----- Original Message ----- > From: "Jan Kiszka" <jan.kis...@web.de> > To: "Glauber Costa" <glom...@redhat.com> > Cc: k...@vger.kernel.org, aligu...@us.ibm.com, mtosa...@redhat.com, > qemu-devel@nongnu.org, a...@redhat.com > Sent: Wednesday, May 11, 2011 5:00:10 PM > Subject: Re: [PATCH] Add an isa device for SGA > On 2011-05-11 19:11, Glauber Costa wrote: > > This patch adds a dummy legacy ISA device whose responsibility is to > > deploy sgabios, an option rom for a serial graphics adapter. > > The proposal is that this device is always-on when -nographics, > > but can otherwise be enable in any setup when -device sga is used. > > That means bios output is written to the virtual uart? Sounds > interesting. Where do we find such an option rom?
code.google.com/p/sgabios Plan is to include it in the set of roms distributed by QEMU. > Alternatively, what about adding serial console support to SeaBIOS? > I've > seen real BIOSes that allow driving both VGA and serial in parallel. > That could be controlled via -boot and some fwcfg, just like we > request > the boot menu today. Possible, cleaner, but much more work. I think using sgabios give us what we need for very little additional cost. If someone would be willing to do the work in SeaBIOS, that would be another story. > > Jan
