[SeaBIOS] [PATCH] If an int 1587 call is made from an option rom, stay in bigreal mode.

[Kevin O'Connor]

On Sat, Apr 19, 2014 at 12:30:01PM -0400, Kevin O'Connor wrote:
> Modify the int 1587 handler to check if the POST phase is still
> running.  If it is, use bigreal mode segment limits so that the caller
> remains in bigreal mode when the 1587 handler completes.  This helps
> with SeaVGABIOS' use of "direct" framebuffer accesses (an option rom
> may attempt to display text during its option rom execution which can
> cause SeaVGABIOS to make the int 1587 calls).

FYI, I have committed this patch.

-Kevin