Maps a set of contiguous addresses to another set of (not necessarily contiguos) addresses, with their corresponding confidence counters. More...

Inheritance diagram for gem5::prefetch::IrregularStreamBuffer::AddressMappingEntry:

Public Member Functions
	AddressMappingEntry (size_t num_mappings, unsigned counter_bits, TagExtractor ext)

void	invalidate () override
	Invalidate the block.

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

	~TaggedEntry ()=default

void	registerTagExtractor (TagExtractor ext)

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

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

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

bool	match (const KeyType &key) const
	Checks if the given tag information corresponds to this entry's.

virtual void	insert (const KeyType &key)
	Insert the block by assigning it a tag and marking it valid.

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

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

virtual	~ReplaceableEntry ()=default

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

uint32_t	getSet () const
	Get set number.

uint32_t	getWay () const
	Get way number.

Public Attributes
std::vector< AddressMapping >	mappings

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

Additional Inherited Members
Public Types inherited from gem5::TaggedEntry
using	KeyType = TaggedTypes::KeyType

using	IndexingPolicy = TaggedIndexingPolicy

using	TagExtractor = std::function<Addr(Addr)>

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

virtual void	setSecure ()
	Set secure bit.

void	clearSecure ()
	Clear secure bit.

virtual void	setValid ()
	Set valid bit.

Protected Attributes inherited from gem5::TaggedEntry
TagExtractor	extractTag
	Callback used to extract the tag from the entry.

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

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

Detailed Description

Maps a set of contiguous addresses to another set of (not necessarily contiguos) addresses, with their corresponding confidence counters.

Definition at line 94 of file irregular_stream_buffer.hh.

Constructor & Destructor Documentation

gem5::prefetch::IrregularStreamBuffer::AddressMappingEntry::AddressMappingEntry	(	size_t	num_mappings,
		unsigned	counter_bits,
		TagExtractor	ext )

inline

Definition at line 97 of file irregular_stream_buffer.hh.

void gem5::prefetch::IrregularStreamBuffer::AddressMappingEntry::invalidate ( )

inlineoverridevirtual

Invalidate the block.

Its contents are no longer valid.

Reimplemented from gem5::TaggedEntry.

std::vector<AddressMapping> gem5::prefetch::IrregularStreamBuffer::AddressMappingEntry::mappings

Definition at line 96 of file irregular_stream_buffer.hh.

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