# Stable Linux kernel with patches for SDM670 devices
# Kernel config based on: arch/arm64/configs/{defconfig,sdm{670,845}.config}
maintainer="Richard Acayan <mailingradian@gmail.com>"
_flavor="postmarketos-qcom-sdm670"
pkgname=linux-$_flavor
pkgver=7.0.5
pkgrel=1
pkgdesc="Mainline Kernel fork for SDM670/SDM710 devices"
arch="aarch64"
_carch="arm64"
url="https://gitlab.com/sdm670-mainline/linux"
license="GPL-2.0-only"
options="!strip !check !tracedeps
	pmb:cross-native
	pmb:kconfigcheck-community
	pmb:kconfigcheck-uefi
"
makedepends="
	bison
	clang
	findutils
	flex
	installkernel
	lld
	llvm
	openssl-dev
	perl
	python3
	zstd
"

_config="config-$_flavor.$arch"
_tag="sdm670-v$pkgver"

# Source
source="
	https://gitlab.com/sdm670-mainline/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() {
	# 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"

	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="
4e2faf5034a7dff20668a8c4dbfbc10175a859cab36178fa903d91f74a486dfb2068f0cd733c15a0b5919b353aa6405d30497b7da1efb67692e3fb974083902e  linux-sdm670-v7.0.5.tar.gz
0df00bf1b7c4b3c2052477e3241bea40b9c638e082bb33c79db0c17cd0c72cd20d6d4e5791a640915e6ab93da16281ed954a53cf24eaf183ec3d58f4a14d8bda  config-postmarketos-qcom-sdm670.aarch64
"
