# Maintainer: Alexey Min <alexey.min@gmail.com>
# Kernel config based on: arch/arm64/configs/defconfig

_flavor="postmarketos-qcom-sdm660"
pkgname=linux-$_flavor
pkgver=5.17.0
pkgrel=0
pkgdesc="Close to mainline linux kernel for Qualcomm Snapdragon 660 SoC"
arch="aarch64"
url="https://kernel.org/"
license="GPL-2.0-only"
options="!strip !check !tracedeps
	pmb:cross-native
	pmb:kconfigcheck-nftables
	"
makedepends="bison findutils flex installkernel openssl-dev perl"

_tag="v5.17.0-sdm660"

source="
	linux-$_tag.tar.gz::https://github.com/sdm660-mainline/linux/archive/refs/tags/$_tag.tar.gz
	config-$_flavor.aarch64
"

_carch="arm64"

# for some reason, the directory inside .tar.gz does not match tag name: leading
#     "v" is missing, so we can't use $_tag here
builddir="$srcdir/linux-5.17.0-sdm660"

prepare() {
	default_prepare
	cp -v "$srcdir/config-$_flavor.$CARCH" "$builddir"/.config
}

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

package() {
	# bootloader requires compressed kernel
	install -Dm644 "$builddir/arch/$_carch/boot/Image.gz" \
		"$pkgdir/boot/vmlinuz"

	install -D "$builddir/include/config/kernel.release" \
		"$pkgdir/usr/share/kernel/$_flavor/kernel.release"

	make modules_install dtbs_install \
		ARCH="$_carch" \
		INSTALL_MOD_PATH="$pkgdir" \
		INSTALL_MOD_STRIP=1 \
		INSTALL_DTBS_PATH="$pkgdir/usr/share/dtb"
}

sha512sums="
55a43cf8db2089b9e72796d176bf03805b38ad6433ea1a6db3350da4f829f380f4c6ec5ed2bb189867c44b9369b9b74d53039a887a5ce23a9f7761b057c8e783  linux-v5.17.0-sdm660.tar.gz
c1724eeb6e17a02c5eeb1eb76d1ed27bc24063a8c397fbf3415e0fb696152a98733711031e266cc6e54d8a2bf8bfdab34e5fce9584429ebab18fc4016bf6e041  config-postmarketos-qcom-sdm660.aarch64
"