e88e8dfb79629554c462bc73f8832ed2556d6f6e
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
=None,
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 # ruby debug cmd line options
54 parser
.add_option("--ruby-debug", action
="store_true", default
=False)
55 parser
.add_option("--ruby-debug-cycle", type="int", default
=1)
57 parser
.add_option("--recycle-latency", type="int", default
=10,
58 help="Recycle latency for ruby controller input buffers")
60 parser
.add_option("--random_seed", type="int", default
=1234,
61 help="Used for seeding the random number generator")
63 protocol
= buildEnv
['PROTOCOL']
64 exec "import %s" % protocol
65 eval("%s.define_options(parser)" % protocol
)
67 def create_system(options
, system
, piobus
= None, dma_devices
= []):
69 protocol
= buildEnv
['PROTOCOL']
70 exec "import %s" % protocol
72 (cpu_sequencers
, dir_cntrls
, all_cntrls
) = \
73 eval("%s.create_system(options, system, piobus, dma_devices)" \
76 print "Error: could not create sytem for ruby protocol %s" % protocol
80 # Important: the topology must be created before the network and after the
83 exec "import %s" % options
.topology
85 net_topology
= eval("%s.makeTopology(all_cntrls, options)" \
88 print "Error: could not create topology %s" % options
.topology
91 if options
.garnet_network
== "fixed":
92 network
= GarnetNetwork_d(topology
= net_topology
)
93 elif options
.garnet_network
== "flexible":
94 network
= GarnetNetwork(topology
= net_topology
)
96 network
= SimpleNetwork(topology
= net_topology
)
99 # Loop through the directory controlers.
100 # Determine the total memory size of the ruby system and verify it is equal
101 # to physmem. However, if Ruby memory is using sparse memory in SE
102 # mode, then the system should not back-up the memory state with
103 # the Memory Vector and thus the memory size bytes should stay at 0.
104 # Also set the numa bits to the appropriate values.
106 total_mem_size
= MemorySize('0B')
108 dir_bits
= int(math
.log(options
.num_dirs
, 2))
110 if options
.numa_high_bit
:
111 numa_bit
= options
.numa_high_bit
113 # if not specified, use the lowest bits above the block offest
115 # add 5 because bits 0-5 are the block offset
116 numa_bit
= dir_bits
+ 5
120 for dir_cntrl
in dir_cntrls
:
121 total_mem_size
.value
+= dir_cntrl
.directory
.size
.value
122 dir_cntrl
.directory
.numa_high_bit
= numa_bit
124 physmem_size
= long(system
.physmem
.range.second
) - \
125 long(system
.physmem
.range.first
) + 1
126 assert(total_mem_size
.value
== physmem_size
)
128 ruby_profiler
= RubyProfiler(num_of_sequencers
= len(cpu_sequencers
))
130 ruby
= RubySystem(clock
= options
.clock
,
132 profiler
= ruby_profiler
,
133 tracer
= RubyTracer(),
134 debug
= RubyDebug(filter_string
= 'none',
135 verbosity_string
= 'none',
136 protocol_trace
= options
.ruby_debug
,
137 start_time
= options
.ruby_debug_cycle
),
138 mem_size
= total_mem_size
)
140 ruby
.cpu_ruby_ports
= cpu_sequencers
141 ruby
.random_seed
= options
.random_seed