# Reference: <https://postmarketos.org/vendorkernel>
# Kernel config based on: arch/arm/configs/aries-perf-user_defconfig

pkgname="linux-xiaomi-aries"
pkgver=3.4.113
pkgrel=0
pkgdesc="Xiaomi Mi 2 kernel fork"
arch="armhf"
_carch="arm"
_flavor="xiaomi-aries"
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 xz"

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

# Source
_username="MoKee"
_repository="android_kernel_xiaomi_aries"
_commit="6a30963cf10e5b7cc938f3ac7b22af4ad72c0bf9"
_config="config-${_flavor}.${arch}"
source="
	$pkgname-$_commit.tar.gz::https://github.com/${_username}/${_repository}/archive/${_commit}.tar.gz
	$_config
	gcc7-give-up-on-ilog2-const-optimizations.patch
	gcc8-fix-put-user.patch
	02_gpu-msm-fix-gcc5-compile.patch
	03_fix-return-address.patch
	04_fix-perf-trace-counters.patch
	05_fix-adreno-trace.patch
	06_fix-kgsl-events-include.patch
	07_fix-kgsl-trace-h.patch
	08_fix-red-screen.patch
"
builddir="$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"
}

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
}

sha512sums="3d461173c0ec72d243870bcb2ce1935b2ba1652a532b9b09ef0a3823b5961a3d58415fce2d57f054e1945dc9e70c5c9a68fc45aad26a0adb894bc96120847bc9  linux-xiaomi-aries-6a30963cf10e5b7cc938f3ac7b22af4ad72c0bf9.tar.gz
57ed0e0ac53a70762612ed10885129ee0a731526cc0792050015f929354db7fdf3eae3552cc11b51273b83ea4547b9cada35c05e2081c6c0ac98ac1f2a2d6da9  config-xiaomi-aries.armhf
77eba606a71eafb36c32e9c5fe5e77f5e4746caac292440d9fb720763d766074a964db1c12bc76fe583c5d1a5c864219c59941f5e53adad182dbc70bf2bc14a7  gcc7-give-up-on-ilog2-const-optimizations.patch
197d40a214ada87fcb2dfc0ae4911704b9a93354b75179cd6b4aadbb627a37ec262cf516921c84a8b1806809b70a7b440cdc8310a4a55fca5d2c0baa988e3967  gcc8-fix-put-user.patch
87ff591431c34d920527de8d7640b93bfc1f09ad541a58645969bc1e6b64b89e7443c38dd263cafa9a6090f4a74e0ffcd49f94dba0a4f1df5306dad106ecfb3f  02_gpu-msm-fix-gcc5-compile.patch
7d5ca9d460030adf529466a8e8ef430337cbb998f78b1b5f37a2809fc745cdb16421dc314045ae411069d5af2ace7028f1139303ae4d6d583b6ae07ad931295e  03_fix-return-address.patch
f85ced49ee2f2461adea68dac0a10452aa809a7d41d869092d94eb085344919a9a385dec0c48011f4601ca4f441700f7fe49075c7eca4fb2d66b01f7d413ccb7  04_fix-perf-trace-counters.patch
71465422481ff79d2ddde7a9b55531b963f9a72efa9df47ecd5666353fbfb72e698290fa9e7f51522e2dadb2fa719ad5fc05fabe6c4ff7b9d387243a46d97d72  05_fix-adreno-trace.patch
f58e3d2d327f2fc06b3599903eca8113facd550010e8e0db4ace8fbdeb042f62fdca61e9748770a8891e21dc8211c8366518e8e16c5d61c6b49a88d34a16493c  06_fix-kgsl-events-include.patch
30b66b3b82a762a70381cc3e000f092c739714b116ff7fa4d13108e782789dce2f6e1490de54d720a8870fc52d379bd266abb873f79f7a021c0eced0fdbc70af  07_fix-kgsl-trace-h.patch
67c5d25b7d18644266ea043430655f46edf9cb7ff82612e25e63015a183206966cb41865236ebf642e83bed454cdc0392400e26f4be14f649c615415599229c7  08_fix-red-screen.patch"