# Maintainer: Jenneron <jenneron@protonmail.com>

# 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

_flavor="ayn-odin"
pkgname=linux-$_flavor
pkgver=6.7.0
pkgrel=1
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 findutils flex installkernel openssl-dev perl zstd"

_config="config-$_flavor.$arch"
_commit="87349bbdebbd62f0a235cdcc31dc25f507fc444f"

# Source
source="
	linux-$_commit.tar.gz::https://gitlab.com/jenneron/linux/-/archive/$_commit/linux-$_commit.tar.gz
	$_config
"
builddir="$srcdir/linux-$_commit"

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

build() {
	unset LDFLAGS
	make ARCH="$_carch" CC="${CC:-gcc}" \
		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="$_carch" \
		INSTALL_PATH="$pkgdir"/boot/ \
		INSTALL_MOD_PATH="$pkgdir" \
		INSTALL_MOD_STRIP=1 \
		INSTALL_DTBS_PATH="$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="
baedc6653df9a0c697ddf127dd9d43be12fb54f34c699404ec5d2837f24ca8fc8889e4b5055c84ce0f6be120c4284386acbc8eeb134fe80edc01c26f9d1893be  linux-87349bbdebbd62f0a235cdcc31dc25f507fc444f.tar.gz
f34aadf069d810e6e90232db0e5ab517e98504fa507c41aecc6361849c5f3e2a6bceaf9710ed405c07f743f3b50bfc38cb326a0b638df8253c150fcfeea68c58  config-ayn-odin.aarch64
"