#include <gpu_nomali.hh>

Inheritance diagram for gem5::NoMaliGpu:

Public Member Functions
	NoMaliGpu (const NoMaliGpuParams &p)

virtual	~NoMaliGpu ()

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

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

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

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

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

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

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)

Public Member Functions inherited from gem5::SimObject
const Params &	params () const

	SimObject (const Params &p)

virtual	~SimObject ()

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 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 ()

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 ()=delete

	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

Protected Member Functions
API wrappers
void	reset ()
	Wrapper around nomali_reset().

uint32_t	readReg (nomali_addr_t reg)
	Wrapper around nomali_reg_read().

void	writeReg (nomali_addr_t reg, uint32_t value)
	Wrapper around nomali_reg_write().

uint32_t	readRegRaw (nomali_addr_t reg) const
	Wrapper around nomali_reg_read_raw().

void	writeRegRaw (nomali_addr_t reg, uint32_t value)
	Wrapper around nomali_reg_write_raw().

bool	intState (nomali_int_t intno)
	Wrapper around nomali_int_state()

Callbacks
virtual void	onInterrupt (nomali_int_t intno, bool set)
	Interrupt callback from the NoMali library.

virtual void	onReset ()
	Reset callback from the NoMali library.

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

virtual	~Drainable ()

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.

Static Protected Member Functions
static void	gpuPanic (nomali_error_t err, const char *msg)
	Format a NoMali error into an error message and panic.

static void	panicOnErr (nomali_error_t err, const char *msg)
	Panic if the NoMali returned an error, do nothing otherwise.

Protected Attributes
const Addr	pioAddr
	Device base address.

RealView *const	platform
	Platform, used to discover GIC.

const std::map< nomali_int_t, uint32_t >	interruptMap
	Map between NoMali interrupt types and actual GIC interrupts.

nomali_info_t	nomaliInfo
	Cached information struct from the NoMali library.

nomali_handle_t	nomali
	Handle of a NoMali library instance.

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.

Private Member Functions
void	setCallback (const nomali_callback_t &callback)
	Wrapper around nomali_set_callback()

Static Private Member Functions
static void	_interrupt (nomali_handle_t h, void *usr, nomali_int_t intno, int set)
	Interrupt callback from the NoMali library.

static void	_reset (nomali_handle_t h, void *usr)
	Reset callback from the NoMali library.

Additional Inherited Members
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

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

Detailed Description

Definition at line 53 of file gpu_nomali.hh.

Constructor & Destructor Documentation

◆ NoMaliGpu()

gem5::NoMaliGpu::NoMaliGpu ( const NoMaliGpuParams & p )

Definition at line 58 of file gpu_nomali.cc.

References gem5::MipsISA::p.

◆ ~NoMaliGpu()

gem5::NoMaliGpu::~NoMaliGpu ( )

virtual

Definition at line 110 of file gpu_nomali.cc.

Member Function Documentation

◆ _interrupt()

void gem5::NoMaliGpu::_interrupt	(	nomali_handle_t	h,
		void *	usr,
		nomali_int_t	intno,
		int	set )

staticprivate

Interrupt callback from the NoMali library.

This method calls onInterrupt() on the NoMaliGpu owning this device.

Parameters

h	NoMali library handle.
usr	Pointer to an instance of the NoMaliGpu
intno	GPU interrupt type
set	Was the interrupt raised (1) or lowered (0)?

Definition at line 310 of file gpu_nomali.cc.

References onInterrupt(), gem5::ArmISA::set, and gem5::X86ISA::usr.

◆ _reset()

void gem5::NoMaliGpu::_reset	(	nomali_handle_t	h,
		void *	usr )

staticprivate

Reset callback from the NoMali library.

This method calls onReset() on the NoMaliGpu owning this device.

Parameters

h	NoMali library handle.
usr	Pointer to an instance of the NoMaliGpu

Definition at line 319 of file gpu_nomali.cc.

References onReset(), and gem5::X86ISA::usr.

◆ getAddrRanges()

AddrRangeList gem5::NoMaliGpu::getAddrRanges ( ) const

overridevirtual

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 192 of file gpu_nomali.cc.

References gem5::RangeSize().

◆ gpuPanic()

void gem5::NoMaliGpu::gpuPanic	(	nomali_error_t	err,
		const char *	msg )

staticprotected

Format a NoMali error into an error message and panic.

Parameters

err	Error code from the NoMali library.
msg	Message to print.

Definition at line 267 of file gpu_nomali.cc.

References gem5::ArmISA::err, and panic.

Referenced by panicOnErr().

◆ init()

void gem5::NoMaliGpu::init ( )

overridevirtual

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::SimObject.

Definition at line 117 of file gpu_nomali.cc.

References gem5::statistics::reset().

◆ intState()

bool gem5::NoMaliGpu::intState ( nomali_int_t intno )

protected

Wrapper around nomali_int_state()

Parameters

intno Interrupt number

Returns: True if asserted, false otherwise.

Definition at line 256 of file gpu_nomali.cc.

References state.

◆ onInterrupt()

void gem5::NoMaliGpu::onInterrupt	(	nomali_int_t	intno,
		bool	set )

protectedvirtual

Interrupt callback from the NoMali library.

This method is called whenever there is an interrupt state change.

Parameters

intno	Interrupt number
set	True is the interrupt is being asserted, false otherwise.

Definition at line 274 of file gpu_nomali.cc.

References DPRINTF, panic, and gem5::ArmISA::set.

Referenced by _interrupt().

◆ onReset()

void gem5::NoMaliGpu::onReset ( )

protectedvirtual

Reset callback from the NoMali library.

This method is called whenever the GPU is reset through the register interface or the API (reset() or nomali_reset()).

Reimplemented in gem5::CustomNoMaliGpu.

Definition at line 293 of file gpu_nomali.cc.

References DPRINTF.

Referenced by _reset(), and gem5::CustomNoMaliGpu::onReset().

◆ panicOnErr()

static void gem5::NoMaliGpu::panicOnErr	(	nomali_error_t	err,
		const char *	msg )

inlinestaticprotected

Panic if the NoMali returned an error, do nothing otherwise.

Parameters

err	Error code from the NoMali library.
msg	Message to print when panicking.

Definition at line 112 of file gpu_nomali.hh.

References gem5::ArmISA::err, and gpuPanic().

◆ read()

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

overridevirtual

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 150 of file gpu_nomali.cc.

References gem5::X86ISA::addr, gem5::Packet::getAddr(), gem5::Packet::getSize(), gem5::Packet::makeResponse(), panic, and gem5::Packet::setLE().

◆ readReg()

uint32_t gem5::NoMaliGpu::readReg ( nomali_addr_t reg )

protected

Wrapper around nomali_reg_read().

Definition at line 208 of file gpu_nomali.cc.

References DPRINTF, and gem5::X86ISA::reg.

◆ readRegRaw()

uint32_t gem5::NoMaliGpu::readRegRaw ( nomali_addr_t reg ) const

protected

Wrapper around nomali_reg_read_raw().

Definition at line 235 of file gpu_nomali.cc.

References gem5::X86ISA::reg.

◆ reset()

void gem5::NoMaliGpu::reset ( )

protected

Wrapper around nomali_reset().

Definition at line 198 of file gpu_nomali.cc.

References DPRINTF.

◆ serialize()

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

overridevirtual

Serialize an object.

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

Parameters

cp	Checkpoint state

Reimplemented from gem5::ClockedObject.

Definition at line 128 of file gpu_nomali.cc.

References gem5::ArmISA::i, and SERIALIZE_CONTAINER.

◆ setCallback()

void gem5::NoMaliGpu::setCallback ( const nomali_callback_t & callback )

private

Wrapper around nomali_set_callback()

Definition at line 299 of file gpu_nomali.cc.

References DPRINTF.

◆ unserialize()

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

overridevirtual

Unserialize an object.

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

Parameters

cp	Checkpoint state

Reimplemented from gem5::ClockedObject.

Definition at line 139 of file gpu_nomali.cc.

References gem5::ArmISA::i, and UNSERIALIZE_CONTAINER.

◆ write()

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

overridevirtual

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 171 of file gpu_nomali.cc.

References gem5::X86ISA::addr, gem5::Packet::getAddr(), gem5::Packet::getLE(), gem5::Packet::getSize(), gem5::Packet::makeAtomicResponse(), and panic.

◆ writeReg()

void gem5::NoMaliGpu::writeReg	(	nomali_addr_t	reg,
		uint32_t	value )

protected

Wrapper around nomali_reg_write().

Definition at line 224 of file gpu_nomali.cc.

References DPRINTF, and gem5::X86ISA::reg.

◆ writeRegRaw()

void gem5::NoMaliGpu::writeRegRaw	(	nomali_addr_t	reg,
		uint32_t	value )

protected

Wrapper around nomali_reg_write_raw().

Definition at line 248 of file gpu_nomali.cc.

References gem5::X86ISA::reg.

Referenced by gem5::CustomNoMaliGpu::onReset().

Member Data Documentation

◆ interruptMap

const std::map<nomali_int_t, uint32_t> gem5::NoMaliGpu::interruptMap

protected

Map between NoMali interrupt types and actual GIC interrupts.

Definition at line 181 of file gpu_nomali.hh.

◆ nomali

nomali_handle_t gem5::NoMaliGpu::nomali

protected

Handle of a NoMali library instance.

Definition at line 187 of file gpu_nomali.hh.

◆ nomaliInfo

nomali_info_t gem5::NoMaliGpu::nomaliInfo

protected

Cached information struct from the NoMali library.

Definition at line 184 of file gpu_nomali.hh.

◆ pioAddr

const Addr gem5::NoMaliGpu::pioAddr

protected

Device base address.

Definition at line 174 of file gpu_nomali.hh.

◆ platform

RealView* const gem5::NoMaliGpu::platform

protected

Platform, used to discover GIC.

Definition at line 177 of file gpu_nomali.hh.

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

dev/arm/gpu_nomali.hh
dev/arm/gpu_nomali.cc

Public Member Functions

Protected Member Functions

Static Protected Member Functions

Protected Attributes

Private Member Functions

Static Private Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ NoMaliGpu()

◆ ~NoMaliGpu()

Member Function Documentation

◆ _interrupt()

◆ _reset()

◆ getAddrRanges()

◆ gpuPanic()

◆ init()

◆ intState()

◆ onInterrupt()

◆ onReset()

◆ panicOnErr()

◆ read()

◆ readReg()

◆ readRegRaw()

◆ reset()

◆ serialize()

◆ setCallback()

◆ unserialize()

◆ write()

◆ writeReg()

◆ writeRegRaw()

Member Data Documentation

◆ interruptMap

◆ nomali

◆ nomaliInfo

◆ pioAddr

◆ platform