# Co-Maintainer: Achill Gilgenast <achill@achill.org>
maintainer="Aelin <aelin@postmarketos.org>"
pkgname=linux-postmarketos-stable
pkgver=7.1.8
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-lockdown
	pmb:kconfigcheck-rust
	pmb:kconfigcheck-selinux
	pmb:kconfigcheck-uefi
	pmb:kconfigcheck-virt
"
makedepends="
	bash
	bison
	clang
	clang-libclang
	diffutils
	elfutils-dev
	findutils
	flex
	grep
	kmod
	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"

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="$_carch" LLVM=1 HOSTLDFLAGS="-fuse-ld=lld" \
		KBUILD_BUILD_VERSION="$((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"/usr \
		INSTALL_MOD_STRIP=1 \
		INSTALL_DTBS_PATH="$pkgdir"/boot/dtbs

	rm -f "$pkgdir"/usr/lib/modules/*/build "$pkgdir"/usr/lib/modules/*/source

	install -Dm644 "$builddir"/include/config/kernel.release \
		"$pkgdir"/usr/share/kernel/"$_flavor"/kernel.release
}

sha512sums="
15477b52f1c36e42d38486037b721bca075d8312d09b108c2628e14137fed6aeb9ed641035adae0f40d3fed9a231f8a315c7d163bb599d319714464963d8626d  patch-7.1.8.patch.xz
d4d9c45261813559341c67ea53d4a47f5a04d1ad15e3c2b8222a09b5483380d2bfd31b8c675e144db2eb91f560d6cb28f66187a5ea4f24f6dfb82a4ad48064cc  linux-7.1.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
2390f66a2481ac91d8950f41a60ba30d78d35095815bdaaa42ff42384cddfc5b094e2205cad33cdac33f43e03b57af9b257cbe4a3bbf4666fa0444c7c0abc28f  config-stable.aarch64
2a27a157ea8078c92bb7fd71060a584f2d3c5f0982ae047b30cfa26cd8bc01d0dc6c8e6b23b3120d9224805f2743c1248e5b1cf58699616caac6589592ca3c27  config-stable.armv7
2db8499d844d63e077be069c0bdedc349864fcecd19f748787aa9d7b7bbe4272294da93a984da38baea43a68d7b481293da200f85ce54c22ba081efa111dffbd  config-stable.loongarch64
00051c078bd511248f530b8c4e6658c98a60f67a025dbefae1dfaa2bb2ca7dbd7dc7fcea6f3ce274f2ad85f4d364fa8200e7206df5b52ca393ed381e12bc0de1  config-stable.ppc64le
e2e859c4bcb90d02726eb040083e492fb8bea542887328cf74140b80e86f9ebcf1cf6e7518c1bf3ea0bbb4696dd60fd58fbf44d49082c2b1e1644fcc15536768  config-stable.riscv64
d3b9fa06e8bcec0e0a90cd95271c572e348b6171d6f561c370327a8597843305b27178423f11e07566b8978329069e6af30cd6921665393d61cd08213200f59f  config-stable.x86
2d55861be20ea640ce230a533a5bf683c2a0d5ed47bf489d93e350a59d116f2a066eff5e8be873a0ada5c55cb7cf237f2f5eb42f53c0ec40b333f8e9ded1618f  config-stable.x86_64
"
