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Re: Booting Linux on Vadem Clio (really Vr41xx identity)

To: Dominic Sweetman <dom@algor.co.uk>
Subject: Re: Booting Linux on Vadem Clio (really Vr41xx identity)
From: "Gleb O. Raiko" <raiko@niisi.msk.ru>
Date: Mon, 19 Jul 1999 16:47:29 +0400
Cc: "Bradley D. LaRonde" <brad@ltc.com>, linuxce-devel@linuxce.org, linux-mips@fnet.fr
Organization: NIISI RAN
References: <017301bed191$bcdb3be0$b1119526@tecra.ltc.com> <199907191119.MAA29895@mudchute.algor.co.uk>
Dominic Sweetman wrote:
> I know it fails to provide the (core MIPS-3) instructions LL/SC,
> because it's designers erroneously thought they were only useful for
> multiprocessor systems.  Otherwise, it should be pretty compatible.
> 

Fortunately, Harald Koerfgen has implemented ll/sc for r3k. Thus, for
the user mode, they are already handled (iirelevant from CPU type, I
guess). In the kernel, you need to choose r3k logic for ops on
semaphores.

Regards,
Gleb.

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