and intStatus.

Referenced by Interrupts().

◆ getInterrupt()

Fault ArmISA::Interrupts::getInterrupt ( )

inlineoverridevirtual

◆ getISR()

uint32_t ArmISA::Interrupts::getISR	(	HCR	hcr,
		CPSR	cpsr,
		SCR	scr
	)

inline

Definition at line 205 of file interrupts.hh.

References ArmISA::INT_ABT, ArmISA::INT_FIQ, ArmISA::INT_IRQ, ArmISA::INT_VIRT_FIQ, ArmISA::INT_VIRT_IRQ, interrupts, ArmISA::isSecure(), ArmISA::MODE_HYP, and BaseInterrupts::tc.

◆ params()

const Params* ArmISA::Interrupts::params ( ) const

inline

Definition at line 80 of file interrupts.hh.

References SimObject::_params.

◆ post()

void ArmISA::Interrupts::post	(	int	int_num,
		int	index
	)

inlineoverridevirtual

Reimplemented from BaseInterrupts.

Definition at line 92 of file interrupts.hh.

References DPRINTF, MipsISA::index, interrupts, intStatus, ArmISA::NumInterruptTypes, panic, and ULL.

◆ serialize()

void ArmISA::Interrupts::serialize ( CheckpointOut & cp ) const

inlineoverridevirtual

Serialize an object.

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

Parameters

cp	Checkpoint state

Implements Serializable.

Definition at line 296 of file interrupts.hh.

References interrupts, intStatus, ArmISA::NumInterruptTypes, SERIALIZE_ARRAY, and SERIALIZE_SCALAR.

◆ takeInt()

bool ArmISA::Interrupts::takeInt ( InterruptTypes int_type ) const

Definition at line 49 of file interrupts.cc.

References ArmISA::currEL(), ArmISA::el, ArmISA::EL0, ArmISA::EL1, ArmISA::EL2, ArmISA::EL3, ArmSystem::highestELIs64(), ArmISA::INT_ABT, ArmISA::INT_FIQ, ArmISA::INT_IRQ, INT_MASK_M, INT_MASK_P, INT_MASK_T, ArmISA::isSecure(), ArmISA::mask, ArmISA::MISCREG_CPSR, ArmISA::MISCREG_HCR, ArmISA::MISCREG_SCR, ArmISA::MISCREG_SCR_EL3, panic, ThreadContext::readMiscReg(), and BaseInterrupts::tc.

Referenced by checkInterrupts(), and getInterrupt().

◆ unserialize()

void ArmISA::Interrupts::unserialize ( CheckpointIn & cp )

inlineoverridevirtual

Unserialize an object.

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

Parameters

cp	Checkpoint state

Implements Serializable.

Definition at line 303 of file interrupts.hh.

References interrupts, intStatus, ArmISA::NumInterruptTypes, UNSERIALIZE_ARRAY, and UNSERIALIZE_SCALAR.

◆ updateIntrInfo()

void ArmISA::Interrupts::updateIntrInfo ( )

inlineoverridevirtual

Implements BaseInterrupts.

Definition at line 293 of file interrupts.hh.

Member Data Documentation

◆ interrupts

bool ArmISA::Interrupts::interrupts[NumInterruptTypes]

private

Definition at line 72 of file interrupts.hh.

Referenced by checkInterrupts(), checkRaw(), checkWfiWake(), clear(), clearAll(), getInterrupt(), getISR(), post(), serialize(), and unserialize().

◆ intStatus

uint64_t ArmISA::Interrupts::intStatus

private

Definition at line 73 of file interrupts.hh.

Referenced by checkInterrupts(), checkWfiWake(), clear(), clearAll(), post(), serialize(), and unserialize().

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

arch/arm/interrupts.hh
arch/arm/interrupts.cc

Public Types

Public Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ Params

Member Enumeration Documentation

◆ InterruptMask

Constructor & Destructor Documentation

◆ Interrupts()

Member Function Documentation

◆ checkInterrupts()

◆ checkRaw()

◆ checkWfiWake()

◆ clear()

◆ clearAll()

◆ getInterrupt()

◆ getISR()

◆ params()

◆ post()

◆ serialize()

◆ takeInt()

◆ unserialize()

◆ updateIntrInfo()

Member Data Documentation

◆ interrupts

◆ intStatus