Re: [PATCH] xen/arm32: SPSR_hyp/SPSR

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

On Wed, 9 Jun 2021, Julien Grall wrote:
> Hi Stefano,
> 
> On 09/06/2021 18:43, Stefano Stabellini wrote:
> > SPSR_hyp is not meant to be accessed from Hyp mode (EL2); accesses
> > trigger UNPREDICTABLE behaviour. Xen should read/write SPSR instead.
> 
> Please provide a reference to the spec. This helps reviewer and/or future
> developper to figure out quickly where this comes from.
> 
> > 
> > This fixes booting Xen/arm32 on QEMU.
> > 
> > Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxx>
> 
> With the reference added:
> 
> Reviewed-by: Julien Grall <jgrall@xxxxxxxxxx>

Thanks!

I added: ARM DDI 0487D.b page G8-5993 and committed it