nuttx/tools/esp32/mk_qemu_img.sh
2021-02-22 17:39:33 +00:00

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#!/usr/bin/env bash
############################################################################
# tools/esp32/mk_qemu_img.sh
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership. The
# ASF licenses this file to you 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.
#
############################################################################
SCRIPT_NAME=$(basename "${0}")
BOOTLOADER_IMG=""
PARTITION_IMG=""
NUTTX_IMG="nuttx.bin"
FLASH_IMG="esp32_qemu_img.bin"
usage() {
echo ""
echo "USAGE: ${SCRIPT_NAME} [-h] -b <bootloader> -p <partition_table> [-n <nuttx>] [-i <image_name>]"
echo ""
echo "Where:"
echo " -b <bootloader> path to the bootloader image"
echo " -p <partition_table> path to the partition table image"
echo " -n <nuttx> path to the nuttx image (default nuttx.bin)"
echo " -i <image_name> name of the resulting image (default esp32_qemu_img.bin)"
echo " -h will show this help and terminate"
}
while [ -n "${1}" ]; do
case "${1}" in
-b )
shift
BOOTLOADER_IMG=${1}
;;
-p )
shift
PARTITION_IMG=${1}
;;
-n )
shift
NUTTX_IMG=${1}
;;
-i )
shift
FLASH_IMG=${1}
;;
-h )
usage
exit 0
;;
*)
usage
exit 1
;;
esac
shift
done
# Make sure we have the required argument(s)
if [ -z "${BOOTLOADER_IMG}" ] || [ -z "${PARTITION_IMG}" ] ; then
echo "Missing bootloader and partition table binary images."
usage
exit 1
fi
printf "Generating %s...\n" "${FLASH_IMG}"
printf "\tBootloader: %s\n" "${BOOTLOADER_IMG}"
printf "\tPartition Table: %s\n" "${PARTITION_IMG}"
dd if=/dev/zero bs=1024 count=4096 of="${FLASH_IMG}" && \
dd if="${BOOTLOADER_IMG}" bs=1 seek="$(printf '%d' 0x1000)" of="${FLASH_IMG}" conv=notrunc && \
dd if="${PARTITION_IMG}" bs=1 seek="$(printf '%d' 0x8000)" of="${FLASH_IMG}" conv=notrunc && \
dd if="${NUTTX_IMG}" bs=1 seek="$(printf '%d' 0x10000)" of="${FLASH_IMG}" conv=notrunc
if [ ${?} -ne 0 ]; then
printf "Failed to generate %s.\n" "${FLASH_IMG}"
exit 1
fi
printf "Generated %s successfully!\n" "${FLASH_IMG}"
printf "You can run it with QEMU using:\n"
printf "\tqemu-system-xtensa -nographic -machine esp32 -drive file=%s,if=mtd,format=raw\n" "${FLASH_IMG}"
echo "${FLASH_IMG}" >> nuttx.manifest