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Diffstat (limited to 'src/mem/ruby/network/topologies/Crossbar.py')
-rw-r--r-- | src/mem/ruby/network/topologies/Crossbar.py | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/mem/ruby/network/topologies/Crossbar.py b/src/mem/ruby/network/topologies/Crossbar.py new file mode 100644 index 000000000..18c8be251 --- /dev/null +++ b/src/mem/ruby/network/topologies/Crossbar.py @@ -0,0 +1,40 @@ +# Copyright (c) 2010 Advanced Micro Devices, Inc. +# 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: Steve Reinhardt + +from m5.params import * +from m5.objects import * + +def makeTopology(nodes, options): + ext_links = [ExtLink(ext_node=n, int_node=i) + for (i, n) in enumerate(nodes)] + xbar = len(nodes) # node ID for crossbar switch + int_links = [IntLink(node_a=i, node_b=xbar) for i in range(len(nodes))] + return Topology(ext_links=ext_links, int_links=int_links, + num_int_nodes=len(nodes)+1) + + |