2 * Copyright (c) 2017-2018 Netflix, Inc.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer
9 * in this position and unchanged.
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 ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 #include <sys/cdefs.h>
28 #include <sys/param.h>
48 #include <geom/geom.h>
49 #include <geom/geom_ctl.h>
50 #include <geom/geom_int.h>
55 #include <efivar-dp.h>
57 #ifndef LOAD_OPTION_ACTIVE
58 #define LOAD_OPTION_ACTIVE 0x00000001
61 #ifndef LOAD_OPTION_CATEGORY_BOOT
62 #define LOAD_OPTION_CATEGORY_BOOT 0x00000000
65 #define BAD_LENGTH ((size_t)-1)
67 #define EFI_OS_INDICATIONS_BOOT_TO_FW_UI 0x0000000000000001
69 typedef struct _bmgr_opts {
101 static struct option lopts[] = {
102 {"activate", no_argument, NULL, 'a'},
103 {"bootnext", no_argument, NULL, 'n'}, /* set bootnext */
104 {"bootnum", required_argument, NULL, 'b'},
105 {"bootorder", required_argument, NULL, 'o'}, /* set order */
106 {"copy", required_argument, NULL, 'C'}, /* Copy boot method */
107 {"create", no_argument, NULL, 'c'},
108 {"deactivate", no_argument, NULL, 'A'},
109 {"del-timeout", no_argument, NULL, 'T'},
110 {"delete", no_argument, NULL, 'B'},
111 {"delete-bootnext", no_argument, NULL, 'N'},
112 {"device-path", no_argument, NULL, 'd'},
113 {"dry-run", no_argument, NULL, 'D'},
114 {"env", required_argument, NULL, 'e'},
115 {"esp", no_argument, NULL, 'E'},
116 {"efidev", required_argument, NULL, 'u'},
117 {"fw-ui", no_argument, NULL, 'f'},
118 {"no-fw-ui", no_argument, NULL, 'F'},
119 {"help", no_argument, NULL, 'h'},
120 {"kernel", required_argument, NULL, 'k'},
121 {"label", required_argument, NULL, 'L'},
122 {"loader", required_argument, NULL, 'l'},
123 {"once", no_argument, NULL, 'O'},
124 {"set-timeout", required_argument, NULL, 't'},
125 {"unix-path", no_argument, NULL, 'p'},
126 {"verbose", no_argument, NULL, 'v'},
130 /* global efibootmgr opts */
131 static bmgr_opts_t opts;
133 static LIST_HEAD(efivars_head, entry) efivars =
134 LIST_HEAD_INITIALIZER(efivars);
147 LIST_ENTRY(entry) entries;
150 #define MAX_DP_LEN 4096
151 #define MAX_LOADOPT_LEN 8192
155 mangle_loader(char *loader)
159 for (c = loader; *c; c++)
167 #define COMMON_ATTRS EFI_VARIABLE_NON_VOLATILE | \
168 EFI_VARIABLE_BOOTSERVICE_ACCESS | \
169 EFI_VARIABLE_RUNTIME_ACCESS
172 * We use global guid, and common var attrs and
173 * find it better to just delete and re-create a var.
176 set_bootvar(const char *name, uint8_t *data, size_t size)
179 return efi_set_variable(EFI_GLOBAL_GUID, name, data, size,
185 " [-aAnB -b bootnum] [-N] [-t timeout] [-T] [-o bootorder] [-O] [--verbose] [--help]\n\
186 [-c -l loader [-k kernel] [-L label] [--dry-run] [-b bootnum]]"
188 #define CREATE_USAGE \
189 " efibootmgr -c -l loader [-k kernel] [-L label] [--dry-run] [-b bootnum] [-a]"
190 #define ORDER_USAGE \
191 " efibootmgr -o bootvarnum1,bootvarnum2,..."
192 #define TIMEOUT_USAGE \
193 " efibootmgr -t seconds"
194 #define DELETE_USAGE \
195 " efibootmgr -B -b bootnum"
196 #define ACTIVE_USAGE \
197 " efibootmgr [-a | -A] -b bootnum"
198 #define BOOTNEXT_USAGE \
199 " efibootmgr [-n | -N] -b bootnum"
202 parse_args(int argc, char *argv[])
206 while ((ch = getopt_long(argc, argv, "AaBb:C:cdDe:EFfhk:L:l:NnOo:pTt:v",
207 lopts, NULL)) != -1) {
210 opts.set_inactive = true;
213 opts.set_active = true;
216 opts.has_bootnum = true;
217 opts.bootnum = strtoul(optarg, NULL, 16);
224 opts.cp_src = strtoul(optarg, NULL, 16);
228 case 'D': /* should be remove dups XXX */
232 opts.device_path = true;
236 opts.env = strdup(optarg);
239 opts.esp_device = true;
242 opts.no_fw_ui = true;
249 errx(1, "%s", USAGE);
253 opts.kernel = strdup(optarg);
257 opts.label = strdup(optarg);
261 opts.loader = strdup(optarg);
262 opts.loader = mangle_loader(opts.loader);
265 opts.delete_bootnext = true;
268 opts.set_bootnext = true;
275 opts.order = strdup(optarg);
278 opts.unix_path = true;
281 opts.del_timeout = true;
284 opts.set_timeout = true;
285 opts.timeout = strtoul(optarg, NULL, 10);
288 opts.find_dev = true;
289 opts.dev = strdup(optarg);
298 errx(1, "%s",CREATE_USAGE);
302 if (opts.order != NULL && *opts.order == '\0')
303 errx(1, "%s", ORDER_USAGE);
305 if ((opts.set_inactive || opts.set_active) && !opts.has_bootnum)
306 errx(1, "%s", ACTIVE_USAGE);
308 if (opts.delete && !opts.has_bootnum)
309 errx(1, "%s", DELETE_USAGE);
311 if (opts.set_bootnext && !opts.has_bootnum)
312 errx(1, "%s", BOOTNEXT_USAGE);
321 char *next_name = NULL;
327 while ((ret = efi_get_next_variable_name(&guid, &next_name)) > 0) {
329 * Only pay attention to EFI:BootXXXX variables to get the list.
331 if (efi_guid_cmp(guid, &EFI_GLOBAL_GUID) != 0 ||
332 strlen(next_name) != 8 ||
333 strncmp(next_name, "Boot", 4) != 0 ||
334 !isxdigit(next_name[4]) ||
335 !isxdigit(next_name[5]) ||
336 !isxdigit(next_name[6]) ||
337 !isxdigit(next_name[7]))
339 nent = malloc(sizeof(struct entry));
340 nent->name = strdup(next_name);
342 ret = efi_get_variable(*guid, next_name, &nent->data,
343 &nent->size, &nent->attrs);
345 err(1, "efi_get_variable");
347 nent->idx = strtoul(&next_name[4], NULL, 16);
348 LIST_INSERT_HEAD(&efivars, nent, entries);
354 set_boot_order(char *order)
368 size = sizeof(uint16_t) * cnt;
369 new_data = malloc(size);
373 while ((next = strsep(&cp, ",")) != NULL) {
374 new_data[i] = strtoul(next, NULL, 16);
375 if (new_data[i] == 0 && errno == EINVAL) {
376 warnx("can't parse %s as a numb", next);
377 errx(1, "%s", ORDER_USAGE);
382 if (set_bootvar("BootOrder", (uint8_t*)new_data, size) < 0)
383 err(1, "Unabke to set BootOrder to %s", order);
388 handle_activity(int bootnum, bool active)
390 uint32_t attrs, load_attrs;
395 asprintf(&name, "%s%04X", "Boot", bootnum);
398 if (efi_get_variable(EFI_GLOBAL_GUID, name, &data, &size, &attrs) < 0)
399 err(1, "No such bootvar %s\n", name);
401 load_attrs = le32dec(data);
404 load_attrs |= LOAD_OPTION_ACTIVE;
406 load_attrs &= ~LOAD_OPTION_ACTIVE;
408 le32enc(data, load_attrs);
410 if (set_bootvar(name, data, size) < 0)
411 err(1, "handle activity efi_set_variable");
416 * add boot var to boot order.
417 * called by create boot var. There is no option
418 * to add one independent of create.
420 * Note: we currently don't support where it goes
421 * so it goes on the front, inactive.
422 * use -o 2,3,7 etc to affect order, -a to activate.
425 add_to_boot_order(char *bootvar)
432 val = strtoul(&bootvar[4], NULL, 16);
434 if (efi_get_variable(EFI_GLOBAL_GUID, "BootOrder", &data, &size, &attrs) < 0) {
435 if (errno == ENOENT) { /* create it and set this bootvar to active */
439 err(1, "efi_get_variable BootOrder");
443 * We have BootOrder with the current order
444 * so grow the array by one, add the value
445 * and write the new variable value.
447 size += sizeof(uint16_t);
453 if (size > sizeof(uint16_t))
454 memcpy(new + sizeof(uint16_t), data, size - sizeof(uint16_t));
456 if (set_bootvar("BootOrder", new, size) < 0)
457 err(1, "set_bootvar");
463 remove_from_order(uint16_t bootnum)
469 if (efi_get_variable(EFI_GLOBAL_GUID, "BootOrder", &data, &size, &attrs) < 0)
476 for (j = i = 0; i < size; i += sizeof(uint16_t)) {
477 if (le16dec(data + i) == bootnum)
479 memcpy(new + j, data + i, sizeof(uint16_t));
480 j += sizeof(uint16_t);
483 warnx("Boot variable %04x not in BootOrder", bootnum);
484 else if (set_bootvar("BootOrder", new, j) < 0)
485 err(1, "Unable to update BootOrder with new value");
491 delete_bootvar(int bootnum)
497 * Try to delete the boot variable and remocve it
498 * from the boot order. We always do both actions
499 * to make it easy to clean up from oopses.
501 if (bootnum < 0 || bootnum > 0xffff)
502 errx(1, "Bad boot variable %#x", bootnum);
503 asprintf(&name, "%s%04X", "Boot", bootnum);
506 printf("Removing boot variable '%s'\n", name);
507 if (efi_del_variable(EFI_GLOBAL_GUID, name) < 0) {
509 warn("cannot delete variable %s", name);
511 printf("Removing 0x%x from BootOrder\n", bootnum);
512 remove_from_order(bootnum);
523 if (efi_del_variable(EFI_GLOBAL_GUID, "BootNext") < 0)
524 err(1, "efi_del_variable");
528 handle_bootnext(uint16_t bootnum)
532 le16enc(&num, bootnum);
533 if (set_bootvar("BootNext", (uint8_t*)&bootnum, sizeof(uint16_t)) < 0)
534 err(1, "set_bootvar");
539 compare(const void *a, const void *b)
544 memcpy(&c, a, sizeof(uint16_t));
545 memcpy(&d, b, sizeof(uint16_t));
555 make_next_boot_var_name(void)
558 uint16_t *vals, next_free = 0;
563 LIST_FOREACH(v, &efivars, entries) {
567 vals = malloc(sizeof(uint16_t) * cnt);
572 LIST_FOREACH(v, &efivars, entries) {
575 qsort(vals, cnt, sizeof(uint16_t), compare);
576 /* if the hole is at the beginning, just return zero */
580 /* now just run the list looking for the first hole */
581 for (i = 0; i < cnt - 1 && next_free == 0; i++)
582 if (vals[i] + 1 != vals[i + 1])
583 next_free = vals[i] + 1;
585 next_free = vals[cnt - 1] + 1;
586 /* In theory we could have used all 65k slots -- what to do? */
590 asprintf(&name, "%s%04X", "Boot", next_free);
597 make_boot_var_name(uint16_t bootnum)
602 LIST_FOREACH(v, &efivars, entries) {
603 if (v->idx == bootnum)
607 asprintf(&name, "%s%04X", "Boot", bootnum);
614 create_loadopt(uint8_t *buf, size_t bufmax, uint32_t attributes, efidp dp, size_t dp_size,
615 const char *description, const uint8_t *optional_data, size_t optional_data_size)
617 efi_char *bbuf = NULL;
622 if (optional_data == NULL && optional_data_size != 0)
624 if (dp == NULL && dp_size != 0)
628 * Compute the length to make sure the passed in buffer is long enough.
630 utf8_to_ucs2(description, &bbuf, &desc_len);
631 len = sizeof(uint32_t) + sizeof(uint16_t) + desc_len + dp_size + optional_data_size;
637 le32enc(pos, attributes);
638 pos += sizeof (attributes);
640 le16enc(pos, dp_size);
641 pos += sizeof (uint16_t);
643 memcpy(pos, bbuf, desc_len); /* NB:desc_len includes strailing NUL */
647 memcpy(pos, dp, dp_size);
650 if (optional_data && optional_data_size > 0) {
651 memcpy(pos, optional_data, optional_data_size);
652 pos += optional_data_size;
660 make_boot_var(const char *label, const char *loader, const char *kernel, const char *env, bool dry_run,
661 int bootnum, bool activate)
663 struct entry *new_ent;
664 uint32_t load_attrs = 0;
665 uint8_t *load_opt_buf;
666 size_t lopt_size, llen, klen;
667 efidp dp, loaderdp, kerneldp;
668 char *bootvar = NULL;
671 assert(label != NULL);
674 bootvar = make_next_boot_var_name();
676 bootvar = make_boot_var_name((uint16_t)bootnum);
678 err(1, "bootvar creation");
680 errx(1, "Must specify boot loader");
681 ret = efivar_unix_path_to_device_path(loader, &loaderdp);
683 errc(1, ret, "Cannot translate unix loader path '%s' to UEFI",
685 if (kernel != NULL) {
686 ret = efivar_unix_path_to_device_path(kernel, &kerneldp);
689 "Cannot translate unix kernel path '%s' to UEFI",
694 llen = efidp_size(loaderdp);
695 if (llen > MAX_DP_LEN)
696 errx(1, "Loader path too long.");
697 klen = efidp_size(kerneldp);
698 if (klen > MAX_DP_LEN)
699 errx(1, "Kernel path too long.");
700 dp = malloc(llen + klen);
702 errx(1, "Can't allocate memory for new device paths");
703 memcpy(dp, loaderdp, llen);
704 if (kerneldp != NULL)
705 memcpy((char *)dp + llen, kerneldp, klen);
707 /* don't make the new bootvar active by default, use the -a option later */
708 load_attrs = LOAD_OPTION_CATEGORY_BOOT;
710 load_attrs |= LOAD_OPTION_ACTIVE;
711 load_opt_buf = malloc(MAX_LOADOPT_LEN);
712 if (load_opt_buf == NULL)
715 lopt_size = create_loadopt(load_opt_buf, MAX_LOADOPT_LEN, load_attrs,
716 dp, llen + klen, label, env, env ? strlen(env) + 1 : 0);
717 if (lopt_size == BAD_LENGTH)
718 errx(1, "Can't create loadopt");
722 ret = efi_set_variable(EFI_GLOBAL_GUID, bootvar,
723 (uint8_t*)load_opt_buf, lopt_size, COMMON_ATTRS);
727 err(1, "efi_set_variable");
730 add_to_boot_order(bootvar); /* first, still not active */
731 new_ent = malloc(sizeof(struct entry));
734 memset(new_ent, 0, sizeof(struct entry));
735 new_ent->name = bootvar;
736 new_ent->guid = EFI_GLOBAL_GUID;
737 LIST_INSERT_HEAD(&efivars, new_ent, entries);
746 print_loadopt_str(uint8_t *data, size_t datalen)
748 char *dev, *relpath, *abspath;
752 uint8_t *ep = data + datalen;
753 uint8_t *walker = data;
760 if (datalen < sizeof(attr) + sizeof(fplen) + sizeof(efi_char))
762 // First 4 bytes are attribute flags
763 attr = le32dec(walker);
764 walker += sizeof(attr);
765 // Next two bytes are length of the file paths
766 fplen = le16dec(walker);
767 walker += sizeof(fplen);
768 // Next we have a 0 terminated UCS2 string that we know to be aligned
769 descr = (efi_char *)(intptr_t)(void *)walker;
770 len = ucs2len(descr); // XXX need to sanity check that len < (datalen - (ep - walker) / 2)
771 walker += (len + 1) * sizeof(efi_char);
774 // Now we have fplen bytes worth of file path stuff
781 * Everything left is the binary option args
783 * optlen = ep - walker;
787 efidp_format_device_path(buf, sizeof(buf), dp,
788 (intptr_t)(void *)edp - (intptr_t)(void *)dp);
789 printf("%*s%s\n", indent, "", buf);
790 indent = 10 + len + 1;
791 rv = efivar_device_path_to_unix_path(dp, &dev, &relpath, &abspath);
793 printf("%*s%s:%s %s\n", indent + 4, "", dev, relpath, abspath);
798 dp = (efidp)((char *)dp + efidp_size(dp));
803 get_descr(uint8_t *data)
811 pos += sizeof(uint32_t) + sizeof(uint16_t);
812 desc = (efi_char*)(intptr_t)(void *)pos;
814 buf = malloc(len + 1);
815 memset(buf, 0, len + 1);
825 print_boot_var(const char *name, bool verbose, bool curboot)
833 ret = efi_get_variable(EFI_GLOBAL_GUID, name, &data, &size, NULL);
836 load_attrs = le32dec(data);
838 printf("%c%s%c %s", curboot ? '+' : ' ', name,
839 ((load_attrs & LOAD_OPTION_ACTIVE) ? '*': ' '), d);
842 print_loadopt_str(data, size);
850 os_indication_supported(uint64_t indication)
857 ret = efi_get_variable(EFI_GLOBAL_GUID, "OsIndicationsSupported", &data,
861 return (le64dec(data) & indication) == indication;
872 ret = efi_get_variable(EFI_GLOBAL_GUID, "OsIndications", &data, &size,
876 return le64dec(data);
880 os_indications_set(uint64_t mask, uint64_t val)
882 uint8_t new[sizeof(uint64_t)];
884 le64enc(&new, (os_indications() & ~mask) | (val & mask));
885 return set_bootvar("OsIndications", new, sizeof(new));
888 /* Cmd epilogue, or just the default with no args.
889 * The order is [bootnext] bootcurrent, timeout, order, and the bootvars [-v]
892 print_boot_vars(bool verbose)
895 * just read and print the current values
896 * as a command epilogue
903 uint16_t *boot_order = NULL, current;
906 if (os_indication_supported(EFI_OS_INDICATIONS_BOOT_TO_FW_UI)) {
908 (os_indications() & EFI_OS_INDICATIONS_BOOT_TO_FW_UI) != 0;
909 printf("Boot to FW : %s\n", boot_to_fw_ui != 0 ?
913 ret = efi_get_variable(EFI_GLOBAL_GUID, "BootNext", &data, &size, &attrs);
915 printf("BootNext : %04x\n", le16dec(data));
918 ret = efi_get_variable(EFI_GLOBAL_GUID, "BootCurrent", &data, &size,&attrs);
919 current = le16dec(data);
920 printf("BootCurrent: %04x\n", current);
922 ret = efi_get_variable(EFI_GLOBAL_GUID, "Timeout", &data, &size, &attrs);
924 printf("Timeout : %d seconds\n", le16dec(data));
927 if (efi_get_variable(EFI_GLOBAL_GUID, "BootOrder", &data, &size, &attrs) > 0) {
929 warn("Bad BootOrder variable: odd length %d", (int)size);
930 boot_order = malloc(size);
932 printf("BootOrder : ");
933 for (size_t i = 0; i < size; i += 2) {
934 boot_order[i / 2] = le16dec(data + i);
935 printf("%04X%s", boot_order[i / 2], i == size - 2 ? "\n" : ", ");
939 if (boot_order == NULL) {
941 * now we want to fetch 'em all fresh again
942 * which possibly includes a newly created bootvar
944 LIST_FOREACH(v, &efivars, entries) {
945 print_boot_var(v->name, verbose, v->idx == current);
948 LIST_FOREACH(v, &efivars, entries) {
951 for (int i = 0; i < bolen; i++) {
954 snprintf(buffer, sizeof(buffer), "Boot%04X", boot_order[i]);
955 if (!print_boot_var(buffer, verbose, boot_order[i] == current))
956 printf("%s: MISSING!\n", buffer);
957 LIST_FOREACH(v, &efivars, entries) {
958 if (v->idx == boot_order[i]) {
965 printf("\n\nUnreferenced Variables:\n");
966 LIST_FOREACH(v, &efivars, entries) {
968 print_boot_var(v->name, verbose, v->idx == current);
979 efi_del_variable(EFI_GLOBAL_GUID,"Timeout");
983 handle_timeout(int to)
987 le16enc(&timeout, to);
988 if (set_bootvar("Timeout", (uint8_t *)&timeout, sizeof(timeout)) < 0)
989 errx(1, "Can't set Timeout for booting.");
993 report_esp_device(bool do_dp, bool do_unix)
999 uint16_t current, fplen;
1000 char *name, *dev, *relpath, *abspath;
1001 uint8_t *walker, *ep;
1006 if (do_dp && do_unix)
1007 errx(1, "Can't report both UEFI device-path and Unix path together");
1009 ret = efi_get_variable(EFI_GLOBAL_GUID, "BootCurrent", &data, &size,&attrs);
1011 err(1, "Can't get BootCurrent");
1012 current = le16dec(data);
1013 if (asprintf(&name, "Boot%04X", current) < 0)
1014 err(1, "Can't format boot var\n");
1015 if (efi_get_variable(EFI_GLOBAL_GUID, name, &data, &size, NULL) < 0)
1016 err(1, "Can't retrieve EFI var %s", name);
1017 // First 4 bytes are attribute flags
1020 walker += sizeof(uint32_t);
1021 // Next two bytes are length of the file paths
1022 fplen = le16dec(walker);
1023 walker += sizeof(fplen);
1024 // Next we have a 0 terminated UCS2 string that we know to be aligned
1025 descr = (efi_char *)(intptr_t)(void *)walker;
1026 len = ucs2len(descr); // XXX need to sanity check that len < (datalen - (ep - walker) / 2)
1027 walker += (len + 1) * sizeof(efi_char);
1029 errx(1, "malformed boot variable %s", name);
1030 // Now we have fplen bytes worth of file path stuff
1034 errx(1, "malformed boot variable %s", name);
1036 efidp_format_device_path_node(buf, sizeof(buf), dp);
1037 printf("%s\n", buf);
1040 if (efivar_device_path_to_unix_path(dp, &dev, &relpath, &abspath) != 0)
1041 errx(1, "Can't convert to unix path");
1043 if (abspath == NULL)
1044 errx(1, "Can't find where %s:%s is mounted",
1046 abspath[strlen(abspath) - strlen(relpath) - 1] = '\0';
1047 printf("%s\n", abspath);
1049 printf("%s\n", dev);
1058 set_boot_to_fw_ui(bool to_fw)
1062 if (!os_indication_supported(EFI_OS_INDICATIONS_BOOT_TO_FW_UI)) {
1064 errx(1, "boot to fw ui not supported");
1068 ret = os_indications_set(EFI_OS_INDICATIONS_BOOT_TO_FW_UI,
1071 errx(1, "failed to set boot to fw ui");
1075 find_efi_device(const char *path)
1082 ret = efivar_unix_path_to_device_path(path, &dp);
1085 "Cannot translate path '%s' to UEFI", path);
1086 len = efidp_size(dp);
1087 if (len > MAX_DP_LEN)
1088 errx(1, "Resulting device path too long.");
1089 efidp_format_device_path(buf, sizeof(buf), dp, len);
1090 printf("%s -> %s\n", path, buf);
1095 main(int argc, char *argv[])
1098 memset(&opts, 0, sizeof (bmgr_opts_t));
1099 parse_args(argc, argv);
1102 * find_dev can operate without any efi variables
1104 if (!efi_variables_supported() && !opts.find_dev)
1105 errx(1, "efi variables not supported on this system. root? kldload efirt?");
1111 * side effect, adds to boot order, but not yet active.
1113 make_boot_var(opts.label ? opts.label : "",
1114 opts.loader, opts.kernel, opts.env, opts.dry_run,
1115 opts.has_bootnum ? opts.bootnum : -1, opts.set_active);
1116 else if (opts.set_active || opts.set_inactive )
1117 handle_activity(opts.bootnum, opts.set_active);
1118 else if (opts.order != NULL)
1119 set_boot_order(opts.order); /* create a new bootorder with opts.order */
1120 else if (opts.set_bootnext)
1121 handle_bootnext(opts.bootnum);
1122 else if (opts.delete_bootnext)
1124 else if (opts.delete)
1125 delete_bootvar(opts.bootnum);
1126 else if (opts.del_timeout)
1128 else if (opts.set_timeout)
1129 handle_timeout(opts.timeout);
1130 else if (opts.esp_device)
1131 report_esp_device(opts.device_path, opts.unix_path);
1132 else if (opts.fw_ui)
1133 set_boot_to_fw_ui(true);
1134 else if (opts.no_fw_ui)
1135 set_boot_to_fw_ui(false);
1136 else if (opts.find_dev)
1137 find_efi_device(opts.dev);
1139 print_boot_vars(opts.verbose);