Write queue entry. More...

#include <write_queue_entry.hh>

Inheritance diagram for WriteQueueEntry:

Classes
class	Target

class	TargetList

Public Types
typedef std::list < WriteQueueEntry * >	List
	A list of write queue entriess. More...

typedef List::iterator	Iterator
	WriteQueueEntry list iterator. More...

Public Member Functions
bool	sendPacket (Cache &cache)
	Send this queue entry as a downstream packet, with the exact behaviour depending on the specific entry type. More...

	WriteQueueEntry ()
	A simple constructor. More...

void	allocate (Addr blk_addr, unsigned blk_size, PacketPtr pkt, Tick when_ready, Counter _order)
	Allocate a miss to this entry. More...

void	deallocate ()
	Mark this entry as free. More...

int	getNumTargets () const
	Returns the current number of allocated targets. More...

bool	hasTargets () const
	Returns true if there are targets left. More...

Target *	getTarget ()
	Returns a reference to the first target. More...

void	popTarget ()
	Pop first target. More...

bool	checkFunctional (PacketPtr pkt)

void	print (std::ostream &os, int verbosity=0, const std::string &prefix="") const
	Prints the contents of this MSHR for debugging. More...

std::string	print () const
	A no-args wrapper of print(std::ostream...) meant to be invoked from DPRINTFs avoiding string overheads in fast mode. More...

Public Member Functions inherited from QueueEntry
	QueueEntry ()

bool	isUncacheable () const

Public Member Functions inherited from Packet::SenderState
	SenderState ()

virtual	~SenderState ()

Public Member Functions inherited from Printable
	Printable ()

virtual	~Printable ()

Private Attributes
Iterator	readyIter
	Pointer to this entry on the ready list. More...

Iterator	allocIter
	Pointer to this entry on the allocated list. More...

TargetList	targets
	List of all requests that match the address. More...

Friends
template<typename Entry >
class	Queue
	Consider the queues friends to avoid making everything public. More...

class	WriteQueue

Additional Inherited Members
Public Attributes inherited from QueueEntry
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 inherited from QueueEntry
Tick	readyTime
	Tick when ready to issue. More...

bool	_isUncacheable
	True if the entry is uncacheable. More...

Detailed Description

Write queue entry.

Definition at line 62 of file write_queue_entry.hh.

Member Typedef Documentation

typedef List::iterator WriteQueueEntry::Iterator

WriteQueueEntry list iterator.

Definition at line 102 of file write_queue_entry.hh.

typedef std::list<WriteQueueEntry *> WriteQueueEntry::List

A list of write queue entriess.

Definition at line 100 of file write_queue_entry.hh.

Constructor & Destructor Documentation

WriteQueueEntry::WriteQueueEntry ( )

inline

A simple constructor.

Definition at line 126 of file write_queue_entry.hh.

Member Function Documentation

void WriteQueueEntry::allocate	(	Addr	blk_addr,
		unsigned	blk_size,
		PacketPtr	pkt,
		Tick	when_ready,
		Counter	_order
	)

Allocate a miss to this entry.

Parameters

blk_addr	The address of the block.
blk_size	The number of bytes to request.
pkt	The original write.
when_ready	When should the write be sent out.
_order	The logical order of this write.

Definition at line 96 of file write_queue_entry.cc.

References Packet::isEviction(), Packet::isSecure(), Request::isUncacheable(), Packet::isWrite(), panic_if(), and Packet::req.

bool WriteQueueEntry::checkFunctional ( PacketPtr pkt )

Definition at line 129 of file write_queue_entry.cc.

References Packet::checkFunctional(), and Packet::isPrint().

void WriteQueueEntry::deallocate ( )

Mark this entry as free.

Definition at line 122 of file write_queue_entry.cc.

int WriteQueueEntry::getNumTargets ( ) const

inline

Returns the current number of allocated targets.

Returns: The current number of allocated targets.

Definition at line 149 of file write_queue_entry.hh.

References targets.

Referenced by Cache::access(), and Cache::recvTimingSnoopReq().

Target* WriteQueueEntry::getTarget ( )

inline

Returns a reference to the first target.

Returns: A pointer to the first target.

Definition at line 162 of file write_queue_entry.hh.

References hasTargets(), and targets.

Referenced by Cache::access(), Cache::recvTimingSnoopReq(), and Cache::sendWriteQueuePacket().

bool WriteQueueEntry::hasTargets ( ) const

inline

Returns true if there are targets left.

Returns: true if there are targets

Definition at line 156 of file write_queue_entry.hh.

References targets.

Referenced by getTarget().

void WriteQueueEntry::popTarget ( )

inline

Pop first target.

Definition at line 171 of file write_queue_entry.hh.

References targets.

Referenced by WriteQueue::markInService().

void WriteQueueEntry::print	(	std::ostream &	os,
		int	verbosity = `0`,
		const std::string &	prefix = `""`
	)		const

virtual

Prints the contents of this MSHR for debugging.

Implements Printable.

Definition at line 149 of file write_queue_entry.cc.

References ccprintf().

std::string WriteQueueEntry::print ( ) const

A no-args wrapper of print(std::ostream...) meant to be invoked from DPRINTFs avoiding string overheads in fast mode.

Returns: string with mshr fields

Definition at line 163 of file write_queue_entry.cc.

bool WriteQueueEntry::sendPacket ( Cache & cache )

virtual

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

Implements QueueEntry.

Definition at line 143 of file write_queue_entry.cc.

References Cache::sendWriteQueuePacket().

Friends And Related Function Documentation

template<typename Entry >

friend class Queue

friend

Consider the queues friends to avoid making everything public.

Definition at line 69 of file write_queue_entry.hh.

friend class WriteQueue

friend

Definition at line 70 of file write_queue_entry.hh.

Member Data Documentation

Iterator WriteQueueEntry::allocIter

private

Pointer to this entry on the allocated list.

See Also: MissQueue, WriteQueue::allocatedList

Definition at line 118 of file write_queue_entry.hh.

Iterator WriteQueueEntry::readyIter

private

Pointer to this entry on the ready list.

See Also: MissQueue, WriteQueue::readyList

Definition at line 112 of file write_queue_entry.hh.

TargetList WriteQueueEntry::targets

private

List of all requests that match the address.

Definition at line 121 of file write_queue_entry.hh.

Referenced by getNumTargets(), getTarget(), hasTargets(), and popTarget().

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

mem/cache/write_queue_entry.hh
mem/cache/write_queue_entry.cc

Classes

Public Types

Public Member Functions

Private Attributes

Friends

Additional Inherited Members

Detailed Description

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

Member Data Documentation