This directory sub-tree contains **a wide range of support modules** 
and is organized in

| Directory | Content |
| --------- | ------- |
| [cdclib](cdclib)   | modules for clock domain crossing |
| [comlib](comlib)   | modules for communication |
| [genlib](genlib)   | grab bag of other modules |
| [memlib](memlib)   | wrappers for distributed and block RAM; fifos |
| [rbus](rbus)       | modules for rbus fabric; some basic rbus devices |
| [rlink](rlink)     | rlink interface |
| [serport](serport) | serial port interface |
| [simlib](simlib)   | helper modules for test benches |
| [xlib](xlib)       | warppers for some Xilinx components |