4 ms·
LoongArch is, on a first approximation, an almost RISC-V user space instruction set together with MIPS-like privileged instructions and registers.
by bonzini 8mo ago
LoongArch is, on a first approximation, an almost RISC-V user space instruction set together with MIPS-like privileged instructions and registers.
- mananaysiempre 8mo agoWait, this is a modern-ish ISA with a software-managed TLB, I didn’t realize that! The manual seems a bit unhappy about that part though: > In the current version of this architecture specification, TLB refill and consistent maintenance between TLB and page tables are still [sic] all led by software. https://loongson.github.io/LoongArch-Documentation/LoongArch-Vol1-EN.html#software-management-of-tlb https://loongson.github.io/LoongArch-Documentation/LoongArch...
- bonzini 8mo agoI think they have already added hardware page table walks. https://lwn.net/Articles/932048/ https://lwn.net/Articles/932048/