From: Simon Glass <sjg@chromium.org> Some protocols are generally useful for the app and it makes sense to store these in the priv struct rather than requesting them each time they are needed. Add a new function which locates the device-path-to-text protocol and stores it. Signed-off-by: Simon Glass <sjg@chromium.org> --- include/efi.h | 2 ++ lib/efi_client/efi_app.c | 9 +++++++++ 2 files changed, 11 insertions(+) diff --git a/include/efi.h b/include/efi.h index ed22ff9a5a4..28c297d87db 100644 --- a/include/efi.h +++ b/include/efi.h @@ -471,6 +471,7 @@ static inline struct efi_mem_desc *efi_get_next_mem_desc( * allocate_pages() and free_pages() * @ram_base: Base address of RAM (size CONFIG_EFI_RAM_SIZE) * @image_data_type: Type of the loaded image (e.g. EFI_LOADER_CODE) + * @efi_dp_to_text: Pointer to the EFI_DEVICE_PATH protocol, or NULL if none * * @info: Header of the info list, holding info collected by the stub and passed * to U-Boot @@ -496,6 +497,7 @@ struct efi_priv { bool use_pool_for_malloc; unsigned long ram_base; unsigned int image_data_type; + struct efi_device_path_to_text_protocol *efi_dp_to_text; /* stub: */ struct efi_info_hdr *info; diff --git a/lib/efi_client/efi_app.c b/lib/efi_client/efi_app.c index df51c5a4de9..7c9c156e006 100644 --- a/lib/efi_client/efi_app.c +++ b/lib/efi_client/efi_app.c @@ -176,6 +176,14 @@ static void scan_tables(struct efi_system_table *sys_table) } } +static void find_protocols(struct efi_priv *priv) +{ + efi_guid_t guid = EFI_DEVICE_PATH_TO_TEXT_PROTOCOL_GUID; + struct efi_boot_services *boot = priv->boot; + + boot->locate_protocol(&guid, NULL, (void **)&priv->efi_dp_to_text); +} + /** * efi_main() - Start an EFI image * @@ -211,6 +219,7 @@ efi_status_t EFIAPI efi_main(efi_handle_t image, } scan_tables(priv->sys_table); + find_protocols(priv); /* * We could store the EFI memory map here, but it changes all the time, -- 2.43.0