nuttx/tools/espressif/build_mcuboot.sh

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#!/usr/bin/env bash
SCRIPT_NAME=$(basename "${BASH_SOURCE[0]}")
usage() {
echo ""
echo "USAGE: ${SCRIPT_NAME} [-h] -c <chip> -f <config> -p <path> -e <hal>"
echo ""
echo "Where:"
echo " -c <chip> Target chip"
echo " -f <config> Path to file containing configuration options"
echo " -p <path> Path to execute the script"
echo " -e <hal> Path to HAL directory"
echo " -h Show usage and terminate"
echo ""
}
build_mcuboot() {
local target=${1}
local config=${2}
local mcuboot_dir="${exec_path}/mcuboot"
local build_dir=".build-${target}"
local source_dir="boot/espressif"
local output_dir="${exec_path}/out"
local toolchain_file="tools/toolchain-${target}.cmake"
local mcuboot_config
local mcuboot_flashsize
local mcuboot_flashmode
local mcuboot_flashfreq
local make_generator
mcuboot_config=$(realpath "${config:-${exec_path}/mcuboot.conf}")
# Try parsing Flash parameters from the mcuboot config file.
# If not found, let's assume some commonplace values.
mcuboot_flashsize=$(sed -n 's/^CONFIG_ESPTOOLPY_FLASHSIZE_\(.*\)MB=1/\1MB/p' "${mcuboot_config}")
if [ -z "${mcuboot_flashsize}" ]; then
mcuboot_flashsize="4MB"
fi
mcuboot_flashmode=$(sed -n 's/^CONFIG_ESPTOOLPY_FLASHMODE_\(.*\)=1/\L\1/p' "${mcuboot_config}")
if [ -z "${mcuboot_flashmode}" ]; then
mcuboot_flashmode="dio"
fi
mcuboot_flashfreq=$(sed -n 's/^CONFIG_ESPTOOLPY_FLASHFREQ_\(.*\)M=1/\1m/p' "${mcuboot_config}")
if [ -z "${mcuboot_flashfreq}" ]; then
mcuboot_flashfreq="40m"
fi
pushd "${exec_path}" &>/dev/null
mkdir -p "${output_dir}" &>/dev/null
# Build with Ninja if installed
if command -v ninja &>/dev/null; then
make_generator="-GNinja"
fi
# Build bootloader for selected target
cd "${mcuboot_dir}" &>/dev/null
cmake -DCMAKE_TOOLCHAIN_FILE="${toolchain_file}" \
-DMCUBOOT_TARGET="${target}" \
-DMCUBOOT_CONFIG_FILE="${mcuboot_config}" \
-DESP_HAL_PATH="${esp_hal}" \
-DCONFIG_ESP_FLASH_SIZE="${mcuboot_flashsize}" \
-DESP_FLASH_MODE="${mcuboot_flashmode}" \
-DESP_FLASH_FREQ="${mcuboot_flashfreq}" \
-B "${build_dir}" \
"${make_generator}" \
"${source_dir}"
cmake --build "${build_dir}"/
# Copy bootloader binary file to output directory
cp "${build_dir}"/mcuboot_"${target}".bin "${output_dir}"/mcuboot-"${target}".bin &>/dev/null
# Remove build directory
rm -rf "${build_dir}" &>/dev/null
popd &>/dev/null
}
while getopts ":hc:f:p:e:" arg; do
case "${arg}" in
c)
chip=${OPTARG}
;;
f)
config=${OPTARG}
;;
p)
exec_path=${OPTARG}
;;
e)
esp_hal=${OPTARG}
;;
h)
usage
exit 0
;;
*)
usage
exit 1
;;
esac
done
if [ -z "${chip}" ]; then
printf "ERROR: Missing target chip.\n"
usage
exit 1
fi
if ! [ -d "${esp_hal}" ]; then
printf "ERROR: Invalid HAL path.\n"
usage
exit 1
fi
if [ ! -d "${exec_path}" ]; then
printf "ERROR: Invalid exec path.\n"
usage
exit 1
fi
if [ -n "${config}" ] && [ ! -f "${config}" ]; then
printf "ERROR: Configuration file %s not found.\n" "${config}"
usage
exit 1
fi
build_mcuboot "${chip}" "${config}"