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From: Jean Guyader <jean.guyader@gmail.com>
To: "Pasi Kärkkäinen" <pasik@iki.fi>
Cc: "Mr. Teo En Ming (Zhang Enming)" <space.time.universe@gmail.com>,
	"xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>,
	weidong.han@intel.com, Keir Fraser <keir.fraser@eu.citrix.com>
Subject: Re: Xen 4.0.0 first release candidate / graphics passthru
Date: Thu, 21 Jan 2010 09:09:35 +0000	[thread overview]
Message-ID: <f68b66461001210109x3f09c3f6p673819cffaae6137@mail.gmail.com> (raw)
In-Reply-To: <20100121085407.GJ2861@reaktio.net>

2010/1/21 Pasi Kärkkäinen <pasik@iki.fi>:
> On Tue, Jan 12, 2010 at 10:05:12AM +0000, Keir Fraser wrote:
>> On 12/01/2010 09:32, "Pasi Kärkkäinen" <pasik@iki.fi> wrote:
>>
>> >>> Does 4.0 include gpu passthru features? If not are there any updated
>> >>> patches to try gpu passthru with 4.x?
>> >>
>> >> There is support (c/s 20144).
>> >>
>> >
>> > Btw is it possible now to specify a file to load the VGA bios from?
>> > earlier it was required to hardcode it into some header file or so.
>>
>> I think it is hardcoded that qemu will take a copy of the host system's BIOS
>> (i.e., for the primary host VGA). Other options would be easy to implement
>> I'm sure, if someone's interested.
>>
>
> I was just looking at same older mails, and it seems for example Teo En Ming
> and others who got Xen VGA passthrough working had to copy the vgabios-pt.bin
> to tools/firmware/vgabios/ before building Xen.
>
> That's not very practical..
>

Right now the code copy the bios from 0xC0000. So if you want to pass through
a secondary display adapter with the vga bios you are not copying the right one,
that why this hack was for.
Surely the code could be modified to add an option to copy the bios of
the right card.

Jean

  reply	other threads:[~2010-01-21  9:09 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-01-12  7:33 Xen 4.0.0 first release candidate Keir Fraser
2010-01-12  8:34 ` Andrew Lyon
2010-01-12  9:06   ` Keir Fraser
2010-01-12  9:32     ` Xen 4.0.0 first release candidate / graphics passthru Pasi Kärkkäinen
2010-01-12 10:05       ` Keir Fraser
2010-01-21  8:54         ` Pasi Kärkkäinen
2010-01-21  9:09           ` Jean Guyader [this message]
2010-01-21  9:12             ` Pasi Kärkkäinen
2010-01-21  9:18               ` Jean Guyader
2010-01-21  9:52                 ` Weidong Han
2010-01-21  9:55                   ` Pasi Kärkkäinen
2010-01-21 10:24                     ` Weidong Han
2010-01-21 10:28                       ` Pasi Kärkkäinen
2010-01-21 12:10                       ` Sander Eikelenboom
2010-01-21 12:50                         ` Weidong Han
2010-01-21 12:56                           ` Pasi Kärkkäinen
2010-01-21 13:03                             ` Weidong Han
2010-01-21 14:02                               ` Keir Fraser
2010-01-21 14:11                                 ` Pasi Kärkkäinen
2010-01-21 14:23                                   ` Pasi Kärkkäinen
2010-01-21 19:53                                     ` Timothy J. Moore
2010-01-22  2:37                                       ` Weidong Han
2010-01-22  2:22                                     ` Weidong Han
2010-01-22 22:15                                       ` Timothy J. Moore
2010-01-23 11:12                                         ` Han, Weidong
2010-01-25 14:09                                           ` Keir Fraser
2010-01-26  1:52                                             ` Weidong Han
2010-01-12  9:47   ` Xen 4.0.0 first release candidate gilberto nunes
2010-01-12 10:06     ` Keir Fraser
2010-01-12 10:25       ` Pasi Kärkkäinen
2010-01-12 10:50         ` gilberto nunes
2010-01-12 11:01           ` Keir Fraser
2010-01-12 11:14             ` gilberto nunes
2010-01-12 11:31 ` Sassy Natan
2010-01-12 11:38   ` Keir Fraser
2010-01-12 11:48     ` Sassy Natan
2010-01-12 11:51       ` Keir Fraser
2010-01-12 12:02       ` Pasi Kärkkäinen
2010-01-15  0:54 ` Stefan Kuhne
2010-01-15  1:17   ` Stefan Kuhne
2010-01-15  1:19   ` Zhigang Wang

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