c944f917a5
All Pixels modem.img: fbpack version 1
QCOM Pixels bootloader.img: fbpack version 1
Tensor Pixels bootloader.img: fbpack version 2
Test:
export WORK_DIR=/some/dir/with/factory/images
source vendor/lineage/vars/pixels
for d in ${devices[@]}; do lineage/scripts/pixel/firmware.sh $d; done
for d in ${devices[@]}; do git -C vendor/google/$d status; done
Co-authored-by: Chirayu Desai <chirayudesai1@gmail.com>
Change-Id: Ic1990f75a6be515e5d91d65e3ddf88b8e0c90001
137 lines
3.4 KiB
Bash
Executable File
137 lines
3.4 KiB
Bash
Executable File
#!/bin/bash
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# SPDX-FileCopyrightText: 2022 The Calyx Institute
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#
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# SPDX-License-Identifier: Apache-2.0
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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}/../../../vendor/lineage/vars"
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readonly top="${script_path}/../../.."
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readonly fbpacktool="${top}/lineage/scripts/fbpacktool/fbpacktool.py"
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readonly qc_image_unpacker="${top}/prebuilts/extract-tools/linux-x86/bin/qc_image_unpacker"
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readonly extract_ota_py="${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}/pixels"
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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="${top}/vendor/firmware/${device}"
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## HELP MESSAGE (USAGE INFO)
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# TODO
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### FUNCTIONS ###
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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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local fbpk="${fbpk_version:-v1}"
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# modem.img
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"${qc_image_unpacker}" -i "${factory_dir}"/radio-*.img -o "${ota_firmware_dir}"
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# Alternative: dd bs=4 skip=35
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if [[ "$fbpk" == "v1" ]]; then
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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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else
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# All other ${firmware_partitions[@]}
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python3 "${fbpacktool}" unpack -o "${ota_firmware_dir}" "${factory_dir}"/bootloader-*.img
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fi
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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}/radio/${fp}.img"
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done
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}
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setup_makefiles() {
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echo "AB_OTA_PARTITIONS += \\" > "${vendor_path}/config.mk"
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for fp in ${firmware_partitions[@]}; do
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echo " ${fp} \\" >> "${vendor_path}/config.mk"
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done
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echo "LOCAL_PATH := \$(call my-dir)" > "${vendor_path}/firmware.mk"
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echo >> "${vendor_path}/firmware.mk"
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echo "ifeq (\$(TARGET_DEVICE),${device})" >> "${vendor_path}/firmware.mk"
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for fp in ${firmware_partitions[@]}; do
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echo "\$(call add-radio-file,radio/${fp}.img)" >> "${vendor_path}/firmware.mk"
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done
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echo "endif" >> "${vendor_path}/firmware.mk"
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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 "${help_message:-'No help available.'}"
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}
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main() {
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rm -rf "${ota_firmware_dir}"
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mkdir -p "${ota_firmware_dir}"
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rm -rf "${vendor_path}/radio"
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mkdir -p "${vendor_path}/radio"
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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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