#include <lsq.hh>

Inheritance diagram for LSQ< Impl >::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, ThreadContext *tc, BaseTLB::Mode mode)

virtual bool	recvTimingResp (PacketPtr pkt)

virtual void	sendPacketToCache ()

virtual void	buildPackets ()

virtual Cycles	handleLocalAccess (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 LSQ< Impl >::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 BaseTLB::Translation
virtual	~Translation ()

Protected Types
using	Flag = typename LSQRequest::Flag

using	State = typename LSQRequest::State

Protected Types inherited from LSQ< Impl >::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 LSQ< Impl >::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...

virtual 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 LSQ< Impl >::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 LSQ< Impl >::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

template<class Impl>
class LSQ< Impl >::SingleDataRequest

Definition at line 694 of file lsq.hh.

Member Typedef Documentation

◆ Flag

template<class Impl >

using LSQ< Impl >::SingleDataRequest::Flag = typename LSQRequest::Flag

protected

Definition at line 699 of file lsq.hh.

◆ State

template<class Impl >

using LSQ< Impl >::SingleDataRequest::State = typename LSQRequest::State

protected

Definition at line 700 of file lsq.hh.

Constructor & Destructor Documentation

◆ SingleDataRequest()

template<class Impl >

LSQ< Impl >::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 726 of file lsq.hh.

◆ ~SingleDataRequest()

template<class Impl >

virtual LSQ< Impl >::SingleDataRequest::~SingleDataRequest ( )

inlinevirtual

Definition at line 735 of file lsq.hh.

Member Function Documentation

◆ buildPackets()

template<class Impl >

void LSQ< Impl >::SingleDataRequest::buildPackets

virtual

Implements LSQ< Impl >::LSQRequest.

Definition at line 1022 of file lsq_impl.hh.

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

◆ finish()

template<class Impl >

void LSQ< Impl >::SingleDataRequest::finish	(	const Fault &	fault,
		const RequestPtr &	req,
		ThreadContext *	tc,
		BaseTLB::Mode	mode
	)

virtual

Implements BaseTLB::Translation.

Reimplemented in LSQ< Impl >::HtmCmdRequest.

Definition at line 768 of file lsq_impl.hh.

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

◆ handleLocalAccess()

template<class Impl >

Cycles LSQ< Impl >::SingleDataRequest::handleLocalAccess	(	ThreadContext *	thread,
		PacketPtr	pkt
	)

virtual

Memory mapped IPR accesses.

Implements LSQ< Impl >::LSQRequest.

Definition at line 1143 of file lsq_impl.hh.

References Packet::req, and LSQ< Impl >::thread.

◆ initiateTranslation()

template<class Impl >

void LSQ< Impl >::SingleDataRequest::initiateTranslation

virtual

Implements LSQ< Impl >::LSQRequest.

Reimplemented in LSQ< Impl >::HtmCmdRequest.

Definition at line 850 of file lsq_impl.hh.

◆ isCacheBlockHit()

template<class Impl >

bool LSQ< Impl >::SingleDataRequest::isCacheBlockHit	(	Addr	blockAddr,
		Addr	cacheBlockMask
	)

virtual

Test if the request accesses a particular cache line.

Implements LSQ< Impl >::LSQRequest.

Definition at line 1172 of file lsq_impl.hh.

References LSQ< Impl >::LSQRequest::_requests.

◆ isLoad()

template<class Impl >

bool LSQ< Impl >::LSQRequest::isLoad

inlineprotected

Definition at line 337 of file lsq.hh.

◆ isTranslationComplete()

template<class Impl >

bool LSQ< Impl >::LSQRequest::isTranslationComplete

inlineprotected

Definition at line 591 of file lsq.hh.

◆ lsqUnit()

template<class Impl >

LSQUnit* LSQ< Impl >::LSQRequest::lsqUnit

inlineprotected

Definition at line 302 of file lsq.hh.

◆ name()

template<class Impl >

virtual std::string LSQ< Impl >::SingleDataRequest::name ( ) const

inlinevirtual

Reimplemented from LSQ< Impl >::LSQRequest.

Reimplemented in LSQ< Impl >::HtmCmdRequest.

Definition at line 744 of file lsq.hh.

◆ recvTimingResp()

template<class Impl >

bool LSQ< Impl >::SingleDataRequest::recvTimingResp ( PacketPtr pkt )

virtual

Implements LSQ< Impl >::LSQRequest.

Definition at line 981 of file lsq_impl.hh.

References Complete, LSQ< Impl >::LSQSenderState::outstanding, and Packet::senderState.

◆ request() [1/2]

template<class Impl >

RequestPtr LSQ< Impl >::LSQRequest::request

inlineprotected

Definition at line 473 of file lsq.hh.

◆ request() [2/2]

template<class Impl >

const RequestPtr LSQ< Impl >::LSQRequest::request

inlineprotected

Definition at line 476 of file lsq.hh.

◆ sendFragmentToTranslation()

template<class Impl >

void LSQ< Impl >::LSQRequest::sendFragmentToTranslation

protected

Definition at line 970 of file lsq_impl.hh.

◆ sendPacketToCache()

template<class Impl >

void LSQ< Impl >::SingleDataRequest::sendPacketToCache

virtual

Implements LSQ< Impl >::LSQRequest.

Definition at line 1122 of file lsq_impl.hh.

◆ setState()

template<class Impl >

void LSQ< Impl >::LSQRequest::setState

inlineprotected

Definition at line 275 of file lsq.hh.

Member Data Documentation

◆ _addr

template<class Impl >

const Addr LSQ< Impl >::LSQRequest::_addr

protected

Definition at line 295 of file lsq.hh.

◆ _amo_op

template<class Impl >

AtomicOpFunctorPtr LSQ< Impl >::LSQRequest::_amo_op

protected

Definition at line 300 of file lsq.hh.

◆ _byteEnable

template<class Impl >

std::vector<bool> LSQ< Impl >::LSQRequest::_byteEnable

protected

Definition at line 298 of file lsq.hh.

◆ _fault

template<class Impl >

std::vector<Fault> LSQ< Impl >::LSQRequest::_fault

protected

Definition at line 293 of file lsq.hh.

◆ _flags

template<class Impl >

const Request::Flags LSQ< Impl >::LSQRequest::_flags

protected

Definition at line 297 of file lsq.hh.

◆ _inst

template<class Impl >

const DynInstPtr LSQ< Impl >::LSQRequest::_inst

protected

Definition at line 288 of file lsq.hh.

◆ _numOutstandingPackets

template<class Impl >

uint32_t LSQ< Impl >::LSQRequest::_numOutstandingPackets

protected

Definition at line 299 of file lsq.hh.

◆ _packets

template<class Impl >

std::vector<PacketPtr> LSQ< Impl >::LSQRequest::_packets

protected

Definition at line 291 of file lsq.hh.

◆ _port

template<class Impl >

LSQUnit& LSQ< Impl >::LSQRequest::_port

protected

Definition at line 287 of file lsq.hh.

◆ _requests

template<class Impl >

std::vector<RequestPtr> LSQ< Impl >::LSQRequest::_requests

protected

Definition at line 292 of file lsq.hh.

◆ _res

template<class Impl >

uint64_t* LSQ< Impl >::LSQRequest::_res

protected

Definition at line 294 of file lsq.hh.

◆ _senderState

template<class Impl >

LSQSenderState* LSQ< Impl >::LSQRequest::_senderState

protected

Definition at line 274 of file lsq.hh.

◆ _size

template<class Impl >

const uint32_t LSQ< Impl >::LSQRequest::_size

protected

Definition at line 296 of file lsq.hh.

◆ _state

template<class Impl >

State LSQ< Impl >::LSQRequest::_state

protected

Definition at line 273 of file lsq.hh.

◆ _taskId

template<class Impl >

uint32_t LSQ< Impl >::LSQRequest::_taskId

protected

Definition at line 289 of file lsq.hh.

◆ flags

template<class Impl >

FlagsType LSQ< Impl >::LSQRequest::flags

protected

Definition at line 263 of file lsq.hh.

◆ numInTranslationFragments

template<class Impl >

uint32_t LSQ< Impl >::LSQRequest::numInTranslationFragments

protected

Definition at line 278 of file lsq.hh.

◆ numTranslatedFragments

template<class Impl >

uint32_t LSQ< Impl >::LSQRequest::numTranslatedFragments

protected

Definition at line 277 of file lsq.hh.

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

cpu/o3/lsq.hh
cpu/o3/lsq_impl.hh

Public Member Functions

Protected Types

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

template<class Impl> class LSQ< Impl >::SingleDataRequest

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

template<class Impl>
class LSQ< Impl >::SingleDataRequest