# Reference: <https://postmarketos.org/vendorkernel>
# Kernel config based on: https://github.com/150balbes/build/blob/risc-v/config/kernel/linux-d1-current.config
# Kernel config based on: arch/riscv/configs/nezha_defconfig

_flavor="postmarketos-allwinner-d1"
pkgname=linux-$_flavor
pkgver=6.1_rc3
pkgrel=1
pkgdesc="Mainline kernel fork for d1/d1-h"
arch="riscv64"
_carch="riscv"
url="https://github.com/smaeul/linux/tree/riscv/d1-wip"
license="GPL-2.0-only"
options="!strip !check !tracedeps
	pmb:cross-native
	pmb:kconfigcheck-nftables
"
makedepends="
	bison
	devicepkg-dev
	findutils
	flex
	gmp-dev
	installkernel
	mpc1-dev
	mpfr-dev
	openssl-dev
	perl
	rsync
	xz
	bash
"

_commit="9496edef9edad6eb4a3c6808b0d81fe68754f02f"
_config="config-$_flavor.$arch"

# Source
source="
	$pkgname-$_commit.tar.gz::https://github.com/smaeul/linux/archive/$_commit.tar.gz
	$_config
"
builddir="$srcdir/linux-$_commit"
_outdir="out"

prepare() {
	default_prepare
	cp "$srcdir/config-$_flavor.$arch" .config
}

build() {
	unset LDFLAGS
	make ARCH="$_carch" CC="${CC:-gcc}" CARCH=riscv\
		CFLAGS_MODULE=-fno-pic \
		DTC_FLAGS="-@"
}

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

	install -Dm644 "$builddir/arch/$_carch/boot/Image.gz" \
		"$pkgdir/boot/vmlinuz"

	make modules_install dtbs_install \
		CARCH=riscv \
		ARCH="$_carch" \
		INSTALL_PATH="$pkgdir"/boot/ \
		INSTALL_MOD_PATH="$pkgdir" \
		INSTALL_MOD_STRIP=1 \
		INSTALL_DTBS_PATH="$pkgdir/boot/dtbs"
	rm -f "$pkgdir"/lib/modules/*/build "$pkgdir"/lib/modules/*/source

	install -D "$builddir"/include/config/kernel.release \
		"$pkgdir"/usr/share/kernel/$_flavor/kernel.release
}

sha512sums="
7f3daae1964118df9a764557848742e8d34a40c26c41bf4c3012cbbbd78c3d795041e9081c9312a0f088aadd4126887238ee1aafec3f9137fc755f4865e2f5b1  linux-postmarketos-allwinner-d1-9496edef9edad6eb4a3c6808b0d81fe68754f02f.tar.gz
bd748d320eb91bc0b30d3808cda8d30768075948da21004eacf20700d01fe54a9abd68f50f23a1ff11e86e77f896af235eb9a1683b264e104c5c2295fc7f121e  config-postmarketos-allwinner-d1.riscv64
"