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Re: On I/O and meory address space
- To: Mailing List Recipients <pci-sig-request@znyx.com>
- Subject: Re: On I/O and meory address space
- From: Stephen Williams <steve@icarus.icarus.com>
- Date: Mon, 10 Feb 1997 22:53:35 -0800
- In-Reply-To: Your message of "Mon, 10 Feb 1997 19:22:47 +0800." <11224731201386@aztech.com.sg>
- Resent-Date: Mon, 10 Feb 1997 22:53:35 -0800
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> 2. If you want to do burst reads/or writes to your device from a host,
> then the memory space should be marked prefetchable.
Absolutely not. Bursting is not the same as prefetching. Prefetching
is reading ahead on memory that hasn't been requested by the master, and
is most often performed by the host interface.
--
Steve Williams
steve@icarus.com
steve@picturel.com
"The woods are lovely, dark and deep. But I have promises to keep,
And lines to code before I sleep, And lines to code before I sleep."
} Ø È