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Re: down_trylock() implementation for MIPS 4KEc CPU implies 64bitarithme

To: "Maciej W. Rozycki" <>
Subject: Re: down_trylock() implementation for MIPS 4KEc CPU implies 64bitarithmetics?
From: Emmanuel Michon <>
Date: 26 May 2004 19:27:57 +0200
Cc: "Kevin D. Kissell" <>,
In-reply-to: <>
Organization: REALmagic France SAS
Original-recipient: rfc822;
References: <> <012b01c44342$c3ec91e0$10eca8c0@grendel> <> <>
On Wed, 2004-05-26 at 19:16, Maciej W. Rozycki wrote:
> On Wed, 26 May 2004, Emmanuel Michon wrote:
> > No, because this choice of CPU CONFIG_MIPS32
> > is exclusive with CONFIG_CPU_R3000 and CONFIG_CPU_R4X00
> > 
> > I do use CONFIG_CPU_R4X00 so that appropriate cache routines are used
>  Well, the cache routines for both CONFIG_CPU_R4X00 and CONFIG_MIPS32 are 
> the same.
> > I'd prefer to find the appropriate combination of flags to get things
> > right though...
>  The defaults for CONFIG_MIPS32 should be OK.

What is the difference between CONFIG_CPU_MIPS32 and CONFIG_MIPS32?

If I just set CONFIG_MIPS32 the CPU is still default CONFIG_CPU_R5000.

Sincerely yours,


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