Cache.h

#ifndef _CACHE_H
#define _CACHE_H

#include "stdafx.h"

#define ASSOCIATIVITY 2

typedef struct _BlockState {
	int wordStartedOn;
	int wordsGotten;
} BlockState;

typedef struct _DirectMappedCacheEntry {
	int valid;
	int tag;
	int isLoading;
	int* block;
	BlockState blockState;
} DirectMappedCacheEntry;

typedef struct _MultiWayCacheEntry {
	int valid;
	int dirty;
	int lru;
	int tag;
	int isLoading;
	int* block;
	BlockState blockState;
} MultiWayCacheEntry;

typedef struct _L1Cache {
	DirectMappedCacheEntry* cache;
	int cacheLength;
	int blockSize;
	int hits;
	int misses;
} L1Cache;

typedef struct _L2Cache {
	MultiWayCacheEntry** cache;
	int cacheLength;
	int blockSize;
	int hits;
	int misses;
} L2Cache;

void InitCaches(ConfigurationStruct* cs);

void DestroyCaches();

double GetL1HitRate();

double GetL2HitRate();

/* Loads a word from memory
returns number of cycles till word arrvied and the word loaded
*/

int LoadWord(int address,int* word);

int StoreWord(int address,int* word);
//note: should take care of BlockStatus Struct
void DoWork();

int PCtoAddress(int pc);

int GetCacheEntryNumber(int address,int blockSize, int cacheLength);

int GetOffset(int address,int blockSize, int cacheLength);

int GetAddressTag(int address,int blockSize, int cacheLength);

void SetLRU(int blockNum,MultiWayCacheEntry* line);

void WriteL1CacheToFile(char* filename);

void WriteL2CacheToFile(char* filename);

void WriteHitRatioAndAMAT(char* filename);

#endif