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=-15.1 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=ham 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 06A15C433DB for ; Tue, 12 Jan 2021 05:53:37 +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 49BF022CB2 for ; Tue, 12 Jan 2021 05:53:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 49BF022CB2 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]:54664 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kzCcZ-0002bv-FU for qemu-devel@archiver.kernel.org; Tue, 12 Jan 2021 00:53:35 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:40024) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kzCX4-0007Zi-A6 for qemu-devel@nongnu.org; Tue, 12 Jan 2021 00:47:54 -0500 Received: from mail-pg1-x532.google.com ([2607:f8b0:4864:20::532]:40251) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kzCX2-0005Fr-Oq for qemu-devel@nongnu.org; Tue, 12 Jan 2021 00:47:54 -0500 Received: by mail-pg1-x532.google.com with SMTP id 15so710921pgx.7 for ; Mon, 11 Jan 2021 21:47:52 -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=QtRWZNVx+/O8QZ7RfhyHbtfIVLRwdrGSvp3PHVAdGEU=; b=SAUM2TwW71YqzwgKKKCPQfh+kIQAxRKYUYmoZFFhh8HUJ+eqVQZ/Qe9V/Oq8ifTdor mvR+2XeTT3DUC55zDvXHPgjygBG1P+JWE0mCX28N7s5SKcspmNhCqiG0uJvsDK0i+DZ1 DsSOBlXpdwqBYajmOGcTiQVc9G97lU0psXTJsK5xPtqxmQ4grxJFbrRN65hUJ/efc8JL UD/rSt6AUvEj7jP2J0gegOoA9sa7+YYoBcGvY1NxeCmz96e6kDrYXO0gBwwORhdXUCLL lXKsBdc/FbnhE+PrkNmYSYf/4adraUf4HqLw6HHC1XwgjkmpRzTnZwykbH21i5tlLJBF 9riw== 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=QtRWZNVx+/O8QZ7RfhyHbtfIVLRwdrGSvp3PHVAdGEU=; b=CppfeYVsmSkJLCIEN0CR7vVJ5MAnYBcmRecbDR4wlkF5A+YN/VlhFcGDmpB9AWHU7s G0PNTp1GwCRXlhdGVZFtdg+/hbQ1hYSmtpWPerLcTVDyGqnibyB7o/N5p8jB5gErJNSL 0k7s58EwZ1NCnKWGEOh8WPVTmYooHzJnc7fNG6rNLf3HfSXMJT+lPp96hrZGMEEaI82O Tw/bIv30kwoUEthcqq3q6Wqj+Sfb3GQGgaHWF8iJDUESPqgGkbxsRtmzbKXFSsTY2Dvq jB49NhHc5d2YOsTSdd+H31zwY5cDhtlyR6wGObfmVC1I7RCg4aY9At9xkrLAN8L43KCJ xN1A== X-Gm-Message-State: AOAM532UobQJzuFWShxhqZdu3oB29DCrgGWS0Vf6VNBpoWq2KXJIr+BL G1K60cc74VJGO8xdHZEqX2JKmtzrmVws9w== X-Google-Smtp-Source: ABdhPJwMRHIJSk7HD+uZIaEdH4ca9zwXYEhqTc5yOL2F9QxSLCnDKhVgNnaCy25M1cnxWvtakkGNGA== X-Received: by 2002:a62:ae18:0:b029:1a9:ac67:3b1c with SMTP id q24-20020a62ae180000b02901a9ac673b1cmr3038444pff.29.1610430471605; Mon, 11 Jan 2021 21:47:51 -0800 (PST) Received: from [10.25.18.36] (rrcs-173-197-107-21.west.biz.rr.com. [173.197.107.21]) by smtp.gmail.com with ESMTPSA id y27sm1507701pfr.78.2021.01.11.21.47.49 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 11 Jan 2021 21:47:51 -0800 (PST) Subject: Re: [RFC v3 16/16] target/riscv: rvb: support and turn on B-extension from command line To: frank.chang@sifive.com, qemu-devel@nongnu.org, qemu-riscv@nongnu.org References: <20210112022001.20521-1-frank.chang@sifive.com> <20210112022001.20521-17-frank.chang@sifive.com> From: Richard Henderson Message-ID: Date: Mon, 11 Jan 2021 19:47:47 -1000 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: <20210112022001.20521-17-frank.chang@sifive.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2607:f8b0:4864:20::532; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x532.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, NICE_REPLY_A=-0.001, 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: Bastian Koppelmann , Kito Cheng , Alistair Francis , Palmer Dabbelt , Sagar Karandikar Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 1/11/21 4:19 PM, frank.chang@sifive.com wrote: > From: Kito Cheng > > B-extension is default off, use cpu rv32 or rv64 with x-b=true to > enable B-extension. > > Signed-off-by: Kito Cheng > Signed-off-by: Frank Chang > Reviewed-by: Alistair Francis > --- > target/riscv/cpu.c | 4 ++++ > target/riscv/cpu.h | 2 ++ > 2 files changed, 6 insertions(+) Reviewed-by: Richard Henderson r~