From nobody Sat Sep 21 06:35:35 2024 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=1704971228; cv=none; d=zohomail.com; s=zohoarc; b=X3D8B1BjYptSRL/kWZHauxFy03BNvivcdVL+l6I9OtUZcPLvprxs656VQdXw1Zfx1RUpb8pH7gEbpiLfWBCIKkQiyd4nX/4lzj5H1TxVv3YpjDOJSAktOpt9KsW+N51zJN7Gcf1SZwiFTU6uAy8YxrwsFK973qKdVtLqTc8p9g8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1704971228; h=Content-Transfer-Encoding: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:Cc; bh=aNZhB04G9aaU3Fn26zvvYto3KEIbf3D7ndy2bXnEsD0=; b=dQxqr1zV0zh8keHkSx122GbQlFippyEkZHlO8q39j9+lhMNfVWwXRsX+8n+xc2mWhRRjGhOxKp/8OniS2gBb9IPMJyBlii9qwnp06p73MLZu0C1AnXUPuXB+sMas5jRMpk/yqvXo2BWEX7T+lqh1ZMHStHRKl6PQ8LxH2YusZ2c= 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) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1704971228941147.53750637693975; Thu, 11 Jan 2024 03:07:08 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rNssV-0001Rk-Fl; Thu, 11 Jan 2024 06:05:39 -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 1rNssE-0001OB-EX for qemu-devel@nongnu.org; Thu, 11 Jan 2024 06:05:25 -0500 Received: from mail-wr1-x42b.google.com ([2a00:1450:4864:20::42b]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1rNssC-0004Tf-2J for qemu-devel@nongnu.org; Thu, 11 Jan 2024 06:05:21 -0500 Received: by mail-wr1-x42b.google.com with SMTP id ffacd0b85a97d-33748c4f33dso5005904f8f.1 for ; Thu, 11 Jan 2024 03:05:19 -0800 (PST) Received: from orth.archaic.org.uk (orth.archaic.org.uk. [2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id v30-20020adf8b5e000000b0033690139ea5sm951323wra.44.2024.01.11.03.05.18 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Jan 2024 03:05:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1704971118; x=1705575918; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=aNZhB04G9aaU3Fn26zvvYto3KEIbf3D7ndy2bXnEsD0=; b=qEIODOWJ5IZ1QXSeyYogtsKTsAJwVaTBlwyCabH5jzRSb873qVMJ5cMlh64HPVBOil 9Ik/Vv3VACXkMgu5WbnHgq5z82EmWQ+//Hf0EDfJ6h73Wog7Lh0uMG8gE71wrUFrSsfA ME9UjoOVL/T1QxplreSPdaUQ7HbKlPEqjlm2KLcNQA3+XyvOmx0UoppdLUFd3Jd847uD T8o16UqwoHw5jvmFiJpdB/p1J9roWveLoYztsAgb8C6AwYL6K6U+DIhW01e8tvbdUJ1s TeKxcCFPG8ZK/sTj+GqOGODv5E0dhKr9qes/LoYBOQeIuglPdlUFFEAL1G+X0u1jND8R 3sfA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1704971118; x=1705575918; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=aNZhB04G9aaU3Fn26zvvYto3KEIbf3D7ndy2bXnEsD0=; b=XUL+rOO8WezrAe4ESHpwKCyxVBvhOboGbq/QOIMENq6LVbqA0hyoGD//sfniuDbStQ 6r8OMhAJdpWrTt9C2JIKAIH8gJ7EBXzmwovFMHGuG1cvvTZ9PmWZeCgNx4Xl7bULEtax AYA8CsCBtvyEL45vj2iRH+B8j11hiuSOD8PcMUBlWjQUH71kNOfnRv6gfEKoqUN8UVbP vPdXEfS7LvC7wX0jOzUi4ArXMqUtrPafuthOIE9+rXC9a2+mW2gQ5DJ3ppLPTYKU/YyB EnY6vo25GLxMqd8jVy56Iyvt1oIhHk/2M1J89G2TMCp8rZiNsSnN2KhMqhEZa7c/uceo 5iuQ== X-Gm-Message-State: AOJu0YwpMqqGIWS15gPZ1kY55U0KRjXmCRSXvWkG06ITQ1QsvwSbZXLB y2RR5bC1bIVA2n6wj61u/tK1F0M+iMZYKuhMLUe6ISprmrA= X-Google-Smtp-Source: AGHT+IEtLfACFX0de7KYuVTVL3HO2hHHI1LloB7c2nPQaKsGdO7+moFbur33ZjxcXpF87zPzBXSMOA== X-Received: by 2002:adf:ca0f:0:b0:336:76de:c171 with SMTP id o15-20020adfca0f000000b0033676dec171mr420446wrh.62.1704971118719; Thu, 11 Jan 2024 03:05:18 -0800 (PST) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 27/41] target/arm: Add FEAT_NV to max, neoverse-n2, neoverse-v1 CPUs Date: Thu, 11 Jan 2024 11:04:51 +0000 Message-Id: <20240111110505.1563291-28-peter.maydell@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240111110505.1563291-1-peter.maydell@linaro.org> References: <20240111110505.1563291-1-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::42b; envelope-from=peter.maydell@linaro.org; helo=mail-wr1-x42b.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, 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: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1704971230367100004 Content-Type: text/plain; charset="utf-8" Enable FEAT_NV on the 'max' CPU, and stop filtering it out for the Neoverse N2 and Neoverse V1 CPUs. We continue to downgrade FEAT_NV2 support to FEAT_NV for the latter two CPU types. Signed-off-by: Peter Maydell Reviewed-by: Richard Henderson Tested-by: Miguel Luis --- docs/system/arm/emulation.rst | 1 + target/arm/cpu.c | 8 +++++--- target/arm/tcg/cpu64.c | 1 + 3 files changed, 7 insertions(+), 3 deletions(-) diff --git a/docs/system/arm/emulation.rst b/docs/system/arm/emulation.rst index 0b604f90059..d827b42de79 100644 --- a/docs/system/arm/emulation.rst +++ b/docs/system/arm/emulation.rst @@ -63,6 +63,7 @@ the following architecture extensions: - FEAT_MTE (Memory Tagging Extension) - FEAT_MTE2 (Memory Tagging Extension) - FEAT_MTE3 (MTE Asymmetric Fault Handling) +- FEAT_NV (Nested Virtualization) - FEAT_PACIMP (Pointer authentication - IMPLEMENTATION DEFINED algorithm) - FEAT_PACQARMA3 (Pointer authentication - QARMA3 algorithm) - FEAT_PACQARMA5 (Pointer authentication - QARMA5 algorithm) diff --git a/target/arm/cpu.c b/target/arm/cpu.c index 1c8b7874823..c15ad52ab3d 100644 --- a/target/arm/cpu.c +++ b/target/arm/cpu.c @@ -2238,9 +2238,11 @@ static void arm_cpu_realizefn(DeviceState *dev, Erro= r **errp) /* FEAT_MPAM (Memory Partitioning and Monitoring Extension) */ cpu->isar.id_aa64pfr0 =3D FIELD_DP64(cpu->isar.id_aa64pfr0, ID_AA64PFR0, MPAM, 0); - /* FEAT_NV (Nested Virtualization) */ - cpu->isar.id_aa64mmfr2 =3D - FIELD_DP64(cpu->isar.id_aa64mmfr2, ID_AA64MMFR2, NV, 0); + /* FEAT_NV2 (Enhanced Nested Virtualization support) */ + if (FIELD_EX64(cpu->isar.id_aa64mmfr2, ID_AA64MMFR2, NV) > 1) { + cpu->isar.id_aa64mmfr2 =3D + FIELD_DP64(cpu->isar.id_aa64mmfr2, ID_AA64MMFR2, NV, 1); + } } =20 /* MPU can be configured out of a PMSA CPU either by setting has-mpu diff --git a/target/arm/tcg/cpu64.c b/target/arm/tcg/cpu64.c index 40e7a45166f..93f040e6e96 100644 --- a/target/arm/tcg/cpu64.c +++ b/target/arm/tcg/cpu64.c @@ -1204,6 +1204,7 @@ void aarch64_max_tcg_initfn(Object *obj) t =3D FIELD_DP64(t, ID_AA64MMFR2, UAO, 1); /* FEAT_UAO */ t =3D FIELD_DP64(t, ID_AA64MMFR2, IESB, 1); /* FEAT_IESB */ t =3D FIELD_DP64(t, ID_AA64MMFR2, VARANGE, 1); /* FEAT_LVA */ + t =3D FIELD_DP64(t, ID_AA64MMFR2, NV, 1); /* FEAT_NV */ t =3D FIELD_DP64(t, ID_AA64MMFR2, ST, 1); /* FEAT_TTST */ t =3D FIELD_DP64(t, ID_AA64MMFR2, AT, 1); /* FEAT_LSE2 */ t =3D FIELD_DP64(t, ID_AA64MMFR2, IDS, 1); /* FEAT_IDST */ --=20 2.34.1