2 * Copyright (c) 2013,2014 Juniper Networks, Inc.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/types.h>
31 #include <sys/linker_set.h>
32 #include <sys/queue.h>
53 { "fat32", ALIAS_FAT32 },
54 { "freebsd", ALIAS_FREEBSD },
55 { "freebsd-boot", ALIAS_FREEBSD_BOOT },
56 { "freebsd-nandfs", ALIAS_FREEBSD_NANDFS },
57 { "freebsd-swap", ALIAS_FREEBSD_SWAP },
58 { "freebsd-ufs", ALIAS_FREEBSD_UFS },
59 { "freebsd-vinum", ALIAS_FREEBSD_VINUM },
60 { "freebsd-zfs", ALIAS_FREEBSD_ZFS },
62 { NULL, ALIAS_NONE } /* Keep last! */
65 static struct mkimg_scheme *scheme;
66 static void *bootcode;
69 scheme_parse_alias(const char *name)
74 while (scheme_alias[idx].name != NULL) {
75 if (strcasecmp(scheme_alias[idx].name, name) == 0)
76 return (scheme_alias[idx].alias);
83 scheme_select(const char *spec)
85 struct mkimg_scheme *s, **iter;
87 SET_FOREACH(iter, schemes) {
89 if (strcasecmp(spec, s->name) == 0) {
105 scheme_bootcode(int fd)
109 if (scheme == NULL || scheme->bootcode == 0)
112 if (fstat(fd, &sb) == -1)
114 if (sb.st_size > scheme->bootcode)
117 bootcode = malloc(scheme->bootcode);
118 if (bootcode == NULL)
120 memset(bootcode, 0, scheme->bootcode);
121 if (read(fd, bootcode, sb.st_size) != sb.st_size) {
130 scheme_check_part(struct part *p)
132 struct mkimg_alias *iter;
135 assert(scheme != NULL);
137 /* Check the partition type alias */
138 alias = scheme_parse_alias(p->alias);
139 if (alias == ALIAS_NONE)
142 iter = scheme->aliases;
143 while (iter->alias != ALIAS_NONE) {
144 if (alias == iter->alias)
148 if (iter->alias == ALIAS_NONE)
150 p->type = iter->type;
152 /* Validate the optional label. */
153 if (p->label != NULL) {
154 if (strlen(p->label) > scheme->labellen)
162 scheme_max_parts(void)
165 return ((scheme == NULL) ? 0 : scheme->nparts);
169 scheme_max_secsz(void)
172 return ((scheme == NULL) ? INT_MAX+1U : scheme->maxsecsz);
176 scheme_metadata(u_int where, lba_t start)
179 return ((scheme == NULL) ? start : scheme->metadata(where, start));
183 scheme_write(lba_t end)
186 return ((scheme == NULL) ? 0 : scheme->write(end, bootcode));