Full-scale RISC-V soft-core microcontroller SoC with on-chip debugger compatible to openocd and GNU gdb
Since there's no clear connection, I've taken Show HN out of the title now. But if it actually is your personal work, let us know and we'll be happy to put it back.
If it's not your work, it's still a fine submission, it just needs to not say "Show HN" in that case.