# 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

from m5.objects.MemObject import MemObject
from m5.params import *
from m5.proxy import *

class GarnetSyntheticTraffic(MemObject):
    type = 'GarnetSyntheticTraffic'
    cxx_header = \
        "cpu/testers/garnet_synthetic_traffic/GarnetSyntheticTraffic.hh"
    block_offset = Param.Int(6, "block offset in bits")
    num_dest = Param.Int(1, "Number of Destinations")
    memory_size = Param.Int(65536, "memory size")
    sim_cycles = Param.Int(1000, "Number of simulation cycles")
    num_packets_max = Param.Int(-1, "Max number of packets to send. \
                        Default is to keep sending till simulation ends")
    single_sender = Param.Int(-1, "Send only from this node. \
                                   By default every node sends")
    single_dest = Param.Int(-1, "Send only to this dest. \
                                 Default depends on traffic_type")
    traffic_type = Param.String("uniform_random", "Traffic type")
    inj_rate = Param.Float(0.1, "Packet injection rate")
    inj_vnet = Param.Int(-1, "Vnet to inject in. \
                              0 and 1 are 1-flit, 2 is 5-flit. \
                                Default is to inject in all three vnets")
    precision = Param.Int(3, "Number of digits of precision \
                              after decimal point")
    response_limit = Param.Cycles(5000000, "Cycles before exiting \
                                            due to lack of progress")
    test = MasterPort("Port to the memory system to test")
    system = Param.System(Parent.any, "System we belong to")