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Re: mips32_flush_cache routine corrupts CP0_STATUS with gcc-2.96

To: Dominic Sweetman <dom@algor.co.uk>
Subject: Re: mips32_flush_cache routine corrupts CP0_STATUS with gcc-2.96
From: Ralf Baechle <ralf@oss.sgi.com>
Date: Fri, 12 Jul 2002 02:24:54 +0200
Cc: "Maciej W. Rozycki" <macro@ds2.pg.gda.pl>, "Gleb O. Raiko" <raiko@niisi.msk.ru>, Carsten Langgaard <carstenl@mips.com>, Jon Burgess <Jon_Burgess@eur.3com.com>, linux-mips@oss.sgi.com
In-reply-to: <15662.3715.334923.669657@gladsmuir.algor.co.uk>; from dom@algor.co.uk on Fri, Jul 12, 2002 at 12:02:27AM +0100
References: <20020711131247.A11700@dea.linux-mips.net> <Pine.GSO.3.96.1020711185642.7876I-100000@delta.ds2.pg.gda.pl> <15662.3715.334923.669657@gladsmuir.algor.co.uk>
Sender: owner-linux-mips@oss.sgi.com
User-agent: Mutt/1.2.5.1i
On Fri, Jul 12, 2002 at 12:02:27AM +0100, Dominic Sweetman wrote:

> PS: my standard appeal.  When you say you 'flush' a cache do you mean
> invalidate, write-back, or both?  If (as I suspect) not all of you
> mean the same thing, should you not instead speak of 'invalidate' and
> 'writeback'... sloppy language surely leads to sloppy programming?

I already had discussions with 68k people about this problem of
terminology.  It seems there is no unambigous terms for the whole
``cachology'' in the industry.

  Ralf


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