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Re: [MiNT] Fix wrong size of outgoing packets in the FEC driver

To: mint@lists.fishpool.fi
Subject: Re: [MiNT] Fix wrong size of outgoing packets in the FEC driver
From: Vincent Rivière <vincent.riviere@freesbee.fr>
Date: Fri, 05 Sep 2014 16:06:37 +0200
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On 05/09/2014 15:46, Andreas Schwab wrote:

Where is that documented?  I couldn't find any reference in the CFPRM.


http://www.freescale.com/files/32bit/doc/ref_manual/MCF5475RM.pdf

See at the bottom of page 149:

"Only the test-and-set (TAS) instruction can generate a normal mode

access with implied cache mode and precision. TAS is a special,byte-sized, read-modify-write instruction used in synchronizationroutines. A TAS data access that does not hit in the RAMBARs isnon-cacheable and precise. TAS uses the normal effective write protection."


See discussion there:
http://sourcerytools.com/pipermail/coldfire-gnu-discuss/2009-May/000639.html

--
Vincent Rivière

References:
- [MiNT] [PATCH] Fix wrong size of outgoing packets in the FEC driver
  - From: Vincent Rivière <vincent.riviere@freesbee.fr>
- Re: [MiNT] [PATCH] Fix wrong size of outgoing packets in the FEC driver
  - From: "markus@mubf.de" <markus@mubf.de>
- Re: [MiNT] Fix wrong size of outgoing packets in the FEC driver
  - From: Vincent Rivière <vincent.riviere@freesbee.fr>
- Re: [MiNT] Fix wrong size of outgoing packets in the FEC driver
  - From: "markus@mubf.de" <markus@mubf.de>
- Re: [MiNT] Fix wrong size of outgoing packets in the FEC driver
  - From: Vincent Rivière <vincent.riviere@freesbee.fr>
- Re: [MiNT] Fix wrong size of outgoing packets in the FEC driver
  - From: Andreas Schwab <schwab@linux-m68k.org>

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