mirror of https://github.com/CalyxOS/scripts
178 lines
5.1 KiB
Bash
Executable File
178 lines
5.1 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
# SPDX-FileCopyrightText: 2022 The Calyx Institute
|
|
#
|
|
# SPDX-License-Identifier: Apache-2.0
|
|
|
|
#
|
|
# extract:
|
|
#
|
|
# Setup pixel firmware
|
|
#
|
|
#
|
|
##############################################################################
|
|
|
|
|
|
### SET ###
|
|
|
|
# use bash strict mode
|
|
set -euo pipefail
|
|
|
|
|
|
### TRAPS ###
|
|
|
|
# trap signals for clean exit
|
|
trap 'exit $?' EXIT
|
|
trap 'error_m interrupted!' SIGINT
|
|
|
|
### CONSTANTS ###
|
|
readonly script_path="$(cd "$(dirname "$0")";pwd -P)"
|
|
readonly vars_path="${script_path}/../vars"
|
|
readonly top="${script_path}/../../.."
|
|
|
|
readonly fbpacktool="${top}/calyx/scripts/fbpacktool/fbpacktool.py"
|
|
readonly qc_image_unpacker="${top}/prebuilts/extract-tools/linux-x86/bin/qc_image_unpacker"
|
|
readonly extract_ota_py="${top}/tools/extract-utils/extract_ota.py"
|
|
|
|
readonly work_dir="${WORK_DIR:-/tmp/pixel}"
|
|
|
|
source "${vars_path}/pixels"
|
|
|
|
readonly device="${1}"
|
|
source "${vars_path}/${device}"
|
|
|
|
readonly _wifi_only="${wifi_only:-false}"
|
|
|
|
readonly factory_dir="${work_dir}/${device}/${build_id}/factory/${device}-${build_id,,}"
|
|
readonly ota_zip="${work_dir}/${device}/${build_id}/$(basename ${ota_url})"
|
|
readonly ota_firmware_dir="${work_dir}/${device}/${build_id}/firmware"
|
|
|
|
readonly vendor_path="${top}/vendor/google/${device}"
|
|
|
|
## HELP MESSAGE (USAGE INFO)
|
|
# TODO
|
|
|
|
### FUNCTIONS ###
|
|
|
|
# Firmware included in our factory images,
|
|
# typically bootloader and radio
|
|
copy_factory_firmware() {
|
|
cp "${factory_dir}"/bootloader-*.img "${vendor_path}/firmware/"
|
|
if [[ "${_wifi_only}" != "true" ]]; then
|
|
cp "${factory_dir}"/radio-*.img "${vendor_path}/firmware/"
|
|
fi
|
|
cp "${factory_dir}"/image/android-info.txt "${vendor_path}/android-info.txt"
|
|
}
|
|
|
|
# Unpack the seperate partitions needed for OTA
|
|
# from the factory image's bootloader.img
|
|
unpack_firmware() {
|
|
local fbpk="${fbpk_version:-v1}"
|
|
|
|
if [[ "${_wifi_only}" != "true" ]]; then
|
|
# modem.img
|
|
"${qc_image_unpacker}" -i "${factory_dir}"/radio-*.img -o "${ota_firmware_dir}"
|
|
# Alternative: dd bs=4 skip=35
|
|
fi
|
|
|
|
if [[ "$fbpk" == "v1" ]]; then
|
|
# All other ${firmware_partitions[@]}
|
|
"${qc_image_unpacker}" -i "${factory_dir}"/bootloader-*.img -o "${ota_firmware_dir}"
|
|
else
|
|
# All other ${firmware_partitions[@]}
|
|
python3 "${fbpacktool}" unpack -o "${ota_firmware_dir}" "${factory_dir}"/bootloader-*.img
|
|
fi
|
|
}
|
|
|
|
extract_firmware() {
|
|
echo "${ota_sha256} ${ota_zip}" | sha256sum --check --status
|
|
python3 ${extract_ota_py} ${ota_zip} -o "${ota_firmware_dir}" -p ${firmware_partitions[@]}
|
|
}
|
|
|
|
# Firmware included in OTAs, separate partitions
|
|
# Can be extracted from bootloader.img inside the factory image,
|
|
# or directly from the OTA zip
|
|
copy_ota_firmware() {
|
|
for fp in ${firmware_partitions[@]}; do
|
|
cp "${ota_firmware_dir}/${fp}.img" "${vendor_path}/firmware/${fp}.img"
|
|
done
|
|
}
|
|
|
|
setup_makefiles() {
|
|
local exists=$(grep firmware "${vendor_path}/BoardConfigVendor.mk")
|
|
if [[ -z "${exists}" ]]; then
|
|
echo >> "${vendor_path}/BoardConfigVendor.mk"
|
|
echo "# firmware" >> "${vendor_path}/BoardConfigVendor.mk"
|
|
echo "TARGET_BOARD_INFO_FILE := vendor/google/${device}/android-info.txt" >> "${vendor_path}/BoardConfigVendor.mk"
|
|
echo >> "${vendor_path}/BoardConfigVendor.mk"
|
|
echo "AB_OTA_PARTITIONS += \\" >> "${vendor_path}/BoardConfigVendor.mk"
|
|
for fp in ${firmware_partitions[@]}; do
|
|
echo " ${fp} \\" >> "${vendor_path}/BoardConfigVendor.mk"
|
|
done
|
|
echo >> "${vendor_path}/BoardConfigVendor.mk"
|
|
fi
|
|
|
|
local exists2=$(grep firmware "${vendor_path}/Android.mk")
|
|
if [[ -z "${exists2}" ]]; then
|
|
# I don't like this
|
|
sed -i /endif/d "${vendor_path}/Android.mk"
|
|
|
|
local bootloader_version=$(cat "${vendor_path}/android-info.txt" | grep version-bootloader | cut -d = -f 2)
|
|
if [[ "${_wifi_only}" != "true" ]]; then
|
|
local radio_version=$(cat "${vendor_path}/android-info.txt" | grep version-baseband | cut -d = -f 2)
|
|
fi
|
|
|
|
echo >> "${vendor_path}/Android.mk"
|
|
echo "# firmware" >> "${vendor_path}/Android.mk"
|
|
echo "\$(call add-radio-file,firmware/bootloader-${device}-${bootloader_version,,}.img,version-bootloader)" >> "${vendor_path}/Android.mk"
|
|
if [[ "${_wifi_only}" != "true" ]]; then
|
|
echo "\$(call add-radio-file,firmware/radio-${device}-${radio_version,,}.img,version-baseband)" >> "${vendor_path}/Android.mk"
|
|
fi
|
|
|
|
for fp in ${firmware_partitions[@]}; do
|
|
echo "\$(call add-radio-file,firmware/${fp}.img)" >> "${vendor_path}/Android.mk"
|
|
done
|
|
echo >> "${vendor_path}/Android.mk"
|
|
|
|
# I still don't like this
|
|
echo endif >> "${vendor_path}/Android.mk"
|
|
fi
|
|
}
|
|
|
|
# error message
|
|
# ARG1: error message for STDERR
|
|
# ARG2: error status
|
|
error_m() {
|
|
echo "ERROR: ${1:-'failed.'}" 1>&2
|
|
return "${2:-1}"
|
|
}
|
|
|
|
# print help message.
|
|
help_message() {
|
|
echo "${help_message:-'No help available.'}"
|
|
}
|
|
|
|
main() {
|
|
rm -rf "${ota_firmware_dir}"
|
|
mkdir -p "${ota_firmware_dir}"
|
|
rm -rf "${vendor_path}/firmware"
|
|
mkdir -p "${vendor_path}/firmware"
|
|
|
|
copy_factory_firmware
|
|
# Not all devices need OTA, most are supported in image_unpacker
|
|
if [[ -n ${needs_ota-} ]]; then
|
|
extract_firmware
|
|
else
|
|
unpack_firmware
|
|
fi
|
|
copy_ota_firmware
|
|
setup_makefiles
|
|
}
|
|
|
|
### RUN PROGRAM ###
|
|
|
|
main "${@}"
|
|
|
|
|
|
##
|