Date: Fri, 2 Jan 1998 11:16:33 -0800 (PST) From: Matt Dillon <dillon@best.net> To: "John S. Dyson" <dyson@freebsd.org> Cc: current@freebsd.org, dg@root.com Subject: Interesting page table methodology Message-ID: <199801021916.LAA14499@flea.best.net>
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I've recently been studying the MMU on the PowerPC and MIPS cpus. The
PowerPC's methodology in particular appeals to me. It's probably not
possible to do something similar with the Pentium's hardwired MMU, but
here is the basic idea.
With the PowerPC & MIPS cpus you can take an interrupt on a TLB miss
(on the MIPS you don't have a choice. On the PowerPC it's possible to
do it either way depending on the chip0. The interrupt routine nominally
obtains the TLB
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