open()

1 files changed, 2 insertions, 0 deletions

diff --git a/main.c b/main.c
index 1b8bdbe..3db7eab 100644
--- a/main.c
+++ b/main.c
@@ -95,6 +95,8 @@ mpmain(void)
 {
   cprintf("an application processor\n");
   idtinit(); // CPU's idt
+  if(cpu() == 0)
+    panic("mpmain on cpu 0");
   lapic_init(cpu());
   lapic_timerinit();
   lapic_enableintr();