[PATCH 01/10] arm64: sysreg: Add new PMSIDR_EL1 and PMSFCR_EL1 fields
Marc Zyngier
maz at kernel.org
Fri May 16 07:38:48 PDT 2025
On Tue, 06 May 2025 12:41:33 +0100,
James Clark <james.clark at linaro.org> wrote:
>
> Add new fields and registers that are introduced for the features
> FEAT_SPE_CRR (call return records), FEAT_SPE_EFT (extended filtering),
> FEAT_SPE_FPF (floating point flag), FEAT_SPE_FDS (data source
> filtering), FEAT_SPE_ALTCLK and FEAT_SPE_SME.
>
> Signed-off-by: James Clark <james.clark at linaro.org>
> ---
> arch/arm64/tools/sysreg | 26 ++++++++++++++++++++++----
> 1 file changed, 22 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
> index bdf044c5d11b..80d57c83a5f5 100644
> --- a/arch/arm64/tools/sysreg
> +++ b/arch/arm64/tools/sysreg
> @@ -2205,11 +2205,20 @@ Field 0 RND
> EndSysreg
>
> Sysreg PMSFCR_EL1 3 0 9 9 4
> -Res0 63:19
> +Res0 63:53
> +Field 52 SIMDm
> +Field 51 FPm
> +Field 50 STm
> +Field 49 LDm
> +Field 48 Bm
> +Res0 47:21
> +Field 20 SIMD
> +Field 19 FP
> Field 18 ST
> Field 17 LD
> Field 16 B
> -Res0 15:4
> +Res0 15:5
> +Field 4 FDS
> Field 3 FnE
> Field 2 FL
> Field 1 FT
> @@ -2226,7 +2235,12 @@ Field 15:0 MINLAT
> EndSysreg
>
> Sysreg PMSIDR_EL1 3 0 9 9 7
> -Res0 63:25
> +Res0 63:33
> +Field 32 SME
> +Field 31:28 ALTCLK
> +Field 27 FPF
> +Field 26 EFT
> +Field 25 CRR
These are described as enumerations in the JSON file (see [1]).
M.
[1] https://lore.kernel.org/all/20250506164348.346001-7-maz@kernel.org
--
Without deviation from the norm, progress is not possible.
More information about the linux-arm-kernel
mailing list