From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: Re: 32-bit ARM guest on 64-bit ARM Xen Date: Fri, 1 May 2015 13:55:13 +0100 Message-ID: <554377B1.6040008@citrix.com> References: <553FDC2B.1050306@dornerworks.com> <553FEA2F.6050306@citrix.com> <55410519.4020009@dornerworks.com> <1430484502.15640.25.camel@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1YoATq-0003vD-Ts for xen-devel@lists.xenproject.org; Fri, 01 May 2015 12:55:47 +0000 In-Reply-To: <1430484502.15640.25.camel@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Ian Campbell , Robert VanVossen Cc: Julien Grall , xen-devel@lists.xenproject.org List-Id: xen-devel@lists.xenproject.org Hi, On 01/05/15 13:48, Ian Campbell wrote: > On Wed, 2015-04-29 at 12:21 -0400, Robert VanVossen wrote: >> This yields xen/xen/arch/arm/domain.c:208 which has the following line: >> >> WRITE_SYSREG32(n->arch.teecr, TEECR32_EL1); > > This is in a "if ( is_32bit_domain(p->domain) && cpu_has_thumbee )" > condition, so if it isn't a 32-bit model issue it might be a ThumbEE > one? Robert, can you confirm that you aren't using the QEMU models for Xilinx ZynqMP? If not, based on Edgar's mail [1] I think it's not a bug in Xen. Regards, [1] http://lists.xen.org/archives/html/xen-devel/2015-04/msg03033.html -- Julien Grall