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



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>

Cheers,

--
Julien Grall



 


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