From owner-freebsd-virtualization@freebsd.org Mon Oct 22 17:27:02 2018 Return-Path: Delivered-To: freebsd-virtualization@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 071C1104D934 for ; Mon, 22 Oct 2018 17:27:02 +0000 (UTC) (envelope-from vas@mpeks.tomsk.su) Received: from admin.sibptus.ru (admin.sibptus.ru [IPv6:2001:19f0:5001:21dc::10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 9CE6286EF4 for ; Mon, 22 Oct 2018 17:27:01 +0000 (UTC) (envelope-from vas@mpeks.tomsk.su) Received: from vas by admin.sibptus.ru with local (Exim 4.91 (FreeBSD)) (envelope-from ) id 1gEdyi-00088Q-Mw; Tue, 23 Oct 2018 00:26:56 +0700 Date: Tue, 23 Oct 2018 00:26:56 +0700 From: Victor Sudakov To: "Rodney W. Grimes" Cc: Jason Barbier , freebsd-virtualization@freebsd.org Subject: Re: bhyve uefi="csm" Message-ID: <20181022172656.GA31184@admin.sibptus.ru> References: <20181021162742.GA10064@admin.sibptus.ru> <201810221714.w9MHE83d011516@pdx.rh.CN85.dnsmgr.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <201810221714.w9MHE83d011516@pdx.rh.CN85.dnsmgr.net> X-PGP-Key: http://www.dreamwidth.org/pubkey?user=victor_sudakov X-PGP-Fingerprint: 10E3 1171 1273 E007 C2E9 3532 0DA4 F259 9B5E C634 User-Agent: Mutt/1.10.1 (2018-07-13) Sender: Victor Sudakov X-BeenThere: freebsd-virtualization@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Discussion of various virtualization techniques FreeBSD supports." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 22 Oct 2018 17:27:02 -0000 Rodney W. Grimes wrote: >> Rodney W. Grimes wrote: >> > > Can you tell us a bit about your set up, like are you using helper scripts like libvirt? >> > > To answer the question you asked when I run a vm with the CSM firmware it works for me. >> > >> > You should always be able to boot a vm that uses >> > and boots with the non CSM uefi firmware with the >> > CSM version of the firmware, failures may start >> > to show up if your booting something that is >> > either purely legacy, or efi aware but falls >> > back to csm because it didnt like something. >> >> If my goal were to boot FreeDOS in bhyve, would that be ever possible? > >Today no, due to the fact we do not have a ATA/legacy >emulation, but rather only ahci disk emultaion, though >I would be wrong on that point if FreeDOS has an ahci >disk driver. According to http://wiki.freedos.org/wiki/index.php/Main_Page#What_makes_FreeDOS_better.3F FreeDOS has "UDMA drivers for hard disks and DVD drives", is it not the thing? -- Victor Sudakov, VAS4-RIPE, VAS47-RIPN 2:5005/49@fidonet http://vas.tomsk.ru/