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- /*-
- * Copyright (c) 2014 Juniper Networks, Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
- #include <sys/cdefs.h>
- #include <sys/errno.h>
- #include <stdint.h>
- #include <stdlib.h>
- #include <string.h>
- #include <apm.h>
- #include "endian.h"
- #include "image.h"
- #include "mkimg.h"
- #include "scheme.h"
- static struct mkimg_alias apm_aliases[] = {
- { ALIAS_FREEBSD, ALIAS_PTR2TYPE(APM_ENT_TYPE_FREEBSD) },
- { ALIAS_FREEBSD_BOOT, ALIAS_PTR2TYPE(APM_ENT_TYPE_APPLE_BOOT) },
- { ALIAS_FREEBSD_NANDFS, ALIAS_PTR2TYPE(APM_ENT_TYPE_FREEBSD_NANDFS) },
- { ALIAS_FREEBSD_SWAP, ALIAS_PTR2TYPE(APM_ENT_TYPE_FREEBSD_SWAP) },
- { ALIAS_FREEBSD_UFS, ALIAS_PTR2TYPE(APM_ENT_TYPE_FREEBSD_UFS) },
- { ALIAS_FREEBSD_VINUM, ALIAS_PTR2TYPE(APM_ENT_TYPE_FREEBSD_VINUM) },
- { ALIAS_FREEBSD_ZFS, ALIAS_PTR2TYPE(APM_ENT_TYPE_FREEBSD_ZFS) },
- { ALIAS_NONE, 0 }
- };
- static lba_t
- apm_metadata(u_int where, lba_t blk)
- {
- blk += (where == SCHEME_META_IMG_START) ? nparts + 2 : 0;
- return (round_block(blk));
- }
- static int
- apm_write(lba_t imgsz, void *bootcode __unused)
- {
- u_char *buf;
- struct apm_ddr *ddr;
- struct apm_ent *ent;
- struct part *part;
- int error;
- buf = calloc(nparts + 2, secsz);
- if (buf == NULL)
- return (ENOMEM);
- ddr = (void *)buf;
- be16enc(&ddr->ddr_sig, APM_DDR_SIG);
- be16enc(&ddr->ddr_blksize, secsz);
- be32enc(&ddr->ddr_blkcount, imgsz);
- /* partition entry for the partition table itself. */
- ent = (void *)(buf + secsz);
- be16enc(&ent->ent_sig, APM_ENT_SIG);
- be32enc(&ent->ent_pmblkcnt, nparts + 1);
- be32enc(&ent->ent_start, 1);
- be32enc(&ent->ent_size, nparts + 1);
- strncpy(ent->ent_type, APM_ENT_TYPE_SELF, sizeof(ent->ent_type));
- strncpy(ent->ent_name, "Apple", sizeof(ent->ent_name));
- TAILQ_FOREACH(part, &partlist, link) {
- ent = (void *)(buf + (part->index + 2) * secsz);
- be16enc(&ent->ent_sig, APM_ENT_SIG);
- be32enc(&ent->ent_pmblkcnt, nparts + 1);
- be32enc(&ent->ent_start, part->block);
- be32enc(&ent->ent_size, part->size);
- strncpy(ent->ent_type, ALIAS_TYPE2PTR(part->type),
- sizeof(ent->ent_type));
- if (part->label != NULL)
- strncpy(ent->ent_name, part->label,
- sizeof(ent->ent_name));
- }
- error = image_write(0, buf, nparts + 2);
- free(buf);
- return (error);
- }
- static struct mkimg_scheme apm_scheme = {
- .name = "apm",
- .description = "Apple Partition Map",
- .aliases = apm_aliases,
- .metadata = apm_metadata,
- .write = apm_write,
- .nparts = 4096,
- .labellen = APM_ENT_NAMELEN - 1,
- .maxsecsz = 4096
- };
- SCHEME_DEFINE(apm_scheme);
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