109 lines
2.8 KiB
C
109 lines
2.8 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* efi_selftest_loaded_image
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*
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* Copyright (c) 2018 Heinrich Schuchardt <xypron.glpk@gmx.de>
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*
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* This unit test checks the Loaded Image Protocol.
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*/
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#include <efi_selftest.h>
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static efi_guid_t loaded_image_protocol_guid =
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EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2,
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0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b);
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static struct efi_boot_services *boottime;
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efi_handle_t image_handle;
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/*
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* Setup unit test.
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*
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* @handle: handle of the loaded image
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* @systable: system table
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*/
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static int setup(const efi_handle_t img_handle,
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const struct efi_system_table *systable)
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{
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boottime = systable->boottime;
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image_handle = img_handle;
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return EFI_ST_SUCCESS;
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}
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/*
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* Execute unit test.
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*
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* Verify that the loaded image protocol is installed on the image handle.
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* Verify that the loaded image protocol points to the system table.
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*/
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static int execute(void)
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{
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efi_status_t ret;
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efi_uintn_t i, protocol_buffer_count = 0;
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efi_guid_t **protocol_buffer = NULL;
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bool found = false;
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struct efi_loaded_image *loaded_image_protocol;
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/*
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* Get the GUIDs of all protocols installed on the handle.
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*/
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ret = boottime->protocols_per_handle(image_handle, &protocol_buffer,
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&protocol_buffer_count);
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if (ret != EFI_SUCCESS) {
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efi_st_error("ProtocolsPerHandle failed\n");
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return EFI_ST_FAILURE;
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}
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if (!protocol_buffer_count || !protocol_buffer) {
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efi_st_error("ProtocolsPerHandle returned no protocol\n");
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return EFI_ST_FAILURE;
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}
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efi_st_printf("%u protocols installed on image handle\n",
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(unsigned int)protocol_buffer_count);
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for (i = 0; i < protocol_buffer_count; ++i) {
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if (efi_st_memcmp(protocol_buffer[i],
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&loaded_image_protocol_guid,
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sizeof(efi_guid_t)))
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found = true;
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}
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if (!found) {
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efi_st_printf("LoadedImageProtocol not found\n");
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return EFI_ST_FAILURE;
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}
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ret = boottime->free_pool(protocol_buffer);
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if (ret != EFI_SUCCESS) {
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efi_st_error("FreePool failed\n");
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return EFI_ST_FAILURE;
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}
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/*
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* Open the loaded image protocol.
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*/
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ret = boottime->open_protocol(image_handle, &loaded_image_protocol_guid,
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(void **)&loaded_image_protocol, NULL,
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NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL);
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if (ret != EFI_SUCCESS) {
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efi_st_error("OpenProtocol failed\n");
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return EFI_ST_FAILURE;
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}
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if (loaded_image_protocol->revision !=
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EFI_LOADED_IMAGE_PROTOCOL_REVISION) {
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efi_st_printf("Incorrect revision\n");
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return EFI_ST_FAILURE;
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}
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if (!loaded_image_protocol->system_table ||
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loaded_image_protocol->system_table->hdr.signature !=
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EFI_SYSTEM_TABLE_SIGNATURE) {
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efi_st_printf("System table reference missing\n");
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return EFI_ST_FAILURE;
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}
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return EFI_ST_SUCCESS;
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}
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EFI_UNIT_TEST(loadedimage) = {
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.name = "loaded image",
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.phase = EFI_EXECUTE_BEFORE_BOOTTIME_EXIT,
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.setup = setup,
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.execute = execute,
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};
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