diff options
Diffstat (limited to 'commands/bootchooser.c')
| -rw-r--r-- | commands/bootchooser.c | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/commands/bootchooser.c b/commands/bootchooser.c new file mode 100644 index 0000000000..91938fe551 --- /dev/null +++ b/commands/bootchooser.c @@ -0,0 +1,148 @@ +/* + * Copyright (C) 2012 Jan Luebbe <j.luebbe@pengutronix.de> + * Copyright (C) 2015 Marc Kleine-Budde <mkl@pengutronix.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <bootchooser.h> +#include <globalvar.h> +#include <command.h> +#include <common.h> +#include <getopt.h> +#include <malloc.h> +#include <stdio.h> + +#define DONTTOUCH -2 +#define DEFAULT -1 + +static void target_reset(struct bootchooser_target *target, int priority, int attempts) +{ + printf("Resetting target %s to ", bootchooser_target_name(target)); + + if (priority >= 0) + printf("priority %d", priority); + else if (priority == DEFAULT) + printf("default priority"); + + if (priority > DONTTOUCH && attempts > DONTTOUCH) + printf(", "); + + if (attempts >= 0) + printf("%d attempts", attempts); + else if (attempts == DEFAULT) + printf("default attempts"); + + printf("\n"); + + if (priority > DONTTOUCH) + bootchooser_target_set_priority(target, priority); + if (attempts > DONTTOUCH) + bootchooser_target_set_attempts(target, attempts); +} + +static int do_bootchooser(int argc, char *argv[]) +{ + int opt, ret = 0, i; + struct bootchooser *bootchooser; + struct bootchooser_target *target; + int attempts = DONTTOUCH; + int priority = DONTTOUCH; + int info = 0; + bool done_something = false; + bool last_boot_successful = false; + + while ((opt = getopt(argc, argv, "a:p:is")) > 0) { + switch (opt) { + case 'a': + if (!strcmp(optarg, "default")) + attempts = DEFAULT; + else + attempts = simple_strtoul(optarg, NULL, 0); + break; + case 'p': + if (!strcmp(optarg, "default")) + priority = DEFAULT; + else + priority = simple_strtoul(optarg, NULL, 0); + break; + case 'i': + info = 1; + break; + case 's': + last_boot_successful = true; + break; + default: + return COMMAND_ERROR_USAGE; + } + } + + bootchooser = bootchooser_get(); + if (IS_ERR(bootchooser)) { + printf("No bootchooser found\n"); + return COMMAND_ERROR; + } + + if (last_boot_successful) { + bootchooser_last_boot_successful(); + done_something = true; + } + + if (attempts != DONTTOUCH || priority != DONTTOUCH) { + if (optind < argc) { + for (i = optind; i < argc; i++) { + target = bootchooser_target_by_name(bootchooser, argv[i]); + if (!target) { + printf("No such target: %s\n", argv[i]); + ret = COMMAND_ERROR; + goto out; + } + + target_reset(target, priority, attempts); + } + } else { + bootchooser_for_each_target(bootchooser, target) + target_reset(target, priority, attempts); + } + done_something = true; + } + + if (info) { + bootchooser_info(bootchooser); + done_something = true; + } + + if (!done_something) { + printf("Nothing to do\n"); + ret = COMMAND_ERROR_USAGE; + } +out: + bootchooser_put(bootchooser); + + return ret; +} + +BAREBOX_CMD_HELP_START(bootchooser) +BAREBOX_CMD_HELP_TEXT("Control misc behaviour of the bootchooser") +BAREBOX_CMD_HELP_TEXT("") +BAREBOX_CMD_HELP_TEXT("Options:") +BAREBOX_CMD_HELP_OPT ("-a <n|default> [TARGETS]", "set priority of given targets to 'n' or the default priority") +BAREBOX_CMD_HELP_OPT ("-p <n|default> [TARGETS]", "set remaining attempts of given targets to 'n' or the default attempts") +BAREBOX_CMD_HELP_OPT ("-i", "Show information about the bootchooser") +BAREBOX_CMD_HELP_OPT ("-s", "Mark the last boot successful") +BAREBOX_CMD_HELP_END + +BAREBOX_CMD_START(bootchooser) + .cmd = do_bootchooser, + BAREBOX_CMD_DESC("bootchooser control") + BAREBOX_CMD_GROUP(CMD_GRP_MISC) + BAREBOX_CMD_HELP(cmd_bootchooser_help) +BAREBOX_CMD_END |