# SPDX-License-Identifier: GPL-2.0
#!/bin/bash
# common build rules useful for out-of-tree Linux driver builds
#
distro_info_dict=(/etc/anolis-release \
		/etc/bclinux-release \
		/etc/openEuler-release)
OS_KEY=""
distro_version=""
exit_not_found_failure() { exit 3; }

find_distro_info()
{
	# Save the first valid kernel source path
	for file in "${distro_info_dict[@]}"; do
		if [ -f ${file} ]; then
			distro_version=${file}
			break
		fi
	done
}

get_os_key()
{
	if [ -z "${distro_version}" ]; then
		CFLAGS_KEY=""
		return
	fi
	distro_info=`cat ${distro_version}`
	if [ -z "${distro_info}" ]; then
		echo "cat ${distro_info} is null"
	fi
	case $distro_info in
	"Anolis OS release 8.8")
		echo "You system is Anolis OS release 8.8"
		OS_KEY="anolis-8.8"
		CFLAGS_KEY="-DSNIC_ANOLIS_VERSION14"
		;;
	"Anolis OS release 8.6")
		echo "You system is Anolis OS release 8.6"
		OS_KEY="anolis-8.6"
		CFLAGS_KEY="-DSNIC_ANOLIS_VERSION14"
		;;
	"BigCloud Enterprise Linux release 21.10U4 LTS")
		echo "You system is BigCloud Enterprise Linux release 21.10U4 LTS"
		OS_KEY="bclinux-21.10U4"
		CFLAGS_KEY="-DBCLINUX2110U4"
		;;
	*)
		echo "You system is $distro_info"
		CFLAGS_KEY=""
		OS_KEY="default"
		;;
	esac
}





usage() {
	echo "Usage: $0 [all | anolis_kernel | openeuler_kernel | clean]"
	echo "all              : build all kernels"
	echo "anolis_kernel    : build snic with anolis 5.10.134-14"
	echo "openeuler_kernel : build snic with openeuler 5.10.0-136.12"
	echo "clean            : clean the anolis the kernel"
	exit 1
}


if [ $# -eq 0 ]; then
	usage
fi

find_distro_info
get_os_key

case "$1" in
	anolis_kernel)
		echo "Build nic modules"
		echo "build crete core modules"
		cd crete-core
		make EXTRA_CFLAGS="-DSNIC_ANOLIS_VERSION14"
		make install
		cd ..
		echo "build crete pnic modules"
		cd crete-pnic
		make EXTRA_CFLAGS="-DSNIC_ANOLIS_VERSION14"
		;;
	openeuler_kernel)
		echo "Build nic modules"
		echo "build crete core modules"
		cd crete-core
		make clean
		make EXTRA_CFLAGS="-DSNIC_OPENEULER_VERSION136"
		make install
		cd ..
		echo "build crete pnic modules"
		cd crete-pnic
		make clean
		make EXTRA_CFLAGS="-DSNIC_OPENEULER_VERSION136"
		cd ../
		echo "build crete vdpa modules"
		cd crete-vnet
		./build_euler.sh
		;;
	all)
		echo "Build nic modules"
		echo "build crete core modules"
		echo "EXTRA_CFLAGS is $CFLAGS_KEY"
		cd crete-core
		make clean
		make EXTRA_CFLAGS=$CFLAGS_KEY
		cd ..
		echo "build crete pnic modules"
		cd crete-pnic
		make clean
		make EXTRA_CFLAGS=$CFLAGS_KEY
		;;
	clean)
		echo "Clean build dir ......"
		cd crete-core
		make clean
		cd ..
		cd crete-pnic
		make clean
		;;
	*)
		usage
		;;
esac

echo "Building kernel..."

echo "Building kernel..."