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
49 struct 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
81 int
hardcode_stage2(ib_params * params,uint32_t * maxblk,ib_block * blocks)82 hardcode_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
129 int
raw_match(ib_params * params)130 raw_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
140 int
raw_findstage2(ib_params * params,uint32_t * maxblk,ib_block * blocks)141 raw_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