This class contains all information about the Branch History Predictor, that is,. More...

#include <otawa/hard/BHT.h>

Inheritance diagram for otawa::hard::BHT:

Public Types
enum	replace_policy_t { NONE = 0, OTHER = 1, LRU = 2, RANDOM = 3, FIFO = 4, PLRU = 5 }

typedef enum otawa::hard::PureCache::replace_policy_t	replace_policy_t

Public Member Functions
	BHT (void)

virtual	~BHT (void)

void	setCondPenalty (int time)

void	setIndirectPenalty (int time)

void	setCondIndirectPenalty (int time)

void	setDefaultPrediction (int def)

int	getCondPenalty (void) const

int	getIndirectPenalty (void) const

int	getCondIndirectPenalty (void) const

int	getDefaultPrediction (void) const

ot::size	cacheSize (void) const

ot::size	blockSize (void) const

int	wayCount (void) const

int	rowCount (void) const

int	blockCount (void) const

replace_policy_t	replacementPolicy (void) const

int	blockBits (void) const

int	rowBits (void) const

int	tagBits (void) const

int	wayBits (void) const

ot::mask	blockMask (void) const

ot::mask	lineMask (void) const

ot::mask	tagMask (void) const

ot::mask	offset (address_t addr) const

ot::mask	line (address_t addr) const

ot::mask	tag (address_t addr) const

ot::mask	block (address_t addr) const

void	setBlockBits (int block_bits)

void	setRowBits (int set_bits)
	Set the row count as a number of bits. More...

void	setWayBits (int way_bits)
	Set the way count as a number of bits. More...

void	setReplacePolicy (replace_policy_t replace)
	Set the replace policy of the cache. More...

Public Attributes
int	block_bits

int	row_bits

int	way_bits

replace_policy_t	replace

Private Member Functions
	SERIALIZABLE (BHT, ELM_BASE(PureCache)&DFIELD(cond_penalty, 10)&DFIELD(indirect_penalty, 10)&DFIELD(cond_indirect_penalty, 10)&)

Private Attributes
int	cond_penalty

int	indirect_penalty

int	cond_indirect_penalty

int	def_predict

Detailed Description

This class contains all information about the Branch History Predictor, that is,.

the definition of the stored target a cache,
timing information for non-predicted conditional branch,
timing for predicted indirect branch,
timing for non-predicted indirect branch,
default prediction behavior.

Member Typedef Documentation

typedef enum otawa::hard::PureCache::replace_policy_t otawa::hard::PureCache::replace_policy_t

inherited

Member Enumeration Documentation

enum otawa::hard::PureCache::replace_policy_t

inherited

Enumerator
NONE
OTHER
LRU
RANDOM
FIFO
PLRU

Constructor & Destructor Documentation

otawa::hard::BHT::BHT ( void )

inline

virtual otawa::hard::BHT::~BHT ( void )

inlinevirtual

Member Function Documentation

ot::mask otawa::hard::PureCache::block ( address_t addr ) const

inlineinherited

References otawa::hard::PureCache::blockBits(), and otawa::Address::offset().

int otawa::hard::PureCache::blockBits ( void ) const

inlineinherited

References otawa::hard::PureCache::block_bits.

Referenced by otawa::hard::PureCache::block(), otawa::hard::PureCache::blockSize(), otawa::hard::PureCache::cacheSize(), otawa::hard::PureCache::line(), otawa::hard::PureCache::lineMask(), otawa::hard::PureCache::tag(), and otawa::hard::PureCache::tagBits().

int otawa::hard::PureCache::blockCount ( void ) const

inlineinherited

References otawa::hard::PureCache::row_bits, and otawa::hard::PureCache::way_bits.

ot::mask otawa::hard::PureCache::blockMask ( void ) const

inlineinherited

References otawa::hard::PureCache::blockSize().

Referenced by otawa::hard::PureCache::offset(), and otawa::hard::PureCache::tagMask().

ot::size otawa::hard::PureCache::blockSize ( void ) const

inlineinherited

References otawa::hard::PureCache::blockBits().

Referenced by otawa::hard::PureCache::blockMask().

ot::size otawa::hard::PureCache::cacheSize ( void ) const

inlineinherited

References otawa::hard::PureCache::blockBits(), otawa::hard::PureCache::rowBits(), and otawa::hard::PureCache::wayBits().

int otawa::hard::BHT::getCondIndirectPenalty ( void ) const

inline

References cond_indirect_penalty.

int otawa::hard::BHT::getCondPenalty ( void ) const

inline

References cond_penalty.

Referenced by otawa::etime::StandardEventBuilder::handleVariableBranchPred(), and otawa::etime::StandardEventBuilder::processBB().

int otawa::hard::BHT::getDefaultPrediction ( void ) const

inline

References def_predict.

int otawa::hard::BHT::getIndirectPenalty ( void ) const

inline

References indirect_penalty.

ot::mask otawa::hard::PureCache::line ( address_t addr ) const

inlineinherited

References otawa::hard::PureCache::blockBits(), otawa::hard::PureCache::lineMask(), and otawa::Address::offset().

ot::mask otawa::hard::PureCache::lineMask ( void ) const

inlineinherited

References otawa::hard::PureCache::blockBits(), and otawa::hard::PureCache::rowCount().

Referenced by otawa::hard::PureCache::line(), and otawa::hard::PureCache::tagMask().

ot::mask otawa::hard::PureCache::offset ( address_t addr ) const

inlineinherited

References otawa::hard::PureCache::blockMask(), and otawa::Address::offset().

PureCache::replace_policy_t otawa::hard::PureCache::replacementPolicy ( void ) const

inlineinherited

References otawa::hard::PureCache::replace.

int otawa::hard::PureCache::rowBits ( void ) const

inlineinherited

References otawa::hard::PureCache::row_bits.

Referenced by otawa::hard::PureCache::cacheSize(), otawa::hard::PureCache::rowCount(), otawa::hard::PureCache::tag(), and otawa::hard::PureCache::tagBits().

int otawa::hard::PureCache::rowCount ( void ) const

inlineinherited

References otawa::hard::PureCache::rowBits().

Referenced by otawa::hard::PureCache::lineMask().

otawa::hard::BHT::SERIALIZABLE	(	BHT	,
		ELM_BASE(PureCache)&DFIELD(cond_penalty, 10)&DFIELD(indirect_penalty, 10)&DFIELD(cond_indirect_penalty, 10)&
	)

private

void otawa::hard::PureCache::setBlockBits ( int block_bits )

inherited

void otawa::hard::BHT::setCondIndirectPenalty ( int time )

inline

References cond_indirect_penalty.

void otawa::hard::BHT::setCondPenalty ( int time )

inline

References cond_penalty.

void otawa::hard::BHT::setDefaultPrediction ( int def )

inline

References def_predict.

void otawa::hard::BHT::setIndirectPenalty ( int time )

inline

References indirect_penalty.

void otawa::hard::PureCache::setReplacePolicy ( replace_policy_t replace )

inherited

Set the replace policy of the cache.

Parameters

replace Replace policy, one of OTHER, LRU, RANDOM, FIFO, PLRU.

void otawa::hard::PureCache::setRowBits ( int row_bits )

inherited

Set the row count as a number of bits.

The actual row count is 1 << row_bits.

Parameters

row_bits Row count in bits.

void otawa::hard::PureCache::setWayBits ( int way_bits )

inherited

Set the way count as a number of bits.

The actual way count is 1 << way_bits.

Parameters

way_bits Way count in bits.

ot::mask otawa::hard::PureCache::tag ( address_t addr ) const

inlineinherited

References otawa::hard::PureCache::blockBits(), otawa::Address::offset(), and otawa::hard::PureCache::rowBits().

int otawa::hard::PureCache::tagBits ( void ) const

inlineinherited

References otawa::hard::PureCache::blockBits(), and otawa::hard::PureCache::rowBits().

ot::mask otawa::hard::PureCache::tagMask ( void ) const

inlineinherited

References otawa::hard::PureCache::blockMask(), and otawa::hard::PureCache::lineMask().

int otawa::hard::PureCache::wayBits ( void ) const

inlineinherited

References otawa::hard::PureCache::way_bits.

Referenced by otawa::hard::PureCache::cacheSize(), and otawa::hard::PureCache::wayCount().

int otawa::hard::PureCache::wayCount ( void ) const

inlineinherited

References otawa::hard::PureCache::wayBits().

Member Data Documentation

int otawa::hard::PureCache::block_bits

inherited

Referenced by otawa::hard::PureCache::blockBits().

int otawa::hard::BHT::cond_indirect_penalty

private

Referenced by getCondIndirectPenalty(), and setCondIndirectPenalty().

int otawa::hard::BHT::cond_penalty

private

Referenced by getCondPenalty(), and setCondPenalty().

int otawa::hard::BHT::def_predict

private

Referenced by getDefaultPrediction(), and setDefaultPrediction().

int otawa::hard::BHT::indirect_penalty

private

Referenced by getIndirectPenalty(), and setIndirectPenalty().

replace_policy_t otawa::hard::PureCache::replace

inherited

Referenced by otawa::hard::PureCache::replacementPolicy().

int otawa::hard::PureCache::row_bits

inherited

Referenced by otawa::hard::PureCache::blockCount(), and otawa::hard::PureCache::rowBits().

int otawa::hard::PureCache::way_bits

inherited

Referenced by otawa::hard::PureCache::blockCount(), and otawa::hard::PureCache::wayBits().

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

include/otawa/hard/BHT.h

Public Types

Public Member Functions

Public Attributes

Private Member Functions

Private Attributes

Detailed Description

Member Typedef Documentation

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation