Installing FreeBSD from CD

Peter Grehan grehan at freebsd.org
Mon May 16 02:06:14 PDT 2005


Hi Florent,

> 	I thought PPC could work in both endian modes (31th or 63th bit 
> 	of MSR), that would mean FreeBSD/ppc could read UFS volumes 
> 	created by FreeBSD/i386 but not the opposite.
> 
> 	Please tell me if I'm wrong.

  Little-endian mode has varying degress of support on different 
processor models (e.g. none on the G5).

  Like it or not, PowerPC == big endian.

  The real fix for UFS interoperability is the NetBSD approach, but that 
has a complexity in making sure that *all* metadata reads/writes are 
appropriately swapped.

later,

Peter.



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