1 # Copyright (c) 2006-2007 The Regents of The University of Michigan
2 # Copyright (c) 2009 Advanced Micro Devices, Inc.
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;
9 # redistributions in binary form must reproduce the above copyright
10 # notice, this list of conditions and the following disclaimer in the
11 # documentation and/or other materials provided with the distribution;
12 # neither the name of the copyright holders nor the names of its
13 # contributors may be used to endorse or promote products derived from
14 # this software without specific prior written permission.
16 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 # Authors: Brad Beckmann
31 from m5
.objects
import *
32 from m5
.defines
import buildEnv
33 from m5
.util
import addToPath
34 from Ruby
import create_topology
37 # Declare caches used by the protocol
39 class L1Cache(RubyCache
): pass
41 def define_options(parser
):
44 def create_system(options
, full_system
, system
, dma_ports
, ruby_system
):
46 if buildEnv
['PROTOCOL'] != 'Network_test':
47 panic("This script requires the Network_test protocol to be built.")
52 # The Garnet tester protocol does not support fs nor dma
54 assert(dma_ports
== [])
57 # The ruby network creation expects the list of nodes in the system to be
58 # consistent with the NetDest list. Therefore the l1 controller nodes must be
59 # listed before the directory nodes and directory nodes before dma nodes, etc.
65 # Must create the individual controllers before the network to ensure the
66 # controller constructors are called before the network constructor
69 for i
in xrange(options
.num_cpus
):
71 # First create the Ruby objects associated with this cpu
72 # Only one cache exists for this protocol, so by default use the L1D
75 cache
= L1Cache(size
= options
.l1d_size
,
76 assoc
= options
.l1d_assoc
)
79 # Only one unified L1 cache exists. Can cache instructions and data.
81 l1_cntrl
= L1Cache_Controller(version
= i
,
83 ruby_system
= ruby_system
)
85 cpu_seq
= RubySequencer(icache
= cache
,
87 using_network_tester
= True,
88 ruby_system
= ruby_system
)
90 l1_cntrl
.sequencer
= cpu_seq
91 exec("ruby_system.l1_cntrl%d = l1_cntrl" % i
)
93 # Add controllers and sequencers to the appropriate lists
94 cpu_sequencers
.append(cpu_seq
)
95 l1_cntrl_nodes
.append(l1_cntrl
)
97 # Connect the L1 controllers and the network
98 l1_cntrl
.mandatoryQueue
= MessageBuffer()
99 l1_cntrl
.requestFromCache
= MessageBuffer()
100 l1_cntrl
.responseFromCache
= MessageBuffer()
101 l1_cntrl
.forwardFromCache
= MessageBuffer()
104 phys_mem_size
= sum(map(lambda r
: r
.size(), system
.mem_ranges
))
105 assert(phys_mem_size
% options
.num_dirs
== 0)
106 mem_module_size
= phys_mem_size
/ options
.num_dirs
108 for i
in xrange(options
.num_dirs
):
109 dir_size
= MemorySize('0B')
110 dir_size
.value
= mem_module_size
112 dir_cntrl
= Directory_Controller(version
= i
,
114 RubyDirectoryMemory(version
= i
,
116 ruby_system
= ruby_system
)
118 exec("ruby_system.dir_cntrl%d = dir_cntrl" % i
)
119 dir_cntrl_nodes
.append(dir_cntrl
)
121 # Connect the directory controllers and the network
122 dir_cntrl
.requestToDir
= MessageBuffer()
123 dir_cntrl
.forwardToDir
= MessageBuffer()
124 dir_cntrl
.responseToDir
= MessageBuffer()
127 all_cntrls
= l1_cntrl_nodes
+ dir_cntrl_nodes
128 ruby_system
.network
.number_of_virtual_networks
= 3
129 topology
= create_topology(all_cntrls
, options
)
130 return (cpu_sequencers
, dir_cntrl_nodes
, topology
)