diff --git a/usr.bin/mkimg/gpt.c b/usr.bin/mkimg/gpt.c index ed3f008c394f..5fae98e0d4ef 100644 --- a/usr.bin/mkimg/gpt.c +++ b/usr.bin/mkimg/gpt.c @@ -1,296 +1,297 @@ /*- * 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 #include #include #include #include #include #include #include #include "endian.h" #include "image.h" #include "mkimg.h" #include "scheme.h" static mkimg_uuid_t gpt_uuid_efi = GPT_ENT_TYPE_EFI; static mkimg_uuid_t gpt_uuid_freebsd = GPT_ENT_TYPE_FREEBSD; static mkimg_uuid_t gpt_uuid_freebsd_boot = GPT_ENT_TYPE_FREEBSD_BOOT; static mkimg_uuid_t gpt_uuid_freebsd_nandfs = GPT_ENT_TYPE_FREEBSD_NANDFS; static mkimg_uuid_t gpt_uuid_freebsd_swap = GPT_ENT_TYPE_FREEBSD_SWAP; static mkimg_uuid_t gpt_uuid_freebsd_ufs = GPT_ENT_TYPE_FREEBSD_UFS; static mkimg_uuid_t gpt_uuid_freebsd_vinum = GPT_ENT_TYPE_FREEBSD_VINUM; static mkimg_uuid_t gpt_uuid_freebsd_zfs = GPT_ENT_TYPE_FREEBSD_ZFS; static mkimg_uuid_t gpt_uuid_mbr = GPT_ENT_TYPE_MBR; static mkimg_uuid_t gpt_uuid_ms_basic_data = GPT_ENT_TYPE_MS_BASIC_DATA; static mkimg_uuid_t gpt_uuid_prep_boot = GPT_ENT_TYPE_PREP_BOOT; static struct mkimg_alias gpt_aliases[] = { { ALIAS_EFI, ALIAS_PTR2TYPE(&gpt_uuid_efi) }, { ALIAS_FREEBSD, ALIAS_PTR2TYPE(&gpt_uuid_freebsd) }, { ALIAS_FREEBSD_BOOT, ALIAS_PTR2TYPE(&gpt_uuid_freebsd_boot) }, { ALIAS_FREEBSD_NANDFS, ALIAS_PTR2TYPE(&gpt_uuid_freebsd_nandfs) }, { ALIAS_FREEBSD_SWAP, ALIAS_PTR2TYPE(&gpt_uuid_freebsd_swap) }, { ALIAS_FREEBSD_UFS, ALIAS_PTR2TYPE(&gpt_uuid_freebsd_ufs) }, { ALIAS_FREEBSD_VINUM, ALIAS_PTR2TYPE(&gpt_uuid_freebsd_vinum) }, { ALIAS_FREEBSD_ZFS, ALIAS_PTR2TYPE(&gpt_uuid_freebsd_zfs) }, { ALIAS_MBR, ALIAS_PTR2TYPE(&gpt_uuid_mbr) }, + { ALIAS_MS_BASIC_DATA, ALIAS_PTR2TYPE(&gpt_uuid_ms_basic_data) }, { ALIAS_NTFS, ALIAS_PTR2TYPE(&gpt_uuid_ms_basic_data) }, { ALIAS_PPCBOOT, ALIAS_PTR2TYPE(&gpt_uuid_prep_boot) }, { ALIAS_NONE, 0 } /* Keep last! */ }; /* CRC32 code derived from work by Gary S. Brown. */ static const uint32_t crc32_tab[] = { 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f, 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, 0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9, 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d }; static uint32_t crc32(const void *buf, size_t sz) { const uint8_t *p = (const uint8_t *)buf; uint32_t crc = ~0U; while (sz--) crc = crc32_tab[(crc ^ *p++) & 0xff] ^ (crc >> 8); return (crc ^ ~0U); } /* * Return the number of sectors needed to store the partition table. */ static u_int gpt_tblsz(void) { u_int eps; /* Entries per Sector */ /* * Count the number of sectors needed for the GPT Entry Array to store * the number of partitions defined for this image. Enforce the 16kB * minimum space for the GPT Entry Array per UEFI v2.10 Section 5.3. */ eps = secsz / sizeof(struct gpt_ent); return (MAX(howmany(GPT_MIN_RESERVED, secsz), howmany(nparts, eps))); } static lba_t gpt_metadata(u_int where, lba_t blk) { if (where == SCHEME_META_IMG_START || where == SCHEME_META_IMG_END) { blk += gpt_tblsz(); blk += (where == SCHEME_META_IMG_START) ? 2 : 1; } return (round_block(blk)); } static int gpt_write_pmbr(lba_t blks, void *bootcode) { u_char *pmbr; uint32_t secs; int error; secs = (blks > UINT32_MAX) ? UINT32_MAX : (uint32_t)blks - 1; pmbr = malloc(secsz); if (pmbr == NULL) return (errno); if (bootcode != NULL) { memcpy(pmbr, bootcode, DOSPARTOFF); memset(pmbr + DOSPARTOFF, 0, secsz - DOSPARTOFF); } else memset(pmbr, 0, secsz); pmbr[DOSPARTOFF + 2] = 2; pmbr[DOSPARTOFF + 4] = 0xee; pmbr[DOSPARTOFF + 5] = 0xff; pmbr[DOSPARTOFF + 6] = 0xff; pmbr[DOSPARTOFF + 7] = 0xff; le32enc(pmbr + DOSPARTOFF + 8, 1); le32enc(pmbr + DOSPARTOFF + 12, secs); le16enc(pmbr + DOSMAGICOFFSET, DOSMAGIC); error = image_write(0, pmbr, 1); free(pmbr); return (error); } static struct gpt_ent * gpt_mktbl(u_int tblsz) { mkimg_uuid_t uuid; struct gpt_ent *tbl, *ent; struct part *part; int c, idx; tbl = calloc(tblsz, secsz); if (tbl == NULL) return (NULL); TAILQ_FOREACH(part, &partlist, link) { ent = tbl + part->index; mkimg_uuid_enc(&ent->ent_type, ALIAS_TYPE2PTR(part->type)); mkimg_uuid(&uuid); mkimg_uuid_enc(&ent->ent_uuid, &uuid); le64enc(&ent->ent_lba_start, part->block); le64enc(&ent->ent_lba_end, part->block + part->size - 1); if (part->label != NULL) { idx = 0; while ((c = part->label[idx]) != '\0') { le16enc(ent->ent_name + idx, c); idx++; } } } return (tbl); } static int gpt_write_hdr(struct gpt_hdr *hdr, uint64_t self, uint64_t alt, uint64_t tbl) { uint32_t crc; le64enc(&hdr->hdr_lba_self, self); le64enc(&hdr->hdr_lba_alt, alt); le64enc(&hdr->hdr_lba_table, tbl); hdr->hdr_crc_self = 0; crc = crc32(hdr, offsetof(struct gpt_hdr, padding)); le64enc(&hdr->hdr_crc_self, crc); return (image_write(self, hdr, 1)); } static int gpt_write(lba_t imgsz, void *bootcode) { mkimg_uuid_t uuid; struct gpt_ent *tbl; struct gpt_hdr *hdr; uint32_t crc; u_int tblsz; int error; /* PMBR */ error = gpt_write_pmbr(imgsz, bootcode); if (error) return (error); /* GPT table(s) */ tblsz = gpt_tblsz(); tbl = gpt_mktbl(tblsz); if (tbl == NULL) return (errno); error = image_write(2, tbl, tblsz); if (error) goto out; error = image_write(imgsz - (tblsz + 1), tbl, tblsz); if (error) goto out; /* GPT header(s) */ hdr = malloc(secsz); if (hdr == NULL) { error = errno; goto out; } memset(hdr, 0, secsz); memcpy(hdr->hdr_sig, GPT_HDR_SIG, sizeof(hdr->hdr_sig)); le32enc(&hdr->hdr_revision, GPT_HDR_REVISION); le32enc(&hdr->hdr_size, offsetof(struct gpt_hdr, padding)); le64enc(&hdr->hdr_lba_start, 2 + tblsz); le64enc(&hdr->hdr_lba_end, imgsz - tblsz - 2); mkimg_uuid(&uuid); mkimg_uuid_enc(&hdr->hdr_uuid, &uuid); le32enc(&hdr->hdr_entries, tblsz * secsz / sizeof(struct gpt_ent)); le32enc(&hdr->hdr_entsz, sizeof(struct gpt_ent)); crc = crc32(tbl, tblsz * secsz); le32enc(&hdr->hdr_crc_table, crc); error = gpt_write_hdr(hdr, 1, imgsz - 1, 2); if (!error) error = gpt_write_hdr(hdr, imgsz - 1, 1, imgsz - tblsz - 1); free(hdr); out: free(tbl); return (error); } static struct mkimg_scheme gpt_scheme = { .name = "gpt", .description = "GUID Partition Table", .aliases = gpt_aliases, .metadata = gpt_metadata, .write = gpt_write, .nparts = 4096, .labellen = 36, .bootcode = 512, .maxsecsz = 4096 }; SCHEME_DEFINE(gpt_scheme); diff --git a/usr.bin/mkimg/scheme.c b/usr.bin/mkimg/scheme.c index 85ed94013e8d..0af86f6d9111 100644 --- a/usr.bin/mkimg/scheme.c +++ b/usr.bin/mkimg/scheme.c @@ -1,199 +1,200 @@ /*- * Copyright (c) 2013,2014 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 #include #include #include #include #include #include #include #include "image.h" #include "mkimg.h" #include "scheme.h" static struct { const char *name; enum alias alias; } scheme_alias[] = { { "ebr", ALIAS_EBR }, { "efi", ALIAS_EFI }, { "fat16b", ALIAS_FAT16B }, { "fat32", ALIAS_FAT32 }, { "fat32lba", ALIAS_FAT32LBA }, { "freebsd", ALIAS_FREEBSD }, { "freebsd-boot", ALIAS_FREEBSD_BOOT }, { "freebsd-nandfs", ALIAS_FREEBSD_NANDFS }, { "freebsd-swap", ALIAS_FREEBSD_SWAP }, { "freebsd-ufs", ALIAS_FREEBSD_UFS }, { "freebsd-vinum", ALIAS_FREEBSD_VINUM }, { "freebsd-zfs", ALIAS_FREEBSD_ZFS }, { "mbr", ALIAS_MBR }, + { "ms-basic-data", ALIAS_MS_BASIC_DATA }, { "ntfs", ALIAS_NTFS }, { "prepboot", ALIAS_PPCBOOT }, { NULL, ALIAS_NONE } /* Keep last! */ }; static struct mkimg_scheme *first; static struct mkimg_scheme *scheme; static void *bootcode; static enum alias scheme_parse_alias(const char *name) { u_int idx; idx = 0; while (scheme_alias[idx].name != NULL) { if (strcasecmp(scheme_alias[idx].name, name) == 0) return (scheme_alias[idx].alias); idx++; } return (ALIAS_NONE); } struct mkimg_scheme * scheme_iterate(struct mkimg_scheme *s) { return ((s == NULL) ? first : s->next); } void scheme_register(struct mkimg_scheme *s) { s->next = first; first = s; } int scheme_select(const char *spec) { struct mkimg_scheme *s; s = NULL; while ((s = scheme_iterate(s)) != NULL) { if (strcasecmp(spec, s->name) == 0) { scheme = s; return (0); } } return (EINVAL); } struct mkimg_scheme * scheme_selected(void) { return (scheme); } int scheme_bootcode(int fd) { struct stat sb; if (scheme == NULL || scheme->bootcode == 0) return (ENXIO); if (fstat(fd, &sb) == -1) return (errno); if (sb.st_size > scheme->bootcode) return (EFBIG); bootcode = malloc(scheme->bootcode); if (bootcode == NULL) return (ENOMEM); memset(bootcode, 0, scheme->bootcode); if (read(fd, bootcode, sb.st_size) != sb.st_size) { free(bootcode); bootcode = NULL; return (errno); } return (0); } int scheme_check_part(struct part *p) { struct mkimg_alias *iter; enum alias alias; assert(scheme != NULL); /* Check the partition type alias */ alias = scheme_parse_alias(p->alias); if (alias == ALIAS_NONE) return (EINVAL); iter = scheme->aliases; while (iter->alias != ALIAS_NONE) { if (alias == iter->alias) break; iter++; } if (iter->alias == ALIAS_NONE) return (EINVAL); p->type = iter->type; /* Validate the optional label. */ if (p->label != NULL) { if (strlen(p->label) > scheme->labellen) return (EINVAL); } return (0); } u_int scheme_max_parts(void) { return ((scheme == NULL) ? 0 : scheme->nparts); } u_int scheme_max_secsz(void) { return ((scheme == NULL) ? INT_MAX+1U : scheme->maxsecsz); } lba_t scheme_metadata(u_int where, lba_t start) { return ((scheme == NULL) ? start : scheme->metadata(where, start)); } int scheme_write(lba_t end) { return ((scheme == NULL) ? 0 : scheme->write(end, bootcode)); } diff --git a/usr.bin/mkimg/scheme.h b/usr.bin/mkimg/scheme.h index 52614255595f..693f04983624 100644 --- a/usr.bin/mkimg/scheme.h +++ b/usr.bin/mkimg/scheme.h @@ -1,95 +1,96 @@ /*- * Copyright (c) 2013,2014 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. */ #ifndef _MKIMG_SCHEME_H_ #define _MKIMG_SCHEME_H_ enum alias { ALIAS_NONE, /* Keep first! */ /* start */ ALIAS_EBR, ALIAS_EFI, ALIAS_FAT16B, ALIAS_FAT32, ALIAS_FAT32LBA, ALIAS_FREEBSD, ALIAS_FREEBSD_BOOT, ALIAS_FREEBSD_NANDFS, ALIAS_FREEBSD_SWAP, ALIAS_FREEBSD_UFS, ALIAS_FREEBSD_VINUM, ALIAS_FREEBSD_ZFS, ALIAS_MBR, + ALIAS_MS_BASIC_DATA, ALIAS_NTFS, ALIAS_PPCBOOT, /* end */ ALIAS_COUNT /* Keep last! */ }; struct mkimg_alias { u_int alias; uintptr_t type; #define ALIAS_PTR2TYPE(p) (uintptr_t)(p) #define ALIAS_INT2TYPE(i) (i) #define ALIAS_TYPE2PTR(p) (void *)(p) #define ALIAS_TYPE2INT(i) (i) }; struct mkimg_scheme { struct mkimg_scheme *next; const char *name; const char *description; struct mkimg_alias *aliases; lba_t (*metadata)(u_int, lba_t); #define SCHEME_META_IMG_START 1 #define SCHEME_META_IMG_END 2 #define SCHEME_META_PART_BEFORE 3 #define SCHEME_META_PART_AFTER 4 #define SCHEME_META_PART_ABSOLUTE 5 int (*write)(lba_t, void *); u_int nparts; u_int labellen; u_int bootcode; u_int maxsecsz; }; #define SCHEME_DEFINE(nm) \ static void scheme_register_##nm(void) __attribute__((constructor)); \ static void scheme_register_##nm(void) { scheme_register(&nm); } struct mkimg_scheme *scheme_iterate(struct mkimg_scheme *); void scheme_register(struct mkimg_scheme *); int scheme_select(const char *); struct mkimg_scheme *scheme_selected(void); int scheme_bootcode(int fd); int scheme_check_part(struct part *); u_int scheme_max_parts(void); u_int scheme_max_secsz(void); lba_t scheme_metadata(u_int, lba_t); int scheme_write(lba_t); #endif /* _MKIMG_SCHEME_H_ */