On Fri, 15 Aug 1997 19:26:23 -0700 
 Jonathan Stone <jonathan@DSG.Stanford.EDU> wrote:

 > The only way to make this work with byteswapping is to transform
 > accesses to 32-bit PIO registers to do byte reads. I'm not sure that
 > always works, and even if it does, the performance cost is going to be
 > odious.
 > 
 > >From the perspective of the elink3 driver _only_, forcing byteswapping
 > into the bus_space_* like this seems like is a bloody awful idea.

For a given bus, you know the bus's "native byte order".  Seems like
an:

#if BYTE_ORDER == BIG_ENDIAN
	/* Fixup multi-byte streams */
#else
	/* Don't do fixups. */
#endif

...might be appropriate.  Or, additional bus.h entry points which are
explicitly designed to do multi-byte streams.

Jason R. Thorpe                                       thorpej@nas.nasa.gov
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