diff mbox series

[v5,06/16] dt-bindings: riscv: add Zca, Zcf, Zcd and Zcb ISA extension description

Message ID 20240517145302.971019-7-cleger@rivosinc.com (mailing list archive)
State Superseded
Headers show
Series Add support for a few Zc* extensions, Zcmop and Zimop | expand

Checks

Context Check Description
conchuod/vmtest-for-next-PR fail PR summary
conchuod/patch-6-test-1 success .github/scripts/patches/tests/build_rv32_defconfig.sh
conchuod/patch-6-test-2 fail .github/scripts/patches/tests/build_rv64_clang_allmodconfig.sh
conchuod/patch-6-test-3 fail .github/scripts/patches/tests/build_rv64_gcc_allmodconfig.sh
conchuod/patch-6-test-4 success .github/scripts/patches/tests/build_rv64_nommu_k210_defconfig.sh
conchuod/patch-6-test-5 success .github/scripts/patches/tests/build_rv64_nommu_virt_defconfig.sh
conchuod/patch-6-test-6 success .github/scripts/patches/tests/checkpatch.sh
conchuod/patch-6-test-7 success .github/scripts/patches/tests/dtb_warn_rv64.sh
conchuod/patch-6-test-8 success .github/scripts/patches/tests/header_inline.sh
conchuod/patch-6-test-9 success .github/scripts/patches/tests/kdoc.sh
conchuod/patch-6-test-10 success .github/scripts/patches/tests/module_param.sh
conchuod/patch-6-test-11 success .github/scripts/patches/tests/verify_fixes.sh
conchuod/patch-6-test-12 success .github/scripts/patches/tests/verify_signedoff.sh
conchuod/vmtest-fixes-PR fail merge-conflict

Commit Message

Clément Léger May 17, 2024, 2:52 p.m. UTC 
Add description for Zca, Zcf, Zcd and Zcb extensions which are part the
Zc* standard extensions for code size reduction. Additional validation
rules are added since Zcb depends on Zca, Zcf, depends on Zca and F, Zcd
depends on Zca and D and finally, Zcf can not be present on rv64.

Signed-off-by: Clément Léger <cleger@rivosinc.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
---
 .../devicetree/bindings/riscv/extensions.yaml | 78 +++++++++++++++++++
 1 file changed, 78 insertions(+)

Comments

Charlie Jenkins May 29, 2024, 10:13 p.m. UTC | #1 
On Fri, May 17, 2024 at 04:52:46PM +0200, Clément Léger wrote:
> Add description for Zca, Zcf, Zcd and Zcb extensions which are part the
> Zc* standard extensions for code size reduction. Additional validation
> rules are added since Zcb depends on Zca, Zcf, depends on Zca and F, Zcd
> depends on Zca and D and finally, Zcf can not be present on rv64.
> 
> Signed-off-by: Clément Léger <cleger@rivosinc.com>
> Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
> ---
>  .../devicetree/bindings/riscv/extensions.yaml | 78 +++++++++++++++++++
>  1 file changed, 78 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
> index b9100addeb90..39084c58d4e4 100644
> --- a/Documentation/devicetree/bindings/riscv/extensions.yaml
> +++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
> @@ -220,6 +220,38 @@ properties:
>              instructions as ratified at commit 6d33919 ("Merge pull request #158
>              from hirooih/clmul-fix-loop-end-condition") of riscv-bitmanip.
>  
> +        - const: zca
> +          description: |
> +            The Zca extension part of Zc* standard extensions for code size
> +            reduction, as ratified in commit 8be3419c1c0 ("Zcf doesn't exist on
> +            RV64 as it contains no instructions") of riscv-code-size-reduction,
> +            merged in the riscv-isa-manual by commit dbc79cf28a2 ("Initial seed
> +            of zc.adoc to src tree.").
> +
> +        - const: zcb
> +          description: |
> +            The Zcb extension part of Zc* standard extensions for code size
> +            reduction, as ratified in commit 8be3419c1c0 ("Zcf doesn't exist on
> +            RV64 as it contains no instructions") of riscv-code-size-reduction,
> +            merged in the riscv-isa-manual by commit dbc79cf28a2 ("Initial seed
> +            of zc.adoc to src tree.").
> +
> +        - const: zcd
> +          description: |
> +            The Zcd extension part of Zc* standard extensions for code size
> +            reduction, as ratified in commit 8be3419c1c0 ("Zcf doesn't exist on
> +            RV64 as it contains no instructions") of riscv-code-size-reduction,
> +            merged in the riscv-isa-manual by commit dbc79cf28a2 ("Initial seed
> +            of zc.adoc to src tree.").
> +
> +        - const: zcf
> +          description: |
> +            The Zcf extension part of Zc* standard extensions for code size
> +            reduction, as ratified in commit 8be3419c1c0 ("Zcf doesn't exist on
> +            RV64 as it contains no instructions") of riscv-code-size-reduction,
> +            merged in the riscv-isa-manual by commit dbc79cf28a2 ("Initial seed
> +            of zc.adoc to src tree.").
> +
>          - const: zfa
>            description:
>              The standard Zfa extension for additional floating point
> @@ -499,5 +531,51 @@ properties:
>              The T-HEAD specific 0.7.1 vector implementation as written in
>              https://github.com/T-head-Semi/thead-extension-spec/blob/95358cb2cca9489361c61d335e03d3134b14133f/xtheadvector.adoc.
>  
> +    allOf:
> +      # Zcb depends on Zca
> +      - if:
> +          contains:
> +            const: zcb
> +        then:
> +          contains:
> +            const: zca
> +      # Zcd depends on Zca and D
> +      - if:
> +          contains:
> +            const: zcd
> +        then:
> +          allOf:
> +            - contains:
> +                const: zca
> +            - contains:
> +                const: d
> +      # Zcf depends on Zca and F
> +      - if:
> +          contains:
> +            const: zcf
> +        then:
> +          allOf:
> +            - contains:
> +                const: zca
> +            - contains:
> +                const: f
> +
> +allOf:
> +  # Zcf extension does not exist on rv64
> +  - if:
> +      properties:
> +        riscv,isa-extensions:
> +          contains:
> +            const: zcf
> +        riscv,isa-base:
> +          contains:
> +            const: rv64i
> +    then:
> +      properties:
> +        riscv,isa-extensions:
> +          not:
> +            contains:
> +              const: zcf
> +
>  additionalProperties: true
>  ...
> -- 
> 2.43.0
> 
> 
> _______________________________________________
> linux-riscv mailing list
> linux-riscv@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-riscv
Reviewed-by: Charlie Jenkins <charlie@rivosinc.com>
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
index b9100addeb90..39084c58d4e4 100644
--- a/Documentation/devicetree/bindings/riscv/extensions.yaml
+++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
@@ -220,6 +220,38 @@  properties:
             instructions as ratified at commit 6d33919 ("Merge pull request #158
             from hirooih/clmul-fix-loop-end-condition") of riscv-bitmanip.
 
+        - const: zca
+          description: |
+            The Zca extension part of Zc* standard extensions for code size
+            reduction, as ratified in commit 8be3419c1c0 ("Zcf doesn't exist on
+            RV64 as it contains no instructions") of riscv-code-size-reduction,
+            merged in the riscv-isa-manual by commit dbc79cf28a2 ("Initial seed
+            of zc.adoc to src tree.").
+
+        - const: zcb
+          description: |
+            The Zcb extension part of Zc* standard extensions for code size
+            reduction, as ratified in commit 8be3419c1c0 ("Zcf doesn't exist on
+            RV64 as it contains no instructions") of riscv-code-size-reduction,
+            merged in the riscv-isa-manual by commit dbc79cf28a2 ("Initial seed
+            of zc.adoc to src tree.").
+
+        - const: zcd
+          description: |
+            The Zcd extension part of Zc* standard extensions for code size
+            reduction, as ratified in commit 8be3419c1c0 ("Zcf doesn't exist on
+            RV64 as it contains no instructions") of riscv-code-size-reduction,
+            merged in the riscv-isa-manual by commit dbc79cf28a2 ("Initial seed
+            of zc.adoc to src tree.").
+
+        - const: zcf
+          description: |
+            The Zcf extension part of Zc* standard extensions for code size
+            reduction, as ratified in commit 8be3419c1c0 ("Zcf doesn't exist on
+            RV64 as it contains no instructions") of riscv-code-size-reduction,
+            merged in the riscv-isa-manual by commit dbc79cf28a2 ("Initial seed
+            of zc.adoc to src tree.").
+
         - const: zfa
           description:
             The standard Zfa extension for additional floating point
@@ -499,5 +531,51 @@  properties:
             The T-HEAD specific 0.7.1 vector implementation as written in
             https://github.com/T-head-Semi/thead-extension-spec/blob/95358cb2cca9489361c61d335e03d3134b14133f/xtheadvector.adoc.
 
+    allOf:
+      # Zcb depends on Zca
+      - if:
+          contains:
+            const: zcb
+        then:
+          contains:
+            const: zca
+      # Zcd depends on Zca and D
+      - if:
+          contains:
+            const: zcd
+        then:
+          allOf:
+            - contains:
+                const: zca
+            - contains:
+                const: d
+      # Zcf depends on Zca and F
+      - if:
+          contains:
+            const: zcf
+        then:
+          allOf:
+            - contains:
+                const: zca
+            - contains:
+                const: f
+
+allOf:
+  # Zcf extension does not exist on rv64
+  - if:
+      properties:
+        riscv,isa-extensions:
+          contains:
+            const: zcf
+        riscv,isa-base:
+          contains:
+            const: rv64i
+    then:
+      properties:
+        riscv,isa-extensions:
+          not:
+            contains:
+              const: zcf
+
 additionalProperties: true
 ...