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authorSteve Reinhardt <stever@gmail.com>2008-01-02 15:22:38 -0800
committerSteve Reinhardt <stever@gmail.com>2008-01-02 15:22:38 -0800
commit6c5a3ab8b28ae14e1f1c37076b7370b37c70de62 (patch)
treed89626ebae1a7b4a14f41fe6b33d01dbcb78bdc2 /src/mem/packet.hh
parentbf9b3821bda5f534a44b176c0ed738a17cb9b80a (diff)
downloadgem5-6c5a3ab8b28ae14e1f1c37076b7370b37c70de62.tar.xz
Add ReadRespWithInvalidate to handle multi-level coherence situation
where we defer a response to a read from a far-away cache A, then later defer a ReadExcl from a cache B on the same bus as us. We'll assert MemInhibit in both cases, but in the latter case MemInhibit will keep the invalidation from reaching cache A. This special response tells cache A that it gets the block to satisfy its read, but must immediately invalidate it. --HG-- extra : convert_revision : f85c8b47bb30232da37ac861b50a6539dc81161b
Diffstat (limited to 'src/mem/packet.hh')
-rw-r--r--src/mem/packet.hh1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/mem/packet.hh b/src/mem/packet.hh
index 30ef71507..05442b369 100644
--- a/src/mem/packet.hh
+++ b/src/mem/packet.hh
@@ -66,6 +66,7 @@ class MemCmd
InvalidCmd,
ReadReq,
ReadResp,
+ ReadRespWithInvalidate,
WriteReq,
WriteResp,
Writeback,