gem5::prefetch::IndirectMemory::PrefetchTableEntry Struct Reference

Prefetch Table Entry. More...

Inheritance diagram for gem5::prefetch::IndirectMemory::PrefetchTableEntry:

Public Member Functions
	PrefetchTableEntry (unsigned indirect_counter_bits)
void	invalidate () override
	Invalidate the block.
Public Member Functions inherited from gem5::TaggedEntry
	TaggedEntry ()
	~TaggedEntry ()=default
bool	isSecure () const
	Check if this block holds data from the secure memory space.
virtual bool	matchTag (Addr tag, bool is_secure) const
	Checks if the given tag information corresponds to this entry's.
virtual void	insert (const Addr tag, const bool is_secure)
	Insert the block by assigning it a tag and marking it valid.
void	invalidate () override
	Invalidate the block.
std::string	print () const override
	Prints relevant information about this entry.
bool	matchTag (const Addr tag) const override
	Checks if the given tag information corresponds to this entry's.
void	insert (const Addr tag) override
	Insert the block by assigning it a tag and marking it valid.
Public Member Functions inherited from gem5::CacheEntry
	CacheEntry ()=default
	~CacheEntry ()=default
virtual bool	isValid () const
	Checks if the entry is valid.
virtual Addr	getTag () const
	Get tag associated to this block.
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
Addr	address
	Accessed address.
bool	secure
	Whether this address is in the secure region.
unsigned int	streamCounter
	Confidence counter of the stream.
bool	enabled
	Enable bit of the indirect fields.
int64_t	index
	Current index value.
Addr	baseAddr
	BaseAddr detected.
int	shift
	Shift detected.
SatCounter8	indirectCounter
	Confidence counter of the indirect fields.
bool	increasedIndirectCounter
	This variable is set to indicate that there has been at least one match with the current index value.
Public Attributes inherited from gem5::ReplaceableEntry
std::shared_ptr< replacement_policy::ReplacementData >	replacementData
	Replacement data associated to this entry.

Additional Inherited Members
Protected Member Functions inherited from gem5::TaggedEntry
virtual void	setSecure ()
	Set secure bit.
Protected Member Functions inherited from gem5::CacheEntry
virtual void	setTag (Addr _tag)
	Set tag associated to this block.
virtual void	setValid ()
	Set valid bit.
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

Prefetch Table Entry.

Definition at line 70 of file indirect_memory.hh.

Constructor & Destructor Documentation

PrefetchTableEntry()

gem5::prefetch::IndirectMemory::PrefetchTableEntry::PrefetchTableEntry ( unsigned indirect_counter_bits )

inline

Definition at line 101 of file indirect_memory.hh.

Member Function Documentation

invalidate()

void gem5::prefetch::IndirectMemory::PrefetchTableEntry::invalidate ( )

inlineoverridevirtual

Invalidate the block.

Its contents are no longer valid.

Reimplemented from gem5::CacheEntry.

Definition at line 109 of file indirect_memory.hh.

References address, baseAddr, enabled, increasedIndirectCounter, index, indirectCounter, gem5::TaggedEntry::invalidate(), gem5::GenericSatCounter< T >::reset(), secure, shift, and streamCounter.

Member Data Documentation

address

Addr gem5::prefetch::IndirectMemory::PrefetchTableEntry::address

Accessed address.

Definition at line 75 of file indirect_memory.hh.

Referenced by gem5::prefetch::IndirectMemory::calculatePrefetch(), and invalidate().

baseAddr

Addr gem5::prefetch::IndirectMemory::PrefetchTableEntry::baseAddr

BaseAddr detected.

Definition at line 88 of file indirect_memory.hh.

Referenced by gem5::prefetch::IndirectMemory::calculatePrefetch(), invalidate(), and gem5::prefetch::IndirectMemory::trackMissIndex2().

enabled

bool gem5::prefetch::IndirectMemory::PrefetchTableEntry::enabled

Enable bit of the indirect fields.

Definition at line 84 of file indirect_memory.hh.

Referenced by gem5::prefetch::IndirectMemory::calculatePrefetch(), invalidate(), and gem5::prefetch::IndirectMemory::trackMissIndex2().

increasedIndirectCounter

bool gem5::prefetch::IndirectMemory::PrefetchTableEntry::increasedIndirectCounter

This variable is set to indicate that there has been at least one match with the current index value.

This information is later used when a new index is updated. If there were no increases in the indirectCounter, the counter is decremented.

Definition at line 99 of file indirect_memory.hh.

Referenced by gem5::prefetch::IndirectMemory::calculatePrefetch(), and invalidate().

index

int64_t gem5::prefetch::IndirectMemory::PrefetchTableEntry::index

Current index value.

Definition at line 86 of file indirect_memory.hh.

Referenced by gem5::prefetch::IndirectMemory::calculatePrefetch(), and invalidate().

indirectCounter

SatCounter8 gem5::prefetch::IndirectMemory::PrefetchTableEntry::indirectCounter

Confidence counter of the indirect fields.

Definition at line 92 of file indirect_memory.hh.

Referenced by gem5::prefetch::IndirectMemory::calculatePrefetch(), invalidate(), and gem5::prefetch::IndirectMemory::trackMissIndex2().

secure

bool gem5::prefetch::IndirectMemory::PrefetchTableEntry::secure

Whether this address is in the secure region.

Definition at line 77 of file indirect_memory.hh.

Referenced by gem5::prefetch::IndirectMemory::calculatePrefetch(), and invalidate().

shift

int gem5::prefetch::IndirectMemory::PrefetchTableEntry::shift

Shift detected.

Definition at line 90 of file indirect_memory.hh.

Referenced by gem5::prefetch::IndirectMemory::calculatePrefetch(), invalidate(), and gem5::prefetch::IndirectMemory::trackMissIndex2().

streamCounter

unsigned int gem5::prefetch::IndirectMemory::PrefetchTableEntry::streamCounter

Confidence counter of the stream.

Definition at line 79 of file indirect_memory.hh.

Referenced by gem5::prefetch::IndirectMemory::calculatePrefetch(), and invalidate().

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

• mem/cache/prefetch/indirect_memory.hh