From nobody Tue Mar 4 22:15:12 2025 Received: from mail-pl1-f178.google.com (mail-pl1-f178.google.com [209.85.214.178]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 20E0D2206A1 for ; Tue, 14 Jan 2025 22:58:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.178 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736895506; cv=none; b=Kse9gBoO63wour23y+a1oenNQNo78DcnDYPdZOL6bfwAyn4xXc00euvO0gkj2yhTpGpStRsvaarVQCUc0pYIeZuTU0MvBJtNNTedr/+6AwHdyNOaeSoSkFfaZhPqWkHubftVmpwY3Prh7DyTX95O5S4Kp65HENbJUDTZRnW7HkY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736895506; c=relaxed/simple; bh=Vmwsa/ctBo8N43GnV4TfHr9aW95FI1ojPvJ/QsRfYGM=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=rpFqDZ4EVzFSCR5HzM2NTAFYOEGyv3mUueEaM2uSe4nG2ccDOz8levBjLnJRNbZ1gv1g8zPmL8ZuCDvh9DeV3tNbZQCHjb2WRo38KdSV2PCUA2eG0VOlsGRh3GZwHq/OcC6mGp5V+HN0UZ8uJgtamy4ycF9EDsG7GJMo3Yt9JkQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=rivosinc.com; spf=pass smtp.mailfrom=rivosinc.com; dkim=pass (2048-bit key) header.d=rivosinc-com.20230601.gappssmtp.com header.i=@rivosinc-com.20230601.gappssmtp.com header.b=Jw4kC5Zz; arc=none smtp.client-ip=209.85.214.178 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=rivosinc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=rivosinc.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=rivosinc-com.20230601.gappssmtp.com header.i=@rivosinc-com.20230601.gappssmtp.com header.b="Jw4kC5Zz" Received: by mail-pl1-f178.google.com with SMTP id d9443c01a7336-21649a7bcdcso104031505ad.1 for ; Tue, 14 Jan 2025 14:58:24 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rivosinc-com.20230601.gappssmtp.com; s=20230601; t=1736895504; x=1737500304; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=+nuV14UWlVLpKqlK5QJyBaxP+s4wgcBZS80Qr+dhQF8=; b=Jw4kC5ZztlXxPgkp43W3EuEe/NdpYEZk+K6frb6Yav7IAz3bHS1VQ4vxn5KNy9u5q3 sAvPcowJhdTAhmSrs4VL/ML5bPIVheH9WbdVqrV6wEAbln3KBefUp55LMDbDg71YNd4G maygkQhQqObjgLuYl/tCHsOX58JNpqAPgCtsd36+70j565yLmAevxF++aiJzEEoTDaIi h1I1QTaf+iMU7sB8BZ/fSm2QcOrxF310TgZwamoLAlRen0zUXKT3kaNp6VHBd8puIS/2 /ynqMmDf6/ddqWxtmeX/fvj6bH2Bmp57NZlwVwnLSxp92GmEgoPp/yn83oM2BKzqvgRy meaw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1736895504; x=1737500304; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=+nuV14UWlVLpKqlK5QJyBaxP+s4wgcBZS80Qr+dhQF8=; b=C1mPF0WHTbCzS+ea7i1XJ0dND6iPVU9jxUbk4bg2ATU9pkqCNPsPSd+tZh3u8/U1lt ww+NuY2DTHVlgTmXyMcRKjGwqUZD307YOG+MifPH67SAKOczo5XPPymlXLEa1DxT0RWX BEYEr1MHbCt/Z3Qr21r9+EUp1m/yltA+Rg64kJB9xsi/YgYcrVX4FwXSF64dWGqXLTOy LNPsZv0snwV6FD6ZNImyZaHbh384k1fqDEPsXK67krQRFtRuzJpvRs/zScS92Wkfro1M nSARTXCPzgbUKlZKa1Ifc5DcXcGAphOuTyfj3EXKxRJp3atqyc8onHGpU2fWDDe0MHhB djfQ== X-Forwarded-Encrypted: i=1; AJvYcCWSWKR2sJjTh8sipX9IQikBdTpIOrPlwbZbFvCljXdXRnpNPhbG7yaI2ijUTwH3EOZ1YDeR+6js2p+0nb8=@vger.kernel.org X-Gm-Message-State: AOJu0Yxj73MkrrtDfFue9K8OLu+nBhtpm06tKllofIsKmtZObfdnjuKK xKp2cChI+Vf0YBGi7VNZ1Ada0BhHbpDulUB05iIBNE8AzviNsi4js3H4BcsveBo= X-Gm-Gg: ASbGncuHkTx/tE4KhwgkXQyTeFKJg+tSdAhDP+0UgjE4wEgudtWwRmrbh8fJpM5Kkd4 bBzpFo750y/c5hJrkI0hnp8Cc7F+Oz36JC7XDHiKIyXiDal5mcFkFvZcTMqN8M+BOXMXmpGJKk5 UtvQFlYY8W5pNRIENKftvEcqdolIrjRdATCHCYE1ZJb5DaN4waJDKEolIPefXrgm8mzOvhYkQJF VQpJF5VTAeivjvDAzpuaqtMjVPC1Fk2inKfWWFd5/MBQeWHW0+aMlbIkA62Z8O5PJiP/g== X-Google-Smtp-Source: AGHT+IEV9xqrGE2EwbwN10kTDKoQE5y094MCv+vKIzLtISYj8DvmatP2DVPnEqTLBoPDrnLS9ZbWpg== X-Received: by 2002:a17:902:d2ca:b0:211:8404:a957 with SMTP id d9443c01a7336-21a83fc0619mr405796975ad.41.1736895504307; Tue, 14 Jan 2025 14:58:24 -0800 (PST) Received: from atishp.ba.rivosinc.com ([64.71.180.162]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-21a9f10df7asm71746105ad.47.2025.01.14.14.58.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Jan 2025 14:58:23 -0800 (PST) From: Atish Patra Date: Tue, 14 Jan 2025 14:57:29 -0800 Subject: [PATCH v2 04/21] dt-bindings: riscv: add Sxcsrind ISA extension description 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 Message-Id: <20250114-counter_delegation-v2-4-8ba74cdb851b@rivosinc.com> References: <20250114-counter_delegation-v2-0-8ba74cdb851b@rivosinc.com> In-Reply-To: <20250114-counter_delegation-v2-0-8ba74cdb851b@rivosinc.com> To: Paul Walmsley , Palmer Dabbelt , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Anup Patel , Atish Patra , Will Deacon , Mark Rutland , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , weilin.wang@intel.com Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Palmer Dabbelt , Conor Dooley , devicetree@vger.kernel.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-perf-users@vger.kernel.org, Atish Patra X-Mailer: b4 0.15-dev-13183 Add the S[m|s]csrind ISA extension description. Signed-off-by: Atish Patra --- Documentation/devicetree/bindings/riscv/extensions.yaml | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Docu= mentation/devicetree/bindings/riscv/extensions.yaml index 9c7dd7e75e0c..0cfdaa4552a6 100644 --- a/Documentation/devicetree/bindings/riscv/extensions.yaml +++ b/Documentation/devicetree/bindings/riscv/extensions.yaml @@ -146,6 +146,20 @@ 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-enab= le. =20 + - const: smcsrind + description: | + The standard Smcsrind supervisor-level extension extends the + indirect CSR access mechanism defined by the Smaia extension. This + extension allows other ISA extension to use indirect CSR access + mechanism in M-mode. + + - const: sscsrind + description: | + The standard Sscsrind supervisor-level extension extends the + indirect CSR access mechanism defined by the Ssaia extension. This + extension allows other ISA extension to use indirect CSR access + mechanism in S-mode. + - const: ssaia description: | The standard Ssaia supervisor-level extension for the advanced --=20 2.34.1