ruby_direct_test.py revision 8845 
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 Ruby
40
41# Get paths we might need.  It's expected this file is in m5/configs/example.
42config_path = os.path.dirname(os.path.abspath(__file__))
43config_root = os.path.dirname(config_path)
44m5_root = os.path.dirname(config_root)
45
46parser = optparse.OptionParser()
47
48parser.add_option("-l", "--requests", metavar="N", default=100,
49                  help="Stop after N requests")
50parser.add_option("-f", "--wakeup_freq", metavar="N", default=10,
51                  help="Wakeup every N cycles")
52parser.add_option("--test-type", type="string", default="SeriesGetx",
53                  help="SeriesGetx|SeriesGets|Invalidate")
54
55#
56# Add the ruby specific and protocol specific options
57#
58Ruby.define_options(parser)
59
60execfile(os.path.join(config_root, "common", "Options.py"))
61
62(options, args) = parser.parse_args()
63
64if args:
65     print "Error: script doesn't take any positional arguments"
66     sys.exit(1)
67
68#
69# Select the direct test generator
70#
71if options.test_type == "SeriesGetx":
72    generator = SeriesRequestGenerator(num_cpus = options.num_cpus,
73                                             issue_writes = True)
74elif options.test_type == "SeriesGets":
75    generator = SeriesRequestGenerator(num_cpus = options.num_cpus,
76                                             issue_writes = False)
77elif options.test_type == "Invalidate":
78    generator = InvalidateGenerator(num_cpus = options.num_cpus)
79else:
80    print "Error: unknown direct test generator"
81    sys.exit(1)
82
83#
84# Create the M5 system.  Note that the PhysicalMemory Object isn't
85# actually used by the rubytester, but is included to support the
86# M5 memory size == Ruby memory size checks
87#
88system = System(physmem = PhysicalMemory())
89
90#
91# Create the ruby random tester
92#
93system.tester = RubyDirectedTester(requests_to_complete = \
94                                   options.requests,
95                                   generator = generator)
96
97Ruby.create_system(options, system)
98
99assert(options.num_cpus == len(system.ruby._cpu_ruby_ports))
100
101for ruby_port in system.ruby._cpu_ruby_ports:
102    #
103    # Tie the ruby tester ports to the ruby cpu ports
104    #
105    system.tester.cpuPort = ruby_port.slave
106
107# -----------------------
108# run simulation
109# -----------------------
110
111root = Root( full_system = False, system = system )
112root.system.mem_mode = 'timing'
113
114# Not much point in this being higher than the L1 latency
115m5.ticks.setGlobalFrequency('1ns')
116
117# instantiate configuration
118m5.instantiate()
119
120# simulate until program terminates
121exit_event = m5.simulate(options.maxtick)
122
123print 'Exiting @ tick', m5.curTick(), 'because', exit_event.getCause()
124