Re: [PATCH v4 02/29] arm64: Update ID_AA64MMFR4_EL1 description to 2026-03 JSON release

On Thu, Jul 30, 2026 at 08:09:55AM +0100, Marc Zyngier wrote:
> ID_AA64MMFR4_EL1 has gained a few fields and enum values in the past
> few months, so resync its definition with the 2026-03 JSON release.
> 
> Signed-off-by: Marc Zyngier <[email protected]>

Checked the values.

Reviewed-by: Joey Gouly <[email protected]>

> ---
>  arch/arm64/tools/sysreg | 32 ++++++++++++++++++++++++++++----
>  1 file changed, 28 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
> index 7cb61aca3797f..3171c87eb2447 100644
> --- a/arch/arm64/tools/sysreg
> +++ b/arch/arm64/tools/sysreg
> @@ -2386,17 +2386,40 @@ EndEnum
>  EndSysreg
>  
>  Sysreg	ID_AA64MMFR4_EL1	3	0	0	7	4
> -Res0	63:48
> -UnsignedEnum	47:44	SRMASK
> +UnsignedEnum	63:60	MTEFGT
> +	0b0000	NI
> +	0b0001	IMP
> +EndEnum
> +UnsignedEnum	59:56	SCRX
> +	0b0000	NI
> +	0b0001	IMP
> +EndEnum
> +UnsignedEnum	55:52	TEV
> +	0b0000	NI
> +	0b0001	IMP
> +EndEnum
> +UnsignedEnum	51:48	TPS
> +	0b0000	VAL_0000
> +	0b0001	VAL_0001
> +	0b0010	VAL_0010
> +EndEnum
> +UnsignedEnum	47:44	SRMASK
> +	0b0000	NI
> +	0b0001	IMP
> +	0b0010	SRMASK2
> +EndEnum
> +UnsignedEnum	43:40	TLBID
>  	0b0000	NI
>  	0b0001	IMP
>  EndEnum
> -Res0	43:40
>  UnsignedEnum	39:36	E3DSE
>  	0b0000	NI
>  	0b0001	IMP
>  EndEnum
> -Res0	35:32
> +UnsignedEnum	35:32	EAESR
> +	0b0000	NI
> +	0b0001	IMP
> +EndEnum
>  UnsignedEnum	31:28	RMEGDI
>  	0b0000	NI
>  	0b0001	IMP
> @@ -2410,6 +2433,7 @@ UnsignedEnum	23:20	NV_frac
>  	0b0000	NV_NV2
>  	0b0001	NV2_ONLY
>  	0b0010	NV2P1
> +	0b0011	NV3
>  EndEnum
>  UnsignedEnum	19:16	FGWTE3
>  	0b0000	NI
> -- 
> 2.47.3
>