Write queue entry. More...

#include <write_queue_entry.hh>

Inheritance diagram for gem5::WriteQueueEntry:

Classes
class	TargetList

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

typedef List::iterator	Iterator
	WriteQueueEntry list iterator.

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

	WriteQueueEntry (const std::string &name)
	A simple constructor.

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

void	deallocate ()
	Mark this entry as free.

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

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

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

void	popTarget ()
	Pop first target.

bool	trySatisfyFunctional (PacketPtr pkt)

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

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

bool	matchBlockAddr (const Addr addr, const bool is_secure) const override
	Check if entry corresponds to the one being looked for.

bool	matchBlockAddr (const PacketPtr pkt) const override
	Check if entry contains a packet that corresponds to the one being looked for.

bool	conflictAddr (const QueueEntry *entry) const override
	Check if given entry's packets conflict with this' entries packets.

Public Member Functions inherited from gem5::QueueEntry
	QueueEntry (const std::string &name)

bool	isUncacheable () const

Public Member Functions inherited from gem5::Packet::SenderState
	SenderState ()

virtual	~SenderState ()

Public Member Functions inherited from gem5::Named
	Named (const std::string &name_)

virtual	~Named ()=default

virtual std::string	name () const

Public Member Functions inherited from gem5::Printable
	Printable ()

virtual	~Printable ()

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

Iterator	allocIter
	Pointer to this entry on the allocated list.

TargetList	targets
	List of all requests that match the address.

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

class	WriteQueue

Additional Inherited Members
Public Attributes inherited from gem5::QueueEntry
bool	inService
	True if the entry has been sent downstream.

Counter	order
	Order number assigned to disambiguate writes and misses.

Addr	blkAddr
	Block aligned address.

unsigned	blkSize
	Block size of the cache.

bool	isSecure
	True if the entry targets the secure memory space.

Public Attributes inherited from gem5::Packet::SenderState
SenderState *	predecessor

Protected Attributes inherited from gem5::QueueEntry
Tick	readyTime
	Tick when ready to issue.

bool	_isUncacheable
	True if the entry is uncacheable.

Detailed Description

Write queue entry.

Definition at line 67 of file write_queue_entry.hh.

Member Typedef Documentation

◆ Iterator

typedef List::iterator gem5::WriteQueueEntry::Iterator

WriteQueueEntry list iterator.

Definition at line 93 of file write_queue_entry.hh.

◆ List

typedef std::list<WriteQueueEntry *> gem5::WriteQueueEntry::List

A list of write queue entriess.

Definition at line 91 of file write_queue_entry.hh.

Constructor & Destructor Documentation

◆ WriteQueueEntry()

gem5::WriteQueueEntry::WriteQueueEntry ( const std::string & name )

inline

A simple constructor.

Definition at line 117 of file write_queue_entry.hh.

Member Function Documentation

◆ allocate()

void gem5::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.