Hello everybody, I have a Windows 7 HVM domU running on a Debian dom0. I use SDL to connect to the domU and I need support for a non standard VGA mode. Previously in Xen 4.2.1 I edited the source file: tools/firmware/vgabios/vbetables-gen.c I simply added the vgamode I need and compile Xen. This worked perfectly since I try Xen 4.3-unstable. I found out that Xen 4.3 uses a new bios, which seems to provide his own vgabios. In the source file: tools/firmware/seabios-dir/vgasrc/bochsvga.c are modes defined. But if I add or even only change a modes the changes doesn''t appear in the domU. Of course I compiled and reinstalled Xen after applying the changes. Can anybody give me a hint where I can add a new mode in Xen 4.3? Best regards Fabian Koeslin
Pasi Kärkkäinen
2013-May-09 14:24 UTC
Re: How can I add a non standard VGA mode in Xen 4.3
On Fri, Apr 12, 2013 at 05:47:18PM +0200, Fabian Köslin wrote:> Hello everybody, > > I have a Windows 7 HVM domU running on a Debian dom0. I use SDL to connect to the domU and I need support for a non standard VGA mode. Previously in Xen 4.2.1 I edited the source file: > tools/firmware/vgabios/vbetables-gen.c > I simply added the vgamode I need and compile Xen. This worked perfectly since I try Xen 4.3-unstable. >So with Xen 4.2 you probably used qemu-dm (qemu traditional).. What "non-standard" modes are you adding?> I found out that Xen 4.3 uses a new bios, which seems to provide his own vgabios. In the source file: > tools/firmware/seabios-dir/vgasrc/bochsvga.c > are modes defined. But if I add or even only change a modes the changes doesn''t appear in the domU. Of course I compiled and reinstalled Xen after applying the changes. >Yeah, and Xen 4.3 defaults to using qemu-upstream as a default, so it''s quite different from the old qemu-dm. Note that you can still make Xen 4.3 use the old qemu-dm aswell.> Can anybody give me a hint where I can add a new mode in Xen 4.3? >Sorry, I''m not aware of how to do that with 4.3 .. -- Pasi