Re: DS207 fails to auto boot (Bad Magic Number)

[Julian Coleman <jdc%coris.org.uk@localhost>]

Hi,

> I looked at the source myself again, but I am not sure what you mean.
> Do you mean to invalidate the cache, so a modification of the receive
> descriptor is noticed by the CPU? This is done (inv() and wbinv()).
> 
> Or do you mean to reset the descriptor itself? This is also done in all
> cases:
>   rxd->xd0 = htole32(FRAMESIZE|CTL_DEFOPC|CTL_LS|CTL_FS|CTL_OWN);

Yes - you're correct.  I was thinking that we didn't do this where CTL_OWN
wasn't set, but this just means that there isn't a packet available in that
descriptor.

Thanks,

J

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