mcuboot/boot/zephyr/hooks_sample.c

96 lines
2.6 KiB
C

/*
* Copyright (c) 2021 Nordic Semiconductor ASA
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <assert.h>
#include <zephyr/kernel.h>
#include "bootutil/image.h"
#include "bootutil/bootutil.h"
#include "bootutil/fault_injection_hardening.h"
#include "flash_map_backend/flash_map_backend.h"
/* @retval 0: header was read/populated
* FIH_FAILURE: image is invalid,
* BOOT_HOOK_REGULAR if hook not implemented for the image-slot,
* othervise an error-code value.
*/
int boot_read_image_header_hook(int img_index, int slot,
struct image_header *img_hed)
{
if (img_index == 1 && slot == 0) {
img_hed->ih_magic = IMAGE_MAGIC;
return 0;
}
return BOOT_HOOK_REGULAR;
}
/* @retval FIH_SUCCESS: image is valid,
* FIH_FAILURE: image is invalid,
* fih encoded BOOT_HOOK_REGULAR if hook not implemented for
* the image-slot.
*/
fih_int boot_image_check_hook(int img_index, int slot)
{
if (img_index == 1 && slot == 0) {
FIH_RET(FIH_SUCCESS);
}
FIH_RET(fih_int_encode(BOOT_HOOK_REGULAR));
}
int boot_perform_update_hook(int img_index, struct image_header *img_head,
const struct flash_area *area)
{
if (img_index == 1) {
return 0;
}
return BOOT_HOOK_REGULAR;
}
int boot_read_swap_state_primary_slot_hook(int image_index,
struct boot_swap_state *state)
{
if (image_index == 1) {
state->magic = BOOT_MAGIC_UNSET;
state->swap_type = BOOT_SWAP_TYPE_NONE;
state->image_num = image_index ; // ?
state->copy_done = BOOT_FLAG_UNSET;
state->image_ok = BOOT_FLAG_UNSET;
return 0;
}
return BOOT_HOOK_REGULAR;
}
int boot_copy_region_post_hook(int img_index, const struct flash_area *area,
size_t size)
{
return 0;
}
int boot_serial_uploaded_hook(int img_index, const struct flash_area *area,
size_t size)
{
return 0;
}
int boot_img_install_stat_hook(int image_index, int slot, int *img_install_stat)
{
return BOOT_HOOK_REGULAR;
}