#include <gic_v2m.hh>

Inheritance diagram for Gicv2m:

Public Types
typedef Gicv2mParams	Params

Public Types inherited from PioDevice
typedef PioDeviceParams	Params

Public Types inherited from ClockedObject
typedef ClockedObjectParams	Params
	Parameters of ClockedObject. More...

Public Types inherited from SimObject
typedef SimObjectParams	Params

Public Member Functions
	Gicv2m (const Params *p)


virtual AddrRangeList	getAddrRanges () const
	Return the address ranges used by the Gicv2m This is the set of frame addresses. More...

virtual Tick	read (PacketPtr pkt)
	A PIO read to the device. More...

virtual Tick	write (PacketPtr pkt)
	A PIO read to the device. More...

Public Member Functions inherited from PioDevice
	PioDevice (const Params *p)

virtual	~PioDevice ()

const Params *	params () const

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

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

Public Member Functions inherited from ClockedObject
	ClockedObject (const ClockedObjectParams *p)

const Params *	params () const

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

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

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

	SimObject (const Params *_params)

virtual	~SimObject ()

virtual const std::string	name () const

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 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

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

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. More...

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

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. More...

uint64_t	frequency () const

Tick	clockPeriod () const

double	voltage () const

Cycles	ticksToCycles (Tick t) const

Tick	cyclesToTicks (Cycles c) const

Private Member Functions
int	frameFromAddr (Addr a) const
	Determine which frame a PIO access lands in. More...

Private Attributes
const Tick	pioDelay
	Latency for an MMIO operation. More...

std::vector< Gicv2mFrame * >	frames
	A set of configured hardware frames. More...

BaseGic *	gic
	Gic to which we fire interrupts. More...

unsigned int	log2framenum
	Count of number of configured frames, as log2(frames) More...

Static Private Attributes
static const int	FRAME_SIZE = 0x10000

static const int	MSI_TYPER = 0x0008

static const int	MSI_SETSPI_NSR = 0x0040

static const int	PER_ID4 = 0x0fd0

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)

Public Attributes inherited from ClockedObject
PowerState *	powerState

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

	Clocked (Clocked &)=delete

Clocked &	operator= (Clocked &)=delete

virtual	~Clocked ()
	Virtual destructor due to inheritance. More...

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

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

Protected Attributes inherited from PioDevice
System *	sys

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

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 73 of file gic_v2m.hh.

Member Typedef Documentation

◆ Params

typedef Gicv2mParams Gicv2m::Params

Definition at line 95 of file gic_v2m.hh.

Constructor & Destructor Documentation

◆ Gicv2m()

Gicv2m::Gicv2m ( const Params * p )

Definition at line 79 of file gic_v2m.cc.

References fatal, fatal_if, floorLog2(), frames, ArmISA::i, isPowerOf2(), log2framenum, and RiscvISA::x.

Member Function Documentation

◆ frameFromAddr()

int Gicv2m::frameFromAddr ( Addr a ) const

private

Determine which frame a PIO access lands in.

Definition at line 161 of file gic_v2m.cc.

References ArmISA::a, addr, FRAME_SIZE, frames, and ArmISA::i.

Referenced by read(), and write().

◆ getAddrRanges()

AddrRangeList Gicv2m::getAddrRanges ( ) const

virtual

Return the address ranges used by the Gicv2m This is the set of frame addresses.

Implements PioDevice.

Definition at line 95 of file gic_v2m.cc.

References addr, FRAME_SIZE, frames, ArmISA::i, and RangeSize().

◆ read()

Tick Gicv2m::read ( PacketPtr pkt )

virtual

A PIO read to the device.

Implements PioDevice.

Definition at line 105 of file gic_v2m.cc.

References DPRINTF, frameFromAddr(), frames, Packet::getAddr(), log2framenum, Packet::makeAtomicResponse(), MSI_TYPER, ArmISA::offset, PER_ID4, pioDelay, and Packet::setLE().

◆ write()

Tick Gicv2m::write ( PacketPtr pkt )

virtual

A PIO read to the device.

Implements PioDevice.

Definition at line 135 of file gic_v2m.cc.

References DPRINTF, frameFromAddr(), frames, Packet::getAddr(), Packet::getLE(), gic, ArmISA::m, Packet::makeAtomicResponse(), MSI_SETSPI_NSR, ArmISA::offset, pioDelay, and BaseGic::sendInt().

Member Data Documentation

◆ FRAME_SIZE

const int Gicv2m::FRAME_SIZE = 0x10000

staticprivate

Definition at line 76 of file gic_v2m.hh.

Referenced by frameFromAddr(), and getAddrRanges().

◆ frames

std::vector<Gicv2mFrame *> Gicv2m::frames

private

A set of configured hardware frames.

Definition at line 86 of file gic_v2m.hh.

Referenced by frameFromAddr(), getAddrRanges(), Gicv2m(), read(), and write().

◆ gic

BaseGic* Gicv2m::gic

private

Gic to which we fire interrupts.

Definition at line 89 of file gic_v2m.hh.

Referenced by write().

◆ log2framenum

unsigned int Gicv2m::log2framenum

private

Count of number of configured frames, as log2(frames)

Definition at line 92 of file gic_v2m.hh.

Referenced by Gicv2m(), and read().

◆ MSI_SETSPI_NSR

const int Gicv2m::MSI_SETSPI_NSR = 0x0040

staticprivate

Definition at line 79 of file gic_v2m.hh.

Referenced by write().

◆ MSI_TYPER

const int Gicv2m::MSI_TYPER = 0x0008

staticprivate

Definition at line 78 of file gic_v2m.hh.

Referenced by read().

◆ PER_ID4

const int Gicv2m::PER_ID4 = 0x0fd0

staticprivate

Definition at line 80 of file gic_v2m.hh.

Referenced by read().

◆ pioDelay

const Tick Gicv2m::pioDelay

private

Latency for an MMIO operation.

Definition at line 83 of file gic_v2m.hh.

Referenced by read(), and write().

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

dev/arm/gic_v2m.hh
dev/arm/gic_v2m.cc

Public Types

Public Member Functions

Private Member Functions

Private Attributes

Static Private Attributes

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ Params

Constructor & Destructor Documentation

◆ Gicv2m()

Member Function Documentation

◆ frameFromAddr()

◆ getAddrRanges()

◆ read()

◆ write()

Member Data Documentation

◆ FRAME_SIZE

◆ frames

◆ gic

◆ log2framenum

◆ MSI_SETSPI_NSR

◆ MSI_TYPER

◆ PER_ID4

◆ pioDelay