From: AKASHI Takahiro <takahiro.akashi@linaro.org>
Date: Wed, 24 Apr 2019 06:30:38 +0000 (+0900)
Subject: efi_loader: set OsIndicationsSupported at init
X-Git-Tag: v2025.01-rc5-pxa1908~3008^2~10
X-Git-Url: http://git.dujemihanovic.xyz/login.html?a=commitdiff_plain;h=d40e05ae95cfdf328ed6940fb48e110dc5da0c77;p=u-boot.git
efi_loader: set OsIndicationsSupported at init
UEFI variables should be installed using well-defined API.
Currently we don't support much, but the value of OsIndicationsSupported
will be updated once some features are added in the future.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Add comments. Rename a variable.
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
---
diff --git a/cmd/bootefi.c b/cmd/bootefi.c
index efaa548be4..b93d8c6a32 100644
--- a/cmd/bootefi.c
+++ b/cmd/bootefi.c
@@ -303,10 +303,6 @@ static efi_status_t do_bootefi_exec(efi_handle_t handle)
if (ret != EFI_SUCCESS)
return ret;
- /* we don't support much: */
- env_set("efi_8be4df61-93ca-11d2-aa0d-00e098032b8c_OsIndicationsSupported",
- "{ro,boot}(blob)0000000000000000");
-
/* Call our payload! */
ret = EFI_CALL(efi_start_image(handle, NULL, NULL));
diff --git a/lib/efi_loader/efi_setup.c b/lib/efi_loader/efi_setup.c
index b32a7b3f93..87db51cbb7 100644
--- a/lib/efi_loader/efi_setup.c
+++ b/lib/efi_loader/efi_setup.c
@@ -79,6 +79,7 @@ out:
*/
efi_status_t efi_init_obj_list(void)
{
+ u64 os_indications_supported = 0; /* None */
efi_status_t ret = EFI_SUCCESS;
/* Initialize once only */
@@ -90,6 +91,16 @@ efi_status_t efi_init_obj_list(void)
if (ret != EFI_SUCCESS)
goto out;
+ /* Indicate supported features */
+ ret = EFI_CALL(efi_set_variable(L"OsIndicationsSupported",
+ &efi_global_variable_guid,
+ EFI_VARIABLE_BOOTSERVICE_ACCESS |
+ EFI_VARIABLE_RUNTIME_ACCESS,
+ sizeof(os_indications_supported),
+ &os_indications_supported));
+ if (ret != EFI_SUCCESS)
+ goto out;
+
/* Initialize system table */
ret = efi_initialize_system_table();
if (ret != EFI_SUCCESS)