Kernel - Finally fixed that corruption bug (description follows)

[tpg/acess2.git] / Kernel / arch / x86 / proc.c

diff --git a/Kernel/arch/x86/proc.c b/Kernel/arch/x86/proc.c
index b677dfd..3ae79bf 100644 (file)
--- a/Kernel/arch/x86/proc.c
+++ b/Kernel/arch/x86/proc.c
@@ -13,14 +13,19 @@
 #endif
 
 // === FLAGS ===
-#define DEBUG_TRACE_SWITCH     1
+#define DEBUG_TRACE_SWITCH     0
 #define DEBUG_DISABLE_DOUBLEFAULT      1
+#define DEBUG_VERY_SLOW_SWITCH 0
 
 // === CONSTANTS ===
 #define        SWITCH_MAGIC    0xFF5317C8      // FF SWITCH - There is no code in this area
 // Base is 1193182
 #define TIMER_BASE      1193182
-#define TIMER_DIVISOR   11932  //~100Hz
+#if DEBUG_VERY_SLOW_PERIOD
+# define TIMER_DIVISOR 1193    //~10Hz switch, with 10 quantum = 1s per thread
+#else
+# define TIMER_DIVISOR 11932   //~100Hz
+#endif
 
 // === TYPES ===
 #if USE_MP
@@ -999,16 +1004,6 @@ void Proc_Scheduler(int CPU)
        thread = Threads_GetNextToRun(CPU, thread);
        
        
-       #if DEBUG_TRACE_SWITCH
-       if(thread) {
-               Log("Switching to task %i, CR3 = 0x%x, EIP = %p",
-                       thread->TID,
-                       thread->MemState.CR3,
-                       thread->SavedState.EIP
-                       );
-       }
-       #endif
-       
        // No avaliable tasks, just go into low power mode (idle thread)
        if(thread == NULL) {
                #if USE_MP
@@ -1019,6 +1014,17 @@ void Proc_Scheduler(int CPU)
                #endif
        }
        
+       #if DEBUG_TRACE_SWITCH
+       if(thread && thread != Proc_GetCurThread() ) {
+               Log("Switching to task %i(%s), CR3 = 0x%x, EIP = %p",
+                       thread->TID,
+                       thread->ThreadName,
+                       thread->MemState.CR3,
+                       thread->SavedState.EIP
+                       );
+       }
+       #endif
+       
        // Set current thread
        #if USE_MP
        gaCPUs[CPU].Current = thread;