From nobody Thu Apr 2 06:15:59 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; 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; dmarc=pass(p=reject dis=none) header.from=sifive.com ARC-Seal: i=1; a=rsa-sha256; t=1772781220; cv=none; d=zohomail.com; s=zohoarc; b=Yco5vdbQ8KA3UJ83DJZeBZJnQfp+MkKwoO4RhvP5jfhjPNGkANfC41r0hwZLk7UEA4iCDAa316PTrQ6CzVvKvdDCNuvD0Ttp9SOlEOIa+TNdTK2+AuS/DIXzAfd0ktX+5wa0td4AYdWLgaCYUMdaYeQ46hwQZYlzHEzWbEfwp/k= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1772781220; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=XHny1TMn5q5In1DNoCgSGzLeh6esAvW3TWT30T8JNEo=; b=XppaY0trs2Bko6+4YNZKWEEec4SE4olmQHB6tyrxfsuXY0G/9fvtUlFsYtDw4Q+L18+uV/8XjOPTkSYqw6kvw2S4+3IFIEe9soBqN1qr/Gxe+F6eJKB+tenRdDgL8w21vhOAzdA+injtEoUMmmuQx5Mtj755KamwYpm2s9UO8yY= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; 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; dmarc=pass header.from= (p=reject dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1772781220603408.5875631298393; Thu, 5 Mar 2026 23:13:40 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vyPLK-0003Bx-JO; Fri, 06 Mar 2026 02:11:26 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vyPLI-0003BA-PF for qemu-devel@nongnu.org; Fri, 06 Mar 2026 02:11:24 -0500 Received: from mail-pf1-x432.google.com ([2607:f8b0:4864:20::432]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1vyPLH-0007jC-54 for qemu-devel@nongnu.org; Fri, 06 Mar 2026 02:11:24 -0500 Received: by mail-pf1-x432.google.com with SMTP id d2e1a72fcca58-827270d50d4so9274935b3a.3 for ; Thu, 05 Mar 2026 23:11:22 -0800 (PST) Received: from duncan.localdomain (114-35-142-126.hinet-ip.hinet.net. [114.35.142.126]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-829a4636c74sm956093b3a.12.2026.03.05.23.11.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Mar 2026 23:11:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; t=1772781082; x=1773385882; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=XHny1TMn5q5In1DNoCgSGzLeh6esAvW3TWT30T8JNEo=; b=Y2J6xUsssTE/KwerY5DUtTP2rhMsgnjQL9qIxavLHNl2SbzrHDPBpfKBqjwXB1bAYz DPu3GnQHKb3o/JB1avMT2sDg4pl9IFZpz4RlwYDmGv75OzvTzpV+rXykenvlCzSho5o/ Cvra+/hBNYYpXk6cUWfHg4Rmh+gmqU8q27VoKTDuhrj3Fw518gue/Jf/SIkhd+rYu/3V M1+zBx4PluaZIUpXEaVSR+s0koxjEUZ0fUb5XSSc26mpGwV1NNGddqh21567+Vfpyj5I kgq34KNsleC3zHofxVZWg06Xl6+WlgbuBOTsQP+Z2FzzvsbU9XukFAZ4nVGzE6rPMnxF oRSw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1772781082; x=1773385882; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=XHny1TMn5q5In1DNoCgSGzLeh6esAvW3TWT30T8JNEo=; b=Vq9OYnYEQLeIxjIyaLhCvDlKYfDqfz2p+m+1Il5WfjAWmdNagnCf/NBQhV3QvShr6H IbKEncl2Q5yZSdElT4l4d4QvQxSkf69NAroh3/t4dE6iQ572wrPavW0VGhTqslTCnysH HyIPqus6f4asNqJvRXBlY5HOUdtrc03L1qAmstTBK76uodRkzF3RPCPpCvgJDW2526OB 9i7Z+RuSJm84tZBHii7gMCOvtSmWITpwOaj6qQKiPDLYamww6RuTvTShWgKdLbaI2K7p cDtgNTDOb2B8tmftwrUkI3sRqDzEET8cL1FfDe42h/iod/SxPAQwozXeIIqaZaVwJwUH b3Lg== X-Gm-Message-State: AOJu0Yx34hVRuCYZA990qeFRQY+Jb8eGoAhw24G5MlJW4PdujbOQ1nRL B0z5AfmhY16v3t/lMI1KrVGj0xx0Vydd8NNSPIi8yAmcMgtR+JJjs75//u1iZIKs2r3QHWNR+M5 vwiD8TxYul7VCCB2KWBhp+sZk1hf62Sfm1wUX7/I7+fQzws0v2JyoQ6pLtzkAAwfQoQ+rvo+Mab AxTt/giKJVFA1XhXaRM+7xIdiU/f9J9EOaCAT1UvRZViUd X-Gm-Gg: ATEYQzx6+uyShJZO8MPsPAPYAxlBs6wEO0N+8yF+cDqB1aRXd6KB2EyxU+QMOgoLqWb Ql3/HgCUgDDJ/T7ujMEL4nbCAf//oWCahpqttZXX7QhNK1nvdJBpdg/XsHKGTpLRc/tUoM8iof1 u1FClnTaOrXF1AQfsfpff8NgVHAynFVURh94uCY/Aif+XHHrNPRxKILzOhm74gbjx5o1WkuOLip iZwJwpq6KW0YMXF6RCVIYyV3vo0EjnbkSMPQsrMQjPmF9jANjF378dhWr2XZcRHeleFWE8+GARy iNgCoaTMFXjSH8If4ERimKIUOtpgxYCU2pd5rgcEVWhT1Z3LeUc5yqRssLNqX/Lf+UPA9JViTtk OxASqdPUV0wan6PIVxoem+HdnBjzWitVZ2HcmlMRuWkoROoKekVBCb/u4/S25Yn80ffAmqdHSF3 394/NwMqfE8rdx8lC6BpL1AKXxW9gzqgIwVT1baIjRdQ8AiWVhcV30q2wYz08Bf5u8UWZbs2U8X q4PuAmsPmpdkKpDy7pngwCjttA= X-Received: by 2002:a05:6a00:1905:b0:81f:5f49:6913 with SMTP id d2e1a72fcca58-829a2f788dcmr1144696b3a.30.1772781080006; Thu, 05 Mar 2026 23:11:20 -0800 (PST) From: Max Chou To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Cc: Palmer Dabbelt , Alistair Francis , Weiwei Li , Daniel Henrique Barboza , Liu Zhiwei , Chao Liu , Max Chou Subject: [PATCH v5 4/9] target/riscv: rvv: Introduce reset_ill_vtype to reset illegal vtype CSR Date: Fri, 6 Mar 2026 15:10:59 +0800 Message-ID: <20260306071105.3328365-5-max.chou@sifive.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260306071105.3328365-1-max.chou@sifive.com> References: <20260306071105.3328365-1-max.chou@sifive.com> 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: pass client-ip=2607:f8b0:4864:20::432; envelope-from=max.chou@sifive.com; helo=mail-pf1-x432.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, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @sifive.com) X-ZM-MESSAGEID: 1772781220903158500 Content-Type: text/plain; charset="utf-8" Replace the same vill reset flow by reset_ill_vtype function. Reviewed-by: Daniel Henrique Barboza Reviewed-by: Chao Liu Signed-off-by: Max Chou Reviewed-by: Alistair Francis Reviewed-by: Nutty Liu --- target/riscv/vector_helper.c | 21 +++++++++++---------- 1 file changed, 11 insertions(+), 10 deletions(-) diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c index 7575e24084..b7105627ed 100644 --- a/target/riscv/vector_helper.c +++ b/target/riscv/vector_helper.c @@ -49,6 +49,15 @@ static target_ulong vtype_reserved(CPURISCVState *env, t= arget_ulong vtype) return reserved; } =20 +static inline void reset_ill_vtype(CPURISCVState *env) +{ + /* only set vill bit. */ + env->vill =3D 1; + env->vtype =3D 0; + env->vl =3D 0; + env->vstart =3D 0; +} + target_ulong HELPER(vsetvl)(CPURISCVState *env, target_ulong s1, target_ulong s2, target_ulong x0) { @@ -93,11 +102,7 @@ target_ulong HELPER(vsetvl)(CPURISCVState *env, target_= ulong s1, } =20 if ((sew > cpu->cfg.elen) || vill || (vtype_reserved(env, s2) !=3D 0))= { - /* only set vill bit. */ - env->vill =3D 1; - env->vtype =3D 0; - env->vl =3D 0; - env->vstart =3D 0; + reset_ill_vtype(env); return 0; } =20 @@ -113,11 +118,7 @@ target_ulong HELPER(vsetvl)(CPURISCVState *env, target= _ulong s1, } =20 if (cpu->cfg.rvv_vsetvl_x0_vill && x0 && (env->vl !=3D vl)) { - /* only set vill bit. */ - env->vill =3D 1; - env->vtype =3D 0; - env->vl =3D 0; - env->vstart =3D 0; + reset_ill_vtype(env); return 0; } =20 --=20 2.52.0