# Co-Maintainer: Achill Gilgenast <achill@achill.org>
maintainer="Aelin <aelin@postmarketos.org>"
pkgname=linux-postmarketos-stable
pkgver=6.19.12
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="
375caad1de11ef1466f7e2fa85775e990f215bae0e269d4a97661c936f633df40c51af849880ef05c4cd323cf1d27804b72222cb12df98af021623742e000330  patch-6.19.12.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
b5ea08d6f40044f88d0ad8dc7c33a845fed510cbf0737bc6c258907ba2d3cb4d280e688919fcf41f004761d0aeb3bfa6361cd7eab394030af07745d44120da7f  config-stable.aarch64
d322ab4ec3049d9886b82151bf2356c598491981d6f4e78ee30ee23f6aca10d34ce0ec054d7d59561d7b5087d80ab8958284d7504beccc60b967bac7b6580a43  config-stable.armv7
f93a32906f91ad62aede0c9630184d018eab034b986767d8b0e1c9f83f44c3b609d1d8c849a3809dd1b8e1ebe6a3e53c9ccfc7e744eb346e76fe1e5f5435b111  config-stable.loongarch64
78c49c8f8f3b6c45d1ff9a2b5cff5a6c0ac01142ee79c526e795293b1f99cacea3318003c40db74006f82ba1459ba92db2174fcaa706665daaf320f404fbc1c6  config-stable.ppc64le
92fb5879b9aaf9f3e9761bcc4dfda4f0122d53e89d1c733bc831c570fb8fc34047e04cc058676b619b9f6bf2c39402c2db0789324e1e7433cd8592efe2fb7cd2  config-stable.riscv64
c1ec4a16dc9d7b3ab745f5fce496d25f88764ad4c5ce8dcfcba13ad5abbd40f91aeb5547ebed19d6baf0df2dd796242a76149b9a215470dfae5d4a2d8f2e99e6  config-stable.x86
a0a6f7728fba672f390cf7cc773509135f93e7fef941d4cb5673fb0b6da04263133cf1d9af64b3314f971ae578fcd77d0fbb478287f49df23bbc22edb4ae29ae  config-stable.x86_64
"
