maintainer="Antoine Martin (ayakael) <dev@ayakael.net>"
pkgname=linux-clockworkpi-uconsole-rpi
pkgver=6.18.35
_kernver=${pkgver%.*}
pkgrel=0
pkgdesc="Downstream kernel for raspberrypi devices with uConsole patches"
arch="aarch64"
_carch="arm64"
_flavor="${pkgname#linux-}"
url="https://kernel.org"
license="GPL-2.0-only"
options="
	!check
	!strip
	!tracedeps
	pmb:cross-native
	pmb:kconfigcheck-community
	pmb:kconfigcheck-nftables
"
makedepends="
	bison
	clang
	findutils
	flex
	elfutils-dev
	linux-headers
	lld
	llvm
	openssl-dev
	pahole
	perl
	postmarketos-installkernel
	python3
	zstd
"
replaces="linux-rpi"
# Source
_defconfig=bcm2712_defconfig
_config="config-$_flavor.$arch"

# get patch releases
if [ "${pkgver/*.}" -ne 0 ]; then
	source="$pkgname-$pkgver.patch.xz::https://cdn.kernel.org/pub/linux/kernel/v${pkgver%%.*}.x/patch-$pkgver.xz"
fi
source="
	$source
	https://cdn.kernel.org/pub/linux/kernel/v${pkgver%%.*}.x/linux-$_kernver.tar.xz
	https://dev.alpinelinux.org/archive/rpi-patches/rpi-$pkgver-alpine.patch
	0001-drm-panel-add-clockwork-cwu50.patch
	0002-video-backlight-Add-OCP8178-backlight-driver.patch
	0003-arch-configs-update-defconfig-for-uconsole.patch
	0004-arch-overlays-add-uconsole-overlays.patch
	0005-power-axp20x_battery-implement-calibration.patch
	$_config
"
builddir="$srcdir"/linux-$_kernver

prepare() {
	default_prepare
	cp "$srcdir"/$_config .config
}

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

package() {
	mkdir -p "$pkgdir"/boot

	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/crOS compatibility
		install -Dm644 "$builddir/arch/$_carch/boot/vmlinuz" \
			"$pkgdir/boot/vmlinuz"
	else
		echo "WARNING: CONFIG_EFI_ZBOOT not enabled!"
		install -Dm644 "$builddir/arch/$_carch/boot/Image.gz" \
			"$pkgdir/boot/vmlinuz"
	fi

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

	# rpi boot expects dtbs to be root of boot partition
	mv -f "$pkgdir"/boot/broadcom/*.dtb \
		"$pkgdir"/boot
	rmdir "$pkgdir"/boot/broadcom
}

sha512sums="
e6ee5f39ac4205da637f1bce67eb96b59726a15ef3579ae3850ef73ecfbf6d24d4f622b3e74b04fd119f87cd8864152eba74a14fc753f716fec91f5e91015e96  linux-clockworkpi-uconsole-rpi-6.18.35.patch.xz
88599ffdec96d150c1feb9b261ba93bb0301a9d0e1ad6bef7aeab1f5372cbfc57d8b43c7e902bd8f76921d1dbd8189663c142ea869e51d0e2b483b150ee00fe0  linux-6.18.tar.xz
54dfa909c720a24fca6a0a20a414e77e291ef3e1e8a22f90e8326ed474bc526c098f7c31ec96a25000cbe3cb7442f0fdf353564678a225e90096b3f1c3be0e3d  rpi-6.18.35-alpine.patch
689afe10d9247581a529a74481fb0c1352b25c68857b0a6b127330a5324f878bff0b7690c705a31eeeb45c39fef4e0fbd6642272f0dca73a8673713089c2a1c7  0001-drm-panel-add-clockwork-cwu50.patch
79197b33f8d8bd0112d4c05859be871b4609ef706dd7597c42c55e54ce168a5a59cc6fd838a0554b02030324a126adbd379c33c8deb8ac0dff8014d05f22731e  0002-video-backlight-Add-OCP8178-backlight-driver.patch
311b403c071420057ef9d0a23b22641913c8d6915447cfe451fec5bd64bdb6574ba9713e286123f70c1b4484f08c0ce909cd8abc77204741390a4d652fd9fa8e  0003-arch-configs-update-defconfig-for-uconsole.patch
6cfa41639245564fd70cfa85b0da2d609c91f66fb513e9aee3d66ab124e0394b6f33ef263fa21f1d215140f5f6c7dd4a5e05ee7cc36348c565c7d05cbfcbcd77  0004-arch-overlays-add-uconsole-overlays.patch
68b07d9d83074f1af13f1a8c86cb677333d7d9a2f26f47df6990d71d96ce49f53135425874fe2375b934d631ed9d8b7e754c5342d4387ae37f6572649b3b1e5f  0005-power-axp20x_battery-implement-calibration.patch
2def8d2457020842ff6fd22155b2e7be569d9c429e60066ec84db6336001a10b3ccd18bfa4a9622a25f9af5e9b6d5805e5448ee67226e525f928120a84e55112  config-clockworkpi-uconsole-rpi.aarch64
"