diff options
| author | Marcus Glocker <mglocker@cvs.openbsd.org> | 2012-06-04 16:17:05 +0000 |
|---|---|---|
| committer | Marcus Glocker <mglocker@cvs.openbsd.org> | 2012-06-04 16:17:05 +0000 |
| commit | 8b10c98339447e6a18039579656a15b48d73cb5a (patch) | |
| tree | 41f13b435f27b90229aa8a0b1de9a2218e405110 /sys/arch/i386 | |
| parent | 2e46805eb2544d995862c6c492b17fa1af1687d5 (diff) | |
Fix serial port output.
OK weingart@
Diffstat (limited to 'sys/arch/i386')
| -rw-r--r-- | sys/arch/i386/stand/mbr/mbr.S | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sys/arch/i386/stand/mbr/mbr.S b/sys/arch/i386/stand/mbr/mbr.S index e76268344a4..66149ca6cd7 100644 --- a/sys/arch/i386/stand/mbr/mbr.S +++ b/sys/arch/i386/stand/mbr/mbr.S @@ -1,4 +1,4 @@ -/* $OpenBSD: mbr.S,v 1.22 2012/05/29 04:22:57 mglocker Exp $ */ +/* $OpenBSD: mbr.S,v 1.23 2012/06/04 16:17:04 mglocker Exp $ */ /* * Copyright (c) 1997 Michael Shalayeff and Tobias Weingartner @@ -170,10 +170,12 @@ reloc: #ifdef SERIAL /* Initialize the serial port to 9600 baud, 8N1. */ + pushw %dx xorw %ax, %ax movb $0xe3, %ax movw $SERIAL, %dx int $0x14 + popw %dx #endif /* @@ -497,7 +499,7 @@ Lchr: #ifdef SERIAL pushw %dx movb $0x01, %ah - movw SERIAL, %dx + movw $SERIAL, %dx int $0x14 popw %dx #else |