# Based on linux-postmarketos-qcom-sdm845
#
# This kernel package can be replaced with linux-postmarketos-qcom-sdm845 once
# https://gitlab.com/sdm845-mainline/linux/-/merge_requests/91 is merged
maintainer="Stefan Hansson <newbyte@postmarketos.org>"
_flavor="ayn-odin"
pkgname=linux-$_flavor
pkgver=7.1_rc1
pkgrel=0
_commit="68360b73aaee537c359c13c457d3b5bb779f4f0d"
pkgdesc="Mainline Kernel fork for AYN Odin"
arch="aarch64"
_carch="arm64"
url="https://gitlab.com/jenneron/linux"
license="GPL-2.0-only"
options="!check !tracedeps
	pmb:cross-native
	pmb:kconfigcheck-community
	pmb:kconfigcheck-uefi
"
makedepends="
	bash
	bison
	clang
	elfutils-dev
	findutils
	flex
	linux-headers
	lld
	llvm
	openssl-dev
	pahole
	perl
	postmarketos-installkernel
	python3
	zstd
"

_config="config-$_flavor.$arch"

# Source
source="
	linux-$_commit.tar.gz::https://gitlab.com/jenneron/linux/-/archive/$_commit/linux-$_commit.tar.gz
	$_config
	libbpf-Fix-UAF-in-strset__add_str.patch
"
builddir="$srcdir/linux-$_commit"

prepare() {
	default_prepare
	cp "$srcdir/config-$_flavor.$arch" .config
}

build() {
	unset LDFLAGS
	make ARCH="$_carch" LLVM=1 \
		KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-$_flavor"
}

package() {
	if [ -e "$builddir/arch/$_carch/boot/vmlinuz.efi" ]; then
		# ZBOOT EFI decompressor for EFI booting
		install -Dm644 "$builddir/arch/$_carch/boot/vmlinuz.efi" \
			"$pkgdir/boot/linux.efi"

		# Old GZIP'd kernel image for boot.img compatibility
		install -Dm644 "$builddir/arch/$_carch/boot/vmlinuz" \
			"$pkgdir/boot/vmlinuz"
	else
		echo "WARNING: CONFIG_ZBOOT not enabled!"
		install -Dm644 "$builddir/arch/$_carch/boot/Image.gz" \
			"$pkgdir/boot/vmlinuz"
	fi

	make modules_install dtbs_install \
		ARCH="$_carch" \
		LLVM=1 \
		INSTALL_PATH="$pkgdir"/boot/ \
		INSTALL_MOD_PATH="$pkgdir"/usr \
		INSTALL_MOD_STRIP=1 \
		INSTALL_DTBS_PATH="$pkgdir"/boot/dtbs-tmp

	mkdir -p "$pkgdir"/boot/dtbs/qcom
	cp -r "$pkgdir"/boot/dtbs-tmp/qcom/sdm8* "$pkgdir"/boot/dtbs/qcom
	rm -rf "$pkgdir"/boot/dtbs-tmp

	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="
3edef8ed3583568943ad0a2e2d0ea46bf47bc96cc17dfdbda84da792a0b4fdbabf86dc98d6b3264594dab5fc4628fbc2859d4a9bf833fe2c771afd9973f8487a  linux-68360b73aaee537c359c13c457d3b5bb779f4f0d.tar.gz
73aa9b9b77e5c368e992878602a242de9ae1f05859d8754f8cbd1d8d229eff41e0cf3b0c8031928165884af3127ef15a14926b1c27f72c74268e45ee12aeeb3b  config-ayn-odin.aarch64
e2555390d48cbbdc32a7d3f0c27599ff88f2fe3e786d1d0086caaa5b092cc3edcb6e95e2fb07034edb3793f6dc954da0662c723202eb7e2c4956c99b50919b12  libbpf-Fix-UAF-in-strset__add_str.patch
"
