From patchwork Mon Feb 15 17:22:53 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Maydell X-Patchwork-Id: 8317121 Return-Path: X-Original-To: patchwork-qemu-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 814DB9F6E4 for ; Mon, 15 Feb 2016 17:23:33 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id ECF8E2039E for ; Mon, 15 Feb 2016 17:23:32 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2AF1C2039C for ; Mon, 15 Feb 2016 17:23:32 +0000 (UTC) Received: from localhost ([::1]:34521 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aVMrz-0000nK-Eo for patchwork-qemu-devel@patchwork.kernel.org; Mon, 15 Feb 2016 12:23:31 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:57202) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aVMrd-0000aR-NR for qemu-devel@nongnu.org; Mon, 15 Feb 2016 12:23:10 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aVMrc-0007pX-PK for qemu-devel@nongnu.org; Mon, 15 Feb 2016 12:23:09 -0500 Received: from mnementh.archaic.org.uk ([2001:8b0:1d0::1]:57358) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aVMrc-0007mW-Iq; Mon, 15 Feb 2016 12:23:08 -0500 Received: from pm215 by mnementh.archaic.org.uk with local (Exim 4.84) (envelope-from ) id 1aVMrS-0000xl-4Z; Mon, 15 Feb 2016 17:22:58 +0000 From: Peter Maydell To: qemu-devel@nongnu.org Date: Mon, 15 Feb 2016 17:22:53 +0000 Message-Id: <1455556977-3644-8-git-send-email-peter.maydell@linaro.org> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1455556977-3644-1-git-send-email-peter.maydell@linaro.org> References: <1455556977-3644-1-git-send-email-peter.maydell@linaro.org> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:8b0:1d0::1 Cc: "Edgar E. Iglesias" , Sergey Fedorov , qemu-arm@nongnu.org, patches@linaro.org Subject: [Qemu-devel] [PATCH 07/11] target-arm: Add Hyp mode checks to bad_mode_switch() X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP We don't actually support Hyp mode yet, but add the correct checks for it to the bad_mode_switch() function for completeness. Signed-off-by: Peter Maydell Reviewed-by: Sergey Fedorov --- target-arm/helper.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/target-arm/helper.c b/target-arm/helper.c index 37b5439..4074b97 100644 --- a/target-arm/helper.c +++ b/target-arm/helper.c @@ -5184,6 +5184,9 @@ static int bad_mode_switch(CPUARMState *env, int mode) * allows FIQ mode to be Secure-only. (In v8 this doesn't exist.) */ return 0; + case ARM_CPU_MODE_HYP: + return !arm_feature(env, ARM_FEATURE_EL2) + || arm_current_el(env) < 2 || arm_is_secure(env); case ARM_CPU_MODE_MON: return !arm_is_secure(env); default: