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"
70 # Turn on flush check for the hammer protocol
72 if buildEnv
['PROTOCOL'] == 'MOESI_hammer':
76 # create the tester and system, including ruby
78 tester
= RubyTester(check_flush
= check_flush
, checks_to_complete
= 100,
79 wakeup_frequency
= 10, num_cpus
= options
.num_cpus
)
81 # We set the testers as cpu for ruby to find the correct clock domains
83 system
= System(cpu
= tester
)
85 # Dummy voltage domain for all our clock domains
86 system
.voltage_domain
= VoltageDomain(voltage
= options
.sys_voltage
)
87 system
.clk_domain
= SrcClockDomain(clock
= '1GHz',
88 voltage_domain
= system
.voltage_domain
)
90 system
.mem_ranges
= AddrRange('256MB')
92 Ruby
.create_system(options
, False, system
)
94 # Create a separate clock domain for Ruby
95 system
.ruby
.clk_domain
= SrcClockDomain(clock
= '1GHz',
96 voltage_domain
= system
.voltage_domain
)
98 assert(options
.num_cpus
== len(system
.ruby
._cpu
_ports
))
100 tester
.num_cpus
= len(system
.ruby
._cpu
_ports
)
103 # The tester is most effective when randomization is turned on and
104 # artifical delay is randomly inserted on messages
106 system
.ruby
.randomization
= True
108 for ruby_port
in system
.ruby
._cpu
_ports
:
110 # Tie the ruby tester ports to the ruby cpu read and write ports
112 if ruby_port
.support_data_reqs
and ruby_port
.support_inst_reqs
:
113 tester
.cpuInstDataPort
= ruby_port
.slave
114 elif ruby_port
.support_data_reqs
:
115 tester
.cpuDataPort
= ruby_port
.slave
116 elif ruby_port
.support_inst_reqs
:
117 tester
.cpuInstPort
= ruby_port
.slave
119 # Do not automatically retry stalled Ruby requests
120 ruby_port
.no_retry_on_stall
= True
123 # Tell the sequencer this is the ruby tester so that it
124 # copies the subblock back to the checker
126 ruby_port
.using_ruby_tester
= True
128 # -----------------------
130 # -----------------------
132 root
= Root(full_system
= False, system
= system
)
133 root
.system
.mem_mode
= 'timing'
135 # Not much point in this being higher than the L1 latency
136 m5
.ticks
.setGlobalFrequency('1ns')