gem5::prefetch::FetchDirectedPrefetcher::PrefetchRequest Struct Reference

The prefetch queue entry objects. More...

Inheritance diagram for gem5::prefetch::FetchDirectedPrefetcher::PrefetchRequest:

Public Member Functions
	PrefetchRequest (FetchDirectedPrefetcher &_owner, uint64_t _addr, ThreadID tid, o3::FTSeqNum ftn)
bool	operator== (const int &a) const
void	createPkt ()
	Creates the packet that is send to the memory.
void	finish (const Fault &fault, const RequestPtr &req, ThreadContext *tc, BaseMMU::Mode mode) override
void	startTranslation ()
	Issues the translation request.
void	markDelayed () override
	Signal that the translation has been delayed due to a hw page table walk.
void	markCanceled ()
bool	isCanceled () const
Public Member Functions inherited from gem5::BaseMMU::Translation
virtual	~Translation ()
virtual bool	squashed () const
	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.

Public Attributes
FetchDirectedPrefetcher &	owner
	Owner of the packet.
const uint64_t	addr
	The virtual address.
const o3::FTSeqNum	ftn
	The fetch target number that created this request.
RequestPtr	req
	The request and packet that will be sent to the cache.
PacketPtr	pkt
Tick	readyTime
	The time when the prefetch is ready to be sent to the cache.
bool	canceled
	Marks a Prefetch Request as canceled if notifyFTQRemove was called during translation.

Detailed Description

The prefetch queue entry objects.

Definition at line 119 of file fdp.hh.

Constructor & Destructor Documentation

PrefetchRequest()

gem5::prefetch::FetchDirectedPrefetcher::PrefetchRequest::PrefetchRequest	(	FetchDirectedPrefetcher &	_owner,
		uint64_t	_addr,
		ThreadID	tid,
		o3::FTSeqNum	ftn )

Definition at line 221 of file fdp.cc.

References addr, canceled, gem5::prefetch::FetchDirectedPrefetcher::FetchDirectedPrefetcher(), ftn, gem5::Request::INST_FETCH, gem5::MaxTick, owner, pkt, gem5::Request::PREFETCH, readyTime, and req.

Member Function Documentation

createPkt()

void gem5::prefetch::FetchDirectedPrefetcher::PrefetchRequest::createPkt

(

)

Creates the packet that is send to the memory.

Definition at line 242 of file fdp.cc.

References gem5::MemCmd::HardPFReq, pkt, gem5::context_switch_task_id::Prefetcher, and req.

finish()

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

overridevirtual

Implements gem5::BaseMMU::Translation.

Definition at line 258 of file fdp.cc.

References gem5::ArmISA::mode, gem5::NoFault, owner, and req.

isCanceled()

bool gem5::prefetch::FetchDirectedPrefetcher::PrefetchRequest::isCanceled ( ) const

inline

Definition at line 171 of file fdp.hh.

References canceled.

markCanceled()

void gem5::prefetch::FetchDirectedPrefetcher::PrefetchRequest::markCanceled ( )

inline

Definition at line 165 of file fdp.hh.

References canceled.

markDelayed()

void gem5::prefetch::FetchDirectedPrefetcher::PrefetchRequest::markDelayed ( )

inlineoverridevirtual

Signal that the translation has been delayed due to a hw page table walk.

Implements gem5::BaseMMU::Translation.

Definition at line 161 of file fdp.hh.

operator==()

bool gem5::prefetch::FetchDirectedPrefetcher::PrefetchRequest::operator== ( const int & a ) const

inline

Definition at line 146 of file fdp.hh.

References gem5::ArmISA::a.

startTranslation()

void gem5::prefetch::FetchDirectedPrefetcher::PrefetchRequest::startTranslation

(

)

Issues the translation request.

Definition at line 250 of file fdp.cc.

References gem5::BaseMMU::Execute, owner, and req.

Member Data Documentation

addr

const uint64_t gem5::prefetch::FetchDirectedPrefetcher::PrefetchRequest::addr

The virtual address.

Used to scan for redundant prefetches.

Definition at line 128 of file fdp.hh.

Referenced by PrefetchRequest().

canceled

bool gem5::prefetch::FetchDirectedPrefetcher::PrefetchRequest::canceled

Marks a Prefetch Request as canceled if notifyFTQRemove was called during translation.

In this case the prefetch will not proceed to the prefetch queue.

Definition at line 143 of file fdp.hh.

Referenced by isCanceled(), markCanceled(), and PrefetchRequest().

ftn

const o3::FTSeqNum gem5::prefetch::FetchDirectedPrefetcher::PrefetchRequest::ftn

The fetch target number that created this request.

Definition at line 131 of file fdp.hh.

Referenced by PrefetchRequest().

owner

FetchDirectedPrefetcher& gem5::prefetch::FetchDirectedPrefetcher::PrefetchRequest::owner

Owner of the packet.

Definition at line 125 of file fdp.hh.

Referenced by finish(), PrefetchRequest(), and startTranslation().

pkt

PacketPtr gem5::prefetch::FetchDirectedPrefetcher::PrefetchRequest::pkt

Definition at line 135 of file fdp.hh.

Referenced by createPkt(), and PrefetchRequest().

readyTime

Tick gem5::prefetch::FetchDirectedPrefetcher::PrefetchRequest::readyTime

The time when the prefetch is ready to be sent to the cache.

Definition at line 138 of file fdp.hh.

Referenced by PrefetchRequest().

req

RequestPtr gem5::prefetch::FetchDirectedPrefetcher::PrefetchRequest::req

The request and packet that will be sent to the cache.

Definition at line 134 of file fdp.hh.

Referenced by createPkt(), finish(), PrefetchRequest(), and startTranslation().

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

• mem/cache/prefetch/fdp.hh
• mem/cache/prefetch/fdp.cc