[v4] Add Counter delegation ISA extension support

[PATCH v4 04/21] dt-bindings: riscv: add Sxcsrind ISA extension description

Posted by Atish Patra 3 weeks, 5 days ago

Add the S[m|s]csrind ISA extension description.

Signed-off-by: Atish Patra <atishp@rivosinc.com>
---
 Documentation/devicetree/bindings/riscv/extensions.yaml | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
index 9c7dd7e75e0c..42e2494b126d 100644
--- a/Documentation/devicetree/bindings/riscv/extensions.yaml
+++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
@@ -128,6 +128,14 @@ properties:
             changes to interrupts as frozen at commit ccbddab ("Merge pull
             request #42 from riscv/jhauser-2023-RC4") of riscv-aia.
 
+        - const: smcsrind
+          description: |
+            The standard Smcsrind supervisor-level extension extends the
+            indirect CSR access mechanism defined by the Smaia extension. This
+            extension allows other ISA extension to use indirect CSR access
+            mechanism in M-mode as ratified in the 20240326 version of the
+            privileged ISA specification.
+
         - const: smmpm
           description: |
             The standard Smmpm extension for M-mode pointer masking as
@@ -146,6 +154,14 @@ properties:
             added by other RISC-V extensions in H/S/VS/U/VU modes and as
             ratified at commit a28bfae (Ratified (#7)) of riscv-state-enable.
 
+        - const: sscsrind
+          description: |
+            The standard Sscsrind supervisor-level extension extends the
+            indirect CSR access mechanism defined by the Ssaia extension. This
+            extension allows other ISA extension to use indirect CSR access
+            mechanism in S-mode as ratified in the 20240326 version of the
+            privileged ISA specification.
+
         - const: ssaia
           description: |
             The standard Ssaia supervisor-level extension for the advanced

-- 
2.43.0

Re: [PATCH v4 04/21] dt-bindings: riscv: add Sxcsrind ISA extension description

Posted by Rob Herring (Arm) 1 week, 6 days ago

On Wed, 05 Feb 2025 23:23:09 -0800, Atish Patra wrote:
> Add the S[m|s]csrind ISA extension description.
> 
> Signed-off-by: Atish Patra <atishp@rivosinc.com>
> ---
>  Documentation/devicetree/bindings/riscv/extensions.yaml | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
> 

Acked-by: Rob Herring (Arm) <robh@kernel.org>