Fix several bugs pertaining to upgrades/mem leaks.

src/mem/cache/base_cache.cc:
    Fix a bug about not having a request to send
src/mem/cache/base_cache.hh:
    Fix a bug with the blocking code
src/mem/cache/cache.hh:
    AFix a bug with snoop hits in WB buffer
src/mem/cache/cache_impl.hh:
    Fix a bug with snoop hits in WB buffer
    Also, add better DPRINTF's
src/mem/cache/miss/miss_queue.cc:
    Fix a bug with upgrades (Need to clean it up later)
src/mem/cache/miss/mshr.cc:
    Fix a memory leak bug, still some outstanding with writebacks not being deleted
src/mem/cache/miss/mshr_queue.cc:
    Fix a bug about upgrades (need to clean up later)
src/mem/packet.hh:
    Fix for newly added cmd attribute for upgrades
tests/configs/memtest.py:
    More interesting testcase

--HG--
extra : convert_revision : fcb4f17dd58b537bb4f67a8c835f50e455e8c688

1 files changed, 8 insertions, 0 deletions

diff --git a/src/mem/cache/miss/miss_queue.cc b/src/mem/cache/miss/miss_queue.cc
index bdb7a39c8..c7b0e0890 100644
--- a/src/mem/cache/miss/miss_queue.cc
+++ b/src/mem/cache/miss/miss_queue.cc
@@ -515,6 +515,14 @@ MissQueue::setBusCmd(Packet * &pkt, Packet::Command cmd)
     assert(pkt->senderState != 0);
     MSHR * mshr = (MSHR*)pkt->senderState;
     mshr->originalCmd = pkt->cmd;
+    if (cmd == Packet::UpgradeReq || cmd == Packet::InvalidateReq) {
+        pkt->flags |= NO_ALLOCATE;
+        pkt->flags &= ~CACHE_LINE_FILL;
+    }
+    else if (!pkt->req->isUncacheable() && !pkt->isNoAllocate() &&
+             (cmd & (1 << 6)/*NeedsResponse*/)) {
+        pkt->flags |= CACHE_LINE_FILL;
+    }
     if (pkt->isCacheFill() || pkt->isNoAllocate())
         pkt->cmd = cmd;
 }