config: make internal links in network topology unidirectional.
[gem5.git] / configs / topologies / CrossbarGarnet.py
1 # Copyright (c) 2016 Georgia Institute of Technology
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27 # Authors: Tushar Krishna
28
29 from m5.params import *
30 from m5.objects import *
31
32 from BaseTopology import SimpleTopology
33
34 class CrossbarGarnet(SimpleTopology):
35 description='CrossbarGarnet'
36
37 def makeTopology(self, options, network, IntLink, ExtLink, Router):
38 # Create one router in Garnet. Internally models a crossbar and
39 # the associated allocator.
40 # For simple network, use Crossbar.py
41
42 xbar = Router(router_id=0)
43 network.routers = xbar
44
45 ext_links = [ExtLink(link_id=i, ext_node=n, int_node=xbar)
46 for (i, n) in enumerate(self.nodes)]
47 network.ext_links = ext_links
48
49 int_links = []
50 network.int_links = int_links