diff options
Diffstat (limited to 'common/environment.c')
| -rw-r--r-- | common/environment.c | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/common/environment.c b/common/environment.c index 0e1b475e01..416eb060d9 100644 --- a/common/environment.c +++ b/common/environment.c @@ -97,6 +97,7 @@ out: #ifdef __U_BOOT__ int do_saveenv(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { + int ret; char *filename, *dirname; printf("saving environment\n"); @@ -109,13 +110,24 @@ int do_saveenv(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) else filename = argv[1]; - return envfs_save(filename, dirname); + ret = envfs_save(filename, dirname); + if (ret) + printf("saveenv failed\n"); + return ret; } +static char cmd_saveenv_help[] = +"Usage: saveenv [DIRECTORY] [ENVFS]\n" +"Save the files in <directory> to the persistent storage device <envfs>.\n" +"<envfs> is normally a block in flash, but could be any other file.\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(saveenv) .maxargs = 3, .cmd = do_saveenv, - .usage = "saveenv - save environment to persistent storage\n", + .usage = "save environment to persistent storage", + U_BOOT_CMD_HELP(cmd_saveenv_help) U_BOOT_CMD_END #endif /* __U_BOOT__ */ @@ -208,9 +220,17 @@ int do_loadenv(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) return envfs_load(filename, dirname); } +static char cmd_loadenv_help[] = +"Usage: loadenv [DIRECTORY] [ENVFS]\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 = "loadenv - load environment from persistent storage\n", + .usage = "load environment from persistent storage", + U_BOOT_CMD_HELP(cmd_loadenv_help) U_BOOT_CMD_END #endif /* __U_BOOT__ */ |