#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...

MasterID	dataMasterId () const
	Reads this CPU's unique data requestor ID. More...

MasterID	instMasterId () 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 (ThreadContext *tc) const

void	processProfileEvent ()

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

void	startup () override
	startup() is the final initialization call before simulation. More...

void	regStats () override
	Callback to set stat parameters. More...

void	regProbePoints () override
	Register probe points for this object. More...

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...

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	regProbeListeners ()
	Register probe listeners for this object. More...

ProbeManager *	getProbeManager ()
	Get the probe manager for this object. 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	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

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

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

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 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...

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...

MasterID	_instMasterId
	instruction side request id that must be placed in all requests More...

MasterID	_dataMasterId
	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...

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...

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

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

Public Types inherited from SimObject
typedef SimObjectParams	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 ()

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)

Public Attributes inherited from BaseCPU
TheISA::MicrocodeRom	microcodeRom

EventFunctionWrapper *	profileEvent

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)

Static Public Attributes inherited from Serializable
static int	ckptCount = 0

static int	ckptMaxCount = 0

static int	ckptPrevCount = -1

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

Detailed Description

Definition at line 60 of file cpu.hh.

Constructor & Destructor Documentation

◆ BaseCPU()

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

Definition at line 39 of file cpu.cc.

References X86ISA::base, clockEvent, Iris::ClockEventName, 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 73 of file cpu.cc.

References BaseCPU::threadContexts.

Member Function Documentation

◆ clockPeriodUpdated()

void Iris::BaseCPU::clockPeriodUpdated ( )

inlineoverrideprotectedvirtual

A hook subclasses can implement so they can do any extra work that's needed when the clock rate is changed.

Reimplemented from Clocked.

Definition at line 107 of file cpu.hh.

References Clocked::clockPeriod(), init(), sc_core::sc_event::notify(), serializeThread(), 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 67 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 73 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 90 of file cpu.hh.

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

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

◆ init()

void BaseCPU::init ( )

overrideprotectedvirtual

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 SimObject.

Definition at line 90 of file cpu.cc.

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

Referenced by clockPeriodUpdated().

◆ 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 98 of file cpu.cc.

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

Referenced by clockPeriodUpdated().

◆ totalInsts()

Counter BaseCPU::totalInsts ( ) const

overridevirtual

Implements BaseCPU.

Definition at line 81 of file cpu.cc.

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

Referenced by totalOps(), and wakeup().

◆ totalOps()

Counter Iris::BaseCPU::totalOps ( ) const

inlineoverridevirtual

Implements BaseCPU.

Definition at line 87 of file cpu.hh.

References totalInsts().

◆ wakeup()

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

inlineoverridevirtual

Implements BaseCPU.

Definition at line 79 of file cpu.hh.

References ThreadContext::Suspended, BaseCPU::threadContexts, and totalInsts().

Member Data Documentation

◆ clockEvent

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

private

Definition at line 101 of file cpu.hh.

Referenced by BaseCPU().

◆ evs

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

protected

Definition at line 98 of file cpu.hh.

Referenced by BaseCPU(), Iris::CPU< CortexA76TC >::CPU(), and FastModel::CortexA76Cluster::getEvs().

◆ periodAttribute

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

private

Definition at line 102 of file cpu.hh.

Referenced by BaseCPU().

◆ sendFunctional

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

private

Definition at line 103 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