Re: Mapping Video BIOS?
Greg 'groggy' Lehey <[email protected]>
| Newsgroups | gmane.os.freebsd.current,gmane.os.freebsd.devel.mobile |
|---|---|
| Organization | LEMIS, PO Box 460, Echunga SA 5153, Australia |
| Message-ID | <[email protected]> |
On Sunday, 27 July 2003 at 22:17:32 -0600, M. Warner Losh wrote: > In message: <[email protected]> > "Greg 'groggy' Lehey" <[email protected]> writes: >> On Sunday, 27 July 2003 at 22:11:29 -0600, M. Warner Losh wrote: >>> Where are you getting the data? A windows tool? >> >> If you're talking about the BIOS contents I'm printing, yes, I'm using >> a Microsoft tool called DEBUG (which has been around since before >> Microsoft bought DOS :-). > > I don't suppose that you could use FreeBSD's /dev/mem + od? Yup, can do. # dd if=/dev/mem bs=64k skip=12 count=1 | hd | less 00000000 55 aa 78 e9 44 06 00 00 00 00 00 00 00 00 00 00 |U.x.D...........| 00000010 00 00 00 00 00 00 00 00 68 01 00 00 00 00 49 42 |........h.....IB| ... 0000bff0 04 03 80 00 0c 00 00 00 20 00 10 0b 3e 00 02 40 |........ ...>..@| 0000c000 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................| * 00010000 That's pretty much what I expected. Up to offset bff0, it's identical with the Microsoft dump. Greg -- Finger [email protected] for PGP public key See complete headers for address and phone numbers
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