trezor-firmware/core/embed/ble_bootloader/dfu/nrf_dfu_svci.c

/**
 * Copyright (c) 2016 - 2021, Nordic Semiconductor ASA
 *
 * All rights reserved.
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 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
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 * 2. Redistributions in binary form, except as embedded into a Nordic
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 * 4. This software, with or without modification, must only be used with a
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#include <stdint.h>
#include <stdbool.h>
#include "nrf_log.h"
#include "nrf_sdm.h"
#include "app_util.h"

#define APP_START_ADDR CODE_START


uint32_t nrf_dfu_svci_vector_table_set(void)
{
    uint32_t err_code;
    uint32_t bootloader_addr = BOOTLOADER_ADDRESS;

    if (bootloader_addr != 0xFFFFFFFF)
    {
        NRF_LOG_INFO("Setting vector table to bootloader: 0x%08x", bootloader_addr);
        err_code = sd_softdevice_vector_table_base_set(bootloader_addr);
        if (err_code != NRF_SUCCESS)
        {
            NRF_LOG_ERROR("Failed running sd_softdevice_vector_table_base_set");
            return err_code;
        }

        return NRF_SUCCESS;
    }

    NRF_LOG_ERROR("No bootloader was found");
    return NRF_ERROR_NO_MEM;
}


uint32_t nrf_dfu_svci_vector_table_unset(void)
{
    uint32_t err_code;

    NRF_LOG_INFO("Setting vector table to main app: 0x%08x", APP_START_ADDR);
    err_code = sd_softdevice_vector_table_base_set(APP_START_ADDR);
    if (err_code != NRF_SUCCESS)
    {
        NRF_LOG_ERROR("Failed running sd_softdevice_vector_table_base_set");
        return err_code;
    }

    return NRF_SUCCESS;
}