Re: Arm: VFP regression

[Adam Lackorzynski]

Hi,

On Sun Mar 21, 2021 at 12:56:12 +0000, Peter Maydell wrote:
> On Sat, 20 Mar 2021 at 22:38, Adam Lackorzynski <adam@l4re.org> wrote:
> >
> > Hi,
> >
> > I'm seeing a regression in Arm's vfp handling, giving an undefined
> > instruction when reading mvfr1 in PL2/armv7 although the FPU is enabled.
> > The following makes it work again for me, however this just looks like a
> > band-aid. Thanks for taking a look.
> 
> Could you provide a test case, please (QEMU command line and
> image/etc files needed to reproduce) ?

Turns out I was missing one path in my code wrt FPU state and due to
unfortunate and unforeseen timing I was hitting this case. Apologies and
sorry for the noise.


Thanks,
Adam