FWIW I wrote this article a while back all about RISC-V extensions and how they work at a low level: https://research.redhat.com/blog/article/risc-v-extensions-

FWIW I wrote this article a while back all about RISC-V extensions and how they work at a low level: https://research.redhat.com/blog/article/risc-v-extensions-whats-available-and-how-to-find-it/ https://research.redhat.com/blog/article/risc-v-extensions-w... page 22 in this PDF: https://research.redhat.com/wp-content/uploads/2023/12/RHRQ_November2023_WEB.pdf https://research.redhat.com/wp-content/uploads/2023/12/RHRQ_...