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// SPDX-License-Identifier: GPL-2.0-or-later
#include <globalvar.h>
#include <command.h>
#include <common.h>
#include <getopt.h>
#include <malloc.h>
#include <boot.h>
#include <complete.h>
#include <linux/stat.h>
static char *next_argv(void *context)
{
char ***argv = context;
char *next = **argv;
(*argv)++;
return next;
}
static char *next_word(void *context)
{
return strsep(context, " ");
}
static int do_boot(int argc, char *argv[])
{
char *freep = NULL;
int opt, ret = 0, do_list = 0, do_menu = 0;
int dryrun = 0, verbose = 0, timeout = -1;
unsigned default_menu_entry = 0;
struct bootentries *entries;
struct bootentry *entry;
void *handle;
const char *name;
char *(*next)(void *);
while ((opt = getopt(argc, argv, "vldmM:t:w:")) > 0) {
switch (opt) {
case 'v':
verbose++;
break;
case 'l':
do_list = 1;
break;
case 'd':
dryrun++;
break;
case 'M':
/* To simplify scripting, an empty string is treated as 1 */
if (*optarg == '\0') {
default_menu_entry = 1;
} else {
ret = kstrtouint(optarg, 0, &default_menu_entry);
if (ret)
return ret;
}
fallthrough;
case 'm':
do_menu = 1;
break;
case 't':
timeout = simple_strtoul(optarg, NULL, 0);
break;
case 'w':
boot_set_watchdog_timeout(simple_strtoul(optarg, NULL, 0));
break;
default:
return COMMAND_ERROR_USAGE;
}
}
if (optind < argc) {
handle = &argv[optind];
next = next_argv;
} else {
const char *def;
def = getenv("global.boot.default");
if (!def)
return 0;
handle = freep = xstrdup(def);
next = next_word;
}
entries = bootentries_alloc();
while ((name = next(&handle)) != NULL) {
if (!*name)
continue;
ret = bootentry_create_from_name(entries, name);
if (ret <= 0)
printf("Nothing bootable found on '%s'\n", name);
if (do_list || do_menu)
continue;
bootentries_for_each_entry(entries, entry) {
ret = boot_entry(entry, verbose, dryrun);
if (!ret)
goto out;
}
bootentries_free(entries);
entries = bootentries_alloc();
}
if (list_empty(&entries->entries)) {
printf("Nothing bootable found\n");
ret = COMMAND_ERROR;
goto out;
}
if (do_list)
bootsources_list(entries);
else if (do_menu)
bootsources_menu(entries, default_menu_entry, timeout);
ret = 0;
out:
bootentries_free(entries);
free(freep);
return ret;
}
BAREBOX_CMD_HELP_START(boot)
BAREBOX_CMD_HELP_TEXT("This is for booting based on scripts. Unlike the bootm command which")
BAREBOX_CMD_HELP_TEXT("can boot a single image this command offers the possibility to boot with")
BAREBOX_CMD_HELP_TEXT("scripts (by default placed under /env/boot/).")
BAREBOX_CMD_HELP_TEXT("")
BAREBOX_CMD_HELP_TEXT("BOOTSRC can be:")
BAREBOX_CMD_HELP_TEXT("- a filename under /env/boot/")
BAREBOX_CMD_HELP_TEXT("- a full path to a boot script")
BAREBOX_CMD_HELP_TEXT("- a full path to a bootspec entry")
BAREBOX_CMD_HELP_TEXT("- a device name")
BAREBOX_CMD_HELP_TEXT("- a partition name under /dev/")
BAREBOX_CMD_HELP_TEXT("- a full path to a directory which")
BAREBOX_CMD_HELP_TEXT(" - contains boot scripts, or")
BAREBOX_CMD_HELP_TEXT(" - contains a loader/entries/ directory containing bootspec entries")
BAREBOX_CMD_HELP_TEXT("")
BAREBOX_CMD_HELP_TEXT("Multiple bootsources may be given which are probed in order until")
BAREBOX_CMD_HELP_TEXT("one succeeds.")
BAREBOX_CMD_HELP_TEXT("")
BAREBOX_CMD_HELP_TEXT("Options:")
BAREBOX_CMD_HELP_OPT ("-v","Increase verbosity")
BAREBOX_CMD_HELP_OPT ("-d","Dryrun. See what happens but do no actually boot (pass twice to run scripts)")
BAREBOX_CMD_HELP_OPT ("-l","List available boot sources")
BAREBOX_CMD_HELP_OPT ("-m","Show a menu with boot options")
BAREBOX_CMD_HELP_OPT ("-M INDEX","Show a menu with boot options with entry INDEX preselected")
BAREBOX_CMD_HELP_OPT ("-w SECS","Start watchdog with timeout SECS before booting")
BAREBOX_CMD_HELP_OPT ("-t SECS","specify timeout in SECS")
BAREBOX_CMD_HELP_END
BAREBOX_CMD_START(boot)
.cmd = do_boot,
BAREBOX_CMD_DESC("boot from script, device, ...")
BAREBOX_CMD_OPTS("[-vdlmMwt] [BOOTSRC...]")
BAREBOX_CMD_GROUP(CMD_GRP_BOOT)
BAREBOX_CMD_HELP(cmd_boot_help)
BAREBOX_CMD_END
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