Special instance of CacheBlk for use with tempBlk that deals with its block address regeneration. More...

#include <cache_blk.hh>

Inheritance diagram for gem5::TempCacheBlk:

Public Member Functions
	TempCacheBlk (unsigned size)
	Creates a temporary cache block, with its own storage. More...

	TempCacheBlk (const TempCacheBlk &)=delete

TempCacheBlk &	operator= (const TempCacheBlk &)=delete

	~TempCacheBlk ()

void	invalidate () override
	Invalidate the block and clear all state. More...

void	insert (const Addr addr, const bool is_secure) override
	Insert the block by assigning it a tag and marking it valid. More...

Addr	getAddr () const
	Get block's address. More...

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

	CacheBlk (const CacheBlk &)=delete

CacheBlk &	operator= (const CacheBlk &)=delete

	CacheBlk (const CacheBlk &&)=delete

virtual CacheBlk &	operator= (CacheBlk &&other)
	Move assignment operator. More...

virtual	~CacheBlk ()

void	setCoherenceBits (unsigned bits)
	Sets the corresponding coherence bits. More...

void	clearCoherenceBits (unsigned bits)
	Clear the corresponding coherence bits. More...

bool	isSet (unsigned bits) const
	Checks the given coherence bits are set. More...

bool	wasPrefetched () const
	Check if this block was the result of a hardware prefetch, yet to be touched. More...

void	clearPrefetched ()
	Clear the prefetching bit. More...

void	setPrefetched ()
	Marks this blocks as a recently prefetched block. More...

Tick	getWhenReady () const
	Get tick at which block's data will be available for access. More...

void	setWhenReady (const Tick tick)
	Set tick at which block's data will be available for access. More...

uint32_t	getTaskId () const
	Get the task id associated to this block. More...

uint32_t	getSrcRequestorId () const
	Get the requestor id associated to this block. More...

unsigned	getRefCount () const
	Get the number of references to this block since insertion. More...

void	increaseRefCount ()
	Get the number of references to this block since insertion. More...

Tick	getAge () const
	Get the block's age, that is, the number of ticks since its insertion. More...

void	insert (const Addr tag, const bool is_secure, const int src_requestor_ID, const uint32_t task_ID)
	Set member variables when a block insertion occurs. More...

void	trackLoadLocked (PacketPtr pkt)
	Track the fact that a local locked was issued to the block. More...

void	clearLoadLocks (const RequestPtr &req)
	Clear the any load lock that intersect the request, and is from a different context. More...

std::string	print () const override
	Pretty-print tag, set and way, and interpret state bits to readable form including mapping to a MOESI state. More...

bool	checkWrite (PacketPtr pkt)
	Handle interaction of load-locked operations and stores. More...

virtual void	insert (const Addr tag, const bool is_secure)
	Insert the block by assigning it a tag and marking it valid. More...

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

	~TaggedEntry ()=default

virtual bool	isValid () const
	Checks if the entry is valid. More...

bool	isSecure () const
	Check if this block holds data from the secure memory space. More...

virtual Addr	getTag () const
	Get tag associated to this block. More...

virtual bool	matchTag (Addr tag, bool is_secure) const
	Checks if the given tag information corresponds to this entry's. More...

std::string	print () const override
	Prints relevant information about this entry. More...

Public Member Functions inherited from gem5::ReplaceableEntry
	ReplaceableEntry ()=default

virtual	~ReplaceableEntry ()=default

virtual void	setPosition (const uint32_t set, const uint32_t way)
	Set both the set and way. More...

uint32_t	getSet () const
	Get set number. More...

uint32_t	getWay () const
	Get way number. More...

Private Attributes
Addr	_addr
	Copy of the block's address, used to regenerate tempBlock's address. More...

Additional Inherited Members
Public Types inherited from gem5::CacheBlk
enum	CoherenceBits : unsigned { WritableBit = 0x02, ReadableBit = 0x04, DirtyBit = 0x08, AllBits = 0x0E }
	Cache block's enum listing the supported coherence bits. More...

Public Attributes inherited from gem5::CacheBlk
uint8_t *	data = nullptr
	Contains a copy of the data in this block for easy access. More...

Tick	whenReady = 0
	Which curTick() will this block be accessible. More...

Public Attributes inherited from gem5::ReplaceableEntry
std::shared_ptr< replacement_policy::ReplacementData >	replacementData
	Replacement data associated to this entry. More...

Protected Member Functions inherited from gem5::CacheBlk
void	setTaskId (const uint32_t task_id)
	Set the task id value. More...

void	setSrcRequestorId (const uint32_t id)
	Set the source requestor id. More...

void	setRefCount (const unsigned count)
	Set the number of references to this block since insertion. More...

void	setTickInserted ()
	Set the current tick as this block's insertion tick. More...

Protected Member Functions inherited from gem5::TaggedEntry
virtual void	setTag (Addr tag)
	Set tag associated to this block. More...

virtual void	setSecure ()
	Set secure bit. More...

virtual void	setValid ()
	Set valid bit. More...

Protected Attributes inherited from gem5::CacheBlk
std::list< Lock >	lockList
	List of thread contexts that have performed a load-locked (LL) on the block since the last store. More...

unsigned	coherence
	The current coherence status of this block. More...

Protected Attributes inherited from gem5::ReplaceableEntry
uint32_t	_set
	Set to which this entry belongs. More...

uint32_t	_way
	Way (relative position within the set) to which this entry belongs. More...

Detailed Description

Special instance of CacheBlk for use with tempBlk that deals with its block address regeneration.

See also: Cache

Definition at line 500 of file cache_blk.hh.

Constructor & Destructor Documentation

◆ TempCacheBlk() [1/2]

gem5::TempCacheBlk::TempCacheBlk ( unsigned size )

inline

Creates a temporary cache block, with its own storage.

Parameters

size	The size (in bytes) of this cache block.

Definition at line 513 of file cache_blk.hh.

References gem5::CacheBlk::data.

◆ TempCacheBlk() [2/2]

gem5::TempCacheBlk::TempCacheBlk ( const TempCacheBlk & )

delete

◆ ~TempCacheBlk()

gem5::TempCacheBlk::~TempCacheBlk ( )

inline

Definition at line 519 of file cache_blk.hh.

References gem5::CacheBlk::data.

Member Function Documentation

◆ getAddr()

Addr gem5::TempCacheBlk::getAddr ( ) const

inline

Get block's address.

Returns: addr Address value.

Definition at line 542 of file cache_blk.hh.

References _addr.

Referenced by gem5::BaseCache::regenerateBlkAddr().

◆ insert()

void gem5::TempCacheBlk::insert	(	const Addr	tag,
		const bool	is_secure
	)

inlineoverridevirtual

Insert the block by assigning it a tag and marking it valid.

Touches block if it hadn't been touched previously.

Parameters

tag	The tag value.

Reimplemented from gem5::TaggedEntry.

Definition at line 531 of file cache_blk.hh.

References _addr, gem5::X86ISA::addr, and gem5::CacheBlk::insert().

Referenced by gem5::BaseCache::handleFill().

◆ invalidate()

void gem5::TempCacheBlk::invalidate ( )

inlineoverridevirtual

Invalidate the block and clear all state.

Reimplemented from gem5::CacheBlk.

Definition at line 524 of file cache_blk.hh.

References _addr, gem5::CacheBlk::invalidate(), and gem5::MaxAddr.

Referenced by gem5::BaseCache::invalidateBlock().

◆ operator=()

TempCacheBlk& gem5::TempCacheBlk::operator= ( const TempCacheBlk & )

delete

Member Data Documentation

◆ _addr

Addr gem5::TempCacheBlk::_addr

private

Copy of the block's address, used to regenerate tempBlock's address.

Definition at line 506 of file cache_blk.hh.

Referenced by getAddr(), insert(), and invalidate().

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

mem/cache/cache_blk.hh

Public Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ TempCacheBlk() [1/2]

◆ TempCacheBlk() [2/2]

◆ ~TempCacheBlk()

Member Function Documentation

◆ getAddr()

◆ insert()

◆ invalidate()

◆ operator=()

Member Data Documentation

◆ _addr