__init__.py (3624:aaba7e06ece4) | __init__.py (4123:9c80390ea1bb) |
---|---|
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 --- 13 unchanged lines hidden (view full) --- 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 | 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 --- 13 unchanged lines hidden (view full) --- 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, os, sys | 30import atexit 31import os 32import sys |
31 32# import the SWIG-wrapped main C++ functions 33import internal 34# import a few SWIG-wrapped items (those that are likely to be used 35# directly by user scripts) completely into this module for 36# convenience | 33 34# import the SWIG-wrapped main C++ functions 35import internal 36# import a few SWIG-wrapped items (those that are likely to be used 37# directly by user scripts) completely into this module for 38# convenience |
37from internal.main import simulate, SimLoopExitEvent | 39from internal.event import SimLoopExitEvent |
38 39# import the m5 compile options 40import defines 41 42# define a MaxTick parameter 43MaxTick = 2**63 - 1 44 45# define this here so we can use it right away if necessary --- 34 unchanged lines hidden (view full) --- 80def instantiate(root): 81 params.ticks_per_sec = float(root.clock.frequency) 82 root.unproxy_all() 83 # ugly temporary hack to get output to config.ini 84 sys.stdout = file(os.path.join(options.outdir, 'config.ini'), 'w') 85 root.print_ini() 86 sys.stdout.close() # close config.ini 87 sys.stdout = sys.__stdout__ # restore to original | 40 41# import the m5 compile options 42import defines 43 44# define a MaxTick parameter 45MaxTick = 2**63 - 1 46 47# define this here so we can use it right away if necessary --- 34 unchanged lines hidden (view full) --- 82def instantiate(root): 83 params.ticks_per_sec = float(root.clock.frequency) 84 root.unproxy_all() 85 # ugly temporary hack to get output to config.ini 86 sys.stdout = file(os.path.join(options.outdir, 'config.ini'), 'w') 87 root.print_ini() 88 sys.stdout.close() # close config.ini 89 sys.stdout = sys.__stdout__ # restore to original |
88 internal.main.loadIniFile(resolveSimObject) # load config.ini into C++ | 90 91 # load config.ini into C++ 92 internal.core.loadIniFile(resolveSimObject) 93 94 # Initialize the global statistics 95 internal.stats.initSimStats() 96 |
89 root.createCCObject() 90 root.connectPorts() | 97 root.createCCObject() 98 root.connectPorts() |
91 internal.main.finalInit() 92 noDot = True # temporary until we fix dot 93 if not noDot: 94 dot = pydot.Dot() 95 instance.outputDot(dot) 96 dot.orientation = "portrait" 97 dot.size = "8.5,11" 98 dot.ranksep="equally" 99 dot.rank="samerank" 100 dot.write("config.dot") 101 dot.write_ps("config.ps") | |
102 | 99 |
100 # Do a second pass to finish initializing the sim objects 101 internal.sim_object.initAll() 102 103 # Do a third pass to initialize statistics 104 internal.sim_object.regAllStats() 105 106 # Check to make sure that the stats package is properly initialized 107 internal.stats.check() 108 109 # Reset to put the stats in a consistent state. 110 internal.stats.reset() 111 112def doDot(root): 113 dot = pydot.Dot() 114 instance.outputDot(dot) 115 dot.orientation = "portrait" 116 dot.size = "8.5,11" 117 dot.ranksep="equally" 118 dot.rank="samerank" 119 dot.write("config.dot") 120 dot.write_ps("config.ps") 121 122need_resume = [] 123need_startup = True 124def simulate(*args, **kwargs): 125 global need_resume, need_startup 126 127 if need_startup: 128 internal.core.SimStartup() 129 need_startup = False 130 131 for root in need_resume: 132 resume(root) 133 need_resume = [] 134 135 return internal.event.simulate(*args, **kwargs) 136 |
|
103# Export curTick to user script. 104def curTick(): | 137# Export curTick to user script. 138def curTick(): |
105 return internal.main.cvar.curTick | 139 return internal.event.cvar.curTick |
106 107# register our C++ exit callback function with Python | 140 141# register our C++ exit callback function with Python |
108atexit.register(internal.main.doExitCleanup) | 142atexit.register(internal.core.doExitCleanup) 143atexit.register(internal.stats.dump) |
109 110# This loops until all objects have been fully drained. 111def doDrain(root): 112 all_drained = drain(root) 113 while (not all_drained): 114 all_drained = drain(root) 115 116# Tries to drain all objects. Draining might not be completed unless 117# all objects return that they are drained on the first call. This is 118# because as objects drain they may cause other objects to no longer 119# be drained. 120def drain(root): 121 all_drained = False | 144 145# This loops until all objects have been fully drained. 146def doDrain(root): 147 all_drained = drain(root) 148 while (not all_drained): 149 all_drained = drain(root) 150 151# Tries to drain all objects. Draining might not be completed unless 152# all objects return that they are drained on the first call. This is 153# because as objects drain they may cause other objects to no longer 154# be drained. 155def drain(root): 156 all_drained = False |
122 drain_event = internal.main.createCountedDrain() | 157 drain_event = internal.event.createCountedDrain() |
123 unready_objects = root.startDrain(drain_event, True) 124 # If we've got some objects that can't drain immediately, then simulate 125 if unready_objects > 0: 126 drain_event.setCount(unready_objects) 127 simulate() 128 else: 129 all_drained = True | 158 unready_objects = root.startDrain(drain_event, True) 159 # If we've got some objects that can't drain immediately, then simulate 160 if unready_objects > 0: 161 drain_event.setCount(unready_objects) 162 simulate() 163 else: 164 all_drained = True |
130 internal.main.cleanupCountedDrain(drain_event) | 165 internal.event.cleanupCountedDrain(drain_event) |
131 return all_drained 132 133def resume(root): 134 root.resume() 135 136def checkpoint(root, dir): 137 if not isinstance(root, objects.Root): | 166 return all_drained 167 168def resume(root): 169 root.resume() 170 171def checkpoint(root, dir): 172 if not isinstance(root, objects.Root): |
138 raise TypeError, "Object is not a root object. Checkpoint must be called on a root object." | 173 raise TypeError, "Checkpoint must be called on a root object." |
139 doDrain(root) 140 print "Writing checkpoint" | 174 doDrain(root) 175 print "Writing checkpoint" |
141 internal.main.serializeAll(dir) | 176 internal.sim_object.serializeAll(dir) |
142 resume(root) 143 144def restoreCheckpoint(root, dir): 145 print "Restoring from checkpoint" | 177 resume(root) 178 179def restoreCheckpoint(root, dir): 180 print "Restoring from checkpoint" |
146 internal.main.unserializeAll(dir) 147 resume(root) | 181 internal.sim_object.unserializeAll(dir) 182 need_resume.append(root) |
148 149def changeToAtomic(system): 150 if not isinstance(system, objects.Root) and not isinstance(system, objects.System): 151 raise TypeError, "Object is not a root or system object. Checkpoint must be " 152 "called on a root object." 153 doDrain(system) 154 print "Changing memory mode to atomic" | 183 184def changeToAtomic(system): 185 if not isinstance(system, objects.Root) and not isinstance(system, objects.System): 186 raise TypeError, "Object is not a root or system object. Checkpoint must be " 187 "called on a root object." 188 doDrain(system) 189 print "Changing memory mode to atomic" |
155 system.changeTiming(internal.main.SimObject.Atomic) | 190 system.changeTiming(internal.sim_object.SimObject.Atomic) |
156 157def changeToTiming(system): 158 if not isinstance(system, objects.Root) and not isinstance(system, objects.System): 159 raise TypeError, "Object is not a root or system object. Checkpoint must be " 160 "called on a root object." 161 doDrain(system) 162 print "Changing memory mode to timing" | 191 192def changeToTiming(system): 193 if not isinstance(system, objects.Root) and not isinstance(system, objects.System): 194 raise TypeError, "Object is not a root or system object. Checkpoint must be " 195 "called on a root object." 196 doDrain(system) 197 print "Changing memory mode to timing" |
163 system.changeTiming(internal.main.SimObject.Timing) | 198 system.changeTiming(internal.sim_object.SimObject.Timing) |
164 165def switchCpus(cpuList): 166 print "switching cpus" 167 if not isinstance(cpuList, list): 168 raise RuntimeError, "Must pass a list to this function" 169 for i in cpuList: 170 if not isinstance(i, tuple): 171 raise RuntimeError, "List must have tuples of (oldCPU,newCPU)" 172 173 [old_cpus, new_cpus] = zip(*cpuList) 174 175 for cpu in old_cpus: 176 if not isinstance(cpu, objects.BaseCPU): 177 raise TypeError, "%s is not of type BaseCPU" % cpu 178 for cpu in new_cpus: 179 if not isinstance(cpu, objects.BaseCPU): 180 raise TypeError, "%s is not of type BaseCPU" % cpu 181 182 # Drain all of the individual CPUs | 199 200def switchCpus(cpuList): 201 print "switching cpus" 202 if not isinstance(cpuList, list): 203 raise RuntimeError, "Must pass a list to this function" 204 for i in cpuList: 205 if not isinstance(i, tuple): 206 raise RuntimeError, "List must have tuples of (oldCPU,newCPU)" 207 208 [old_cpus, new_cpus] = zip(*cpuList) 209 210 for cpu in old_cpus: 211 if not isinstance(cpu, objects.BaseCPU): 212 raise TypeError, "%s is not of type BaseCPU" % cpu 213 for cpu in new_cpus: 214 if not isinstance(cpu, objects.BaseCPU): 215 raise TypeError, "%s is not of type BaseCPU" % cpu 216 217 # Drain all of the individual CPUs |
183 drain_event = internal.main.createCountedDrain() | 218 drain_event = internal.event.createCountedDrain() |
184 unready_cpus = 0 185 for old_cpu in old_cpus: 186 unready_cpus += old_cpu.startDrain(drain_event, False) 187 # If we've got some objects that can't drain immediately, then simulate 188 if unready_cpus > 0: 189 drain_event.setCount(unready_cpus) 190 simulate() | 219 unready_cpus = 0 220 for old_cpu in old_cpus: 221 unready_cpus += old_cpu.startDrain(drain_event, False) 222 # If we've got some objects that can't drain immediately, then simulate 223 if unready_cpus > 0: 224 drain_event.setCount(unready_cpus) 225 simulate() |
191 internal.main.cleanupCountedDrain(drain_event) | 226 internal.event.cleanupCountedDrain(drain_event) |
192 # Now all of the CPUs are ready to be switched out 193 for old_cpu in old_cpus: 194 old_cpu._ccObject.switchOut() 195 index = 0 196 for new_cpu in new_cpus: 197 new_cpu.takeOverFrom(old_cpus[index]) 198 new_cpu._ccObject.resume() 199 index += 1 200 | 227 # Now all of the CPUs are ready to be switched out 228 for old_cpu in old_cpus: 229 old_cpu._ccObject.switchOut() 230 index = 0 231 for new_cpu in new_cpus: 232 new_cpu.takeOverFrom(old_cpus[index]) 233 new_cpu._ccObject.resume() 234 index += 1 235 |
236def dumpStats(): 237 print 'Dumping stats' 238 internal.stats.dump() 239 240def resetStats(): 241 print 'Resetting stats' 242 internal.stats.reset() 243 |
|
201# Since we have so many mutual imports in this package, we should: 202# 1. Put all intra-package imports at the *bottom* of the file, unless 203# they're absolutely needed before that (for top-level statements 204# or class attributes). Imports of "trivial" packages that don't 205# import other packages (e.g., 'smartdict') can be at the top. 206# 2. Never use 'from foo import *' on an intra-package import since 207# you can get the wrong result if foo is only partially imported 208# at the point you do that (i.e., because foo is in the middle of 209# importing *you*). 210from main import options 211import objects 212import params 213from SimObject import resolveSimObject | 244# Since we have so many mutual imports in this package, we should: 245# 1. Put all intra-package imports at the *bottom* of the file, unless 246# they're absolutely needed before that (for top-level statements 247# or class attributes). Imports of "trivial" packages that don't 248# import other packages (e.g., 'smartdict') can be at the top. 249# 2. Never use 'from foo import *' on an intra-package import since 250# you can get the wrong result if foo is only partially imported 251# at the point you do that (i.e., because foo is in the middle of 252# importing *you*). 253from main import options 254import objects 255import params 256from SimObject import resolveSimObject |