From nobody Tue Nov 26 09:28:19 2024 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; dmarc=pass(p=none dis=none) header.from=nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1709112813; cv=none; d=zohomail.com; s=zohoarc; b=CBGBMKQe/G4NUJpKR2L78x5FImcNKJ1l7QMV+aD+lxR+uCTHydyUc4S4WZAT3dwws0+3oVGCUUI3AkRf19OGZq2B4eoZmL2JmKAtkaKcE6UhGIRtxqpcY38kFRutiy88cXgPIG2JsuyC08CvkTG6W5sIV3cu5jcbCZrGJ36CUFM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1709112813; h=Content-Type: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:Reply-To:Reply-To:References:Sender:Subject:Subject:To:To:Message-Id; bh=8TFonrZeeb9Z5oiTebD7Ywi/vJ/Y18Mgf+7PSNgiT1o=; b=JwowuTem/3MBoYGDlV9d7OcMdtTI9k5wJjZbAhGSKQ8V2IbwrAqlEAsD0sy0JsMwHW1RtqRCGFmNAu8Jeww6yJDCdATFp4ZE2+LuYK9XMuWSrrtefSz9WsFmszxWyTQATRwk0UJQUOdxEw5vhHbVtG3fNNo/jJgE3TxZLpvPH+E= ARC-Authentication-Results: i=1; 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; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 17091128136211.3195725414906292; Wed, 28 Feb 2024 01:33:33 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rfGHW-00015l-Cf; Wed, 28 Feb 2024 04:31:18 -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 1rfGHJ-00010w-Fk; Wed, 28 Feb 2024 04:31:07 -0500 Received: from szxga01-in.huawei.com ([45.249.212.187]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rfGHF-0001P1-WF; Wed, 28 Feb 2024 04:31:04 -0500 Received: from mail.maildlp.com (unknown [172.19.162.254]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4Tl8DT1hMjzvVyH; Wed, 28 Feb 2024 17:28:41 +0800 (CST) Received: from kwepemi500008.china.huawei.com (unknown [7.221.188.139]) by mail.maildlp.com (Postfix) with ESMTPS id 1E97718006C; Wed, 28 Feb 2024 17:30:51 +0800 (CST) Received: from huawei.com (10.67.174.55) by kwepemi500008.china.huawei.com (7.221.188.139) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.35; Wed, 28 Feb 2024 17:30:50 +0800 To: , , , , , , CC: Subject: [RFC PATCH v4 01/22] target/arm: Handle HCR_EL2 accesses for bits introduced with FEAT_NMI Date: Wed, 28 Feb 2024 09:29:25 +0000 Message-ID: <20240228092946.1768728-2-ruanjinjie@huawei.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240228092946.1768728-1-ruanjinjie@huawei.com> References: <20240228092946.1768728-1-ruanjinjie@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.67.174.55] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To kwepemi500008.china.huawei.com (7.221.188.139) 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=45.249.212.187; envelope-from=ruanjinjie@huawei.com; helo=szxga01-in.huawei.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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: , Reply-to: Jinjie Ruan From: Jinjie Ruan via Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1709112815750100001 Content-Type: text/plain; charset="utf-8" FEAT_NMI defines another three new bits in HCRX_EL2: TALLINT, HCRX_VINMI and HCRX_VFNMI. When the feature is enabled, allow these bits to be written in HCRX_EL2. Signed-off-by: Jinjie Ruan Reviewed-by: Richard Henderson --- v4: - Update the comment for FEAT_NMI in hcrx_write(). - Update the commit message, s/thress/three/g. v3: - Add Reviewed-by. - Add HCRX_VINMI and HCRX_VFNMI support in HCRX_EL2. - Upate the commit messsage. --- target/arm/cpu-features.h | 5 +++++ target/arm/helper.c | 5 +++++ 2 files changed, 10 insertions(+) diff --git a/target/arm/cpu-features.h b/target/arm/cpu-features.h index 7567854db6..2ad1179be7 100644 --- a/target/arm/cpu-features.h +++ b/target/arm/cpu-features.h @@ -681,6 +681,11 @@ static inline bool isar_feature_aa64_sme(const ARMISAR= egisters *id) return FIELD_EX64(id->id_aa64pfr1, ID_AA64PFR1, SME) !=3D 0; } =20 +static inline bool isar_feature_aa64_nmi(const ARMISARegisters *id) +{ + return FIELD_EX64(id->id_aa64pfr1, ID_AA64PFR1, NMI) !=3D 0; +} + static inline bool isar_feature_aa64_tgran4_lpa2(const ARMISARegisters *id) { return FIELD_SEX64(id->id_aa64mmfr0, ID_AA64MMFR0, TGRAN4) >=3D 1; diff --git a/target/arm/helper.c b/target/arm/helper.c index 90c4fb72ce..affa493141 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -6056,6 +6056,11 @@ static void hcrx_write(CPUARMState *env, const ARMCP= RegInfo *ri, valid_mask |=3D HCRX_MSCEN | HCRX_MCE2; } =20 + /* FEAT_NMI adds TALLINT, VINMI and VFNMI */ + if (cpu_isar_feature(aa64_nmi, env_archcpu(env))) { + valid_mask |=3D HCRX_TALLINT | HCRX_VINMI | HCRX_VFNMI; + } + /* Clear RES0 bits. */ env->cp15.hcrx_el2 =3D value & valid_mask; } --=20 2.34.1