Ah no I found it: https://github.com/fabianschuiki/llhd It does seem to be part ...

		IshKebab 8 days ago \| parent \| context \| favorite \| on: A FPGA friendly 32 bit RISC-V CPU implementation Ah no I found it: https://github.com/fabianschuiki/llhd It does seem to be part of CIRCT in some way though. Maybe it inspired FIRRTL or something. Slightly unclear relationship between the projects!