#include <gic_v3.hh>

Inheritance diagram for gem5::Gicv3:

Public Types
enum	IntStatus { INT_INACTIVE , INT_PENDING , INT_ACTIVE , INT_ACTIVE_PENDING }

enum	GroupId { G0S , G1S , G1NS }

enum	IntTriggerType { INT_LEVEL_SENSITIVE , INT_EDGE_TRIGGERED }

Public Types inherited from gem5::BaseGic
enum class	GicVersion { GIC_V2 , GIC_V3 , GIC_V4 }

typedef BaseGicParams	Params

Public Types inherited from gem5::PioDevice
using	Params = PioDeviceParams

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

Public Types inherited from gem5::SimObject
typedef SimObjectParams	Params

Public Member Functions
	Gicv3 (const Params &p)

void	deassertInt (uint32_t cpu, ArmISA::InterruptTypes int_type)

void	deassertAll (uint32_t cpu)

bool	haveAsserted (uint32_t cpu) const

Gicv3CPUInterface *	getCPUInterface (int cpu_id) const

Gicv3Distributor *	getDistributor () const

Gicv3Redistributor *	getRedistributor (ContextID context_id) const

Gicv3CPUInterface *	getCPUInterfaceByAffinity (const ArmISA::Affinity &aff) const

Gicv3Redistributor *	getRedistributorByAffinity (const ArmISA::Affinity &aff) const

Gicv3Redistributor *	getRedistributorByAddr (Addr address) const

void	postInt (uint32_t cpu, ArmISA::InterruptTypes int_type)

void	update ()

uint32_t	readDistributor (Addr daddr) override

uint32_t	readRedistributor (const ArmISA::Affinity &aff, Addr daddr) override

RegVal	readCpu (const ArmISA::Affinity &aff, ArmISA::MiscRegIndex misc_reg) override

void	writeDistributor (Addr daddr, uint32_t data) override

void	writeRedistributor (const ArmISA::Affinity &aff, Addr daddr, uint32_t data) override

void	writeCpu (const ArmISA::Affinity &aff, ArmISA::MiscRegIndex misc_reg, RegVal data) override

Public Member Functions inherited from gem5::BaseGic
	BaseGic (const Params &p)

virtual	~BaseGic ()

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

const Params &	params () const

virtual void	sendInt (uint32_t num)=0
	Post an interrupt from a device that is connected to the GIC.

virtual void	sendPPInt (uint32_t num, uint32_t cpu)=0
	Interface call for private peripheral interrupts.

virtual void	clearPPInt (uint32_t num, uint32_t cpu)=0

virtual void	clearInt (uint32_t num)=0
	Clear an interrupt from a device that is connected to the GIC.

ArmSystem *	getSystem () const

virtual bool	supportsVersion (GicVersion version)=0
	Check if version supported.

Public Member Functions inherited from gem5::PioDevice
	PioDevice (const Params &p)

virtual	~PioDevice ()

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

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

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 ()

virtual void	serialize (CheckpointOut &cp) const =0
	Serialize an object.

virtual void	unserialize (CheckpointIn &cp)=0
	Unserialize an object.

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 (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

virtual uint32_t	readDistributor (Addr daddr)=0

virtual uint32_t	readRedistributor (const ArmISA::Affinity &aff, Addr daddr)=0

virtual RegVal	readCpu (const ArmISA::Affinity &aff, ArmISA::MiscRegIndex misc_reg)=0

virtual void	writeDistributor (Addr daddr, uint32_t data)=0

virtual void	writeRedistributor (const ArmISA::Affinity &aff, Addr daddr, uint32_t data)=0

virtual void	writeCpu (const ArmISA::Affinity &aff, ArmISA::MiscRegIndex misc_reg, RegVal data)=0

Static Public Attributes
static const int	INTID_SECURE = 1020

static const int	INTID_NONSECURE = 1021

static const int	INTID_SPURIOUS = 1023

static const int	SGI_MAX = 16

static const int	PPI_MAX = 16

Protected Member Functions
void	clearInt (uint32_t int_id) override
	Clear an interrupt from a device that is connected to the GIC.

void	clearPPInt (uint32_t int_id, uint32_t cpu) override

AddrRangeList	getAddrRanges () const override
	Every PIO device is obliged to provide an implementation that returns the address ranges the device responds to.

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

	PARAMS (Gicv3)

Tick	read (PacketPtr pkt) override
	Pure virtual function that the device must implement.

void	reset ()

void	sendInt (uint32_t int_id) override
	Post an interrupt from a device that is connected to the GIC.

void	sendPPInt (uint32_t int_id, uint32_t cpu) override
	Interface call for private peripheral interrupts.

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

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

Tick	write (PacketPtr pkt) override
	Pure virtual function that the device must implement.

bool	supportsVersion (GicVersion version) override
	Check if version supported.

void	copyGicState (Gicv3Registers from, Gicv3Registers to)

Protected Member Functions inherited from gem5::BaseGic
virtual bool	blockIntUpdate () const
	When trasferring the state between two GICs (essentially writing architectural registers) an interrupt might be posted by the model.

virtual AddrRangeList	getAddrRanges () const =0
	Every PIO device is obliged to provide an implementation that returns the address ranges the device responds to.

virtual Tick	read (PacketPtr pkt)=0
	Pure virtual function that the device must implement.

virtual Tick	write (PacketPtr pkt)=0
	Pure virtual function that the device must implement.

Protected Member Functions inherited from gem5::Drainable
	Drainable ()

virtual	~Drainable ()

virtual DrainState	drain ()=0
	Draining is the process of clearing out the states of SimObjects.These are the SimObjects that are partially executed or are partially in flight.

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
Gicv3Distributor *	distributor

std::vector< Gicv3Redistributor * >	redistributors

std::vector< Gicv3CPUInterface * >	cpuInterfaces

Gicv3Its *	its

AddrRange	distRange

AddrRange	redistRange

AddrRangeList	addrRanges

uint64_t	redistSize

Protected Attributes inherited from gem5::BaseGic
Platform *	platform
	Platform this GIC belongs to.

Protected Attributes inherited from gem5::PioDevice
System *	sys

PioPort< PioDevice >	pioPort
	The pioPort that handles the requests for us and provides us requests that it sees.

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.

Friends
class	Gicv3CPUInterface

class	Gicv3Redistributor

class	Gicv3Distributor

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

Static Protected Member Functions inherited from gem5::Gicv3Registers
static void	copyDistRegister (Gicv3Registers from, Gicv3Registers to, Addr daddr)

static void	copyRedistRegister (Gicv3Registers from, Gicv3Registers to, const ArmISA::Affinity &aff, Addr daddr)

static void	copyCpuRegister (Gicv3Registers from, Gicv3Registers to, const ArmISA::Affinity &aff, ArmISA::MiscRegIndex misc_reg)

static void	clearRedistRegister (Gicv3Registers *to, const ArmISA::Affinity &aff, Addr daddr)

static void	copyRedistRange (Gicv3Registers from, Gicv3Registers to, const ArmISA::Affinity &aff, Addr daddr, size_t size)

static void	copyDistRange (Gicv3Registers from, Gicv3Registers to, Addr daddr, size_t size)

static void	clearDistRange (Gicv3Registers *to, Addr daddr, size_t size)

Detailed Description

Definition at line 95 of file gic_v3.hh.

Member Enumeration Documentation

◆ GroupId

enum gem5::Gicv3::GroupId

Enumerator
G0S
G1S
G1NS

Definition at line 133 of file gic_v3.hh.

◆ IntStatus

enum gem5::Gicv3::IntStatus

Enumerator
INT_INACTIVE
INT_PENDING
INT_ACTIVE
INT_ACTIVE_PENDING

Definition at line 124 of file gic_v3.hh.

◆ IntTriggerType

enum gem5::Gicv3::IntTriggerType

Enumerator
INT_LEVEL_SENSITIVE
INT_EDGE_TRIGGERED

Definition at line 140 of file gic_v3.hh.

Constructor & Destructor Documentation

◆ Gicv3()

gem5::Gicv3::Gicv3 ( const Params & p )

Definition at line 131 of file gic_v3.cc.

Member Function Documentation

◆ clearInt()

void gem5::Gicv3::clearInt ( uint32_t num )

overrideprotectedvirtual

Clear an interrupt from a device that is connected to the GIC.

Depending on the configuration, the GIC may de-assert it's CPU line.

Parameters

num	number of interrupt to send

Implements gem5::BaseGic.

Definition at line 257 of file gic_v3.cc.

References gem5::Gicv3Distributor::clearInt(), distributor, and DPRINTF.

◆ clearPPInt()

void gem5::Gicv3::clearPPInt	(	uint32_t	int_id,
		uint32_t	cpu
	)

overrideprotectedvirtual

Implements gem5::BaseGic.

Definition at line 273 of file gic_v3.cc.

References DPRINTF, panic_if, and redistributors.

◆ copyGicState()

void gem5::Gicv3::copyGicState	(	Gicv3Registers *	from,
		Gicv3Registers *	to
	)

protected

Definition at line 403 of file gic_v3.cc.

References gem5::Gicv3Distributor::copy(), cpuInterfaces, distributor, redistributors, and gem5::PowerISA::to.

◆ deassertAll()

void gem5::Gicv3::deassertAll ( uint32_t cpu )

Definition at line 310 of file gic_v3.cc.

References gem5::PioDevice::sys, and gem5::System::threads.

Referenced by gem5::Gicv3CPUInterface::clearPendingInterrupts().

◆ deassertInt()

void gem5::Gicv3::deassertInt	(	uint32_t	cpu,
		ArmISA::InterruptTypes	int_type
	)

Definition at line 303 of file gic_v3.cc.

References gem5::PioDevice::sys, and gem5::System::threads.

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

◆ getAddrRanges()

AddrRangeList gem5::Gicv3::getAddrRanges ( ) const

inlineoverrideprotectedvirtual

Every PIO device is obliged to provide an implementation that returns the address ranges the device responds to.

Returns: a list of non-overlapping address ranges

Implements gem5::PioDevice.

Definition at line 152 of file gic_v3.hh.

References addrRanges.

◆ getCPUInterface()

Gicv3CPUInterface * gem5::Gicv3::getCPUInterface ( int cpu_id ) const

inline

Definition at line 178 of file gic_v3.hh.

References cpuInterfaces.

Referenced by gem5::ArmISA::ISA::getGICv3CPUInterface(), and gem5::Gicv3Redistributor::init().

◆ getCPUInterfaceByAffinity()

Gicv3CPUInterface * gem5::Gicv3::getCPUInterfaceByAffinity ( const ArmISA::Affinity & aff ) const

Definition at line 324 of file gic_v3.cc.

References gem5::Gicv3Redistributor::getCPUInterface(), and getRedistributorByAffinity().

Referenced by readCpu(), and writeCpu().

◆ getDistributor()

Gicv3Distributor * gem5::Gicv3::getDistributor ( ) const

inline

Definition at line 185 of file gic_v3.hh.

References distributor.

Referenced by gem5::Gicv3CPUInterface::init(), gem5::Gicv3Redistributor::init(), gem5::Gicv3Redistributor::read(), and gem5::Gicv3Its::read().

◆ getRedistributor()

Gicv3Redistributor * gem5::Gicv3::getRedistributor ( ContextID context_id ) const

inline

Definition at line 191 of file gic_v3.hh.

References redistributors.

Referenced by gem5::Gicv3CPUInterface::generateSGI(), gem5::Gicv3Its::getRedistributor(), gem5::Gicv3CPUInterface::init(), gem5::Gicv3Distributor::route(), and gem5::Gicv3Distributor::update().

◆ getRedistributorByAddr()

Gicv3Redistributor * gem5::Gicv3::getRedistributorByAddr ( Addr address ) const

Definition at line 342 of file gic_v3.cc.

References gem5::X86ISA::addr, gem5::AddrRange::contains(), panic_if, redistRange, redistributors, redistSize, and gem5::AddrRange::start().

Referenced by gem5::Gicv3Its::getRedistributor(), read(), and write().

◆ getRedistributorByAffinity()

Gicv3Redistributor * gem5::Gicv3::getRedistributorByAffinity ( const ArmISA::Affinity & aff ) const

Definition at line 330 of file gic_v3.cc.

References redistributors.

Referenced by getCPUInterfaceByAffinity(), readRedistributor(), gem5::Gicv3Distributor::route(), and writeRedistributor().

◆ haveAsserted()

bool gem5::Gicv3::haveAsserted ( uint32_t cpu ) const

Definition at line 317 of file gic_v3.cc.

References gem5::PioDevice::sys, and gem5::System::threads.

Referenced by gem5::Gicv3CPUInterface::havePendingInterrupts().

◆ init()

void gem5::Gicv3::init ( )

overrideprotectedvirtual

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

Initializations that are independent of unserialization but rely on a fully instantiated and connected SimObject graph should be done here.

Reimplemented from gem5::BaseGic.

Definition at line 137 of file gic_v3.cc.

References gem5::Gicv3Distributor::ADDR_RANGE_SIZE, addrRanges, cpuInterfaces, distRange, distributor, Gicv3CPUInterface, Gicv3Distributor, Gicv3Redistributor, gem5::ArmISA::i, gem5::Gicv3Distributor::init(), gem5::BaseGic::init(), its, panic_if, gem5::BaseGic::params(), gem5::RangeSize(), redistRange, redistributors, redistSize, gem5::Gicv3Its::setGIC(), gem5::System::Threads::size(), gem5::PioDevice::sys, and gem5::System::threads.

◆ PARAMS()

gem5::Gicv3::PARAMS ( Gicv3 )

protected

◆ postInt()

void gem5::Gicv3::postInt	(	uint32_t	cpu,
		ArmISA::InterruptTypes	int_type
	)

Definition at line 282 of file gic_v3.cc.

References gem5::ArmSystem::callClearStandByWfi(), gem5::PioDevice::sys, and gem5::System::threads.

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

◆ read()

Tick gem5::Gicv3::read ( PacketPtr pkt )

overrideprotectedvirtual

Pure virtual function that the device must implement.

Called when a read command is recieved by the port.

Parameters

pkt	Packet describing this request

Returns: number of ticks it took to complete

Implements gem5::PioDevice.

Definition at line 176 of file gic_v3.cc.

References gem5::X86ISA::addr, gem5::AddrRange::contains(), distRange, distributor, DPRINTF, gem5::Packet::getAddr(), getRedistributorByAddr(), gem5::Packet::getSize(), gem5::Packet::isSecure(), gem5::Packet::makeAtomicResponse(), panic, panic_if, gem5::BaseGic::params(), gem5::Gicv3Redistributor::processorNumber(), gem5::Gicv3Distributor::read(), gem5::Gicv3Redistributor::read(), redistRange, redistSize, gem5::Packet::req, gem5::Packet::setUintX(), and gem5::AddrRange::start().

◆ readCpu()

RegVal gem5::Gicv3::readCpu	(	const ArmISA::Affinity &	aff,
		ArmISA::MiscRegIndex	misc_reg
	)

overridevirtual

Implements gem5::Gicv3Registers.

Definition at line 372 of file gic_v3.cc.

References getCPUInterfaceByAffinity().

◆ readDistributor()

uint32_t gem5::Gicv3::readDistributor ( Addr daddr )

overridevirtual

Implements gem5::Gicv3Registers.

Definition at line 358 of file gic_v3.cc.

References distributor, and gem5::Gicv3Distributor::read().

◆ readRedistributor()

uint32_t gem5::Gicv3::readRedistributor	(	const ArmISA::Affinity &	aff,
		Addr	daddr
	)

overridevirtual

Implements gem5::Gicv3Registers.

Definition at line 364 of file gic_v3.cc.

References getRedistributorByAffinity().

◆ reset()

void gem5::Gicv3::reset ( )

protected

◆ sendInt()

void gem5::Gicv3::sendInt ( uint32_t num )

overrideprotectedvirtual

Post an interrupt from a device that is connected to the GIC.

Depending on the configuration, the GIC will pass this interrupt on through to a CPU.

Parameters

num	number of interrupt to send

Implements gem5::BaseGic.

Definition at line 250 of file gic_v3.cc.

References distributor, DPRINTF, and gem5::Gicv3Distributor::sendInt().

◆ sendPPInt()

void gem5::Gicv3::sendPPInt	(	uint32_t	num,
		uint32_t	cpu
	)

overrideprotectedvirtual

Interface call for private peripheral interrupts.

Parameters

num	number of interrupt to send
cpu	CPU to forward interrupt to

Implements gem5::BaseGic.

Definition at line 264 of file gic_v3.cc.

References DPRINTF, panic_if, and redistributors.

◆ serialize()

void gem5::Gicv3::serialize ( CheckpointOut & cp ) const

overrideprotectedvirtual

Serialize an object.

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

Parameters

cp	Checkpoint state

Reimplemented from gem5::ClockedObject.

Definition at line 415 of file gic_v3.cc.

References cpuInterfaces, gem5::csprintf(), distributor, redistributors, and gem5::Serializable::serializeSection().

◆ supportsVersion()

bool gem5::Gicv3::supportsVersion ( GicVersion version )

overrideprotectedvirtual

Check if version supported.

Implements gem5::BaseGic.

Definition at line 296 of file gic_v3.cc.

References gem5::BaseGic::GIC_V3, gem5::BaseGic::GIC_V4, and gem5::BaseGic::params().

◆ unserialize()

void gem5::Gicv3::unserialize ( CheckpointIn & cp )

overrideprotectedvirtual

Unserialize an object.

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

Parameters

cp	Checkpoint state

Reimplemented from gem5::ClockedObject.

Definition at line 431 of file gic_v3.cc.

References cpuInterfaces, gem5::csprintf(), distributor, gem5::BaseGic::getSystem(), redistributors, gem5::ArmSystem::setGIC(), and gem5::Serializable::unserializeSection().

◆ update()

void gem5::Gicv3::update ( )

Definition at line 290 of file gic_v3.cc.

References distributor, and gem5::Gicv3Distributor::update().

◆ write()

Tick gem5::Gicv3::write ( PacketPtr pkt )

overrideprotectedvirtual

Pure virtual function that the device must implement.

Called when a write command is recieved by the port.

Parameters

pkt	Packet describing this request

Returns: number of ticks it took to complete

Implements gem5::PioDevice.

Definition at line 213 of file gic_v3.cc.

References gem5::X86ISA::addr, gem5::AddrRange::contains(), data, distRange, distributor, DPRINTF, gem5::Packet::getAddr(), getRedistributorByAddr(), gem5::Packet::getSize(), gem5::Packet::getUintX(), gem5::Packet::isSecure(), gem5::Packet::makeAtomicResponse(), panic, panic_if, gem5::BaseGic::params(), gem5::Gicv3Redistributor::processorNumber(), redistRange, redistSize, gem5::Packet::req, gem5::AddrRange::start(), gem5::Gicv3Distributor::write(), and gem5::Gicv3Redistributor::write().

◆ writeCpu()

void gem5::Gicv3::writeCpu	(	const ArmISA::Affinity &	aff,
		ArmISA::MiscRegIndex	misc_reg,
		RegVal	data
	)

overridevirtual

Implements gem5::Gicv3Registers.

Definition at line 394 of file gic_v3.cc.

References data, and getCPUInterfaceByAffinity().

◆ writeDistributor()

void gem5::Gicv3::writeDistributor	(	Addr	daddr,
		uint32_t	data
	)

overridevirtual

Implements gem5::Gicv3Registers.

Definition at line 380 of file gic_v3.cc.

References data, distributor, and gem5::Gicv3Distributor::write().

◆ writeRedistributor()

void gem5::Gicv3::writeRedistributor	(	const ArmISA::Affinity &	aff,
		Addr	daddr,
		uint32_t	data
	)

overridevirtual

Implements gem5::Gicv3Registers.

Definition at line 386 of file gic_v3.cc.

References data, and getRedistributorByAffinity().

Friends And Related Symbol Documentation

◆ Gicv3CPUInterface

friend class Gicv3CPUInterface

friend

Definition at line 98 of file gic_v3.hh.

Referenced by init().

◆ Gicv3Distributor

friend class Gicv3Distributor

friend

Definition at line 100 of file gic_v3.hh.

Referenced by init().

◆ Gicv3Redistributor

friend class Gicv3Redistributor

friend

Definition at line 99 of file gic_v3.hh.

Referenced by init().

Member Data Documentation

◆ addrRanges

AddrRangeList gem5::Gicv3::addrRanges

protected

Definition at line 108 of file gic_v3.hh.

Referenced by getAddrRanges(), and init().

◆ cpuInterfaces

std::vector<Gicv3CPUInterface *> gem5::Gicv3::cpuInterfaces

protected

Definition at line 104 of file gic_v3.hh.

Referenced by copyGicState(), getCPUInterface(), init(), serialize(), and unserialize().

◆ distRange

AddrRange gem5::Gicv3::distRange

protected

Definition at line 106 of file gic_v3.hh.

Referenced by init(), read(), and write().

◆ distributor

Gicv3Distributor* gem5::Gicv3::distributor

protected

Definition at line 102 of file gic_v3.hh.

Referenced by clearInt(), copyGicState(), getDistributor(), init(), read(), readDistributor(), sendInt(), serialize(), unserialize(), update(), write(), and writeDistributor().

◆ INTID_NONSECURE

const int gem5::Gicv3::INTID_NONSECURE = 1021

static

Definition at line 115 of file gic_v3.hh.

Referenced by gem5::Gicv3CPUInterface::getHPPIR0(), and gem5::Gicv3CPUInterface::getHPPIR1().

◆ INTID_SECURE

const int gem5::Gicv3::INTID_SECURE = 1020

static

Definition at line 114 of file gic_v3.hh.

Referenced by gem5::Gicv3CPUInterface::deactivateIRQ(), gem5::Gicv3CPUInterface::getHPPIR0(), gem5::Gicv3CPUInterface::getHPPIR1(), gem5::Gicv3Distributor::Gicv3Distributor(), gem5::Gicv3CPUInterface::readMiscReg(), gem5::Gicv3CPUInterface::setMiscReg(), and gem5::Gicv3CPUInterface::virtualDeactivateIRQ().

◆ INTID_SPURIOUS

const int gem5::Gicv3::INTID_SPURIOUS = 1023

static

Definition at line 116 of file gic_v3.hh.

Referenced by gem5::Gicv3CPUInterface::getHPPIR0(), gem5::Gicv3CPUInterface::getHPPIR1(), gem5::Gicv3CPUInterface::Gicv3CPUInterface(), gem5::Gicv3Its::lpiOutOfRange(), gem5::Gicv3CPUInterface::readMiscReg(), and gem5::Gicv3CPUInterface::setMiscReg().

◆ its

Gicv3Its* gem5::Gicv3::its

protected

Definition at line 105 of file gic_v3.hh.

Referenced by init().

◆ PPI_MAX

const int gem5::Gicv3::PPI_MAX = 16

static

Definition at line 121 of file gic_v3.hh.

Referenced by gem5::Gicv3Redistributor::clearPPInt(), gem5::Gicv3CPUInterface::deactivateIRQ(), gem5::Gicv3Distributor::deassertSPI(), gem5::Gicv3Distributor::getIntGroup(), gem5::Gicv3Redistributor::getIntGroup(), gem5::Gicv3Distributor::intStatus(), gem5::Gicv3Redistributor::intStatus(), gem5::Gicv3Distributor::isNotSPI(), gem5::Gicv3Distributor::sendInt(), gem5::Gicv3Redistributor::sendPPInt(), gem5::Gicv3Distributor::update(), and gem5::Gicv3Redistributor::update().

◆ redistRange

AddrRange gem5::Gicv3::redistRange

protected

Definition at line 107 of file gic_v3.hh.

Referenced by getRedistributorByAddr(), init(), read(), and write().

◆ redistributors

std::vector<Gicv3Redistributor *> gem5::Gicv3::redistributors

protected

Definition at line 103 of file gic_v3.hh.

Referenced by clearPPInt(), copyGicState(), getRedistributor(), getRedistributorByAddr(), getRedistributorByAffinity(), init(), sendPPInt(), serialize(), and unserialize().

◆ redistSize

uint64_t gem5::Gicv3::redistSize

protected

Definition at line 109 of file gic_v3.hh.

Referenced by getRedistributorByAddr(), init(), read(), and write().

◆ SGI_MAX

const int gem5::Gicv3::SGI_MAX = 16

static

Definition at line 119 of file gic_v3.hh.

Referenced by gem5::Gicv3Redistributor::clearPPInt(), gem5::Gicv3CPUInterface::deactivateIRQ(), gem5::Gicv3Distributor::deassertSPI(), gem5::Gicv3Distributor::getIntGroup(), gem5::Gicv3Redistributor::getIntGroup(), gem5::Gicv3Distributor::intStatus(), gem5::Gicv3Redistributor::intStatus(), gem5::Gicv3Distributor::isNotSPI(), gem5::Gicv3Redistributor::read(), gem5::Gicv3Distributor::sendInt(), gem5::Gicv3Redistributor::sendPPInt(), gem5::Gicv3Redistributor::sendSGI(), gem5::Gicv3Distributor::update(), gem5::Gicv3Redistributor::update(), and gem5::Gicv3Redistributor::write().

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

dev/arm/gic_v3.hh
dev/arm/gic_v3.cc

Public Types

Public Member Functions

Static Public Attributes

Protected Member Functions

Protected Attributes

Friends

Additional Inherited Members

Detailed Description

Member Enumeration Documentation

◆ GroupId

◆ IntStatus

◆ IntTriggerType

Constructor & Destructor Documentation

◆ Gicv3()

Member Function Documentation

◆ clearInt()

◆ clearPPInt()

◆ copyGicState()

◆ deassertAll()

◆ deassertInt()

◆ getAddrRanges()

◆ getCPUInterface()

◆ getCPUInterfaceByAffinity()

◆ getDistributor()

◆ getRedistributor()

◆ getRedistributorByAddr()

◆ getRedistributorByAffinity()

◆ haveAsserted()

◆ init()

◆ PARAMS()

◆ postInt()

◆ read()

◆ readCpu()

◆ readDistributor()

◆ readRedistributor()

◆ reset()

◆ sendInt()

◆ sendPPInt()

◆ serialize()

◆ supportsVersion()

◆ unserialize()

◆ update()

◆ write()

◆ writeCpu()

◆ writeDistributor()

◆ writeRedistributor()

Friends And Related Symbol Documentation

◆ Gicv3CPUInterface

◆ Gicv3Distributor

◆ Gicv3Redistributor

Member Data Documentation

◆ addrRanges

◆ cpuInterfaces

◆ distRange

◆ distributor

◆ INTID_NONSECURE

◆ INTID_SECURE

◆ INTID_SPURIOUS

◆ its

◆ PPI_MAX

◆ redistRange

◆ redistributors

◆ redistSize

◆ SGI_MAX