TD3:I5 put PageProvider in the right place

code/machine/machine.cc

@@ -61,11 +61,7 @@ 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
+    #ifdef USE_TLB
     tlb = new TranslationEntry[TLBSize];
     for (i = 0; i < TLBSize; i++)
 	tlb[i].valid = FALSE;

code/machine/machine.h

@@ -205,9 +205,6 @@ 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

code/threads/system.cc

@@ -36,6 +36,7 @@ Machine *machine;		// user program memory and registers
 
 #ifdef CHANGED // Define our consoledriver Object
 ConsoleDriver *consoledriver;
+PageProvider *pageProvider;
 #endif // CHANGED
 
 #endif // USER_PROGRAM
@@ -184,8 +185,11 @@ Initialize (int argc, char **argv)
 
 #ifdef USER_PROGRAM
     machine = new Machine (debugUserProg);	// this must come first
-#endif
 
+    #ifdef CHANGED
+    pageProvider = new PageProvider((int)(MemorySize/PageSize));
+    #endif //CHANGED
+#endif
 #ifdef FILESYS
     synchDisk = new SynchDisk ("DISK");
 #endif
@@ -240,6 +244,10 @@ Cleanup ()
         delete consoledriver;
         consoledriver = NULL;
     }
+    if (pageProvider){
+        delete pageProvider;
+        pageProvider = NULL;
+    }
 #endif
 #endif
 

code/threads/system.h

@@ -37,7 +37,9 @@ extern Machine *machine;	// user program memory and registers
 #define MAX_STRING_SIZE 8
 #include "consoledriver.h"
 extern ConsoleDriver *consoledriver; // add console driver
-#endif
+#include "pageprovider.h"
+extern PageProvider *pageProvider;   // add our page provider
+#endif //CHANGED
 
 #endif