Hi,
> I noticed that there's a directory, kvm/vgabios, in the distribution
> which appears to have source code for the relevant targets. Indeed,
> one of the source files there, vbetables-gen.c, seems to be the one
> I need to modify to add my new display resolutions. Great.
> So naturally, I tried to run a make there, but it wanted to use bcc.
Thats the one qemu is using. Also available from
http://git.qemu.org/?p=vgabios.git;a=summary
> With this questionable version of dev86, I went back to the kvm/vgabios
> directory and tried to build there again. Much to my surprise, it
> actually ran, and built 4 variants on VGABIOS-lgpl-latest.bin...
> Cool, says I, now what do I do with these? I did the only thing
> I could think of, and installed VGA-lgpl-latest.bin as
Almost correct. You need VGABIOS-lgpl-latest.stdvga.bin
> Of course, what this thing really needs is a way for us to configure,
> at runtime, the available resolutions. I have no idea how hard that
> would be, but we're obviously not there now.
There is some work in progress to put the vgabios included in
seabios.git into better shape, which hopefully gives us a vgabios which
does (a) does not require dev86 to build and (b) is almost completely c
code not assembler and thus much easier to hack.
There is a communication channel between seabios & qemu already
(fw_cfg), that could be used by vgabios too to get non-standard screen
resolutions configured at runtime.
cheers,
Gerd
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