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authorPatrick Delaunay <patrick.delaunay@st.com>2020-07-28 11:51:20 +0200
committerTom Rini <trini@konsulko.com>2020-07-31 10:13:00 -0400
commit0115dd3a6a144e9c974e00a9f3f41c5bb053236e (patch)
treeb493f2af6ae993f3fe319d5f97c3833d160041af /cmd
parent466d9855d4ee828c998ee3ea29e5685e38d3064e (diff)
downloadu-boot-0115dd3a6a144e9c974e00a9f3f41c5bb053236e.tar.gz
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>
Diffstat (limited to 'cmd')
-rw-r--r--cmd/Kconfig6
-rw-r--r--cmd/nvedit.c14
2 files changed, 20 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"