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
41if buildEnv['FULL_SYSTEM']:
42 panic("This script requires system-emulation mode (*_SE).")
43
44# Get paths we might need. It's expected this file is in m5/configs/example.
45config_path = os.path.dirname(os.path.abspath(__file__))
46config_root = os.path.dirname(config_path)
47m5_root = os.path.dirname(config_root)
48
49parser = optparse.OptionParser()
50
51parser.add_option("-l", "--maxloads", metavar="N", default=0,
52 help="Stop after N loads")
53parser.add_option("--progress", type="int", default=1000,
54 metavar="NLOADS",
55 help="Progress message interval "
56 "[default: %default]")
57parser.add_option("--num-dmas", type="int", default=0, help="# of dma testers")
58
59#
60# Add the ruby specific and protocol specific options
61#
62Ruby.define_options(parser)
63
64execfile(os.path.join(config_root, "common", "Options.py"))
65
66(options, args) = parser.parse_args()
67
68#
69# Set the default cache size and associativity to be very small to encourage
70# races between requests and writebacks.
71#
72options.l1d_size="256B"
73options.l1i_size="256B"
74options.l2_size="512B"
75options.l3_size="1kB"
76options.l1d_assoc=2
77options.l1i_assoc=2
78options.l2_assoc=2
79options.l3_assoc=2
80
81if args:
82 print "Error: script doesn't take any positional arguments"
83 sys.exit(1)
84
85block_size = 64
86
87if options.num_cpus > block_size:
88 print "Error: Number of testers %d limited to %d because of false sharing" \
89 % (options.num_cpus, block_size)
90 sys.exit(1)
91
92#
93# Currently ruby does not support atomic, functional, or uncacheable accesses
94#
95cpus = [ MemTest(atomic = False, \
96 max_loads = options.maxloads, \
97 issue_dmas = False, \
98 percent_functional = 0, \
99 percent_uncacheable = 0, \
100 progress_interval = options.progress) \
101 for i in xrange(options.num_cpus) ]
102
103system = System(cpu = cpus,
104 funcmem = PhysicalMemory(),
105 physmem = PhysicalMemory())
106
107if options.num_dmas > 0:
108 dmas = [ MemTest(atomic = False, \
109 max_loads = options.maxloads, \
110 issue_dmas = True, \
111 percent_functional = 0, \
112 percent_uncacheable = 0, \
113 progress_interval = options.progress) \
114 for i in xrange(options.num_dmas) ]
115 system.dma_devices = dmas
116else:
117 dmas = []
118
119system.ruby = Ruby.create_system(options, \
120 system, \
121 dma_devices = dmas)
122
123#
124# The tester is most effective when randomization is turned on and
125# artifical delay is randomly inserted on messages
126#
127system.ruby.randomization = True
128
| 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
41if buildEnv['FULL_SYSTEM']:
42 panic("This script requires system-emulation mode (*_SE).")
43
44# Get paths we might need. It's expected this file is in m5/configs/example.
45config_path = os.path.dirname(os.path.abspath(__file__))
46config_root = os.path.dirname(config_path)
47m5_root = os.path.dirname(config_root)
48
49parser = optparse.OptionParser()
50
51parser.add_option("-l", "--maxloads", metavar="N", default=0,
52 help="Stop after N loads")
53parser.add_option("--progress", type="int", default=1000,
54 metavar="NLOADS",
55 help="Progress message interval "
56 "[default: %default]")
57parser.add_option("--num-dmas", type="int", default=0, help="# of dma testers")
58
59#
60# Add the ruby specific and protocol specific options
61#
62Ruby.define_options(parser)
63
64execfile(os.path.join(config_root, "common", "Options.py"))
65
66(options, args) = parser.parse_args()
67
68#
69# Set the default cache size and associativity to be very small to encourage
70# races between requests and writebacks.
71#
72options.l1d_size="256B"
73options.l1i_size="256B"
74options.l2_size="512B"
75options.l3_size="1kB"
76options.l1d_assoc=2
77options.l1i_assoc=2
78options.l2_assoc=2
79options.l3_assoc=2
80
81if args:
82 print "Error: script doesn't take any positional arguments"
83 sys.exit(1)
84
85block_size = 64
86
87if options.num_cpus > block_size:
88 print "Error: Number of testers %d limited to %d because of false sharing" \
89 % (options.num_cpus, block_size)
90 sys.exit(1)
91
92#
93# Currently ruby does not support atomic, functional, or uncacheable accesses
94#
95cpus = [ MemTest(atomic = False, \
96 max_loads = options.maxloads, \
97 issue_dmas = False, \
98 percent_functional = 0, \
99 percent_uncacheable = 0, \
100 progress_interval = options.progress) \
101 for i in xrange(options.num_cpus) ]
102
103system = System(cpu = cpus,
104 funcmem = PhysicalMemory(),
105 physmem = PhysicalMemory())
106
107if options.num_dmas > 0:
108 dmas = [ MemTest(atomic = False, \
109 max_loads = options.maxloads, \
110 issue_dmas = True, \
111 percent_functional = 0, \
112 percent_uncacheable = 0, \
113 progress_interval = options.progress) \
114 for i in xrange(options.num_dmas) ]
115 system.dma_devices = dmas
116else:
117 dmas = []
118
119system.ruby = Ruby.create_system(options, \
120 system, \
121 dma_devices = dmas)
122
123#
124# The tester is most effective when randomization is turned on and
125# artifical delay is randomly inserted on messages
126#
127system.ruby.randomization = True
128
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