Added debug to Threads_GetNext

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

diff --git a/Kernel/arch/x86/proc.c b/Kernel/arch/x86/proc.c
index bb93bfc..fd91643 100644 (file)
--- a/Kernel/arch/x86/proc.c
+++ b/Kernel/arch/x86/proc.c
@@ -10,6 +10,9 @@
 # include <mp.h>
 #endif
 
+// === FLAGS ===
+#define DEBUG_TRACE_SWITCH     0
+
 // === CONSTANTS ===
 #define        SWITCH_MAGIC    0xFFFACE55      // There is no code in this area
 #define TIMER_DIVISOR  11931   //~100Hz
@@ -29,6 +32,7 @@ extern tThread        *gActiveThreads;
 extern tThread *gSleepingThreads;
 extern tThread *gDeleteThreads;
 extern tThread *Threads_GetNextToRun(int CPU);
+extern void    Threads_Dump();
 
 // === PROTOTYPES ===
 void   ArchThreads_Init();
@@ -312,6 +316,8 @@ int Proc_Clone(Uint *Err, Uint Flags)
        giTotalTickets += newThread->NumTickets;
        RELEASE( &giThreadListLock );
        
+       Threads_Dump();
+       
        return newThread->TID;
 }
 
@@ -464,7 +470,7 @@ void Proc_Scheduler(int CPU)
        
        // Check if there is any tasks running
        if(giNumActiveThreads == 0) {
-               Log("No Active threads, sleeping\n");
+               Log("No Active threads, sleeping");
                __asm__ __volatile__ ("hlt");
                return;
        }
@@ -494,6 +500,14 @@ void Proc_Scheduler(int CPU)
                return;
        }
        
+       #if DEBUG_TRACE_SWITCH
+       Log("Switching to task %i, CR3 = 0x%x, EIP = %p",
+               thread->TID,
+               thread->MemState.CR3,
+               thread->SavedState.EIP
+               );
+       #endif
+       
        // Set current thread
        gCurrentThread = thread;