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Diffstat (limited to 'src/mem/cache/base_cache.cc')
-rw-r--r--src/mem/cache/base_cache.cc57
1 files changed, 26 insertions, 31 deletions
diff --git a/src/mem/cache/base_cache.cc b/src/mem/cache/base_cache.cc
index 3f7a52fab..938bd8786 100644
--- a/src/mem/cache/base_cache.cc
+++ b/src/mem/cache/base_cache.cc
@@ -44,7 +44,6 @@ BaseCache::CachePort::CachePort(const std::string &_name, BaseCache *_cache,
: Port(_name), cache(_cache), isCpuSide(_isCpuSide)
{
blocked = false;
- cshrRetry = NULL;
waitingOnRetry = false;
//Start ports at null if more than one is created we should panic
//cpuSidePort = NULL;
@@ -195,20 +194,20 @@ BaseCache::CachePort::recvRetry()
}
else
{
- assert(cshrRetry);
+ assert(cache->doSlaveRequest());
//pkt = cache->getCoherencePacket();
//We save the packet, no reordering on CSHRS
- pkt = cshrRetry;
+ pkt = cache->getCoherencePacket();
+ MSHR* cshr = (MSHR*)pkt->senderState;
bool success = sendTiming(pkt);
+ cache->sendCoherenceResult(pkt, cshr, success);
waitingOnRetry = !success;
- if (success)
+ if (success && cache->doSlaveRequest())
{
- if (cache->doSlaveRequest()) {
- //Still more to issue, rerequest in 1 cycle
- BaseCache::CacheEvent * reqCpu = new BaseCache::CacheEvent(this);
- reqCpu->schedule(curTick + 1);
- }
- cshrRetry = NULL;
+ DPRINTF(CachePort, "%s has more requests\n", name());
+ //Still more to issue, rerequest in 1 cycle
+ BaseCache::CacheEvent * reqCpu = new BaseCache::CacheEvent(this);
+ reqCpu->schedule(curTick + 1);
}
}
if (waitingOnRetry) DPRINTF(CachePort, "%s STILL Waiting on retry\n", name());
@@ -294,10 +293,12 @@ BaseCache::CacheEvent::process()
pkt->getAddr(), success ? "succesful" : "unsuccesful");
cachePort->cache->sendResult(pkt, mshr, success);
cachePort->waitingOnRetry = !success;
- if (cachePort->waitingOnRetry) DPRINTF(CachePort, "%s now waiting on a retry\n", cachePort->name());
+ if (cachePort->waitingOnRetry)
+ DPRINTF(CachePort, "%s now waiting on a retry\n", cachePort->name());
if (success && cachePort->cache->doMasterRequest())
{
- DPRINTF(CachePort, "%s still more MSHR requests to send\n", cachePort->name());
+ DPRINTF(CachePort, "%s still more MSHR requests to send\n",
+ cachePort->name());
//Still more to issue, rerequest in 1 cycle
pkt = NULL;
this->schedule(curTick+1);
@@ -306,27 +307,21 @@ BaseCache::CacheEvent::process()
else
{
//CSHR
- if (!cachePort->cshrRetry) {
- assert(cachePort->cache->doSlaveRequest());
- pkt = cachePort->cache->getCoherencePacket();
- }
- else {
- pkt = cachePort->cshrRetry;
- }
+ assert(cachePort->cache->doSlaveRequest());
+ pkt = cachePort->cache->getCoherencePacket();
+ MSHR* cshr = (MSHR*) pkt->senderState;
bool success = cachePort->sendTiming(pkt);
- if (!success) {
- //Need to send on a retry
- cachePort->cshrRetry = pkt;
- cachePort->waitingOnRetry = true;
- }
- else
+ cachePort->cache->sendResult(pkt, cshr, success);
+ cachePort->waitingOnRetry = !success;
+ if (cachePort->waitingOnRetry)
+ DPRINTF(CachePort, "%s now waiting on a retry\n", cachePort->name());
+ if (success && cachePort->cache->doSlaveRequest())
{
- cachePort->cshrRetry = NULL;
- if (cachePort->cache->doSlaveRequest()) {
- //Still more to issue, rerequest in 1 cycle
- pkt = NULL;
- this->schedule(curTick+1);
- }
+ DPRINTF(CachePort, "%s still more CSHR requests to send\n",
+ cachePort->name());
+ //Still more to issue, rerequest in 1 cycle
+ pkt = NULL;
+ this->schedule(curTick+1);
}
}
return;