[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
>
>
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