BasicLink.py revision 8257:7226aebb77b4 
1# Copyright (c) 2011 Advanced Micro Devices, Inc.
2# All rights reserved.
3#
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.
14#
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.
26#
27# Authors: Steve Reinhardt
28#          Brad Beckmann
29
30from m5.params import *
31from m5.SimObject import SimObject
32
33class BasicLink(SimObject):
34    type = 'BasicLink'
35    link_id = Param.Int("ID in relation to other links")
36    latency = Param.Int(1, "latency")
37    bw_multiplier = Param.Int("simple network bw constant, usually in bytes")
38    weight = Param.Int(1, "used to restrict routing in shortest path analysis")
39
40class BasicExtLink(BasicLink):
41    type = 'BasicExtLink'
42    ext_node = Param.RubyController("External node")
43    int_node = Param.BasicRouter("ID of internal node")
44    bw_multiplier = 64
45
46class BasicIntLink(BasicLink):
47    type = 'BasicIntLink'
48    node_a = Param.BasicRouter("Router on one end")
49    node_b = Param.BasicRouter("Router on other end")
50    bw_multiplier = 16
51