#include <iob.hh>

Inheritance diagram for Iob:

Classes
struct	IntBusy

struct	IntCtl

struct	IntMan

Public Types
typedef IobParams	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
	Iob (const Params *p)

const Params *	params () const

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

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

void	generateIpi (Type type, int cpu_id, int vector)

void	receiveDeviceInterrupt (DeviceId devid)

bool	receiveJBusInterrupt (int cpu_id, int source, uint64_t d0, uint64_t d1)

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

Enums::PwrState	pwrState () const

std::string	pwrStateName () const

std::vector< double >	pwrStateWeights () const
	Returns the percentage residency for each power state. More...

void	computeStats ()
	Record stats values like state residency by computing the time difference from previous update. More...

void	pwrState (Enums::PwrState)

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
	EventManager (EventManager &em)

	EventManager (EventManager *em)

	EventManager (EventQueue *eq)

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)

void	setCurTick (Tick newVal)

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 ()=delete

	Group (const Group &)=delete

Group &	operator= (const Group &)=delete

	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...

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 Types
enum	DeviceId { Interal = 0, Error = 1, SSI = 2, Reserved = 3, NumDeviceIds }

enum	Type { Interrupt, Reset, Idle, Resume }

Private Member Functions
void	writeIob (PacketPtr pkt)

void	writeJBus (PacketPtr pkt)

void	readIob (PacketPtr pkt)

void	readJBus (PacketPtr pkt)

Private Attributes
IntrControl *	ic

Addr	iobManAddr

Addr	iobManSize

Addr	iobJBusAddr

Addr	iobJBusSize

Tick	pioDelay

IntMan	intMan [NumDeviceIds]

IntCtl	intCtl [NumDeviceIds]

uint64_t	jIntVec

uint64_t	jBusData0 [MaxNiagaraProcs]

uint64_t	jBusData1 [MaxNiagaraProcs]

IntBusy	jIntBusy [MaxNiagaraProcs]

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 ()
	Get the fully-qualified name of the active section. More...

static void	serializeAll (const std::string &cpt_dir)

static void	unserializeGlobals (CheckpointIn &cp)

Static Public Attributes inherited from Serializable
static int	ckptCount = 0

static int	ckptMaxCount = 0

static int	ckptPrevCount = -1

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 ClockedObject
Enums::PwrState	_currPwrState
	To keep track of the current power state. More...

Tick	prvEvalTick

ClockedObject::ClockedObjectStats	stats

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 iob.hh.

Member Typedef Documentation

◆ Params

typedef IobParams Iob::Params

Definition at line 126 of file iob.hh.

Member Enumeration Documentation

◆ DeviceId

enum Iob::DeviceId

private

Enumerator
Interal
Error
SSI
Reserved
NumDeviceIds

Definition at line 83 of file iob.hh.

◆ Type

enum Iob::Type

private

Enumerator
Interrupt
Reset
Idle
Resume

Definition at line 106 of file iob.hh.

Constructor & Destructor Documentation

◆ Iob()

Iob::Iob ( const Params * p )

Definition at line 56 of file iob.cc.

References Iob::IntMan::cpu, intCtl, intMan, iobJBusAddr, iobJBusSize, iobManAddr, iobManSize, Iob::IntCtl::mask, MaxNiagaraProcs, NumDeviceIds, params(), Iob::IntCtl::pend, pioDelay, X86ISA::system, ULL, Iob::IntMan::vector, and X86ISA::x.

Referenced by unserialize().

Member Function Documentation

◆ generateIpi()

void Iob::generateIpi	(	Type	type,
		int	cpu_id,
		int	vector
	)

Definition at line 278 of file iob.cc.

References DPRINTF, ic, SparcISA::SparcFaultBase::invoke(), SparcISA::IT_INT_VEC, System::numContexts(), panic, IntrControl::post(), PioDevice::sys, System::threadContexts, SparcISA::SparcFault< T >::trapType(), and warn.

Referenced by params(), and writeIob().

◆ getAddrRanges()

AddrRangeList Iob::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 PioDevice.

Definition at line 331 of file iob.cc.

References iobJBusAddr, iobJBusSize, iobManAddr, iobManSize, and RangeSize().

Referenced by params().

◆ params()

const Params* Iob::params ( ) const

inline

Definition at line 130 of file iob.hh.

References SimObject::_params, generateIpi(), getAddrRanges(), read(), receiveDeviceInterrupt(), receiveJBusInterrupt(), serialize(), type, unserialize(), Iob::IntMan::vector, and write().

Referenced by Iob().

◆ read()

Tick Iob::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 PioDevice.

Definition at line 77 of file iob.cc.

References Packet::getAddr(), iobJBusAddr, iobJBusSize, iobManAddr, iobManSize, Packet::makeAtomicResponse(), panic, pioDelay, readIob(), and readJBus().

Referenced by params().

◆ readIob()

void Iob::readIob ( PacketPtr pkt )

private

Definition at line 92 of file iob.cc.

References Iob::IntMan::cpu, data, Packet::getAddr(), MipsISA::index, intCtl, IntCtlAddr, IntCtlSize, intMan, IntManAddr, IntManSize, iobManAddr, jIntVec, JIntVecAddr, Iob::IntCtl::mask, panic, Iob::IntCtl::pend, Packet::setBE(), and Iob::IntMan::vector.

Referenced by read().

◆ readJBus()

void Iob::readJBus ( PacketPtr pkt )

private

Definition at line 121 of file iob.cc.

References Iob::IntBusy::busy, MipsISA::cpuid, data, Packet::getAddr(), MipsISA::index, iobJBusAddr, jBusData0, jBusData1, JIntABusyAddr, jIntBusy, JIntBusyAddr, JIntBusySize, JIntData0Addr, JIntData1Addr, JIntDataA0Addr, JIntDataA1Addr, panic, Packet::req, Packet::setBE(), and Iob::IntBusy::source.

Referenced by read().

◆ receiveDeviceInterrupt()

void Iob::receiveDeviceInterrupt ( DeviceId devid )

Definition at line 264 of file iob.cc.

References DPRINTF, ic, intCtl, intMan, SparcISA::IT_INT_VEC, ArmISA::mask, Iob::IntCtl::mask, NumDeviceIds, Iob::IntCtl::pend, IntrControl::post(), and X86ISA::vector.

Referenced by params().

◆ receiveJBusInterrupt()

bool Iob::receiveJBusInterrupt	(	int	cpu_id,
		int	source,
		uint64_t	d0,
		uint64_t	d1
	)

Definition at line 311 of file iob.cc.

References Iob::IntBusy::busy, DPRINTF, ic, SparcISA::IT_INT_VEC, jBusData0, jBusData1, jIntBusy, jIntVec, IntrControl::post(), and Iob::IntBusy::source.

Referenced by params().

◆ serialize()

void Iob::serialize ( CheckpointOut & cp ) const

overridevirtual

Serialize an object.

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

Parameters

cp	Checkpoint state

Implements Serializable.

Definition at line 341 of file iob.cc.

References csprintf(), intCtl, intMan, jBusData0, jBusData1, jIntBusy, jIntVec, ArmISA::mask, MaxNiagaraProcs, NumDeviceIds, paramOut(), SERIALIZE_ARRAY, SERIALIZE_SCALAR, X86ISA::vector, and X86ISA::x.

Referenced by params().

◆ unserialize()

void Iob::unserialize ( CheckpointIn & cp )

overridevirtual

Unserialize an object.

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

Parameters

cp	Checkpoint state

Implements Serializable.

Definition at line 362 of file iob.cc.

References csprintf(), intCtl, intMan, Iob(), jBusData0, jBusData1, jIntBusy, jIntVec, ArmISA::mask, MaxNiagaraProcs, NumDeviceIds, paramIn(), UNSERIALIZE_ARRAY, UNSERIALIZE_SCALAR, X86ISA::vector, and X86ISA::x.

Referenced by params().

◆ write()

Tick Iob::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 PioDevice.

Definition at line 171 of file iob.cc.

References Packet::getAddr(), iobJBusAddr, iobJBusSize, iobManAddr, iobManSize, Packet::makeAtomicResponse(), panic, pioDelay, writeIob(), and writeJBus().

Referenced by params().

◆ writeIob()

void Iob::writeIob ( PacketPtr pkt )

private

Definition at line 186 of file iob.cc.

References bits(), Iob::IntMan::cpu, data, DPRINTF, generateIpi(), Packet::getAddr(), Packet::getBE(), MipsISA::index, intCtl, IntCtlAddr, IntCtlSize, intMan, IntManAddr, IntManSize, IntVecDisAddr, IntVecDisSize, iobManAddr, jIntVec, JIntVecAddr, Iob::IntCtl::mask, panic, Iob::IntCtl::pend, type, X86ISA::vector, and Iob::IntMan::vector.

Referenced by write().

◆ writeJBus()

void Iob::writeJBus ( PacketPtr pkt )

private

Definition at line 237 of file iob.cc.

References bits(), Iob::IntBusy::busy, MipsISA::cpuid, data, DPRINTF, Packet::getAddr(), Packet::getBE(), MipsISA::index, iobJBusAddr, JIntABusyAddr, jIntBusy, JIntBusyAddr, JIntBusySize, panic, and Packet::req.

Referenced by write().

Member Data Documentation

◆ ic

IntrControl* Iob::ic

private

Definition at line 76 of file iob.hh.

Referenced by generateIpi(), receiveDeviceInterrupt(), and receiveJBusInterrupt().

◆ intCtl

IntCtl Iob::intCtl[NumDeviceIds]

private

Definition at line 114 of file iob.hh.

Referenced by Iob(), readIob(), receiveDeviceInterrupt(), serialize(), unserialize(), and writeIob().

◆ intMan

IntMan Iob::intMan[NumDeviceIds]

private

Definition at line 113 of file iob.hh.

Referenced by Iob(), readIob(), receiveDeviceInterrupt(), serialize(), unserialize(), and writeIob().

◆ iobJBusAddr

Addr Iob::iobJBusAddr

private

Definition at line 79 of file iob.hh.

Referenced by getAddrRanges(), Iob(), read(), readJBus(), write(), and writeJBus().

◆ iobJBusSize

Addr Iob::iobJBusSize

private

Definition at line 80 of file iob.hh.

Referenced by getAddrRanges(), Iob(), read(), and write().

◆ iobManAddr

Addr Iob::iobManAddr

private

Definition at line 77 of file iob.hh.

Referenced by getAddrRanges(), Iob(), read(), readIob(), write(), and writeIob().

◆ iobManSize

Addr Iob::iobManSize

private

Definition at line 78 of file iob.hh.

Referenced by getAddrRanges(), Iob(), read(), and write().

◆ jBusData0

uint64_t Iob::jBusData0[MaxNiagaraProcs]

private

Definition at line 116 of file iob.hh.

Referenced by readJBus(), receiveJBusInterrupt(), serialize(), and unserialize().

◆ jBusData1

uint64_t Iob::jBusData1[MaxNiagaraProcs]

private

Definition at line 117 of file iob.hh.

Referenced by readJBus(), receiveJBusInterrupt(), serialize(), and unserialize().

◆ jIntBusy

IntBusy Iob::jIntBusy[MaxNiagaraProcs]

private

Definition at line 118 of file iob.hh.

Referenced by readJBus(), receiveJBusInterrupt(), serialize(), unserialize(), and writeJBus().

◆ jIntVec

uint64_t Iob::jIntVec

private

Definition at line 115 of file iob.hh.

Referenced by readIob(), receiveJBusInterrupt(), serialize(), unserialize(), and writeIob().

◆ pioDelay

Tick Iob::pioDelay

private

Definition at line 81 of file iob.hh.

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

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

dev/sparc/iob.hh
dev/sparc/iob.cc

Classes

Public Types

Public Member Functions

Private Types

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ Params

Member Enumeration Documentation

◆ DeviceId

◆ Type

Constructor & Destructor Documentation

◆ Iob()

Member Function Documentation

◆ generateIpi()

◆ getAddrRanges()

◆ params()

◆ read()

◆ readIob()

◆ readJBus()

◆ receiveDeviceInterrupt()

◆ receiveJBusInterrupt()

◆ serialize()

◆ unserialize()

◆ write()

◆ writeIob()

◆ writeJBus()

Member Data Documentation

◆ ic

◆ intCtl

◆ intMan

◆ iobJBusAddr

◆ iobJBusSize

◆ iobManAddr

◆ iobManSize

◆ jBusData0

◆ jBusData1

◆ jIntBusy

◆ jIntVec

◆ pioDelay