Path: utzoo!attcan!uunet!jarthur!usc!wuarchive!decwrl!sgi!shinobu!odin!norge.sgi.com!jeffd
From: jeffd@norge.sgi.com (Jeff Doughty)
Newsgroups: comp.sys.sgi
Subject: Re: Flushing the icache
Message-ID: <5342@odin.SGI.COM>
Date: 16 Mar 90 15:45:33 GMT
Sender: news@odin.SGI.COM
Reply-To: jeffd@norge.sgi.com (Jeff Doughty)
Organization: Silicon Graphics, Inc., Mountain View, CA
Lines: 17

> Thanx to all those who responded to my previous MIPS question (about
> lw). It turns out that the bug I'm battling is caused by an
> icache/dcache consistency problem. So now I ask, is there any way to
> flush the icache on sgi 4d machines? If the answer is no, is there a
> way to find out the size of the icache at runtime?

The following code will do the job:

#include <sys/sysmips.h>

...

	sysmips(FLUSH_CACHE);
...

				Jeff Doughty
				IRIX group