[PATCH v2 06/13] KVM: arm64: Add feature register flag definitions

[Will Deacon]

On Tue, Jun 15, 2021 at 02:39:43PM +0100, Fuad Tabba wrote:
> Add feature register flag definitions to clarify which features
> might be supported.
> 
> No functional change intended.
> 
> Signed-off-by: Fuad Tabba <tabba at google.com>
> ---
>  arch/arm64/include/asm/sysreg.h | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
> index 65d15700a168..42bcc5102d10 100644
> --- a/arch/arm64/include/asm/sysreg.h
> +++ b/arch/arm64/include/asm/sysreg.h
> @@ -789,6 +789,10 @@
>  #define ID_AA64PFR0_FP_SUPPORTED	0x0
>  #define ID_AA64PFR0_ASIMD_NI		0xf
>  #define ID_AA64PFR0_ASIMD_SUPPORTED	0x0
> +#define ID_AA64PFR0_EL3_64BIT_ONLY	0x1
> +#define ID_AA64PFR0_EL3_32BIT_64BIT	0x2
> +#define ID_AA64PFR0_EL2_64BIT_ONLY	0x1
> +#define ID_AA64PFR0_EL2_32BIT_64BIT	0x2
>  #define ID_AA64PFR0_EL1_64BIT_ONLY	0x1
>  #define ID_AA64PFR0_EL1_32BIT_64BIT	0x2
>  #define ID_AA64PFR0_EL0_64BIT_ONLY	0x1

Maybe just consolidate all of these into two definitions:

  #define ID_AA64PFR0_ELx_64BIT_ONLY   0x1
  #define ID_AA64PFR0_ELx_32BIT_64BIT  0x2

?

Will