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RISC-V is fully trap-and-emulate-able and so you can even do this without the virtualization extension! Though page table walks and the like will be done in har
by arjvik 1y ago
RISC-V is fully trap-and-emulate-able and so you can even do this without the virtualization extension! Though page table walks and the like will be done in hardware and thus will be very slow.
- drob518 1y agoI think you mean “…will be done in software…,” right?
- arjvik 1y agoYes oops!
- nerpderp82 1y agoCould you do page table walks in RVV?
- remexre 1y agoThey're dependent loads, so probably not except for the last level of page tables (and that's just be "prefetching" -- doing 4/8/etc walks in parallel, not 1 walk in less time).