3c58dfd2fb4b6e77efe2068041eb94d99511b59a
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
32 from m5
.objects
import *
33 from m5
.defines
import buildEnv
35 def define_options(parser
):
36 # ruby network options
37 parser
.add_option("--topology", type="string", default
="Crossbar",
38 help="check src/mem/ruby/network/topologies for complete set")
39 parser
.add_option("--mesh-rows", type="int", default
=1,
40 help="the number of rows in the mesh topology")
41 parser
.add_option("--garnet-network", type="string", default
=None,
42 help="'fixed'|'flexible'")
44 # ruby mapping options
45 parser
.add_option("--numa-high-bit", type="int", default
=0,
46 help="high order address bit to use for numa mapping. " \
47 "0 = highest bit, not specified = lowest bit")
49 # ruby sparse memory options
50 parser
.add_option("--use-map", action
="store_true", default
=False)
51 parser
.add_option("--map-levels", type="int", default
=4)
53 parser
.add_option("--recycle-latency", type="int", default
=10,
54 help="Recycle latency for ruby controller input buffers")
56 parser
.add_option("--random_seed", type="int", default
=1234,
57 help="Used for seeding the random number generator")
59 protocol
= buildEnv
['PROTOCOL']
60 exec "import %s" % protocol
61 eval("%s.define_options(parser)" % protocol
)
63 def create_system(options
, system
, piobus
= None, dma_devices
= []):
65 protocol
= buildEnv
['PROTOCOL']
66 exec "import %s" % protocol
68 (cpu_sequencers
, dir_cntrls
, all_cntrls
) = \
69 eval("%s.create_system(options, system, piobus, dma_devices)" \
72 print "Error: could not create sytem for ruby protocol %s" % protocol
76 # Set the network classes based on the command line options
78 if options
.garnet_network
== "fixed":
79 class NetworkClass(GarnetNetwork_d
): pass
80 class IntLinkClass(GarnetIntLink_d
): pass
81 class ExtLinkClass(GarnetExtLink_d
): pass
82 class RouterClass(GarnetRouter_d
): pass
83 elif options
.garnet_network
== "flexible":
84 class NetworkClass(GarnetNetwork
): pass
85 class IntLinkClass(GarnetIntLink
): pass
86 class ExtLinkClass(GarnetExtLink
): pass
87 class RouterClass(GarnetRouter
): pass
89 class NetworkClass(SimpleNetwork
): pass
90 class IntLinkClass(SimpleIntLink
): pass
91 class ExtLinkClass(SimpleExtLink
): pass
92 class RouterClass(BasicRouter
): pass
95 # Important: the topology must be created before the network and after the
98 exec "import %s" % options
.topology
100 net_topology
= eval("%s.makeTopology(all_cntrls, options, \
101 IntLinkClass, ExtLinkClass, \
105 print "Error: could not create topology %s" % options
.topology
108 network
= NetworkClass(topology
= net_topology
)
111 # Loop through the directory controlers.
112 # Determine the total memory size of the ruby system and verify it is equal
113 # to physmem. However, if Ruby memory is using sparse memory in SE
114 # mode, then the system should not back-up the memory state with
115 # the Memory Vector and thus the memory size bytes should stay at 0.
116 # Also set the numa bits to the appropriate values.
118 total_mem_size
= MemorySize('0B')
120 dir_bits
= int(math
.log(options
.num_dirs
, 2))
122 if options
.numa_high_bit
:
123 numa_bit
= options
.numa_high_bit
125 # if not specified, use the lowest bits above the block offest
127 # add 5 because bits 0-5 are the block offset
128 numa_bit
= dir_bits
+ 5
132 for dir_cntrl
in dir_cntrls
:
133 total_mem_size
.value
+= dir_cntrl
.directory
.size
.value
134 dir_cntrl
.directory
.numa_high_bit
= numa_bit
136 physmem_size
= long(system
.physmem
.range.second
) - \
137 long(system
.physmem
.range.first
) + 1
138 assert(total_mem_size
.value
== physmem_size
)
140 ruby_profiler
= RubyProfiler(num_of_sequencers
= len(cpu_sequencers
))
142 ruby
= RubySystem(clock
= options
.clock
,
144 profiler
= ruby_profiler
,
145 tracer
= RubyTracer(),
146 mem_size
= total_mem_size
)
148 ruby
._cpu
_ruby
_ports
= cpu_sequencers
149 ruby
.random_seed
= options
.random_seed