674eeaa72b
* Same as previous commit * Lets us run this script over and over again without issue Change-Id: I8f3237a1111b31b290d86c76a395485edd4e5bea
142 lines
3.8 KiB
Bash
Executable File
142 lines
3.8 KiB
Bash
Executable File
#!/bin/bash
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#
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# extract:
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#
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# Setup pixel firmware
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#
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#
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##############################################################################
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### SET ###
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# use bash strict mode
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set -euo pipefail
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### TRAPS ###
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# trap signals for clean exit
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trap 'exit $?' EXIT
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trap 'error_m interrupted!' SIGINT
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### CONSTANTS ###
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readonly script_path="$(cd "$(dirname "$0")";pwd -P)"
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readonly vars_path="${script_path}/../vars/"
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readonly top="${script_path}/../../../"
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readonly extract_ota_py="${top}/tools/extract-utils/extract_ota.py"
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readonly work_dir="${WORK_DIR:-/tmp/pixel}"
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source "${vars_path}/devices"
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readonly device="${1}"
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source "${vars_path}/${device}"
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readonly factory_dir="${work_dir}/${device}/${build_id}/factory/${device}-${build_id,,}"
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readonly ota_zip="${work_dir}/${device}/${build_id}/$(basename ${ota_url})"
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readonly ota_firmware_dir="${work_dir}/${device}/${build_id}/firmware"
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readonly vendor_path="${top}/vendor/google/${device}"
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## HELP MESSAGE (USAGE INFO)
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# TODO
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### FUNCTIONS ###
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# Firmware included in our factory images,
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# typically bootloader and radio
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copy_factory_firmware() {
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cp "${factory_dir}"/bootloader-*.img "${vendor_path}/firmware/bootloader.img"
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cp "${factory_dir}"/radio-*.img "${vendor_path}/firmware/radio.img"
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cp "${factory_dir}"/image/android-info.txt "${vendor_path}/android-info.txt"
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}
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# Unpack the seperate partitions needed for OTA
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# from the factory image's bootloader.img
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unpack_firmware() {
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# modem.img
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qc_image_unpacker -i "${factory_dir}"/radio-*.img -o "${ota_firmware_dir}"
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# All other ${firmware_partitions[@]}
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qc_image_unpacker -i "${factory_dir}"/bootloader-*.img -o "${ota_firmware_dir}"
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}
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extract_firmware() {
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echo "${ota_sha256} ${ota_zip}" | sha256sum --check --status
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python3 ${extract_ota_py} ${ota_zip} -o "${ota_firmware_dir}" -p ${firmware_partitions[@]}
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}
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# Firmware included in OTAs, separate partitions
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# Can be extracted from bootloader.img inside the factory image,
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# or directly from the OTA zip
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copy_ota_firmware() {
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for fp in ${firmware_partitions[@]}; do
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cp "${ota_firmware_dir}/${fp}.img" "${vendor_path}/firmware/${fp}.img"
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done
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}
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setup_makefiles() {
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local exists=$(grep firmware "${vendor_path}/BoardConfigVendor.mk")
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if [[ -z "${exists}" ]]; then
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echo >> "${vendor_path}/BoardConfigVendor.mk"
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echo "# firmware">> "${vendor_path}/BoardConfigVendor.mk"
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echo "TARGET_BOARD_INFO_FILE := vendor/google/${device}/android-info.txt" >> "${vendor_path}/BoardConfigVendor.mk"
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echo >> "${vendor_path}/BoardConfigVendor.mk"
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fi
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local exists2=$(grep firmware "${vendor_path}/Android.mk")
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if [[ -z "${exists2}" ]]; then
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# I don't like this
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sed -i /endif/d "${vendor_path}/Android.mk"
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echo >> "${vendor_path}/Android.mk"
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echo "# firmware" >> "${vendor_path}/Android.mk"
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echo "\$(call add-radio-file,firmware/bootloader.img,version-bootloader)" >> "${vendor_path}/Android.mk"
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echo "\$(call add-radio-file,firmware/radio.img,version-baseband)" >> "${vendor_path}/Android.mk"
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for fp in ${firmware_partitions[@]}; do
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echo "\$(call add-radio-file,firmware/${fp}.img)" >> "${vendor_path}/Android.mk"
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done
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echo >> "${vendor_path}/Android.mk"
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# I still don't like this
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echo endif >> "${vendor_path}/Android.mk"
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fi
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}
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# error message
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# ARG1: error message for STDERR
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# ARG2: error status
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error_m() {
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echo "ERROR: ${1:-'failed.'}" 1>&2
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return "${2:-1}"
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}
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# print help message.
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help_message() {
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echo "${help_message:-'No help available.'}"
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}
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main() {
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mkdir -p "${ota_firmware_dir}"
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mkdir -p "${vendor_path}/firmware"
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copy_factory_firmware
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# Not all devices need OTA, most are supported in image_unpacker
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if [[ -n ${needs_ota-} ]]; then
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extract_firmware
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else
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unpack_firmware
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fi
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copy_ota_firmware
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setup_makefiles
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}
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### RUN PROGRAM ###
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main "${@}"
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##
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