diff options
| author | AKASHI Takahiro <takahiro.akashi@linaro.org> | 2019-06-04 15:52:11 +0900 |
|---|---|---|
| committer | Heinrich Schuchardt <xypron.glpk@gmx.de> | 2019-06-04 23:56:14 +0200 |
| commit | 4b27a761321fd17536e02644d0ec0373150eb570 (patch) | |
| tree | 224a010c685907cb82299ccc5d93f756cf3f00e9 /cmd | |
| parent | f658c2e190c3a45a94317f27ab53f2f7d8067d36 (diff) | |
cmd: env: add -nv option for UEFI non-volatile variable
With this option, -nv, at "setenv -e" command, a variable will be defined
as non-volatile.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Diffstat (limited to 'cmd')
| -rw-r--r-- | cmd/nvedit.c | 3 | ||||
| -rw-r--r-- | cmd/nvedit_efi.c | 15 |
2 files changed, 14 insertions, 4 deletions
diff --git a/cmd/nvedit.c b/cmd/nvedit.c index 24a6cf7824..52c242b4f6 100644 --- a/cmd/nvedit.c +++ b/cmd/nvedit.c @@ -1344,8 +1344,9 @@ U_BOOT_CMD_COMPLETE( setenv, CONFIG_SYS_MAXARGS, 0, do_env_set, "set environment variables", #if defined(CONFIG_CMD_NVEDIT_EFI) - "-e name [value ...]\n" + "-e [-nv] name [value ...]\n" " - set UEFI variable 'name' to 'value' ...'\n" + " 'nv' option makes the variable non-volatile\n" " - delete UEFI variable 'name' if 'value' not specified\n" #endif "setenv [-f] name value ...\n" diff --git a/cmd/nvedit_efi.c b/cmd/nvedit_efi.c index ff8eaa1aad..60a8ac84c8 100644 --- a/cmd/nvedit_efi.c +++ b/cmd/nvedit_efi.c @@ -349,6 +349,7 @@ int do_env_set_efi(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) u16 *var_name16 = NULL, *p; size_t len; efi_guid_t guid; + u32 attributes; efi_status_t ret; if (argc == 1) @@ -362,6 +363,16 @@ int do_env_set_efi(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) return CMD_RET_FAILURE; } + attributes = EFI_VARIABLE_BOOTSERVICE_ACCESS | + EFI_VARIABLE_RUNTIME_ACCESS; + if (!strcmp(argv[1], "-nv")) { + attributes |= EFI_VARIABLE_NON_VOLATILE; + argc--; + argv++; + if (argc == 1) + return CMD_RET_SUCCESS; + } + var_name = argv[1]; if (argc == 2) { /* delete */ @@ -391,9 +402,7 @@ int do_env_set_efi(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) utf8_utf16_strncpy(&p, var_name, len + 1); guid = efi_global_variable_guid; - ret = EFI_CALL(efi_set_variable(var_name16, &guid, - EFI_VARIABLE_BOOTSERVICE_ACCESS | - EFI_VARIABLE_RUNTIME_ACCESS, + ret = EFI_CALL(efi_set_variable(var_name16, &guid, attributes, size, value)); if (ret == EFI_SUCCESS) { ret = CMD_RET_SUCCESS; |