1/*	$NetBSD: fstypes.c,v 1.14 2024/05/19 15:48:57 tsutsui Exp $	*/
2
3/*-
4 * Copyright (c) 2002 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Matt Fredette and Luke Mewburn.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#if HAVE_NBTOOL_CONFIG_H
33#include "nbtool_config.h"
34#endif
35
36#include <sys/cdefs.h>
37#if !defined(__lint)
38__RCSID("$NetBSD: fstypes.c,v 1.14 2024/05/19 15:48:57 tsutsui Exp $");
39#endif	/* !__lint */
40
41#include <sys/types.h>
42
43#include <assert.h>
44#include <err.h>
45#include <stdio.h>
46
47#include "installboot.h"
48
49struct ib_fs fstypes[] = {
50#ifndef NO_STAGE2
51	{
52		.name = "ffs",
53		.match = ffs_match,
54		.findstage2 = ffs_findstage2
55	},
56	{
57		.name = "raid",
58		.match = raid_match,
59		.findstage2 = ffs_findstage2
60	},
61#ifdef SUPPORT_CD9660
62	{
63		.name = "cd9660",
64		.match = cd9660_match,
65		.findstage2 = cd9660_findstage2
66	},
67#endif
68	/* raw_match() always matches, so raw should be at the end. */
69	{
70		.name = "raw",
71		.match = raw_match,
72		.findstage2 = raw_findstage2
73	},
74#endif
75	{
76		.name = NULL
77	}
78};
79
80#ifndef NO_STAGE2
81int
82hardcode_stage2(ib_params *params, uint32_t *maxblk, ib_block *blocks)
83{
84	struct stat	s2sb;
85	uint32_t	nblk, i;
86
87	assert(params != NULL);
88	assert(params->stage2 != NULL);
89	assert(maxblk != NULL);
90	assert(blocks != NULL);
91	assert((params->flags & IB_STAGE2START) != 0);
92	assert(params->fstype != NULL);
93	assert(params->fstype->blocksize != 0);
94
95	if (stat(params->stage2, &s2sb) == -1) {
96		warn("Examining `%s'", params->stage2);
97		return (0);
98	}
99	if (!S_ISREG(s2sb.st_mode)) {
100		warnx("`%s' must be a regular file", params->stage2);
101		return (0);
102	}
103
104	nblk = s2sb.st_size / params->fstype->blocksize;
105	if (s2sb.st_size % params->fstype->blocksize != 0)
106		nblk++;
107#if 0
108	fprintf(stderr, "for %s got size %lld blksize %u blocks %u\n",
109	    params->stage2, s2sb.st_size, params->fstype->blocksize, nblk);
110#endif
111	if (nblk > *maxblk) {
112                warnx("Secondary bootstrap `%s' has too many blocks "
113                    "(calculated %u, maximum %u)",
114		    params->stage2, nblk, *maxblk);
115                return (0);
116        }
117
118	for (i = 0; i < nblk; i++) {
119		blocks[i].block = params->s2start +
120		    i * (params->fstype->blocksize / params->sectorsize);
121		blocks[i].blocksize = params->fstype->blocksize;
122	}
123	*maxblk = nblk;
124
125	return (1);
126}
127
128
129int
130raw_match(ib_params *params)
131{
132
133	assert(params != NULL);
134	assert(params->fstype != NULL);
135
136	params->fstype->blocksize = 8192;		// XXX: hardcode
137	return (1);		/* can always write to a "raw" file system */
138}
139
140int
141raw_findstage2(ib_params *params, uint32_t *maxblk, ib_block *blocks)
142{
143
144	assert(params != NULL);
145	assert(params->stage2 != NULL);
146	assert(maxblk != NULL);
147	assert(blocks != NULL);
148
149	if ((params->flags & IB_STAGE2START) == 0) {
150		warnx("Need `-B bno' for raw file systems");
151		return (0);
152	}
153	return (hardcode_stage2(params, maxblk, blocks));
154}
155#endif
156