836cd05526
This example demonstrate swap between two valid images. Instructions are available at readme.md file inside project directory. Signed-off-by: Gerson Fernando Budke <nandojve@gmail.com>
128 lines
4.1 KiB
C
128 lines
4.1 KiB
C
/****************************************************************************
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* apps/examples/mcuboot/swap_test/version_main.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <endian.h>
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#include <errno.h>
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#include <stdio.h>
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#include <bootutil/bootutil_public.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define BOOT_HEADER_MAGIC_V1 0x96f3b83d
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#define BOOT_HEADER_SIZE_V1 32
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/****************************************************************************
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* Private Types
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****************************************************************************/
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begin_packed_struct struct mcuboot_raw_version_v1_s
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{
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uint8_t major;
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uint8_t minor;
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uint16_t revision;
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uint32_t build_num;
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} end_packed_struct;
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begin_packed_struct struct mcuboot_raw_header_v1_s
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{
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uint32_t header_magic;
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uint32_t image_load_address;
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uint16_t header_size;
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uint16_t pad;
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uint32_t image_size;
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uint32_t image_flags;
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struct mcuboot_raw_version_v1_s version;
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uint32_t pad2;
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} end_packed_struct;
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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static int boot_read_v1_header(uint8_t area_id,
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struct mcuboot_raw_header_v1_s *raw_header)
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{
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const struct flash_area *fa;
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int rc;
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rc = flash_area_open(area_id, &fa);
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if (rc)
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{
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return rc;
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}
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rc = flash_area_read(fa, 0, raw_header,
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sizeof(struct mcuboot_raw_header_v1_s));
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flash_area_close(fa);
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if (rc)
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{
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return rc;
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}
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raw_header->header_magic = le32toh(raw_header->header_magic);
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raw_header->image_load_address = le32toh(raw_header->image_load_address);
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raw_header->header_size = le16toh(raw_header->header_size);
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raw_header->image_size = le32toh(raw_header->image_size);
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raw_header->image_flags = le32toh(raw_header->image_flags);
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raw_header->version.revision = le16toh(raw_header->version.revision);
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raw_header->version.build_num = le32toh(raw_header->version.build_num);
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if ((raw_header->header_magic != BOOT_HEADER_MAGIC_V1)
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|| (raw_header->header_size < BOOT_HEADER_SIZE_V1))
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{
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return -EIO;
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}
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return 0;
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}
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/****************************************************************************
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* mcuboot_version_main
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****************************************************************************/
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int main(int argc, FAR char *argv[])
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{
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int rc;
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struct mcuboot_raw_header_v1_s raw_header;
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rc = boot_read_v1_header(0, &raw_header);
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if (rc)
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{
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printf("Only header version 1 can be read. Abort!\n");
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return rc;
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}
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printf("Image version %d.%d.%d.%ld\n", raw_header.version.major,
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raw_header.version.minor,
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raw_header.version.revision,
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raw_header.version.build_num);
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return 0;
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}
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