On Wed, 1 Dec 1999, Zhihui Zhang wrote:
> I used to know that memory to memory copy is done by the DMA controller in
> the I/O bridge (Actually, this knowledge confues me because DMA controller
Now, that brings back memories :-)
check out the original dma chip design, ca. infinite years ago. Wow, did
freebsd ever use this for bcopy? Hard to see that it would pay ...
I know that early 8086 code did use it though.
ron
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