Fixes to hitLatency, blocking, buffer allocation.

Single-cpu timing mode seems to work now.

--HG--
extra : convert_revision : 720f6172df18a1c941e5bd0e8fdfbd686c13c7ad

src/mem/cache/base_cache.cc

@@ -54,6 +54,7 @@ BaseCache::BaseCache(const std::string &name, Params &params)
       writeBuffer(params.numWriteBuffers, params.numMSHRs+1000,
                   MSHRQueue_WriteBuffer),
       blkSize(params.blkSize),
+      hitLatency(params.hitLatency),
       numTarget(params.numTargets),
       blocked(0),
       noTargetMSHR(NULL),