# Maintainer: Minecrell <minecrell@minecrell.net>
# Co-Maintainer: Nikita Travkin <nikita@trvn.ru>
# Kernel config based on: arch/arm64/configs/msm8916_defconfig

_flavor="postmarketos-qcom-msm8916"
pkgname=linux-$_flavor
pkgver=6.6
# When making kernel config changes please also submit a PR to
# https://github.com/msm8916-mainline/linux/blob/master/kernel/configs/pmos.config
# since the kernel config is regenerated on upgrades and all changes will be lost!
pkgrel=6
pkgdesc="Mainline kernel fork for Qualcomm MSM8909/MSM8916/MSM8939 devices"
arch="aarch64 armv7"
url="https://github.com/msm8916-mainline/linux"
license="GPL-2.0-only"
options="!strip !check !tracedeps
	pmb:cross-native
	pmb:kconfigcheck-community
	pmb:kconfigcheck-uefi
"
makedepends="
	bison
	findutils
	flex
	gmp-dev
	mpc1-dev
	mpfr-dev
	openssl-dev
	perl
	postmarketos-installkernel
"
replaces="linux-postmarketos-qcom-msm8909 linux-postmarketos-qcom-msm8939"

# Architecture
case "$CARCH" in
	aarch64) _carch="arm64" ;;
	arm*)    _carch="arm" ;;
esac

# Source
_tag=v${pkgver//_/-}-msm8916
source="
	$pkgname-$_tag.tar.gz::$url/archive/$_tag.tar.gz
	config-$_flavor.aarch64
	config-$_flavor.armv7
"
builddir="$srcdir/linux-${_tag#v}"

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

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

package() {
	mkdir -p "$pkgdir"/boot

	_install_targets="modules_install dtbs_install"

	if [ -e "$builddir/arch/$_carch/boot/vmlinuz.efi" ]; then
		# ZBOOT EFI decompressor for EFI booting
		install -Dm644 "$builddir/arch/$_carch/boot/vmlinuz.efi" \
			"$pkgdir/boot/linux.efi"

		# Old GZIP'd kernel image for boot.img compatibility
		install -Dm644 "$builddir/arch/$_carch/boot/vmlinuz" \
			"$pkgdir/boot/vmlinuz"
	elif [ "$_carch" = "arm64" ]; then
		echo "WARNING: CONFIG_ZBOOT not enabled!"
		install -Dm644 "$builddir/arch/$_carch/boot/Image.gz" \
			"$pkgdir/boot/vmlinuz"
	else
		_install_targets="zinstall modules_install dtbs_install"
	fi

	make $_install_targets \
		ARCH="$_carch" \
		INSTALL_PATH="$pkgdir"/boot \
		INSTALL_MOD_PATH="$pkgdir" \
		INSTALL_MOD_STRIP=1 \
		INSTALL_DTBS_PATH="$pkgdir"/boot/dtbs
	rm -f "$pkgdir"/lib/modules/*/build "$pkgdir"/lib/modules/*/source

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

sha512sums="
5fbbdf333412667e0a0e38dcc7e83f640bd5a1e0b07e1c7786ff3e18f17b9cdec088936263d68986b3869ee305cfcecdf22970134ca8fb8d2a2769874a5a4676  linux-postmarketos-qcom-msm8916-v6.6-msm8916.tar.gz
79db0788419e426201d284cd290afadd85448371aba4c61e77017f2584775af6020b97e2ff714d4dbbf44684cc32f9c4d0b3f120b902b1f9455f6f2741558497  config-postmarketos-qcom-msm8916.aarch64
76d4ced20c29728e0a949b931b1df1454aee4769dbfa1670d93ebf3ca366529401e8ca8c8e3459996102a07e10e0851bc0511c301ac95785cb09d37b178a73d6  config-postmarketos-qcom-msm8916.armv7
"