TD3:I5 Implement PageProvide, untested for now

code/machine/machine.cc

@@ -61,6 +61,10 @@ Machine::Machine(bool debug)
     mainMemory = new char[MemorySize];
     for (i = 0; i < MemorySize; i++)
       	mainMemory[i] = 0;
+    #ifdef CHANGED
+    pageProvider = new PageProvider((int)(MemorySize/PageSize));
+    #endif
+    DEBUG ('a', "Allocated page: %i\n", page);
 #ifdef USE_TLB
     tlb = new TranslationEntry[TLBSize];
     for (i = 0; i < TLBSize; i++)

code/machine/machine.h

@@ -26,6 +26,10 @@
 #include "translate.h"
 #include "disk.h"
 
+#ifdef CHANGED
+#include "pageprovider.h"
+#endif
+
 // Definitions related to the size, and format of user memory
 
 #define PageSize 	SectorSize 	// set the page size equal to
@@ -201,7 +205,9 @@ class Machine:public dontcopythis {
 
     TranslationEntry *currentPageTable;
     unsigned int currentPageTableSize;
-
+    #ifdef CHANGED
+    PageProvider * pageProvider;
+    #endif // CHANGED
   private:
     bool singleStep;		// drop back into the debugger after each
 				// simulated instruction