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

Avi Kivity avi at redhat.com
Sun Aug 22 20:18:43 CEST 2010

  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.

I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.

More information about the SeaBIOS mailing list