2 * Copyright (c) 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>
32 #include <sys/endian.h>
33 #include <sys/errno.h>
42 #ifndef APM_ENT_TYPE_APPLE_BOOT
43 #define APM_ENT_TYPE_APPLE_BOOT "Apple_Bootstrap"
45 #ifndef APM_ENT_TYPE_FREEBSD_NANDFS
46 #define APM_ENT_TYPE_FREEBSD_NANDFS "FreeBSD-nandfs"
49 static struct mkimg_alias apm_aliases[] = {
50 { ALIAS_FREEBSD, ALIAS_PTR2TYPE(APM_ENT_TYPE_FREEBSD) },
51 { ALIAS_FREEBSD_BOOT, ALIAS_PTR2TYPE(APM_ENT_TYPE_APPLE_BOOT) },
52 { ALIAS_FREEBSD_NANDFS, ALIAS_PTR2TYPE(APM_ENT_TYPE_FREEBSD_NANDFS) },
53 { ALIAS_FREEBSD_SWAP, ALIAS_PTR2TYPE(APM_ENT_TYPE_FREEBSD_SWAP) },
54 { ALIAS_FREEBSD_UFS, ALIAS_PTR2TYPE(APM_ENT_TYPE_FREEBSD_UFS) },
55 { ALIAS_FREEBSD_VINUM, ALIAS_PTR2TYPE(APM_ENT_TYPE_FREEBSD_VINUM) },
56 { ALIAS_FREEBSD_ZFS, ALIAS_PTR2TYPE(APM_ENT_TYPE_FREEBSD_ZFS) },
61 apm_metadata(u_int where, lba_t blk)
64 blk += (where == SCHEME_META_IMG_START) ? nparts + 2 : 0;
65 return (round_block(blk));
69 apm_write(lba_t imgsz, void *bootcode __unused)
77 buf = calloc(nparts + 2, secsz);
81 be16enc(&ddr->ddr_sig, APM_DDR_SIG);
82 be16enc(&ddr->ddr_blksize, secsz);
83 be32enc(&ddr->ddr_blkcount, imgsz);
85 /* partition entry for the partition table itself. */
86 ent = (void *)(buf + secsz);
87 be16enc(&ent->ent_sig, APM_ENT_SIG);
88 be32enc(&ent->ent_pmblkcnt, nparts + 1);
89 be32enc(&ent->ent_start, 1);
90 be32enc(&ent->ent_size, nparts + 1);
91 strncpy(ent->ent_type, APM_ENT_TYPE_SELF, sizeof(ent->ent_type));
92 strncpy(ent->ent_name, "Apple", sizeof(ent->ent_name));
94 STAILQ_FOREACH(part, &partlist, link) {
95 ent = (void *)(buf + (part->index + 2) * secsz);
96 be16enc(&ent->ent_sig, APM_ENT_SIG);
97 be32enc(&ent->ent_pmblkcnt, nparts + 1);
98 be32enc(&ent->ent_start, part->block);
99 be32enc(&ent->ent_size, part->size);
100 strncpy(ent->ent_type, ALIAS_TYPE2PTR(part->type),
101 sizeof(ent->ent_type));
102 if (part->label != NULL)
103 strncpy(ent->ent_name, part->label,
104 sizeof(ent->ent_name));
107 error = image_write(0, buf, nparts + 2);
112 static struct mkimg_scheme apm_scheme = {
114 .description = "Apple Partition Map",
115 .aliases = apm_aliases,
116 .metadata = apm_metadata,
119 .labellen = APM_ENT_NAMELEN - 1,
123 SCHEME_DEFINE(apm_scheme);