1# Copyright (c) 2016 Georgia Institute of Technology
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27# Authors: Tushar Krishna
28
29from __future__ import print_function
30from __future__ import absolute_import
31
32from m5.params import *
33from m5.objects import *
34
35from .BaseTopology import SimpleTopology
36
37class CrossbarGarnet(SimpleTopology):
38    description='CrossbarGarnet'
39
40    def makeTopology(self, options, network, IntLink, ExtLink, Router):
41        # Create one router in Garnet. Internally models a crossbar and
42        # the associated allocator.
43        # For simple network, use Crossbar.py
44
45        xbar = Router(router_id=0)
46        network.routers = xbar
47
48        ext_links = [ExtLink(link_id=i, ext_node=n, int_node=xbar)
49                        for (i, n) in enumerate(self.nodes)]
50        network.ext_links = ext_links
51
52        int_links = []
53        network.int_links = int_links
54