[Libre-soc-dev] LD/ST Elwidth Overrides

Jacob Lifshay programmerjake at gmail.com
Wed Sep 1 21:15:08 BST 2021

On Wed, Sep 1, 2021, 13:09 lkcl <luke.leighton at gmail.com> wrote:

> On September 1, 2021 7:54:05 PM UTC, Jacob Lifshay <
> programmerjake at gmail.com> wrote:
> >yup, but that still doesn't cover 23(r5.v)
> different section, 1st 4 entries.  23(r5.v) is an
> immediate variant (elstride/unit stride) and that you *do* want ffirst,
> it's the whole point.
> the sole reason Indexed FFIRST is banned is because it can be used to
> probe multiple pages extremely rapidly.

strided ffirst can probe pages just about as rapidly...just set stride to
32kB or something...


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