kernel panic and trapping :)

src/kernel/kernel.c

@@ -2,8 +2,10 @@
 #include <stddef.h>
 #include <drivers/uart.h>
 #include <syscon/syscon.h>
+#include <kernel/panic.h>
 
 void kmain() {
     kprint("Hello, OS World!\n");
+    kpanic_force();
     poweroff();
 }