There are existing reverse engineering efforts for AMD Xilinx devices: https://f4pga.org/ https://f4pga.org/ https://f4pga.readthedocs.io/projects/prjxray/en/

There are existing reverse engineering efforts for AMD Xilinx devices: https://f4pga.org/ https://f4pga.org/ https://f4pga.readthedocs.io/projects/prjxray/en/latest/architecture/bitstream_format.html https://f4pga.readthedocs.io/projects/prjxray/en/latest/arch... https://github.com/f4pga/prjxray https://github.com/f4pga/prjxray https://github.com/epfl-vlsc/bitfiltrator https://github.com/epfl-vlsc/bitfiltrator