On Sat, 24 Apr 2004, Ralf Baechle wrote: > Actually the R10000 way to do something like this is to use the uncached > attribute like in the Origin. It allows using the same physical address > space several times for different purposes. So on node 0 of an Origin > indeed memory starts at physical address zero and there is no hole for > the firmware. IP27 is afaik the only system using this R10000 feature > which surprises me a little due to the otherwise great similarity of these > two systems. That precludes the firmware from being run cached, though. Not very nice, especially for callbacks, but perhaps a bit easier to deal with. -- + Maciej W. Rozycki, Technical University of Gdansk, Poland + +--------------------------------------------------------------+ + e-mail: macro@xxxxxxxxxxxxx, PGP key available +
