[gem5-users] Has anyone ever produced an Spectre or Meltdown proof of concept running on gem5 or would that be feasible?

[Ciro Santilli]

Does not need to be running on top of a full Linux, could be just some
bare-metal setup that jumps to userland and then breaks memory
separation.

This could be a fun educational project, and would increase gem5's fame :-)

[Jason Lowe-Power]

Hi Ciro,

Yeah. In fact, I think I've pointed to this before on the mailing list. See
https://github.com/jlpresearch/gem5/tree/spectre-test for all of the
necessary code and configs. There's also a brief explanation of how it
works in spectre.rst. The visualization with the pipeline viewer (or Konata
https://github.com/shioyadan/Konata) is pretty cool. I am planning on
writing up a blog post on this, but I need to find the time.

Cheers,
Jason

Post by Ciro Santilli
Does not need to be running on top of a full Linux, could be just some
bare-metal setup that jumps to userland and then breaks memory
separation.
This could be a fun educational project, and would increase gem5's fame :-)
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[Ciro Santilli]

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[Jason Lowe-Power]

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