Re: [SeaBIOS] [PATCH v3 1/6] pci: add two-pass pci initialization code

[Gerd Hoffmann]

On 07/08/11 17:09, Gerd Hoffmann wrote:
> > Hmm but within a bridge we allocate down to top, right?
>
> Yes. Just the big mem and prefmem blocks which contain everything are
> allocated top-down, exactly to avoid fragmenting the memory by moving
> stuff as far as possible to the top of the address space, leaving a big
> hole between end of guest ram and start of pci allocations.
>
> Within the memory blocks the bars (and bridge windows) are allocated
> bottom-up, sorted by size, with no alignment holes between the bars.

Pushed latest bits to http://www.kraxel.org/cgit/seabios/log/?h=pci.4 
for those who want to play with it.  Will post updated series to the 
list next week.

cheers,
   Gerd