mcuboot/boot/nuttx/main.c

138 lines
4.0 KiB
C

/****************************************************************************
* boot/nuttx/main.c
*
* Copyright (c) 2021 Espressif Systems (Shanghai) Co., Ltd.
*
* 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <syslog.h>
#include <sys/boardctl.h>
#include <bootutil/bootutil.h>
#include <bootutil/image.h>
#include "flash_map_backend/flash_map_backend.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Should we perform board-specific driver initialization? There are two
* ways that board initialization can occur: 1) automatically via
* board_late_initialize() during bootupif CONFIG_BOARD_LATE_INITIALIZE
* or 2).
* via a call to boardctl() if the interface is enabled
* (CONFIG_BOARDCTL=y).
* If this task is running as an NSH built-in application, then that
* initialization has probably already been performed otherwise we do it
* here.
*/
#undef NEED_BOARDINIT
#if defined(CONFIG_BOARDCTL) && !defined(CONFIG_NSH_ARCHINIT)
# define NEED_BOARDINIT 1
#endif
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* do_boot
****************************************************************************/
static void do_boot(struct boot_rsp *rsp)
{
const struct flash_area *flash_area;
struct boardioc_boot_info_s info;
int area_id;
int ret;
area_id = flash_area_id_from_image_offset(rsp->br_image_off);
ret = flash_area_open(area_id, &flash_area);
assert(ret == OK);
syslog(LOG_INFO, "Booting from %s...\n", flash_area->fa_mtd_path);
info.path = flash_area->fa_mtd_path;
info.header_size = rsp->br_hdr->ih_hdr_size;
flash_area_close(flash_area);
if (boardctl(BOARDIOC_BOOT_IMAGE, (uintptr_t)&info) != OK)
{
syslog(LOG_ERR, "Failed to load application image!\n");
FIH_PANIC;
}
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* main
****************************************************************************/
int main(int argc, FAR char *argv[])
{
struct boot_rsp rsp;
FIH_DECLARE(fih_rc, FIH_FAILURE);
#ifdef NEED_BOARDINIT
/* Perform architecture-specific initialization (if configured) */
boardctl(BOARDIOC_INIT, 0);
#ifdef CONFIG_BOARDCTL_FINALINIT
/* Perform architecture-specific final-initialization (if configured) */
boardctl(BOARDIOC_FINALINIT, 0);
#endif
#endif
syslog(LOG_INFO, "*** Booting MCUboot build %s ***\n", CONFIG_MCUBOOT_VERSION);
#ifdef CONFIG_MCUBOOT_WATCHDOG
int ret = mcuboot_watchdog_init();
if (ret < 0)
{
syslog(LOG_ERR, "Unable to initialize the watchdog timer\n");
FIH_PANIC;
}
#endif
FIH_CALL(boot_go, fih_rc, &rsp);
if (FIH_NOT_EQ(fih_rc, FIH_SUCCESS))
{
syslog(LOG_ERR, "Unable to find bootable image\n");
FIH_PANIC;
}
do_boot(&rsp);
while (1);
}