1 # Copyright (c) 2011 Advanced Micro Devices, Inc.
4 # Redistribution and use in source and binary forms, with or without
5 # modification, are permitted provided that the following conditions are
6 # met: redistributions of source code must retain the above copyright
7 # notice, this list of conditions and the following disclaimer;
8 # redistributions in binary form must reproduce the above copyright
9 # notice, this list of conditions and the following disclaimer in the
10 # documentation and/or other materials provided with the distribution;
11 # neither the name of the copyright holders nor the names of its
12 # contributors may be used to endorse or promote products derived from
13 # this software without specific prior written permission.
15 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
18 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
19 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
21 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 # Authors: Steve Reinhardt
30 from m5
.params
import *
31 from m5
.SimObject
import SimObject
33 class BasicLink(SimObject
):
35 link_id
= Param
.Int("ID in relation to other links")
36 latency
= Param
.Int(1, "latency")
37 # The following banwidth factor does not translate to the same value for
38 # both the simple and Garnet models. For the most part, the bandwidth
39 # factor is the width of the link in bytes, expect for certain situations
40 # with regard to the simple network.
41 bandwidth_factor
= Param
.Int("generic bandwidth factor, usually in bytes")
42 weight
= Param
.Int(1, "used to restrict routing in shortest path analysis")
44 class BasicExtLink(BasicLink
):
46 ext_node
= Param
.RubyController("External node")
47 int_node
= Param
.BasicRouter("ID of internal node")
50 class BasicIntLink(BasicLink
):
52 node_a
= Param
.BasicRouter("Router on one end")
53 node_b
= Param
.BasicRouter("Router on other end")