1 files changed, 165 insertions, 0 deletions
diff --git a/src/cpu/testers/garnet_synthetic_traffic/GarnetSyntheticTraffic.hh b/src/cpu/testers/garnet_synthetic_traffic/GarnetSyntheticTraffic.hh
new file mode 100644
index 000000000..94eee44d7
--- /dev/null
+++ b/src/cpu/testers/garnet_synthetic_traffic/GarnetSyntheticTraffic.hh
@@ -0,0 +1,165 @@
+/*
+ * Copyright (c) 2016 Georgia Institute of Technology
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Tushar Krishna
+ */
+
+#ifndef __CPU_GARNET_SYNTHETIC_TRAFFIC_HH__
+#define __CPU_GARNET_SYNTHETIC_TRAFFIC_HH__
+
+#include <set>
+
+#include "base/statistics.hh"
+#include "mem/mem_object.hh"
+#include "mem/port.hh"
+#include "params/GarnetSyntheticTraffic.hh"
+#include "sim/eventq.hh"
+#include "sim/sim_exit.hh"
+#include "sim/sim_object.hh"
+#include "sim/stats.hh"
+
+enum TrafficType {BIT_COMPLEMENT_ = 0,
+                  BIT_REVERSE_ = 1,
+                  BIT_ROTATION_ = 2,
+                  NEIGHBOR_ = 3,
+                  SHUFFLE_ = 4,
+                  TORNADO_ = 5,
+                  TRANSPOSE_ = 6,
+                  UNIFORM_RANDOM_ = 7,
+                  NUM_TRAFFIC_PATTERNS_};
+
+class Packet;
+class GarnetSyntheticTraffic : public MemObject
+{
+  public:
+    typedef GarnetSyntheticTrafficParams Params;
+    GarnetSyntheticTraffic(const Params *p);
+
+    virtual void init();
+
+    // main simulation loop (one cycle)
+    void tick();
+
+    virtual BaseMasterPort &getMasterPort(const std::string &if_name,
+                                          PortID idx = InvalidPortID);
+
+    /**
+     * Print state of address in memory system via PrintReq (for
+     * debugging).
+     */
+    void printAddr(Addr a);
+
+  protected:
+    class TickEvent : public Event
+    {
+      private:
+        GarnetSyntheticTraffic *cpu;
+
+      public:
+        TickEvent(GarnetSyntheticTraffic *c) : Event(CPU_Tick_Pri), cpu(c) {}
+        void process() { cpu->tick(); }
+        virtual const char *description() const
+        {
+            return "GarnetSyntheticTraffic tick";
+        }
+    };
+
+    TickEvent tickEvent;
+
+    class CpuPort : public MasterPort
+    {
+        GarnetSyntheticTraffic *tester;
+
+      public:
+
+        CpuPort(const std::string &_name, GarnetSyntheticTraffic *_tester)
+            : MasterPort(_name, _tester), tester(_tester)
+        { }
+
+      protected:
+
+        virtual bool recvTimingResp(PacketPtr pkt);
+
+        virtual void recvReqRetry();
+    };
+
+    CpuPort cachePort;
+
+    class GarnetSyntheticTrafficSenderState : public Packet::SenderState
+    {
+      public:
+        /** Constructor. */
+        GarnetSyntheticTrafficSenderState(uint8_t *_data)
+            : data(_data)
+        { }
+
+        // Hold onto data pointer
+        uint8_t *data;
+    };
+
+    PacketPtr retryPkt;
+    unsigned size;
+    int id;
+
+    std::map<std::string, TrafficType> trafficStringToEnum;
+
+    unsigned blockSizeBits;
+
+    Tick noResponseCycles;
+
+    int numDestinations;
+    Tick simCycles;
+    int numPacketsMax;
+    int numPacketsSent;
+    int singleSender;
+    int singleDest;
+
+    std::string trafficType; // string
+    TrafficType traffic; // enum from string
+    double injRate;
+    int injVnet;
+    int precision;
+
+    const Cycles responseLimit;
+
+    MasterID masterId;
+
+    void completeRequest(PacketPtr pkt);
+
+    void generatePkt();
+    void sendPkt(PacketPtr pkt);
+    void initTrafficType();
+
+    void doRetry();
+
+    friend class MemCompleteEvent;
+};
+
+#endif // __CPU_GARNET_SYNTHETIC_TRAFFIC_HH__
+
+
+