rubytest-ruby.py revision 9793 
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
37# Get paths we might need.  It's expected this file is in m5/configs/example.
38config_path = os.path.dirname(os.path.abspath(__file__))
39config_root = os.path.dirname(config_path)
40m5_root = os.path.dirname(config_root)
41addToPath(config_root+'/configs/common')
42addToPath(config_root+'/configs/ruby')
43addToPath(config_root+'/configs/topologies')
44
45import Ruby
46import Options
47
48parser = optparse.OptionParser()
49Options.addCommonOptions(parser)
50
51# Add the ruby specific and protocol specific options
52Ruby.define_options(parser)
53
54(options, args) = parser.parse_args()
55
56#
57# Set the default cache size and associativity to be very small to encourage
58# races between requests and writebacks.
59#
60options.l1d_size="256B"
61options.l1i_size="256B"
62options.l2_size="512B"
63options.l3_size="1kB"
64options.l1d_assoc=2
65options.l1i_assoc=2
66options.l2_assoc=2
67options.l3_assoc=2
68
69# Turn on flush check for the hammer protocol
70check_flush = False
71if buildEnv['PROTOCOL'] == 'MOESI_hammer':
72    check_flush = True
73
74#
75# create the tester and system, including ruby
76#
77tester = RubyTester(check_flush = check_flush, checks_to_complete = 100,
78                    wakeup_frequency = 10, num_cpus = options.num_cpus)
79
80system = System(tester = tester, physmem = SimpleMemory(null = True),
81                clk_domain = SrcClockDomain(clock = options.sys_clock))
82
83Ruby.create_system(options, system)
84
85# Create a separate clock domain for Ruby
86system.ruby.clk_domain = SrcClockDomain(clock = '1GHz')
87
88assert(options.num_cpus == len(system.ruby._cpu_ruby_ports))
89
90#
91# The tester is most effective when randomization is turned on and
92# artifical delay is randomly inserted on messages
93#
94system.ruby.randomization = True
95
96for ruby_port in system.ruby._cpu_ruby_ports:
97    #
98    # Tie the ruby tester ports to the ruby cpu read and write ports
99    #
100    if ruby_port.support_data_reqs:
101         tester.cpuDataPort = ruby_port.slave
102    if ruby_port.support_inst_reqs:
103         tester.cpuInstPort = ruby_port.slave
104
105    #
106    # Tell the sequencer this is the ruby tester so that it
107    # copies the subblock back to the checker
108    #
109    ruby_port.using_ruby_tester = True
110
111# -----------------------
112# run simulation
113# -----------------------
114
115root = Root(full_system = False, system = system )
116root.system.mem_mode = 'timing'
117
118# Not much point in this being higher than the L1 latency
119m5.ticks.setGlobalFrequency('1ns')
120