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Fix code that scans extended partition list

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This commit is contained in:
dsl 2003-04-24 17:37:54 +00:00
parent f57f7ac072
commit cf4ada7934
1 changed files with 3 additions and 2 deletions
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5
sys/arch/i386/stand/bootxx/pbr.S
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@ -1,4 +1,4 @@
/* $NetBSD: pbr.S,v 1.1 2003/04/16 22:16:36 dsl Exp $ */
/* $NetBSD: pbr.S,v 1.2 2003/04/24 17:37:54 dsl Exp $ */
/*-
* Copyright (c) 2003 The NetBSD Foundation, Inc.
@ -141,11 +141,12 @@ start0:
/* Now scan the mbr partition table for a netbsd partition */
xorl %ebx, %ebx /* for base extended ptn chain */
xorl %ecx, %ecx /* for next extended ptn */
scan_ptn_tbl:
xorl %ecx, %ecx /* for next extended ptn */
movw $BOOTADDR + MBR_PARTOFF, %di
1: movb 4(%di), %al /* mbrp_typ */
movl 8(%di), %ebp /* mbrp_start == LBA sector */
addl lba_sector, %ebp /* add base of extended partition */
cmpb $MBR_PTYPE_NETBSD, %al
jne 10f
testl %esi, %esi /* looking for a specific sector? */