Unverified Commit 8727163a authored by Samuel Holland's avatar Samuel Holland Committed by Palmer Dabbelt
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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: default avatarConor Dooley <conor.dooley@microchip.com>
Reviewed-by: default avatarCharlie Jenkins <charlie@rivosinc.com>
Signed-off-by: default avatarSamuel Holland <samuel.holland@sifive.com>
Link: https://lore.kernel.org/r/20241016202814.4061541-2-samuel.holland@sifive.com


Signed-off-by: default avatarPalmer Dabbelt <palmer@rivosinc.com>
parent 368546eb

Documentation/devicetree/bindings/riscv/extensions.yaml

+18 −0
Original line number Diff line number Diff line
@@ -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