################################################################################
# Common MSM configuration for building GKI-based kernels
DEFCONFIG="gki_defconfig"

# Configuration options to build images for MSM targets
# Must be included AFTER build.config.msm.<target>

MODULES_LIST=${KERNEL_DIR}/modules.list.${CONFIG_TARGET}

# boot image macros
BUILD_BOOT_IMG=1
BUILD_INITRAMFS=1

ABI_DEFINITION=android/abi_gki_aarch64.xml
KMI_SYMBOL_LIST=android/abi_gki_aarch64_qcom
ADDITIONAL_KMI_SYMBOL_LISTS="
android/abi_gki_aarch64
android/abi_gki_aarch64_core
android/abi_gki_aarch64_db845c
android/abi_gki_aarch64_exynos
android/abi_gki_aarch64_exynosauto
android/abi_gki_aarch64_fips140
android/abi_gki_aarch64_galaxy
android/abi_gki_aarch64_generic
android/abi_gki_aarch64_hikey960
android/abi_gki_aarch64_imx
android/abi_gki_aarch64_mtk
android/abi_gki_aarch64_oplus
android/abi_gki_aarch64_rockchip
android/abi_gki_aarch64_unisoc
android/abi_gki_aarch64_virtual_device
android/abi_gki_aarch64_vivo
android/abi_gki_aarch64_xiaomi
"
KMI_SYMBOL_LIST_MODULE_GROUPING=0
KMI_SYMBOL_LIST_ADD_ONLY=1
KMI_ENFORCED=1

MAKE_GOALS="modules dtbs"
GKI_KERNEL_DIR=common
GKI_BUILD_CONFIG=${GKI_KERNEL_DIR}/build.config.gki.aarch64
GKI_SKIP_IF_VERSION_MATCHES=1
GKI_SKIP_CP_KERNEL_HDR=1

function sanity_check_abi() {
	if [ -z "${GKI_BUILD_CONFIG}" ] ; then
		# When running build_abi.sh, mixed build is explicitly disabled
		# In that case, turn on some options for trimming and strict mode
		# which would normally be disabled because they conflict with
		# mixed build
		if [ "${VARIANT}" = gki ]; then
			TRIM_NONLISTED_KMI=1
			KMI_SYMBOL_LIST_STRICT_MODE=1
		fi
		return
	fi

	if ! diff -q "${ROOT_DIR}/${KERNEL_DIR}/android/abi_gki_aarch64.xml" \
		     "${ROOT_DIR}/${GKI_KERNEL_DIR}/android/abi_gki_aarch64.xml" ; then
		echo "Suspected ABI differences between ${BRANCH} and GKI kernel tree."
		echo "Are trees in sync?"
		exit 1
	fi
}
append_cmd POST_DEFCONFIG_CMDS 'sanity_check_abi'

function build_defconfig_fragments() {
	if [[ "${VARIANT}" =~ ^(gki|consolidate)$ ]]; then
		apply_defconfig_fragment ${KERNEL_DIR}/arch/${ARCH}/configs/vendor/${MSM_ARCH}_GKI.config vendor/${MSM_ARCH}-gki_defconfig
		if [ "${VARIANT}" = gki ]; then
			return
		fi
		GKI_BUILD_CONFIG=common/build.config.gki-debug.aarch64
		GKI_GKI_DEFCONFIG_FRAGMENT=common/build.config.gki_consolidate.aarch64
		# ABI comparison isn't applicable on consolidate variant
		unset ABI_DEFINITION
		apply_defconfig_fragment common/arch/${ARCH}/configs/consolidate.fragment consolidate_defconfig
		apply_defconfig_fragment ${KERNEL_DIR}/arch/${ARCH}/configs/vendor/${MSM_ARCH}_consolidate.config vendor/${MSM_ARCH}-consolidate_defconfig
	elif [ "${VARIANT}" = gki-ack ]; then
		# In gki-only, then using ACK's GKI config directly
		. ${KERNEL_DIR}/build.config.gki
	else
		echo "Variant '${VARIANT}' unsupported by gki"
		exit 1
	fi
}
build_defconfig_fragments