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xiaozhengsheng
2025-08-19 09:49:41 +08:00
parent 10f1ddf1c1
commit 6df0f7d96e
2974 changed files with 1712873 additions and 54 deletions
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components/libraries/bootloader/nrf_bootloader_app_start.c Normal file
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/**
* Copyright (c) 2016 - 2020, Nordic Semiconductor ASA
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form, except as embedded into a Nordic
* Semiconductor ASA integrated circuit in a product or a software update for
* such product, must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* 4. This software, with or without modification, must only be used with a
* Nordic Semiconductor ASA integrated circuit.
*
* 5. Any software provided in binary form under this license must not be reverse
* engineered, decompiled, modified and/or disassembled.
*
* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include <stdint.h>
#include "nrf.h"
#include "nrf_bootloader_app_start.h"
#include "nrf_bootloader_info.h"
#include "nrf_log.h"
#include "nrf_dfu_mbr.h"
#include "nrf_log_ctrl.h"
#include "nrf_bootloader_info.h"
// Do the final stages of app_start. Protect flash and run app. See nrf_bootloader_app_start_final.c
void nrf_bootloader_app_start_final(uint32_t start_addr);
void nrf_bootloader_app_start(void)
{
uint32_t start_addr = MBR_SIZE; // Always boot from end of MBR. If a SoftDevice is present, it will boot the app.
NRF_LOG_DEBUG("Running nrf_bootloader_app_start with address: 0x%08x", start_addr);
uint32_t err_code;
// Disable and clear interrupts
// Notice that this disables only 'external' interrupts (positive IRQn).
NRF_LOG_DEBUG("Disabling interrupts. NVIC->ICER[0]: 0x%x", NVIC->ICER[0]);
NVIC->ICER[0]=0xFFFFFFFF;
NVIC->ICPR[0]=0xFFFFFFFF;
#if defined(__NRF_NVIC_ISER_COUNT) && __NRF_NVIC_ISER_COUNT == 2
NVIC->ICER[1]=0xFFFFFFFF;
NVIC->ICPR[1]=0xFFFFFFFF;
#endif
err_code = nrf_dfu_mbr_irq_forward_address_set();
if (err_code != NRF_SUCCESS)
{
NRF_LOG_ERROR("Failed running nrf_dfu_mbr_irq_forward_address_set()");
}
NRF_LOG_FLUSH();
nrf_bootloader_app_start_final(start_addr);
}