# Reference: <https://postmarketos.org/vendorkernel>
# Kernel config based on: arch/arm64/configs/defconfig
# Co-Maintainer: bluebunny <bluebunny@postmarketos.org>
maintainer="Jianhua Lu <lujianhua000@gmail.com>"
_flavor="postmarketos-qcom-sm8250"
pkgname=linux-$_flavor
pkgver=7.2.0
pkgrel=0
pkgdesc="Mainline kernel fork for SM8250"
arch="aarch64"
_carch="arm64"
url="https://gitlab.postmarketos.org/soc/qualcomm-sm8250/linux"
license="GPL-2.0-only"
options="!strip !check !tracedeps
	pmb:cross-native
	pmb:kconfigcheck-nftables
	pmb:kconfigcheck-community
	pmb:kconfigcheck-uefi
"
makedepends="
	bash
	bison
	clang
	elfutils-dev
	findutils
	flex
	linux-headers
	lld
	llvm
	openssl-dev
	pahole
	perl
	postmarketos-installkernel
	python3
"

# Source
_tag="sm8250-$pkgver"
_config="config-$_flavor.$arch"
source="
	$pkgname-$_tag.tar.gz::https://gitlab.postmarketos.org/soc/qualcomm-sm8250/linux/-/archive/$_tag/linux-$_tag.tar.gz
	$_config
"
builddir="$srcdir/linux-$_tag"

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

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

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

	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" \
			"$pkgdir/boot/vmlinuz"
	else
		echo "WARNING: CONFIG_ZBOOT not enabled!"
		install -Dm644 "$builddir/arch/$_carch/boot/Image.gz" \
			"$pkgdir/boot/vmlinuz"
	fi

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

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

sha512sums="
26d48ebd04c43e993bd00f9c055d40daf87b4919332c974e3c0db236135b522415e3dcf4b512e4028cc42da63fe4639991c3870bcb977967846db590a0b950b7  linux-postmarketos-qcom-sm8250-sm8250-7.2.0.tar.gz
915ffb4ebd78297bcd723649d18b195b0aa7ad012ddcb1cc8a8002513a9380750f5735f2b43e25b754327c02fad309a0582b04edb6b473fe6090401884a5d8f2  config-postmarketos-qcom-sm8250.aarch64
"
