From owner-freebsd-current@freebsd.org Wed Mar 2 22:18:14 2016 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 90513AC1E82 for ; Wed, 2 Mar 2016 22:18:14 +0000 (UTC) (envelope-from mail@m.jwh.me.uk) Received: from eva.tinkyfi.com (eva.tinkyfi.com [107.191.63.190]) by mx1.freebsd.org (Postfix) with ESMTP id 5BB1112D9; Wed, 2 Mar 2016 22:18:13 +0000 (UTC) (envelope-from mail@m.jwh.me.uk) Received: from [172.21.88.129] (cpc82705-staf9-2-0-cust342.3-1.cable.virginm.net [81.108.23.87]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: mail@m.jwh.me.uk) by eva.tinkyfi.com (Postfix) with ESMTPSA id 3qFqTb3RPsz5Hj9; Wed, 2 Mar 2016 22:18:11 +0000 (UTC) Subject: Re: Bay Trail 32bit UEFI To: "Lundberg, Johannes" , Jakob Alvermark References: <56D29AF6.50401@m.jwh.me.uk> <4073395.HnTjdCHcSr@ralph.baldwin.cx> <56D6BC03.2040508@m.jwh.me.uk> <18013.85.229.93.153.1456947431.squirrel@webmail.alvermark.net> Cc: John Baldwin , FreeBSD Current From: Joe Holden Message-ID: <56D766A1.3000702@m.jwh.me.uk> Date: Wed, 2 Mar 2016 22:18:09 +0000 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 02 Mar 2016 22:18:14 -0000 On 02/03/2016 19:45, Lundberg, Johannes wrote: > On Wed, Mar 2, 2016 at 11:37 AM, Jakob Alvermark > wrote: > > On Wed, March 2, 2016 20:00, Lundberg, Johannes wrote: > > On Wed, Mar 2, 2016 at 2:10 AM, Joe Holden > wrote: > > > > > >> On 02/03/2016 01:45, Lundberg, Johannes wrote: > >> > >> > >>> CherryTrail devices/boards with 64bit UEFI are already out. Upgrading > >>> the hardware is one solution (I did). > >>> > >>> I'm thinking of the sticks etc, they all have 32bit UEFI and no > >>> > >> CSM/legacy boot, but have 64bit cpus > >> > > > > > > > > Yeah and it sucks. All to adapt to Microsoft who couldn't make 64bit UEFI > > boot loader in time (or so I heard)... I heard though that newer (Linux) > > versions of Intel Compute Stick would have 64bit UEFI but I'm not sure. > > The Intel Compute sticks can boot both 32 and 64 bit. It doesn't > matter if > you have the Windows or Linux version. (The difference between the > is the > amount of RAM and onboard storage, the firmware is the same) > > I have the Windows one and it boots 64 bit just fine. > You can select it in the settings. (OS setting: Windows=32 bit, > Linux=64 bit) > > > That's great. However, as for all other BayTrail devices out there that > does not support Linux officially I think you're stuck with 32bit. > > > Jakob > My point was that it is possible to boot amd64 bit kernels from 32bit UEFI, grub (and therefore, linux) does it. I think even openbsd at least has a 32bit loader, I'd settle for 32bit but the problem is I can't easily boot it.