cmd: env: add env select command
Add the new command 'env select' to force the persistent storage
of environment, saved in gd->env_load_prio.
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
diff --git a/cmd/Kconfig b/cmd/Kconfig
index 498fd31..d7136b0 100644
--- a/cmd/Kconfig
+++ b/cmd/Kconfig
@@ -610,6 +610,11 @@
Load all environment variables from the compiled-in persistent
storage.
+config CMD_NVEDIT_SELECT
+ bool "env select"
+ help
+ Select the compiled-in persistent storage of environment variables.
+
endmenu
menu "Memory commands"
diff --git a/cmd/nvedit.c b/cmd/nvedit.c
index f730e2e..d188c6a 100644
--- a/cmd/nvedit.c
+++ b/cmd/nvedit.c
@@ -802,6 +802,15 @@
return env_reload() ? 1 : 0;
}
#endif
+
+#if defined(CONFIG_CMD_NVEDIT_SELECT)
+static int do_env_select(struct cmd_tbl *cmdtp, int flag, int argc,
+ char *const argv[])
+{
+ return env_select(argv[1]) ? 1 : 0;
+}
+#endif
+
#endif /* CONFIG_SPL_BUILD */
int env_match(uchar *s1, int i2)
@@ -1368,6 +1377,9 @@
U_BOOT_CMD_MKENT(erase, 1, 0, do_env_erase, "", ""),
#endif
#endif
+#if defined(CONFIG_CMD_NVEDIT_SELECT)
+ U_BOOT_CMD_MKENT(select, 2, 0, do_env_select, "", ""),
+#endif
U_BOOT_CMD_MKENT(set, CONFIG_SYS_MAXARGS, 0, do_env_set, "", ""),
#if defined(CONFIG_CMD_ENV_EXISTS)
U_BOOT_CMD_MKENT(exists, 2, 0, do_env_exists, "", ""),
@@ -1456,6 +1468,9 @@
#if defined(CONFIG_CMD_NVEDIT_LOAD)
"env load - load environment\n"
#endif
+#if defined(CONFIG_CMD_NVEDIT_SELECT)
+ "env select [target] - select environment target\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"