Re: [Xen-devel] beginnings of allowing more than the basic 80x25 VGAscreen resolution

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 5 Jul 2005, at 18:22, David Hopwood wrote:

> On current PC hardware, a boot loader must have code for doing BIOS 
> calls
> anyway, so it might as well set up the video mode (and font if needed).
> I don't know what modes GRUB currently supports, but if it doesn't 
> support
> the > 25-line text modes then that's an RFE for GRUB, not something 
> that
> needs to be fixed by adding more cruft to Xen.
I'm pretty sure that GRUB won;t set up all the nice vga gfx modes on 
behalf of an OS, and even if it does you'd still need font data and 
other smarts in the OS to make use of the hi-res mode. Extra patches to 
GRUB are a pain because in my experience they are almost impossible to 
get accepted upstream.
 -- Keir


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