From: Ralf Baechle <ralf@uni-koblenz.de>
To: Vivien Chappelier <vivien.chappelier@enst-bretagne.fr>
Cc: linux-mips@oss.sgi.com, linux-mips@fnet.fr
Subject: Re: weekly O2 patches ;)
Date: Fri, 28 Dec 2001 12:55:20 -0200 [thread overview]
Message-ID: <20011228125520.A1323@dea.linux-mips.net> (raw)
In-Reply-To: <Pine.LNX.4.21.0112221928160.13229-300000@melkor>; from vivien.chappelier@enst-bretagne.fr on Sat, Dec 22, 2001 at 07:28:44PM +0100
On Sat, Dec 22, 2001 at 07:28:44PM +0100, Vivien Chappelier wrote:
> diff -Naur linux/arch/mips64/mm/r4xx0.c linux.patch/arch/mips64/mm/r4xx0.c
> --- linux/arch/mips64/mm/r4xx0.c Sun Dec 9 15:47:14 2001
> +++ linux.patch/arch/mips64/mm/r4xx0.c Thu Dec 20 19:04:46 2001
> @@ -2141,9 +2141,17 @@
> unsigned long flags, addr, begin, end, pow2;
> int tmp;
>
> - tmp = ((config >> 17) & 1);
> + /* XXX: disabling secondary cache for now */
> + change_cp0_config(CONF_SE, 0);
> +
> + tmp = ((config >> 17) & 1); /* check if cache present */
> if(tmp)
> return 0;
> +
> + tmp = ((config >> 12) & 1); /* check if cache enabled */
> + if(!tmp)
> + return 0;
> +
> tmp = ((config >> 22) & 3);
> switch(tmp) {
> case 0:
Perfect. You just broke R4000SC / R4400SC.
Ralf
prev parent reply other threads:[~2001-12-30 23:27 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-12-22 18:28 weekly O2 patches ;) Vivien Chappelier
2001-12-28 14:55 ` Ralf Baechle [this message]
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