# Reference: <https://postmarketos.org/vendorkernel>
# Kernel config based on: arch/arm64/configs/cedric_defconfig

pkgname="linux-motorola-cedric"
pkgver=3.18.49
pkgrel=3
pkgdesc="Motorola Moto G5 kernel fork"
arch="aarch64"
_carch="arm64"
_flavor="motorola-cedric"
url="https://kernel.org"
license="GPL-2.0-only"
options="!strip !check !tracedeps"
makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev devicepkg-dev dtbtool xz"

# Compiler: latest GCC from Alpine
HOSTCC="${CC:-gcc}"
HOSTCC="${HOSTCC#${CROSS_COMPILE}}"

# Source
_repository="android_kernel_motorola_msm8937"
_commit="2d29701ed2d080029f0bd3ceba07df66ae4e9c2d"
_config="config-${_flavor}.${arch}"
source="
	$pkgname-$_commit.tar.gz::https://github.com/Sohamlad7/${_repository}/archive/${_commit}.tar.gz
	$_config
	gcc8-fix-put-user.patch
	03_fix_rndis_ipa_trace_header_not_found.patch
	05_fix_u_f_header.patch
	06_fix_usb_gadget_function.patch
	fb-fixed.patch
"
builddir="$srcdir/${_repository}-${_commit}"

prepare() {
	default_prepare
	downstreamkernel_prepare "$srcdir" "$builddir" "$_config" "$_carch" "$HOSTCC"
}

build() {
	unset LDFLAGS
	make ARCH="$_carch" CC="${CC:-gcc}" \
		KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-postmarketOS"
	# Generate master DTB
	dtbTool -s 2048 -p "scripts/dtc/" -o "arch/arm64/boot/dt.img" "arch/arm64/boot/"
}


package() {
	# kernel.release
	install -D "$builddir/include/config/kernel.release" \
		"$pkgdir/usr/share/kernel/$_flavor/kernel.release"

	# zImage (find the right one)
	cd "$builddir/arch/$_carch/boot"
	_target="$pkgdir/boot/vmlinuz-$_flavor"
	for _zimg in zImage-dtb Image.gz-dtb *zImage Image; do
		[ -e "$_zimg" ] || continue
		msg "zImage found: $_zimg"
		install -Dm644 "$_zimg" "$_target"
		break
	done
	if ! [ -e "$_target" ]; then
		error "Could not find zImage in $PWD!"
		return 1
	fi

	# Master DTB
	install -Dm644 "$builddir/arch/arm64/boot/dt.img" \
		"$pkgdir/boot/dt.img"
}

sha512sums="706b37cf09d23abab80ba6e8dfbd8c806e4ecb4c3a31f0b0b5ba7ac29c7922716c46e89e4a99eb0febc2d7abe4b433e1b25a7e4f4c05ec43646c6c685e44b4c4  linux-motorola-cedric-2d29701ed2d080029f0bd3ceba07df66ae4e9c2d.tar.gz
21d9e6dbe84117fb7a515e960a75f51fa0f66d85abc5d19c2a993463c6f81fc8429ab80ebc1933296e4dca0ceae82e5e0e5a778772c7cad66029f9ec17fa07b5  config-motorola-cedric.aarch64
197d40a214ada87fcb2dfc0ae4911704b9a93354b75179cd6b4aadbb627a37ec262cf516921c84a8b1806809b70a7b440cdc8310a4a55fca5d2c0baa988e3967  gcc8-fix-put-user.patch
9c549714f03c7a7666e8aa7508a48cfdccab7cf3e97fb59c4df8fa97f75492365926f82c4a677c50780d68d4905504dcccbdd6de6344bd8d4b88b2331933ed46  03_fix_rndis_ipa_trace_header_not_found.patch
b408f157cc025d410b38f5aee9be977e670e1ac3f195f6c3a6681446fa0c3887067d62a4f729cfcd058fab42fca355b0265764dc2d21515f6e023ed025f55d41  05_fix_u_f_header.patch
1f23466d1a864f2d2c67ae4250b0c166ecb7755779bbdad6732808a001cc2826cc1d013c2281d2ca1d5abd7d60d13783f0b9f11bb8359971f2b30b911e627220  06_fix_usb_gadget_function.patch
99a3fda1246449b64d5be7cafeb287a04c234dcb3e7c8617d2aa31442974bf8788857b4935a6000fc157542f713ec253718133b92caab8932d808a760e3b667a  fb-fixed.patch"