Re: [SeaBIOS] [PATCH 0/5] pci: 64bit support

[Kevin O'Connor]

On Wed, Feb 22, 2012 at 11:55:53AM +0100, Gerd Hoffmann wrote:
> > > I haven't really had a chance to review it.  Initial thoughts were
> > > on patch 1, I'm not sure how that will impact stack usage which
> > >
> > > is quite tight when running in 16bit mode;
>
> Stack usage doesn't grow much I think.  struct pci_dev becomes larger,
> but I doubt you can find those on the stack.  Some local variables move
> from u32 to u64.  But doesn't run this code in 32bit anyway?

I was referring to the changes to dprintf, which does run in 16bit
mode.  There is a script tools/checkstack.py that can calculate the
16bit stack usages.

-Kevin