| commit | 32ec7fd08b597586774b92ac1cd2678021ccac1b | [log] [tgz] |
|---|---|---|
| author | H. Peter Anvin <hpa@zytor.com> | Sat Mar 28 13:53:26 2009 -0700 |
| committer | H. Peter Anvin <hpa@zytor.com> | Sat Mar 28 18:18:20 2009 -0700 |
| tree | 532ec12d24a1c7c17d3250ccdb2b66ddc8804cff | |
| parent | 01522df346f846906eaf6ca57148641476209909 [diff] |
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>