[PATCH v4 5/9] arm64/sysreg: Update ID_AA64SMFR0_EL1 to DDI0601 2024-09
Will Deacon
will at kernel.org
Tue Jan 7 07:13:24 PST 2025
On Wed, Dec 11, 2024 at 01:02:50AM +0000, Mark Brown wrote:
> DDI0601 2024-09 introduces SME 2.2 as well as a few new optional features,
> update sysreg to reflect the changes in ID_AA64SMFR0_EL1 enumerating them.
>
> Signed-off-by: Mark Brown <broonie at kernel.org>
> ---
> arch/arm64/tools/sysreg | 32 +++++++++++++++++++++++++++++++-
> 1 file changed, 31 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
> index c792bd3b0afbb5fb7e438a4d760d9f2d15621eee..d78b12c59658b480739ae797f5ea2c2f14d8d765 100644
> --- a/arch/arm64/tools/sysreg
> +++ b/arch/arm64/tools/sysreg
> @@ -1105,6 +1105,7 @@ UnsignedEnum 59:56 SMEver
> 0b0000 SME
> 0b0001 SME2
> 0b0010 SME2p1
> + 0b0011 SME2p2
> 0b0000 IMP
> EndEnum
> UnsignedEnum 55:52 I16I64
> @@ -1169,7 +1170,36 @@ UnsignedEnum 28 SF8DP2
> 0b0 NI
> 0b1 IMP
> EndEnum
> -Res0 27:0
> +UnsignedEnum 27 SF8MM8
> + 0b0 NI
> + 0b1 IMP
> +EndEnum
> +UnsignedEnum 26 SF8MM4
> + 0b0 NI
> + 0b1 IMP
> +EndEnum
afaict, bits 27 and 26 are still RES0 in all the documentation I can
find...
Will
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