/// <summary>
/// Construct an L1Cache given a cache settings
/// </summary>
/// <param name="mb">reference to main memory block</param>
/// <param name="cs">instruction cache preferences</param>
public L1Cache(MemoryBlock mb, InstructionCachePreferences cs)
{
memBlock = mb;
//Only if this cache is enabled do we create all these items
if (cs.Enabled)
{
replaceStrategy = cs.ReplaceStrategy;
wordsPerBlock = cs.BlockSize / 4;
uint numberBlocks = cs.NumberBlocks;
uint blocksPerSet = cs.BlocksPerSet;
//determine the number of sets in the cache
uint numSets = numberBlocks / blocksPerSet;
//and allocate the collection of sets
Sets = new CacheSet[numSets];
//create and init each set
uint blockNumber = 0;
for (uint ii = 0; ii < numSets; ii++)
{
Sets[ii] = new CacheSet(mb, wordsPerBlock, blocksPerSet, blockNumber, replaceStrategy);
blockNumber += blocksPerSet;
} //for ii
} //if
ResetStats();
}//L1Cache ctor
/// <summary>
/// Create a CacheSet with blocksPerSet lines. Create each line in the set and reset the
/// statisitcs.
/// </summary>
/// <param name="mb">reference to main memory block</param>
/// <param name="wordsPerBlock">number of words per block</param>
/// <param name="blocksPerSet">number of blocks per set</param>
/// <param name="startBlock">starting block of this set</param>
/// <param name="replaceStrategy">which replacement strategy to use</param>
public CacheSet(MemoryBlock mb, uint wordsPerBlock, uint blocksPerSet, uint startBlock, ReplaceStrategiesEnum replaceStrategy)
{
memBlock = mb;
_replaceStrategy = replaceStrategy;
rand = new Random(4);
Blocks = new CacheBlock[blocksPerSet];
for (uint ii = 0; ii < blocksPerSet; ii++)
{
Blocks[ii] = new CacheBlock(mb, wordsPerBlock, startBlock++);
} //for ii
ResetStats();
}//CacheSet ctor
