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 AF2FFC3DA49 for ; Wed, 31 Jul 2024 01:30:56 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sYyAO-0007Lp-HY; Tue, 30 Jul 2024 21:30:12 -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 1sYyAM-0007KQ-IV for qemu-devel@nongnu.org; Tue, 30 Jul 2024 21:30:10 -0400 Received: from mail-pj1-x1029.google.com ([2607:f8b0:4864:20::1029]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sYyAK-0005zn-8X for qemu-devel@nongnu.org; Tue, 30 Jul 2024 21:30:09 -0400 Received: by mail-pj1-x1029.google.com with SMTP id 98e67ed59e1d1-2cf78366187so3270230a91.3 for ; Tue, 30 Jul 2024 18:30:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1722389406; x=1722994206; darn=nongnu.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:to:subject:user-agent:mime-version:date:message-id:from :to:cc:subject:date:message-id:reply-to; bh=9biiJL0mbDr1bvDdX9pp1KXU1e+FESJgSWe1rySFiE4=; b=SaxsTTJAfrOCOaqj+ztyTj0mfXynI3A7fBy8s2Cep/VhaFJIGcDd9erjzrdMc1CLxP XAL6pT7hft2T74c/yJYuRTaCn1JKsfpn7kOIiG3U8KcJjASpKmeCznPC/uGDwzo8BGHd o9g8nkJ5dMgTLkE0xeR2wrPoDRrwYacuM0fo4cpdVR/i649wuqUy6Gx2I0N0bCD8/RW3 NMyzqOrMExX0EAZ9WDQSP4Eq0d7q18E7j/xnkXEx4qvdLpY+volt0FsK+nSeMVwI60qr 7nu/YjYf4N3PNeT0GZeO84MN5nEoJEr7hsPvoDXctFKH0EGjQmveJoAuyReU45pCoYjf Tuwg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1722389406; x=1722994206; h=content-transfer-encoding:in-reply-to:from:content-language :references:to:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=9biiJL0mbDr1bvDdX9pp1KXU1e+FESJgSWe1rySFiE4=; b=bmAKZLQx6mjsztawZ09ikRrwBEXK0Fk0WqFvHECK9sDjYw0rKPQbV+0WLIijHGRHJ6 OK0va+P1TISkh/uHube+ijTZY7M0e97o4YBl2A5F8uLBv1aR8YUFd3uI7uvMWYPt4mXT e3wto4Ujli0N0eEtlC0bStrVC0lCPvQnr3fkIEMu+qJImAqOQ3mNRuGbg6RkcBJRpRhe lbth/Kb2jMijhS2aOHlbAVP5fnAOcHDykaslXgoe6444lncFacDnwIlj+ITTdAn45oQ3 79yhETq4D4tdoCRIl20WZMlNvUEBi8QiPICVM4RwEf3QaZL2ZF6Y/ElIaCiQH34Cifee PC2A== X-Forwarded-Encrypted: i=1; AJvYcCVKGBubIRPrY3IhvJqJ2Nm9FiV47Bvi5pEn7ujBD1YrYqNd6jWvHdE7dp3e1SySg5qryGLoNUi0CkYYkVPoN+t5BmQyrY4= X-Gm-Message-State: AOJu0YyDa8Ttk4U00xjtQEV2sXGvCz0oT1dkm63zt5e4KPLTliui9T5K kmeBtdmpijBrsVsUWkRfIqW2APc/1IF7/8zDNKEPNtJ2IOTAUnJWeVxUk4YKvoM= X-Google-Smtp-Source: AGHT+IGUIMJgiuBbeBI7Uw7Wh94UmGpl8VX7meZaHbHUk21e+jI6TA3kJC67xHkVTW8Xc6ChzUzypQ== X-Received: by 2002:a17:90a:888:b0:2cb:55f9:b7c5 with SMTP id 98e67ed59e1d1-2cf7e1df02dmr14985782a91.12.1722389406278; Tue, 30 Jul 2024 18:30:06 -0700 (PDT) Received: from ?IPV6:2403:580a:f89b:0:7406:659b:9ac8:69bb? (2403-580a-f89b-0-7406-659b-9ac8-69bb.ip6.aussiebb.net. [2403:580a:f89b:0:7406:659b:9ac8:69bb]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2cfdc4bd11fsm72812a91.55.2024.07.30.18.30.04 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 30 Jul 2024 18:30:05 -0700 (PDT) Message-ID: Date: Wed, 31 Jul 2024 11:30:00 +1000 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/8] target/arm: Allow setting the FPCR.EBF bit for FEAT_EBF16 To: Peter Maydell , qemu-arm@nongnu.org, qemu-devel@nongnu.org References: <20240730160306.2959745-1-peter.maydell@linaro.org> <20240730160306.2959745-2-peter.maydell@linaro.org> Content-Language: en-US From: Richard Henderson In-Reply-To: <20240730160306.2959745-2-peter.maydell@linaro.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2607:f8b0:4864:20::1029; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1029.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, SPF_PASS=-0.001 autolearn=unavailable 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 7/31/24 02:02, Peter Maydell wrote: > FEAT_EBF16 adds one new bit to the FPCR floating point control > register. Allow this bit to be read and written when the ID > registers indicate the presence of the feature. > > Note that because this new bit is not in FPSCR_FPCR_MASK the bit is > not visible in the AArch32 FPSCR, and FPSCR writes do not affect it. > > Signed-off-by: Peter Maydell > --- > target/arm/cpu-features.h | 5 +++++ > target/arm/cpu.h | 1 + > target/arm/vfp_helper.c | 8 ++++++-- > 3 files changed, 12 insertions(+), 2 deletions(-) Reviewed-by: Richard Henderson r~