diff options
author | Riken Gohil <Riken.Gohil@arm.com> | 2017-07-12 17:33:11 +0100 |
---|---|---|
committer | Andreas Sandberg <andreas.sandberg@arm.com> | 2017-12-19 13:14:38 +0000 |
commit | 2a8e7a9ee62ec5caf1c08817005466c10a04c6e3 (patch) | |
tree | 37d20e4df6c5ce2ce0a1f5520032130a8bc5132c /src/cpu/testers/traffic_gen/base_gen.cc | |
parent | 6ab6c52b0bf9c91ef9249613cb4c9d8ab579b4f3 (diff) | |
download | gem5-2a8e7a9ee62ec5caf1c08817005466c10a04c6e3.tar.xz |
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>
Diffstat (limited to 'src/cpu/testers/traffic_gen/base_gen.cc')
-rw-r--r-- | src/cpu/testers/traffic_gen/base_gen.cc | 78 |
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; +} |