#include <lsq.hh>

Inheritance diagram for gem5::o3::LSQ::SingleDataRequest:

Public Member Functions
	SingleDataRequest (LSQUnit port, const DynInstPtr &inst, bool isLoad, const Addr &addr, const uint32_t &size, const Request::Flags &flags_, PacketDataPtr data=nullptr, uint64_t res=nullptr, AtomicOpFunctorPtr amo_op=nullptr)

virtual	~SingleDataRequest ()

virtual void	initiateTranslation ()

virtual void	finish (const Fault &fault, const RequestPtr &req, gem5::ThreadContext *tc, BaseMMU::Mode mode)

virtual bool	recvTimingResp (PacketPtr pkt)

virtual void	sendPacketToCache ()

virtual void	buildPackets ()

virtual Cycles	handleLocalAccess (gem5::ThreadContext *thread, PacketPtr pkt)
	Memory mapped IPR accesses. More...

virtual bool	isCacheBlockHit (Addr blockAddr, Addr cacheBlockMask)
	Test if the request accesses a particular cache line. More...

virtual std::string	name () const

Public Member Functions inherited from gem5::o3::LSQ::LSQRequest
void	packetSent ()
	Update the status to reflect that a packet was sent. More...

void	packetNotSent ()
	Update the status to reflect that a packet was not sent. More...

void	sendFragmentToTranslation (int i)

bool	isComplete ()

bool	isInTranslation ()

bool	isTranslationComplete ()

bool	isTranslationBlocked ()

bool	isSent ()

bool	isPartialFault ()

bool	isMemAccessRequired ()

void	setStateToFault ()

void	freeLSQEntry ()
	The LSQ entry is cleared. More...

void	discard ()
	The request is discarded (e.g. More...

void	packetReplied ()

void	writebackScheduled ()

void	writebackDone ()

void	squashTranslation ()

void	complete ()

void	setContext (const ContextID &context_id)
	Convenience getters/setters. More...

const DynInstPtr &	instruction ()

void	setVirt (Addr vaddr, unsigned size, Request::Flags flags_, RequestorID requestor_id, Addr pc)
	Set up virtual request. More...

void	taskId (const uint32_t &v)

uint32_t	taskId () const

RequestPtr	request (int idx=0)

const RequestPtr	request (int idx=0) const

Addr	getVaddr (int idx=0) const

PacketPtr	packet (int idx=0)

virtual PacketPtr	mainPacket ()

virtual RequestPtr	mainRequest ()

void	senderState (LSQSenderState *st)

const LSQSenderState *	senderState () const

void	discardSenderState ()
	Mark senderState as discarded. More...

bool	isAnyOutstandingRequest ()
	Test if there is any in-flight translation or mem access request. More...

bool	isSplit () const

Public Member Functions inherited from gem5::BaseMMU::Translation
virtual	~Translation ()

Protected Types
using	Flag = LSQRequest::Flag

using	State = LSQRequest::State

Protected Types inherited from gem5::o3::LSQ::LSQRequest
enum	Flag : FlagsStorage { IsLoad = 0x00000001, WbStore = 0x00000002, Delayed = 0x00000004, IsSplit = 0x00000008, TranslationStarted = 0x00000010, TranslationFinished = 0x00000020, Sent = 0x00000040, Retry = 0x00000080, Complete = 0x00000100, TranslationSquashed = 0x00000200, Discarded = 0x00000400, LSQEntryFreed = 0x00000800, WritebackScheduled = 0x00001000, WritebackDone = 0x00002000, IsAtomic = 0x00004000 }

enum	State { State::NotIssued, State::Translation, State::Request, State::Fault, State::PartialFault }

typedef uint32_t	FlagsStorage

typedef Flags< FlagsStorage >	FlagsType

Protected Member Functions
bool	isLoad () const

bool	isTranslationComplete ()

LSQUnit *	lsqUnit ()

RequestPtr	request (int idx=0)

const RequestPtr	request (int idx=0) const

void	sendFragmentToTranslation (int i)

void	setState (const State &newState)

Protected Member Functions inherited from gem5::o3::LSQ::LSQRequest
void	setState (const State &newState)

void	markDelayed () override
	Signal that the translation has been delayed due to a hw page table walk. More...

bool	isDelayed ()

LSQUnit *	lsqUnit ()

	LSQRequest (LSQUnit *port, const DynInstPtr &inst, bool isLoad)

	LSQRequest (LSQUnit port, const DynInstPtr &inst, bool isLoad, const Addr &addr, const uint32_t &size, const Request::Flags &flags_, PacketDataPtr data=nullptr, uint64_t res=nullptr, AtomicOpFunctorPtr amo_op=nullptr)

bool	isLoad () const

bool	isAtomic () const

void	install ()
	Install the request in the LQ/SQ. More...

bool	squashed () const override
	This function is used by the page table walker to determine if it should translate the a pending request or if the underlying request has been squashed. More...

bool	isReleased ()
	Test if the LSQRequest has been released, i.e. More...

void	release (Flag reason)
	Release the LSQRequest. More...

void	addRequest (Addr addr, unsigned size, const std::vector< bool > &byte_enable)
	Helper function used to add a (sub)request, given its address `addr`, size `size` and byte-enable mask `byteEnable`. More...

virtual	~LSQRequest ()
	Destructor. More...

Protected Attributes
const Addr	_addr

std::vector< Fault >	_fault

const Request::Flags	_flags

const uint32_t	_size

std::vector< bool >	_byteEnable

std::vector< RequestPtr >	_requests

const DynInstPtr	_inst

std::vector< PacketPtr >	_packets

LSQUnit &	_port

uint64_t *	_res

uint32_t	_taskId

LSQSenderState *	_senderState

State	_state

FlagsType	flags

uint32_t	numInTranslationFragments

uint32_t	numTranslatedFragments

uint32_t	_numOutstandingPackets

AtomicOpFunctorPtr	_amo_op

Protected Attributes inherited from gem5::o3::LSQ::LSQRequest
FlagsType	flags

State	_state

LSQSenderState *	_senderState

uint32_t	numTranslatedFragments

uint32_t	numInTranslationFragments

uint32_t	_entryIdx
	LQ/SQ entry idx. More...

Additional Inherited Members
Public Attributes inherited from gem5::o3::LSQ::LSQRequest
LSQUnit &	_port

const DynInstPtr	_inst

uint32_t	_taskId

PacketDataPtr	_data

std::vector< PacketPtr >	_packets

std::vector< RequestPtr >	_requests

std::vector< Fault >	_fault

uint64_t *	_res

const Addr	_addr

const uint32_t	_size

const Request::Flags	_flags

std::vector< bool >	_byteEnable

uint32_t	_numOutstandingPackets

AtomicOpFunctorPtr	_amo_op

Detailed Description

Definition at line 629 of file lsq.hh.

Member Typedef Documentation

◆ Flag

using gem5::o3::LSQ::SingleDataRequest::Flag = LSQRequest::Flag

protected

Definition at line 634 of file lsq.hh.

◆ State

using gem5::o3::LSQ::SingleDataRequest::State = LSQRequest::State

protected

Definition at line 635 of file lsq.hh.

Constructor & Destructor Documentation

◆ SingleDataRequest()

gem5::o3::LSQ::SingleDataRequest::SingleDataRequest	(	LSQUnit *	port,
		const DynInstPtr &	inst,
		bool	isLoad,
		const Addr &	addr,
		const uint32_t &	size,
		const Request::Flags &	flags_,
		PacketDataPtr	data = `nullptr`,
		uint64_t *	res = `nullptr`,
		AtomicOpFunctorPtr	amo_op = `nullptr`
	)

inline

Definition at line 661 of file lsq.hh.

◆ ~SingleDataRequest()

virtual gem5::o3::LSQ::SingleDataRequest::~SingleDataRequest ( )

inlinevirtual

Definition at line 668 of file lsq.hh.

Member Function Documentation

◆ buildPackets()

void gem5::o3::LSQ::SingleDataRequest::buildPackets ( )

virtual

Implements gem5::o3::LSQ::LSQRequest.

Definition at line 1163 of file lsq.cc.

References gem5::Packet::createRead(), gem5::Packet::createWrite(), and DPRINTF.

◆ finish()

void gem5::o3::LSQ::SingleDataRequest::finish	(	const Fault &	fault,
		const RequestPtr &	req,
		gem5::ThreadContext *	tc,
		BaseMMU::Mode	mode
	)

virtual

Implements gem5::BaseMMU::Translation.

Reimplemented in gem5::o3::LSQ::HtmCmdRequest.

Definition at line 861 of file lsq.cc.

References gem5::o3::LSQ::LSQRequest::_fault, gem5::o3::LSQ::LSQRequest::_inst, gem5::o3::LSQ::LSQRequest::_res, gem5::o3::LSQ::LSQRequest::Fault, gem5::o3::LSQ::LSQRequest::flags, gem5::NoFault, gem5::o3::LSQ::LSQRequest::numInTranslationFragments, gem5::o3::LSQ::LSQRequest::numTranslatedFragments, gem5::o3::LSQ::LSQRequest::Request, gem5::Flags< T >::set(), gem5::o3::LSQ::LSQRequest::setState(), and gem5::o3::LSQ::LSQRequest::squashTranslation().

◆ handleLocalAccess()

Cycles gem5::o3::LSQ::SingleDataRequest::handleLocalAccess	(	gem5::ThreadContext *	thread,
		PacketPtr	pkt
	)

virtual

Memory mapped IPR accesses.

Implements gem5::o3::LSQ::LSQRequest.

Definition at line 1280 of file lsq.cc.

References gem5::Packet::req, and gem5::o3::LSQ::thread.

◆ initiateTranslation()

void gem5::o3::LSQ::SingleDataRequest::initiateTranslation ( )

virtual

Implements gem5::o3::LSQ::LSQRequest.

Reimplemented in gem5::o3::LSQ::HtmCmdRequest.

Definition at line 941 of file lsq.cc.

◆ isCacheBlockHit()

bool gem5::o3::LSQ::SingleDataRequest::isCacheBlockHit	(	Addr	blockAddr,
		Addr	cacheBlockMask
	)

virtual

Test if the request accesses a particular cache line.

Implements gem5::o3::LSQ::LSQRequest.

Definition at line 1307 of file lsq.cc.

References gem5::o3::LSQ::LSQRequest::_requests.

◆ isLoad()

bool gem5::o3::LSQ::LSQRequest::isLoad

inlineprotected

Definition at line 311 of file lsq.hh.

◆ isTranslationComplete()

bool gem5::o3::LSQ::LSQRequest::isTranslationComplete

inlineprotected

Definition at line 526 of file lsq.hh.

◆ lsqUnit()

LSQUnit* gem5::o3::LSQ::LSQRequest::lsqUnit

inlineprotected

Definition at line 303 of file lsq.hh.

◆ name()

virtual std::string gem5::o3::LSQ::SingleDataRequest::name ( ) const

inlinevirtual

Reimplemented from gem5::o3::LSQ::LSQRequest.

Reimplemented in gem5::o3::LSQ::HtmCmdRequest.

Definition at line 678 of file lsq.hh.

◆ recvTimingResp()

bool gem5::o3::LSQ::SingleDataRequest::recvTimingResp ( PacketPtr pkt )

virtual

Implements gem5::o3::LSQ::LSQRequest.

Definition at line 1124 of file lsq.cc.

References gem5::Complete, gem5::o3::LSQ::LSQSenderState::outstanding, and gem5::Packet::senderState.

◆ request() [1/2]

RequestPtr gem5::o3::LSQ::LSQRequest::request

inlineprotected

Definition at line 408 of file lsq.hh.

◆ request() [2/2]

const RequestPtr gem5::o3::LSQ::LSQRequest::request

inlineprotected

Definition at line 411 of file lsq.hh.

◆ sendFragmentToTranslation()

void gem5::o3::LSQ::LSQRequest::sendFragmentToTranslation

protected

Definition at line 1116 of file lsq.cc.

◆ sendPacketToCache()

void gem5::o3::LSQ::SingleDataRequest::sendPacketToCache ( )

virtual

Implements gem5::o3::LSQ::LSQRequest.

Definition at line 1261 of file lsq.cc.

◆ setState()

void gem5::o3::LSQ::LSQRequest::setState

inlineprotected

Definition at line 276 of file lsq.hh.

Member Data Documentation

◆ _addr

const Addr gem5::o3::LSQ::LSQRequest::_addr

protected

Definition at line 296 of file lsq.hh.

◆ _amo_op

AtomicOpFunctorPtr gem5::o3::LSQ::LSQRequest::_amo_op

protected

Definition at line 301 of file lsq.hh.

◆ _byteEnable

std::vector<bool> gem5::o3::LSQ::LSQRequest::_byteEnable

protected

Definition at line 299 of file lsq.hh.

◆ _fault

std::vector<Fault> gem5::o3::LSQ::LSQRequest::_fault

protected

Definition at line 294 of file lsq.hh.

◆ _flags

const Request::Flags gem5::o3::LSQ::LSQRequest::_flags

protected

Definition at line 298 of file lsq.hh.

◆ _inst

const DynInstPtr gem5::o3::LSQ::LSQRequest::_inst

protected

Definition at line 289 of file lsq.hh.

◆ _numOutstandingPackets

uint32_t gem5::o3::LSQ::LSQRequest::_numOutstandingPackets

protected

Definition at line 300 of file lsq.hh.

◆ _packets

std::vector<PacketPtr> gem5::o3::LSQ::LSQRequest::_packets

protected

Definition at line 292 of file lsq.hh.

◆ _port

LSQUnit& gem5::o3::LSQ::LSQRequest::_port

protected

Definition at line 288 of file lsq.hh.

◆ _requests

std::vector<RequestPtr> gem5::o3::LSQ::LSQRequest::_requests

protected

Definition at line 293 of file lsq.hh.

◆ _res

uint64_t* gem5::o3::LSQ::LSQRequest::_res

protected

Definition at line 295 of file lsq.hh.

◆ _senderState

LSQSenderState* gem5::o3::LSQ::LSQRequest::_senderState

protected

Definition at line 275 of file lsq.hh.

◆ _size

const uint32_t gem5::o3::LSQ::LSQRequest::_size

protected

Definition at line 297 of file lsq.hh.

◆ _state

State gem5::o3::LSQ::LSQRequest::_state

protected

Definition at line 274 of file lsq.hh.

◆ _taskId

uint32_t gem5::o3::LSQ::LSQRequest::_taskId

protected

Definition at line 290 of file lsq.hh.

◆ flags

FlagsType gem5::o3::LSQ::LSQRequest::flags

protected

Definition at line 264 of file lsq.hh.

◆ numInTranslationFragments

uint32_t gem5::o3::LSQ::LSQRequest::numInTranslationFragments

protected

Definition at line 279 of file lsq.hh.

◆ numTranslatedFragments

uint32_t gem5::o3::LSQ::LSQRequest::numTranslatedFragments

protected

Definition at line 278 of file lsq.hh.

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

cpu/o3/lsq.hh
cpu/o3/lsq.cc

Public Member Functions

Protected Types

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ Flag

◆ State

Constructor & Destructor Documentation

◆ SingleDataRequest()

◆ ~SingleDataRequest()

Member Function Documentation

◆ buildPackets()

◆ finish()

◆ handleLocalAccess()

◆ initiateTranslation()

◆ isCacheBlockHit()

◆ isLoad()

◆ isTranslationComplete()

◆ lsqUnit()

◆ name()

◆ recvTimingResp()

◆ request() [1/2]

◆ request() [2/2]

◆ sendFragmentToTranslation()

◆ sendPacketToCache()

◆ setState()

Member Data Documentation

◆ _addr

◆ _amo_op

◆ _byteEnable

◆ _fault

◆ _flags

◆ _inst

◆ _numOutstandingPackets

◆ _packets

◆ _port

◆ _requests

◆ _res

◆ _senderState

◆ _size

◆ _state

◆ _taskId

◆ flags

◆ numInTranslationFragments

◆ numTranslatedFragments