From patchwork Fri Jun 20 17:27:43 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= X-Patchwork-Id: 898385 Delivered-To: patch@linaro.org Received: by 2002:a5d:5f54:0:b0:3a4:ee3f:8f15 with SMTP id cm20csp1561291wrb; Fri, 20 Jun 2025 15:23:03 -0700 (PDT) X-Forwarded-Encrypted: i=2; AJvYcCXSiWbr8fLZnHHNvrRCf/+IWUhaiYTOD5eb+1YPUZls4uFVy4HTjqYfpq12+S3WCmdH2PO6iw==@linaro.org X-Google-Smtp-Source: AGHT+IFXOg8pJanxFOyRixRFwcPKaXZ9EaBkGzjqA+kDDxBt+xyXrR958hv43Wp00hfZJPxdryNl X-Received: by 2002:a05:6214:54c5:b0:6fa:fbb4:6404 with SMTP id 6a1803df08f44-6fd0a469c49mr84656736d6.5.1750458183563; Fri, 20 Jun 2025 15:23:03 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1750458183; cv=none; d=google.com; s=arc-20240605; b=VrR3uXtG4lLiFwkvb82vosjhrE45cbBE6zPsrVlWwCM3WgLI2GWJtZ83ozGa1N6Pty E2/uanN7/GFNfFX4fzsywreOfyYVZNDISGc9551gG2POkwVv9uGOEeNJTfb4MPsjvv7i 3r8WLLc3zt4qAMh4pcHPBSukjM7mZwtb81iewB07APKrUGyLRU62XwjpHaUghnfpFls8 yIiUsxCIvxv/MkJwxJo/BKXYm6HcW8vgXu76GA2fNVXQPY43fq87mhvKlojax5HGE3Ew UPIeT2/oNYQfsWSWZfp0TfkR1t2XAWc92Lk59L59Xv36blMJWMWbqGdNTKmKE5Bh9aft kQRw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20240605; h=sender:errors-to:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:content-transfer-encoding :mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:dkim-signature; bh=nnZlnXRKjQXrkBDjQnf8kGFKGjqvBQ012k4MaDR8GT8=; fh=AyzBWpdZKvTUKIe2KsNBcRb7uNXo8uS2i+VtImaSwe4=; b=Ars0wgmymoGEEWDk09Qs4kZhSFLOYbkY8+K2pcRLEchYAEORdVtoqr6X6ToOQSI49o D+ZghZSi30lgJr3JYd0M3sY1TowNh6g9rwPUpkjGfVWSZq1CB4qyk1aAqoCJHGuYRZR1 O98LpIthb2xtFX1Fwl3wfhTmgQRbGbHhv+CK4g2qzBX9pXY/QoCiIsiydIBg/yk/AYJK KPZa+0P8irUjCCaetXgxj3wwkDaZY8uAs8w3uV2TIYDJqRm6PvkdkSk2DqVpzGGjCwvM FL/+gtkQvYzQ+svzkTyvvUbNh07aIFlE0BhFNjO67uYMD3k0BAzapef/SCUIT5URrPQi u/Jw==; dara=google.com ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=lg+4Qrrp; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org; dara=neutral header.i=@linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org. [209.51.188.17]) by mx.google.com with ESMTPS id 6a1803df08f44-6fd093e1353si31319386d6.85.2025.06.20.15.23.03 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Fri, 20 Jun 2025 15:23:03 -0700 (PDT) Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=lg+4Qrrp; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org; dara=neutral header.i=@linaro.org Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uSk7G-0006dZ-J1; Fri, 20 Jun 2025 18:21:48 -0400 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 1uSfbt-000817-2F for qemu-devel@nongnu.org; Fri, 20 Jun 2025 13:33:05 -0400 Received: from mail-wr1-x431.google.com ([2a00:1450:4864:20::431]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1uSfbp-0006dd-4p for qemu-devel@nongnu.org; Fri, 20 Jun 2025 13:33:04 -0400 Received: by mail-wr1-x431.google.com with SMTP id ffacd0b85a97d-3a4fb9c2436so1091983f8f.1 for ; Fri, 20 Jun 2025 10:32:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1750440776; x=1751045576; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=nnZlnXRKjQXrkBDjQnf8kGFKGjqvBQ012k4MaDR8GT8=; b=lg+4QrrpQ91I6Zty8HawsJMp/ypLhenNaOn3cTvmyUqP7g0HQAVM6tfund5xzitAaV Se2q2aAQ8u/L09vztaJLXhn0YkS8LtCpS+Qxr19hKUOD8XoicBfYfaUvExYmYWmyAp7F OLvB/aN7MJkujLFNmVzRJk8n6UyByAnMK//Xr9h5yySteiEBromHS5JiwSM9C3G85hs/ pEmgkWb4ZnBJ60nlTkD9l/J602hnU709GQs2fl/dxp6jIWByzIOmHoXVNicD+Lp3Ix32 s0Df98SP+BO44/WCTzLGvWvmfLBe9hFmBXDWFJiZ2t5y1ijmwnT/Arizd6oIezbfX674 76Dw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1750440776; x=1751045576; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=nnZlnXRKjQXrkBDjQnf8kGFKGjqvBQ012k4MaDR8GT8=; b=qI6XawDtOd+cyPreu30cSQwKqs/c1G75ifiNkhoLJ7cOa2rbfTHIh5VXl73lExjyne szMj9RbNBlGIBDGVUJh6tD2lyrcAGSE+C+1uYPOZLwNWzhWl0c1RjHnZ9DfoQjPDNJPe pX8WEmQxCGy31PgC38wjgF0NJwEHVgWNFSKNlcaJhjJ/Sx1pNyDnHGosJCJMXlgYy8xY nfxxn6L4jDbQHaDUjRUBMtfspqAds86ul2TzLhBo1LbP69T4FXlhUuaI/JP1EImADnsP vwr9aTSv71MlNV/Guk1Xt1+xXggyCgW77RysIFr/JdJcmguCwMpw6k/PLEHOFOyF0LqO uR/A== X-Gm-Message-State: AOJu0YzsXa39kEm/2h1+mZ8HO3UCpg0YJ87fS9pU4OGL01jKSjcW/pAa evxx7Xozwq+EMUvE6eZdZH9nK3d4UqMgyoH0Xnyyl73noJBQZ+Xw6kKpzAi8wHnHDExpZZA8x52 +2+kEPAcbEg== X-Gm-Gg: ASbGncsMIw0lARTaupIKiHQFvBU6FvSlemv7gjtZWlhMIgyBhCgmQRzAGa8lqTwYwvW VQ41mB26CIeSJexAq5pWuc3ElwMa8iU1mI44Y14SYp8KZx39ikO6xJAGbCBt5kPQqi/7H90sixN aK8q7hmUq1QJrQquxrp1DKyen8unc4d9pvsuc2T5Cen/1hceZy0+iI1nT81s6/G27YHezBl7NKN oklxNYcB7odip7E1khNHrUriW2moDgco/efnd3ELDjokLsnMW02VkI308D3V05LdRkmTh42XyN5 A9C7Jmn7YdIxo9sZ0lnlvEM/Xlz6Hsd2M0DB0eCRo2U0li5P85iKTISb40IQa4M9ozyYtWYCuTf gONmScRuPcrS0BKmaAAxNfjCqYZv2ew9idxsBoJaPqBGYFkZNUDVMaal5 X-Received: by 2002:a05:6000:4284:b0:3a5:2f23:376f with SMTP id ffacd0b85a97d-3a6d129de4cmr3512634f8f.13.1750440776403; Fri, 20 Jun 2025 10:32:56 -0700 (PDT) Received: from localhost.localdomain (101.red-95-127-63.dynamicip.rima-tde.net. [95.127.63.101]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3a6d1188017sm2642772f8f.75.2025.06.20.10.32.53 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Fri, 20 Jun 2025 10:32:55 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Alexander Graf , =?utf-8?q?Alex_Benn=C3=A9e?= , Richard Henderson , Paolo Bonzini , Peter Maydell , Julian Armistead , Cameron Esfahani , Mark Burton , Thomas Huth , "Edgar E. Iglesias" , Pierrick Bouvier , =?utf-8?q?Philippe_Mathieu-?= =?utf-8?q?Daud=C3=A9?= Subject: [RFC PATCH RESEND 35/42] target/arm: Emulate EL2 under TCG Date: Fri, 20 Jun 2025 19:27:43 +0200 Message-ID: <20250620172751.94231-36-philmd@linaro.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250620172751.94231-1-philmd@linaro.org> References: <20250620172751.94231-1-philmd@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::431; envelope-from=philmd@linaro.org; helo=mail-wr1-x431.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=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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org When using hardware acceleration and TCG is available, expose EL2 and EL3 features as available (they will be emulated). Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Richard Henderson --- target/arm/cpu64.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c index 200da1c489b..b5c2796f3a1 100644 --- a/target/arm/cpu64.c +++ b/target/arm/cpu64.c @@ -738,20 +738,23 @@ static void aarch64_a53_initfn(Object *obj) static void aarch64_host_initfn(Object *obj) { -#if defined(CONFIG_KVM) ARMCPU *cpu = ARM_CPU(obj); +#if defined(CONFIG_KVM) kvm_arm_set_cpu_features_from_host(cpu); if (arm_feature(&cpu->env, ARM_FEATURE_AARCH64)) { aarch64_add_sve_properties(obj); aarch64_add_pauth_properties(obj); } #elif defined(CONFIG_HVF) - ARMCPU *cpu = ARM_CPU(obj); hvf_arm_set_cpu_features_from_host(cpu); aarch64_add_pauth_properties(obj); #else g_assert_not_reached(); #endif + if (tcg_enabled()) { + set_feature(&cpu->env, ARM_FEATURE_EL2); + set_feature(&cpu->env, ARM_FEATURE_EL3); + } } static void aarch64_max_initfn(Object *obj)