Here is the source code* for the CPU: https://github.com/T-head-Semi/openc910 https://github.com/T-head-Semi/openc910 * AFAIK they didn't opensource the pre r

Here is the source code* for the CPU: https://github.com/T-head-Semi/openc910 https://github.com/T-head-Semi/openc910 * AFAIK they didn't opensource the pre ratification vector extension implementation they ship with the taped out chip.