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| author | Nikos Nikoleris <nikos.nikoleris@arm.com> | 2016-05-31 13:43:50 +0100 |
|---|---|---|
| committer | Nikos Nikoleris <nikos.nikoleris@arm.com> | 2017-12-05 11:47:01 +0000 |
| commit | 2f468fc03696a865ee2e80f01340c58b77e854f4 (patch) | |
| tree | 0d9bac84dbfebfff5aa8cb9783799c5e2ab8dce3 /src/mem/coherent_xbar.hh | |
| parent | 66909dd5a2cf4cec0732eeeb389e3ff739fe58ed (diff) | |
| download | gem5-2f468fc03696a865ee2e80f01340c58b77e854f4.tar.xz | |
mem: Add the notion of point of unification in the coherent xbar
The point of unification is the first crossbar at which the
instruction cache, the data cache and the translation table walks of
the core are guaranteed to see the same copy of a memory location.
Change-Id: Ica79b34c8ed4f1a8f2379748e8520a8f8afffa90
Reviewed-by: Curtis Dunham <curtis.dunham@arm.com>
Reviewed-by: Anouk Van Laer <anouk.vanlaer@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/5040
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>
Diffstat (limited to 'src/mem/coherent_xbar.hh')
| -rw-r--r-- | src/mem/coherent_xbar.hh | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/mem/coherent_xbar.hh b/src/mem/coherent_xbar.hh index edfc47d4b..214a29071 100644 --- a/src/mem/coherent_xbar.hh +++ b/src/mem/coherent_xbar.hh @@ -1,5 +1,5 @@ /* - * Copyright (c) 2011-2015 ARM Limited + * Copyright (c) 2011-2015, 2017 ARM Limited * All rights reserved * * The license below extends only to copyright in the software and shall @@ -278,6 +278,9 @@ class CoherentXBar : public BaseXBar /** Is this crossbar the point of coherency? **/ const bool pointOfCoherency; + /** Is this crossbar the point of unification? **/ + const bool pointOfUnification; + /** * Upstream caches need this packet until true is returned, so * hold it for deletion until a subsequent call |