Re: [Xen-devel] [PATCH 11/14] xen: arm: handle traps from 64-bit guests

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Tue, 12 Mar 2013, Ian Campbell wrote:
> From: Ian Campbell <ian.campbell@xxxxxxxxxx>
> 
> Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>


Acked-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>

>  xen/arch/arm/arm64/entry.S |    9 +++++++--
>  1 file changed, 7 insertions(+), 2 deletions(-)
> 
> diff --git a/xen/arch/arm/arm64/entry.S b/xen/arch/arm/arm64/entry.S
> index a5fd608..7799751 100644
> --- a/xen/arch/arm/arm64/entry.S
> +++ b/xen/arch/arm/arm64/entry.S
> @@ -142,11 +142,16 @@ hyp_irq:
>  
>  guest_sync:
>          entry   hyp=0, compat=0
> -        invalid BAD_SYNC /* No AArch64 guest support yet */
> +        msr     daifclr, #2
> +        mov     x0, sp
> +        bl      do_trap_hypervisor
> +        b       return_to_guest
>  
>  guest_irq:
>          entry   hyp=0, compat=0
> -        invalid BAD_IRQ /* No AArch64 guest support yet */
> +        mov     x0, sp
> +        bl      do_trap_irq
> +        b       return_to_guest
>  
>  guest_fiq_invalid:
>          entry   hyp=0, compat=0
> -- 
> 1.7.10.4
> 

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