1# Copyright (c) 2005 The Regents of The University of Michigan
2# Copyright (c) 2010 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: Nathan Binkert
29# Steve Reinhardt
30
31import atexit
32import os
33import sys
34
35# import the SWIG-wrapped main C++ functions
36import internal
37import core
38import stats
39import SimObject
40import ticks
41import objects
42from util import fatal
43
44# define a MaxTick parameter
45MaxTick = 2**63 - 1
46
47# The final hook to generate .ini files. Called from the user script
48# once the config is built.
49def instantiate(ckpt_dir=None):
50 from m5 import options
51
52 root = objects.Root.getInstance()
53
54 if not root:
55 fatal("Need to instantiate Root() before calling instantiate()")
56
57 # we need to fix the global frequency
58 ticks.fixGlobalFrequency()
59
60 # Make sure SimObject-valued params are in the configuration
61 # hierarchy so we catch them with future descendants() walks
62 for obj in root.descendants(): obj.adoptOrphanParams()
63
64 # Unproxy in sorted order for determinism
65 for obj in root.descendants(): obj.unproxyParams()
66
67 if options.dump_config:
68 ini_file = file(os.path.join(options.outdir, options.dump_config), 'w')
69 # Print ini sections in sorted order for easier diffing
70 for obj in sorted(root.descendants(), key=lambda o: o.path()):
71 obj.print_ini(ini_file)
72 ini_file.close()
73
74 # Initialize the global statistics
75 stats.initSimStats()
76
77 # Create the C++ sim objects and connect ports
78 for obj in root.descendants(): obj.createCCObject()
79 for obj in root.descendants(): obj.connectPorts()
80
81 # Do a second pass to finish initializing the sim objects
82 for obj in root.descendants(): obj.init()
83
84 # Do a third pass to initialize statistics
85 for obj in root.descendants(): obj.regStats()
86 for obj in root.descendants(): obj.regFormulas()
87
88 # We're done registering statistics. Enable the stats package now.
89 stats.enable()
90
91 # Restore checkpoint (if any)
92 if ckpt_dir:
93 ckpt = internal.core.getCheckpoint(ckpt_dir)
94 internal.core.unserializeGlobals(ckpt);
95 for obj in root.descendants(): obj.loadState(ckpt)
96 need_resume.append(root)
97 else:
98 for obj in root.descendants(): obj.initState()
99
100 # Reset to put the stats in a consistent state.
101 stats.reset()
102
103def doDot(root):
104 dot = pydot.Dot()
105 instance.outputDot(dot)
106 dot.orientation = "portrait"
107 dot.size = "8.5,11"
108 dot.ranksep="equally"
109 dot.rank="samerank"
110 dot.write("config.dot")
111 dot.write_ps("config.ps")
112
113need_resume = []
114need_startup = True
115def simulate(*args, **kwargs):
116 global need_resume, need_startup
117
118 if need_startup:
119 root = objects.Root.getInstance()
120 for obj in root.descendants(): obj.startup()
121 need_startup = False
122
123 for root in need_resume:
124 resume(root)
125 need_resume = []
126
127 return internal.event.simulate(*args, **kwargs)
128
129# Export curTick to user script.
130def curTick():
131 return internal.core.curTick()
132
133# Python exit handlers happen in reverse order. We want to dump stats last.
| 1# Copyright (c) 2005 The Regents of The University of Michigan
2# Copyright (c) 2010 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: Nathan Binkert
29# Steve Reinhardt
30
31import atexit
32import os
33import sys
34
35# import the SWIG-wrapped main C++ functions
36import internal
37import core
38import stats
39import SimObject
40import ticks
41import objects
42from util import fatal
43
44# define a MaxTick parameter
45MaxTick = 2**63 - 1
46
47# The final hook to generate .ini files. Called from the user script
48# once the config is built.
49def instantiate(ckpt_dir=None):
50 from m5 import options
51
52 root = objects.Root.getInstance()
53
54 if not root:
55 fatal("Need to instantiate Root() before calling instantiate()")
56
57 # we need to fix the global frequency
58 ticks.fixGlobalFrequency()
59
60 # Make sure SimObject-valued params are in the configuration
61 # hierarchy so we catch them with future descendants() walks
62 for obj in root.descendants(): obj.adoptOrphanParams()
63
64 # Unproxy in sorted order for determinism
65 for obj in root.descendants(): obj.unproxyParams()
66
67 if options.dump_config:
68 ini_file = file(os.path.join(options.outdir, options.dump_config), 'w')
69 # Print ini sections in sorted order for easier diffing
70 for obj in sorted(root.descendants(), key=lambda o: o.path()):
71 obj.print_ini(ini_file)
72 ini_file.close()
73
74 # Initialize the global statistics
75 stats.initSimStats()
76
77 # Create the C++ sim objects and connect ports
78 for obj in root.descendants(): obj.createCCObject()
79 for obj in root.descendants(): obj.connectPorts()
80
81 # Do a second pass to finish initializing the sim objects
82 for obj in root.descendants(): obj.init()
83
84 # Do a third pass to initialize statistics
85 for obj in root.descendants(): obj.regStats()
86 for obj in root.descendants(): obj.regFormulas()
87
88 # We're done registering statistics. Enable the stats package now.
89 stats.enable()
90
91 # Restore checkpoint (if any)
92 if ckpt_dir:
93 ckpt = internal.core.getCheckpoint(ckpt_dir)
94 internal.core.unserializeGlobals(ckpt);
95 for obj in root.descendants(): obj.loadState(ckpt)
96 need_resume.append(root)
97 else:
98 for obj in root.descendants(): obj.initState()
99
100 # Reset to put the stats in a consistent state.
101 stats.reset()
102
103def doDot(root):
104 dot = pydot.Dot()
105 instance.outputDot(dot)
106 dot.orientation = "portrait"
107 dot.size = "8.5,11"
108 dot.ranksep="equally"
109 dot.rank="samerank"
110 dot.write("config.dot")
111 dot.write_ps("config.ps")
112
113need_resume = []
114need_startup = True
115def simulate(*args, **kwargs):
116 global need_resume, need_startup
117
118 if need_startup:
119 root = objects.Root.getInstance()
120 for obj in root.descendants(): obj.startup()
121 need_startup = False
122
123 for root in need_resume:
124 resume(root)
125 need_resume = []
126
127 return internal.event.simulate(*args, **kwargs)
128
129# Export curTick to user script.
130def curTick():
131 return internal.core.curTick()
132
133# Python exit handlers happen in reverse order. We want to dump stats last.
|
135
136# register our C++ exit callback function with Python
137atexit.register(internal.core.doExitCleanup)
138
139# This loops until all objects have been fully drained.
140def doDrain(root):
141 all_drained = drain(root)
142 while (not all_drained):
143 all_drained = drain(root)
144
145# Tries to drain all objects. Draining might not be completed unless
146# all objects return that they are drained on the first call. This is
147# because as objects drain they may cause other objects to no longer
148# be drained.
149def drain(root):
150 all_drained = False
151 drain_event = internal.event.createCountedDrain()
152 unready_objs = sum(obj.drain(drain_event) for obj in root.descendants())
153 # If we've got some objects that can't drain immediately, then simulate
154 if unready_objs > 0:
155 drain_event.setCount(unready_objs)
156 simulate()
157 else:
158 all_drained = True
159 internal.event.cleanupCountedDrain(drain_event)
160 return all_drained
161
162def resume(root):
163 for obj in root.descendants(): obj.resume()
164
165def checkpoint(dir):
166 root = objects.Root.getInstance()
167 if not isinstance(root, objects.Root):
168 raise TypeError, "Checkpoint must be called on a root object."
169 doDrain(root)
170 print "Writing checkpoint"
171 internal.core.serializeAll(dir)
172 resume(root)
173
174def changeToAtomic(system):
175 if not isinstance(system, (objects.Root, objects.System)):
176 raise TypeError, "Parameter of type '%s'. Must be type %s or %s." % \
177 (type(system), objects.Root, objects.System)
178 if system.getMemoryMode() != objects.params.atomic:
179 doDrain(system)
180 print "Changing memory mode to atomic"
181 for obj in system.descendants():
182 obj.changeTiming(objects.params.atomic)
183
184def changeToTiming(system):
185 if not isinstance(system, (objects.Root, objects.System)):
186 raise TypeError, "Parameter of type '%s'. Must be type %s or %s." % \
187 (type(system), objects.Root, objects.System)
188
189 if system.getMemoryMode() != objects.params.timing:
190 doDrain(system)
191 print "Changing memory mode to timing"
192 for obj in system.descendants():
193 obj.changeTiming(objects.params.timing)
194
195def switchCpus(cpuList):
196 print "switching cpus"
197 if not isinstance(cpuList, list):
198 raise RuntimeError, "Must pass a list to this function"
199 for item in cpuList:
200 if not isinstance(item, tuple) or len(item) != 2:
201 raise RuntimeError, "List must have tuples of (oldCPU,newCPU)"
202
203 for old_cpu, new_cpu in cpuList:
204 if not isinstance(old_cpu, objects.BaseCPU):
205 raise TypeError, "%s is not of type BaseCPU" % old_cpu
206 if not isinstance(new_cpu, objects.BaseCPU):
207 raise TypeError, "%s is not of type BaseCPU" % new_cpu
208
209 # Now all of the CPUs are ready to be switched out
210 for old_cpu, new_cpu in cpuList:
211 old_cpu._ccObject.switchOut()
212
213 for old_cpu, new_cpu in cpuList:
214 new_cpu.takeOverFrom(old_cpu)
215
216from internal.core import disableAllListeners
| 135
136# register our C++ exit callback function with Python
137atexit.register(internal.core.doExitCleanup)
138
139# This loops until all objects have been fully drained.
140def doDrain(root):
141 all_drained = drain(root)
142 while (not all_drained):
143 all_drained = drain(root)
144
145# Tries to drain all objects. Draining might not be completed unless
146# all objects return that they are drained on the first call. This is
147# because as objects drain they may cause other objects to no longer
148# be drained.
149def drain(root):
150 all_drained = False
151 drain_event = internal.event.createCountedDrain()
152 unready_objs = sum(obj.drain(drain_event) for obj in root.descendants())
153 # If we've got some objects that can't drain immediately, then simulate
154 if unready_objs > 0:
155 drain_event.setCount(unready_objs)
156 simulate()
157 else:
158 all_drained = True
159 internal.event.cleanupCountedDrain(drain_event)
160 return all_drained
161
162def resume(root):
163 for obj in root.descendants(): obj.resume()
164
165def checkpoint(dir):
166 root = objects.Root.getInstance()
167 if not isinstance(root, objects.Root):
168 raise TypeError, "Checkpoint must be called on a root object."
169 doDrain(root)
170 print "Writing checkpoint"
171 internal.core.serializeAll(dir)
172 resume(root)
173
174def changeToAtomic(system):
175 if not isinstance(system, (objects.Root, objects.System)):
176 raise TypeError, "Parameter of type '%s'. Must be type %s or %s." % \
177 (type(system), objects.Root, objects.System)
178 if system.getMemoryMode() != objects.params.atomic:
179 doDrain(system)
180 print "Changing memory mode to atomic"
181 for obj in system.descendants():
182 obj.changeTiming(objects.params.atomic)
183
184def changeToTiming(system):
185 if not isinstance(system, (objects.Root, objects.System)):
186 raise TypeError, "Parameter of type '%s'. Must be type %s or %s." % \
187 (type(system), objects.Root, objects.System)
188
189 if system.getMemoryMode() != objects.params.timing:
190 doDrain(system)
191 print "Changing memory mode to timing"
192 for obj in system.descendants():
193 obj.changeTiming(objects.params.timing)
194
195def switchCpus(cpuList):
196 print "switching cpus"
197 if not isinstance(cpuList, list):
198 raise RuntimeError, "Must pass a list to this function"
199 for item in cpuList:
200 if not isinstance(item, tuple) or len(item) != 2:
201 raise RuntimeError, "List must have tuples of (oldCPU,newCPU)"
202
203 for old_cpu, new_cpu in cpuList:
204 if not isinstance(old_cpu, objects.BaseCPU):
205 raise TypeError, "%s is not of type BaseCPU" % old_cpu
206 if not isinstance(new_cpu, objects.BaseCPU):
207 raise TypeError, "%s is not of type BaseCPU" % new_cpu
208
209 # Now all of the CPUs are ready to be switched out
210 for old_cpu, new_cpu in cpuList:
211 old_cpu._ccObject.switchOut()
212
213 for old_cpu, new_cpu in cpuList:
214 new_cpu.takeOverFrom(old_cpu)
215
216from internal.core import disableAllListeners
|