Kernel/x86 - Fix PMem bitmap overflow

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

diff --git a/KernelLand/Kernel/arch/x86/proc.c b/KernelLand/Kernel/arch/x86/proc.c
index 3119ada..2869c3c 100644 (file)
--- a/KernelLand/Kernel/arch/x86/proc.c
+++ b/KernelLand/Kernel/arch/x86/proc.c
@@ -1,7 +1,11 @@
 /*
- * AcessOS Microkernel Version
+ * Acess2 Kernel (x86)
+ * - By John Hodge (thePowersGang)
+ *
  * proc.c
+ * - Low level thread management
  */
+#define DEBUG  0
 #include <acess.h>
 #include <threads.h>
 #include <proc.h>
@@ -505,11 +509,12 @@ tPID Proc_Clone(Uint Flags)
  */
 tThread *Proc_SpawnWorker(void (*Fcn)(void*), void *Data)
 {
-       tThread *new;
        Uint    stack_contents[4];
+       LOG("(Fcn=%p,Data=%p)", Fcn, Data);
        
        // Create new thread
-       new = Threads_CloneThreadZero();
+       tThread *new = Threads_CloneThreadZero();
+       LOG("new=%p", new);
        if(!new) {
                Warning("Proc_SpawnWorker - Out of heap space!\n");
                return NULL;
@@ -523,6 +528,7 @@ tThread *Proc_SpawnWorker(void (*Fcn)(void*), void *Data)
        
        // Create a new worker stack (in PID0's address space)
        new->KernelStack = MM_NewWorkerStack(stack_contents, sizeof(stack_contents));
+       LOG("new->KernelStack = %p", new->KernelStack);
 
        // Save core machine state
        new->SavedState.ESP = new->KernelStack - sizeof(stack_contents);
@@ -533,6 +539,7 @@ tThread *Proc_SpawnWorker(void (*Fcn)(void*), void *Data)
        // Mark as active
        new->Status = THREAD_STAT_PREINIT;
        Threads_AddActive( new );
+       LOG("Added to active");
        
        return new;
 }