[PATCH v4 01/10] dt-bindings: riscv: Add pointer masking ISA extensions

Charlie Jenkins charlie at rivosinc.com
Thu Sep 12 18:08:00 PDT 2024


On Wed, Aug 28, 2024 at 06:01:23PM -0700, Samuel Holland wrote:
> The RISC-V Pointer Masking specification defines three extensions:
> Smmpm, Smnpm, and Ssnpm. Document the behavior of these extensions as
> following the current draft of the specification, which is frozen at
> version 1.0.0-rc2.
> 
> Acked-by: Conor Dooley <conor.dooley at microchip.com>
> Signed-off-by: Samuel Holland <samuel.holland at sifive.com>
> ---

Looks like only aesthetic changes were made, but the spec was updated to
1.0-rc3 (interestingly the second 0 was dropped).

Reviewed-by: Charlie Jenkins <charlie at rivosinc.com>

> 
> (no changes since v3)
> 
> Changes in v3:
>  - Note in the commit message that the ISA extension spec is frozen
> 
> Changes in v2:
>  - Update pointer masking specification version reference
> 
>  .../devicetree/bindings/riscv/extensions.yaml  | 18 ++++++++++++++++++
>  1 file changed, 18 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
> index a06dbc6b4928..a6d685791221 100644
> --- a/Documentation/devicetree/bindings/riscv/extensions.yaml
> +++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
> @@ -128,6 +128,18 @@ properties:
>              changes to interrupts as frozen at commit ccbddab ("Merge pull
>              request #42 from riscv/jhauser-2023-RC4") of riscv-aia.
>  
> +        - const: smmpm
> +          description: |
> +            The standard Smmpm extension for M-mode pointer masking as defined
> +            at commit 654a5c4a7725 ("Update PDF and version number.") of
> +            riscv-j-extension.
> +
> +        - const: smnpm
> +          description: |
> +            The standard Smnpm extension for next-mode pointer masking as defined
> +            at commit 654a5c4a7725 ("Update PDF and version number.") of
> +            riscv-j-extension.
> +
>          - const: smstateen
>            description: |
>              The standard Smstateen extension for controlling access to CSRs
> @@ -147,6 +159,12 @@ properties:
>              and mode-based filtering as ratified at commit 01d1df0 ("Add ability
>              to manually trigger workflow. (#2)") of riscv-count-overflow.
>  
> +        - const: ssnpm
> +          description: |
> +            The standard Ssnpm extension for next-mode pointer masking as defined
> +            at commit 654a5c4a7725 ("Update PDF and version number.") of
> +            riscv-j-extension.
> +
>          - const: sstc
>            description: |
>              The standard Sstc supervisor-level extension for time compare as
> -- 
> 2.45.1
> 
> 
> _______________________________________________
> linux-riscv mailing list
> linux-riscv at lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-riscv



More information about the linux-riscv mailing list