rubytest-ruby.py revision 8322:19949c6de823 
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
36
37if buildEnv['FULL_SYSTEM']:
38    panic("This script requires system-emulation mode (*_SE).")
39
40# Get paths we might need.  It's expected this file is in m5/configs/example.
41config_path = os.path.dirname(os.path.abspath(__file__))
42config_root = os.path.dirname(config_path)
43m5_root = os.path.dirname(config_root)
44addToPath(config_root+'/configs/common')
45addToPath(config_root+'/configs/ruby')
46
47import Ruby
48
49parser = optparse.OptionParser()
50
51#
52# Add the ruby specific and protocol specific options
53#
54Ruby.define_options(parser)
55
56execfile(os.path.join(config_root, "configs/common", "Options.py"))
57
58(options, args) = parser.parse_args()
59
60#
61# Set the default cache size and associativity to be very small to encourage
62# races between requests and writebacks.
63#
64options.l1d_size="256B"
65options.l1i_size="256B"
66options.l2_size="512B"
67options.l3_size="1kB"
68options.l1d_assoc=2
69options.l1i_assoc=2
70options.l2_assoc=2
71options.l3_assoc=2
72
73#
74# create the tester and system, including ruby
75#
76tester = RubyTester(checks_to_complete = 100, wakeup_frequency = 10)
77
78system = System(tester = tester, physmem = PhysicalMemory())
79
80system.ruby = Ruby.create_system(options, system)
81
82assert(options.num_cpus == len(system.ruby._cpu_ruby_ports))
83
84#
85# The tester is most effective when randomization is turned on and
86# artifical delay is randomly inserted on messages
87#
88system.ruby.randomization = True
89
90for ruby_port in system.ruby._cpu_ruby_ports:
91    #
92    # Tie the ruby tester ports to the ruby cpu ports
93    #
94    tester.cpuPort = ruby_port.port
95
96    #
97    # Tell the sequencer this is the ruby tester so that it
98    # copies the subblock back to the checker
99    #
100    ruby_port.using_ruby_tester = True
101
102# -----------------------
103# run simulation
104# -----------------------
105
106root = Root( system = system )
107root.system.mem_mode = 'timing'
108
109# Not much point in this being higher than the L1 latency
110m5.ticks.setGlobalFrequency('1ns')
111