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: Ron Dreslinski
32 from m5
.objects
import *
33 from m5
.defines
import buildEnv
34 from m5
.util
import addToPath
35 import os
, optparse
, sys
37 # Get paths we might need. It's expected this file is in m5/configs/example.
38 config_path
= os
.path
.dirname(os
.path
.abspath(__file__
))
39 config_root
= os
.path
.dirname(config_path
)
40 m5_root
= os
.path
.dirname(config_root
)
41 addToPath(config_root
+'/configs/common')
42 addToPath(config_root
+'/configs/ruby')
43 addToPath(config_root
+'/configs/topologies')
48 parser
= optparse
.OptionParser()
49 Options
.addCommonOptions(parser
)
51 # Add the ruby specific and protocol specific options
52 Ruby
.define_options(parser
)
54 (options
, args
) = parser
.parse_args()
57 # Set the default cache size and associativity to be very small to encourage
58 # races between requests and writebacks.
60 options
.l1d_size
="256B"
61 options
.l1i_size
="256B"
62 options
.l2_size
="512B"
69 # Turn on flush check for the hammer protocol
71 if buildEnv
['PROTOCOL'] == 'MOESI_hammer':
75 # create the tester and system, including ruby
77 tester
= RubyTester(check_flush
= check_flush
, checks_to_complete
= 100,
78 wakeup_frequency
= 10, num_cpus
= options
.num_cpus
)
80 system
= System(tester
= tester
, physmem
= SimpleMemory(null
= True))
82 Ruby
.create_system(options
, system
)
84 assert(options
.num_cpus
== len(system
.ruby
._cpu
_ruby
_ports
))
87 # The tester is most effective when randomization is turned on and
88 # artifical delay is randomly inserted on messages
90 system
.ruby
.randomization
= True
92 for ruby_port
in system
.ruby
._cpu
_ruby
_ports
:
94 # Tie the ruby tester ports to the ruby cpu read and write ports
96 if ruby_port
.support_data_reqs
:
97 tester
.cpuDataPort
= ruby_port
.slave
98 if ruby_port
.support_inst_reqs
:
99 tester
.cpuInstPort
= ruby_port
.slave
102 # Tell the sequencer this is the ruby tester so that it
103 # copies the subblock back to the checker
105 ruby_port
.using_ruby_tester
= True
107 # -----------------------
109 # -----------------------
111 root
= Root(full_system
= False, system
= system
)
112 root
.system
.mem_mode
= 'timing'
114 # Not much point in this being higher than the L1 latency
115 m5
.ticks
.setGlobalFrequency('1ns')