On Fri, 14 Feb 2003, Duncan Sands wrote:

> 
<snip>

> I think you mean 0xec.  Maybe if we had the specs we would know.  For me,
> the worst bit about only a few people having access to the specs is that it excludes
> everyone else who would like to do something with the modem or the drivers.  For
> example, the modem contains an ARM processor.  I can imagine someone wanting
> to boot linux on the modem!  Crazy, I know, but we can't know what someone might
> want to do.  Without the specs, playing around with the modem becomes almost
> impossible.  I don't want there to be a "chosen few".  I want to give power to the 
>people!
> But if there is no other way, then maybe that is how it will have to be.
> 
Do you know of anyone working on reverse engineering the microcode? I've 
done similar jobs in the past but it takes more time than I have got at
the moment but I might be interested in helping someone elses effort.

I'm not sure about booting linux - seems rather pointless to me ;-) However, 
being able to include the pppd code into the microcode so that the
modem presents standard IP packets to the device driver would be nice
and shouldn't be too difficult to achieve.

I wonder how much DSP work the microcode has to do and how much is built
into the ATM chipset? 

Regards,

Tim.


-- 
God said, "div D = rho, div B = 0, curl E = - @B/@t, curl H = J + @D/@t," 
and there was light.

     http://tjw.hn.org/      http://www.locofungus.btinternet.co.uk/



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