From nobody Tue Feb 10 11:55:49 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 56499EB64DA for ; Thu, 6 Jul 2023 03:33:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233002AbjGFDdH (ORCPT ); Wed, 5 Jul 2023 23:33:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57598 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232426AbjGFDcq (ORCPT ); Wed, 5 Jul 2023 23:32:46 -0400 Received: from mail-oi1-x229.google.com (mail-oi1-x229.google.com [IPv6:2607:f8b0:4864:20::229]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1E3101BCB for ; Wed, 5 Jul 2023 20:32:46 -0700 (PDT) Received: by mail-oi1-x229.google.com with SMTP id 5614622812f47-3a3df1b26c7so88447b6e.2 for ; Wed, 05 Jul 2023 20:32:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rivosinc-com.20221208.gappssmtp.com; s=20221208; t=1688614365; x=1691206365; 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=XxTwOa0EQc8HVnTEnAPW/0MSWwIJGSBSzfzkOm95n/4=; b=pTo/jZz2asIn2mN4BMuhUQhZx+/Nzya/YDfH9W10BGp968x0CAKUF2McN3MzJQaaK2 WQSgkciJvDPeQgSBn6eBr4j2c7s6HbHNk3Jt/5jpL1fP3Z9JkpvAhQkL/o+71nJBXyTm 8p68DcuMsOQECRnEWQtBsn+WvtS8vAl4QnHdsTGCXhNx5gxSquRv3ir46aXdi+wvEG61 YKZhUN/zhJc6+mRDN5ywdGVwxQ/y2+Kmj6hyt4BJ/Qid4NNR+IbgFL8KrOfXo8T8opAk dlS5UkMeN4qkegIs7q2ENd/BFmKYBjBE8jQRKjAa8wmF4LHmzz2fA2Q9II37Itb3bOJu DPAA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1688614365; x=1691206365; 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=XxTwOa0EQc8HVnTEnAPW/0MSWwIJGSBSzfzkOm95n/4=; b=LNvdQRP8qlh93GUp8N8ew936BfNMQbRmapy6e88MhiqcHB9lfgxeQ6/gdhj4yxwFtI l4cvCysgtUD+mH0v6xvEMPsyEvG5v1mrB0BKRDGE+IIIASAu2Ys51gWhf1MC/7L189ei LzAqdX53cIX843iNivHCi4Xc19iYWqsuyYVUc9kKEgMkawKOudUeeKTUdT5fWVALNz5x J9BN9En1C7/ecoW3yGwlMAtbqHL52qfNtIznfwiSCEbrZovyEIWlUqanScuPyIsxtO0e uhF+w3B+osOzMG0D9IrkaonwBRjnSVG6+/XHMaSdMtG/1eGI1EzKEueyBxOsErJjRpSw DA7g== X-Gm-Message-State: ABy/qLZJdEJtc2/IW788EuJUVS2DKcMDEDWz3EBSOtpNwGGMYxNg16vV sOJilwnEXKY+7iwV1ATdA+zvBKbEnvYI653BweA= X-Google-Smtp-Source: APBJJlHP9M1ZsGfe2ZMFJKx1Re86VXljfxshm/0iSUnfVW+jY4f6zbrqlQcsob+xxdVkFNGI9KOTpA== X-Received: by 2002:a54:488e:0:b0:39e:d59a:8275 with SMTP id r14-20020a54488e000000b0039ed59a8275mr502807oic.25.1688614365284; Wed, 05 Jul 2023 20:32:45 -0700 (PDT) Received: from charlie.ba.rivosinc.com ([66.220.2.162]) by smtp.gmail.com with ESMTPSA id fk13-20020a056a003a8d00b006589cf6d88bsm239785pfb.145.2023.07.05.20.32.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 Jul 2023 20:32:44 -0700 (PDT) From: Charlie Jenkins Date: Wed, 05 Jul 2023 20:30:19 -0700 Subject: [PATCH 3/3] RISC-V: Include documentation for hwprobe vendor extensions MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20230705-thead_vendor_extensions-v1-3-ad6915349c4d@rivosinc.com> References: <20230705-thead_vendor_extensions-v1-0-ad6915349c4d@rivosinc.com> In-Reply-To: <20230705-thead_vendor_extensions-v1-0-ad6915349c4d@rivosinc.com> To: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Paul Walmsley , Palmer Dabbelt , Albert Ou , Jonathan Corbet , charlie@rivosinc.com, evan@rivosinc.com, heiko@sntech.de, linux-doc@vger.kernel.org X-Mailer: b4 0.12.3 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Document available vendor extensions. Signed-off-by: Charlie Jenkins --- Documentation/riscv/hwprobe.rst | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/Documentation/riscv/hwprobe.rst b/Documentation/riscv/hwprobe.= rst index 19165ebd82ba..167fd3e25632 100644 --- a/Documentation/riscv/hwprobe.rst +++ b/Documentation/riscv/hwprobe.rst @@ -97,3 +97,20 @@ The following keys are defined: =20 * :c:macro:`RISCV_HWPROBE_MISALIGNED_UNSUPPORTED`: Misaligned accesses a= re not supported at all and will generate a misaligned address fault. + +RISC-V Hardware Probing Interface Vendor Extensions +--------------------------------------------------- + +All vendor extensions live at and beyond +:c:macro:`RISCV_HWPROBE_VENDOR_EXTENSION_SPACE`. Each vendor can specify v= endor +extensions at any value above or equal to +:c:macro:`RISCV_HWPROBE_VENDOR_EXTENSION_SPACE` without worrying about +conflicting with values from other vendors. Only extensions from the vendo= r of +the cpus passed into riscv_hwprobe will be matched. + +T-HEAD +~~~~~~ + +* :c:macro:`THEAD_ISA_EXT0`: Contains all of the EXT0 extensions + + * :c:macro:`THEAD_ISA_EXT0_V0_7_1`: Vector extension V0.7.1 is supported --=20 2.41.0