/// <summary>
/// Construct a DataCache given data cache preferences.
/// </summary>
/// <param name="memoryBlock">reference to main memory block</param>
/// <param name="dataCachePreferences">the data cache preferences</param>
public DataCache(MemoryBlock memoryBlock, DataCachePreferences dataCachePreferences)
: base(memoryBlock, dataCachePreferences)
{
_writePolicy = dataCachePreferences.WritePolicy;
_allocatePolicy = dataCachePreferences.AllocatePolicy;
_writeThru = (_writePolicy == WritePolicyEnum.WriteThrough);
}
public void SetSettings(CachePreferences cachePreferences)
{
InstructionCachePreferences cp = mInstructionCacheSummary ? cachePreferences.InstructionCachePreferences : cachePreferences.DataCachePreferences;
if (!cp.Enabled)
{
gbSummary.Enabled = false;
return;
}
lblCacheSize.Text = (cp.NumberBlocks * cp.BlockSize).ToString() + " Bytes";
lblBlockSize.Text = cp.BlockSize.ToString() + " Bytes";
lblNumBlocks.Text = cp.NumberBlocks.ToString();
if (cp.NumberBlocks == 1)
{
lblAssociativity.Text = "Fully Associative";
}
else if (cp.NumberBlocks == cp.BlocksPerSet)
{
lblAssociativity.Text = "Direct Mapped";
}
else
{
lblAssociativity.Text = string.Format("{0} way", cp.BlocksPerSet);
}
lblReplacement.Text = cp.ReplaceStrategy.ToString();
if (!mInstructionCacheSummary)
{
DataCachePreferences dcp = cachePreferences.DataCachePreferences;
lblAllocate.Text = dcp.AllocatePolicy.ToString();
lblWrite.Text = dcp.WritePolicy.ToString();
}
}//SetSettings
public CacheWizard(CachePreferences cachePreferences)
{
InitializeComponent();
mCachePreferences = cachePreferences;
rbUnifiedYes.Checked = mCachePreferences.UnifiedCache;
rbUnifiedNo.Checked = !mCachePreferences.UnifiedCache;
{
InstructionCachePreferences icp = mCachePreferences.InstructionCachePreferences;
rbICacheEnableYes.Checked = icp.Enabled;
rbICacheEnableNo.Checked = !icp.Enabled;
instructionCacheSize.Set(icp.BlockSize, icp.NumberBlocks);
instructionAssociativity.Set(icp.NumberBlocks, icp.BlocksPerSet);
instructionReplacementStrategy.ReplaceStrategyType = icp.ReplaceStrategy;
}
{
DataCachePreferences dcp = mCachePreferences.DataCachePreferences;
rbDCacheEnableYes.Checked = dcp.Enabled;
rbDCacheEnableNo.Checked = !dcp.Enabled;
dataCacheSize.Set(dcp.BlockSize, dcp.NumberBlocks);
dataAssociativity.Set(dcp.NumberBlocks, dcp.BlocksPerSet);
dataReplacementStrategy.ReplaceStrategyType = dcp.ReplaceStrategy;
writePolicy.WritePolicyType = dcp.WritePolicy;
allocatePolicy.AllocatePolicyType = dcp.AllocatePolicy;
}
}
