comments

Author: nykez

DataCache/Cache.h

@@ -69,6 +69,7 @@ class Cache
         Sets->at(index)->UpdateDirtyEntry(tag);
     }
 
+    // Invalidates the entire cache at set->set cache entry
     int Invalidate(int physicalFrameNmumber)
     {
         int TotalDirty = 0;
@@ -97,6 +98,7 @@ class Cache
     }
 
 
+    // Checks if the cache at index first entry is has a dirty bit
     bool LRU_IsEntryDirtyBit(int index)
     {
         return Sets->at(index)->LRU_IsEntryDirtyBit();

DataCache/CacheEntry.h

@@ -11,7 +11,7 @@ class CacheEntry
 
 public:
 
-    // ctor
+    // constructor / set default values
     CacheEntry()
     {
         Tag = -1;
@@ -20,41 +20,49 @@ class CacheEntry
         PFN = -1;
     }
 
+    // Sets the tag for this cache entry
     void SetTag(int t)
     {
         Tag = t;
     }
 
+    // Returns the tag for this cache entry
     int GetTag()
     {
         return Tag;
     }
 
+    // Sets the valid bit in this cache entry
     void SetValidBit(int bit)
     {
         ValidBit = bit;
     }
 
+    // Returns if this cache entry valid bit is set
     int GetValidBit()
     {
         return ValidBit;
     }
 
+    // Sets the dirty bit to 0 or 1 in this cache entry
     void SetDirtyBit(int bit)
     {
         DirtyBit = bit;
     }
 
+    // Return if this cache entry has its dirty bit set
     int GetDirtyBit()
     {
         return DirtyBit;
     }
 
+    // set Physican Page Number for this cache entry
     void SetPFN(int physical)
     {
         PFN = physical;
     }
 
+    // get Physical Page Number for this cache entry
     int GetPFN()
     {
         return PFN;

DataCache/CacheSet.h

@@ -114,8 +114,6 @@ class CacheSet
         return TotalDirty; // return number of dirty cache entries for write back to memory (write-back policy)
     }
 
-
-
     // is entry set dirty bit?
     bool LRU_IsEntryDirtyBit()
     {