################################################################################
## Inheriting configs from ACK
. "${ROOT_DIR}"/msm-kernel/build.config.common
. "${ROOT_DIR}"/msm-kernel/build.config.aarch64

################################################################################
## Variant setup
MSM_ARCH=autoghgvm
VARIANTS=(defconfig debug_defconfig debug-defconfig perf_defconfig perf-defconfig)
[ -z "${VARIANT}" ] && VARIANT=debug_defconfig

if [ -e "${ROOT_DIR}/msm-kernel" ] && [ "${KERNEL_DIR}" = "common" ]; then
    KERNEL_DIR="msm-kernel"
fi

BOOT_IMAGE_HEADER_VERSION=2
BASE_ADDRESS=0x80000000
PAGE_SIZE=4096
BUILD_VENDOR_DLKM=1
SUPER_IMAGE_SIZE=0x10000000
TRIM_UNUSED_MODULES=1
BUILD_INIT_BOOT_IMG=1

[ -z "${DT_OVERLAY_SUPPORT}" ] && DT_OVERLAY_SUPPORT=1

if [ "${KERNEL_CMDLINE_CONSOLE_AUTO}" != "0" ]; then
    KERNEL_VENDOR_CMDLINE+=' console=hvc0 androidboot.first_stage_console=1 '
fi

KERNEL_VENDOR_CMDLINE+=' bootconfig '

################################################################################
## Inheriting MSM configs
. ${KERNEL_DIR}/build.config.msm.common

# Common MSM configuration for using GKI defconfig as a fragment
DEFCONFIG="gki_defconfig"

# boot image macros
BUILD_BOOT_IMG=1
BUILD_INITRAMFS=1

# Apply the perf and debug fragments over the GKI defconfig for a hybrid approach
function build_defconfig_fragments() {
    if [[ "${VARIANT}" =~ ^(perf_defconfig|debug_defconfig|debug-defconfig)$ ]]; then
        echo "build_defconfig_fragments: Applying GKI and debug defconfigs"
        apply_defconfig_fragment "${KERNEL_DIR}/arch/${ARCH}/configs/vendor"/${MSM_ARCH}.config vendor/${MSM_ARCH}_defconfig

        if [ "${VARIANT}" = perf_defconfig ]; then
            return
        fi

        apply_defconfig_fragment "${KERNEL_DIR}/arch/${ARCH}/configs/vendor"/${MSM_ARCH}_debug.config vendor/${MSM_ARCH}-debug_defconfig
    else
        echo "Variant '${VARIANT}' unsupported"
        exit 1
    fi
}

build_defconfig_fragments