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 X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A6E00C4346E for ; Tue, 29 Sep 2020 10:27:05 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id E792C2076A for ; Tue, 29 Sep 2020 10:27:04 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E792C2076A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bugs.launchpad.net Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:39274 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kNCqd-0005AB-Nw for qemu-devel@archiver.kernel.org; Tue, 29 Sep 2020 06:27:03 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:47818) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kNCpQ-0004QK-8z for qemu-devel@nongnu.org; Tue, 29 Sep 2020 06:25:49 -0400 Received: from indium.canonical.com ([91.189.90.7]:36864) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kNCpN-0005bO-LT for qemu-devel@nongnu.org; Tue, 29 Sep 2020 06:25:47 -0400 Received: from loganberry.canonical.com ([91.189.90.37]) by indium.canonical.com with esmtp (Exim 4.86_2 #2 (Debian)) id 1kNCpJ-0006LX-7p for ; Tue, 29 Sep 2020 10:25:41 +0000 Received: from loganberry.canonical.com (localhost [127.0.0.1]) by loganberry.canonical.com (Postfix) with ESMTP id 147A12E80E9 for ; Tue, 29 Sep 2020 10:25:41 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Date: Tue, 29 Sep 2020 10:10:39 -0000 From: Changho Choi <1897680@bugs.launchpad.net> To: qemu-devel@nongnu.org X-Launchpad-Notification-Type: bug X-Launchpad-Bug: product=qemu; status=New; importance=Undecided; assignee=None; X-Launchpad-Bug-Information-Type: Public X-Launchpad-Bug-Private: no X-Launchpad-Bug-Security-Vulnerability: no X-Launchpad-Bug-Commenters: philmd pmaydell zpzigi X-Launchpad-Bug-Reporter: Changho Choi (zpzigi) X-Launchpad-Bug-Modifier: Changho Choi (zpzigi) References: <160136265426.22784.9778102281742505477.malonedeb@gac.canonical.com> <160137117306.23397.9822576099583034440.malone@gac.canonical.com> Message-Id: Subject: Re: [Bug 1897680] Re: memory address over 0x2000_7ffc is not accessible in mps2-an505 X-Launchpad-Message-Rationale: Subscriber (QEMU) @qemu-devel-ml X-Launchpad-Message-For: qemu-devel-ml Precedence: bulk X-Generated-By: Launchpad (canonical.com); Revision="d685c0a40836eb9844ed835c9700f20633c1d7af"; Instance="production" X-Launchpad-Hash: 60b835ad203c2873347c5bab611eb4a182eaab24 Received-SPF: none client-ip=91.189.90.7; envelope-from=bounces@canonical.com; helo=indium.canonical.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/29 03:05:36 X-ACL-Warn: Detected OS = Linux 3.11 and newer [fuzzy] X-Spam_score_int: -66 X-Spam_score: -6.7 X-Spam_bar: ------ X-Spam_report: (-6.7 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.199, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Bug 1897680 <1897680@bugs.launchpad.net> Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Thank you for all your kind answers and suggestions. I also have confirmed that the memory address over 0x2000_8000 is not accessible in the real board. Regards, Changho Choi 2020=EB=85=84 9=EC=9B=94 29=EC=9D=BC (=ED=99=94) =EC=98=A4=ED=9B=84 6:25, P= eter Maydell <1897680@bugs.launchpad.net>=EB=8B=98=EC=9D=B4 =EC=9E=91=EC=84=B1: > (If you were just interested in having a large area of contiguous RAM, > the "PSRAM" is the largest lump on this board: it's 16MB starting at > 0x8000_0000.) > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/1897680 > > Title: > memory address over 0x2000_7ffc is not accessible in mps2-an505 > > Status in QEMU: > New > > Bug description: > I currently run qemu with the following options > `qemu-system-aarch64 -machine mps2-an505 -cpu cortex-m33 -m 16` > > For some reason, memory address over 0x2000_7ffc is not accessible. > It can be tested in gdb as follow. > > (gdb) x/x 0x20007ffc > 0x20007ffc: 0x00000000 > (gdb) x/x 0x20007ffd > 0x20007ffd: Cannot access memory at address 0x20007ffd > (gdb) x/x 0x20008000 > 0x20008000: Cannot access memory at address 0x20008000 > > To manage notifications about this bug go to: > https://bugs.launchpad.net/qemu/+bug/1897680/+subscriptions > -- = You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1897680 Title: memory address over 0x2000_7ffc is not accessible in mps2-an505 Status in QEMU: New Bug description: I currently run qemu with the following options `qemu-system-aarch64 -machine mps2-an505 -cpu cortex-m33 -m 16` For some reason, memory address over 0x2000_7ffc is not accessible. It can be tested in gdb as follow. (gdb) x/x 0x20007ffc 0x20007ffc: 0x00000000 (gdb) x/x 0x20007ffd 0x20007ffd: Cannot access memory at address 0x20007ffd (gdb) x/x 0x20008000 0x20008000: Cannot access memory at address 0x20008000 To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1897680/+subscriptions