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Date: Sat, 08 Mar 2008 11:19:11 +0100
From: Rafal Jaworowski <raj@semihalf.com>
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To: Marcel Moolenaar <marcel@FreeBSD.org>
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/powerpc/booke machdep.c
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Marcel Moolenaar wrote:
> marcel      2008-03-08 05:36:25 UTC
> 
>   FreeBSD src repository
> 
>   Modified files:
>     sys/powerpc/booke    machdep.c 
>   Log:
>   Enable the D-cache and I-cache when not already enabled.
>   It so happens that U-Boot disables the D-cache when booting
>   an ELF image, so this change makes sure we run with the
>   D-cache enabled from now on. It shows too...
>   

Thanks for hooking this up, Marcel; it was [far] on my list too :)

BTW: currently U-Boot is broken for most of PPC variations (including 85xx) in
the following way: d-cache is not being flushed before disabling and strange
things happen as you imagine. For a quick workaround apply something like this
when using ELF images:
http://people.freebsd.org/~raj/patches/misc/uboot-dcache-workaround.diff

Rafal