diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mem/cache/base_cache.cc | 32 |
1 files changed, 20 insertions, 12 deletions
diff --git a/src/mem/cache/base_cache.cc b/src/mem/cache/base_cache.cc index 4a4a81f73..3f7a52fab 100644 --- a/src/mem/cache/base_cache.cc +++ b/src/mem/cache/base_cache.cc @@ -189,7 +189,6 @@ BaseCache::CachePort::recvRetry() { DPRINTF(CachePort, "%s has more requests\n", name()); //Still more to issue, rerequest in 1 cycle - pkt = NULL; BaseCache::CacheEvent * reqCpu = new BaseCache::CacheEvent(this); reqCpu->schedule(curTick + 1); } @@ -202,12 +201,13 @@ BaseCache::CachePort::recvRetry() pkt = cshrRetry; bool success = sendTiming(pkt); waitingOnRetry = !success; - if (success && cache->doSlaveRequest()) + if (success) { - //Still more to issue, rerequest in 1 cycle - pkt = NULL; - BaseCache::CacheEvent * reqCpu = new BaseCache::CacheEvent(this); - reqCpu->schedule(curTick + 1); + if (cache->doSlaveRequest()) { + //Still more to issue, rerequest in 1 cycle + BaseCache::CacheEvent * reqCpu = new BaseCache::CacheEvent(this); + reqCpu->schedule(curTick + 1); + } cshrRetry = NULL; } } @@ -305,20 +305,28 @@ BaseCache::CacheEvent::process() } else { - assert(cachePort->cache->doSlaveRequest()); //CSHR - pkt = cachePort->cache->getCoherencePacket(); + if (!cachePort->cshrRetry) { + assert(cachePort->cache->doSlaveRequest()); + pkt = cachePort->cache->getCoherencePacket(); + } + else { + pkt = cachePort->cshrRetry; + } bool success = cachePort->sendTiming(pkt); if (!success) { //Need to send on a retry cachePort->cshrRetry = pkt; cachePort->waitingOnRetry = true; } - else if (cachePort->cache->doSlaveRequest()) + else { - //Still more to issue, rerequest in 1 cycle - pkt = NULL; - this->schedule(curTick+1); + cachePort->cshrRetry = NULL; + if (cachePort->cache->doSlaveRequest()) { + //Still more to issue, rerequest in 1 cycle + pkt = NULL; + this->schedule(curTick+1); + } } } return; |