1# Copyright (c) 2006-2007 The Regents of The University of Michigan
2# Copyright (c) 2009 Advanced Micro Devices, Inc.
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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26# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27#
28# Authors: Brad Beckmann
29
30import math
31import m5
32from m5.objects import *
33from m5.defines import buildEnv
34from Ruby import create_topology, create_directories
35from Ruby import send_evicts
36
37#
38# Declare caches used by the protocol
39#
40class L1Cache(RubyCache): pass
41
42def define_options(parser):

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50 cpu_sequencers = []
51
52 #
53 # The ruby network creation expects the list of nodes in the system to be
54 # consistent with the NetDest list. Therefore the l1 controller nodes must be
55 # listed before the directory nodes and directory nodes before dma nodes, etc.
56 #
57 l1_cntrl_nodes = []
58 dma_cntrl_nodes = []
59
60 #
61 # Must create the individual controllers before the network to ensure the
62 # controller constructors are called before the network constructor
63 #
64 block_size_bits = int(math.log(options.cacheline_size, 2))
65

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120
121 # Run each of the ruby memory controllers at a ratio of the frequency of
122 # the ruby system.
123 # clk_divider value is a fix to pass regression.
124 ruby_system.memctrl_clk_domain = DerivedClockDomain(
125 clk_domain=ruby_system.clk_domain,
126 clk_divider=3)
127
128 dir_cntrl_nodes = create_directories(options, system.mem_ranges,
129 ruby_system)
130 for dir_cntrl in dir_cntrl_nodes:
131 # Connect the directory controllers and the network
132 dir_cntrl.requestToDir = MessageBuffer(ordered = True)
133 dir_cntrl.requestToDir.slave = ruby_system.network.master
134 dir_cntrl.dmaRequestToDir = MessageBuffer(ordered = True)
135 dir_cntrl.dmaRequestToDir.slave = ruby_system.network.master
136
137 dir_cntrl.responseFromDir = MessageBuffer()
138 dir_cntrl.responseFromDir.master = ruby_system.network.slave

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