# Co-Maintainer: Achill Gilgenast <achill@achill.org>
maintainer="Aelin <aelin@postmarketos.org>"
pkgname=linux-postmarketos-stable
pkgver=6.19.10
pkgrel=0
_kver=${pkgver%.*}
pkgdesc="Stable Kernel"
# armhf: pmbootstrap cannot dynamically choose a defconfig, so it ends up using multi_v7_defconfig which isn't correct
# s390x: kconfigcheck is not ready for it yet
arch="all !armhf !s390x"
_flavor="stable"
url="https://kernel.org"
license="GPL-2.0-only"
options="
	!check
	!strip
	!tracedeps
	pmb:cross-native
	pmb:generic-kernel
	pmb:kconfigcheck-community
	pmb:kconfigcheck-immutable
	pmb:kconfigcheck-rust
	pmb:kconfigcheck-uefi
	pmb:kconfigcheck-virt
"
makedepends="
	bison
	clang
	clang-libclang
	diffutils
	elfutils-dev
	findutils
	flex
	linux-headers
	lld
	llvm
	openssl-dev
	pahole
	perl
	postmarketos-installkernel
	python3
	rust
	rust-bindgen
	rust-src
	rustfmt
	sed
	zstd
"
replaces="linux-stable"

# powerpc boot wrapper patches:
# Necessary for compilation without cross GCC in PATH, cherry-picked from
# Nathan's fork, he does not have time to upstream them right now but would be
# happy if someone else did:
# https://lore.kernel.org/linuxppc-dev/aXs8sgAcci9FKKpx@luna/
source="
	linux-$_kver.tar.xz::https://cdn.kernel.org/pub/linux/kernel/v${pkgver%%.*}.x/linux-$_kver.tar.xz

	0001-WIP-arch-powerpc-boot-Support-LLVM-1-in-wrapper-scri.patch
	0002-WIP-arch-powerpc-boot-Use-z-notext-for-pseries-image.patch
	0003-WIP-arch-powerpc-boot-Add-z-norelro.patch

	config-stable.aarch64
	config-stable.armv7
	config-stable.loongarch64
	config-stable.ppc64le
	config-stable.riscv64
	config-stable.x86
	config-stable.x86_64
"
builddir="$srcdir/linux-$_kver"
_defconfig="defconfig"

if [ "${pkgver%.0}" = "$pkgver" ]; then
	# Prepend to apply first
	source="patch-$pkgver.patch.xz::https://cdn.kernel.org/pub/linux/kernel/v${pkgver%%.*}.x/patch-$pkgver.xz $source"
fi

case "$CARCH" in
	aarch64*) _carch="arm64" ;;
	arm*) _carch="arm" ;;
	loongarch*) _carch="loongarch" ;;
	ppc*) _carch="powerpc" ;;
	riscv*) _carch="riscv" ;;
	s390x) _carch="s390" ;;
	x86) _carch="i386" ;;
	x86_64) _carch="x86_64" ;;
esac

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

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

package() {
	local _install
	case "$CARCH" in
		arm*|aarch64|riscv*) _install="zinstall dtbs_install" ;;
		*) _install="install" ;;
	esac

	make modules_install $_install \
		ARCH="$_carch" \
		LLVM=1 \
		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="
8795c3f87303f8ae07eb648b5635db7b16bda75e0bbeb17b427f5d61c25e70c07ff7816fd587ce63a42d0d41b5e42cb8311bdee4253fa4e4f2ab3ca7b130c2f9  patch-6.19.10.patch.xz
01b29c7f4e5bc0c9802794c2cd027fece825f90417be229a71e60eefce530010d5d301749c54ae744e9d4a483518e769e2bb7e6e9209687681ad7fff11c3ed86  linux-6.19.tar.xz
1f11df2480e9f691573283597160b4c806e492cdca4825f3acb3afb70bde43abfab487bcde1f5553b431a702a0039479d041b0ce7859970e706b5a51d2ad8fb0  0001-WIP-arch-powerpc-boot-Support-LLVM-1-in-wrapper-scri.patch
26521a9c9ea769534095dc4e306babadc8bcbaf03d7faa523c377e41ba0f742ecd0490fa27791d895f729c3ae8845297dca59b4db2475e7f078e689c447430bc  0002-WIP-arch-powerpc-boot-Use-z-notext-for-pseries-image.patch
302c20c85559fc9b3b2420ed25be1bfbb76c87f2a470e4141c32e9542cf1f5c6b3b5a7847231a3eaa0f6bc0e5942d0c1599e807175dcf5e63469704c3d6adde3  0003-WIP-arch-powerpc-boot-Add-z-norelro.patch
224eb439346f381b57cec65c5188554e6e83431744293dc80e20c8dea93c70ad509c74dc7fd0a8d574b1af6a1e0ae79c3d3f773a2d99d2dc393cfd996bfaa7fc  config-stable.aarch64
c40c9f69b8b9090c3a548d77f87a177f37fda239597e227d402f0e67b40dce48e287c9eb4bdd6233e190781c03e1c99edc546d98e0b7bfc0a14dcd1cc166b06c  config-stable.armv7
25158232a13faf927d7b840c86db2fdea476a68f1825a6150f4465d91730d687d87a7ff79657cdb1cf80258c7a10e27b678ae9f42769a8e92ae03eb4d670e88d  config-stable.loongarch64
7a85bc35bae5dd6890fbedb42229414695f2935e21f745fd3d53693edd7b5c042e23cd86c91e60f6afcb3cc018a9f55854eea22a39dae54392a6768c6ac39ad2  config-stable.ppc64le
c232dcc4ca4fea93265283b17ac96d2684ae2ab7d0ee9db076d7613fc0845ab7f206de3ebcda8a440672e792344da80efc21348e39784746530fbbb2f6462a18  config-stable.riscv64
6cbe154417ca8e7c4d28dc7cffc3437990d1384275d71775be987be7972feef80e934fd1456edd8c4db9eaea3c25b13e597633604a06fc82eaf25b5f053f21fb  config-stable.x86
61e94e77325e6b5c041d6e5d4bafd253870087aaabf73b0cbcd6b34ba1e68355e6aaac37ed3dd876c4af684ecd5a2571a9246b6638c56f078d7940e0714e31f3  config-stable.x86_64
"
