Make memory commands dense again to avoid cache stat table explosion.

Created MemCmd class to wrap enum and provide handy methods to
check attributes, convert to string/int, etc.

--HG--
extra : convert_revision : 57f147ad893443e3a2040c6d5b4cdb1a8033930b

3 files changed, 6 insertions, 4 deletions

diff --git a/src/cpu/o3/fetch_impl.hh b/src/cpu/o3/fetch_impl.hh
index b80fc72e1..e6a779823 100644
--- a/src/cpu/o3/fetch_impl.hh
+++ b/src/cpu/o3/fetch_impl.hh
@@ -602,7 +602,7 @@ DefaultFetch<Impl>::fetchCacheLine(Addr fetch_PC, Fault &ret_fault, unsigned tid
 
         // Build packet here.
         PacketPtr data_pkt = new Packet(mem_req,
-                                        Packet::ReadReq, Packet::Broadcast);
+                                        MemCmd::ReadReq, Packet::Broadcast);
         data_pkt->dataDynamicArray(new uint8_t[cacheBlkSize]);
 
         cacheDataPC[tid] = block_PC;
diff --git a/src/cpu/o3/lsq_unit.hh b/src/cpu/o3/lsq_unit.hh
index 9c7eb7780..2419afe29 100644
--- a/src/cpu/o3/lsq_unit.hh
+++ b/src/cpu/o3/lsq_unit.hh
@@ -574,7 +574,8 @@ LSQUnit<Impl>::read(Request *req, T &data, int load_idx)
                     "addr %#x, data %#x\n",
                     store_idx, req->getVaddr(), data);
 
-            PacketPtr data_pkt = new Packet(req, Packet::ReadReq, Packet::Broadcast);
+            PacketPtr data_pkt = new Packet(req, MemCmd::ReadReq,
+                                            Packet::Broadcast);
             data_pkt->dataStatic(load_inst->memData);
 
             WritebackEvent *wb = new WritebackEvent(load_inst, data_pkt, this);
@@ -638,7 +639,7 @@ LSQUnit<Impl>::read(Request *req, T &data, int load_idx)
     // if we the cache is not blocked, do cache access
     if (!lsq->cacheBlocked()) {
         PacketPtr data_pkt =
-            new Packet(req, Packet::ReadReq, Packet::Broadcast);
+            new Packet(req, MemCmd::ReadReq, Packet::Broadcast);
         data_pkt->dataStatic(load_inst->memData);
 
         LSQSenderState *state = new LSQSenderState;
diff --git a/src/cpu/o3/lsq_unit_impl.hh b/src/cpu/o3/lsq_unit_impl.hh
index ebd9301f6..3ba22a530 100644
--- a/src/cpu/o3/lsq_unit_impl.hh
+++ b/src/cpu/o3/lsq_unit_impl.hh
@@ -613,7 +613,8 @@ LSQUnit<Impl>::writebackStores()
                  (sizeof(TheISA::IntReg) - req->getSize()) : 0),
                 req->getSize());
 
-        PacketPtr data_pkt = new Packet(req, Packet::WriteReq, Packet::Broadcast);
+        PacketPtr data_pkt = new Packet(req, MemCmd::WriteReq,
+                                        Packet::Broadcast);
         data_pkt->dataStatic(inst->memData);
 
         LSQSenderState *state = new LSQSenderState;