[Libre-soc-dev] remap status?

Luke Kenneth Casson Leighton lkcl at lkcl.net
Fri May 28 15:44:38 BST 2021


On Fri, May 28, 2021 at 3:32 PM Lauri Kasanen <cand at gmx.com> wrote:

>
> This is much of the point of kvm-pr, emulating weird instructions, but
> naturally it would be a ton of code.
>

autogenerated for the most part, directly from the pseudo-code spec.
instead of this outputting python:
https://git.libre-soc.org/?p=openpower-isa.git;a=blob;f=src/openpower/decoder/pseudo/parser.py;hb=HEAD

an alternative variant would instead output c code.  job done, for literally
hundreds of instructions. doesn't cover the VL for-loop, but it smashes
through the majority of the work needed.

l.


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