# Maintainer: Clayton Craft <clayton@craftyguy.net>
pkgname=linux-postmarketos-asahi
pkgver=6.16.8_p1
pkgrel=0
_rel=${pkgver#*_p}
_kver=${pkgver%_p*}
_kver=${_kver//_/-}
_asahiver=$_kver-$_rel
pkgdesc="Kernel for Apple M-series devices"
arch="aarch64"
_carch="arm64"
_flavor="postmarketos-asahi"
url="https://kernel.org"
license="GPL-2.0-only"
options="!strip
	!check
	!tracedeps
	pmb:cross-native
	pmb:kconfigcheck-community
	pmb:kconfigcheck-uefi
	pmb:kconfigcheck-virt
"
makedepends="
	bash
	bc
	bison
	clang20-libclang
	devicepkg-dev
	diffutils
	elfutils-dev
	findutils
	flex
	git
	linux-headers
	openssl-dev
	pahole
	perl
	python3
	rust
	rust-bindgen
	rust-src
	rustfmt
	sed
	zstd
"

# Source
_repository="linux"
source="
	$pkgname-$_asahiver.tar.gz::https://github.com/AsahiLinux/linux/archive/refs/tags/asahi-$_asahiver.tar.gz
	device.config
	misc.config
	pmos.config
"
builddir="$srcdir/linux-asahi-$_asahiver"
# Use the default arm defconfig
_defconfig="defconfig"

prepare() {
	default_prepare
	mkdir -p "$builddir"/arch/"$_carch"/configs
	local _config
	for _config in "$srcdir"/*.config; do
		cp "$_config" "$builddir"/arch/"$_carch"/configs/
	done

	# Generate .config
	unset LDFLAGS
	make ARCH="$_carch" CC="${CC:-gcc}" \
		KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-$_flavor" \
		"$_defconfig" device.config misc.config pmos.config
}

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

package() {
	install -Dm644 "$builddir/arch/$_carch/boot/vmlinuz.efi" \
			"$pkgdir/boot/linux.efi"

	make modules_install dtbs_install \
		ARCH="$_carch" \
		INSTALL_PATH="$pkgdir"/boot/ \
		INSTALL_MOD_PATH="$pkgdir" \
		INSTALL_MOD_STRIP=1 \
		INSTALL_DTBS_PATH="$pkgdir"/boot/dtbs-asahi

	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="
bd5d3c29282e1b55d045dad4a894cfa7a7d2ea991a3bdf372323d0df25e0059092439b2987d8ed05e1db17d92319ed613711ee29a3031f70620f63aecadc5c25  linux-postmarketos-asahi-6.16.8-1.tar.gz
860a7fbf519b09c194e79a0c54f827048a6dd4c52d13532d92c5d040743c9af58c2ffa37f36ae66781a919abd49cad766b2e5b8768273b5ec3de66ac59efb682  device.config
e7a651b3780b1cfa68ca65b9e62f77db4273cf5b9162514318c347790d961b4668d0c6eb51604aaaf15a15c9f370fe03b4b977163293af379fda9a08d5f7e73d  misc.config
a3ca72c9ecc41684b958aad9a77d99f759ff56664eeac048d5ca715ce946b27ef3b6db6f1b65aa9e616131501afa50b0acda4d0a7c2b880530151cdfa9d236da  pmos.config
"
