QueueEntry Class Reference

A queue entry base class, to be used by both the MSHRs and write-queue entries. More...

#include <queue_entry.hh>

Inheritance diagram for QueueEntry:

Public Member Functions
	QueueEntry ()
bool	isUncacheable () const
virtual bool	sendPacket (Cache &cache)=0
	Send this queue entry as a downstream packet, with the exact behaviour depending on the specific entry type. More...
Public Member Functions inherited from Packet::SenderState
	SenderState ()
virtual	~SenderState ()

Public Attributes
bool	inService
	True if the entry has been sent downstream. More...
Counter	order
	Order number assigned to disambiguate writes and misses. More...
Addr	blkAddr
	Block aligned address. More...
unsigned	blkSize
	Block size of the cache. More...
bool	isSecure
	True if the entry targets the secure memory space. More...
Public Attributes inherited from Packet::SenderState
SenderState *	predecessor

Protected Attributes
Tick	readyTime
	Tick when ready to issue. More...
bool	_isUncacheable
	True if the entry is uncacheable. More...

Friends
template<class Entry >
class	Queue
	Consider the Queue a friend to avoid making everything public. More...

Detailed Description

A queue entry base class, to be used by both the MSHRs and write-queue entries.

Definition at line 60 of file queue_entry.hh.

Constructor & Destructor Documentation

QueueEntry::QueueEntry ( )

inline

Definition at line 94 of file queue_entry.hh.

Member Function Documentation

bool QueueEntry::isUncacheable ( ) const

inline

Definition at line 99 of file queue_entry.hh.

References _isUncacheable.

Referenced by Cache::recvTimingSnoopReq().

virtual bool QueueEntry::sendPacket ( Cache &  cache )

pure virtual

Send this queue entry as a downstream packet, with the exact behaviour depending on the specific entry type.

Implemented in MSHR, and WriteQueueEntry.

Referenced by Cache::CacheReqPacketQueue::sendDeferredPacket().

Friends And Related Function Documentation

template<class Entry >

friend class Queue

friend

Consider the Queue a friend to avoid making everything public.

Definition at line 67 of file queue_entry.hh.

Member Data Documentation

bool QueueEntry::_isUncacheable

protected

True if the entry is uncacheable.

Definition at line 75 of file queue_entry.hh.

Referenced by MSHR::allocate(), MSHR::allocateTarget(), isUncacheable(), and MSHR::print().

Addr QueueEntry::blkAddr

Block aligned address.

Definition at line 86 of file queue_entry.hh.

Referenced by MSHR::allocate(), MSHR::checkFunctional(), Cache::getNextQueueEntry(), MSHR::print(), Cache::CacheReqPacketQueue::sendDeferredPacket(), and Cache::sendMSHRQueuePacket().

unsigned QueueEntry::blkSize

Block size of the cache.

Definition at line 89 of file queue_entry.hh.

Referenced by MSHR::allocate(), MSHR::checkFunctional(), MSHR::handleSnoop(), and MSHR::print().

bool QueueEntry::inService

True if the entry has been sent downstream.

Definition at line 80 of file queue_entry.hh.

Referenced by MSHR::allocate(), MSHR::allocateTarget(), BaseCache::allocateWriteBuffer(), MSHR::deallocate(), Cache::functionalAccess(), MSHR::handleSnoop(), MSHR::hasPostDowngrade(), MSHR::hasPostInvalidate(), MSHR::isPendingModified(), MSHR::markInService(), MSHRQueue::markPending(), MSHRQueue::moveToFront(), and MSHR::print().

bool QueueEntry::isSecure

True if the entry targets the secure memory space.

Definition at line 92 of file queue_entry.hh.

Referenced by MSHR::allocate(), MSHR::checkFunctional(), Cache::getNextQueueEntry(), MSHR::print(), and Cache::sendMSHRQueuePacket().

Counter QueueEntry::order

Order number assigned to disambiguate writes and misses.

Definition at line 83 of file queue_entry.hh.

Referenced by MSHR::allocate(), Cache::getNextQueueEntry(), and MSHR::promoteDeferredTargets().

Tick QueueEntry::readyTime

protected

Tick when ready to issue.

Definition at line 72 of file queue_entry.hh.

Referenced by MSHR::allocate(), and MSHR::promoteDeferredTargets().

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

• mem/cache/queue_entry.hh