linux-kernel - Re: [PATCH 05/13] arm64/sysreg: Add definition for ID_AA64PFR2

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Date:   Mon, 11 Dec 2023 08:59:09 +0000
From:   Fuad Tabba <tabba@...gle.com>
To:     Mark Brown <broonie@...nel.org>
Cc:     Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>, Joey Gouly <joey.gouly@....com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 05/13] arm64/sysreg: Add definition for ID_AA64PFR2_EL1

Hi Mark,

Thanks for putting this patch series together.

On Sat, Dec 9, 2023 at 1:03 AM Mark Brown <broonie@...nel.org> wrote:
>
> DDI0601 2023-09 defines a new system register ID_AA64PFR2_EL1 which
> enumerates FPMR and some new MTE features. Add a definition of this
> register.
>
> Signed-off-by: Mark Brown <broonie@...nel.org>

Reviewed-by: Fuad Tabba <tabba@...gle.com>

Cheers,
/fuad

> ---
>  arch/arm64/tools/sysreg | 21 +++++++++++++++++++++
>  1 file changed, 21 insertions(+)
>
> diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
> index c2dbbaa22620..c48a3b8d00ad 100644
> --- a/arch/arm64/tools/sysreg
> +++ b/arch/arm64/tools/sysreg
> @@ -1002,6 +1002,27 @@ UnsignedEnum     3:0     BT
>  EndEnum
>  EndSysreg
>
> +Sysreg ID_AA64PFR2_EL1 3       0       0       4       2
> +Res0   63:36
> +UnsignedEnum   35:32   FPMR
> +       0b0000  NI
> +       0b0001  IMP
> +EndEnum
> +Res0   31:12
> +UnsignedEnum   11:8    MTEFAR
> +       0b0000  NI
> +       0b0001  IMP
> +EndEnum
> +UnsignedEnum   7:4     MTESTOREONLY
> +       0b0000  NI
> +       0b0001  IMP
> +EndEnum
> +UnsignedEnum   3:0     MTEPERM
> +       0b0000  NI
> +       0b0001  IMP
> +EndEnum
> +EndSysreg
> +
>  Sysreg ID_AA64ZFR0_EL1 3       0       0       4       4
>  Res0   63:60
>  UnsignedEnum   59:56   F64MM
>
> --
> 2.39.2
>