Re: Servicing Multiple (nested) TLB Misses
Jason R Thorpe <[email protected]> Sun, 8 Dec 2002 00:03:14 -0800
| Newsgroups | gmane.os.netbsd.ports.mips |
|---|---|
| Organization | Wasabi Systems, Inc. |
| Message-ID | <[email protected]> |
On Sun, Dec 08, 2002 at 04:09:01PM +0900, Toru Nishimura wrote:
> The same techniq can be useful for other software managed TLB processors.
> SH3 and MPC850/860 fall in that category. And I'm watching with a great
> interest at Steve Woodford's SH5 pmap wondering it can be a basis of
> 64bit PTR (say, pmap64.c) NetBSD/mips.
Well, the SH5 pmap actually works a lot like a PowerPC 603 pmap, if I
understand it correctly. Note that the use of the term "KSEG" in the
SH5 pmap is not the same as "KSEG" in the MIPS world. In SH5-land, it's
just a convenient way to refer to some special regions that are mapped
*with the TLB*.
--
-- Jason R. Thorpe <[email protected]>