From nobody Mon Feb 9 21:20:48 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=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621524967; cv=none; d=zohomail.com; s=zohoarc; b=ZOp3OyDKevJEfa2hQpugQZImgrEPiChfP27jrdnFgfzlyKolgVLHrKuAsMRetRjaZDt8hRZqclQ9YOJf+iphJVpFibwrJ2pLe6Waw6oodb+LsJxTXelBqc9cW+ZUpnOcwktYCYuCUEJLN0OgCVa6rmyo1ka+Uch90BDOTw6ozZI= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621524967; h=Content-Transfer-Encoding:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=DnbJwhTPFVUYyLIk68eWKoH+oBvtevWOvwYTKcV4l1s=; b=l2003aCPDZY8cJZ1W594qbcSKiVFlU+9UpNFfs9rwzPjvJHwfgjoFXXuD4KTRkO5CvIqLuHRhDckTIX1QxmGPNImwnPy6y5AfmeAOQg7t1ODG229lmS/DIaqNBSetW2oGRAPAvtyHvt5yIJDNcXrxqZWLMqf6ZEpANviYahnwQ8= 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=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1621524967589557.7305095156865; Thu, 20 May 2021 08:36:07 -0700 (PDT) Received: from localhost ([::1]:53114 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ljkiU-0007mF-HW for importer@patchew.org; Thu, 20 May 2021 11:36:06 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:49574) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ljkbO-0007ns-Uf for qemu-devel@nongnu.org; Thu, 20 May 2021 11:28:47 -0400 Received: from mail-wr1-x435.google.com ([2a00:1450:4864:20::435]:35438) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1ljkbM-0000dy-5h for qemu-devel@nongnu.org; Thu, 20 May 2021 11:28:46 -0400 Received: by mail-wr1-x435.google.com with SMTP id a4so18143059wrr.2 for ; Thu, 20 May 2021 08:28:43 -0700 (PDT) Received: from orth.archaic.org.uk (orth.archaic.org.uk. [81.2.115.148]) by smtp.gmail.com with ESMTPSA id r2sm3916126wrv.39.2021.05.20.08.28.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 20 May 2021 08:28:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=DnbJwhTPFVUYyLIk68eWKoH+oBvtevWOvwYTKcV4l1s=; b=L4DnhIB3svIofXAgpA318UFWOvnhwsrRI0h1TdkUhsRL3HiQrI70S/wvTslhiD8XGn c049/S7gDtBVKsonySz209zRJzE6VeMbLh2UHfbGkjp+zvH6Y9Rcrh4zngZRIs+T95FR AovXAagxmolPrGQpph0F6JUCCHC3GqCCnKAbsx15eIy0INi8XrH4AjSqtfwOsnjEpVf6 P3FgnK+I2n+BeNgMGhB6sT5dHILTmITXlz3jleuJv6xEq7wCBPbyo5FuC1ZhZ31viPvU UX5W4g3En/SHEA4vVm6zLzW1cFtxanCJVrsiOdVXmGXZG7yJegfPcAKGgz0KicoMRyAs 1jrg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=DnbJwhTPFVUYyLIk68eWKoH+oBvtevWOvwYTKcV4l1s=; b=uVRLvWI1nAayWrtgRzWOufZf3VVktzTr24LQdWTmSt8+ZeF9SBbk8+iFag/jDA4i30 1OkQYMbDzpE/XC2ymDj7fccrUTJcOYTk2zParI4XPQhDHyDHo+e+woJATEqQe7QJFCZQ lgWHEtJce4yE9ebiW6ytkvM7ekDemXTvuxR9Kqpog2yEDJdAsT4QzZ/jKILnbDBfbE2y sYZBJWLWne7UMca8/ud9GMtIUQ/AsTAvHS0qly6vC/tD3doxaTk4ODbnRNsNb8ewPUKL IRjGCbOeSWP2XwQRzq9yEcGWKnVOI4zxYU8hKAyLVGB7CRqCUEdzypwdn4kDSqpE1ElU bECA== X-Gm-Message-State: AOAM5337LtFlCl6blgNIXbriBh0LyYaSUqHxO8dTO+zO8smzNhDz45lu l3sOvC6T0WNgJh1xaLlBmUzq2TSBNoc1Xp2x X-Google-Smtp-Source: ABdhPJww6k6I5pIwp1Cg5W+qBZampPU2mIR3bso5c0u6WcqYf11LzeVllz5RXfj1bxwGt4oMfRTG1Q== X-Received: by 2002:adf:fdce:: with SMTP id i14mr4763696wrs.303.1621524522868; Thu, 20 May 2021 08:28:42 -0700 (PDT) From: Peter Maydell To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH 1/9] target/arm: Add isar feature check functions for MVE Date: Thu, 20 May 2021 16:28:32 +0100 Message-Id: <20210520152840.24453-2-peter.maydell@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210520152840.24453-1-peter.maydell@linaro.org> References: <20210520152840.24453-1-peter.maydell@linaro.org> 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=2a00:1450:4864:20::435; envelope-from=peter.maydell@linaro.org; helo=mail-wr1-x435.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: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) Content-Type: text/plain; charset="utf-8" Add the isar feature check functions we will need for v8.1M MVE: * a check for MVE present: this corresponds to the pseudocode's CheckDecodeFaults(ExtType_Mve) * a check for the optional floating-point part of MVE: this corresponds to CheckDecodeFaults(ExtType_MveFp) Signed-off-by: Peter Maydell Reviewed-by: Richard Henderson --- target/arm/cpu.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/target/arm/cpu.h b/target/arm/cpu.h index 616b3932534..d037f5530fc 100644 --- a/target/arm/cpu.h +++ b/target/arm/cpu.h @@ -3801,6 +3801,28 @@ static inline bool isar_feature_aa32_fp16_arith(cons= t ARMISARegisters *id) } } =20 +static inline bool isar_feature_aa32_mve(const ARMISARegisters *id) +{ + /* + * Return true if MVE is supported (either integer or floating point). + * We must check for M-profile as the MVFR1 field means something + * else for A-profile. + */ + return isar_feature_aa32_mprofile(id) && + FIELD_EX32(id->mvfr1, MVFR1, MVE) > 0; +} + +static inline bool isar_feature_aa32_mve_fp(const ARMISARegisters *id) +{ + /* + * Return true if MVE is supported (either integer or floating point). + * We must check for M-profile as the MVFR1 field means something + * else for A-profile. + */ + return isar_feature_aa32_mprofile(id) && + FIELD_EX32(id->mvfr1, MVFR1, MVE) >=3D 2; +} + static inline bool isar_feature_aa32_vfp_simd(const ARMISARegisters *id) { /* --=20 2.20.1