On Wed, 2014-05-21 at 09:52 -0400, Kevin O'Connor wrote:
> 
> Why is it wrong to declare memory at 0xef000-0xf0000 and have a stack
> at 0xef520-0xefd20?

I found the problem and it was on the UEFI side, not with the SeaBIOS
patch.

UEFI was only unlocking the requested 0xef000-0xf0000 region when it
actually issued a Legacy16Boot request. Prior to that, the entire
0xc0000-0x100000 region was remaining locked.

I'll fix my EDK2 patch accordingly.

-- 
David Woodhouse                            Open Source Technology Centre
david.woodho...@intel.com                              Intel Corporation

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