Simon Glass | 8a4ee05 | 2024-11-07 14:31:41 -0700 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
| 2 | /* |
| 3 | * EFI test application |
| 4 | * |
| 5 | * Copyright 2024 Google LLC |
| 6 | * Written by Simon Glass <sjg@chromium.org> |
| 7 | * |
| 8 | * This test program is used to test the invocation of an EFI application. |
| 9 | * It writes a few messages to the console and then exits boot services |
| 10 | */ |
| 11 | |
| 12 | #include <efi_api.h> |
| 13 | |
| 14 | static const efi_guid_t loaded_image_guid = EFI_LOADED_IMAGE_PROTOCOL_GUID; |
| 15 | |
| 16 | static struct efi_system_table *systable; |
| 17 | static struct efi_boot_services *boottime; |
| 18 | static struct efi_simple_text_output_protocol *con_out; |
| 19 | |
| 20 | /** |
| 21 | * efi_main() - entry point of the EFI application. |
| 22 | * |
| 23 | * @handle: handle of the loaded image |
| 24 | * @systab: system table |
| 25 | * Return: status code |
| 26 | */ |
| 27 | efi_status_t EFIAPI efi_main(efi_handle_t handle, |
| 28 | struct efi_system_table *systab) |
| 29 | { |
| 30 | struct efi_loaded_image *loaded_image; |
| 31 | efi_status_t ret; |
| 32 | |
| 33 | systable = systab; |
| 34 | boottime = systable->boottime; |
| 35 | con_out = systable->con_out; |
| 36 | |
| 37 | /* Get the loaded image protocol */ |
| 38 | ret = boottime->open_protocol(handle, &loaded_image_guid, |
| 39 | (void **)&loaded_image, NULL, NULL, |
| 40 | EFI_OPEN_PROTOCOL_GET_PROTOCOL); |
| 41 | if (ret != EFI_SUCCESS) { |
| 42 | con_out->output_string |
| 43 | (con_out, u"Cannot open loaded image protocol\r\n"); |
| 44 | goto out; |
| 45 | } |
| 46 | |
| 47 | /* UEFI requires CR LF */ |
| 48 | con_out->output_string(con_out, u"U-Boot test app for EFI_LOADER\r\n"); |
| 49 | |
| 50 | out: |
| 51 | con_out->output_string(con_out, u"Exiting test app\n"); |
| 52 | ret = boottime->exit(handle, ret, 0, NULL); |
| 53 | |
| 54 | /* We should never arrive here */ |
| 55 | return ret; |
| 56 | } |