On Fri, Feb 24, 2012 at 11:18 AM, Pekka Enberg <penberg@xxxxxxxxxx> wrote:
> On Fri, Feb 24, 2012 at 9:01 PM, Pekka Enberg <penberg@xxxxxxxxxx> wrote:
>> Aah, I guess we need to implement proper support for QEMU BIOS config
>> port ("0x510") because the dummy port is accidentally asking for a
>> boot menu.
>>
>> If I disable boot menu support from SeaBIOS, I'm now seeing this PCI
>> "out of address space" error which I suppose is what Ron and John were
>> talking about earlier:
>
> [snip, snip]
>
> So looking at SeaBIOS code, it seems to me we could simply make LKVM
> lie to it by claiming to be coreboot and get away with it, no? We'd
> basically avoid all the PCI allocation passes and such.
>
> How difficult is it to initialize a struct cb_header data structure?
> src/coreboot.c::find_cb_header() seems to be rather strict but
> certainly nothing that we fundamentally can't do.
>
> Another option is to extend the Xen codepaths to support LKVM too.
>
> Pekka
Just tell SeaBIOS to compile for Coreboot. That seemed to get me going.
John
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