# Co-Maintainer: Achill Gilgenast <achill@achill.org>
maintainer="Aelin <aelin@postmarketos.org>"
pkgname=linux-postmarketos-stable
pkgver=7.1.9
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="
ce9e9de16036067efbb747f62136050c9f957a1da4e1b0648dbd25552e727ba9339d51ecb5d5cae30b7dc6190537dd00d6bc3d8bb90937ea5808e73d41c6cf5e  patch-7.1.9.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
e296a3c96d2fff79a67b7251b6bb209dbd07d07ef7268dabb4fda3e197fee381e960fa5202d7f2d9978772387cb7e4209caff522deff37bc81b116214b8bc977  config-stable.aarch64
e5925ca9cdd9bc7be6d8df9692914201403a26c826e2789c76bd132fca7a37b5b3714e577c4311519f700476340dd0d5bb489cce583ebe648f32149dff9ad582  config-stable.armv7
378bd8aef978451596cfee97e43a1b79778fd69995163cac73b9ebed4a54c8fb0053a89d7f018aed9833238226765d5b5f39ef69a0a9b4defe348e3d31f833cc  config-stable.loongarch64
de8c12ef224f0bf49634d2fcb5c4e679ba3cf3547c568e35905c3debc1f747b5a1be3b5eef0ff59307a78634eb8f7e849e2c5b105ba9d4cc9c9a57273f23dad3  config-stable.ppc64le
83242c8fe2b95152e1469d73a12cf82f33a610764ab3b6202bd13838761cd76d64f33dd8a92b7f68060a94a953bb545ab8210e08c51bb594be7c927d3fdd46a3  config-stable.riscv64
b27ca92fb28c23a71425deb8869e4fedaa70b2923d3c91fd242b009d94820e86825440b7ef0f2627efad413184873ab6c1025a2460ee50878732f02ceddac5a9  config-stable.x86
5ad7fed5fe521abbe64d658f7d00ec829598ddb4fd43cfde9a34d07655335e7642d2d1b40bfb8a8a64386da54c1842dcf417b4823bb51f860775fdf7aa95c2a0  config-stable.x86_64
"
