From nobody Wed Nov 19 04:35:02 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; 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 ARC-Seal: i=1; a=rsa-sha256; t=1614310152; cv=none; d=zohomail.com; s=zohoarc; b=kRNoKWPWT7hGdIB7iMhcSYezoHkMrQJy38acEvTQPJC8kXYwYwOE8gExdjFq3Dt6/hxx8sbHgRLu/LPYeYgPrSu2Oy4Xwjclim95H1oK3Z/sj02Pix5hL/2fcaQHy0qsRs6vGpKqTZgfuoyh+Vs5IqXeCWIYRadKJmAUBQ5T8mo= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1614310152; h=Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:Message-ID:References:Sender:Subject:To; bh=bmrQQ5mDYjBADfn4f4ipzmNX78oHq3CXThhzJoHA7E8=; b=asi6IklqY5pV6FL+8ZiCHw2ARcQpIq+skCTRTAWedjcJU6FcCH+QRCeyZMEvvbuxLRumy3SGc8CIz+W4rzEgVwDQyom7rVBe9jbGzo1mboU6sddihlhpoKYzEILv2pczHBF1b0tTbgkISPWseKbgTPI157LaPzXDgplxRI9pH78= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; 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 161431015251823.04541834304132; Thu, 25 Feb 2021 19:29:12 -0800 (PST) Received: from localhost ([::1]:36480 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lFToV-0006Gn-Fm for importer@patchew.org; Thu, 25 Feb 2021 22:29:11 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:33488) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lFTf6-0005YI-Vj for qemu-devel@nongnu.org; Thu, 25 Feb 2021 22:19:29 -0500 Received: from mail-pg1-x52f.google.com ([2607:f8b0:4864:20::52f]:35727) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lFTf5-0000S0-CW for qemu-devel@nongnu.org; Thu, 25 Feb 2021 22:19:28 -0500 Received: by mail-pg1-x52f.google.com with SMTP id t25so5403012pga.2 for ; Thu, 25 Feb 2021 19:19:26 -0800 (PST) Received: from frankchang-ThinkPad-T490.internal.sifive.com (114-34-229-221.HINET-IP.hinet.net. [114.34.229.221]) by smtp.gmail.com with ESMTPSA id p11sm7083709pjb.31.2021.02.25.19.19.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 25 Feb 2021 19:19:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=bmrQQ5mDYjBADfn4f4ipzmNX78oHq3CXThhzJoHA7E8=; b=jFaCntHh9K86lGQ6XO0bhAE2/ldoJK2FSFhliLrgldX2d+TKeE0hBgJizMuWCi/4oU MvV2oYrwhVAEIeb4R1EtovFmKkUa4bP5JTSXi8pWFymNGgz8UdvUxHqpLEJ0x2WO9Zyo fatEP3pqUxxN53htsHKSwP8tB3vp8kM/Q0MjMhR74crZ/omVX+3YmNrhV7dgCDAnMXr5 xJ39xs+kb6aedznTacT+Y6ssRt+zsK6NPoBgqP7QXMtn91Vn3br5JT+GPkH+yhhr1vzd dqvmMcBOtSj0xFP2jeQcH44PUxCzZq2Rj6wJQYBA2mIJ796W/x5IPaLRahhdgOSP2Xq0 Rmbg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=bmrQQ5mDYjBADfn4f4ipzmNX78oHq3CXThhzJoHA7E8=; b=KmAXIWwLGEHz9e1KSf1oXdgcPZPGyHdcXfB8ucfqqQ4uYscr0Vt71mhI/xsqd2QAQd VcOloEkZO4KOkvhMNVEZpFCNHCLGakGJ8rV5tS5QxqaNwZsGYrEbYGlrIbnlppD6sEvz krtPHfZGJY9PKe8qBAQPIVq2lb0ksG789eKGYyBLpOr9wcClvSwloYuZQfvq1lzqD3OB 8xh7/jhNcR4f5YbN8I7EXMRXttMqSYOO7lCU13YV2WxFIBxfVJz7kUrkjo6ZXvxZSJEM 3sp+DlVlQI/LOabqJ+Rm3zqwSPrL/z5R0cFlDmIFFzCodaIEe2gcZ09OBYsYCIHgi6Dp YshA== X-Gm-Message-State: AOAM533lG0V1mCM4QFEYCHOgeNwoRf64Zuu7gPlbZy9EDcKo5/RAq2Ch zCOGIPLLSSXtGK+sUvUXb59jL5EYiJW4wA== X-Google-Smtp-Source: ABdhPJx8+jSjBuMcVuWN+adGcOmkKbEFCDhgle3IHYqOBIb2pHwWMKGrei+izqhs8+JLURP8Ht48qQ== X-Received: by 2002:aa7:8c0f:0:b029:1ed:4d05:218c with SMTP id c15-20020aa78c0f0000b02901ed4d05218cmr978017pfd.21.1614309565713; Thu, 25 Feb 2021 19:19:25 -0800 (PST) From: frank.chang@sifive.com To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH v7 05/75] target/riscv: rvv-1.0: introduce writable misa.v field Date: Fri, 26 Feb 2021 11:17:49 +0800 Message-Id: <20210226031902.23656-6-frank.chang@sifive.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210226031902.23656-1-frank.chang@sifive.com> References: <20210226031902.23656-1-frank.chang@sifive.com> 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::52f; envelope-from=frank.chang@sifive.com; helo=mail-pg1-x52f.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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Frank Chang , Alistair Francis , Palmer Dabbelt , Sagar Karandikar , Bastian Koppelmann Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Frank Chang Implementations may have a writable misa.v field. Analogous to the way in which the floating-point unit is handled, the mstatus.vs field may exist even if misa.v is clear. Signed-off-by: Frank Chang Reviewed-by: Richard Henderson Reviewed-by: Alistair Francis --- target/riscv/csr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/riscv/csr.c b/target/riscv/csr.c index 098de1abacb..89867a93643 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -571,7 +571,7 @@ static int write_misa(CPURISCVState *env, int csrno, ta= rget_ulong val) val &=3D env->misa_mask; =20 /* Mask extensions that are not supported by QEMU */ - val &=3D (RVI | RVE | RVM | RVA | RVF | RVD | RVC | RVS | RVU); + val &=3D (RVI | RVE | RVM | RVA | RVF | RVD | RVC | RVS | RVU | RVV); =20 /* 'D' depends on 'F', so clear 'D' if 'F' is not present */ if ((val & RVD) && !(val & RVF)) { --=20 2.17.1