[RFC PATCH v6 01/35] arm64/sysreg: Add new SPE fields

[Suzuki K Poulose]

On 14/11/2025 16:06, Alexandru Elisei wrote:
> Add the PMBSR_EL1.MSS2, PMBISR_EL1.MaxBuffSize, PMBLIMITR_EL1.nVM and

minor nit:                ^PMBIDR_EL1

> PMBIDR_EL1.AddrMode fields, which will be used by KVM.
> 

The defintions look correct to me.

Suzuki


> Signed-off-by: Alexandru Elisei <alexandru.elisei at arm.com>
> ---
>   arch/arm64/tools/sysreg | 18 ++++++++++++++----
>   1 file changed, 14 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
> index 1c6cdf9d54bb..1e7b69594f04 100644
> --- a/arch/arm64/tools/sysreg
> +++ b/arch/arm64/tools/sysreg
> @@ -3070,7 +3070,9 @@ EndSysreg
>   
>   Sysreg	PMBLIMITR_EL1	3	0	9	10	0
>   Field	63:12	LIMIT
> -Res0	11:6
> +Res0	11:8
> +Field	7	nVM
> +Res0	6
>   Field	5	PMFZ
>   Res0	4:3
>   Enum	2:1	FM
> @@ -3085,7 +3087,8 @@ Field	63:0	PTR
>   EndSysreg
>   
>   Sysreg	PMBSR_EL1	3	0	9	10	3
> -Res0	63:32
> +Res0	63:56
> +Field	55:32	MSS2
>   Enum	31:26	EC
>   	0b000000	BUF
>   	0b100100	FAULT_S1
> @@ -3112,13 +3115,20 @@ Field	7:0	Attr
>   EndSysreg
>   
>   Sysreg	PMBIDR_EL1	3	0	9	10	7
> -Res0	63:12
> +Res0	63:48
> +Field	47:32	MaxBuffSize
> +Res0	31:12
>   Enum	11:8	EA
>   	0b0000	NotDescribed
>   	0b0001	Ignored
>   	0b0010	SError
>   EndEnum
> -Res0	7:6
> +Enum	7:6	AddrMode
> +	0b00	VM_ONLY
> +	0b01	BOTH
> +	0b10	RESERVED
> +	0b11	nVM_ONLY
> +EndEnum
>   Field	5	F
>   Field	4	P
>   Field	3:0	ALIGN