On Wed, 2008-10-22 at 17:21 -0500, Matt Sealey wrote: > > Because we're Genesi! And we have a firmware solution that > kind of has to keep 32-bit pointers in the unlikely event that > someone actually uses the client interface (besides yaboot!). > > Having I/O in the 36-bit range could cause all sorts of > explosions, and we're running real-mode so trapping and faking > I/O accesses is REALLy difficult :}
how so ? we have plethora of 32-bit firmwares including OF implementations that can perfectly address 36 bit physical address space. Nothing to do with having 32-bit pointers. Cheers, Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev