1 /*
2 * Copyright (c) 2021 Nordic Semiconductor ASA
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <assert.h>
18 #include <zephyr/kernel.h>
19 #include "bootutil/image.h"
20 #include "bootutil/bootutil.h"
21 #include "bootutil/fault_injection_hardening.h"
22 #include "flash_map_backend/flash_map_backend.h"
23
24 /* @retval 0: header was read/populated
25 * FIH_FAILURE: image is invalid,
26 * BOOT_HOOK_REGULAR if hook not implemented for the image-slot,
27 * othervise an error-code value.
28 */
boot_read_image_header_hook(int img_index,int slot,struct image_header * img_hed)29 int boot_read_image_header_hook(int img_index, int slot,
30 struct image_header *img_hed)
31 {
32 if (img_index == 1 && slot == 0) {
33 img_hed->ih_magic = IMAGE_MAGIC;
34 return 0;
35 }
36
37 return BOOT_HOOK_REGULAR;
38 }
39
40 /* @retval FIH_SUCCESS: image is valid,
41 * FIH_FAILURE: image is invalid,
42 * fih encoded BOOT_HOOK_REGULAR if hook not implemented for
43 * the image-slot.
44 */
boot_image_check_hook(int img_index,int slot)45 fih_ret boot_image_check_hook(int img_index, int slot)
46 {
47 if (img_index == 1 && slot == 0) {
48 FIH_RET(FIH_SUCCESS);
49 }
50
51 FIH_RET(FIH_BOOT_HOOK_REGULAR);
52 }
53
boot_perform_update_hook(int img_index,struct image_header * img_head,const struct flash_area * area)54 int boot_perform_update_hook(int img_index, struct image_header *img_head,
55 const struct flash_area *area)
56 {
57 if (img_index == 1) {
58 return 0;
59 }
60
61 return BOOT_HOOK_REGULAR;
62 }
63
boot_read_swap_state_primary_slot_hook(int image_index,struct boot_swap_state * state)64 int boot_read_swap_state_primary_slot_hook(int image_index,
65 struct boot_swap_state *state)
66 {
67 if (image_index == 1) {
68 state->magic = BOOT_MAGIC_UNSET;
69 state->swap_type = BOOT_SWAP_TYPE_NONE;
70 state->image_num = image_index ; // ?
71 state->copy_done = BOOT_FLAG_UNSET;
72 state->image_ok = BOOT_FLAG_UNSET;
73
74 return 0;
75 }
76
77 return BOOT_HOOK_REGULAR;
78 }
79
boot_copy_region_post_hook(int img_index,const struct flash_area * area,size_t size)80 int boot_copy_region_post_hook(int img_index, const struct flash_area *area,
81 size_t size)
82 {
83 return 0;
84 }
85
boot_serial_uploaded_hook(int img_index,const struct flash_area * area,size_t size)86 int boot_serial_uploaded_hook(int img_index, const struct flash_area *area,
87 size_t size)
88 {
89 return 0;
90 }
91
boot_img_install_stat_hook(int image_index,int slot,int * img_install_stat)92 int boot_img_install_stat_hook(int image_index, int slot, int *img_install_stat)
93 {
94 return BOOT_HOOK_REGULAR;
95 }
96
