#include <cpu.hh>

Inheritance diagram for Iris::BaseCPU:

Public Member Functions
	BaseCPU (BaseCPUParams params, sc_core::sc_module _evs)

virtual	~BaseCPU ()

Port &	getDataPort () override
	Purely virtual method that returns a reference to the data port. More...

Port &	getInstPort () override
	Purely virtual method that returns a reference to the instruction port. More...

void	wakeup (ThreadID tid) override

Counter	totalInsts () const override

Counter	totalOps () const override

PortProxy::SendFunctionalFunc	getSendFunctional () override
	Returns a sendFunctional delegate for use with port proxies. More...

Public Member Functions inherited from BaseCPU
int	cpuId () const
	Reads this CPU's ID. More...

uint32_t	socketId () const
	Reads this CPU's Socket ID. More...

RequestorID	dataRequestorId () const
	Reads this CPU's unique data requestor ID. More...

RequestorID	instRequestorId () const
	Reads this CPU's unique instruction requestor ID. More...

Port &	getPort (const std::string &if_name, PortID idx=InvalidPortID) override
	Get a port on this CPU. More...

uint32_t	taskId () const
	Get cpu task id. More...

void	taskId (uint32_t id)
	Set cpu task id. More...

uint32_t	getPid () const

void	setPid (uint32_t pid)

void	workItemBegin ()

void	workItemEnd ()

Tick	instCount ()

BaseInterrupts *	getInterruptController (ThreadID tid)

void	postInterrupt (ThreadID tid, int int_num, int index)

void	clearInterrupt (ThreadID tid, int int_num, int index)

void	clearInterrupts (ThreadID tid)

bool	checkInterrupts (ThreadID tid) const

Trace::InstTracer *	getTracer ()
	Provide access to the tracer pointer. More...

virtual void	activateContext (ThreadID thread_num)
	Notify the CPU that the indicated context is now active. More...

virtual void	suspendContext (ThreadID thread_num)
	Notify the CPU that the indicated context is now suspended. More...

virtual void	haltContext (ThreadID thread_num)
	Notify the CPU that the indicated context is now halted. More...

int	findContext (ThreadContext *tc)
	Given a Thread Context pointer return the thread num. More...

virtual ThreadContext *	getContext (int tn)
	Given a thread num get tho thread context for it. More...

unsigned	numContexts ()
	Get the number of thread contexts available. More...

ThreadID	contextToThread (ContextID cid)
	Convert ContextID to threadID. More...

const Params *	params () const

	BaseCPU (Params *params, bool is_checker=false)

void	init () override

void	startup () override

void	regStats () override

void	regProbePoints () override

void	registerThreadContexts ()

void	deschedulePowerGatingEvent ()

void	schedulePowerGatingEvent ()

virtual void	switchOut ()
	Prepare for another CPU to take over execution. More...

virtual void	takeOverFrom (BaseCPU *cpu)
	Load the state of a CPU from the previous CPU object, invoked on all new CPUs that are about to be switched in. More...

void	flushTLBs ()
	Flush all TLBs in the CPU. More...

bool	switchedOut () const
	Determine if the CPU is switched out. More...

virtual void	verifyMemoryMode () const
	Verify that the system is in a memory mode supported by the CPU. More...

unsigned int	cacheLineSize () const
	Get the cache line size of the system. More...

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

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

virtual void	unserializeThread (CheckpointIn &cp, ThreadID tid)
	Unserialize one thread. More...

void	scheduleInstStop (ThreadID tid, Counter insts, const char *cause)
	Schedule an event that exits the simulation loops after a predefined number of instructions. More...

uint64_t	getCurrentInstCount (ThreadID tid)
	Get the number of instructions executed by the specified thread on this CPU. More...

void	traceFunctions (Addr pc)

void	armMonitor (ThreadID tid, Addr address)

bool	mwait (ThreadID tid, PacketPtr pkt)

void	mwaitAtomic (ThreadID tid, ThreadContext tc, BaseTLB dtb)

AddressMonitor *	getCpuAddrMonitor (ThreadID tid)

bool	waitForRemoteGDB () const

virtual void	probeInstCommit (const StaticInstPtr &inst, Addr pc)
	Helper method to trigger PMU probes for a committed instruction. More...

Protected Member Functions
void	clockPeriodUpdated () override

void	init () override

void	serializeThread (CheckpointOut &cp, ThreadID tid) const override
	Serialize a single thread. More...

Protected Member Functions inherited from BaseCPU
void	updateCycleCounters (CPUState state)
	base method keeping track of cycle progression More...

void	enterPwrGating ()

ProbePoints::PMUUPtr	pmuProbePoint (const char *name)
	Helper method to instantiate probe points belonging to this object. More...

Protected Attributes
sc_core::sc_module *	evs

Protected Attributes inherited from BaseCPU
Tick	instCnt
	Instruction count used for SPARC misc register. More...

int	_cpuId

const uint32_t	_socketId
	Each cpu will have a socket ID that corresponds to its physical location in the system. More...

RequestorID	_instRequestorId
	instruction side request id that must be placed in all requests More...

RequestorID	_dataRequestorId
	data side request id that must be placed in all requests More...

uint32_t	_taskId
	An intrenal representation of a task identifier within gem5. More...

uint32_t	_pid
	The current OS process ID that is executing on this processor. More...

bool	_switchedOut
	Is the CPU switched out or active? More...

const unsigned int	_cacheLineSize
	Cache the cache line size that we get from the system. More...

std::vector< BaseInterrupts * >	interrupts

std::vector< ThreadContext * >	threadContexts

Trace::InstTracer *	tracer

Cycles	previousCycle

CPUState	previousState

const Cycles	pwrGatingLatency

const bool	powerGatingOnIdle

EventFunctionWrapper	enterPwrGatingEvent

ProbePoints::PMUUPtr	ppRetiredInsts
	Instruction commit probe point. More...

ProbePoints::PMUUPtr	ppRetiredInstsPC

ProbePoints::PMUUPtr	ppRetiredLoads
	Retired load instructions. More...

ProbePoints::PMUUPtr	ppRetiredStores
	Retired store instructions. More...

ProbePoints::PMUUPtr	ppRetiredBranches
	Retired branches (any type) More...

ProbePoints::PMUUPtr	ppAllCycles
	CPU cycle counter even if any thread Context is suspended. More...

ProbePoints::PMUUPtr	ppActiveCycles
	CPU cycle counter, only counts if any thread contexts is active. More...

ProbePointArg< bool > *	ppSleeping
	ProbePoint that signals transitions of threadContexts sets. More...

Private Attributes
sc_core::sc_event *	clockEvent

sc_core::sc_attribute< Tick > *	periodAttribute

sc_core::sc_attribute< PortProxy::SendFunctionalFunc > *	sendFunctional

Additional Inherited Members
Public Types inherited from BaseCPU
typedef BaseCPUParams	Params

Static Public Member Functions inherited from BaseCPU
static int	numSimulatedInsts ()

static int	numSimulatedOps ()

static void	wakeup (ThreadID tid)

static int	numSimulatedCPUs ()

static Counter	numSimulatedInsts ()

static Counter	numSimulatedOps ()

Public Attributes inherited from BaseCPU
ThreadID	numThreads
	Number of threads we're actually simulating (<= SMT_MAX_THREADS). More...

System *	system

Stats::Scalar	numCycles

Stats::Scalar	numWorkItemsStarted

Stats::Scalar	numWorkItemsCompleted

Cycles	syscallRetryLatency

Static Public Attributes inherited from BaseCPU
static const uint32_t	invldPid = std::numeric_limits<uint32_t>::max()
	Invalid or unknown Pid. More...

static const Addr	PCMask = ~((Addr)sizeof(TheISA::MachInst) - 1)

Protected Types inherited from BaseCPU
enum	CPUState { CPU_STATE_ON, CPU_STATE_SLEEP, CPU_STATE_WAKEUP }

Detailed Description

Definition at line 58 of file cpu.hh.

Constructor & Destructor Documentation

◆ BaseCPU()

BaseCPU::BaseCPU	(	BaseCPUParams *	params,
		sc_core::sc_module *	_evs
	)

Definition at line 37 of file cpu.cc.

References X86ISA::base, clockEvent, ArmISA::e, evs, sc_core::sc_object::get_attribute(), sc_core::sc_module::get_child_events(), panic_if, periodAttribute, Iris::PeriodAttributeName, sendFunctional, and Iris::SendFunctionalAttributeName.

◆ ~BaseCPU()

BaseCPU::~BaseCPU ( )

virtual

Reimplemented from BaseCPU.

Definition at line 71 of file cpu.cc.

References BaseCPU::threadContexts.

Member Function Documentation

◆ clockPeriodUpdated()

void Iris::BaseCPU::clockPeriodUpdated ( )

inlineoverrideprotected

Definition at line 105 of file cpu.hh.

References clockEvent, sc_core::sc_event::notify(), periodAttribute, sc_core::sc_attribute< T >::value, warn, and warn_if.

Referenced by FastModel::CortexA76::clockPeriodUpdated().

◆ getDataPort()

Port& Iris::BaseCPU::getDataPort ( )

inlineoverridevirtual

Purely virtual method that returns a reference to the data port.

All subclasses must implement this method.

Returns: a reference to the data port

Implements BaseCPU.

Definition at line 65 of file cpu.hh.

References panic.

◆ getInstPort()

Port& Iris::BaseCPU::getInstPort ( )

inlineoverridevirtual

Purely virtual method that returns a reference to the instruction port.

All subclasses must implement this method.

Returns: a reference to the instruction port

Implements BaseCPU.

Definition at line 71 of file cpu.hh.

References panic.

◆ getSendFunctional()

PortProxy::SendFunctionalFunc Iris::BaseCPU::getSendFunctional ( )

inlineoverridevirtual

Returns a sendFunctional delegate for use with port proxies.

Reimplemented from BaseCPU.

Definition at line 88 of file cpu.hh.

References sendFunctional, and sc_core::sc_attribute< T >::value.

Referenced by Iris::ThreadContext::initMemProxies().

◆ init()

void BaseCPU::init ( )

overrideprotected

Definition at line 88 of file cpu.cc.

References BaseCPU::init(), and BaseCPU::threadContexts.

◆ serializeThread()

void BaseCPU::serializeThread	(	CheckpointOut &	cp,
		ThreadID	tid
	)		const

overrideprotectedvirtual

Serialize a single thread.

Parameters

cp	The stream to serialize to.
tid	ID of the current thread.

Reimplemented from BaseCPU.

Definition at line 96 of file cpu.cc.

References BaseCPU::serialize(), and BaseCPU::threadContexts.

◆ totalInsts()

Counter BaseCPU::totalInsts ( ) const

overridevirtual

Implements BaseCPU.

Definition at line 79 of file cpu.cc.

References X86ISA::count, and BaseCPU::threadContexts.

Referenced by totalOps().

◆ totalOps()

Counter Iris::BaseCPU::totalOps ( ) const

inlineoverridevirtual

Implements BaseCPU.

Definition at line 85 of file cpu.hh.

References totalInsts().

◆ wakeup()

void Iris::BaseCPU::wakeup ( ThreadID tid )

inlineoverridevirtual

Implements BaseCPU.

Definition at line 77 of file cpu.hh.

References ThreadContext::Suspended, and BaseCPU::threadContexts.

Member Data Documentation

◆ clockEvent

sc_core::sc_event* Iris::BaseCPU::clockEvent

private

Definition at line 99 of file cpu.hh.

Referenced by BaseCPU(), and clockPeriodUpdated().

◆ evs

sc_core::sc_module* Iris::BaseCPU::evs

protected

Definition at line 96 of file cpu.hh.

Referenced by BaseCPU(), and Iris::CPU< CortexA76TC >::CPU().

◆ periodAttribute

sc_core::sc_attribute<Tick>* Iris::BaseCPU::periodAttribute

private

Definition at line 100 of file cpu.hh.

Referenced by BaseCPU(), and clockPeriodUpdated().

◆ sendFunctional

sc_core::sc_attribute<PortProxy::SendFunctionalFunc>* Iris::BaseCPU::sendFunctional

private

Definition at line 101 of file cpu.hh.

Referenced by BaseCPU(), and getSendFunctional().

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

arch/arm/fastmodel/iris/cpu.hh
arch/arm/fastmodel/iris/cpu.cc

Public Member Functions

Protected Member Functions

Protected Attributes

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ BaseCPU()

◆ ~BaseCPU()

Member Function Documentation

◆ clockPeriodUpdated()

◆ getDataPort()

◆ getInstPort()

◆ getSendFunctional()

◆ init()

◆ serializeThread()

◆ totalInsts()

◆ totalOps()

◆ wakeup()

Member Data Documentation

◆ clockEvent

◆ evs

◆ periodAttribute

◆ sendFunctional