[PATCH v2 01/10] dt-bindings: riscv: Add pointer masking ISA extensions

Conor Dooley conor at kernel.org
Wed Jun 26 09:01:16 PDT 2024


On Tue, Jun 25, 2024 at 02:09:12PM -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 1.0.0-rc2.

You say draft, but the actual extension has already completed public
review, right?

> 
> Signed-off-by: Samuel Holland <samuel.holland at sifive.com>
> ---
> 
> 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 cfed80ad5540..b6aeedc53676 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
> -- 
> 2.44.1
> 
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 228 bytes
Desc: not available
URL: <http://lists.infradead.org/pipermail/linux-riscv/attachments/20240626/aed1ebe8/attachment.sig>


More information about the linux-riscv mailing list