[SeaBIOS] [PATCH] don't produce overly large images

Kevin O'Connor kevin at koconnor.net
Sat Aug 24 18:30:54 CEST 2013


On Fri, Aug 23, 2013 at 02:19:07PM +0100, Jan Beulich wrote:
> In the course of dealing with a problem in Xen's use of SeaBIOS when
> the resulting image exceeds 128k I found it desirable to not add
> unnecessarily much padding to the beginning of the image. Going in 64k
> steps should be sufficient; perhaps one could use even smaller ones,
> thus increasing the chances of there always being a window of available
> space at C0000h.

Older versions of QEMU did not support 192K roms, but it does look
like the latest version of QEMU does.

However, SeaBIOS should be managing the space between 0xc0000-0xfffff,
and SeaBIOS does not care about the padding.  So I'm not sure how this
patch helps.

-Kevin



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