From nobody Mon Feb 9 09:23:04 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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 ARC-Seal: i=1; a=rsa-sha256; t=1608288623; cv=none; d=zohomail.com; s=zohoarc; b=Ajiex4Qg2GhOPYDJ1OV2E45i3UynW49Rbi2Z7p7WTy1kFgI/z0+DIvQ4342bCtFyEd9xBsPn/ywm4TorZUleTPF/d0Ti0osTuUTD4KV72Mx58bmsp4doXTulArz4mh3AKTmSVlOcwi1nKfvPs7FtgjdwHH/8W1NJBKeWPNaEGUo= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1608288623; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=JHknvnDR0kSzGQtG5Tjash3RMqcN5Illov61Tcq4U9U=; b=Pg9Cbc6wmfLNPoO2gP067s2fHbAV9bVF/GsdQL+Xdknn3U/SqMWsf2bGq6uDVAq4wrDrvX8dYGMKKln7TFy9aRjusEgM62/1wZTCsEL45a/6JqLyLUwemdHz6qCTuQVcTk+ydFz6wVdP3Mr5pPxcVpnqKYDPNS9GQmheTqxvksU= ARC-Authentication-Results: i=1; mx.zohomail.com; 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 Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1608288623612979.4688243464091; Fri, 18 Dec 2020 02:50:23 -0800 (PST) Received: from localhost ([::1]:42146 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kqDL4-0004ab-A1 for importer@patchew.org; Fri, 18 Dec 2020 05:50:22 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:46854) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kqD9Y-00071I-4A; Fri, 18 Dec 2020 05:38:28 -0500 Received: from poy.remlab.net ([2001:41d0:2:5a1a::]:55296 helo=ns207790.ip-94-23-215.eu) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kqD9W-0003Ks-HD; Fri, 18 Dec 2020 05:38:27 -0500 Received: from basile.remlab.net (ip6-localhost [IPv6:::1]) by ns207790.ip-94-23-215.eu (Postfix) with ESMTP id 920D25FD51; Fri, 18 Dec 2020 11:38:02 +0100 (CET) From: remi.denis.courmont@huawei.com To: qemu-arm@nongnu.org Subject: [PATCH 11/18] target/arm: do S1_ptw_translate() before address space lookup Date: Fri, 18 Dec 2020 12:37:52 +0200 Message-Id: <20201218103759.19929-11-remi.denis.courmont@huawei.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <3337797.iIbC2pHGDl@basile.remlab.net> References: <3337797.iIbC2pHGDl@basile.remlab.net> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable 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; Received-SPF: pass client-ip=2001:41d0:2:5a1a::; envelope-from=remi@remlab.net; helo=ns207790.ip-94-23-215.eu X-Spam_score_int: -15 X-Spam_score: -1.6 X-Spam_bar: - X-Spam_report: (-1.6 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.25, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action 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: , Cc: qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" From: R=C3=A9mi Denis-Courmont In the secure stage 2 translation regime, the VSTCR.SW and VTCR.NSW bits can invert the secure flag for pagetable walks. This patchset allows S1_ptw_translate() to change the non-secure bit. Signed-off-by: R=C3=A9mi Denis-Courmont Reviewed-by: Richard Henderson --- target/arm/helper.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/target/arm/helper.c b/target/arm/helper.c index 649c9237ce..4b6ffcd326 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -10396,7 +10396,7 @@ static bool get_level1_table_address(CPUARMState *e= nv, ARMMMUIdx mmu_idx, =20 /* Translate a S1 pagetable walk through S2 if needed. */ static hwaddr S1_ptw_translate(CPUARMState *env, ARMMMUIdx mmu_idx, - hwaddr addr, MemTxAttrs txattrs, + hwaddr addr, bool *is_secure, ARMMMUFaultInfo *fi) { if (arm_mmu_idx_is_stage1_of_2(mmu_idx) && @@ -10406,6 +10406,9 @@ static hwaddr S1_ptw_translate(CPUARMState *env, AR= MMMUIdx mmu_idx, int s2prot; int ret; ARMCacheAttrs cacheattrs =3D {}; + MemTxAttrs txattrs =3D {}; + + assert(!*is_secure); /* TODO: S-EL2 */ =20 ret =3D get_phys_addr_lpae(env, addr, MMU_DATA_LOAD, ARMMMUIdx_Sta= ge2, false, @@ -10446,9 +10449,9 @@ static uint32_t arm_ldl_ptw(CPUState *cs, hwaddr ad= dr, bool is_secure, AddressSpace *as; uint32_t data; =20 + addr =3D S1_ptw_translate(env, mmu_idx, addr, &is_secure, fi); attrs.secure =3D is_secure; as =3D arm_addressspace(cs, attrs); - addr =3D S1_ptw_translate(env, mmu_idx, addr, attrs, fi); if (fi->s1ptw) { return 0; } @@ -10475,9 +10478,9 @@ static uint64_t arm_ldq_ptw(CPUState *cs, hwaddr ad= dr, bool is_secure, AddressSpace *as; uint64_t data; =20 + addr =3D S1_ptw_translate(env, mmu_idx, addr, &is_secure, fi); attrs.secure =3D is_secure; as =3D arm_addressspace(cs, attrs); - addr =3D S1_ptw_translate(env, mmu_idx, addr, attrs, fi); if (fi->s1ptw) { return 0; } --=20 2.29.2