From nobody Mon Apr 7 18:07:06 2025 Delivered-To: importer@patchew.org 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; 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 Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 158108620669014.616290264431882; Fri, 7 Feb 2020 06:36:46 -0800 (PST) Received: from localhost ([::1]:57906 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j04kP-0005IT-7h for importer@patchew.org; Fri, 07 Feb 2020 09:36:45 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:51279) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j04hb-00086J-Iw for qemu-devel@nongnu.org; Fri, 07 Feb 2020 09:33:52 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j04ha-0002HT-E5 for qemu-devel@nongnu.org; Fri, 07 Feb 2020 09:33:51 -0500 Received: from mail-wr1-x432.google.com ([2a00:1450:4864:20::432]:33113) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1j04ha-0002ER-7j for qemu-devel@nongnu.org; Fri, 07 Feb 2020 09:33:50 -0500 Received: by mail-wr1-x432.google.com with SMTP id u6so2985012wrt.0 for ; Fri, 07 Feb 2020 06:33:50 -0800 (PST) Received: from orth.archaic.org.uk (orth.archaic.org.uk. [81.2.115.148]) by smtp.gmail.com with ESMTPSA id w1sm3796430wro.72.2020.02.07.06.33.48 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 07 Feb 2020 06:33:48 -0800 (PST) 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=80J78t2XuOP/qHYw6VsV0YcPao+P7Of2KkB0sDJy0gY=; b=pPLGpvX1qr1IRkgrx3okUHGvnIWpmRdJsPZBDn9IawlT2NbS26mIfZTzhm/coB2kgP BsavQ30CEaTNsEzHDAHP5SyVr0VghF6TMNpcxrngq6A+63DXjMRYpyiHSaqX09NIfmeN tlCsILdUSUC5rFmEIe7mh1D2mZxVH5uBl5N1qlK98oPGnhLlE47Cz+zeoahU0bo21MIq W5YnxCz/HRn9RwImWqOqmMnEuEs67JQfqVqOFKMl5LOKqSOHUc+JLExHtaJ08Dv5wNVL ITlV5YXX7aQVFQGhL7KlwKzKmlufHS8DoEbXxjPnwkrtOdqwBS+xEcbZWTtAMpJeCN8g V3aw== 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=80J78t2XuOP/qHYw6VsV0YcPao+P7Of2KkB0sDJy0gY=; b=Tg7yE05pNOHHLc8oy6Nx5/71nTFclDt+D5D10kAYISm5IRmraNVVBs0w9gcxQe9Dju ixKs7P6LXuST+AwvilMUC02nVwgGb8qYoEbo1og6ZBw0GDy0mblVOgN20n2JRBvFXU7z zJ2MQeYhNPJEJaRzYvcTl9J4ve5TWNL8fu7WiqLYHGNR7u/0gJxc5lxiadzoooHEmLeO wpSyRNnGeB2SzNzR+BRHBHoJ76Zz0+1c0rdk1I/Cj6+9KLU30O2cs4QPDtKc1Htxci0G CAb6DMY6CTH6IIL8F5S8ILlwaEADqklL8WcKBDWtN2qsQo7DX2leqABxERCRvmWLrlA6 ofQQ== X-Gm-Message-State: APjAAAWMJcTj3YDE/qEH7+t58YDxhXYcgx3iK7ivPFEMpMESCNCkONIb vLtdQ6Yl29SoegR92PQZQLQYG1CwR9E= X-Google-Smtp-Source: APXvYqxYzmsGaFSB39ayd8WzgFtEPPl+dC9x3sZAa5SNvq97lg3USYySCdmztjWnFX29FVuTV+y6fg== X-Received: by 2002:adf:ef07:: with SMTP id e7mr5138489wro.104.1581086028929; Fri, 07 Feb 2020 06:33:48 -0800 (PST) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 03/48] target/arm: Enable HCR_E2H for VHE Date: Fri, 7 Feb 2020 14:32:58 +0000 Message-Id: <20200207143343.30322-4-peter.maydell@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200207143343.30322-1-peter.maydell@linaro.org> References: <20200207143343.30322-1-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a00:1450:4864:20::432 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) From: Richard Henderson Tested-by: Alex Benn=C3=A9e Reviewed-by: Alex Benn=C3=A9e Signed-off-by: Richard Henderson Message-id: 20200206105448.4726-3-richard.henderson@linaro.org Signed-off-by: Peter Maydell --- target/arm/cpu.h | 7 ------- target/arm/helper.c | 6 +++++- 2 files changed, 5 insertions(+), 8 deletions(-) diff --git a/target/arm/cpu.h b/target/arm/cpu.h index 2a53f5d09be..0e68704a908 100644 --- a/target/arm/cpu.h +++ b/target/arm/cpu.h @@ -1424,13 +1424,6 @@ static inline void xpsr_write(CPUARMState *env, uint= 32_t val, uint32_t mask) #define HCR_ATA (1ULL << 56) #define HCR_DCT (1ULL << 57) =20 -/* - * When we actually implement ARMv8.1-VHE we should add HCR_E2H to - * HCR_MASK and then clear it again if the feature bit is not set in - * hcr_write(). - */ -#define HCR_MASK ((1ULL << 34) - 1) - #define SCR_NS (1U << 0) #define SCR_IRQ (1U << 1) #define SCR_FIQ (1U << 2) diff --git a/target/arm/helper.c b/target/arm/helper.c index 19a57a17da5..f5ce05fdf33 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -4721,7 +4721,8 @@ static const ARMCPRegInfo el3_no_el2_v8_cp_reginfo[] = =3D { static void hcr_write(CPUARMState *env, const ARMCPRegInfo *ri, uint64_t v= alue) { ARMCPU *cpu =3D env_archcpu(env); - uint64_t valid_mask =3D HCR_MASK; + /* Begin with bits defined in base ARMv8.0. */ + uint64_t valid_mask =3D MAKE_64BIT_MASK(0, 34); =20 if (arm_feature(env, ARM_FEATURE_EL3)) { valid_mask &=3D ~HCR_HCD; @@ -4735,6 +4736,9 @@ static void hcr_write(CPUARMState *env, const ARMCPRe= gInfo *ri, uint64_t value) */ valid_mask &=3D ~HCR_TSC; } + if (cpu_isar_feature(aa64_vh, cpu)) { + valid_mask |=3D HCR_E2H; + } if (cpu_isar_feature(aa64_lor, cpu)) { valid_mask |=3D HCR_TLOR; } --=20 2.20.1