From mboxrd@z Thu Jan 1 00:00:00 1970 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 00227CAC5B8 for ; Thu, 2 Oct 2025 19:16:52 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1v4OlZ-0006Cl-KQ; Thu, 02 Oct 2025 15:15:01 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1v4OlW-0006CH-M1 for qemu-devel@nongnu.org; Thu, 02 Oct 2025 15:14:58 -0400 Received: from mail-pf1-x436.google.com ([2607:f8b0:4864:20::436]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1v4OlI-000301-LS for qemu-devel@nongnu.org; Thu, 02 Oct 2025 15:14:58 -0400 Received: by mail-pf1-x436.google.com with SMTP id d2e1a72fcca58-782e93932ffso1400635b3a.3 for ; Thu, 02 Oct 2025 12:14:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1759432477; x=1760037277; darn=nongnu.org; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=0/qdJ/HOg5ojo/pzozIFLSp8N/iQ7FUrg4DHwEIsrPs=; b=MGsa+P9LN0NLyJS5fo1pmFvtjDpnRIa2RWIRcRT8sXtP+P6y3Zru/0xuHMBOLt5Gq8 S9XBYT75WN9KjQbxfNHkv+UEudsWWGooOpC+TbmUhzJLePc4nOfvH3FiUYFzkqLoyc6N Ddtk/ZIrwJ+zwQKM306WUOZRInNEKNpQfTmJ65stRCxtXZCg6i3sx8NPIyb+BbnfkSZg fEOadLguOPMQELCPA1kHv768tl+9mRDVaokCBwnLt8w++D5wxxNElWjU0Ks5YK6zYAwK DYkN7DYCuC4XFSAxa+d/QxdbWOYEiiOUykQlc7FlroJMXcxR9gfi0PMlBmkWQG3eQS/O GYDQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1759432477; x=1760037277; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=0/qdJ/HOg5ojo/pzozIFLSp8N/iQ7FUrg4DHwEIsrPs=; b=j/3P28SV2tzKVbElzeF8kbLUBu2gYfvHiqrWEEwfmi4gNCa9Aa2EIc5H3w5ufe3T/x ThOeEjF4TSbhQ/LgziXZnr9HOMPezdn6kOOUjZqszZUs+7//CCxjLZQvGSD43r9nSw+q JVXMUmpsxz4DqkzJe46u4HaaSsxJwE6HEUCrCXyTvsfV3p45erXu3G7rXXAjQ0s30YFi 6gjS9yEaFyndZfm4SZNvSuJuE9zH5C79U27zRXsjdvBeqzeo/hW4aUQHkE2Es5f2jNKw RqckhDQzJyyLuY6va/GFOEA3STO28tKh/acnR7/407K/CFsOCypqJMxq/lu07v5B7WQZ ZiGw== X-Forwarded-Encrypted: i=1; AJvYcCWSJwhJ41n8u/vlc8mFXTBVEbqnPBzLQvF1RcC+fOkDeLdZAiTgW7jwT6tdo5isAgRi7wLGOUOmjbf1@nongnu.org X-Gm-Message-State: AOJu0YwwPKrauPXgmD7s/VhbrP9dlYxFyKJ4KPpCZZ9NP/9G2jYrwvnm QD0VAe3ZskHiqEp1JM8CcmygeJLTaUf2lVx/7YiulOqyHxCclx+F2r1NrIlvQV53f8E= X-Gm-Gg: ASbGnctS32siNdbx3duraNUehKzF0VFcv1QYKr8kFT7VFf8Hr9zXGPdZUDu5K9atnj3 /oWULx8JIpKdi49wAhbnuhIHjTmO648lsK4F3aAeq52vNiYaT2i1kj+PlVWgq3MNzfX3M81Thys pvh9rIWIJ4wxwTSyfgQNzAx+gZYMJ+7p2qnJdhluIi29fc9npRGMfnVxr9qVbsFGf0iVIFQ0yBS Z65ptumf1xVKiMSJqg5rFGUXJVBZLdM925KqRgfLLtcHXqKvZqirdKA+YMuSWwxrILv/J/ghipn 2NUJlM1aDbR1tQcTJn/p0ARoKMyvsN0TCXajmgeZeqZZ9NPfRq3TtV+Eb97P510RwS3F4mlb82Y j9KebX3xjOkTbqVe9wSitOXQBti3mh/Jdt8eG/+qhV2zHdWmpOtUwMDbL2snGvqg= X-Google-Smtp-Source: AGHT+IHVDN7JDg70p+fr5KaffFan8r8R1fbGNl+tuVHECWtbJRBJ49pFabV6osi/DaopwqFSVJP5Rw== X-Received: by 2002:a17:903:3c24:b0:26c:e270:6dad with SMTP id d9443c01a7336-28e9a664540mr4044135ad.60.1759432477441; Thu, 02 Oct 2025 12:14:37 -0700 (PDT) Received: from [192.168.1.87] ([38.41.223.211]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-28e8d1d5e36sm28200325ad.114.2025.10.02.12.14.36 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 02 Oct 2025 12:14:37 -0700 (PDT) Message-ID: <36c41e82-78db-400f-9bba-ed8daca17e94@linaro.org> Date: Thu, 2 Oct 2025 12:14:36 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 07/33] target/riscv: Combine minstretcfg and minstretcfgh Content-Language: en-US To: Anton Johansson , qemu-devel@nongnu.org Cc: philmd@linaro.org, richard.henderson@linaro.org, alistair.francis@wdc.com, palmer@dabbelt.com References: <20251001073306.28573-1-anjo@rev.ng> <20251001073306.28573-8-anjo@rev.ng> From: Pierrick Bouvier In-Reply-To: <20251001073306.28573-8-anjo@rev.ng> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2607:f8b0:4864:20::436; envelope-from=pierrick.bouvier@linaro.org; helo=mail-pf1-x436.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, T_SPF_TEMPERROR=0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 10/1/25 12:32 AM, Anton Johansson wrote: > According to version 20250508 of the privileged specification, > minstretcfg is a 64-bit register and minstretcfgh refers to the top > 32 bits of this register when XLEN == 32. No real advantage is > gained by keeping them separate, and combining them allows for slight > simplification. > > Signed-off-by: Anton Johansson > --- > target/riscv/cpu.h | 3 +-- > target/riscv/csr.c | 18 ++++++++++-------- > 2 files changed, 11 insertions(+), 10 deletions(-) Reviewed-by: Pierrick Bouvier