336 lines
7.9 KiB
Plaintext
336 lines
7.9 KiB
Plaintext
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# SPDX-License-Identifier: GPL-2.0
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#
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#!/bin/bash
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function usage ()
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{
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echo $0 'Check for kernel defconfig mismacth'
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echo 'Usage:'
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echo ' '$0' [-c] [-u] [defconfig-files]'
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echo ' -c Check changed defconfigs from last git commit'
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echo ' -u Update defconfig if no mismatch is found'
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echo ' -h This help'
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exit 0
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}
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function build_config_parse ()
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{
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build_config=$1
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CC="undef"
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LD="undef"
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NM="undef"
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OBJCOPY="undef"
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cc=`cat ${build_config} | grep ^CC= | cut -d'=' -f 2`
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ld=`cat ${build_config} | grep ^LD= | cut -d'=' -f 2`
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nm=`cat ${build_config} | grep ^NM= | cut -d'=' -f 2`
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objcopy=`cat ${build_config} | grep ^OBJCOPY= | cut -d'=' -f 2`
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if [ $cc == clang ]; then
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toolchain=`cat ${build_config} | grep CLANG_PREBUILT_BIN | cut -d'=' -f 2`
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CC="${PWD}/../${toolchain}/${cc}"
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LD="${PWD}/../${toolchain}/${ld}"
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NM="${PWD}/../${toolchain}/${nm}"
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OBJCOPY="${PWD}/../${toolchain}/${objcopy}"
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else
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toolchain=`cat ${build_config} | grep LINUX_GCC_CROSS_COMPILE_PREBUILTS_BIN | cut -d'=' -f 2`
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cross_compile=`cat ${build_config} | grep ^CROSS_COMPILE | cut -d'=' -f 2`
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CC="${PWD}/../${toolchain}/${cross_compile}${cc}"
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fi
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}
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function build_config_read ()
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{
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build_config_parse ${ARM_CONFIG}
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CC_ARM="${CC}"
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LD_ARM="${LD}"
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build_config_parse ${ARM64_CONFIG}
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CC_ARM64="${CC}"
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LD_ARM64="${LD}"
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NM_ARM64="${NM}"
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OBJCOPY_ARM64="${OBJCOPY}"
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build_config_parse ${ARM64_GCC_CONFIG}
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CC_ARM64_GCC="${CC}"
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LD_ARM64_GCC="${LD}"
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build_config_parse ${KASAN_CONFIG}
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CC_KASAN="${CC}"
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LD_KASAN="${LD}"
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build_config_parse ${UBSAN_CONFIG}
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CC_UBSAN="${CC}"
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LD_UBSAN="${LD}"
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}
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function toolchain_check ()
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{
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if [ ! -d "../${TOOLCHAIN_CLANG_PATH}/linux-x86" ]; then
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echo "CLANG does not exist, clone it"
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mkdir -p "../${TOOLCHAIN_CLANG_PATH}"
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cd "../${TOOLCHAIN_CLANG_PATH}"
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git clone "http://gerrit.mediatek.inc:8080/${TOOLCHAIN_CLANG_REPO}"
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cd linux-x86
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git reset --hard ${TOOLCHAIN_CLANG_COMMIT}
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else
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echo "update CLANG to specific commit"
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cd "../${TOOLCHAIN_CLANG_PATH}/linux-x86"
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git reset --hard ${TOOLCHAIN_CLANG_COMMIT}
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fi
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cd ${KERNEL_PATH}
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if [ ! -d "../${TOOLCHAIN_GCC_PATH}/bin" ]; then
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echo "GCC does not exist, clone it"
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rm -rf "../${TOOLCHAIN_GCC_PATH}"
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mkdir -p "../prebuilts/gcc/linux-x86/aarch64"
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cd "../prebuilts/gcc/linux-x86/aarch64"
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git clone "http://gerrit.mediatek.inc:8080/${TOOLCHAIN_GCC_REPO}" -b alps-trunk-r0.basic
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else
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echo "update GCC to the latest codebase"
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cd "../${TOOLCHAIN_GCC_PATH}"
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git pull
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fi
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cd ${KERNEL_PATH}
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}
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CONFIGS=
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UPDATE=0
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CHECK_COMMIT=0
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CHECK_SERVICE=0
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CC=
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LD=
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NM=
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OBJCOPY=
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CC_ARM=
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CC_ARM64=
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CC_ARM64_GCC=
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CC_KASAN=
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CC_UBSAN=
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LD_ARM=
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LD_ARM64=
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LD_ARM64_GCC=
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LD_KASAN=
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LD_UBSAN=
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NM_ARM64=
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OBJCOPY_ARM64=
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ARM_CONFIG='build.config.mtk.arm'
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ARM64_CONFIG='build.config.mtk.aarch64'
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ARM64_GCC_CONFIG='build.config.mtk.aarch64.gcc'
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KASAN_CONFIG='build.config.mtk.aarch64.kasan'
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UBSAN_CONFIG='build.config.mtk.aarch64.ubsan'
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TOOLCHAIN_CLANG_PATH='prebuilts/clang/host'
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TOOLCHAIN_GCC_PATH='prebuilts/gcc/linux-x86/aarch64/aarch64-linux-gnu-6.3.1'
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TOOLCHAIN_CLANG_REPO='platform/prebuilts/clang/host/linux-x86'
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TOOLCHAIN_GCC_REPO='alps/prebuilts/gcc/linux-x86/aarch64/aarch64-linux-gnu-6.3.1'
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TOOLCHAIN_CLANG_COMMIT='252aba16f513a857bc923172f67b0e55e23de35f'
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KERNEL_PATH=${PWD}
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build_config_read
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echo "CC_ARM=${CC_ARM}"
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echo "CC_ARM64=${CC_ARM64}"
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echo "CC_ARM64_GCC=${CC_ARM64_GCC}"
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echo "CC_KASAN=${CC_KASAN}"
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echo "CC_UBSAN=${CC_UBSAN}"
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echo "LD_ARM=${LD_ARM}"
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echo "LD_ARM64=${LD_ARM64}"
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echo "LD_ARM64_GCC=${LD_ARM64_GCC}"
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echo "LD_KASAN=${LD_KASAN}"
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echo "LD_UBSAN=${LD_UBSAN}"
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echo "NM_ARM64=${NM_ARM64}"
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echo "OBJCOPY_ARM64=${OBJCOPY_ARM64}"
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while getopts "cuh" opt; do
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case $opt in
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c)
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if [ $# == 2 ]; then
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CHECK_COMMIT=$2
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if [ ${CHECK_COMMIT} == FETCH_HEAD ]; then
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CHECK_SERVICE=1
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echo Checking from check service
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fi
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else
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CHECK_COMMIT="HEAD"
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fi
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KCONFIG=`git show ${CHECK_COMMIT} --stat | gawk '/\/Kconfig.* +\| +[0-9]*/{print $1}'`
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if [ ".$KCONFIG" != "." ]; then
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echo From git commit: Checking all defconfig due to Kconfig is changed.
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CONFIGS=`grep -rl "CONFIG_MTK_PLATFORM" arch/arm/configs arch/arm64/configs`
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fi
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CONFIGS+=" `git show ${CHECK_COMMIT} --stat-width=500 | gawk '/arch\/(arm64|arm)\/configs\/.*_defconfig +\| +[0-9]*/{print $1}'`"
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CONFIGS=`echo $CONFIGS | xargs -n1 | sort -u | xargs`
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if [ ".$CONFIGS" != "." ]; then
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echo From git commit: Checking $CONFIGS
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else
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echo "Nothing to check"
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exit 0
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fi
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;;
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u)
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UPDATE=1
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;;
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h)
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usage
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;;
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esac
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done
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if [ $# == 0 ]; then
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usage
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fi
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if [ $CHECK_COMMIT == 0 ]; then
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shift $((OPTIND-1))
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CONFIGS="${CONFIGS} $*"
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fi
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check_defconfig() {
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CONFIG=${1}
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UPDATE=${2}
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CC_ARM=${3}
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CC_ARM64=${4}
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CC_ARM64_GCC=${5}
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CC_KASAN=${6}
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CC_UBSAN=${7}
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LD_ARM=${8}
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LD_ARM64=${9}
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LD_ARM64_GCC=${10}
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LD_KASAN=${11}
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LD_UBSAN=${12}
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NM_ARM64=${13}
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OBJCOPY_ARM64=${14}
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FAIL=0
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echo "Checking ${CONFIG}"
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if [ ! -e ${CONFIG} ]; then
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echo warning: defconfig file $CONFIG not found
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return $FAIL
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fi
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echo $CONFIG | grep arch/arm64 > /dev/null
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RETVAL=$?
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if [ $RETVAL != 0 ]; then
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ARCH=arm
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CC=${CC_ARM}
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LD=${LD_ARM}
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else
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ARCH=arm64
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CC=${CC_ARM64}
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LD=${LD_ARM64}
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NM=${NM_ARM64}
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OBJCOPY=${OBJCOPY_ARM64}
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fi
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echo $CONFIG | grep kasan > /dev/null
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RETVAL=$?
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if [ $RETVAL == 0 ]; then
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CC=${CC_KASAN}
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LD=${LD_KASAN}
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fi
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echo $CONFIG | grep ubsan > /dev/null
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RETVAL=$?
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if [ $RETVAL == 0 ]; then
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CC=${CC_UBSAN}
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LD=${LD_UBSAN}
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fi
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OUT=out-$$
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mkdir ${OUT}
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ARGS=()
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if [ -n "${CC}" ]; then
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ARGS+=("CC=${CC}")
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fi
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if [ -n "${LD}" ]; then
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ARGS+=("LD=${LD}")
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fi
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if [ -n "${NM}" ]; then
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ARGS+=("NM=${NM}")
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fi
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if [ -n "${OBJCOPY}" ]; then
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ARGS+=("OBJCOPY=${OBJCOPY}")
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fi
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CMD="make ARCH=${ARCH} ${ARGS[@]} O=${OUT} `basename ${CONFIG}` savedefconfig 2>&1"
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echo $CMD
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OUTPUT="$(${CMD})"
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RETVAL=$?
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echo "$OUTPUT"
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if [ $RETVAL != 0 ]; then
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echo error: Make ${CONFIG} error
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rm -rf ${OUT}
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FAIL=1
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return $FAIL
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fi
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# Check if there is a warning message
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if echo "$OUTPUT" | grep -q "^warning:"; then
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echo error: there is a warning message with Kconfig
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rm -rf ${OUT}
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FAIL=1
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return $FAIL
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fi
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# Check option mismatch
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gawk 'BEGIN{lastf="";} { if (lastf != FILENAME) { if (lastf != "") CHECK=1; lastf=FILENAME; } } \
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/CONFIG_/ { match($0, /CONFIG_[^ =]*/); option=substr($0, RSTART, RLENGTH); \
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if (CHECK==1) { if (option in opts && opts[option]==$0) delete opts[option]; } \
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else { if (option in opts && opts[option]!=$0) dups[option]=$0; opts[option]=$0; } } \
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END { C=0; RET=0; for (i in dups) { RET=1; C++; printf("error: %s duplicate in defconfig\n", i); } \
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for (i in opts) { RET=1; C++; printf("error: %s mismatch\n", i); } exit(RET);}' ${CONFIG} ${OUT}/.config
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RETVAL=$?
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if [ $RETVAL != 0 ]; then
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echo error: ${CONFIG}: defconfig mismatch. Please check Kconfig and follow SOP to update _defconfig.
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rm -rf ${OUT}
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FAIL=1
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return $FAIL
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fi
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if [ $UPDATE == 0 ]; then
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# Compare output, make sure format is correct
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OUTPUT="$(diff -u ${OUT}/defconfig ${CONFIG} 2>&1)"
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RETVAL=$?
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if [ $RETVAL != 0 ]; then
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echo error: ${CONFIG} compare error. Please follow SOP to update _defconfig
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echo "$OUTPUT"
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rm -rf ${OUT}
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FAIL=1
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return $FAIL
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fi
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else
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cp ${OUT}/defconfig ${CONFIG}
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fi
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rm -rf ${OUT}
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return $FAIL
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}
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export -f check_defconfig
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toolchain_check
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parallel check_defconfig ::: $CONFIGS ::: $UPDATE ::: $CC_ARM ::: $CC_ARM64 ::: $CC_ARM64_GCC ::: $CC_KASAN ::: $CC_UBSAN ::: $LD_ARM ::: $LD_ARM64 ::: $LD_ARM64_GCC ::: $LD_KASAN ::: $LD_UBSAN ::: $NM_ARM64 ::: $OBJCOPY_ARM64
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RETVAL=$?
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if [ $RETVAL != 0 ]; then
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echo
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echo Please check the following wiki for detail, thanks!
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echo http://wiki.mediatek.inc/display/KernelStandardization/Check+defconfig+in+kernel+preflight
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echo http://wiki.mediatek.inc/display/KernelStandardization/SOP+to+update+kernel+config
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fi
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if [ ${CHECK_SERVICE} == 1 ]; then
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rm -rf /tmp/prebuilts
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echo Remove toolchain in check service
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fi
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exit $RETVAL
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