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Message-ID: <4A1F126C.6020506@FreeBSD.org>
Date: Fri, 29 May 2009 00:38:36 +0200
From: Ulf Lilleengen <ulf.lilleengen@gmail.com>
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To: Arnar Mar Sig <antab@FreeBSD.org>
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Cc: Perforce Change Reviews <perforce@FreeBSD.org>
Subject: Re: PERFORCE change 162974 for review
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Arnar Mar Sig wrote:
> http://perforce.freebsd.org/chv.cgi?CH=162974
> 
> Change 162974 by antab@antab_farm on 2009/05/28 21:27:21
> 
> 	Add cpu_flush_dcache
> 
> Affected files ...
> 
> .. //depot/projects/avr32/src/sys/avr32/avr32/cpu.c#11 edit
> 
> Differences ...
> 
> ==== //depot/projects/avr32/src/sys/avr32/avr32/cpu.c#11 (text+ko) ====
> 
> @@ -110,6 +110,16 @@
>  	ocdreg_write(DC, bit_offset(OCD, DC, RES));
>  }
>  
> +/*
> + * Flush the D-cache for non-DMA I/O so that the I-cache can
> + * be made coherent later.
> + */
> +void
> +cpu_flush_dcache(void *ptr, size_t len)
> +{
> +	/* XXX: Todo */
> +}
> +
>  /**
Btw, I have added support for cache operations like this in
avr32/avr32/cache.c  for busdma.

-- 
Ulf Lilleengen