# Reference: <https://postmarketos.org/vendorkernel>
# Kernel config based on: arch/arm64/configs/aosp_loire_suzu_defconfig

pkgname="linux-sony-suzu"
pkgver=4.9
pkgrel=0
pkgdesc="Sony Xperia X kernel fork"
arch="aarch64"
_carch="arm64"
_flavor="sony-suzu"
url="https://kernel.org"
license="GPL-2.0-only"
options="!strip !check !tracedeps"
makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev devicepkg-dev dtbtool file bison flex gcc6 gcc6-aarch64 openssl-dev"

# Compiler: GCC 6 (doesn't boot when compiled with newer versions)
if [ "${CC:0:5}" != "gcc6-" ]; then
	CC="gcc6-$CC"
	HOSTCC="gcc6-gcc"
	CROSS_COMPILE="gcc6-$CROSS_COMPILE"
fi

# Source
_repository="kernel"
_commit="6593c13acef86ad284ca49aa890e593855210dd1"
_config="config-${_flavor}.${arch}"
source="
	$pkgname-$_commit.tar.gz::https://github.com/sonyxperiadev/${_repository}/archive/${_commit}.tar.gz
	$_config
"
builddir="$srcdir/${_repository}-${_commit}"

prepare() {
	default_prepare
	downstreamkernel_prepare "$srcdir" "$builddir" "$_config" "$_carch" "$HOSTCC"
}

build() {
	unset LDFLAGS
	make ARCH="$_carch" CC="${CC:-gcc}" \
		KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-postmarketOS"
}

package() {
	# kernel.release
	install -D "$builddir/include/config/kernel.release" \
		"$pkgdir/usr/share/kernel/$_flavor/kernel.release"

	# zImage (find the right one)
	cd "$builddir/arch/$_carch/boot"
	_target="$pkgdir/boot/vmlinuz-$_flavor"
	for _zimg in zImage-dtb Image.gz-dtb *zImage Image; do
		[ -e "$_zimg" ] || continue
		msg "zImage found: $_zimg"
		install -Dm644 "$_zimg" "$_target"
		break
	done
	if ! [ -e "$_target" ]; then
		error "Could not find zImage in $PWD!"
		return 1
	fi
}

sha512sums="c21d609d76ed65bd87e05e0b2874b861fce2af342286f65cf189dd651e54bce34147222880c812ccc7d70ae92d170c2b994c4a94b59fe0f69066240bb67326a2  linux-sony-suzu-6593c13acef86ad284ca49aa890e593855210dd1.tar.gz
4ea6cef4e8cd924299c26d36ca22bd25ad98e594703619738ef13f1e04ac08ac767aefd9cdc22a699cc3020416d2e3cd3bc77ce3e198bf5f37584d6a13fcdcc6  config-sony-suzu.aarch64"