On 01/21/2019 08:49 AM, AKASHI Takahiro wrote:
"env [print|set] -e" allows for handling uefi variables without
knowing details about mapping to corresponding u-boot variables.

Signed-off-by: AKASHI Takahiro <takahiro.aka...@linaro.org>
---
  cmd/nvedit.c | 59 +++++++++++++++++++++++++++++++++++++++++++++++++++-
  1 file changed, 58 insertions(+), 1 deletion(-)

diff --git a/cmd/nvedit.c b/cmd/nvedit.c
index ce746bbf1b3e..1b971d7233bc 100644
--- a/cmd/nvedit.c
+++ b/cmd/nvedit.c
@@ -27,6 +27,8 @@
  #include <cli.h>
  #include <command.h>
  #include <console.h>
+#include <efi.h>
+#include <efi_loader.h>
  #include <environment.h>
  #include <search.h>
  #include <errno.h>
@@ -119,6 +121,25 @@ static int do_env_print(cmd_tbl_t *cmdtp, int flag, int 
argc,
        int rcode = 0;
        int env_flag = H_HIDE_DOT;
+#if defined(CONFIG_EFI_LOADER)
+       if (argc > 1 && argv[1][0] == '-' && argv[1][1] == 'e') {
+               efi_status_t r;
+
+               argc--;
+               argv++;
+
+               /* Initialize EFI drivers */
+               r = efi_init_obj_list();
+               if (r != EFI_SUCCESS) {
+                       printf("Error: Cannot set up EFI drivers, r = %lu\n",
+                              r & ~EFI_ERROR_MASK);
+                       return CMD_RET_FAILURE;
+               }

No need for efi_init_obj_list() here, as it's already done by do_efi_dump_var_ext(), no?

+
+               return do_efi_dump_var_ext(cmdtp, flag, argc, argv);
+       }
+#endif
+
        if (argc > 1 && argv[1][0] == '-' && argv[1][1] == 'a') {
                argc--;
                argv++;
@@ -216,6 +237,26 @@ static int _do_env_set(int flag, int argc, char * const 
argv[], int env_flag)
        ENTRY e, *ep;
debug("Initial value for argc=%d\n", argc);
+
+#if defined(CONFIG_EFI_LOADER)
+       if (argc > 1 && argv[1][0] == '-' && argv[1][1] == 'e') {
+               efi_status_t r;
+
+               argc--;
+               argv++;
+
+               /* Initialize EFI drivers */
+               r = efi_init_obj_list();
+               if (r != EFI_SUCCESS) {
+                       printf("Error: Cannot set up EFI drivers, r = %lu\n",
+                              r & ~EFI_ERROR_MASK);
+                       return CMD_RET_FAILURE;
+               }

Same here.


Alex

+
+               return do_efi_set_var_ext(NULL, flag, argc, argv);
+       }
+#endif
+
        while (argc > 1 && **(argv + 1) == '-') {
                char *arg = *++argv;
@@ -1262,15 +1303,23 @@ static char env_help_text[] =
  #if defined(CONFIG_CMD_IMPORTENV)
        "env import [-d] [-t [-r] | -b | -c] addr [size] [var ...] - import 
environment\n"
  #endif
+#if defined(CONFIG_EFI_LOADER)
+       "env print [-a | -e [name] | name ...] - print environment\n"
+#else
        "env print [-a | name ...] - print environment\n"
+#endif
  #if defined(CONFIG_CMD_RUN)
        "env run var [...] - run commands in an environment variable\n"
  #endif
  #if defined(CONFIG_CMD_SAVEENV) && !defined(CONFIG_ENV_IS_NOWHERE)
        "env save - save environment\n"
  #endif
+#if defined(CONFIG_EFI_LOADER)
+       "env set [-e | -f] name [arg ...]\n";
+#else
        "env set [-f] name [arg ...]\n";
  #endif
+#endif
U_BOOT_CMD(
        env, CONFIG_SYS_MAXARGS, 1, do_env,
@@ -1295,6 +1344,10 @@ U_BOOT_CMD_COMPLETE(
        printenv, CONFIG_SYS_MAXARGS, 1,        do_env_print,
        "print environment variables",
        "[-a]\n    - print [all] values of all environment variables\n"
+#if defined(CONFIG_EFI_LOADER)
+       "printenv -e [<name>]\n"
+       "    - print UEFI variable 'name' or all the variables\n"
+#endif
        "printenv name ...\n"
        "    - print value of environment variable 'name'",
        var_complete
@@ -1322,7 +1375,11 @@ U_BOOT_CMD_COMPLETE(
  U_BOOT_CMD_COMPLETE(
        setenv, CONFIG_SYS_MAXARGS, 0,  do_env_set,
        "set environment variables",
-       "[-f] name value ...\n"
+#if defined(CONFIG_EFI_LOADER)
+       "-e <name> [<value>]\n"
+       "    - set UEFI variable 'name' to 'value' ...'\n"
+#endif
+       "setenv [-f] name value ...\n"
        "    - [forcibly] set environment variable 'name' to 'value ...'\n"
        "setenv [-f] name\n"
        "    - [forcibly] delete environment variable 'name'",


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