From patchwork Mon Sep 14 13:53:08 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Maydell X-Patchwork-Id: 517419 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 1EC4D1400CB for ; Mon, 14 Sep 2015 23:58:18 +1000 (AEST) Received: from localhost ([::1]:41017 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZbUGu-0004Nv-8a for incoming@patchwork.ozlabs.org; Mon, 14 Sep 2015 09:58:16 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:54631) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZbUC8-0004bX-CF for qemu-devel@nongnu.org; Mon, 14 Sep 2015 09:53:21 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZbUC7-0000Af-EO for qemu-devel@nongnu.org; Mon, 14 Sep 2015 09:53:20 -0400 Received: from mnementh.archaic.org.uk ([2001:8b0:1d0::1]:35073) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZbUC7-00005c-7j for qemu-devel@nongnu.org; Mon, 14 Sep 2015 09:53:19 -0400 Received: from pm215 by mnementh.archaic.org.uk with local (Exim 4.80) (envelope-from ) id 1ZbUC0-0007u8-DS for qemu-devel@nongnu.org; Mon, 14 Sep 2015 14:53:12 +0100 From: Peter Maydell To: qemu-devel@nongnu.org Date: Mon, 14 Sep 2015 14:53:08 +0100 Message-Id: <1442238791-30255-22-git-send-email-peter.maydell@linaro.org> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1442238791-30255-1-git-send-email-peter.maydell@linaro.org> References: <1442238791-30255-1-git-send-email-peter.maydell@linaro.org> X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2001:8b0:1d0::1 Subject: [Qemu-devel] [PULL 21/24] target-arm: Suppress EPD for S2, EL2 and EL3 translations 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: "Edgar E. Iglesias" Stage-2 translations, EL2 and EL3 regimes don't have the EPD control. Signed-off-by: Edgar E. Iglesias Message-id: 1442135278-25281-6-git-send-email-edgar.iglesias@gmail.com Reviewed-by: Peter Maydell Signed-off-by: Peter Maydell --- target-arm/helper.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/target-arm/helper.c b/target-arm/helper.c index 200b9f2..478347b 100644 --- a/target-arm/helper.c +++ b/target-arm/helper.c @@ -6344,7 +6344,7 @@ static bool get_phys_addr_lpae(CPUARMState *env, target_ulong address, /* Read an LPAE long-descriptor translation table. */ MMUFaultType fault_type = translation_fault; uint32_t level = 1; - uint32_t epd; + uint32_t epd = 0; int32_t tsz; uint32_t tg; uint64_t ttbr; @@ -6438,7 +6438,9 @@ static bool get_phys_addr_lpae(CPUARMState *env, target_ulong address, */ if (ttbr_select == 0) { ttbr = regime_ttbr(env, mmu_idx, 0); - epd = extract32(tcr->raw_tcr, 7, 1); + if (el < 2) { + epd = extract32(tcr->raw_tcr, 7, 1); + } tsz = t0sz; tg = extract32(tcr->raw_tcr, 14, 2);