From nobody Mon Feb 9 17:12:18 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1643699642737671.8016878308046; Mon, 31 Jan 2022 23:14:02 -0800 (PST) Received: from localhost ([::1]:44826 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nEnMX-0005Hg-TI for importer@patchew.org; Tue, 01 Feb 2022 02:14:01 -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 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 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; 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: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZM-MESSAGEID: 1643699645651100001 Content-Type: text/plain; charset="utf-8" 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 Reviewed-by: Alistair Francis Reviewed-by: Richard Henderson --- 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_ul= ong s1, env->vl =3D vl; env->vtype =3D s2; env->vstart =3D 0; + env->vill =3D 0; return vl; } =20 --=20 2.25.1