kernel/entry.s

   1 bits 32
   2 extern kmain
   3 extern __STACK_BOTTOM__
   4
   5 global _start
   6 _start:
   7         mov ebp, __STACK_BOTTOM__
   8         mov esp, ebp
   9         push ebx
  10         push edi
  11         call kmain
  12         hlt
  13         jmp $-1