Re: [SeaBIOS] Running out of space in e/f-segments

[Gleb Natapov]

On Sun, Aug 22, 2010 at 09:18:43PM +0300, Avi Kivity wrote:
> On 08/22/2010 08:40 PM, Kevin O'Connor wrote:
> > On Sun, Aug 22, 2010 at 08:07:53PM +0300, Avi Kivity wrote:
> > > I see that ld has some support for overlays, perhaps we can use that?
> >
> > The overlay support is basically just another way of manipulating the
> > run-time addresses of the code at build time.  Unfortunately, it can
> > only specify static addresses, and I don't think there is any safe
> > static address that can be used (outside of 0xc0000-0xfffff).
>
> Is that not useful?  We can push, say the IDE and virtio drivers to
> overlay the same address range in the e/f segments, and have the
> stubs pull them in as necessary.

And if you need both?