On 12/03/2025 14:11, Conor Dooley wrote:
> From: Conor Dooley <conor.dooley@microchip.com>
>
> The Unpriv spec states:
> | The Zvknhb and Zvbc Vector Crypto Extensions --and accordingly the
> | composite extensions Zvkn, Zvknc, Zvkng, and Zvksc-- require a Zve64x
> | base, or application ("V") base Vector Extension. All of the other
> | Vector Crypto Extensions can be built on any embedded (Zve*) or
> | application ("V") base Vector Extension.
>
> Enforce the minimum requirement via schema.
>
> Link: https://github.com/riscv/riscv-isa-manual/blob/main/src/vector-crypto.adoc#extensions-overview
> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
> ---
> .../devicetree/bindings/riscv/extensions.yaml | 33 +++++++++++++++++++
> 1 file changed, 33 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
> index 02065664f819..9aeb9d4731ca 100644
> --- a/Documentation/devicetree/bindings/riscv/extensions.yaml
> +++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
> @@ -726,6 +726,39 @@ properties:
> - contains:
> const: zve64f
>
> + - if:
> + contains:
> + anyOf:
> + - const: zvbc
> + - const: zvkn
> + - const: zvknc
> + - const: zvkng
> + - const: zvknhb
> + - const: zvksc
> + then:
> + contains:
> + anyOf:
> + - const: v
> + - const: zve64x
> +
> + - if:
> + contains:
> + anyOf:
> + - const: zvbb
> + - const: zvkb
> + - const: zvkg
> + - const: zvkned
> + - const: zvknha
> + - const: zvksed
> + - const: zvksh
> + - const: zvks
> + - const: zvkt
> + then:
> + contains:
> + anyOf:
> + - const: v
> + - const: zve32x
> +
> allOf:
> # Zcf extension does not exist on rv64
> - if:
Ok I see now where you enforce the right dependencies, you can ignore my
question in patch 2.
Thanks,
Alex