core: add hlt to infinite loop

We should never hit it, but if we do, don't burn the CPU to a crisp.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

diff --git a/core/diskstart.inc b/core/diskstart.inc
index b4086c5..e925465 100644 (file)
--- a/core/diskstart.inc
+++ b/core/diskstart.inc
@@ -367,7 +367,8 @@ kaboom:
                                        ; NB: replaced by int 18h if
                                        ; chosen at install time..
                int 19h                 ; And try once more to boot...
-.norge:                jmp short .norge        ; If int 19h returned; this is the end
+.norge:                hlt                     ; If int 19h returned; this is the end
+               jmp short .norge
 
 ;
 ;