[SMP] Cpu initialization cleanup

kernel/proc/scheduler.c

@@ -7,9 +7,10 @@
 LIST(thread_t, ready_queue);
 
 thread_t *scheduler_th;
-thread_t *last_thread = 0;
-#define get_last_thread() (last_thread)
-#define set_last_thread(new) (last_thread = (new))
+#define get_last_thread() (get_cpu()->last_thread)
+#define set_last_thread(new) (get_cpu()->last_thread = (new))
+
+int scheduler_started = 0;
 
 void scheduler_insert(thread_t *th)
 {
@@ -66,7 +67,7 @@ void scheduler()
     switch_process(new->process);
     sse_restore(new->sse_registers);
     apic_timer(1000000);
-    switch_thread(scheduler_th, new);
+    switch_thread(get_cpu()->scheduler, new);
   }
 }
 
@@ -75,7 +76,7 @@ void schedule()
   // This function handles swithing to the next thread in the ready queue
 
   thread_t *old = get_current_thread();
-  if(old == scheduler_th)
+  if(old == get_cpu()->scheduler)
     return;
 
   if(old)
@@ -84,11 +85,15 @@ void schedule()
   }
 
   switch_process(0);
-  switch_thread(old, scheduler_th);
+  switch_thread(old, get_cpu()->scheduler);
 }
 
 void scheduler_init()
 {
-  LIST_HEAD_INIT(ready_queue);
-  scheduler_th = new_thread(scheduler);
+  if(!scheduler_started)
+  {
+    LIST_HEAD_INIT(ready_queue);
+    scheduler_started = 1;
+  }
+  get_cpu()->scheduler = new_thread(scheduler);
 }

kernel/proc/thread.c

@@ -6,8 +6,6 @@
 #include <debug.h>
 #include <registers.h>
 
-thread_t *current_thread = 0;
-
 uint64_t tid = 1;