cpu-tester: Refactoring traffic generators into separate files.

Change-Id: I2372a0a88e276dcb0c06c3d0a789e010cfba8013
Reviewed-by: Matteo Andreozzi <matteo.andreozzi@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/5722
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>

1 files changed, 78 insertions, 0 deletions

diff --git a/src/cpu/testers/traffic_gen/base_gen.cc b/src/cpu/testers/traffic_gen/base_gen.cc
new file mode 100644
index 000000000..cd568f151
--- /dev/null
+++ b/src/cpu/testers/traffic_gen/base_gen.cc
@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 2012-2013, 2016-2017 ARM Limited
+ * All rights reserved
+ *
+ * The license below extends only to copyright in the software and shall
+ * not be construed as granting a license to any other intellectual
+ * property including but not limited to intellectual property relating
+ * to a hardware implementation of the functionality of the software
+ * licensed here under.  You may use the software subject to the license
+ * terms below provided that you ensure that this notice is replicated
+ * unmodified and in its entirety in all distributions of the software,
+ * modified or unmodified, in source code or in binary form.
+ *
+ * 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: Thomas Grass
+ *          Andreas Hansson
+ *          Sascha Bischoff
+ *          Neha Agarwal
+ */
+
+#include "cpu/testers/traffic_gen/base_gen.hh"
+
+#include <algorithm>
+
+#include "base/random.hh"
+#include "base/trace.hh"
+#include "debug/TrafficGen.hh"
+#include "proto/packet.pb.h"
+
+BaseGen::BaseGen(const std::string& _name, MasterID master_id, Tick _duration)
+    : _name(_name), masterID(master_id), duration(_duration)
+{
+}
+
+PacketPtr
+BaseGen::getPacket(Addr addr, unsigned size, const MemCmd& cmd,
+                   Request::FlagsType flags)
+{
+    // Create new request
+    Request *req = new Request(addr, size, flags, masterID);
+    // Dummy PC to have PC-based prefetchers latch on; get entropy into higher
+    // bits
+    req->setPC(((Addr)masterID) << 2);
+
+    // Embed it in a packet
+    PacketPtr pkt = new Packet(req, cmd);
+
+    uint8_t* pkt_data = new uint8_t[req->getSize()];
+    pkt->dataDynamic(pkt_data);
+
+    if (cmd.isWrite()) {
+        std::fill_n(pkt_data, req->getSize(), (uint8_t)masterID);
+    }
+
+    return pkt;
+}