[SeaBIOS] [PATCH] mark VBE mapping as reserved in e820

[Avi Kivity]

On 01/24/2010 09:51 AM, Avi Kivity wrote:
> On 01/24/2010 04:09 AM, Kevin O'Connor wrote:
>>
>>> VESA standard is unrelated to pci devices,
>>> and therefore it can be used with isa devices...
>> VGA shows up as a PCI device under qemu.  Is there a reason why making
>> the LFB part of a PCI bar of the VGA device will not work?  Doing it
>> that way seems like a simpler solution.  It's also probably what real
>> modern machines do.
>
> -vga std is not a PCI device, therefore no BAR.  Incidentally, we have 
> a regression where VBE is not detected with qemu-0.12 and sesbios, 
> this may be the cause.

That's not correct - when running with PCI -vga std _is_ a PCI device 
(and it has a BAR).  What's needed is to make the VBE BIOS aware of it.

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