[coreboot] [PATCH] x86.c and x86emu/YABEL updates

Stefan Reinauer stepan at coresystems.de
Sun Oct 25 20:56:21 CET 2009

Peter Stuge wrote:
> Stefan Reinauer wrote:
>> Option ROM init x86/x86emu update
>> - use default display in int 15 5f35
>> - move REALMODE_BASE to 0x600, 0x500 can be BDA
>> - add regparm for assembler functions
>> - use memset instead of own implementation
>> - YABEL: copy back the IVT, BDA and VBIOS. Some Xorg drivers require this.
> Which drivers? Please try to avoid this type of ambiguousness. (Also
> for the ACPI patch.) It's a real headache for someone who doesn't
> know which drivers (like me) to figure out if this is the source of
> some of my problems, or not.
Well, you can always try if this solved your problem ... What  problems
are you seeing in particular with your hardware?
As you might imagine I did not test this on the majority of boards, so I
can't give a full list of Xorg drivers with the problem, neither
chipsets nor versions.

>> - YABEL: use hardware timer instead of emulated timer, because the emulated
>>   timer's base is never initialized (leading to division by zero if the 
>>   timer is really used)
>> Signed-off-by: Stefan Reinauer <stepan at coresystems.de>
> Acked-by: Peter Stuge <peter at stuge.se>

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