[PATCH 14/28] arm64: sysreg: Add HCRX_EL2 bits related to FEAT_NV3

Joey Gouly joey.gouly at arm.com
Fri Jul 10 07:56:52 PDT 2026


On Thu, Jul 02, 2026 at 05:02:34PM +0100, Marc Zyngier wrote:
> FEAT_NV3 introduces 4 new HCRX_EL2 control bits. Describe them
> in the sysreg file.
> 
> Signed-off-by: Marc Zyngier <maz at kernel.org>

Checked against the spec.

Reviewed-by: Joey Gouly <joey.gouly at arm.com>

> ---
>  arch/arm64/tools/sysreg | 7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
> index 31e4ea455a9ce..afe9337851a2e 100644
> --- a/arch/arm64/tools/sysreg
> +++ b/arch/arm64/tools/sysreg
> @@ -4548,7 +4548,12 @@ Fields	ZCR_ELx
>  EndSysreg
>  
>  Sysreg	HCRX_EL2	3	4	1	2	2
> -Res0	63:27
> +Res0	63:35
> +Field	34	NVnTTLBOS
> +Field	33	NVnTTLBIS
> +Field	32	NVnTTLB
> +Res0	31:28
> +Field	27	NVTGE
>  Field	26	SRMASKEn
>  Res0	25
>  Field	24	PACMEn
> -- 
> 2.47.3
> 



More information about the linux-arm-kernel mailing list