337300d376
Check if there's no active partition after MBR editing. Ask for own MBR to be installed if we're booting from out of CHS range. Ask for bootselector to be installed if > 1 OS, and configure it.
89 lines
3.3 KiB
C
89 lines
3.3 KiB
C
/* $NetBSD: mbr.h,v 1.6 1999/05/02 13:07:15 fvdl Exp $ */
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/*
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* Copyright 1997, 1988 Piermont Information Systems Inc.
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* All rights reserved.
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*
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* Written by Philip A. Nelson for Piermont Information Systems Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software develooped for the NetBSD Project by
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* Piermont Information Systems Inc.
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* 4. The name of Piermont Information Systems Inc. may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY PIERMONT INFORMATION SYSTEMS INC. ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL PIERMONT INFORMATION SYSTEMS INC. BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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/*
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* mbr.h -- definitions for reading, writing and editing DOS MBRs.
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* Use by including from md.h on ports which use MBRs (i386, powerpc, arc)
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* naming convention: dlxxxx => NetBSD disklabel, bxxxx => bios
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*/
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/* constants and defines */
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#include <sys/disklabel_mbr.h>
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/*
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* XXX
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*/
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#define MBR_SECSIZE 512
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#define MBR_PUT_LSCYL(c) ((c) & 0xff)
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#define MBR_PUT_MSCYLANDSEC(c,s) (((s) & 0x3f) | (((c) >> 2) & 0xc0))
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/* incore fdisk (mbr, bios) geometry */
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EXTERN int bcyl, bhead, bsec, bsize, bcylsize;
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/* incore copy of MBR partitions */
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EXTERN struct mbr_partition *part;
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EXTERN int activepart;
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EXTERN int bsdpart; /* partition in use by NetBSD */
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EXTERN int usefull; /* on install, clobber entire disk */
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extern char mbr[];
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/* from mbr.c */
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void set_fdisk_geom __P((void)); /* edit incore BIOS geometry */
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void disp_cur_geom __P((void));
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int check_geom __P((void)); /* primitive geometry sanity-check */
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void disp_cur_part __P((struct mbr_partition *, int, int));
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int edit_mbr __P((struct mbr_partition *));
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int partsoverlap __P((struct mbr_partition *, int, int));
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/* from mbr.c */
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int read_mbr __P((char *, char *, int));
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int write_mbr __P((char *, char *, int));
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int valid_mbr __P((char *));
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int guess_biosgeom_from_mbr __P((char *, int *, int *, int *));
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int md_bios_info __P((char *));
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void set_bios_geom __P((int, int, int));
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int otherpart __P((int));
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int ourpart __P((int));
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char *get_partname __P((int));
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