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Re: Nomenclature: "MIPS32", "MIPS64"

To: "Kevin D. Kissell" <>
Subject: Re: Nomenclature: "MIPS32", "MIPS64"
From: Ralf Baechle <>
Date: Mon, 6 Dec 1999 10:59:28 -0200
Cc: Linux SGI <>
In-reply-to: <008301bf3fe7$b5fbb330$>
References: <008301bf3fe7$b5fbb330$>
On Mon, Dec 06, 1999 at 01:44:55PM +0100, Kevin D. Kissell wrote:

> "MIPS32" and "MIPS64" have a very specific
> meaning now, and for all I know are already
> trademarked/brandmarked/whatever by
> MIPS Technologies Inc. to describe the new
> baseline ISA and privileged resource architecture
> (CP0, in other words) standards for 32-bit
> and 64-bit MIPS devices.   It's no big deal
> for informal discussion, but *please* do not
> use the strings "MIPS32" or "MIPS64" in the
> code or documentation unless you are really
> and truly referring to MIPS32 and MIPS64
> as defined by MIPS.   If you want to refer to
> the 64-bit versus 32-bit Linux ports, please
> express it otherwise, e.g. MIPS64bit,
> MIPS_64_bit, 64bitMIPS, etc.   Otherwise
> there is going to be a lot of needless confusion
> and a further source schism.

The use of these terms is pretty coherent with their meaning as given by
Mips, Inc.  Linux/MIPS32 is a implementation of Linux (mostly) for MIPS32
processors, Linux/MIPS64 for MIPS64 processors, so I don't see the problem.


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