Re: PPC/PPC64 disabled in Koji for dist-f13

[Krzysztof Halasa]

John Reiser <jreiser@xxxxxxxxxxxx> writes:

> The IXP4xx networking engine operates big endian only.  Nevertheless
> many NSLU2 machines run little-endian and still use that networking
> hardware.

With a performance penalty since all buffers have to be swapped.

> Little-
> endian operation of the CPU offers the advantage that an unaligned
> fetch from memory gives results that are usable after quick fixup.
> An unaligned fetch in big-endian mode essentially gives junk.

Both BE and LE obviously have advantages and disadvantages.
-- 
Krzysztof Halasa

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