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
36 addToPath('../common')
41 if buildEnv
['FULL_SYSTEM']:
42 panic("This script requires system-emulation mode (*_SE).")
44 # Get paths we might need. It's expected this file is in m5/configs/example.
45 config_path
= os
.path
.dirname(os
.path
.abspath(__file__
))
46 config_root
= os
.path
.dirname(config_path
)
47 m5_root
= os
.path
.dirname(config_root
)
49 parser
= optparse
.OptionParser()
51 parser
.add_option("-l", "--checks", metavar
="N", default
=100,
52 help="Stop after N checks (loads)")
53 parser
.add_option("-f", "--wakeup_freq", metavar
="N", default
=10,
54 help="Wakeup every N cycles")
57 # Add the ruby specific and protocol specific options
59 Ruby
.define_options(parser
)
61 execfile(os
.path
.join(config_root
, "common", "Options.py"))
63 (options
, args
) = parser
.parse_args()
66 # Set the default cache size and associativity to be very small to encourage
67 # races between requests and writebacks.
69 options
.l1d_size
="256B"
70 options
.l1i_size
="256B"
71 options
.l2_size
="512B"
79 print "Error: script doesn't take any positional arguments"
83 # Create the ruby random tester
85 tester
= RubyTester(checks_to_complete
= options
.checks
,
86 wakeup_frequency
= options
.wakeup_freq
)
89 # Create the M5 system. Note that the PhysicalMemory Object isn't
90 # actually used by the rubytester, but is included to support the
91 # M5 memory size == Ruby memory size checks
93 system
= System(tester
= tester
, physmem
= PhysicalMemory())
95 system
.ruby
= Ruby
.create_system(options
, system
)
97 assert(options
.num_cpus
== len(system
.ruby
.cpu_ruby_ports
))
100 # The tester is most effective when randomization is turned on and
101 # artifical delay is randomly inserted on messages
103 system
.ruby
.randomization
= True
105 for ruby_port
in system
.ruby
.cpu_ruby_ports
:
107 # Tie the ruby tester ports to the ruby cpu ports
109 tester
.cpuPort
= ruby_port
.port
112 # Tell each sequencer this is the ruby tester so that it
113 # copies the subblock back to the checker
115 ruby_port
.using_ruby_tester
= True
117 # -----------------------
119 # -----------------------
121 root
= Root( system
= system
)
122 root
.system
.mem_mode
= 'timing'
124 # Not much point in this being higher than the L1 latency
125 m5
.ticks
.setGlobalFrequency('1ns')
127 # instantiate configuration
130 # simulate until program terminates
131 exit_event
= m5
.simulate(options
.maxtick
)
133 print 'Exiting @ tick', m5
.curTick(), 'because', exit_event
.getCause()