# Co-Maintainer: Achill Gilgenast <achill@achill.org>
maintainer="Aelin <aelin@postmarketos.org>"
pkgname=linux-postmarketos-mainline
pkgver=7.1_rc3
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
	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="
d03da193054c560d76ead500fb20e4bfa8ea12b4afd6120d6f9745a51614541d185270e1a9c4bc681f9d429e8cde03c7c32c0687c30c9b20a73286eff52d138a  linux-postmarketos-mainline-7.1_rc3.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
ebb0214028ce844d32b4b6f5bb46b89834ed3acf4c4697459193d7ee792ffae2514e682a614861fded7c65294404756746226bd9fe873d9e932f787f73f893c0  config-mainline.aarch64
c2b3155f821f9e40ac3f950e84c91c901770ccd92e237035ac8410bada89d06071f5e1749812e506389f642431b61601356716a93da7a158ea0bcf9f89f3966c  config-mainline.armv7
1526852b42a5bd6e32325d4a67e490acebef202cf6e43295539e53cb5e106eb08d5ce884b3ba678e81830bfc64ddea3aa6a5e11faec9f09b40d759d0946ef3fa  config-mainline.loongarch64
7f14524a3b46e52d57e0bec01615aab4780cb1f8844b6c9fb6ee568c5393a4a4032d0cdeea022cac0405ca995d2463b446e3acedd15e65568056a156ede91f03  config-mainline.ppc64le
100d6a66fddffc121830d21ea1bb2e2fada4a93d09f1bbfa9f0e951e030bfd18d33579931f7e16a21aa82e148f813dff7791b78c7e83ec7311848b94167c3116  config-mainline.riscv64
2e2680c00d617ac621e082d914ea606e08d927000569852773a42ef6d54ccf8a7602895242111c252305af7f4b5c116b56bec90eb4dfd1495fc093e5286d0b30  config-mainline.x86
02a14f64bbf23107cd5235261a160fbbb015d59698c27a11582ff8a947cfb3710a5ed1c163cd7b74fd8a46dafc2c946e6c84038e938a50ca10825a5af90e1430  config-mainline.x86_64
"
