12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091 |
- // SPDX-License-Identifier: GPL-2.0+
- /*
- * efi_selftest_miniapp_exit
- *
- * Copyright (c) 2018 Heinrich Schuchardt
- *
- * This EFI application is run by the StartImage selftest.
- * It uses the Exit boot service to return.
- */
- #include <common.h>
- #include <efi_selftest.h>
- static efi_guid_t loaded_image_protocol_guid = EFI_LOADED_IMAGE_PROTOCOL_GUID;
- /**
- * check_loaded_image_protocol() - check image_base/image_size
- *
- * Try to open the loaded image protocol. Check that this function is located
- * between image_base and image_base + image_size.
- *
- * @image_handle: handle of the loaded image
- * @systable: system table
- * @return: status code
- */
- static efi_status_t EFIAPI check_loaded_image_protocol
- (efi_handle_t image_handle, struct efi_system_table *systable)
- {
- struct efi_simple_text_output_protocol *cout = systable->con_out;
- struct efi_boot_services *boottime = systable->boottime;
- struct efi_loaded_image *loaded_image_protocol;
- efi_status_t ret;
- /*
- * Open the loaded image protocol.
- */
- ret = boottime->open_protocol
- (image_handle, &loaded_image_protocol_guid,
- (void **)&loaded_image_protocol, NULL,
- NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL);
- if (ret != EFI_SUCCESS) {
- cout->output_string(cout,
- L"Could not open loaded image protocol");
- return ret;
- }
- if ((void *)check_loaded_image_protocol <
- loaded_image_protocol->image_base ||
- (void *)check_loaded_image_protocol >=
- loaded_image_protocol->image_base +
- loaded_image_protocol->image_size) {
- cout->output_string(cout,
- L"Incorrect image_base or image_size\n");
- return EFI_NOT_FOUND;
- }
- return EFI_SUCCESS;
- }
- /**
- * Entry point of the EFI application.
- *
- * @handle: handle of the loaded image
- * @systable: system table
- * @return: status code
- */
- efi_status_t EFIAPI efi_main(efi_handle_t handle,
- struct efi_system_table *systable)
- {
- struct efi_simple_text_output_protocol *con_out = systable->con_out;
- efi_status_t ret;
- u16 text[] = EFI_ST_SUCCESS_STR;
- con_out->output_string(con_out, L"EFI application calling Exit\n");
- if (check_loaded_image_protocol(handle, systable) != EFI_SUCCESS) {
- con_out->output_string(con_out,
- L"Loaded image protocol missing\n");
- ret = EFI_NOT_FOUND;
- goto out;
- }
- /* This return value is expected by the calling test */
- ret = EFI_UNSUPPORTED;
- out:
- systable->boottime->exit(handle, ret, sizeof(text), text);
- /*
- * This statement should not be reached.
- * To enable testing use a different return value.
- */
- return EFI_SUCCESS;
- }
|