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Diffstat (limited to 'commands/loadenv.c')
-rw-r--r-- | commands/loadenv.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/commands/loadenv.c b/commands/loadenv.c new file mode 100644 index 0000000000..5db132cc37 --- /dev/null +++ b/commands/loadenv.c @@ -0,0 +1,71 @@ +/* + * Copyright (c) 2007 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/** + * @file + * @brief loadenv: Restoring a environment + */ + +#include <common.h> +#include <command.h> +#include <environment.h> + +static int do_loadenv(cmd_tbl_t *cmdtp, int argc, char *argv[]) +{ + char *filename, *dirname; + + if (argc < 3) + dirname = "/env"; + else + dirname = argv[2]; + if (argc < 2) + filename = "/dev/env0"; + else + filename = argv[1]; + printf("loading environment from %s\n", filename); + return envfs_load(filename, dirname); +} + +static __maybe_unused char cmd_loadenv_help[] = +"Usage: loadenv [ENVFS] [DIRECTORY]\n" +"Load the persistent storage contained in <envfs> to the directory\n" +"<directory>.\n" +"If ommitted <directory> defaults to /env and <envfs> defaults to /dev/env0.\n" +"Note that envfs can only handle files. Directories are skipped silently.\n"; + +U_BOOT_CMD_START(loadenv) + .maxargs = 3, + .cmd = do_loadenv, + .usage = "load environment from persistent storage", + U_BOOT_CMD_HELP(cmd_loadenv_help) +U_BOOT_CMD_END + +/** + * @page loadenv_command loadenv + * + * Usage: loadenv [\<directory>] [\<envfs>] + * + * Load the persistent storage contained in \<envfs> to the directory \<directory>. + * + * If ommitted \<directory> defaults to \c /env and \<envfs> defaults to + * \c /dev/env0. + * + * @note envfs can only handle files. Directories are skipped silently. + */ |