From d40e05ae95cfdf328ed6940fb48e110dc5da0c77 Mon Sep 17 00:00:00 2001 From: AKASHI Takahiro Date: Wed, 24 Apr 2019 15:30:38 +0900 Subject: [PATCH] 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 Add comments. Rename a variable. Reviewed-by: Heinrich Schuchardt --- cmd/bootefi.c | 4 ---- lib/efi_loader/efi_setup.c | 11 +++++++++++ 2 files changed, 11 insertions(+), 4 deletions(-) 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) -- 2.39.5