H. Peter Anvin 32ec7fd08b x86, setup: preemptively save/restore edi and ebp around INT 15 E820
Impact: BIOS bugproofing

Since there are BIOSes known to clobber %ebx and %esi for INT 15 E820,
assume there is something out there clobbering %edi and/or %ebp too,
and don't wait for it to fail.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2009-03-28 18:18:20 -07:00
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