From mboxrd@z Thu Jan  1 00:00:00 1970
Subject: Re: check MMU state
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: tglx@linutronix.de
Cc: linuxppc-dev <linuxppc-dev@lists.linuxppc.org>
In-Reply-To: <200304051735.25831.tglx@linutronix.de>
References: <200304051735.25831.tglx@linutronix.de>
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Message-Id: <1049554177.654.3.camel@zion.wanadoo.fr>
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Date: 05 Apr 2003 16:49:37 +0200
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On Sat, 2003-04-05 at 17:35, Thomas Gleixner wrote:
> Hi !
>
> Is there a clean way to check, if the MMU is enabled on kernel entry ? I have
> to port Linux to a PMC-module, where the bootloader code should not be
> changed.

The kernel entry can cope with both cases, provided that early_init
properly returns the physical address where the kernel is loaded,
regardless of the translations setup by the bootloader. Also, the
kernel has to be contiguous in physical memory.

Ben.

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