#!/bin/bash

CORES=$(getconf _NPROCESSORS_ONLN)
wdir=`pwd`
CC=${CC:-"${wdir}/riscv-toolchain/bin/riscv64-linux-"}

cd ./linux/

if [ ! -f ./.patched ] ; then
	if [ -f arch/riscv/configs/mpfs_defconfig ] ; then
		patch -p1 < ../patches/linux/0001-Add-BeagleV-Fire-device-tree.patch
		patch -p1 < ../patches/linux/0001-PCIe-Change-controller-and-bridge-base-address.patch
		patch -p1 < ../patches/linux/0001-GPIO-Add-Microchip-CoreGPIO-driver.patch
		patch -p1 < ../patches/linux/0001-ADC-Add-Microchip-MCP356X-driver.patch
		patch -p1 < ../patches/linux/0001-Microchip-QSPI-Add-regular-transfers.patch
		patch -p1 < ../patches/linux/0001-BeagleV-Fire-Add-printk-to-IM219-driver-for-board-te.patch
		patch -p1 < ../patches/linux/0001-MMC-SPI-Hack-to-support-non-DMA-capable-SPI-ctrl.patch
	fi
	touch .patched
fi

if [ -f arch/riscv/configs/mpfs_defconfig ] ; then
	cp -v ../patches/linux/Makefile arch/riscv/boot/dts/microchip/Makefile
	cp -v ../patches/linux/dts/mpfs-beaglev-fire.dts arch/riscv/boot/dts/microchip/
	cp -v ../patches/linux/dts/mpfs-beaglev-fire-fabric.dtsi arch/riscv/boot/dts/microchip/
else
	cp -v ../patches/linux/mainline/Makefile arch/riscv/boot/dts/microchip/Makefile
	cp -v ../patches/linux/mainline/dts/mpfs-beaglev-fire.dts arch/riscv/boot/dts/microchip/
	cp -v ../patches/linux/mainline/dts/mpfs-beaglev-fire-fabric.dtsi arch/riscv/boot/dts/microchip/
fi

echo "make ARCH=riscv CROSS_COMPILE=${CC} clean"
make ARCH=riscv CROSS_COMPILE=${CC} clean

if [ -f arch/riscv/configs/mpfs_defconfig ] ; then
	echo "make ARCH=riscv CROSS_COMPILE=${CC} mpfs_defconfig"
	make ARCH=riscv CROSS_COMPILE=${CC} mpfs_defconfig
else
	echo "make ARCH=riscv CROSS_COMPILE=${CC} defconfig"
	make ARCH=riscv CROSS_COMPILE=${CC} defconfig
fi

echo "make ARCH=riscv CROSS_COMPILE=${CC} menuconfig"
make ARCH=riscv CROSS_COMPILE=${CC} menuconfig

echo "make -j${CORES} ARCH=riscv CROSS_COMPILE=${CC} Image modules dtbs"
make -j${CORES} ARCH=riscv CROSS_COMPILE=${CC} Image modules dtbs

KERNEL_UTS=$(cat "${wdir}/linux/include/generated/utsrelease.h" | awk '{print $3}' | sed 's/\"//g' )

if [ -d "${wdir}/deploy/tmp/" ] ; then
	rm -rf "${wdir}/deploy/tmp/"
fi
mkdir -p "${wdir}/deploy/tmp/"

make -s ARCH=riscv CROSS_COMPILE=${CC} modules_install INSTALL_MOD_PATH="${wdir}/deploy/tmp"

if [ -f "${wdir}/deploy/${KERNEL_UTS}-modules.tar.gz" ] ; then
	rm -rf "${wdir}/deploy/${KERNEL_UTS}-modules.tar.gz" || true
fi
echo "Compressing ${KERNEL_UTS}-modules.tar.gz..."
echo "${KERNEL_UTS}" > "${wdir}/deploy/.modules"
cd "${wdir}/deploy/tmp" || true
tar --create --gzip --file "../${KERNEL_UTS}-modules.tar.gz" ./*
cd "${wdir}/linux/" || exit
rm -rf "${wdir}/deploy/tmp" || true

if [ -f arch/riscv/configs/mpfs_defconfig ] ; then
	cp -v ./.config ../patches/linux/mpfs_defconfig
	cp -v ./arch/riscv/boot/dts/microchip/mpfs-beaglev-fire.dts ../patches/linux/dts/mpfs-beaglev-fire.dts
	cp -v ./arch/riscv/boot/dts/microchip/mpfs-beaglev-fire-fabric.dtsi ../patches/linux/dts/mpfs-beaglev-fire-fabric.dtsi
else
	cp -v ./.config ../patches/linux/mainline/defconfig
	cp -v ./arch/riscv/boot/dts/microchip/mpfs-beaglev-fire.dts ../patches/linux/mainline/dts/mpfs-beaglev-fire.dts
	cp -v ./arch/riscv/boot/dts/microchip/mpfs-beaglev-fire-fabric.dtsi ../patches/linux/mainline/dts/mpfs-beaglev-fire-fabric.dtsi
fi
if [ ! -d ../deploy/input/ ] ; then
	mkdir -p ../deploy/input/ || true
fi
cp -v ./arch/riscv/boot/Image ../deploy/input/
cp -v ./arch/riscv/boot/dts/microchip/mpfs-beaglev-fire.dtb ../deploy/input/

cd ../

#