### Background Work - [X] Yes, I searched the [mailing list](https://groups.google.com/forum/#!forum/chipyard) - [X] Yes, I searched the [documentation](https://chipyard.readthedocs.io/) ### Feature Description Follow up on comments in https://github.com/ucb-bar/chipyard/pull/1386 to improve xcelium support - [ ] Add support for SHM waveforms, with VCD as fallback - [ ] Reduce number of generated TCL files ### Motivating Example Improve xcelium support