Bitstream maskBitstream = cmdLineParser.parseOptionalBitstreamFromOptionsExitOnError(options, MASK_BITSTREAM_OPTION, true);
if (maskBitstream != null) {
XilinxConfigurationSpecification partInfo = cmdLineParser.getPartInfoExitOnError(options, maskBitstream, true);
FPGA maskFPGA = new FPGA(partInfo);
// Configure FPGA
maskFPGA.configureBitstream(maskBitstream);
// Now mask the two FPGAs
FPGAOperation.MASKoperation(fpga1, maskFPGA);
FPGAOperation.MASKoperation(fpga2, maskFPGA);
}