diff options
Diffstat (limited to 'src/mem/cache/coherence')
-rw-r--r-- | src/mem/cache/coherence/simple_coherence.hh | 12 | ||||
-rw-r--r-- | src/mem/cache/coherence/uni_coherence.cc | 30 | ||||
-rw-r--r-- | src/mem/cache/coherence/uni_coherence.hh | 8 |
3 files changed, 40 insertions, 10 deletions
diff --git a/src/mem/cache/coherence/simple_coherence.hh b/src/mem/cache/coherence/simple_coherence.hh index 71d8f36f4..a356b3ecc 100644 --- a/src/mem/cache/coherence/simple_coherence.hh +++ b/src/mem/cache/coherence/simple_coherence.hh @@ -95,6 +95,18 @@ class SimpleCoherence } /** + * Was the CSHR request was sent successfully? + * @param pkt The request. + * @param success True if the request was sent successfully. + */ + void sendResult(Packet * &pkt, MSHR* cshr, bool success) + { + //Don't do coherence + return; + } + + + /** * Return the proper state given the current state and the bus response. * @param pkt The bus response. * @param current The current block state. diff --git a/src/mem/cache/coherence/uni_coherence.cc b/src/mem/cache/coherence/uni_coherence.cc index 0efe393f9..751de4801 100644 --- a/src/mem/cache/coherence/uni_coherence.cc +++ b/src/mem/cache/coherence/uni_coherence.cc @@ -43,20 +43,30 @@ UniCoherence::UniCoherence() Packet * UniCoherence::getPacket() { - bool unblock = cshrs.isFull(); Packet* pkt = cshrs.getReq(); - cshrs.markInService((MSHR*)pkt->senderState); - if (!cshrs.havePending()) { - cache->clearSlaveRequest(Request_Coherence); - } - if (unblock) { - //since CSHRs are always used as buffers, should always get rid of one - assert(!cshrs.isFull()); - cache->clearBlocked(Blocked_Coherence); - } return pkt; } +void +UniCoherence::sendResult(Packet * &pkt, MSHR* cshr, bool success) +{ + if (success) + { + bool unblock = cshrs.isFull(); + cshrs.markInService(cshr); + if (!cshrs.havePending()) { + cache->clearSlaveRequest(Request_Coherence); + } + cshrs.deallocate(cshr); + if (unblock) { + //since CSHRs are always used as buffers, should always get rid of one + assert(!cshrs.isFull()); + cache->clearBlocked(Blocked_Coherence); + } + } +} + + /** * @todo add support for returning slave requests, not doing them here. */ diff --git a/src/mem/cache/coherence/uni_coherence.hh b/src/mem/cache/coherence/uni_coherence.hh index 27b6c7fb5..60da7a36e 100644 --- a/src/mem/cache/coherence/uni_coherence.hh +++ b/src/mem/cache/coherence/uni_coherence.hh @@ -108,6 +108,7 @@ class UniCoherence else return BlkValid | BlkWritable; } + /** * Return outstanding invalidate to forward. * @return The next invalidate to forward to lower levels of cache. @@ -115,6 +116,13 @@ class UniCoherence Packet * getPacket(); /** + * Was the CSHR request was sent successfully? + * @param pkt The request. + * @param success True if the request was sent successfully. + */ + void sendResult(Packet * &pkt, MSHR* cshr, bool success); + + /** * Handle snooped bus requests. * @param pkt The snooped bus request. * @param blk The cache block corresponding to the request, if any. |