コード例 #1
0
ファイル: efidebug.c プロジェクト: PlanetEater/uboot-nsa320
/**
 * efi_get_driver_handle_info() - get information of UEFI driver
 *
 * @handle:		Handle of UEFI device
 * @driver_name:	Driver name
 * @image_path:		Pointer to text of device path
 * Return:		0 on success, -1 on failure
 *
 * Currently return no useful information as all UEFI drivers are
 * built-in..
 */
static int efi_get_driver_handle_info(efi_handle_t handle, u16 **driver_name,
				      u16 **image_path)
{
	struct efi_handler *handler;
	struct efi_loaded_image *image;
	efi_status_t ret;

	/*
	 * driver name
	 * TODO: support EFI_COMPONENT_NAME2_PROTOCOL
	 */
	*driver_name = NULL;

	/* image name */
	ret = efi_search_protocol(handle, &efi_guid_loaded_image, &handler);
	if (ret != EFI_SUCCESS) {
		*image_path = NULL;
		return 0;
	}

	image = handler->protocol_interface;
	*image_path = efi_dp_str(image->file_path);

	return 0;
}
コード例 #2
0
ファイル: efidebug.c プロジェクト: PlanetEater/uboot-nsa320
/**
 * efi_get_device_handle_info() - get information of UEFI device
 *
 * @handle:		Handle of UEFI device
 * @dev_path_text:	Pointer to text of device path
 * Return:		0 on success, -1 on failure
 *
 * Currently return a formatted text of device path.
 */
static int efi_get_device_handle_info(efi_handle_t handle, u16 **dev_path_text)
{
	struct efi_device_path *dp;
	efi_status_t ret;

	ret = EFI_CALL(BS->open_protocol(handle, &efi_guid_device_path,
					 (void **)&dp, NULL /* FIXME */, NULL,
					 EFI_OPEN_PROTOCOL_GET_PROTOCOL));
	if (ret == EFI_SUCCESS) {
		*dev_path_text = efi_dp_str(dp);
		return 0;
	} else {
		return -1;
	}
}
コード例 #3
0
ファイル: efidebug.c プロジェクト: PlanetEater/uboot-nsa320
/**
 * show_efi_boot_opt_data() - dump UEFI load option
 *
 * @id:		Load option number
 * @data:	Value of UEFI load option variable
 *
 * Decode the value of UEFI load option variable and print information.
 */
static void show_efi_boot_opt_data(int id, void *data)
{
	struct efi_load_option lo;
	char *label, *p;
	size_t label_len16, label_len;
	u16 *dp_str;

	efi_deserialize_load_option(&lo, data);

	label_len16 = u16_strlen(lo.label);
	label_len = utf16_utf8_strnlen(lo.label, label_len16);
	label = malloc(label_len + 1);
	if (!label)
		return;
	p = label;
	utf16_utf8_strncpy(&p, lo.label, label_len16);

	printf("Boot%04X:\n", id);
	printf("\tattributes: %c%c%c (0x%08x)\n",
	       /* ACTIVE */
	       lo.attributes & LOAD_OPTION_ACTIVE ? 'A' : '-',
	       /* FORCE RECONNECT */
	       lo.attributes & LOAD_OPTION_FORCE_RECONNECT ? 'R' : '-',
	       /* HIDDEN */
	       lo.attributes & LOAD_OPTION_HIDDEN ? 'H' : '-',
	       lo.attributes);
	printf("\tlabel: %s\n", label);

	dp_str = efi_dp_str(lo.file_path);
	printf("\tfile_path: %ls\n", dp_str);
	efi_free_pool(dp_str);

	printf("\tdata: %s\n", lo.optional_data);

	free(label);
}
コード例 #4
0
ファイル: efi_uclass.c プロジェクト: Noltari/u-boot
 * @controller_handle:		handle of the controller
 * @remaining_device_path:	path specifying the child controller
 * Return:			status code
 */
static efi_status_t EFIAPI efi_uc_supported(
		struct efi_driver_binding_protocol *this,
		efi_handle_t controller_handle,
		struct efi_device_path *remaining_device_path)
{
	efi_status_t r, ret;
	void *interface;
	struct efi_driver_binding_extended_protocol *bp =
			(struct efi_driver_binding_extended_protocol *)this;

	EFI_ENTRY("%p, %p, %ls", this, controller_handle,
		  efi_dp_str(remaining_device_path));

	ret = EFI_CALL(systab.boottime->open_protocol(
			controller_handle, bp->ops->protocol,
			&interface, this->driver_binding_handle,
			controller_handle, EFI_OPEN_PROTOCOL_BY_DRIVER));
	switch (ret) {
	case EFI_ACCESS_DENIED:
	case EFI_ALREADY_STARTED:
		goto out;
	case EFI_SUCCESS:
		break;
	default:
		ret = EFI_UNSUPPORTED;
		goto out;
	}