[LinuxBIOS] Geode GX1 system IRQ handling

Ronald G Minnich rminnich at lanl.gov
Wed Aug 16 00:26:53 CEST 2006

Jonathan Sturges wrote:
> Richard Smith wrote:
>>> >
>>> > Unless its compressed.
>>> >
>>> You mean, run getpir against the WinCE BIOS image?  Please clarify what
>>> you're saying.
>>> I still can't use the WinCE BIOS to boot other OSes, so unless I'm
>>> misunderstanding you, I don't think that'll work.
>> Exactly.  The $PIR was just a table.  Ron's guessing that if they used
>> PIR then its probably just the table hanging out in the ROM in which
>> getpir will find it.
>> you can also hd (or other hexeditor) the image file and look for
>> occurances of $PIR.  There may be more than one so you have to go
>> further to verify its a PIR table.
> No $PIR in the image.  What's my best "Plan B"?  Options that I'm aware 
> of include:
> 1)  Find a way to enumerate IRQ assignments while booted into WinCE 3.0.
> 2)  Guess.  :-)  Right now, the only devices I need that are lacking IRQ 
> assignments are the USB controller and the NIC.

you should be able to look at irq assignments in wince.


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