rubytest-ruby.py revision 11670:6ce719503eae 
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
37m5.util.addToPath('../configs/common')
38m5.util.addToPath('../configs/')
39
40from ruby import Ruby
41import Options
42
43parser = optparse.OptionParser()
44Options.addCommonOptions(parser)
45
46# Add the ruby specific and protocol specific options
47Ruby.define_options(parser)
48
49(options, args) = parser.parse_args()
50
51#
52# Set the default cache size and associativity to be very small to encourage
53# races between requests and writebacks.
54#
55options.l1d_size="256B"
56options.l1i_size="256B"
57options.l2_size="512B"
58options.l3_size="1kB"
59options.l1d_assoc=2
60options.l1i_assoc=2
61options.l2_assoc=2
62options.l3_assoc=2
63options.ports=32
64
65# Turn on flush check for the hammer protocol
66check_flush = False
67if buildEnv['PROTOCOL'] == 'MOESI_hammer':
68    check_flush = True
69
70#
71# create the tester and system, including ruby
72#
73tester = RubyTester(check_flush = check_flush, checks_to_complete = 100,
74                    wakeup_frequency = 10, num_cpus = options.num_cpus)
75
76# We set the testers as cpu for ruby to find the correct clock domains
77# for the L1 Objects.
78system = System(cpu = tester)
79
80# Dummy voltage domain for all our clock domains
81system.voltage_domain = VoltageDomain(voltage = options.sys_voltage)
82system.clk_domain = SrcClockDomain(clock = '1GHz',
83                                   voltage_domain = system.voltage_domain)
84
85system.mem_ranges = AddrRange('256MB')
86
87Ruby.create_system(options, False, system)
88
89# Create a separate clock domain for Ruby
90system.ruby.clk_domain = SrcClockDomain(clock = '1GHz',
91                                        voltage_domain = system.voltage_domain)
92
93assert(options.num_cpus == len(system.ruby._cpu_ports))
94
95tester.num_cpus = len(system.ruby._cpu_ports)
96
97#
98# The tester is most effective when randomization is turned on and
99# artifical delay is randomly inserted on messages
100#
101system.ruby.randomization = True
102
103for ruby_port in system.ruby._cpu_ports:
104    #
105    # Tie the ruby tester ports to the ruby cpu read and write ports
106    #
107    if ruby_port.support_data_reqs and ruby_port.support_inst_reqs:
108        tester.cpuInstDataPort = ruby_port.slave
109    elif ruby_port.support_data_reqs:
110        tester.cpuDataPort = ruby_port.slave
111    elif ruby_port.support_inst_reqs:
112        tester.cpuInstPort = ruby_port.slave
113
114    # Do not automatically retry stalled Ruby requests
115    ruby_port.no_retry_on_stall = True
116
117    #
118    # Tell the sequencer this is the ruby tester so that it
119    # copies the subblock back to the checker
120    #
121    ruby_port.using_ruby_tester = True
122
123# -----------------------
124# run simulation
125# -----------------------
126
127root = Root(full_system = False, system = system )
128root.system.mem_mode = 'timing'
129
130# Not much point in this being higher than the L1 latency
131m5.ticks.setGlobalFrequency('1ns')
132