From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59821) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Wn9fd-000448-F4 for qemu-devel@nongnu.org; Wed, 21 May 2014 12:47:22 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Wn9fU-0000y7-Dp for qemu-devel@nongnu.org; Wed, 21 May 2014 12:47:13 -0400 Received: from mail-la0-x231.google.com ([2a00:1450:4010:c03::231]:39294) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Wn9fU-0000xt-68 for qemu-devel@nongnu.org; Wed, 21 May 2014 12:47:04 -0400 Received: by mail-la0-f49.google.com with SMTP id pv20so1788048lab.36 for ; Wed, 21 May 2014 09:47:03 -0700 (PDT) Message-ID: <537CD885.8000106@gmail.com> Date: Wed, 21 May 2014 20:47:01 +0400 From: Sergey Fedorov MIME-Version: 1.0 References: <1399997768-32014-1-git-send-email-aggelerf@ethz.ch> <1399997768-32014-2-git-send-email-aggelerf@ethz.ch> <537CD0E3.2090006@codeaurora.org> <537CD559.80203@gmail.com> In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH v2 01/23] target-arm: add new CPU feature for Security Extensions List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Peter Maydell Cc: QEMU Developers , Fabian Aggeler , "Edgar E. Iglesias" , Christopher Covington , Svetlana Fedoseeva On 21.05.2014 20:41, Peter Maydell wrote: > If we want to have -kernel boot in NS then yes, the bootloader > stub is the place that code should go. > > The difficulty with -kernel being NS is that some guest kernels > for some boards may be assuming that they will run in secure state > and can directly access h/w or registers which aren't accessible > from NS. I guess we need to implement it and then see if any of our > guest images stop working... Then maybe we can extend arm_boot_info structure to deal with this. Regards, Sergey Fedorov.