From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 69D94C433FE for ; Thu, 10 Feb 2022 04:09:18 +0000 (UTC) Received: from localhost ([::1]:48610 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nI0lh-00070v-Gw for qemu-devel@archiver.kernel.org; Wed, 09 Feb 2022 23:09:17 -0500 Received: from eggs.gnu.org ([209.51.188.92]:53986) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nI0hG-0003uh-Dt for qemu-devel@nongnu.org; Wed, 09 Feb 2022 23:04:42 -0500 Received: from [2607:f8b0:4864:20::62b] (port=38778 helo=mail-pl1-x62b.google.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nI0hE-00046X-CK for qemu-devel@nongnu.org; Wed, 09 Feb 2022 23:04:42 -0500 Received: by mail-pl1-x62b.google.com with SMTP id c3so747323pls.5 for ; Wed, 09 Feb 2022 20:04:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=6GEKuSQX+CG8gt0Gp9cWbbYI/Mw1WHwT/DCHRQdQ0Wo=; b=C0+Zc979DKm0HtHVIYzphg2iahc5MEGH3giJcDjotVxWiX9WGysmtfpqykIAhJDNqL C6By6zaYx2M5lThzs4F9vLKkudL+HbEvbJB1cZ71+xPRacDan+RLcksfYKa3wkk/T2NF bN3wtfc7hgQtYW19Hea2WUF5y3wEYztDsrZnYHD4zxnqq7FUU4OfK0HBCNCZR2sbqnyf xos1qUn2DKUmsjRenneyiOO4CGbbd/cQhmtnv9os6quloGLDsrZ+8xkIvzmHXCOXAtTB tLcYfP/7TB4ItpRyh0FB6Bf7hRJFqR0On5ZLHIq+Fob8y+m/VNlxw7FParuRUi9JpOhF BdKQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=6GEKuSQX+CG8gt0Gp9cWbbYI/Mw1WHwT/DCHRQdQ0Wo=; b=JKqYW8Bsfb5tV87JtrfRTBBsKCAE4QQoJ6Udns7VGcBrjtNBRNqN1j4C4OwM1Mozkf U/FJxkoZmSbRltY5X3dSwui/lJh3Tt45MWFiNfwbzJs90SfUYQsLvyIzdWlA8XtJQYua vKQk2Ufe2iaTFM6jVT48w6utlL5ZpsmY90NdmRFZNmlOTf5MN7BhqoZdqqVDc7PoDarH epCD1q5T6L8okMn8/yoArlEJgQniaDuvS3A8d/M5LMsP1dtsNl7t3cf8/5VCEnDHWmKY z+X+AmUlUCxhnBAcRM7spyN5AvJiX/5uDtGVFxEEO4/8Rq82NFvMGk330ylnGl0u7gvn 0dlg== X-Gm-Message-State: AOAM533qknUkEKsw6C0A0mGeUvlU7v9Cl1x5TMZ0TUHKzqbkrADVApZS VbsHymgVNAx0bGpE3v8hPCddkfxTpvr4g4QP X-Google-Smtp-Source: ABdhPJzVGqBtuSreWgvu904LP4dfn2quNXp3d0Crw2xoyeoJqgE+Gt5mBZmpNSXHpgtwlv+9+JrciA== X-Received: by 2002:a17:902:ccc2:: with SMTP id z2mr5498369ple.145.1644465878436; Wed, 09 Feb 2022 20:04:38 -0800 (PST) Received: from localhost.localdomain ([124.189.222.164]) by smtp.gmail.com with ESMTPSA id y4sm9749814pgp.5.2022.02.09.20.04.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 09 Feb 2022 20:04:38 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 02/15] target/arm: Set TCR_EL1.TSZ for user-only Date: Thu, 10 Feb 2022 15:04:10 +1100 Message-Id: <20220210040423.95120-3-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220210040423.95120-1-richard.henderson@linaro.org> References: <20220210040423.95120-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Host-Lookup-Failed: Reverse DNS lookup failed for 2607:f8b0:4864:20::62b (failed) Received-SPF: pass client-ip=2607:f8b0:4864:20::62b; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62b.google.com X-Spam_score_int: -12 X-Spam_score: -1.3 X-Spam_bar: - X-Spam_report: (-1.3 / 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, PDS_HP_HELO_NORDNS=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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: , Cc: peter.maydell@linaro.org, qemu-arm@nongnu.org, alex.bennee@linaro.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Set this as the kernel would, to 48 bits, to keep the computation of the address space correct for PAuth. Signed-off-by: Richard Henderson --- target/arm/cpu.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/target/arm/cpu.c b/target/arm/cpu.c index 5a9c02a256..92f19f919a 100644 --- a/target/arm/cpu.c +++ b/target/arm/cpu.c @@ -206,10 +206,11 @@ static void arm_cpu_reset(DeviceState *dev) aarch64_sve_zcr_get_valid_len(cpu, cpu->sve_default_vq - 1); } /* + * Enable 48-bit address space (TODO: take reserved_va into account). * Enable TBI0 but not TBI1. * Note that this must match useronly_clean_ptr. */ - env->cp15.tcr_el[1].raw_tcr = (1ULL << 37); + env->cp15.tcr_el[1].raw_tcr = 5 | (1ULL << 37); /* Enable MTE */ if (cpu_isar_feature(aa64_mte, cpu)) { -- 2.25.1