ruby_direct_test.py revision 8931 
1# Copyright (c) 2006-2007 The Regents of The University of Michigan
2# Copyright (c) 2009 Advanced Micro Devices, Inc.
3# All rights reserved.
4#
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.
15#
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.
27#
28# Authors: Ron Dreslinski
29#          Brad Beckmann
30
31import m5
32from m5.objects import *
33from m5.defines import buildEnv
34from m5.util import addToPath
35import os, optparse, sys
36addToPath('../common')
37addToPath('../ruby')
38
39import Options
40import Ruby
41
42# Get paths we might need.  It's expected this file is in m5/configs/example.
43config_path = os.path.dirname(os.path.abspath(__file__))
44config_root = os.path.dirname(config_path)
45m5_root = os.path.dirname(config_root)
46
47parser = optparse.OptionParser()
48Options.addCommonOptions(parser)
49
50parser.add_option("-l", "--requests", metavar="N", default=100,
51                  help="Stop after N requests")
52parser.add_option("-f", "--wakeup_freq", metavar="N", default=10,
53                  help="Wakeup every N cycles")
54parser.add_option("--test-type", type="string", default="SeriesGetx",
55                  help="SeriesGetx|SeriesGets|Invalidate")
56
57#
58# Add the ruby specific and protocol specific options
59#
60Ruby.define_options(parser)
61
62execfile(os.path.join(config_root, "common", "Options.py"))
63
64(options, args) = parser.parse_args()
65
66if args:
67     print "Error: script doesn't take any positional arguments"
68     sys.exit(1)
69
70#
71# Select the direct test generator
72#
73if options.test_type == "SeriesGetx":
74    generator = SeriesRequestGenerator(num_cpus = options.num_cpus,
75                                             issue_writes = True)
76elif options.test_type == "SeriesGets":
77    generator = SeriesRequestGenerator(num_cpus = options.num_cpus,
78                                             issue_writes = False)
79elif options.test_type == "Invalidate":
80    generator = InvalidateGenerator(num_cpus = options.num_cpus)
81else:
82    print "Error: unknown direct test generator"
83    sys.exit(1)
84
85#
86# Create the M5 system.  Note that the Memory Object isn't
87# actually used by the rubytester, but is included to support the
88# M5 memory size == Ruby memory size checks
89#
90system = System(physmem = SimpleMemory())
91
92#
93# Create the ruby random tester
94#
95system.tester = RubyDirectedTester(requests_to_complete = \
96                                   options.requests,
97                                   generator = generator)
98
99Ruby.create_system(options, system)
100
101assert(options.num_cpus == len(system.ruby._cpu_ruby_ports))
102
103for ruby_port in system.ruby._cpu_ruby_ports:
104    #
105    # Tie the ruby tester ports to the ruby cpu ports
106    #
107    system.tester.cpuPort = ruby_port.slave
108
109# -----------------------
110# run simulation
111# -----------------------
112
113root = Root( full_system = False, system = system )
114root.system.mem_mode = 'timing'
115
116# Not much point in this being higher than the L1 latency
117m5.ticks.setGlobalFrequency('1ns')
118
119# instantiate configuration
120m5.instantiate()
121
122# simulate until program terminates
123exit_event = m5.simulate(options.maxtick)
124
125print 'Exiting @ tick', m5.curTick(), 'because', exit_event.getCause()
126