[coreboot] global variables in romstage

[Kevin O'Connor]

On Thu, Aug 12, 2010 at 09:27:39PM +0200, Patrick Georgi wrote:
> Two possible solutions, both need to be added to
> src/arch/i386/init/ldscript_fallback_cbfs.lb:
> 
> 1.  _bogus = ASSERT((SIZEOF(.bss) + SIZEOF(.data)) == 0, "Do not use
> global variables in romstage");
[...]
> 2. Add .bss and .data to /DISCARD/.

Just as a point of reference, SeaBIOS has been using method 2.
(SeaBIOS needs to ensure the 16bit code doesn't use any regular global
variables.)

-Kevin