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 X-Spam-Level: X-Spam-Status: No, score=-5.4 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E7AF7C433E0 for ; Fri, 26 Feb 2021 16:03:08 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 6104F64EF6 for ; Fri, 26 Feb 2021 16:03:08 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6104F64EF6 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:38176 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lFfa7-00063W-5h for qemu-devel@archiver.kernel.org; Fri, 26 Feb 2021 11:03:07 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:43274) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lFfYN-0004sv-L8 for qemu-devel@nongnu.org; Fri, 26 Feb 2021 11:01:21 -0500 Received: from mail-pl1-x629.google.com ([2607:f8b0:4864:20::629]:41196) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lFfY7-0004QP-Jp for qemu-devel@nongnu.org; Fri, 26 Feb 2021 11:01:15 -0500 Received: by mail-pl1-x629.google.com with SMTP id d11so5517476plo.8 for ; Fri, 26 Feb 2021 08:01:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=wYfiXOnByAVnor7YFcTcvRC0kTpFWiFu1SZjgXJcwRM=; b=qerGzWvWRYTdCJt+ISBNnLOmprmgP2a8rO3+J9KT0KHgT3723yIUY/D/yZ6/p3VuIm 7RVisWEAe/8yw05/fN0PWyxrvkDkBeMzKiiwTrlbReQPP4tqFZRLYzwf1kPePNBDJ55+ wXKUucIoDnpeQ23FdLSqhsajeX63b8XjudURnXU+cKJ2QhYW20eHXIWSraiiE6iv4d1I lgvVsjtgkTQ4cuSS1H+W9xdrDd/EUdoaOCrRjcWGkuxg9zJ45Cv4I8MO/hhGolYAx7Os 6Dnf3oCukA8+Z1ZYl1/kMG92r1r2hJlp7ojyKYmxxj4ULh/ATY6qfLZTvb4aVP9e2Dss mk2A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=wYfiXOnByAVnor7YFcTcvRC0kTpFWiFu1SZjgXJcwRM=; b=sw2NS65fZI2BdOXberrYC3EguYKFKmSQ6XUOjjIffCN5va3JCmiRR0BiJcpjyTAHeP is6g6qYSKpiieYkv1bdjv9njEHJT9DaDriofHIZ2ulLdCXE4CtpiQOvBJ+cOInMlMvqi jJknCg9iUUM8aRHuh4p1Dn8V7DLdORuWFkJlQnZHfS++kkJgXvLjUMwgDHeD5Qnpqw5P RtQZ3AW5day9QpTP6Dt+B+kqvWoF5QFpvSdTk1EUo1poBw4LosHlxt1yOVx/kAwEIap6 Osa3gnCS0EpXonp0uus7uSeuYoCpu9yLBRovI1E+TjgmfEhMlL0JxDArfKX0Npr3LcCz crZw== X-Gm-Message-State: AOAM530TRRHqc3wXpAlIc9P50Ovowl8lkpxPVJrlUzAmRcqcbCkYMLef jG1yJXo4JukW1MzoR3hrNzBOBMM6TDCaFA== X-Google-Smtp-Source: ABdhPJzBVhq3828nByHI/fJPp3kZzZyWV/VsgrutP6IkuFS78g3WQQsXw1WX/UDR6C5X4bbEavbBXA== X-Received: by 2002:a17:90a:bd90:: with SMTP id z16mr4137535pjr.123.1614355261772; Fri, 26 Feb 2021 08:01:01 -0800 (PST) Received: from [192.168.1.11] (174-21-84-25.tukw.qwest.net. [174.21.84.25]) by smtp.gmail.com with ESMTPSA id j20sm7864514pfh.31.2021.02.26.08.01.00 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 26 Feb 2021 08:01:01 -0800 (PST) Subject: Re: [PATCH v24 16/18] target/i386: gdbstub: introduce aux functions to read/write CS64 regs To: Claudio Fontana , Paolo Bonzini , =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= , Eduardo Habkost , Peter Maydell , =?UTF-8?Q?Alex_Benn=c3=a9e?= References: <20210226094939.11087-1-cfontana@suse.de> <20210226094939.11087-17-cfontana@suse.de> <2bee4ef2-4704-a0e3-4fd0-1fe66d8952d7@suse.de> From: Richard Henderson Message-ID: Date: Fri, 26 Feb 2021 08:00:59 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <2bee4ef2-4704-a0e3-4fd0-1fe66d8952d7@suse.de> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2607:f8b0:4864:20::629; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x629.google.com X-Spam_score_int: -23 X-Spam_score: -2.4 X-Spam_bar: -- X-Spam_report: (-2.4 / 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, NICE_REPLY_A=-0.349, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Laurent Vivier , Thomas Huth , Roman Bolshakov , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 2/26/21 1:58 AM, Claudio Fontana wrote: > Could we have a target "i386" (not TARGET_X86_64) for which HF_CS64_MASK gets set? No. Without TARGET_X86_64, we cannot enter 64-bit mode. r~