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| author | Nikos Nikoleris <nikos.nikoleris@arm.com> | 2016-05-31 18:03:42 +0100 |
|---|---|---|
| committer | Nikos Nikoleris <nikos.nikoleris@arm.com> | 2017-12-05 11:47:01 +0000 |
| commit | 2f6d69ee08bd92d9fcfb9b78f84b2d7c0ba113d0 (patch) | |
| tree | 8c4a2a779948fd5a9cac10635627e1e6075cf4b1 /src/mem/cache/cache.hh | |
| parent | d8afb8679301392561f4255edb9789d22aec5a2e (diff) | |
| download | gem5-2f6d69ee08bd92d9fcfb9b78f84b2d7c0ba113d0.tar.xz | |
mem: Add support for WriteClean packets in the memory system
This change adds support for creating and handling WriteClean
packets. The WriteClean operation is almost identical to a
WritebackDirty with the exception that the cache generating a
WriteClean retains a copy of the block.
Change-Id: I63c8de62919fad0f9547d412f8266aa4292ebecd
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Curtis Dunham <curtis.dunham@arm.com>
Reviewed-by: Anouk Van Laer <anouk.vanlaer@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/5045
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>
Diffstat (limited to 'src/mem/cache/cache.hh')
| -rw-r--r-- | src/mem/cache/cache.hh | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/mem/cache/cache.hh b/src/mem/cache/cache.hh index 790c685f4..bbbda500b 100644 --- a/src/mem/cache/cache.hh +++ b/src/mem/cache/cache.hh @@ -1,5 +1,5 @@ /* - * Copyright (c) 2012-2016 ARM Limited + * Copyright (c) 2012-2017 ARM Limited * All rights reserved. * * The license below extends only to copyright in the software and shall @@ -453,6 +453,13 @@ class Cache : public BaseCache PacketPtr writebackBlk(CacheBlk *blk); /** + * Create a writeclean request for the given block. + * @param blk The block to write clean + * @return The write clean packet for the block. + */ + PacketPtr writecleanBlk(CacheBlk *blk); + + /** * Create a CleanEvict request for the given block. * @param blk The block to evict. * @return The CleanEvict request for the block. |