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From: Peter Grehan <grehan@FreeBSD.org>
Date: Fri, 11 Nov 2005 02:06:54 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: RELENG_6
Cc: 
Subject: cvs commit: src/sys/powerpc/powerpc pmap.c
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grehan      2005-11-11 02:06:54 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_6)
    sys/powerpc/powerpc  pmap.c 
  Log:
  MFC r1.102
  
  >  Finally (!?) get to the bottom of the mysterious G3 boot-time panics.
  >  After a number of tests using nop's to change the alignment, it was
  >  confirmed that the mtibat instructions should be cache-aligned.
  >  FreeScale app note AN2540 indicates that the isync before and after
  >  the mtdbat is the right thing to do, but sync/isync isn't required
  >  before the mtibat so it has been removed.
  >
  >  Fix by using a ".balign 32" to pull the code in question to the correct
  >  alignment.
  
  Revision  Changes    Path
  1.99.2.2  +1 -1      src/sys/powerpc/powerpc/pmap.c