rubytest-ruby.py revision 8931
12632Sstever@eecs.umich.edu# Copyright (c) 2006-2007 The Regents of The University of Michigan
22632Sstever@eecs.umich.edu# Copyright (c) 2009 Advanced Micro Devices, Inc.
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272632Sstever@eecs.umich.edu#
282632Sstever@eecs.umich.edu# Authors: Ron Dreslinski
292632Sstever@eecs.umich.edu#          Brad Beckmann
302632Sstever@eecs.umich.edu
312632Sstever@eecs.umich.eduimport m5
326498Snate@binkert.orgfrom m5.objects import *
332632Sstever@eecs.umich.edufrom m5.defines import buildEnv
342632Sstever@eecs.umich.edufrom m5.util import addToPath
352632Sstever@eecs.umich.eduimport os, optparse, sys
366498Snate@binkert.org
376498Snate@binkert.org# Get paths we might need.  It's expected this file is in m5/configs/example.
382632Sstever@eecs.umich.educonfig_path = os.path.dirname(os.path.abspath(__file__))
396498Snate@binkert.orgconfig_root = os.path.dirname(config_path)
404479Sbinkertn@umich.edum5_root = os.path.dirname(config_root)
416498Snate@binkert.orgaddToPath(config_root+'/configs/common')
422632Sstever@eecs.umich.eduaddToPath(config_root+'/configs/ruby')
432632Sstever@eecs.umich.edu
442632Sstever@eecs.umich.eduimport Ruby
452632Sstever@eecs.umich.eduimport Options
462632Sstever@eecs.umich.edu
472632Sstever@eecs.umich.eduparser = optparse.OptionParser()
48Options.addCommonOptions(parser)
49
50# Add the ruby specific and protocol specific options
51Ruby.define_options(parser)
52
53(options, args) = parser.parse_args()
54
55#
56# Set the default cache size and associativity to be very small to encourage
57# races between requests and writebacks.
58#
59options.l1d_size="256B"
60options.l1i_size="256B"
61options.l2_size="512B"
62options.l3_size="1kB"
63options.l1d_assoc=2
64options.l1i_assoc=2
65options.l2_assoc=2
66options.l3_assoc=2
67
68#
69# create the tester and system, including ruby
70#
71tester = RubyTester(checks_to_complete = 100, wakeup_frequency = 10)
72
73system = System(tester = tester, physmem = SimpleMemory())
74
75Ruby.create_system(options, system)
76
77assert(options.num_cpus == len(system.ruby._cpu_ruby_ports))
78
79#
80# The tester is most effective when randomization is turned on and
81# artifical delay is randomly inserted on messages
82#
83system.ruby.randomization = True
84
85for ruby_port in system.ruby._cpu_ruby_ports:
86    #
87    # Tie the ruby tester ports to the ruby cpu ports
88    #
89    tester.cpuPort = ruby_port.slave
90
91    #
92    # Tell the sequencer this is the ruby tester so that it
93    # copies the subblock back to the checker
94    #
95    ruby_port.using_ruby_tester = True
96
97    #
98    # Ruby doesn't need the backing image of memory when running with
99    # the tester.
100    #
101    ruby_port.access_phys_mem = False
102
103# -----------------------
104# run simulation
105# -----------------------
106
107root = Root(full_system = False, system = system )
108root.system.mem_mode = 'timing'
109
110# Not much point in this being higher than the L1 latency
111m5.ticks.setGlobalFrequency('1ns')
112