1# Copyright (c) 2005 The Regents of The University of Michigan 2# All rights reserved. 3# 4# Redistribution and use in source and binary forms, with or without 5# modification, are permitted provided that the following conditions are 6# met: redistributions of source code must retain the above copyright 7# notice, this list of conditions and the following disclaimer; 8# redistributions in binary form must reproduce the above copyright 9# notice, this list of conditions and the following disclaimer in the 10# documentation and/or other materials provided with the distribution; 11# neither the name of the copyright holders nor the names of its 12# contributors may be used to endorse or promote products derived from 13# this software without specific prior written permission. 14# 15# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 18# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 19# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 21# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26# 27# Authors: Nathan Binkert 28# Steve Reinhardt 29 30import atexit 31import os 32import sys 33 34# import the SWIG-wrapped main C++ functions 35import internal 36import core 37import stats 38from main import options 39import SimObject 40import ticks 41import objects 42 43# define a MaxTick parameter 44MaxTick = 2**63 - 1 45 46# The final hook to generate .ini files. Called from the user script 47# once the config is built. 48def instantiate(root): 49 # we need to fix the global frequency 50 ticks.fixGlobalFrequency() 51 52 root.unproxy_all() 53 54 if options.dump_config: 55 ini_file = file(os.path.join(options.outdir, options.dump_config), 'w') 56 root.print_ini(ini_file) 57 ini_file.close() 58 59 # Initialize the global statistics 60 stats.initSimStats() 61 62 # Create the C++ sim objects and connect ports 63 root.createCCObject() 64 root.connectPorts() 65 66 # Do a second pass to finish initializing the sim objects 67 core.initAll() 68 69 # Do a third pass to initialize statistics 70 core.regAllStats() 71 72 # We're done registering statistics. Enable the stats package now. 73 stats.enable() 74 75 # Reset to put the stats in a consistent state. 76 stats.reset() 77 78def doDot(root): 79 dot = pydot.Dot() 80 instance.outputDot(dot) 81 dot.orientation = "portrait" 82 dot.size = "8.5,11" 83 dot.ranksep="equally" 84 dot.rank="samerank" 85 dot.write("config.dot") 86 dot.write_ps("config.ps") 87 88need_resume = [] 89need_startup = True 90def simulate(*args, **kwargs): 91 global need_resume, need_startup 92 93 if need_startup:
| 1# Copyright (c) 2005 The Regents of The University of Michigan 2# All rights reserved. 3# 4# Redistribution and use in source and binary forms, with or without 5# modification, are permitted provided that the following conditions are 6# met: redistributions of source code must retain the above copyright 7# notice, this list of conditions and the following disclaimer; 8# redistributions in binary form must reproduce the above copyright 9# notice, this list of conditions and the following disclaimer in the 10# documentation and/or other materials provided with the distribution; 11# neither the name of the copyright holders nor the names of its 12# contributors may be used to endorse or promote products derived from 13# this software without specific prior written permission. 14# 15# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 18# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 19# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 21# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26# 27# Authors: Nathan Binkert 28# Steve Reinhardt 29 30import atexit 31import os 32import sys 33 34# import the SWIG-wrapped main C++ functions 35import internal 36import core 37import stats 38from main import options 39import SimObject 40import ticks 41import objects 42 43# define a MaxTick parameter 44MaxTick = 2**63 - 1 45 46# The final hook to generate .ini files. Called from the user script 47# once the config is built. 48def instantiate(root): 49 # we need to fix the global frequency 50 ticks.fixGlobalFrequency() 51 52 root.unproxy_all() 53 54 if options.dump_config: 55 ini_file = file(os.path.join(options.outdir, options.dump_config), 'w') 56 root.print_ini(ini_file) 57 ini_file.close() 58 59 # Initialize the global statistics 60 stats.initSimStats() 61 62 # Create the C++ sim objects and connect ports 63 root.createCCObject() 64 root.connectPorts() 65 66 # Do a second pass to finish initializing the sim objects 67 core.initAll() 68 69 # Do a third pass to initialize statistics 70 core.regAllStats() 71 72 # We're done registering statistics. Enable the stats package now. 73 stats.enable() 74 75 # Reset to put the stats in a consistent state. 76 stats.reset() 77 78def doDot(root): 79 dot = pydot.Dot() 80 instance.outputDot(dot) 81 dot.orientation = "portrait" 82 dot.size = "8.5,11" 83 dot.ranksep="equally" 84 dot.rank="samerank" 85 dot.write("config.dot") 86 dot.write_ps("config.ps") 87 88need_resume = [] 89need_startup = True 90def simulate(*args, **kwargs): 91 global need_resume, need_startup 92 93 if need_startup:
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95 need_startup = False 96 97 for root in need_resume: 98 resume(root) 99 need_resume = [] 100 101 return internal.event.simulate(*args, **kwargs) 102 103# Export curTick to user script. 104def curTick(): 105 return internal.core.cvar.curTick 106 107# Python exit handlers happen in reverse order. We want to dump stats last. 108atexit.register(internal.stats.dump) 109 110# register our C++ exit callback function with Python 111atexit.register(internal.core.doExitCleanup) 112 113# This loops until all objects have been fully drained. 114def doDrain(root): 115 all_drained = drain(root) 116 while (not all_drained): 117 all_drained = drain(root) 118 119# Tries to drain all objects. Draining might not be completed unless 120# all objects return that they are drained on the first call. This is 121# because as objects drain they may cause other objects to no longer 122# be drained. 123def drain(root): 124 all_drained = False 125 drain_event = internal.event.createCountedDrain() 126 unready_objects = root.startDrain(drain_event, True) 127 # If we've got some objects that can't drain immediately, then simulate 128 if unready_objects > 0: 129 drain_event.setCount(unready_objects) 130 simulate() 131 else: 132 all_drained = True 133 internal.event.cleanupCountedDrain(drain_event) 134 return all_drained 135 136def resume(root): 137 root.resume() 138 139def checkpoint(root, dir): 140 if not isinstance(root, objects.Root): 141 raise TypeError, "Checkpoint must be called on a root object." 142 doDrain(root) 143 print "Writing checkpoint" 144 internal.core.serializeAll(dir) 145 resume(root) 146 147def restoreCheckpoint(root, dir): 148 print "Restoring from checkpoint" 149 internal.core.unserializeAll(dir) 150 need_resume.append(root) 151 stats.reset() 152 153def changeToAtomic(system): 154 if not isinstance(system, (objects.Root, objects.System)): 155 raise TypeError, "Parameter of type '%s'. Must be type %s or %s." % \ 156 (type(system), objects.Root, objects.System) 157 if system.getMemoryMode() != objects.params.atomic: 158 doDrain(system) 159 print "Changing memory mode to atomic" 160 system.changeTiming(objects.params.atomic) 161 162def changeToTiming(system): 163 if not isinstance(system, (objects.Root, objects.System)): 164 raise TypeError, "Parameter of type '%s'. Must be type %s or %s." % \ 165 (type(system), objects.Root, objects.System) 166 167 if system.getMemoryMode() != objects.params.timing: 168 doDrain(system) 169 print "Changing memory mode to timing" 170 system.changeTiming(objects.params.timing) 171 172def switchCpus(cpuList): 173 print "switching cpus" 174 if not isinstance(cpuList, list): 175 raise RuntimeError, "Must pass a list to this function" 176 for item in cpuList: 177 if not isinstance(item, tuple) or len(item) != 2: 178 raise RuntimeError, "List must have tuples of (oldCPU,newCPU)" 179 180 for old_cpu, new_cpu in cpuList: 181 if not isinstance(old_cpu, objects.BaseCPU): 182 raise TypeError, "%s is not of type BaseCPU" % old_cpu 183 if not isinstance(new_cpu, objects.BaseCPU): 184 raise TypeError, "%s is not of type BaseCPU" % new_cpu 185 186 # Now all of the CPUs are ready to be switched out 187 for old_cpu, new_cpu in cpuList: 188 old_cpu._ccObject.switchOut() 189 190 for old_cpu, new_cpu in cpuList: 191 new_cpu.takeOverFrom(old_cpu) 192 193from internal.core import disableAllListeners
| 95 need_startup = False 96 97 for root in need_resume: 98 resume(root) 99 need_resume = [] 100 101 return internal.event.simulate(*args, **kwargs) 102 103# Export curTick to user script. 104def curTick(): 105 return internal.core.cvar.curTick 106 107# Python exit handlers happen in reverse order. We want to dump stats last. 108atexit.register(internal.stats.dump) 109 110# register our C++ exit callback function with Python 111atexit.register(internal.core.doExitCleanup) 112 113# This loops until all objects have been fully drained. 114def doDrain(root): 115 all_drained = drain(root) 116 while (not all_drained): 117 all_drained = drain(root) 118 119# Tries to drain all objects. Draining might not be completed unless 120# all objects return that they are drained on the first call. This is 121# because as objects drain they may cause other objects to no longer 122# be drained. 123def drain(root): 124 all_drained = False 125 drain_event = internal.event.createCountedDrain() 126 unready_objects = root.startDrain(drain_event, True) 127 # If we've got some objects that can't drain immediately, then simulate 128 if unready_objects > 0: 129 drain_event.setCount(unready_objects) 130 simulate() 131 else: 132 all_drained = True 133 internal.event.cleanupCountedDrain(drain_event) 134 return all_drained 135 136def resume(root): 137 root.resume() 138 139def checkpoint(root, dir): 140 if not isinstance(root, objects.Root): 141 raise TypeError, "Checkpoint must be called on a root object." 142 doDrain(root) 143 print "Writing checkpoint" 144 internal.core.serializeAll(dir) 145 resume(root) 146 147def restoreCheckpoint(root, dir): 148 print "Restoring from checkpoint" 149 internal.core.unserializeAll(dir) 150 need_resume.append(root) 151 stats.reset() 152 153def changeToAtomic(system): 154 if not isinstance(system, (objects.Root, objects.System)): 155 raise TypeError, "Parameter of type '%s'. Must be type %s or %s." % \ 156 (type(system), objects.Root, objects.System) 157 if system.getMemoryMode() != objects.params.atomic: 158 doDrain(system) 159 print "Changing memory mode to atomic" 160 system.changeTiming(objects.params.atomic) 161 162def changeToTiming(system): 163 if not isinstance(system, (objects.Root, objects.System)): 164 raise TypeError, "Parameter of type '%s'. Must be type %s or %s." % \ 165 (type(system), objects.Root, objects.System) 166 167 if system.getMemoryMode() != objects.params.timing: 168 doDrain(system) 169 print "Changing memory mode to timing" 170 system.changeTiming(objects.params.timing) 171 172def switchCpus(cpuList): 173 print "switching cpus" 174 if not isinstance(cpuList, list): 175 raise RuntimeError, "Must pass a list to this function" 176 for item in cpuList: 177 if not isinstance(item, tuple) or len(item) != 2: 178 raise RuntimeError, "List must have tuples of (oldCPU,newCPU)" 179 180 for old_cpu, new_cpu in cpuList: 181 if not isinstance(old_cpu, objects.BaseCPU): 182 raise TypeError, "%s is not of type BaseCPU" % old_cpu 183 if not isinstance(new_cpu, objects.BaseCPU): 184 raise TypeError, "%s is not of type BaseCPU" % new_cpu 185 186 # Now all of the CPUs are ready to be switched out 187 for old_cpu, new_cpu in cpuList: 188 old_cpu._ccObject.switchOut() 189 190 for old_cpu, new_cpu in cpuList: 191 new_cpu.takeOverFrom(old_cpu) 192 193from internal.core import disableAllListeners
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