diff options
| author | Patrick Delaunay <patrick.delaunay@st.com> | 2020-07-28 11:51:20 +0200 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2020-07-31 10:13:00 -0400 |
| commit | 0115dd3a6a144e9c974e00a9f3f41c5bb053236e (patch) | |
| tree | b493f2af6ae993f3fe319d5f97c3833d160041af | |
| parent | 466d9855d4ee828c998ee3ea29e5685e38d3064e (diff) | |
cmd: env: add env load command
Add the new command env load to load the environment from
the current location gd->env_load_prio.
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
| -rw-r--r-- | cmd/Kconfig | 6 | ||||
| -rw-r--r-- | cmd/nvedit.c | 14 | ||||
| -rw-r--r-- | env/env.c | 28 | ||||
| -rw-r--r-- | include/env.h | 7 |
4 files changed, 55 insertions, 0 deletions
diff --git a/cmd/Kconfig b/cmd/Kconfig index bea2ddf830..498fd31b10 100644 --- a/cmd/Kconfig +++ b/cmd/Kconfig @@ -604,6 +604,12 @@ config CMD_NVEDIT_INFO [-q] : quiet output The result of multiple evaluations will be combined with AND. +config CMD_NVEDIT_LOAD + bool "env load" + help + Load all environment variables from the compiled-in persistent + storage. + endmenu menu "Memory commands" diff --git a/cmd/nvedit.c b/cmd/nvedit.c index acd9f82667..f730e2e754 100644 --- a/cmd/nvedit.c +++ b/cmd/nvedit.c @@ -794,6 +794,14 @@ U_BOOT_CMD( ); #endif #endif + +#if defined(CONFIG_CMD_NVEDIT_LOAD) +static int do_env_load(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) +{ + return env_reload() ? 1 : 0; +} +#endif #endif /* CONFIG_SPL_BUILD */ int env_match(uchar *s1, int i2) @@ -1347,6 +1355,9 @@ static struct cmd_tbl cmd_env_sub[] = { #if defined(CONFIG_CMD_NVEDIT_INFO) U_BOOT_CMD_MKENT(info, 3, 0, do_env_info, "", ""), #endif +#if defined(CONFIG_CMD_NVEDIT_LOAD) + U_BOOT_CMD_MKENT(load, 1, 0, do_env_load, "", ""), +#endif U_BOOT_CMD_MKENT(print, CONFIG_SYS_MAXARGS, 1, do_env_print, "", ""), #if defined(CONFIG_CMD_RUN) U_BOOT_CMD_MKENT(run, CONFIG_SYS_MAXARGS, 1, do_run, "", ""), @@ -1442,6 +1453,9 @@ static char env_help_text[] = "env erase - erase environment\n" #endif #endif +#if defined(CONFIG_CMD_NVEDIT_LOAD) + "env load - load environment\n" +#endif #if defined(CONFIG_CMD_NVEDIT_EFI) "env set -e [-nv][-bs][-rt][-at][-a][-i addr,size][-v] name [arg ...]\n" " - set UEFI variable; unset if '-i' or 'arg' not specified\n" @@ -230,6 +230,34 @@ int env_load(void) return -ENODEV; } +int env_reload(void) +{ + struct env_driver *drv; + + drv = env_driver_lookup(ENVOP_LOAD, gd->env_load_prio); + if (drv) { + int ret; + + printf("Loading Environment from %s... ", drv->name); + + if (!env_has_inited(drv->location)) { + printf("not initialized\n"); + return -ENODEV; + } + + ret = drv->load(); + if (ret) + printf("Failed (%d)\n", ret); + else + printf("OK\n"); + + if (!ret) + return 0; + } + + return -ENODEV; +} + int env_save(void) { struct env_driver *drv; diff --git a/include/env.h b/include/env.h index d6c2d751d6..68e0f4fa56 100644 --- a/include/env.h +++ b/include/env.h @@ -266,6 +266,13 @@ int env_set_default_vars(int nvars, char *const vars[], int flags); int env_load(void); /** + * env_reload() - Re-Load the environment from current storage + * + * @return 0 if OK, -ve on error + */ +int env_reload(void); + +/** * env_save() - Save the environment to storage * * @return 0 if OK, -ve on error |