# Reference: <https://postmarketos.org/vendorkernel>
# Kernel config based on: arch/arm64/configs/exynos7885-jackpotlte_defconfig

pkgname=linux-samsung-jackpotlte
pkgver=4.4.177
pkgrel=0
pkgdesc="Samsung Galaxy A8 (2018) kernel fork"
arch="aarch64"
_carch="arm64"
_flavor="samsung-jackpotlte"
url="https://kernel.org"
license="GPL-2.0-only"
options="!strip !check !tracedeps pmb:cross-native"
makedepends="bash bc bison devicepkg-dev flex openssl-dev perl dtbtool-exynos"

# Source
_repository="Universal7885_native_linux"
_commit="8ab619fec5ab7fadc8dfb2cf8e994d4a89b212c3"
_config="config-$_flavor.$arch"
source="
	$pkgname-$_commit.tar.gz::https://github.com/VDavid003/$_repository/archive/$_commit.tar.gz
	kernel-define-android-version.patch
	$_config
"
builddir="$srcdir/$_repository-$_commit"
_outdir="out"

prepare() {
	default_prepare
	. downstreamkernel_prepare
}

build() {
	unset LDFLAGS

	# Needed for the SoC's power management. When booting without it, the kernel is
	# unusably slow and glitchy.
	objcopy -I binary -O ihex firmware/exynos7885_acpm_fvp.fw firmware/exynos7885_acpm_fvp.fw.ihex

	make O="$_outdir" ARCH="$_carch" CC="${CC:-gcc}" \
		KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-postmarketOS"

	dtbTool-exynos --pagesize 2048 --platform 0x50a6 --subtype 0x217584da \
		-o "$_outdir/arch/arm64/boot/dtb.img" $(find "$_outdir/arch/arm64/boot/dts/exynos/" -name *jackpotlte_eur*.dtb)
}

package() {
	downstreamkernel_package "$builddir" "$pkgdir" "$_carch" "$_flavor" "$_outdir"

	# Master DTB (deviceinfo_bootimg_qcdt)
	install -Dm644 "$_outdir/arch/arm64/boot/dtb.img" \
		"$pkgdir/boot/dt.img"
}

sha512sums="2ed2ec274982a52736942fd88dc79e57fefa17151460c2d143d6eef5511fc018fc9d498d972e770350b454c206ea11c0d5b84d8a8a22218f684fa3c70ff238eb  linux-samsung-jackpotlte-8ab619fec5ab7fadc8dfb2cf8e994d4a89b212c3.tar.gz
f3161f62a6ba0de56342b1410e509dce8320e43f788ae2670ebd59d93e5504aab77a913eecdebae33ff9135228869c5fd0559211c511f503fdc25f2fbab48351  kernel-define-android-version.patch
d97a6b08b432d71ed2dd26fc2a82f7fcaa5a53ab15fdc5c05d0722231c6143f88b83e2d883b4fec4d97643f032fefffaf62c1fa0d9ef7b4d7a490cb325a2c087  config-samsung-jackpotlte.aarch64"