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git01.mediatek.com / filogic / uboot / 1380e58d7c5ba15473c3603e6d64dbdda33d9eaa / . / lib / efi_selftest / efi_selftest_loaded_image.c
blob: ea2b380a777c7461c5453b33a010a969a02560d8 [file] [log] [blame]
Heinrich Schuchardt70507ed2018-08-26 15:31:53 +0200[diff] [blame]1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * efi_selftest_loaded_image
4 *
5 * Copyright (c) 2018 Heinrich Schuchardt <xypron.glpk@gmx.de>
6 *
7 * This unit test checks the Loaded Image Protocol.
8 */
9
10#include <efi_selftest.h>
11
12static efi_guid_t loaded_image_protocol_guid =
13 EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2,
14 0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b);
15static struct efi_boot_services *boottime;
16efi_handle_t image_handle;
17
18/*
19 * Setup unit test.
20 *
21 * @handle: handle of the loaded image
22 * @systable: system table
23 */
24static int setup(const efi_handle_t img_handle,
25 const struct efi_system_table *systable)
26{
27 boottime = systable->boottime;
28 image_handle = img_handle;
29
30 return EFI_ST_SUCCESS;
31}
32
33/*
34 * Execute unit test.
35 *
36 * Verify that the loaded image protocol is installed on the image handle.
37 * Verify that the loaded image protocol points to the system table.
38 */
39static int execute(void)
40{
41 efi_status_t ret;
42 efi_uintn_t i, protocol_buffer_count = 0;
43 efi_guid_t **protocol_buffer = NULL;
44 bool found = false;
45 struct efi_loaded_image *loaded_image_protocol;
46
47 /*
48 * Get the GUIDs of all protocols installed on the handle.
49 */
50 ret = boottime->protocols_per_handle(image_handle, &protocol_buffer,
51 &protocol_buffer_count);
52 if (ret != EFI_SUCCESS) {
53 efi_st_error("ProtocolsPerHandle failed\n");
54 return EFI_ST_FAILURE;
55 }
Heinrich Schuchardt15a6f3a2018-11-25 15:21:40 +0100[diff] [blame]56 if (!protocol_buffer_count || !protocol_buffer) {
Heinrich Schuchardt70507ed2018-08-26 15:31:53 +0200[diff] [blame]57 efi_st_error("ProtocolsPerHandle returned no protocol\n");
58 return EFI_ST_FAILURE;
59 }
60 efi_st_printf("%u protocols installed on image handle\n",
61 (unsigned int)protocol_buffer_count);
62 for (i = 0; i < protocol_buffer_count; ++i) {
63 if (efi_st_memcmp(protocol_buffer[i],
64 &loaded_image_protocol_guid,
65 sizeof(efi_guid_t)))
66 found = true;
67 }
68 if (!found) {
69 efi_st_printf("LoadedImageProtocol not found\n");
70 return EFI_ST_FAILURE;
71 }
72 ret = boottime->free_pool(protocol_buffer);
73 if (ret != EFI_SUCCESS) {
74 efi_st_error("FreePool failed\n");
75 return EFI_ST_FAILURE;
76 }
77
78 /*
79 * Open the loaded image protocol.
80 */
81 ret = boottime->open_protocol(image_handle, &loaded_image_protocol_guid,
82 (void **)&loaded_image_protocol, NULL,
83 NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL);
84 if (ret != EFI_SUCCESS) {
85 efi_st_error("OpenProtocol failed\n");
86 return EFI_ST_FAILURE;
87 }
88 if (loaded_image_protocol->revision !=
89 EFI_LOADED_IMAGE_PROTOCOL_REVISION) {
90 efi_st_printf("Incorrect revision\n");
91 return EFI_ST_FAILURE;
92 }
93 if (!loaded_image_protocol->system_table ||
94 loaded_image_protocol->system_table->hdr.signature !=
95 EFI_SYSTEM_TABLE_SIGNATURE) {
96 efi_st_printf("System table reference missing\n");
97 return EFI_ST_FAILURE;
98 }
99
100 return EFI_ST_SUCCESS;
101}
102
103EFI_UNIT_TEST(loadedimage) = {
104 .name = "loaded image",
105 .phase = EFI_EXECUTE_BEFORE_BOOTTIME_EXIT,
106 .setup = setup,
107 .execute = execute,
108};