cache.c File Reference

#include <string.h>
#include <limits.h>
#include "common.h"
#include "cache.h"
#include "disc.h"
#include "mem_allocate.h"
#include "bit_ops.h"
#include "file_allocation_table.h"

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Macros
#define	CACHE_FREE   UINT_MAX

Functions
CACHE *	_FAT_cache_constructor (unsigned int numberOfPages, unsigned int sectorsPerPage, const DISC_INTERFACE *discInterface, sec_t endOfPartition, unsigned int bytesPerSector)
void	_FAT_cache_destructor (CACHE *cache)
static u32	accessTime ()
static CACHE_ENTRY *	_FAT_cache_getPage (CACHE *cache, sec_t sector)
bool	_FAT_cache_readSectors (CACHE *cache, sec_t sector, sec_t numSectors, void *buffer)
bool	_FAT_cache_readPartialSector (CACHE *cache, void *buffer, sec_t sector, unsigned int offset, size_t size)
bool	_FAT_cache_readLittleEndianValue (CACHE *cache, uint32_t *value, sec_t sector, unsigned int offset, int num_bytes)
bool	_FAT_cache_writePartialSector (CACHE *cache, const void *buffer, sec_t sector, unsigned int offset, size_t size)
bool	_FAT_cache_writeLittleEndianValue (CACHE *cache, const uint32_t value, sec_t sector, unsigned int offset, int size)
bool	_FAT_cache_eraseWritePartialSector (CACHE *cache, const void *buffer, sec_t sector, unsigned int offset, size_t size)
bool	_FAT_cache_writeSectors (CACHE *cache, sec_t sector, sec_t numSectors, const void *buffer)
bool	_FAT_cache_flush (CACHE *cache)
void	_FAT_cache_invalidate (CACHE *cache)

Variables
static u32	accessCounter = 0

Macro Definition Documentation

CACHE_FREE

#define CACHE_FREE   UINT_MAX

Function Documentation

_FAT_cache_constructor()

CACHE* _FAT_cache_constructor	(	unsigned int	numberOfPages,
		unsigned int	sectorsPerPage,
		const DISC_INTERFACE *	discInterface,
		sec_t	endOfPartition,
		unsigned int	bytesPerSector
	)

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_FAT_cache_destructor()

void _FAT_cache_destructor

(

CACHE *

cache

)

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_FAT_cache_eraseWritePartialSector()

bool _FAT_cache_eraseWritePartialSector	(	CACHE *	cache,
		const void *	buffer,
		sec_t	sector,
		unsigned int	offset,
		size_t	size
	)

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_FAT_cache_flush()

bool _FAT_cache_flush

(

CACHE *

cache

)

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_FAT_cache_getPage()

static CACHE_ENTRY* _FAT_cache_getPage ( CACHE *  cache, sec_t  sector  )

static

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_FAT_cache_invalidate()

void _FAT_cache_invalidate

(

CACHE *

cache

)

_FAT_cache_readLittleEndianValue()

bool _FAT_cache_readLittleEndianValue	(	CACHE *	cache,
		uint32_t *	value,
		sec_t	sector,
		unsigned int	offset,
		int	num_bytes
	)

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_FAT_cache_readPartialSector()

bool _FAT_cache_readPartialSector	(	CACHE *	cache,
		void *	buffer,
		sec_t	sector,
		unsigned int	offset,
		size_t	size
	)

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_FAT_cache_readSectors()

bool _FAT_cache_readSectors	(	CACHE *	cache,
		sec_t	sector,
		sec_t	numSectors,
		void *	buffer
	)

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_FAT_cache_writeLittleEndianValue()

bool _FAT_cache_writeLittleEndianValue	(	CACHE *	cache,
		const uint32_t	value,
		sec_t	sector,
		unsigned int	offset,
		int	size
	)

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_FAT_cache_writePartialSector()

bool _FAT_cache_writePartialSector	(	CACHE *	cache,
		const void *	buffer,
		sec_t	sector,
		unsigned int	offset,
		size_t	size
	)

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_FAT_cache_writeSectors()

bool _FAT_cache_writeSectors	(	CACHE *	cache,
		sec_t	sector,
		sec_t	numSectors,
		const void *	buffer
	)

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accessTime()

static u32 accessTime ( )

static

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Variable Documentation

accessCounter

u32 accessCounter = 0

static