on 07/06/2011 21:02 John Baldwin said the following: > On Tuesday, June 07, 2011 11:39:26 am Jung-uk Kim wrote: >> On Tuesday 07 June 2011 09:52 am, John Baldwin wrote: >> The whole point of this commit is to blacklist *recent* BIOS (or CSM) >> from probing keyboard typematic information, more specifically, >> recent Intel chipset platforms. They don't support many INT 15h/16h >> functions but only cause trouble at best. OTOH, I haven't seen such >> problems with AMD chipset systems and they all seem to have >> traditional entry points at the interrupt vector table, for example. > > Err, but you didn't blacklist recent BIOS. You blacklist _all_ BIOS that use > entry points other than the ones from the UEFI spec, including BIOSes that > don't claim to support UEFI and the BIOS from the two systems I quoted.
I'd like to simply add two datapoints: 1) recent AMD system: $ dd if=/dev/mem bs=4 iseek=0x15 count=2 | hd 00000000 59 f8 00 f0 2e e8 00 f0 2) very old PIIX/440BX system (manufactured ~1999): $ dd if=/dev/mem bs=4 iseek=0x15 count=2 | hd 00000000 9a 06 b8 9c 2e e8 00 f0 -- Andriy Gapon _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "[email protected]"
