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

Gleb Natapov gleb at redhat.com
Sun Aug 22 20:21:23 CEST 2010


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?

--
			Gleb.



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