prepare_kernel.sh

  
#!/bin/bash

# Author: Xianjun Jiao
# SPDX-FileCopyrightText: 2019 UGent
# SPDX-License-Identifier: AGPL-3.0-or-later

# ATTENTION! You need Vitis, NOT Vitis_HLS, installed

# if [ "$#" -ne 1 ]; then
#     echo "You must enter 1 arguments: ARCH_BIT(32 or 64)"
#     exit 1
# fi

# OPENWIFI_DIR=$(pwd)/../
# ARCH_OPTION=$1

if [ "$#" -ne 2 ]; then
    echo "You must enter 2 arguments: \$XILINX_DIR ARCH_BIT(32 or 64)"
    exit 1
fi

OPENWIFI_DIR=$(pwd)/../
XILINX_DIR=$1
ARCH_OPTION=$2

if [ -f "$OPENWIFI_DIR/LICENSE" ]; then
    echo "\$OPENWIFI_DIR is found!"
else
    echo "\$OPENWIFI_DIR is not correct. Please check!"
    exit 1
fi

if [ -d "$XILINX_DIR/Vitis" ]; then
    echo "\$XILINX_DIR is found!"
else
    echo "\$XILINX_DIR is not correct. Please check!"
    exit 1
fi

if [ "$ARCH_OPTION" != "32" ] && [ "$ARCH_OPTION" != "64" ]; then
    echo "\$ARCH_OPTION is not correct. Should be 32 or 64. Please check!"
    exit 1
else
    echo "\$ARCH_OPTION is valid!"
fi

if [ "$ARCH_OPTION" == "64" ]; then
    LINUX_KERNEL_SRC_DIR_NAME=adi-linux-64
    LINUX_KERNEL_CONFIG_FILE=$OPENWIFI_DIR/kernel_boot/kernel_config_zynqmp
    ARCH_NAME="arm64"
    CROSS_COMPILE_NAME="aarch64-linux-gnu-"
    IMAGE_TYPE=Image
else
    LINUX_KERNEL_SRC_DIR_NAME=adi-linux
    LINUX_KERNEL_CONFIG_FILE=$OPENWIFI_DIR/kernel_boot/kernel_config
    ARCH_NAME="arm"
    CROSS_COMPILE_NAME="arm-linux-gnueabihf-"
    IMAGE_TYPE=uImage
fi

home_dir=$(pwd)

set -x

cd $OPENWIFI_DIR/
git submodule init $LINUX_KERNEL_SRC_DIR_NAME
cd $OPENWIFI_DIR/$LINUX_KERNEL_SRC_DIR_NAME
git reset --hard
cd $OPENWIFI_DIR/
git submodule update $LINUX_KERNEL_SRC_DIR_NAME
cd $OPENWIFI_DIR/$LINUX_KERNEL_SRC_DIR_NAME
git fetch
git checkout 2021_r1
git pull origin 2021_r1
git reset --hard 2021_r1

export ARCH=$ARCH_NAME
export CROSS_COMPILE=$CROSS_COMPILE_NAME
source $XILINX_DIR/Vitis/2021.1/settings64.sh

# if [ "$ARCH_OPTION" == "64" ]; then
  cp $LINUX_KERNEL_CONFIG_FILE ./.config
  # cp $OPENWIFI_DIR/driver/ad9361/ad9361.c $OPENWIFI_DIR/$LINUX_KERNEL_SRC_DIR_NAME/drivers/iio/adc/ad9361.c -rf
  # cp $OPENWIFI_DIR/driver/ad9361/ad9361_conv.c $OPENWIFI_DIR/$LINUX_KERNEL_SRC_DIR_NAME/drivers/iio/adc/ad9361_conv.c -rf
  git apply ../kernel_boot/axi_hdmi_crtc.patch
  git apply ../kernel_boot/ad9361.patch
  git apply ../kernel_boot/ad9361_conv.patch
# else
  # make zynq_xcomm_adv7511_defconfig
# fi

make oldconfig
# make adi_zynqmp_defconfig
make prepare && make modules_prepare

# if [ "$#" -gt 2 ]; then
make -j12 $IMAGE_TYPE UIMAGE_LOADADDR=0x8000
make modules
# fi

cd $home_dir