1# Copyright (c) 2009 Advanced Micro Devices, Inc.
2# Copyright (c) 2016 Georgia Institute of Technology
3# All rights reserved.
4#
5# Redistribution and use in source and binary forms, with or without
6# modification, are permitted provided that the following conditions are
7# met: redistributions of source code must retain the above copyright
8# notice, this list of conditions and the following disclaimer;

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27#
28# Authors: Brad Beckmann
29# Tushar Krishna
30
31import m5
32from m5.objects import *
33from m5.defines import buildEnv
34from m5.util import addToPath
35from Ruby import create_topology, create_directories
36
37#
38# Declare caches used by the protocol
39#
40class L1Cache(RubyCache): pass
41
42def define_options(parser):
43 return

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54 assert(dma_ports == [])
55
56 #
57 # The ruby network creation expects the list of nodes in the system to be
58 # consistent with the NetDest list.
59 # Therefore the l1 controller nodes must be listed before
60 # the directory nodes and directory nodes before dma nodes, etc.
61 l1_cntrl_nodes = []
62
63 #
64 # Must create the individual controllers before the network to ensure the
65 # controller constructors are called before the network constructor
66 #
67
68 for i in xrange(options.num_cpus):
69 #

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95
96 # Connect the L1 controllers and the network
97 l1_cntrl.mandatoryQueue = MessageBuffer()
98 l1_cntrl.requestFromCache = MessageBuffer()
99 l1_cntrl.responseFromCache = MessageBuffer()
100 l1_cntrl.forwardFromCache = MessageBuffer()
101
102
103 dir_cntrl_nodes = create_directories(options, system.mem_ranges,
104 ruby_system)
105 for dir_cntrl in dir_cntrl_nodes:
106 # Connect the directory controllers and the network
107 dir_cntrl.requestToDir = MessageBuffer()
108 dir_cntrl.forwardToDir = MessageBuffer()
109 dir_cntrl.responseToDir = MessageBuffer()
110
111
112 all_cntrls = l1_cntrl_nodes + dir_cntrl_nodes
113 ruby_system.network.number_of_virtual_networks = 3
114 topology = create_topology(all_cntrls, options)
115 return (cpu_sequencers, dir_cntrl_nodes, topology)