/*
Cache Simulator (Starter Code) by Justin Goins
Oregon State University
Spring Term 2021
*/
#ifndef _CACHESTUFF_H_
#define _CACHESTUFF_H_
enum class ReplacementPolicy {
Random,
LRU
};
enum class WritePolicy {
WriteThrough,
WriteBack
};
// structure to hold information about a particular cache
struct CacheInfo {
unsigned int numByteOffsetBits;
unsigned int numSetIndexBits;
unsigned int numberSets; // how many sets are in the cache
unsigned int blockSize; // size of each block in bytes
unsigned int associativity; // the level of associativity (N)
ReplacementPolicy rp;
WritePolicy wp;
unsigned int cacheAccessCycles;
unsigned int memoryAccessCycles;
};
// this structure can filled with information about each memory operation
struct CacheResponse {
int hits; // how many caches did this memory operation hit?
int misses; // how many caches did this memory operation miss?
int evictions; // did this memory operation involve one or more evictions?
int dirtyEvictions; // were any evicted blocks marked as dirty? (relevant for write-back cache)
unsigned int cycles; // how many clock cycles did this operation take?
};
#endif //CACHESTUFF