Re: [PATCH v4 5/9] arm64/sysreg: Update ID_AA64SMFR0_EL1 to DDI0601 2024-09

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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@xxxxxxxxxx>
> ---
>  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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