Re: [Xen-devel] [PATCH 10/27] xen/arm: arm32: Don't define FAR_EL1

[Andre Przywara <andre.przywara@xxxxxxx>]

Hi,

On 14/08/17 15:24, Julien Grall wrote:
> Aliasing FAR_EL1 to IFAR is wrong because on ARMv8 FAR_EL1[31:0] is
> architecturally mapped to DFAR and FAR_EL1[63:32] to DFAR.
                                                       ^^^^
Should be IFAR, I guess?
Please put a quid into the copy-and-paste piggy bank ;-)

Otherwise it's fine.

> As FAR_EL1 is not currently used in ARM32 code, remove it.
> 
> Signed-off-by: Julien Grall <julien.grall@xxxxxxx>

Reviewed-by: Andre Przywara <andre.przywara@xxxxxxx>

Cheers,
Andre.

> ---
>  xen/include/asm-arm/cpregs.h | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/xen/include/asm-arm/cpregs.h b/xen/include/asm-arm/cpregs.h
> index 1889d7cbfb..9e138489f0 100644
> --- a/xen/include/asm-arm/cpregs.h
> +++ b/xen/include/asm-arm/cpregs.h
> @@ -306,7 +306,6 @@
>  #define DACR32_EL2              DACR
>  #define ESR_EL1                 DFSR
>  #define ESR_EL2                 HSR
> -#define FAR_EL1                 HIFAR
>  #define HCR_EL2                 HCR
>  #define HPFAR_EL2               HPFAR
>  #define HSTR_EL2                HSTR
> 

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