# Co-Maintainer: Achill Gilgenast <achill@achill.org>
maintainer="Aelin <aelin@postmarketos.org>"
pkgname=linux-postmarketos-mainline
pkgver=7.1_rc7
pkgrel=0
_rel=${pkgver#*_p}
_kver=${pkgver%_p*}
_kver=${_kver//_/-}
pkgdesc="Mainline 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="mainline"
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-selinux
	pmb:kconfigcheck-uefi
	pmb:kconfigcheck-virt
"
makedepends="
	bison
	clang
	clang-libclang
	diffutils
	elfutils-dev
	findutils
	flex
	kmod
	linux-headers
	lld
	llvm
	openssl-dev
	pahole
	perl
	postmarketos-installkernel
	python3
	rust
	rust-bindgen
	rust-src
	rustfmt
	sed
	zstd
"

# 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="
	$pkgname-$pkgver.tar.gz::https://git.kernel.org/torvalds/t/linux-${pkgver/_/-}.tar.gz

	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-mainline.aarch64
	config-mainline.armv7
	config-mainline.loongarch64
	config-mainline.ppc64le
	config-mainline.riscv64
	config-mainline.x86
	config-mainline.x86_64
"
builddir="$srcdir/linux-${pkgver/_/-}"
_defconfig="defconfig"

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"/usr \
		INSTALL_MOD_STRIP=1 \
		INSTALL_DTBS_PATH="$pkgdir"/boot/dtbs

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

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

sha512sums="
8fb453678e4e395dd453fd84447d940e59171394a1f483a5bcf9f0d42703ad9f38310e03fda169faba3caa36176c754edd40226b05a97f82cceca5ca5154fb37  linux-postmarketos-mainline-7.1_rc7.tar.gz
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
edf337d8072ae75367088e165a8d6ded6801c434a4f35b4259b8947ddafced130460d80870a9d69f4a05b3fa94975d2d790012946757fe6e2c96803b44e42fb1  config-mainline.aarch64
a3639217ac342e084ce3d205266b5b54109d2f2901f95cf1a60f8a1934967bb969c809ce900ef49c8dd2af1791cf898fb45b8e8931a8ca099568cc94da418e7f  config-mainline.armv7
17354143638f079236fd10dfa73e8c477c996eabe37106abd773ffcda980b7b0681571c38a7b32697276d6f52f290cc715fc85f497055486db464fa1c5c14dfc  config-mainline.loongarch64
1ef34f893c7db2c4516408eaaf3bc1c04f8892bc91e9e6a373e785a8bf53e36280bee410a1d2863ece519665ac1493d840e4e6ed526b3d2d09e946970bbbf19a  config-mainline.ppc64le
72a5205a04b687c98caa4564b8edd1f20265ac94e00f7be4573aa807e6dd4660279fd9e13c21ba38669ce6f7cb585521a311ec66e549d3e883924ad3dc0e31a8  config-mainline.riscv64
bf83724c5b1626c201bff968a8b55cb3161f9a6e77acd51308f126525bf56e086daca1301a325962bd05bf4a1d7cae335a29da50aea531b1dcf7020b4677bb87  config-mainline.x86
44b2110d45b0ac0e75efb1c3a2f708ea0e4b8c1297806e5b84e2e44d31d4e52447784ddde471ed84106a6c99155821acb742f6d5b7bfa30f57b2ebc6ee5c4440  config-mainline.x86_64
"
