give each cpu its own clock, so that preemption works on cpu 1

1 files changed, 2 insertions, 0 deletions

diff --git a/main.c b/main.c
index ce29af3..c6051ed 100644
--- a/main.c
+++ b/main.c
@@ -28,6 +28,8 @@ main()
     acquire_spinlock(&kernel_lock);
     idtinit(); // CPU's idt
     lapic_init(cpu());
+    lapic_timerinit();
+    lapic_enableintr();
     scheduler();
   }
   acpu = 1;