From mboxrd@z Thu Jan 1 00:00:00 1970 From: Robert VanVossen Subject: Re: 32-bit ARM guest on 64-bit ARM Xen Date: Fri, 1 May 2015 08:56:37 -0400 Message-ID: <55437805.8090102@dornerworks.com> References: <553FDC2B.1050306@dornerworks.com> <553FEA2F.6050306@citrix.com> <55410519.4020009@dornerworks.com> <1430484502.15640.25.camel@citrix.com> <554377B1.6040008@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1YoAW7-00042M-Hu for xen-devel@lists.xenproject.org; Fri, 01 May 2015 12:58:07 +0000 In-Reply-To: <554377B1.6040008@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: Julien Grall , Ian Campbell Cc: xen-devel@lists.xenproject.org List-Id: xen-devel@lists.xenproject.org Hello, On 5/1/2015 8:55 AM, Julien Grall wrote: > 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. > Yes, I am using the QEMU model for the Xilinx ZynqMP, so it does not appear to be a bug in Xen. Thank you for the help. -Robbie VanVossen