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 03CDEC433F5 for ; Thu, 3 Mar 2022 15:22:47 +0000 (UTC) Received: from localhost ([::1]:37980 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nPnHy-0006Ei-Si for qemu-devel@archiver.kernel.org; Thu, 03 Mar 2022 10:22:46 -0500 Received: from eggs.gnu.org ([209.51.188.92]:45382) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nPnAV-00033M-4T for qemu-devel@nongnu.org; Thu, 03 Mar 2022 10:15:03 -0500 Received: from [2607:f8b0:4864:20::1130] (port=44489 helo=mail-yw1-x1130.google.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nPnAT-0003pW-I9 for qemu-devel@nongnu.org; Thu, 03 Mar 2022 10:15:02 -0500 Received: by mail-yw1-x1130.google.com with SMTP id 00721157ae682-2d07ae0b1c4so58992257b3.11 for ; Thu, 03 Mar 2022 07:15:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=uVYtaPeuca20SiBZvEaBw5/2H45uT9Svffn7+JrWlng=; b=EQcRhxbvLIdreRHPtuh/bE1jPgcMOOr5L4S4/2/jSMhAO7+HB9YAqjaHk4TbQSOIAf pHg54o1dZPxYD12QptMkDQZ0ysYTUuf+epvqwrm+CQQTJZPuo/ColTgdfar6ws3MANyY 9FGnNun878vZNtSUyk5myIlEtfVxA11LzUwuFrB3N14TAFAaK9m98XT8vXOzzt95tEv8 1RJrbwm5eRxDqtKMSwt4uu6ad+lRvfU7rl7ceObE6i0IHr8IrGJipxsAHQefTqeCWSVk vmaZazeEmjOL6uxCOFHixsr5A5Jms+z8UgwNfTpOAoj80KaxZ6+1Xs4CKMQ+FrIwPsPe 5LwQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=uVYtaPeuca20SiBZvEaBw5/2H45uT9Svffn7+JrWlng=; b=nRGlqLMyPpCUakASrC4ei7G8n5AOV4H4EwkuL2z3fqPNEJZzU7RD0vqBRJyhn4Rdnp jhfPLp+dBMQ/eXhwvaXzC9ismueaviq2/KuF3/7Up7F8lj61gcyOaDvv+kLVhUB7psY1 rQHTEjjjWZ9JezHSc3SfADiX7cxPmMRq3pIMsSKxf+3LTcfnPy5EGpjV+9wjhPQFAHVI w5p1NzTch0Hk3xK5XXIdHrJSSyZ4mObZo0pGk3MuCoRbRli2/IlDwW9Xr6RnIVurp0bh lo0mXCIX5kRwpJinxvzLdTcBGqM1ZQGm+q5QpO7/DaTWMEn1hRgxbvSobJcV5GtHzNZ6 1KwQ== X-Gm-Message-State: AOAM533tTnrbRhzvSE8SWpewI5oINflmSClMw1eL9XTAb7aBHk3QkXy4 z51Fz4JblbyrrTV/LPLdhEoDkQbyflPdOBMEPRrS7Omktd3zew== X-Google-Smtp-Source: ABdhPJxgT4sKlzis7NhTMmnZEsK5AfcHjuvDC5cZM6FmLTa/JgELwsZVjRWc7JD3eQQysIgvd9Tsl7gDlAC7wBnPQCU= X-Received: by 2002:a81:b49:0:b0:2db:f472:dfca with SMTP id 70-20020a810b49000000b002dbf472dfcamr11858417ywl.455.1646320500373; Thu, 03 Mar 2022 07:15:00 -0800 (PST) MIME-Version: 1.0 References: <20220227020413.11741-1-richard.henderson@linaro.org> <20220227020413.11741-4-richard.henderson@linaro.org> In-Reply-To: <20220227020413.11741-4-richard.henderson@linaro.org> From: Peter Maydell Date: Thu, 3 Mar 2022 15:14:49 +0000 Message-ID: Subject: Re: [PATCH v2 3/9] accel/tcg: Support TCG_TARGET_SIGNED_ADDR32 for softmmu To: Richard Henderson Content-Type: text/plain; charset="UTF-8" X-Host-Lookup-Failed: Reverse DNS lookup failed for 2607:f8b0:4864:20::1130 (failed) Received-SPF: pass client-ip=2607:f8b0:4864:20::1130; envelope-from=peter.maydell@linaro.org; helo=mail-yw1-x1130.google.com X-Spam_score_int: -6 X-Spam_score: -0.7 X-Spam_bar: / X-Spam_report: (-0.7 / 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, PDS_HP_HELO_NORDNS=0.659, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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: , Cc: qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Sun, 27 Feb 2022 at 02:08, Richard Henderson wrote: > > When TCG_TARGET_SIGNED_ADDR32 is set, adjust the tlb addend to > allow the 32-bit guest address to be sign extended within the > 64-bit host register instead of zero extended. > > This will simplify tcg hosts like MIPS, RISC-V, and LoongArch, > which naturally sign-extend 32-bit values, in contrast to x86_64 > and AArch64 which zero-extend them. > > Signed-off-by: Richard Henderson > --- Reviewed-by: Peter Maydell thanks -- PMM