# Reference: <https://postmarketos.org/vendorkernel>
# Kernel config based on the stock Android one

pkgname=linux-samsung-a6lte
pkgver=3.18.140
pkgrel=0
pkgdesc="Samsung Galaxy A6 2018 kernel fork"
arch="aarch64"
_carch="arm64"
_flavor="samsung-a6lte"
url="https://kernel.org"
license="GPL-2.0-only"
options="!strip !check !tracedeps pmb:cross-native"
makedepends="
	bash
	bc
	bison
	devicepkg-dev
	dtbtool-exynos
	flex
	gcc4
	openssl-dev
	perl
"

if [ "${CC:0:5}" != "gcc4-" ]; then
	CC="gcc4-$CC"
	HOSTCC="gcc4-gcc"
	CROSS_COMPILE="gcc4-$CROSS_COMPILE"
fi

# Source
_repository="a6lte-kernel-source"
_commit="981969320c1cdc214cf8a1a357fab642f401a5d1"
_config="config-$_flavor.$arch"
source="
	$pkgname-$_commit.tar.gz::https://github.com/sleirsgoevy/$_repository/archive/$_commit.tar.gz
	$_config
	gcc10-extern_YYLOC_global_declaration.patch
	zram-zs-create-pool-null.patch
	decon-fb-colors.patch
	firmware-paths-fix.patch
"
builddir="$srcdir/$_repository-$_commit"
_outdir="."

prepare() {
	export ANDROID_MAJOR_VERSION=q
	default_prepare
	. downstreamkernel_prepare
}

build() {
	unset LDFLAGS
	export ANDROID_MAJOR_VERSION=q
	make ARCH="$_carch" CC="${CC:-gcc}" \
		KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-postmarketOS"

	# Master DTB (deviceinfo_bootimg_qcdt)
	dtbTool-exynos -o "$_outdir/arch/$_carch/boot"/dt.img \
		$(find "$_outdir/arch/$_carch/boot/dts/" -name *a6lte*.dtb)
}

package() {
	export ANDROID_MAJOR_VERSION=q
	downstreamkernel_package "$builddir" "$pkgdir" "$_carch" \
		"$_flavor" "$_outdir"
	install -Dm644 "$_outdir/arch/$_carch/boot"/dt.img \
		"$pkgdir"/boot/dt.img
}

sha512sums="
c2cc5190c480de4ac2d376827c5c56a542c6644d3dbeb47956d0b90c5570b246872ecedbf5655ac5564c9f61190d23567a4c496bb4235c46f6bd7a6d8addcc68  linux-samsung-a6lte-981969320c1cdc214cf8a1a357fab642f401a5d1.tar.gz
eca0d202cf04a7a03b6ff5e59ee29c83723fc14aabf63186143b28f1117628130f941aacc29f24d0b7c0cd9893c9a306605bedfe69588ff2e3864a2d410702ae  config-samsung-a6lte.aarch64
2b48f1bf0e3f70703d2cdafc47d5e615cc7c56c70bec56b2e3297d3fa4a7a1321d649a8679614553dde8fe52ff1051dae38d5990e3744c9ca986d92187dcdbeb  gcc10-extern_YYLOC_global_declaration.patch
3f65a690e48f913fcb980718fae4dc03c29a6dc86eecb1e2af644488ad415de326a61d840399fb69915cbc5d56d5586f2df2287b3e7323a2927ae73a3b1b1373  zram-zs-create-pool-null.patch
5bd204239a5daff9f990757178398707ae5ec64f823ed9ec72a8d50ebe6d5f0a3cc9743e0d775094da4b3a7566f1ccceb56f39f3b0234d08ca05e537d86271ec  decon-fb-colors.patch
e1409844c46869ffe6ac9e028c3f38868120b6fd38dcf52ca7c1fdb98e90d2717d72ed52f7f41d3b4a18862a5b7210b6921c5c635d91cbb2a5772b55d5f1b4fb  firmware-paths-fix.patch
"