From patchwork Wed Oct 16 20:27:42 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Samuel Holland X-Patchwork-Id: 837120 Received: from mail-pl1-f171.google.com (mail-pl1-f171.google.com [209.85.214.171]) (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 B43432144B1 for ; Wed, 16 Oct 2024 20:28:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.171 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729110501; cv=none; b=uobqjPYkc6gW5idxtGCogvI0LP8KylFtEQ5edsnGCvyYt0+XGpta6XBoXyS/1g8VkCn0E+N04Xftz98iA5gc2qwJuUABUPeGSjLSCBg7r+KOt8dXtWqg8VTkWysCvKROLWXdY3qX4z9DWj9OkqOkaPGuvzH231NEru2n+IWsHxY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729110501; c=relaxed/simple; bh=VKn9uJMsOsTjjYre0G0WrWsRlaciyvDyOJYk+dw8fas=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=fT0bWaGe9RSdJFshVXMqXDvvLPntDoaact73ljUvs2zy8VNUaD5xwEO/gwVvgFiX7br6XZp6EsKHwSHEU4AYlvhCYzPa1Hw8vvLQfoyzXlvSbGr2BPCjygjZz/UkewRfRaiy6lv2hLvJ7ByIVGgwlK4gRBJ4ar3udLXnB8l9C6g= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=sifive.com; spf=pass smtp.mailfrom=sifive.com; dkim=pass (2048-bit key) header.d=sifive.com header.i=@sifive.com header.b=RmCjY/M6; arc=none smtp.client-ip=209.85.214.171 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=sifive.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sifive.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=sifive.com header.i=@sifive.com header.b="RmCjY/M6" Received: by mail-pl1-f171.google.com with SMTP id d9443c01a7336-20cdda5cfb6so2166795ad.3 for ; Wed, 16 Oct 2024 13:28:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; t=1729110499; x=1729715299; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=olAKLc1ubtUo3zWjyBg9w1ODcp643i2ah+QLaW6GItw=; b=RmCjY/M62ZDQPWk3lDkidhzaZgqK71xT2bL9T7nkIYBTNTx8dA2/Zfpc5HyAA1l5Iu 2Z0n6lqPkKClOW/JfVhL2UHwiA+1Vgxk8wRWxZEUKs1S8PjRRmYJorB0ivnzpjcNSv1j 8dfrEI8JyxWJ3b8FUwogONE86aB1P/Gtk/Cjpy0ExErof4IrgW2RMEkrcstzWXMzcKYn eNbxN/R3J1xzse5FYHWTbR8p8elKWqKmlrePnFWhd0FfbN45UJ28DG/RLUe9urK69ik1 lBkc/w26zRHpuufItiLv1xdXGCGQ5s0GDmfTEWqKyA/Omnz2mmqlhIWhDZLzWyGSLpMU oh9A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1729110499; x=1729715299; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=olAKLc1ubtUo3zWjyBg9w1ODcp643i2ah+QLaW6GItw=; b=jqFxsNRR+cDjpu+MVKxDpn6WnuEKyA8fqr/8bAQsZFfLI4st/PVc3kQ16W214a9//C Mruc5jWdamXqICB/hSFAlsW5oE4ndvygBp0vpTpxelhmFYsEjHpFQMErXWnLgQOD1ujm Ras1gMSeDOW10laTskCO3tMpVrfUbPTfg5hSMk/YZlQUYtT48mdgX+vVnuiK6elVnDt2 pP3LzeDE6HdmSL0MlHrEpV3A4rcFUcOveTQ52SFj+Le4NNzFloK7gH8v1XjxCXKnElrf cneWav+7vybgl+ERKStHU00nlHbTBrFf6SWVCmBQmiK19exs7HbXK97j4pHaAbsl9B2W NQVA== X-Forwarded-Encrypted: i=1; AJvYcCW5RFcvkKjSw3lwnAuQbgMxc8Qzkay5fpkYSOlOpdmdNZk9N+asBmaQYD+HJnX8o8fN1oGVNBj9Pz/7svNKi68=@vger.kernel.org X-Gm-Message-State: AOJu0YynhLz96HflHBFMTGZ5sHGcbxmHPkPB5oLEu2tKfAo/TG7obHYN bN0fn5di9i/OF1zsGEM2oANxbZDhGiPE8oz3bhGFTcaTEAgQGeAPuQf0J9unq/w= X-Google-Smtp-Source: AGHT+IFM0/E+iUAS6tZ0dnNm0aBuUaS4hqVs4p2U2s4QRcOm7iZw1qqdWPovB3OjQaczkhgEOCQhtA== X-Received: by 2002:a17:903:1108:b0:20c:ea0a:9665 with SMTP id d9443c01a7336-20cea0a98aemr161412995ad.32.1729110499094; Wed, 16 Oct 2024 13:28:19 -0700 (PDT) Received: from sw06.internal.sifive.com ([4.53.31.132]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2e3e08f8f89sm228613a91.38.2024.10.16.13.28.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Oct 2024 13:28:18 -0700 (PDT) From: Samuel Holland To: Palmer Dabbelt , linux-riscv@lists.infradead.org Cc: Catalin Marinas , Atish Patra , linux-kselftest@vger.kernel.org, Rob Herring , "Kirill A . Shutemov" , Shuah Khan , devicetree@vger.kernel.org, Anup Patel , linux-kernel@vger.kernel.org, Jonathan Corbet , kvm-riscv@lists.infradead.org, Conor Dooley , kasan-dev@googlegroups.com, linux-doc@vger.kernel.org, Evgenii Stepanov , Charlie Jenkins , Krzysztof Kozlowski , Samuel Holland , Conor Dooley Subject: [PATCH v5 01/10] dt-bindings: riscv: Add pointer masking ISA extensions Date: Wed, 16 Oct 2024 13:27:42 -0700 Message-ID: <20241016202814.4061541-2-samuel.holland@sifive.com> X-Mailer: git-send-email 2.45.1 In-Reply-To: <20241016202814.4061541-1-samuel.holland@sifive.com> References: <20241016202814.4061541-1-samuel.holland@sifive.com> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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 Reviewed-by: Charlie Jenkins Signed-off-by: Samuel Holland --- 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(+) 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