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MOESI_hammer: fixed dir bug counting received acks

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This commit is contained in:
Brad Beckmann 2011-02-06 22:14:19 -08:00
parent 7edab47448
commit 5c2f4937b3
1 changed files with 7 additions and 6 deletions
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13
src/mem/protocol/MOESI_hammer-dir.sm
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@ -581,7 +581,13 @@ machine(Directory, "AMD Hammer-like protocol")
// directory DMA requests must wait for acks from all LLC caches, so
// only decrement by 1.
//
tbe.NumPendingMsgs := tbe.NumPendingMsgs - 1;
if ((in_msg.Type == CoherenceResponseType:DATA_SHARED) ||
(in_msg.Type == CoherenceResponseType:DATA) ||
(in_msg.Type == CoherenceResponseType:DATA_EXCLUSIVE)) {
tbe.NumPendingMsgs := tbe.NumPendingMsgs - 1;
} else {
tbe.NumPendingMsgs := tbe.NumPendingMsgs - in_msg.Acks;
}
DPRINTF(RubySlicc, "%d\n", tbe.NumPendingMsgs);
}
}
@ -591,11 +597,6 @@ machine(Directory, "AMD Hammer-like protocol")
assert(is_valid(tbe));
assert(in_msg.Type == CoherenceResponseType:UNBLOCKS);
DPRINTF(RubySlicc, "%d\n", tbe.NumPendingMsgs);
//
// Note that cache data responses will have an ack count of 2. However,
// directory DMA requests must wait for acks from all LLC caches, so
// only decrement by 1.
//
tbe.NumPendingMsgs := tbe.NumPendingMsgs - 1;
DPRINTF(RubySlicc, "%d\n", tbe.NumPendingMsgs);
}