WriteThrough Class Reference

The WriteThrough coherence protocol. More...

#include <write_through.h>

Inheritance diagram for WriteThrough:

Collaboration diagram for WriteThrough:

Public Member Functions
	WriteThrough (CacheABC &cache)
	Construct a new WriteThrough coherence protocol. More...
void	PrRd (cache_line *line)
	Receive a PrRd message. More...
void	PrWr (cache_line *line)
	Receive a PrWr message. More...
bool	BusRd (cache_line *line)
	Receive a BusRd message. More...
bool	BusWr (cache_line *line)
	Receive a BusWr message. More...
bool	doesWriteNoAllocate ()
	Determine whether the coherence protocol uses write no-allocate. More...
bool	isWriteBackNeeded (state_e state)
	Determine whether a line needs to be written back to main memory. More...
Public Member Functions inherited from CoherenceProtocol
	CoherenceProtocol (CacheABC &cache)
	Construct a new coherence protocol. More...
virtual bool	BusRdX (cache_line *line)
	Receive a BusRdX message. More...
virtual bool	BusUpdt (cache_line *line)
	Receive a BusUpdt message. More...
virtual bool	BusUpgr (cache_line *line)
	Receive a BusUpgr message. More...
virtual bool	doesDirtySharing ()
	Determine whether the coherence protocol does dirty sharing. More...

Additional Inherited Members
Protected Attributes inherited from CoherenceProtocol
CacheABC &	cache
	The parent cache.

Detailed Description

The WriteThrough coherence protocol.

Constructor & Destructor Documentation

WriteThrough()

WriteThrough::WriteThrough ( CacheABC &  cache )

inline

Construct a new WriteThrough coherence protocol.

Parameters

cache

The parent cache

Member Function Documentation

BusRd()

bool WriteThrough::BusRd ( cache_line *  line )

virtual

Receive a BusRd message.

Parameters

line	The cache line accessed

Returns

True if the line data can be or could have been shared

Implements CoherenceProtocol.

BusWr()

bool WriteThrough::BusWr ( cache_line *  line )

virtual

Receive a BusWr message.

Parameters

line	The cache line accessed

Returns

True if the line data can be or could have been shared

Reimplemented from CoherenceProtocol.

doesWriteNoAllocate()

bool WriteThrough::doesWriteNoAllocate ( )

virtual

Determine whether the coherence protocol uses write no-allocate.

Returns

True if the coherence protocol uses write no-allocate

Reimplemented from CoherenceProtocol.

isWriteBackNeeded()

bool WriteThrough::isWriteBackNeeded ( state_e  state )

virtual

Determine whether a line needs to be written back to main memory.

Parameters

state

The state of the line

Returns

Whether the line needs to be written back to main memory

Implements CoherenceProtocol.

PrRd()

void WriteThrough::PrRd ( cache_line *  line )

virtual

Receive a PrRd message.

Parameters

line	The cache line accessed (non-null)

Implements CoherenceProtocol.

PrWr()

void WriteThrough::PrWr ( cache_line *  line )

virtual

Receive a PrWr message.

Parameters

line	The cache line accessed (non-null)

Implements CoherenceProtocol.

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

• src/coherence/write_through.h
• src/coherence/write_through.cc