dcache questions, bug in alt_dcache_flush

Hi All,

> > I would like to force the processor to invalidate any cached addresses from this

> > buffer before starting a read-out cycle.

> > I've always assumed that the line is invalidated in either case ... but I really don't

> > know for sure.

> As for the behavior of the flushd instruction when the line is not dirty, it is invalidated.

And there you have it ... thanks James! ... ya gotta love this forum :-)

So you can call flushd to invalidate ... regardless of the dirty state. If your buffer

is larger than the cache, you'll do best just calling alt_dcache_flush_all() ... and

save the extra iterations.

Regards,

--Scott