[Libre-soc-isa] [Bug 1214] Simple-V ISA Expansion -- Evaluate adding Simple-V to x86

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=1214

--- Comment #3 from Jacob Lifshay <programmerjake at gmail.com> ---
we could also just modify bochs, which supports x86_64 and is much simpler than
qemu (like risc-v's spike). it's LGPLv2+.
https://github.com/bochs-emu/Bochs

e.g. here's one of the subtract instructions (just 10 lines of code excluding
blank lines):
https://github.com/bochs-emu/Bochs/blob/4ee9d37a5f6207934003a4b4102aa3a402221bbe/bochs/cpu/arith64.cc#L222

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