SectorBlk Class Reference

A Basic Sector block. More...

#include <sector_blk.hh>

Inheritance diagram for SectorBlk:

Public Member Functions
	SectorBlk ()
	SectorBlk (const SectorBlk &)=delete
SectorBlk &	operator= (const SectorBlk &)=delete
	~SectorBlk ()
bool	isValid () const override
	Checks that a sector block is valid. More...
uint8_t	getNumValid () const
	Get the number of sub-blocks that have been validated. More...
void	validateSubBlk ()
	Increase the number of valid sub-blocks. More...
void	invalidateSubBlk ()
	Decrease the number of valid sub-blocks. More...
void	setPosition (const uint32_t set, const uint32_t way) override
	Sets the position of the sub-entries, besides its own. More...
std::string	print () const override
	Print relevant information for this sector block and its sub-blocks. More...
Public Member Functions inherited from TaggedEntry
	TaggedEntry ()
	~TaggedEntry ()=default
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...
virtual void	insert (const Addr tag, const bool is_secure)
	Insert the block by assigning it a tag and marking it valid. More...
virtual void	invalidate ()
	Invalidate the block. More...
std::string	print () const override
	Prints relevant information about this entry. More...
Public Member Functions inherited from ReplaceableEntry
	ReplaceableEntry ()=default
virtual	~ReplaceableEntry ()=default
uint32_t	getSet () const
	Get set number. More...
uint32_t	getWay () const
	Get way number. More...

Public Attributes
std::vector< SectorSubBlk * >	blks
	List of blocks associated to this sector. More...
Public Attributes inherited from ReplaceableEntry
std::shared_ptr< ReplacementPolicy::ReplacementData >	replacementData
	Replacement data associated to this entry. More...

Private Attributes
uint8_t	_validCounter
	Counter of the number of valid sub-blocks. More...

Additional Inherited Members
Protected Member Functions inherited from 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 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

A Basic Sector block.

Contains the tag and a list of blocks associated to this sector.

Definition at line 131 of file sector_blk.hh.

Constructor & Destructor Documentation

SectorBlk() [1/2]

SectorBlk::SectorBlk

(

)

Definition at line 111 of file sector_blk.cc.

SectorBlk() [2/2]

SectorBlk::SectorBlk ( const SectorBlk &  )

delete

~SectorBlk()

SectorBlk::~SectorBlk ( )

inline

Definition at line 144 of file sector_blk.hh.

Member Function Documentation

getNumValid()

uint8_t SectorBlk::getNumValid

(

)

const

Get the number of sub-blocks that have been validated.

Returns

The number of valid sub-blocks.

Definition at line 124 of file sector_blk.cc.

References _validCounter.

Referenced by SuperBlk::canCoAllocate(), print(), SuperBlk::setCompressionFactor(), and CompressionBlk::setSizeBits().

invalidateSubBlk()

void SectorBlk::invalidateSubBlk

(

)

Decrease the number of valid sub-blocks.

Definition at line 136 of file sector_blk.cc.

References _validCounter, and TaggedEntry::invalidate().

Referenced by SectorSubBlk::invalidate().

isValid()

bool SectorBlk::isValid ( ) const

overridevirtual

Checks that a sector block is valid.

Returns

True if any of the blocks in the sector is valid.

Reimplemented from TaggedEntry.

Definition at line 117 of file sector_blk.cc.

References _validCounter.

Referenced by SectorSubBlk::insert(), SectorTags::insertBlock(), SectorTags::invalidate(), and SectorTags::moveBlock().

operator=()

SectorBlk& SectorBlk::operator= ( const SectorBlk &  )

delete

print()

std::string SectorBlk::print ( ) const

overridevirtual

Print relevant information for this sector block and its sub-blocks.

Returns

A string with the contents of the sector block.

Reimplemented from ReplaceableEntry.

Reimplemented in SuperBlk.

Definition at line 155 of file sector_blk.cc.

References blks, csprintf(), getNumValid(), and TaggedEntry::print().

Referenced by SuperBlk::print().

setPosition()

void SectorBlk::setPosition ( const uint32_t  set, const uint32_t  way  )

overridevirtual

Sets the position of the sub-entries, besides its own.

Parameters

set	The set of this entry and sub-entries.
way	The way of this entry and sub-entries.

Reimplemented from ReplaceableEntry.

Definition at line 146 of file sector_blk.cc.

References blks, and ReplaceableEntry::setPosition().

validateSubBlk()

void SectorBlk::validateSubBlk

(

)

Increase the number of valid sub-blocks.

Definition at line 130 of file sector_blk.cc.

References _validCounter.

Referenced by SectorSubBlk::setValid().

Member Data Documentation

_validCounter

uint8_t SectorBlk::_validCounter

private

Counter of the number of valid sub-blocks.

The sector is valid if any of its sub-blocks is valid.

Definition at line 138 of file sector_blk.hh.

Referenced by getNumValid(), invalidateSubBlk(), isValid(), and validateSubBlk().

blks

std::vector<SectorSubBlk*> SectorBlk::blks

List of blocks associated to this sector.

Definition at line 144 of file sector_blk.hh.

Referenced by SuperBlk::calculateCompressionFactor(), CompressedTags::findVictim(), SectorTags::findVictim(), SuperBlk::isCompressed(), print(), setPosition(), CompressedTags::tagsInit(), SectorTags::tagsInit(), and BaseCache::updateCompressionData().

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

• mem/cache/tags/sector_blk.hh
• mem/cache/tags/sector_blk.cc