Re: [PATCH v3 07/14] powerpc/traps: Check for prefixed instructions in facility_unavailable_exception()

[Jordan Niethe]

On Wed, Feb 26, 2020 at 5:53 PM Nicholas Piggin <npig...@gmail.com> wrote:
>
> Jordan Niethe's on February 26, 2020 2:07 pm:
> > If prefixed instructions are made unavailable by the [H]FSCR, attempting
> > to use them will cause a facility unavailable exception. Add "PREFIX" to
> > the facility_strings[].
> >
> > Currently there are no prefixed instructions that are actually emulated
> > by emulate_instruction() within facility_unavailable_exception().
> > However, when caused by a prefixed instructions the SRR1 PREFIXED bit is
> > set. Prepare for dealing with emulated prefixed instructions by checking
> > for this bit.
> >
> > Signed-off-by: Jordan Niethe <jniet...@gmail.com>
>
> Oh you've got it here, I would just squash this together with the first
> patch.
Sure, I'll put them together. When you mentioned a couple more things
to do in traps.c, was it just this? Or is there still more to be done
adding an FSCR?
>
> Thanks,
> Nick