[coreboot] SimNOW VGA int 1a

Marc Jones Marc.Jones at amd.com
Wed Oct 15 22:26:50 CEST 2008


Myles Watson wrote:


>> -----Original Message-----
>> From: Tom Sylla [mailto:tsylla at gmail.com]
>> Sent: Wednesday, October 15, 2008 2:04 PM
>> To: Myles Watson
>> Cc: Coreboot; ron minnich
>> Subject: Re: [coreboot] SimNOW VGA int 1a
>>
>> On Wed, Oct 15, 2008 at 3:56 PM, Myles Watson <mylesgw at gmail.com> wrote:
>>> C000:3241 B802B1           mov ax,b102
>>> C000:3244 CD1A             int 1a
>>> FFFF:FFFF FF
>> Yep, "b102" is not a common signature.
>>
>>> I'm looking for the place where the interrupt vector was supposed to
>> have
>>> been set.
>> I am confused, your coreboot log shows several int1a before the failure:
>>
>> int1a vector at 10ffef
>> dev_find_device: find PCI: 1022:2067
>> ...
>> int1a vector at 37da2
>> int1a vector at 37da2
>> int1a vector at 76682
>> int1a vector at 76682
>> int1a vector at 76682
>> int1a vector at 76682
>> int1a vector at 76682
>> int1a vector at 76682
> 
> Sorry.  I should have sent a new log.  It's the same as the old one except
> at the end.  Once I switched to vm86 instead of x86emu, there is no longer
> any output after "Copying VGA ROM Image ..."
> 

Is int1a pci bios calls supported in the emulators?

Marc


-- 
Marc Jones
Senior Firmware Engineer
(970) 226-9684 Office
mailto:Marc.Jones at amd.com
http://www.amd.com/embeddedprocessors





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