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[v5,01/10] dt-bindings: riscv: Add pointer masking ISA extensions

Message ID 20241016202814.4061541-2-samuel.holland@sifive.com (mailing list archive)
State New
Headers show
Series riscv: Userspace pointer masking and tagged address ABI | expand

Checks

Context Check Description
conchuod/vmtest-for-next-PR success PR summary
conchuod/patch-1-test-1 success .github/scripts/patches/tests/build_rv32_defconfig.sh took 108.30s
conchuod/patch-1-test-2 success .github/scripts/patches/tests/build_rv64_clang_allmodconfig.sh took 944.39s
conchuod/patch-1-test-3 success .github/scripts/patches/tests/build_rv64_gcc_allmodconfig.sh took 1114.97s
conchuod/patch-1-test-4 success .github/scripts/patches/tests/build_rv64_nommu_k210_defconfig.sh took 16.31s
conchuod/patch-1-test-5 success .github/scripts/patches/tests/build_rv64_nommu_virt_defconfig.sh took 17.95s
conchuod/patch-1-test-6 success .github/scripts/patches/tests/checkpatch.sh took 0.31s
conchuod/patch-1-test-7 success .github/scripts/patches/tests/dtb_warn_rv64.sh took 35.85s
conchuod/patch-1-test-8 success .github/scripts/patches/tests/header_inline.sh took 0.00s
conchuod/patch-1-test-9 success .github/scripts/patches/tests/kdoc.sh took 0.43s
conchuod/patch-1-test-10 success .github/scripts/patches/tests/module_param.sh took 0.01s
conchuod/patch-1-test-11 success .github/scripts/patches/tests/verify_fixes.sh took 0.00s
conchuod/patch-1-test-12 success .github/scripts/patches/tests/verify_signedoff.sh took 0.02s

Commit Message

Samuel Holland Oct. 16, 2024, 8:27 p.m. UTC 
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>
---

Changes in v5:
 - Update pointer masking spec version to 1.0 and state to ratified

Changes in v3:
 - Note in the commit message that the ISA extension spec is frozen

Changes in v2:
 - Update pointer masking specification version reference

 .../devicetree/bindings/riscv/extensions.yaml  | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
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Patch

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