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Subject: Re: [Gcl-devel] Re: Flushing the d-cache (was Re: BFD relocations)
From: Philip Blundell <pb@nexus.co.uk>
To: Camm Maguire <camm@enhanced.com>
Cc: Daniel Jacobowitz <drow@mvista.com>, Paul Koning <pkoning@equallogic.com>, 
	binutils@sources.redhat.com, gcl-devel@gnu.org, debian-arm@lists.debian.org
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Date: Fri, 14 Jun 2002 12:34:00 -0000
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On Fri, 2002-06-14 at 20:21, Camm Maguire wrote:
> I still see this behavior even if all attempts to flush the data cache
> are removed.  Makes me think that the swi instruction is no working.
> Are there alignment requirements on the arguments?  Why aren't
> a1,a2,a3 shown in the assembly?  I've included the CLEAR_CACHE code
> and its assembly below as well.

Hmm, right, your asm() statement has a bug.  Try this one instead.

 __asm __volatile ("swi 0x9f0002	@ sys_cacheflush"	\
		    : "=r" (_beg)				\
		    : "0" (_beg), "r" (_end), "r"(_flg));	\

p.