[src/trunk]: src/sys/arch/i386/stand/mbr Need %ah == 0 (not 0xff) in order to...

[dsl <dsl%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/9b48b3c27390
branches:  trunk
changeset: 569886:9b48b3c27390
user:      dsl <dsl%NetBSD.org@localhost>
date:      Sun Sep 12 08:41:47 2004 +0000

description:
Need %ah == 0 (not 0xff) in order to find the correct partition table entry
when simulating a key press in the non-interactive mbr code.
Fixes bug introduced in rev 1.10 - older versions worked because %ah
happened to be 0!
Fixes PR bin/26919

diffstat:

 sys/arch/i386/stand/mbr/mbr.S |  4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diffs (18 lines):

diff -r 9b3e9dae1e22 -r 9b48b3c27390 sys/arch/i386/stand/mbr/mbr.S
--- a/sys/arch/i386/stand/mbr/mbr.S     Sun Sep 12 08:04:50 2004 +0000
+++ b/sys/arch/i386/stand/mbr/mbr.S     Sun Sep 12 08:41:47 2004 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: mbr.S,v 1.11 2004/09/05 21:42:43 dsl Exp $     */
+/*     $NetBSD: mbr.S,v 1.12 2004/09/12 08:41:47 dsl Exp $     */
 
 /*
  * Copyright (c) 1999-2004 The NetBSD Foundation, Inc. 
@@ -228,7 +228,7 @@
  */
 
 #ifndef BOOTSEL
-       mov     $SCAN_ENTER - SCAN_F1, %ax
+       mov     $(SCAN_ENTER - SCAN_F1) & 0xff, %ax
 #else
 /*
  * Get the initial time value for the timeout comparison. It is returned