141 lines
4.3 KiB
C
141 lines
4.3 KiB
C
/* $NetBSD: fstypes.c,v 1.10 2006/10/22 21:06:19 christos Exp $ */
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/*-
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* Copyright (c) 2002 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Matt Fredette and Luke Mewburn.
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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 developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE 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 THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#if HAVE_NBTOOL_CONFIG_H
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#include "nbtool_config.h"
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#endif
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#include <sys/cdefs.h>
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#if defined(__RCSID) && !defined(__lint)
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__RCSID("$NetBSD: fstypes.c,v 1.10 2006/10/22 21:06:19 christos Exp $");
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#endif /* !__lint */
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#include <sys/types.h>
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#include <assert.h>
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#include <err.h>
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#include <stdio.h>
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#include "installboot.h"
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struct ib_fs fstypes[] = {
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#ifndef NO_STAGE2
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{ .name = "ffs", .match = ffs_match, .findstage2 = ffs_findstage2 },
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{ .name = "raid", .match = raid_match, .findstage2 = ffs_findstage2 },
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{ .name = "raw", .match = raw_match, .findstage2 = raw_findstage2 },
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#endif
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{ .name = NULL, }
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};
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#ifndef NO_STAGE2
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int
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hardcode_stage2(ib_params *params, uint32_t *maxblk, ib_block *blocks)
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{
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struct stat s2sb;
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uint32_t nblk, i;
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assert(params != NULL);
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assert(params->stage2 != NULL);
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assert(maxblk != NULL);
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assert(blocks != NULL);
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assert((params->flags & IB_STAGE2START) != 0);
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assert(params->fstype != NULL);
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assert(params->fstype->blocksize != 0);
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if (stat(params->stage2, &s2sb) == -1) {
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warn("Examining `%s'", params->stage2);
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return (0);
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}
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if (!S_ISREG(s2sb.st_mode)) {
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warnx("`%s' must be a regular file", params->stage2);
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return (0);
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}
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nblk = s2sb.st_size / params->fstype->blocksize;
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if (s2sb.st_size % params->fstype->blocksize != 0)
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nblk++;
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#if 0
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fprintf(stderr, "for %s got size %lld blksize %u blocks %u\n",
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params->stage2, s2sb.st_size, params->fstype->blocksize, nblk);
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#endif
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if (nblk > *maxblk) {
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warnx("Secondary bootstrap `%s' has too many blocks "
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"(calculated %u, maximum %u)",
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params->stage2, nblk, *maxblk);
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return (0);
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}
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for (i = 0; i < nblk; i++) {
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blocks[i].block = params->s2start +
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i * (params->fstype->blocksize / 512);
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blocks[i].blocksize = params->fstype->blocksize;
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}
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*maxblk = nblk;
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return (1);
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}
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int
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raw_match(ib_params *params)
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{
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assert(params != NULL);
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assert(params->fstype != NULL);
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params->fstype->blocksize = 8192; // XXX: hardcode
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return (1); /* can always write to a "raw" file system */
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}
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int
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raw_findstage2(ib_params *params, uint32_t *maxblk, ib_block *blocks)
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{
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assert(params != NULL);
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assert(params->stage2 != NULL);
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assert(maxblk != NULL);
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assert(blocks != NULL);
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if ((params->flags & IB_STAGE2START) == 0) {
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warnx("Need `-B bno' for raw file systems");
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return (0);
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}
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return (hardcode_stage2(params, maxblk, blocks));
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}
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#endif
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