From patchwork Sun May 15 02:56:09 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tsukasa OI X-Patchwork-Id: 12849973 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 6A71BC433EF for ; Sun, 15 May 2022 03:01:50 +0000 (UTC) Received: from localhost ([::1]:33162 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nq4Vx-0002bu-GR for qemu-devel@archiver.kernel.org; Sat, 14 May 2022 23:01:49 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:58172) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nq4Qy-0003u4-DN; Sat, 14 May 2022 22:56:40 -0400 Received: from mail-sender.a4lg.com ([153.120.152.154]:53434 helo=mail-sender-0.a4lg.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nq4Qw-0005JM-PE; Sat, 14 May 2022 22:56:40 -0400 Received: from [127.0.0.1] (localhost [127.0.0.1]) by mail-sender-0.a4lg.com (Postfix) with ESMTPSA id 8E26C300089; Sun, 15 May 2022 02:56:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=irq.a4lg.com; s=2017s01; t=1652583395; bh=6+nGTMnGzT+4YiTY9T3eWkIA/IB43U9AdVSwTusne2A=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: Mime-Version:Content-Transfer-Encoding; b=o/jozdtqDoovuSM/WZHt8AV0jeNMpDriKZ2KN9TFz331dM6YrWiNF3n9VajFGTsjZ DEyVUdiIIUw3LXxiO41/ZdvroVoGZ4V7Mic33cwGbO7zXvLPR9zHiAzk3TkhxF0yVj cREuHNHDYVBMgGjKp3EuKO3N5oSM6MQsRzn66i+E= From: Tsukasa OI To: Tsukasa OI , Alistair Francis , Frank Chang Cc: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH v2 3/5] target/riscv: Change "G" expansion Date: Sun, 15 May 2022 11:56:09 +0900 Message-Id: In-Reply-To: References: Mime-Version: 1.0 Received-SPF: pass client-ip=153.120.152.154; envelope-from=research_trasio@irq.a4lg.com; helo=mail-sender-0.a4lg.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-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" On ISA version 20190608 or later, "G" expands to "IMAFD_Zicsr_Zifencei". Both "Zicsr" and "Zifencei" are enabled by default and "G" is supposed to be (virtually) enabled as well, it should be safe to change its expansion. Signed-off-by: Tsukasa OI Reviewed-by: Alistair Francis --- target/riscv/cpu.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index 3ea68d5cd7..0854ca9103 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -598,13 +598,16 @@ static void riscv_cpu_realize(DeviceState *dev, Error **errp) if (cpu->cfg.ext_g && !(cpu->cfg.ext_i && cpu->cfg.ext_m && cpu->cfg.ext_a && cpu->cfg.ext_f && - cpu->cfg.ext_d)) { - warn_report("Setting G will also set IMAFD"); + cpu->cfg.ext_d && + cpu->cfg.ext_icsr && cpu->cfg.ext_ifencei)) { + warn_report("Setting G will also set IMAFD_Zicsr_Zifencei"); cpu->cfg.ext_i = true; cpu->cfg.ext_m = true; cpu->cfg.ext_a = true; cpu->cfg.ext_f = true; cpu->cfg.ext_d = true; + cpu->cfg.ext_icsr = true; + cpu->cfg.ext_ifencei = true; } if (cpu->cfg.ext_zdinx || cpu->cfg.ext_zhinx ||