[PATCH v3 10/21] dt-bindings: riscv: add Smcntrpmf ISA extension description
Atish Patra
atishp at rivosinc.com
Mon Jan 27 20:59:51 PST 2025
Add the description for Smcntrpmf ISA extension
Signed-off-by: Atish Patra <atishp at rivosinc.com>
---
Documentation/devicetree/bindings/riscv/extensions.yaml | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
index 1706a77729db..0afe47259c55 100644
--- a/Documentation/devicetree/bindings/riscv/extensions.yaml
+++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
@@ -136,6 +136,14 @@ properties:
20240213 version of the privileged ISA specification. This extension
depends on Sscsrind, Zihpm, Zicntr extensions.
+ - const: smcntrpmf
+ description: |
+ The standard Smcntrpmf supervisor-level extension for the machine mode
+ to enable privilege mode filtering for cycle and instret counters as
+ ratified in the 20240326 version of the privileged ISA specification.
+ The Ssccfg extension depends on this as *cfg CSRs are available only
+ if smcntrpmf is present.
+
- const: smmpm
description: |
The standard Smmpm extension for M-mode pointer masking as
--
2.34.1
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