It's not something we've worked on so far at lowRISC. If SiFive have been working on something in that area I haven't seen them talk about it publicly. Sounds

It's not something we've worked on so far at lowRISC. If SiFive have been working on something in that area I haven't seen them talk about it publicly. Sounds like a great project, if you do start working on it I'd love to discuss more.