Hi Mark,
On Sat, Dec 9, 2023 at 1:04 AM Mark Brown <broonie@kernel.org> wrote:
>
> FEAT_GCS introduces a number of new system registers. Add the registers
> available up to EL2 to sysreg as per DDI0601 2022-12.
>
> Signed-off-by: Mark Brown <broonie@kernel.org>
> ---
> arch/arm64/tools/sysreg | 55 +++++++++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 55 insertions(+)
>
> diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
> index 1c6d1c904750..b2007963523e 100644
> --- a/arch/arm64/tools/sysreg
> +++ b/arch/arm64/tools/sysreg
> @@ -1903,6 +1903,41 @@ Sysreg SMCR_EL1 3 0 1 2 6
> Fields SMCR_ELx
> EndSysreg
>
> +SysregFields GCSCR_ELx
> +Res0 63:10
> +Field 9 STREn
> +Field 8 PUSHMEn
This is related to my comment for patch 11/13 on HCRX_EL2, now we have
a case where the n is in the spec itself, rather than a prefix. Not
sure if it would be good to add an n as a prefix as well to these,
since they do trap at 0, or if you should just forget my comment on
patch 11 :)
Reviewed-by: Fuad Tabba <tabba@google.com>
Cheers,
/fuad
> +Res0 7
> +Field 6 EXLOCKEN
> +Field 5 RVCHKEN
> +Res0 4:1
> +Field 0 PCRSEL
> +EndSysregFields
> +
> +Sysreg GCSCR_EL1 3 0 2 5 0
> +Fields GCSCR_ELx
> +EndSysreg
> +
> +SysregFields GCSPR_ELx
> +Field 63:3 PTR
> +Res0 2:0
> +EndSysregFields
> +
> +Sysreg GCSPR_EL1 3 0 2 5 1
> +Fields GCSPR_ELx
> +EndSysreg
> +
> +Sysreg GCSCRE0_EL1 3 0 2 5 2
> +Res0 63:11
> +Field 10 nTR
> +Field 9 STREn
> +Field 8 PUSHMEn
> +Res0 7:6
> +Field 5 RVCHKEN
> +Res0 4:1
> +Field 0 PCRSEL
> +EndSysreg
> +
> Sysreg ALLINT 3 0 4 3 0
> Res0 63:14
> Field 13 ALLINT
> @@ -2133,6 +2168,10 @@ Field 4 DZP
> Field 3:0 BS
> EndSysreg
>
> +Sysreg GCSPR_EL0 3 3 2 5 1
> +Fields GCSPR_ELx
> +EndSysreg
> +
> Sysreg SVCR 3 3 4 2 2
> Res0 63:2
> Field 1 ZA
> @@ -2531,6 +2570,14 @@ Sysreg SMCR_EL2 3 4 1 2 6
> Fields SMCR_ELx
> EndSysreg
>
> +Sysreg GCSCR_EL2 3 4 2 5 0
> +Fields GCSCR_ELx
> +EndSysreg
> +
> +Sysreg GCSPR_EL2 3 4 2 5 1
> +Fields GCSPR_ELx
> +EndSysreg
> +
> Sysreg DACR32_EL2 3 4 3 0 0
> Res0 63:32
> Field 31:30 D15
> @@ -2590,6 +2637,14 @@ Sysreg SMCR_EL12 3 5 1 2 6
> Fields SMCR_ELx
> EndSysreg
>
> +Sysreg GCSCR_EL12 3 5 2 5 0
> +Fields GCSCR_ELx
> +EndSysreg
> +
> +Sysreg GCSPR_EL12 3 5 2 5 1
> +Fields GCSPR_ELx
> +EndSysreg
> +
> Sysreg FAR_EL12 3 5 6 0 0
> Field 63:0 ADDR
> EndSysreg
>
> --
> 2.39.2
>