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authorSamuel Holland <samuel.holland@sifive.com>2024-10-16 13:27:42 -0700
committerPalmer Dabbelt <palmer@rivosinc.com>2024-10-24 14:12:52 -0700
commit8727163a1ae304b5b4ac5952f593936ab9024d37 (patch)
tree99cd3c53c04e0270602ba144748637b2e6dccccc
parent368546ebe7e74cb6e18f17768533ab7077392a8c (diff)
dt-bindings: riscv: Add pointer masking ISA extensions
The RISC-V Pointer Masking specification defines three extensions: Smmpm, Smnpm, and Ssnpm. Document the behavior of these extensions as following the ratified version 1.0 of the specification. Acked-by: Conor Dooley <conor.dooley@microchip.com> Reviewed-by: Charlie Jenkins <charlie@rivosinc.com> Signed-off-by: Samuel Holland <samuel.holland@sifive.com> Link: https://lore.kernel.org/r/20241016202814.4061541-2-samuel.holland@sifive.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
-rw-r--r--Documentation/devicetree/bindings/riscv/extensions.yaml18
1 files changed, 18 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
index 2cf2026cff57..28bf1daa1d27 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
+ ratified at commit d70011dde6c2 ("Update to ratified state")
+ of riscv-j-extension.
+
+ - const: smnpm
+ description: |
+ The standard Smnpm extension for next-mode pointer masking as
+ ratified at commit d70011dde6c2 ("Update to ratified state")
+ 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
+ ratified at commit d70011dde6c2 ("Update to ratified state")
+ of riscv-j-extension.
+
- const: sstc
description: |
The standard Sstc supervisor-level extension for time compare as