On Tue, May 18, 2004 at 11:54:47 -0400, Steven Grunza wrote:

> I'm trying to read and write data to/from my PCI device at offset 0x24 from 
> BAR3.  I can find the address of BAR2 with the Sun OpenBoot command:
> 
> show-pci-configs
> 
> and then look for my device and vendor ID's.  In this particular case BAR3 
> is reported as 114000 so my desired access is to memory at 0x114024.
> 
> How do I read from a "pointer" in Forth?  In C I would simply do the 
> following:
[...]
> How would I do something similar in Forth / OpenBoot prom?  Thanks for any 
> help.  I'm working through some Forth primer's and tutorials but they don't 
> seem to cover this situation.

There are probably convenience words defined in the the OFW.  Use
"sifting" and "see" to look around.  E.g.

    ok sifting pci
    ... [list of words that contain "pci" in the word name]
    ok see pci-ba3!
    ... [forth or assembler text of the word definition]

SY, Uwe
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