gem5::ThreadState Struct Reference

Struct for holding general thread state that is needed across CPU models. More...

#include <thread_state.hh>

Inheritance diagram for gem5::ThreadState:

Classes
struct	ThreadStateStats

Public Types
typedef ThreadContext::Status	Status

Public Member Functions
	ThreadState (BaseCPU *cpu, ThreadID _tid, Process *_process)
virtual	~ThreadState ()
void	serialize (CheckpointOut &cp) const override
	Serialize an object. More...
void	unserialize (CheckpointIn &cp) override
	Unserialize an object. More...
int	cpuId () const
uint32_t	socketId () const
ContextID	contextId () const
void	setContextId (ContextID id)
void	setThreadId (ThreadID id)
ThreadID	threadId () const
Tick	readLastActivate () const
Tick	readLastSuspend () const
void	initMemProxies (ThreadContext *tc)
	Initialise the physical and virtual port proxies and tie them to the data port of the CPU. More...
PortProxy &	getVirtProxy ()
Process *	getProcessPtr ()
void	setProcessPtr (Process *p)
Status	status () const
	Returns the status of this thread. More...
void	setStatus (Status new_status)
	Sets the status of this thread. More...
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. 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 Attributes
Counter	numInst
	Number of instructions committed. More...
Counter	numOp
	Number of ops (including micro ops) committed. More...
gem5::ThreadState::ThreadStateStats	threadStats
Counter	numLoad
	Number of simulated loads, used for tracking events based on the number of loads committed. More...
Counter	startNumLoad
	The number of simulated loads committed prior to this run. More...
Tick	lastActivate
	Last time activate was called on this thread. More...
Tick	lastSuspend
	Last time suspend was called on this thread. More...
unsigned	storeCondFailures

Protected Attributes
ThreadContext::Status	_status
BaseCPU *	baseCpu
ContextID	_contextId
ThreadID	_threadId
Process *	process
PortProxy *	virtProxy
	A translating port proxy, outgoing only, for functional accesse to virtual addresses. More...

Additional Inherited Members
Static Public Member Functions inherited from gem5::Serializable
static const std::string &	currentSection ()
	Gets the fully-qualified name of the active section. More...
static void	generateCheckpointOut (const std::string &cpt_dir, std::ofstream &outstream)
	Generate a checkpoint file so that the serialization can be routed to it. More...

Detailed Description

Struct for holding general thread state that is needed across CPU models.

This includes things such as pointers to the process, memory, quiesce events, and certain stats. This can be expanded to hold more thread-specific stats within it.

Definition at line 47 of file thread_state.hh.

Member Typedef Documentation

Status

typedef ThreadContext::Status gem5::ThreadState::Status

Definition at line 49 of file thread_state.hh.

Constructor & Destructor Documentation

ThreadState()

gem5::ThreadState::ThreadState	(	BaseCPU *	cpu,
		ThreadID	_tid,
		Process *	_process
	)

Definition at line 44 of file thread_state.cc.

~ThreadState()

gem5::ThreadState::~ThreadState ( )

virtual

Definition at line 53 of file thread_state.cc.

References virtProxy.

Member Function Documentation

contextId()

ContextID gem5::ThreadState::contextId ( ) const

inline

Definition at line 63 of file thread_state.hh.

References _contextId.

Referenced by gem5::o3::ThreadContext::contextId(), gem5::SimpleThread::contextId(), and gem5::o3::DynInst::contextId().

cpuId()

int gem5::ThreadState::cpuId ( ) const

inline

Definition at line 59 of file thread_state.hh.

References baseCpu, and gem5::BaseCPU::cpuId().

Referenced by gem5::SimpleThread::cpuId().

getProcessPtr()

Process* gem5::ThreadState::getProcessPtr ( )

inline

Definition at line 85 of file thread_state.hh.

References process.

Referenced by gem5::o3::ThreadContext::getProcessPtr(), and gem5::SimpleThread::getProcessPtr().

getVirtProxy()

PortProxy & gem5::ThreadState::getVirtProxy

(

)

Definition at line 88 of file thread_state.cc.

References virtProxy.

Referenced by gem5::o3::ThreadContext::getVirtProxy(), and gem5::SimpleThread::getVirtProxy().

initMemProxies()

void gem5::ThreadState::initMemProxies

(

ThreadContext *

tc

)

Initialise the physical and virtual port proxies and tie them to the data port of the CPU.

Parameters

tc	ThreadContext for the virtual-to-physical translation

Definition at line 72 of file thread_state.cc.

References gem5::FullSystem, gem5::SETranslatingPortProxy::NextPage, and virtProxy.

Referenced by gem5::o3::ThreadContext::initMemProxies(), and gem5::SimpleThread::initMemProxies().

readLastActivate()

Tick gem5::ThreadState::readLastActivate ( ) const

inline

Definition at line 71 of file thread_state.hh.

References lastActivate.

Referenced by gem5::SimpleThread::readLastActivate().

readLastSuspend()

Tick gem5::ThreadState::readLastSuspend ( ) const

inline

Definition at line 73 of file thread_state.hh.

References lastSuspend.

Referenced by gem5::SimpleThread::readLastSuspend().

serialize()

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

overridevirtual

Serialize an object.

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

Parameters

cp	Checkpoint state

Implements gem5::Serializable.

Definition at line 60 of file thread_state.cc.

References _status, and SERIALIZE_ENUM.

Referenced by gem5::o3::ThreadState::serialize(), and gem5::SimpleThread::serialize().

setContextId()

void gem5::ThreadState::setContextId ( ContextID  id )

inline

Definition at line 65 of file thread_state.hh.

References _contextId, and gem5::ArmISA::id.

Referenced by gem5::o3::ThreadContext::setContextId(), and gem5::SimpleThread::setContextId().

setProcessPtr()

void gem5::ThreadState::setProcessPtr ( Process *  p )

inline

Definition at line 87 of file thread_state.hh.

References gem5::MipsISA::p, and process.

Referenced by gem5::o3::ThreadContext::setProcessPtr(), and gem5::SimpleThread::setProcessPtr().

setStatus()

void gem5::ThreadState::setStatus ( Status  new_status )

inline

Sets the status of this thread.

Definition at line 93 of file thread_state.hh.

References _status.

Referenced by gem5::o3::ThreadContext::activate(), gem5::o3::ThreadContext::halt(), gem5::o3::ThreadContext::setStatus(), and gem5::o3::ThreadContext::suspend().

setThreadId()

void gem5::ThreadState::setThreadId ( ThreadID  id )

inline

Definition at line 67 of file thread_state.hh.

References _threadId, and gem5::ArmISA::id.

Referenced by gem5::o3::ThreadContext::setThreadId(), and gem5::SimpleThread::setThreadId().

socketId()

uint32_t gem5::ThreadState::socketId ( ) const

inline

Definition at line 61 of file thread_state.hh.

References baseCpu, and gem5::BaseCPU::socketId().

Referenced by gem5::SimpleThread::socketId().

status()

Status gem5::ThreadState::status ( ) const

inline

Returns the status of this thread.

Definition at line 90 of file thread_state.hh.

References _status.

Referenced by gem5::o3::ThreadContext::activate(), gem5::o3::ThreadContext::halt(), gem5::o3::ThreadContext::status(), and gem5::o3::ThreadContext::suspend().

threadId()

ThreadID gem5::ThreadState::threadId ( ) const

inline

Definition at line 69 of file thread_state.hh.

References _threadId.

Referenced by gem5::o3::ThreadContext::activate(), gem5::o3::ThreadContext::clearArchRegs(), gem5::o3::ThreadContext::conditionalSquash(), gem5::o3::ThreadContext::flattenRegId(), gem5::o3::ThreadContext::getDecoderPtr(), gem5::o3::ThreadContext::getIsaPtr(), gem5::o3::ThreadContext::getWritableVecPredRegFlat(), gem5::o3::ThreadContext::getWritableVecRegFlat(), gem5::o3::ThreadContext::halt(), gem5::o3::ThreadContext::htmAbortTransaction(), gem5::o3::ThreadContext::instAddr(), gem5::o3::ThreadContext::microPC(), gem5::o3::ThreadContext::nextInstAddr(), gem5::o3::ThreadContext::pcState(), gem5::o3::ThreadContext::pcStateNoRecord(), gem5::o3::ThreadContext::readCCRegFlat(), gem5::o3::ThreadContext::readFloatRegFlat(), gem5::o3::ThreadContext::readIntRegFlat(), gem5::o3::ThreadContext::readMiscReg(), gem5::o3::ThreadContext::readMiscRegNoEffect(), gem5::o3::ThreadContext::readVecElemFlat(), gem5::o3::ThreadContext::readVecPredRegFlat(), gem5::o3::ThreadContext::readVecRegFlat(), gem5::o3::ThreadContext::setCCRegFlat(), gem5::o3::ThreadContext::setFloatRegFlat(), gem5::o3::ThreadContext::setIntRegFlat(), gem5::o3::ThreadContext::setMiscReg(), gem5::o3::ThreadContext::setMiscRegNoEffect(), gem5::o3::ThreadContext::setVecElemFlat(), gem5::o3::ThreadContext::setVecPredRegFlat(), gem5::o3::ThreadContext::setVecRegFlat(), gem5::o3::ThreadContext::suspend(), gem5::o3::ThreadContext::threadId(), and gem5::SimpleThread::threadId().

unserialize()

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

overridevirtual

Unserialize an object.

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

Parameters

cp	Checkpoint state

Implements gem5::Serializable.

Definition at line 66 of file thread_state.cc.

References _status, and UNSERIALIZE_ENUM.

Referenced by gem5::o3::ThreadState::unserialize(), and gem5::SimpleThread::unserialize().

Member Data Documentation

_contextId

ContextID gem5::ThreadState::_contextId

protected

Definition at line 128 of file thread_state.hh.

Referenced by contextId(), gem5::SimpleThread::copyState(), and setContextId().

_status

ThreadContext::Status gem5::ThreadState::_status

protected

Definition at line 122 of file thread_state.hh.

Referenced by gem5::SimpleThread::activate(), gem5::SimpleThread::copyState(), gem5::SimpleThread::halt(), serialize(), setStatus(), gem5::SimpleThread::setStatus(), status(), gem5::SimpleThread::status(), gem5::SimpleThread::suspend(), and unserialize().

_threadId

ThreadID gem5::ThreadState::_threadId

protected

Definition at line 131 of file thread_state.hh.

Referenced by gem5::SimpleThread::activate(), gem5::SimpleThread::copyState(), gem5::SimpleThread::halt(), setThreadId(), gem5::SimpleThread::suspend(), and threadId().

baseCpu

BaseCPU* gem5::ThreadState::baseCpu

protected

Definition at line 125 of file thread_state.hh.

Referenced by gem5::SimpleThread::activate(), cpuId(), gem5::SimpleThread::getCpuPtr(), gem5::SimpleThread::halt(), gem5::SimpleThread::htmAbortTransaction(), gem5::SimpleThread::name(), socketId(), and gem5::SimpleThread::suspend().

lastActivate

Tick gem5::ThreadState::lastActivate

Last time activate was called on this thread.

Definition at line 135 of file thread_state.hh.

Referenced by gem5::o3::ThreadContext::activate(), gem5::SimpleThread::activate(), gem5::BaseKvmCPU::activateContext(), readLastActivate(), gem5::o3::ThreadContext::readLastActivate(), gem5::o3::ThreadContext::suspend(), and gem5::SimpleThread::suspend().

lastSuspend

Tick gem5::ThreadState::lastSuspend

Last time suspend was called on this thread.

Definition at line 138 of file thread_state.hh.

Referenced by gem5::BaseKvmCPU::activateContext(), readLastSuspend(), gem5::o3::ThreadContext::readLastSuspend(), gem5::o3::ThreadContext::suspend(), and gem5::SimpleThread::suspend().

numInst

Counter gem5::ThreadState::numInst

Number of instructions committed.

Definition at line 98 of file thread_state.hh.

Referenced by gem5::minor::Execute::doInstCommitAccounting().

numLoad

Counter gem5::ThreadState::numLoad

Number of simulated loads, used for tracking events based on the number of loads committed.

Definition at line 116 of file thread_state.hh.

numOp

Counter gem5::ThreadState::numOp

Number of ops (including micro ops) committed.

Definition at line 100 of file thread_state.hh.

Referenced by gem5::minor::Execute::doInstCommitAccounting().

process

Process* gem5::ThreadState::process

protected

Definition at line 141 of file thread_state.hh.

Referenced by getProcessPtr(), and setProcessPtr().

startNumLoad

Counter gem5::ThreadState::startNumLoad

The number of simulated loads committed prior to this run.

Definition at line 119 of file thread_state.hh.

storeCondFailures

unsigned gem5::ThreadState::storeCondFailures

Definition at line 152 of file thread_state.hh.

Referenced by gem5::o3::ThreadContext::readStCondFailures(), gem5::SimpleThread::readStCondFailures(), gem5::o3::DynInst::readStCondFailures(), gem5::o3::ThreadContext::setStCondFailures(), gem5::SimpleThread::setStCondFailures(), gem5::o3::DynInst::setStCondFailures(), and gem5::SimpleThread::takeOverFrom().

threadStats

gem5::ThreadState::ThreadStateStats gem5::ThreadState::threadStats

Referenced by gem5::minor::Execute::doInstCommitAccounting().

virtProxy

PortProxy* gem5::ThreadState::virtProxy

protected

A translating port proxy, outgoing only, for functional accesse to virtual addresses.

Definition at line 145 of file thread_state.hh.

Referenced by getVirtProxy(), initMemProxies(), and ~ThreadState().

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

• cpu/thread_state.hh
• cpu/thread_state.cc