C++17 RISC-V RV32/64/128 userspace emulator library

• libriscv

  16 409 9.6 C++

  C++20 RISC-V RV32/64/128 userspace emulator library

Yes, I used Spike quite a bit in the beginning. Eventually I moved on to comparing my own instruction logging with objdump -drl program | less.

These days I have a decent test suite. I verify Go and Zig hello worlds (both running through a surprising amount of code): https://github.com/fwsGonzo/libriscv/blob/master/tests/unit/...

And I generate a mandelbrot that I compare: https://github.com/fwsGonzo/libriscv/blob/master/tests/unit/...

Might not cover everything, though. I have tried to integrate with the riscv-tests repository, but it uses a lot of privileged instructions. After I have implemented more of the supervisor extension I will be able to run those tests.

• riscv-isa-sim

  15 2,191 9.0 C

  Spike, a RISC-V ISA Simulator

  

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• sail-riscv

  8 385 7.7 Coq

  Sail RISC-V model

  

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