post-process.bbclass

ROOTFS_POSTPROCESS_COMMAND += "deploy_manifest;"
ROOTFS_POSTPROCESS_COMMAND += "copy_scripts;"
ROOTFS_POSTPROCESS_COMMAND += "copy_dart_design;"
ROOTFS_POSTPROCESS_COMMAND += "set_env_vars;"
IMAGE_POSTPROCESS_COMMAND += "patch_pcap_devicetree;"

deploy_manifest () {
    if [ -e "${IMAGE_MANIFEST}" ]; then
        cp ${IMAGE_MANIFEST} ${IMAGE_ROOTFS}/home/root/rootfs.manifest
    fi
}

copy_scripts () {
    META_FRED_DIR="${TOPDIR}/../components/ext_source/meta-fred/"
    if [ -e "${IMAGE_ROOTFS}" ]; then
        cp ${META_FRED_DIR}/scripts/update_hw ${IMAGE_ROOTFS}/usr/bin/update_hw
        cp ${META_FRED_DIR}/scripts/load_hw ${IMAGE_ROOTFS}/usr/bin/load_hw
    fi
}

# if there is a fred.tar.gz in the base patalinux directory, this file will be inserted into the image
copy_dart_design () {
    FRED_TAR_GZ="${TOPDIR}/../fred.tar.gz"
    if [ -e "${FRED_TAR_GZ}" ]; then
        mkdir -p ${IMAGE_ROOTFS}/opt/fredsys
        cp ${FRED_TAR_GZ} ${IMAGE_ROOTFS}/opt/fredsys
        cd ${IMAGE_ROOTFS}/opt/fredsys
        tar xzf fred.tar.gz .
    fi
}

# place your environment variables here
set_env_vars(){
    mkdir -p ${IMAGE_ROOTFS}/etc/profile.d 
    #echo "export BOARD=${MACHINE}" > ${IMAGE_ROOTFS}/etc/profile.d/set_board_env
    echo "alias ll='ls -lah'" > ${IMAGE_ROOTFS}/etc/profile.d/set_alias
    echo "alias h='history | grep \$1'" >> ${IMAGE_ROOTFS}/etc/profile.d/set_alias
}

# executes the procedure recommended in
# https://xilinx-wiki.atlassian.net/wiki/spaces/A/pages/18841676/U-Boot+Flattened+Device+Tree
# to patch the devicetree
patch_pcap_devicetree () {
    PETA_DEPLOY_DIR="${TOPDIR}/../images/linux"
    cd ${PETA_DEPLOY_DIR}
    cp ../../components/ext_source/meta-fred/recipes-kernel/fpga-mgr-zynqmp-drv/image.its .
    if [ -e "${PETA_DEPLOY_DIR}/system.dtb" ]; then
        #cp system.dtb system-bkp.dtb
        #cp image.ub image-bkp.ub
        dtc -O dts -o system.dts -b 0 -@ system.dtb
        sed -i 's/,zynqmp-pcap-fpga\"/,zynqmp-pcap-fpga-fmod\"/g' system.dts
        dtc -O dtb -o system.dtb -b 0 -@ system.dts    
        /usr/bin/mkimage -f image.its image.ub
    fi
}