#include <device.hh>

Inheritance diagram for gem5::PciBridge:

Public Member Functions
	PciBridge (const PciBridgeParams &params)
	Constructor for PCI Dev.

Tick	writeConfig (PacketPtr pkt) override
	Write to the PCI config space data that is stored locally.

void	unserialize (CheckpointIn &cp) override
	Reconstruct the state of this object from a checkpoint.

Public Member Functions inherited from gem5::PciDevice
virtual Tick	readConfig (PacketPtr pkt)
	Read from the PCI config space data that is stored locally.

Addr	pciToDma (Addr pci_addr) const

void	intrPost ()

void	intrClear ()

uint8_t	interruptLine () const

AddrRangeList	getAddrRanges () const override
	Determine the address ranges that this device responds to.

	PciDevice (const PciDeviceParams &params, std::initializer_list< PciBar * > BARs_init)
	Constructor for PCI Dev.

void	serialize (CheckpointOut &cp) const override
	Serialize this object to the given output stream.

void	unserialize (CheckpointIn &cp) override
	Reconstruct the state of this object from a checkpoint.

const PciBusAddr &	busAddr () const

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

virtual	~DmaDevice ()=default

void	dmaWrite (Addr addr, int size, Event event, uint8_t data, std::optional< uint32_t > sid, std::optional< uint32_t > ssid, Tick delay=0)

void	dmaWrite (Addr addr, int size, Event event, uint8_t data, Tick delay=0)

void	dmaRead (Addr addr, int size, Event event, uint8_t data, std::optional< uint32_t > sid, std::optional< uint32_t > ssid, Tick delay=0)

void	dmaRead (Addr addr, int size, Event event, uint8_t data, Tick delay=0)

bool	dmaPending () const

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

Addr	cacheBlockSize () const

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::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 (std::string_view 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
PCIConfigType1 &	config ()

Protected Member Functions inherited from gem5::PciDevice
bool	getBAR (Addr addr, int &num, Addr &offs)
	Which base address register (if any) maps the given address?

Protected Member Functions inherited from gem5::PioDevice
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 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.

Additional Inherited Members
Public Types inherited from gem5::DmaDevice
typedef DmaDeviceParams	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

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

Protected Attributes inherited from gem5::PciDevice
const PciBusAddr	_busAddr

std::vector< MSIXTable >	msix_table
	MSIX Table and PBA Structures.

std::vector< MSIXPbaEntry >	msix_pba

std::vector< PciBar * >	BARs {}

PciHost::DeviceInterface	hostInterface

Tick	pioDelay

Tick	configDelay

const int	PMCAP_BASE
	The capability list structures and base addresses.

const int	PMCAP_ID_OFFSET

const int	PMCAP_PC_OFFSET

const int	PMCAP_PMCS_OFFSET

PMCAP	pmcap

const int	MSICAP_BASE

MSICAP	msicap

const int	MSIXCAP_BASE

const int	MSIXCAP_ID_OFFSET

const int	MSIXCAP_MXC_OFFSET

const int	MSIXCAP_MTAB_OFFSET

const int	MSIXCAP_MPBA_OFFSET

int	MSIX_TABLE_OFFSET

int	MSIX_TABLE_END

int	MSIX_PBA_OFFSET

int	MSIX_PBA_END

MSIXCAP	msixcap

const int	PXCAP_BASE

PXCAP	pxcap

Protected Attributes inherited from gem5::DmaDevice
DmaPort	dmaPort

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.

Detailed Description

Definition at line 453 of file device.hh.

Constructor & Destructor Documentation

◆ PciBridge()

gem5::PciBridge::PciBridge ( const PciBridgeParams & params )

Constructor for PCI Dev.

This function copies data from the config file object PCIConfigData and registers the device with a PciHost object.

Definition at line 687 of file device.cc.

References gem5::MipsISA::p, and gem5::PciDevice::PciDevice().

Referenced by writeConfig().

Member Function Documentation

◆ config()

PCIConfigType1 & gem5::PciBridge::config ( )

inlineprotected

Definition at line 457 of file device.hh.

References gem5::PciDevice::_config.

◆ unserialize()

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

overridevirtual

Reconstruct the state of this object from a checkpoint.

Parameters

cp	The checkpoint use.
section	The section name of this object

Reimplemented from gem5::ClockedObject.

Definition at line 840 of file device.cc.

References gem5::PciDevice::_config, gem5::PciDevice::BARs, gem5::PciDevice::hostInterface, gem5::PioDevice::pioPort, gem5::PciDevice::unserialize(), and gem5::PioDevice::write().

◆ writeConfig()

Tick gem5::PciBridge::writeConfig ( PacketPtr pkt )

overridevirtual

Write to the PCI config space data that is stored locally.

This may be overridden by the device but at some point it will eventually call this for normal operations that it does not need to override.

Parameters

pkt	packet containing the write the offset into config space

Reimplemented from gem5::PciDevice.

Definition at line 716 of file device.cc.

References gem5::PciDevice::_busAddr, gem5::PciDevice::_config, gem5::PciDevice::BARs, gem5::PciDevice::configDelay, DPRINTF, gem5::Packet::getAddr(), gem5::Packet::getLE(), gem5::Packet::getSize(), gem5::PciDevice::hostInterface, gem5::htole(), gem5::PciDevice::isCommonConfig(), gem5::letoh(), gem5::Packet::makeAtomicResponse(), name(), gem5::ArmISA::offset, panic, PCI1_BAR_NUMBER, PCI1_BASE_ADDR0, PCI1_BASE_ADDR1, PCI1_BRIDGE_CTRL, PCI1_IO_BASE, PCI1_IO_BASE_UPPER, PCI1_IO_LIMIT, PCI1_IO_LIMIT_UPPER, PCI1_MEM_BASE, PCI1_MEM_LIMIT, PCI1_PRF_BASE_UPPER, PCI1_PRF_LIMIT_UPPER, PCI1_PRF_MEM_BASE, PCI1_PRF_MEM_LIMIT, PCI1_PRI_BUS_NUM, PCI1_ROM_BASE_ADDR, PCI1_SEC_BUS_NUM, PCI1_SEC_LAT_TIMER, PCI1_SECONDARY_STATUS, PCI1_SUB_BUS_NUM, PCI_CONFIG_SIZE, PCI_DEVICE_SPECIFIC, PciBridge(), gem5::PioDevice::pioPort, warn_once, and gem5::PciDevice::writeConfig().

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

dev/pci/device.hh
dev/pci/device.cc

Public Member Functions

Protected Member Functions