[PATCH v2 06/13] KVM: arm64: Add feature register flag definitions
Fuad Tabba
tabba at google.com
Thu Jul 1 07:31:54 PDT 2021
Hi Will,
On Thu, Jul 1, 2021 at 2:22 PM Will Deacon <will at kernel.org> wrote:
>
> 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 do.
Cheers,
/fuad
> ?
>
> Will
More information about the linux-arm-kernel
mailing list