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 0DC6FC433EF for ; Tue, 1 Feb 2022 07:13:48 +0000 (UTC) Received: from localhost ([::1]:44826 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nEnMJ-0005Hg-N2 for qemu-devel@archiver.kernel.org; Tue, 01 Feb 2022 02:13:47 -0500 Received: from eggs.gnu.org ([209.51.188.92]:39010) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nEmw6-00075D-Mb; Tue, 01 Feb 2022 01:46:43 -0500 Received: from out28-221.mail.aliyun.com ([115.124.28.221]:56657) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nEmvy-0000Ok-DJ; Tue, 01 Feb 2022 01:46:41 -0500 X-Alimail-AntiSpam: AC=CONTINUE; BC=0.1555593|-1; CH=green; DM=|CONTINUE|false|; DS=CONTINUE|ham_system_inform|0.157182-0.000617891-0.8422; FP=0|0|0|0|0|-1|-1|-1; HT=ay29a033018047187; MF=zhiwei_liu@c-sky.com; NM=1; PH=DS; RN=6; RT=6; SR=0; TI=SMTPD_---.MkcwDht_1643697970; Received: from localhost.localdomain(mailfrom:zhiwei_liu@c-sky.com fp:SMTPD_---.MkcwDht_1643697970) by smtp.aliyun-inc.com(10.147.42.135); Tue, 01 Feb 2022 14:46:10 +0800 From: LIU Zhiwei To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH] target/riscv: Fix vill field write in vtype Date: Tue, 1 Feb 2022 14:46:01 +0800 Message-Id: <20220201064601.41143-1-zhiwei_liu@c-sky.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: none client-ip=115.124.28.221; envelope-from=zhiwei_liu@c-sky.com; helo=out28-221.mail.aliyun.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NONE=0.001, T_SCC_BODY_TEXT_LINE=-0.01, UNPARSEABLE_RELAY=0.001 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: , Cc: palmer@dabbelt.com, bin.meng@windriver.com, Alistair.Francis@wdc.com, LIU Zhiwei Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" The guest should be able to set the vill bit as part of vsetvl. Currently we may set env->vill to 1 in the vsetvl helper, but there is nowhere that we set it to 0, so once it transitions to 1 it's stuck there until the system is reset. Signed-off-by: LIU Zhiwei --- target/riscv/vector_helper.c | 1 + 1 file changed, 1 insertion(+) diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c index 020d2e841f..3bd4aac9c9 100644 --- a/target/riscv/vector_helper.c +++ b/target/riscv/vector_helper.c @@ -71,6 +71,7 @@ target_ulong HELPER(vsetvl)(CPURISCVState *env, target_ulong s1, env->vl = vl; env->vtype = s2; env->vstart = 0; + env->vill = 0; return vl; } -- 2.25.1