1# Copyright (c) 2012 ARM Limited
2# All rights reserved.
3#
4# The license below extends only to copyright in the software and shall
5# not be construed as granting a license to any other intellectual
6# property including but not limited to intellectual property relating
7# to a hardware implementation of the functionality of the software
8# licensed hereunder. You may use the software subject to the license

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56
57import Options
58import Ruby
59import Simulation
60import CacheConfig
61from Caches import *
62from cpu2000 import *
63
64def get_processes(options):
65 """Interprets provided options and returns a list of processes"""
66
67 multiprocesses = []
68 inputs = []
69 outputs = []
70 errouts = []
71 pargs = []
72
73 workloads = options.cmd.split(';')
74 if options.input != "":
75 inputs = options.input.split(';')
76 if options.output != "":
77 outputs = options.output.split(';')
78 if options.errout != "":
79 errouts = options.errout.split(';')
80 if options.options != "":
81 pargs = options.options.split(';')
82
83 idx = 0
84 for wrkld in workloads:
85 process = LiveProcess()
86 process.executable = wrkld
87
88 if len(pargs) > idx:
89 process.cmd = [wrkld] + [" "] + [pargs[idx]]
90 else:
91 process.cmd = [wrkld]
92
93 if len(inputs) > idx:
94 process.input = inputs[idx]
95 if len(outputs) > idx:
96 process.output = outputs[idx]
97 if len(errouts) > idx:
98 process.errout = errouts[idx]
99
100 multiprocesses.append(process)
101 idx += 1
102
103 if options.smt:
104 assert(options.cpu_type == "detailed" or options.cpu_type == "inorder")
105 return multiprocesses, idx
106 else:
107 return multiprocesses, 1
108
109
110parser = optparse.OptionParser()
111Options.addCommonOptions(parser)
112Options.addSEOptions(parser)
113
114if '--ruby' in sys.argv:
115 Ruby.define_options(parser)
116
117(options, args) = parser.parse_args()
118
119if args:
120 print "Error: script doesn't take any positional arguments"
121 sys.exit(1)
122
123multiprocesses = []
124numThreads = 1
125
126if options.bench:
127 apps = options.bench.split("-")
128 if len(apps) != options.num_cpus:
129 print "number of benchmarks not equal to set num_cpus!"
130 sys.exit(1)
131
132 for app in apps:
133 try:
134 if buildEnv['TARGET_ISA'] == 'alpha':
135 exec("workload = %s('alpha', 'tru64', 'ref')" % app)
136 else:
137 exec("workload = %s(buildEnv['TARGET_ISA'], 'linux', 'ref')" % app)
138 multiprocesses.append(workload.makeLiveProcess())
139 except:
140 print >>sys.stderr, "Unable to find workload for %s: %s" % (buildEnv['TARGET_ISA'], app)
141 sys.exit(1)
142elif options.cmd:
143 multiprocesses, numThreads = get_processes(options)
144else:
145 print >> sys.stderr, "No workload specified. Exiting!\n"
146 sys.exit(1)
147
148
149(CPUClass, test_mem_mode, FutureClass) = Simulation.setCPUClass(options)
150CPUClass.clock = options.clock
151CPUClass.numThreads = numThreads
152
153# Check -- do not allow SMT with multiple CPUs
154if options.smt and options.num_cpus > 1:
155 fatal("You cannot use SMT with multiple CPUs!")
156
157np = options.num_cpus
158system = System(cpu = [CPUClass(cpu_id=i) for i in xrange(np)],
159 physmem = SimpleMemory(range=AddrRange("512MB")),
160 membus = CoherentBus(), mem_mode = test_mem_mode)
161
162# Sanity check
163if options.fastmem and (options.caches or options.l2cache):
164 fatal("You cannot use fastmem in combination with caches!")
165
166for i in xrange(np):
167 if options.smt:
168 system.cpu[i].workload = multiprocesses
169 elif len(multiprocesses) == 1:
170 system.cpu[i].workload = multiprocesses[0]
171 else:
172 system.cpu[i].workload = multiprocesses[i]
173
174 if options.fastmem:
175 system.cpu[i].fastmem = True
176
177 if options.checker:

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