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Tue, 13 Feb 2024 12:42:58 -0500 (EST) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.11.0-alpha0-144-ge5821d614e-fm-20240125.002-ge5821d61 MIME-Version: 1.0 Message-Id: <31024f04-e3e0-4bf9-beca-ebcd4f6fe51b@app.fastmail.com> In-Reply-To: <20240213-limping-ether-adbdc205ebc6@spud> References: <20240213033744.4069020-1-samuel.holland@sifive.com> <20240213033744.4069020-3-samuel.holland@sifive.com> <20240213-limping-ether-adbdc205ebc6@spud> Date: Tue, 13 Feb 2024 12:42:37 -0500 From: "Stefan O'Rear" To: "Conor Dooley" , "Samuel Holland" Cc: "Palmer Dabbelt" , "Andrew Jones" , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH -fixes v2 2/4] dt-bindings: riscv: Add ratified privileged ISA versions X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240213_094304_344745_94139962 X-CRM114-Status: GOOD ( 15.90 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On Tue, Feb 13, 2024, at 12:03 PM, Conor Dooley wrote: > On Mon, Feb 12, 2024 at 07:37:33PM -0800, Samuel Holland wrote: >> The baseline for the RISC-V privileged ISA is version 1.10. Using >> features from newer versions of the privileged ISA requires the >> supported version to be reported by platform firmware, either in the ISA >> string (where the binding already accepts version numbers) or in the >> riscv,isa-extensions property. So far two newer versions are ratified. >> >> Signed-off-by: Samuel Holland >> --- >> >> Changes in v2: >> - New patch for v2 >> >> .../devicetree/bindings/riscv/extensions.yaml | 20 +++++++++++++++++++ >> 1 file changed, 20 insertions(+) >> >> diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml >> index 63d81dc895e5..7faf22df01af 100644 >> --- a/Documentation/devicetree/bindings/riscv/extensions.yaml >> +++ b/Documentation/devicetree/bindings/riscv/extensions.yaml >> @@ -121,6 +121,16 @@ properties: >> version of the privileged ISA specification. >> >> # multi-letter extensions, sorted alphanumerically > >> + - const: sm1p11 > > Why are we beholden to this "1p11" format of RVI's? We have free choice > of characters here, what's stopping us using "machine-v1.11", for > example? > > Thanks, > Conor. I'd prefer to use names that are at least somewhat recognizable, e.g. in the profiles spec, rather than making up something from whole cloth. -s > >> + description: >> + The standard Machine ISA v1.11, as ratified in the 20190608 >> + version of the privileged ISA specification. >> + >> + - const: sm1p12 >> + description: >> + The standard Machine ISA v1.12, as ratified in the 20211203 >> + version of the privileged ISA specification. >> + >> - const: smaia >> description: | >> The standard Smaia supervisor-level extension for the advanced >> @@ -134,6 +144,16 @@ properties: >> added by other RISC-V extensions in H/S/VS/U/VU modes and as >> ratified at commit a28bfae (Ratified (#7)) of riscv-state-enable. >> >> + - const: ss1p11 >> + description: >> + The standard Supervisor ISA v1.11, as ratified in the 20190608 >> + version of the privileged ISA specification. >> + >> + - const: ss1p12 >> + description: >> + The standard Supervisor ISA v1.12, as ratified in the 20211203 >> + version of the privileged ISA specification. >> + >> - const: ssaia >> description: | >> The standard Ssaia supervisor-level extension for the advanced >> -- >> 2.43.0 >> >> >> _______________________________________________ >> linux-riscv mailing list >> linux-riscv@lists.infradead.org >> http://lists.infradead.org/mailman/listinfo/linux-riscv > > Attachments: > * signature.asc _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv