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([2a01:e0a:999:a3a0:46f0:3724:aa77:c1f8]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-41fccce9431sm301723695e9.28.2024.05.17.07.53.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 May 2024 07:53:22 -0700 (PDT) From: =?UTF-8?q?Cl=C3=A9ment=20L=C3=A9ger?= To: Jonathan Corbet , Paul Walmsley , Palmer Dabbelt , Albert Ou , Conor Dooley , Rob Herring , Krzysztof Kozlowski , Anup Patel , Shuah Khan Cc: =?UTF-8?q?Cl=C3=A9ment=20L=C3=A9ger?= , Atish Patra , linux-doc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-kselftest@vger.kernel.org, Conor Dooley Subject: [PATCH v5 06/16] dt-bindings: riscv: add Zca, Zcf, Zcd and Zcb ISA extension description Date: Fri, 17 May 2024 16:52:46 +0200 Message-ID: <20240517145302.971019-7-cleger@rivosinc.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240517145302.971019-1-cleger@rivosinc.com> References: <20240517145302.971019-1-cleger@rivosinc.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable 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: Cl=C3=A9ment L=C3=A9ger Reviewed-by: Conor Dooley Reviewed-by: Charlie Jenkins --- .../devicetree/bindings/riscv/extensions.yaml | 78 +++++++++++++++++++ 1 file changed, 78 insertions(+) diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Docu= mentation/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 reques= t #158 from hirooih/clmul-fix-loop-end-condition") of riscv-bitmanip. =20 + - const: zca + description: | + The Zca extension part of Zc* standard extensions for code size + reduction, as ratified in commit 8be3419c1c0 ("Zcf doesn't exi= st on + RV64 as it contains no instructions") of riscv-code-size-reduc= tion, + 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 exi= st on + RV64 as it contains no instructions") of riscv-code-size-reduc= tion, + 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 exi= st on + RV64 as it contains no instructions") of riscv-code-size-reduc= tion, + 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 exi= st on + RV64 as it contains no instructions") of riscv-code-size-reduc= tion, + 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/95358= cb2cca9489361c61d335e03d3134b14133f/xtheadvector.adoc. =20 + 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 ... --=20 2.43.0