Added CR0 handling for PROTECTED_PG and for the CLTS instruction

[palacios.git] / palacios / src / geekos / timer.c

diff --git a/palacios/src/geekos/timer.c b/palacios/src/geekos/timer.c
index e0311a4..7355efb 100644 (file)
--- a/palacios/src/geekos/timer.c
+++ b/palacios/src/geekos/timer.c
@@ -2,7 +2,7 @@
  * GeekOS timer interrupt support
  * Copyright (c) 2001,2003 David H. Hovemeyer <daveho@cs.umd.edu>
  * Copyright (c) 2003, Jeffrey K. Hollingsworth <hollings@cs.umd.edu>
- * $Revision: 1.4 $
+ * $Revision: 1.8 $
  * 
  * This is free software.  You are permitted to use,
  * redistribute, and modify it as specified in the file "COPYING".
@@ -202,24 +202,33 @@ int g_Quantum = DEFAULT_MAX_TICKS;
 
 static void Timer_Interrupt_Handler(struct Interrupt_State* state)
 {
-    struct Kernel_Thread* current = g_currentThread;
+   struct Kernel_Thread* current = g_currentThread;
 
     Begin_IRQ(state);
 
-    SerialPrintLevel(1,"Host Timer Interrupt Handler Running\n");
 
+
+#if 0
+#define STACK_LEN 256
+
+    SerialPrint("Host Timer Interrupt Handler running\n");
+    SerialPrint("Timer====\n");
+    Dump_Interrupt_State(state);
+    //    SerialMemDump((unsigned char*)(&current),STACK_LEN);
+    SerialPrint("Timer done===\n");
+
+#endif
     /* Update global and per-thread number of ticks */
     ++g_numTicks;
     ++current->numTicks;
 
-
     /*
      * If thread has been running for an entire quantum,
      * inform the interrupt return code that we want
      * to choose a new thread.
      */
     if (current->numTicks >= g_Quantum) {
-       g_needReschedule = true;
+       g_needReschedule = true;
     }