#!/bin/bash
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# this project absolute path
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PRJ_PATH=$(cd $(dirname "${BASH_SOURCE[0]}") && pwd)
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# top project absolute path
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TOP_PATH=$(realpath $PRJ_PATH/..)
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# SDK build workspace
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SDK_DIR=linuxsdk_build
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# binaries build prefix install path
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PRFX_PATH=$PRJ_PATH/install
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# binaries finally install path if needed
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#INST_PATH=/tftp
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# download taballs path
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TARBALL_PATH=$PRJ_PATH/tarballs
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# config file path
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CONF_FILE=$TOP_PATH/config.json
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# shell script will exit once get command error
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set -e
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#+-------------------------+
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#| Shell script functions |
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#+-------------------------+
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function pr_error() {
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echo -e "\033[40;31m $1 \033[0m"
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}
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function pr_warn() {
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echo -e "\033[40;33m $1 \033[0m"
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}
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function pr_info() {
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echo -e "\033[40;32m $1 \033[0m"
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}
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# decompress a packet to destination path
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function do_unpack()
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{
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tarball=$1
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dstpath=`pwd`
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if [[ $# == 2 ]] ; then
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dstpath=$2
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fi
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pr_info "decompress $tarball => $dstpath"
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mkdir -p $dstpath
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case $tarball in
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*.tar.gz)
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tar -xzf $tarball -C $dstpath
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;;
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*.tgz)
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tar -xzf $tarball -C $dstpath
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;;
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*.tar.bz2)
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tar -xjf $tarball -C $dstpath
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;;
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*.tar.xz)
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tar -xJf $tarball -C $dstpath
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;;
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*.tar.zst)
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tar -I zstd -xf $tarball -C $dstpath
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;;
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*.tar)
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tar -xf $tarball -C $dstpath
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;;
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*.zip)
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unzip -qo $tarball -d $dstpath
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;;
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*)
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pr_error "decompress Unsupport packet: $tarball"
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return 1;
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;;
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esac
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}
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# parser configure file and export environment variable
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function export_env()
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{
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export BOARD=`jq -r ".board" $CONF_FILE | tr 'A-Z' 'a-z'`
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export SDK_VER=`jq -r ".linux.sdk_ver" $CONF_FILE`
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export SDK_PATH=`jq -r ".linux.sdk_path" $CONF_FILE`
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export DISTRO=`jq -r ".linux.distro" $CONF_FILE | tr 'A-Z' 'a-z'`
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export ARCH=arm64
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if [[ $BOARD =~ igkboard-rk3568 ]] ; then
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LAUNCH_BOARD=rockchip_rk3568_evb1_ddr4_v10_defconfig
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fi
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PYTHON_VERSION=$(python --version 2>&1 | awk '{print $2}' | cut -d. -f1)
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if [ $PYTHON_VERSION != "3" ] ; then
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PYTHON_VERSION=$(python --version 2>&1)
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pr_error "ERROR: This SDK build need Python3, current version is $PYTHON_VERSION"
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pr_warn "You can use 'sudo update-alternatives --config python' command to switch it"
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exit
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fi
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}
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function do_fetch()
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{
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SDK_FPATH=$SDK_PATH/$SDK_VER
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SDK_FLAG=$SDK_DIR/kernel/Makefile
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cd $PRJ_PATH
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if [ -e $SDK_FLAG ] ; then
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pr_warn "SDK source code fetched already, skip do fetch"
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return ;
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fi
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if [ ! -d $SDK_DIR/.repo ] ; then
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if [ ! -d $SDK_FPATH ] ; then
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pr_error "ERROR: SDK package folder '$SDK_FPATH' doesn't exist!"
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exit
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fi
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SDK_FILE=`ls $SDK_FPATH/*.tar.bz2 | head -n 1`
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pr_info "decompress SDK tarball $SDK_FILE..."
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do_unpack $SDK_FILE $SDK_DIR
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fi
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if [ ! -e $SDK_FLAG ] ; then
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pr_info "repo sync to checkout source code..."
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cd $SDK_DIR
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./.repo/repo/repo sync -l
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fi
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}
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function do_patch()
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{
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PATCH_FLAG="$SDK_DIR/kernel/arch/arm64/configs/rockchip_linux_defconfig"
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cd $PRJ_PATH
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if grep -q '^CONFIG_CAN=y' $PATCH_FLAG ; then
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pr_warn "INFO: Patch for Linux SDK already"
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return ;
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fi
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pr_info "patch for linux kernel..."
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cd $SDK_DIR/kernel
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patch -p1 < $PRJ_PATH/patches/kernel.patch
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cd -
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pr_info "patch for linux buildroot..."
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cd $SDK_DIR/buildroot
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patch -p1 < $PRJ_PATH/patches/buildroot.patch
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cd -
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}
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function do_build()
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{
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cd $PRJ_PATH
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pr_info "start build $LAUNCH_BOARD..."
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cd $SDK_DIR
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./build.sh lunch:${LAUNCH_BOARD}
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RK_ROOTFS_SYSTEM=$DISTRO ./build.sh
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pr_info "System image will be installed to $SDK_DIR/rockdev"
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ls ./rockdev
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}
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#+-------------------------+
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#| Shell script body entry |
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#+-------------------------+
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export_env
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pr_warn "start build linux kernel for ${BOARD}"
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do_fetch
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do_patch
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do_build
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