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=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 EFB64C388F3 for ; Mon, 30 Sep 2019 22:28:26 +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 C6D2F2081B for ; Mon, 30 Sep 2019 22:28:26 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C6D2F2081B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.microsoft.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:57862 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iF49Z-0003n3-VF for qemu-devel@archiver.kernel.org; Mon, 30 Sep 2019 18:28:25 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:60761) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iF48p-0003F8-0G for qemu-devel@nongnu.org; Mon, 30 Sep 2019 18:27:39 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iF48n-0003F3-0n for qemu-devel@nongnu.org; Mon, 30 Sep 2019 18:27:37 -0400 Received: from linux.microsoft.com ([13.77.154.182]:60084) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1iF48j-0003DO-LE; Mon, 30 Sep 2019 18:27:33 -0400 Received: from [10.200.157.26] (unknown [131.107.147.154]) by linux.microsoft.com (Postfix) with ESMTPSA id 17FA82010688; Mon, 30 Sep 2019 15:27:32 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 17FA82010688 Subject: Re: Is kexec supported in QEMU for ARM64 (qemu-system-aarch64) with arm-trusted-firmware, optee, and u-boot. To: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= , qemu-arm , James Bottomley , qemu-devel@nongnu.org, Ard Biesheuvel References: <21633062-b021-a8e7-0cc8-062f4c29dde5@linux.microsoft.com> <65b49cb0-c9fb-d966-8dec-1e39d09ab8c7@redhat.com> From: Lakshmi Ramasubramanian Message-ID: <88878b22-803f-41fc-9df2-2c6eb551b98d@linux.microsoft.com> Date: Mon, 30 Sep 2019 15:27:25 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <65b49cb0-c9fb-d966-8dec-1e39d09ab8c7@redhat.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 13.77.154.182 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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 9/27/19 2:15 AM, Philippe Mathieu-Daud=C3=A9 wrote: > Cc'ing Ard too >> >> https://salsa.debian.org/debian/atf-allwinner/commit/b6b671c4ac4bd5595= 306863225bb3bece1e6135c >> >> >> Current limitations: >> * Only cold boot is supported >> * No build instructions for QEMU_EFI.fd and rootfs-arm64.cpio.gz >> * No instructions for how to load a BL32 (Secure Payload) >> >> So looks like only cold boot is supported (no kexec support) >> Is this correct? Just wanted to check again - Does ATF and QEMU (for ARM64) support cold boot only and does not have=20 support for kexec? thanks, -lakshmi