kern/thread: preliminary scheduling implementation

This change adds periodic timer interrupt reporting to the thread
module, basic thread selection, and context switching. It currently
only applies to the main processor. The x86/tcb module has been
drastically simplified as a side effect.

1 files changed, 2 insertions, 5 deletions

diff --git a/kern/kernel.c b/kern/kernel.c
index 7c83d8d1..9e7f0435 100644
--- a/kern/kernel.c
+++ b/kern/kernel.c
@@ -27,10 +27,6 @@ kernel_setup(void *arg)
 {
     (void)arg;
 
-    cpu_mp_setup();
-
-    cpu_intr_enable();
-
     for (;;)
         cpu_idle();
 }
@@ -43,13 +39,14 @@ kernel_main(void)
 
     task_setup();
     thread_setup();
+    cpu_mp_setup();
 
     error = thread_create(&thread, "core", kernel_task, kernel_setup, NULL);
 
     if (error)
         panic("kernel: unable to create kernel thread");
 
-    thread_load(thread);
+    thread_run();
 
     /* Never reached */
 }