Barrier Transactions in ACE

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  Christopher Tory over 6 years ago +2 verified
  I'm not sure which part of ACE barriers are unclear, but your primary reference should be Section D8 in the ACE Specification. Specifically, D8.4.1 contains a diagram and the various requirements that...
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  Christopher Tory over 6 years ago in reply to Josesmn +1
  Normally, the only reason for broadcasting barriers into the system is when you have a point in the interconnect or the slave that is returning early write responses that do not originate from the slave...
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  Christopher Tory over 6 years ago in reply to Josesmn +1 verified
  Josesmn said: 1. So in the case of a Memory Barrier, to ensure the ordering, the interconnect should pass all the transactions issued before the Barrier to the slaves before passing the Barrier itself...