modules fipmodule , khwl , kiss_khwl we are forced to use the binary modules. Building a Firmware Image After modifying the extracted firmware the below script will build a firmware ISO image from it. DIR=firmware_dir ISO=firmware.iso BOOT=boot293.img cd ${DIR} genromfs -v -d romfs -f romfs.bin -a 512 -V 'romfs' md5sum romfs.bin