X86: Enable the unlink system call.
[gem5.git] / configs / common / Simulation.py
index a67159a502766f14a11bad819743cc2d82de21ff..c655973671428118cff905d149c750ab318bf510 100644 (file)
@@ -1,4 +1,4 @@
-# Copyright (c) 2006 The Regents of The University of Michigan
+# Copyright (c) 2006-2007 The Regents of The University of Michigan
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -39,6 +39,9 @@ def setCPUClass(options):
     if options.timing:
         TmpClass = TimingSimpleCPU
     elif options.detailed:
+        if not options.caches:
+            print "O3 CPU must be used with caches"
+            sys.exit(1)
         TmpClass = DerivO3CPU
     else:
         TmpClass = AtomicSimpleCPU
@@ -61,7 +64,7 @@ def run(options, root, testsys, cpu_class):
     if options.maxtick:
         maxtick = options.maxtick
     elif options.maxtime:
-        simtime = int(options.maxtime * root.clock.value)
+        simtime = m5.ticks.seconds(simtime)
         print "simulating for: ", simtime
         maxtick = simtime
     else:
@@ -85,10 +88,6 @@ def run(options, root, testsys, cpu_class):
             if not m5.build_env['FULL_SYSTEM']:
                 switch_cpus[i].workload = testsys.cpu[i].workload
             switch_cpus[i].clock = testsys.cpu[0].clock
-            if options.caches:
-                switch_cpus[i].addPrivateSplitL1Caches(L1Cache(size = '32kB'),
-                                                       L1Cache(size = '64kB'))
-                switch_cpus[i].connectMemPorts(testsys.membus)
 
         root.switch_cpus = switch_cpus
         switch_cpu_list = [(testsys.cpu[i], switch_cpus[i]) for i in xrange(np)]
@@ -108,19 +107,15 @@ def run(options, root, testsys, cpu_class):
             switch_cpus[i].clock = testsys.cpu[0].clock
             switch_cpus_1[i].clock = testsys.cpu[0].clock
 
-            if options.caches:
-                switch_cpus[i].addPrivateSplitL1Caches(L1Cache(size = '32kB'),
-                                                       L1Cache(size = '64kB'))
-                switch_cpus[i].connectMemPorts(testsys.membus)
-            else:
+            if not options.caches:
                 # O3 CPU must have a cache to work.
                 switch_cpus_1[i].addPrivateSplitL1Caches(L1Cache(size = '32kB'),
                                                          L1Cache(size = '64kB'))
                 switch_cpus_1[i].connectMemPorts(testsys.membus)
 
 
-            root.switch_cpus = switch_cpus
-            root.switch_cpus_1 = switch_cpus_1
+            testsys.switch_cpus = switch_cpus
+            testsys.switch_cpus_1 = switch_cpus_1
             switch_cpu_list = [(testsys.cpu[i], switch_cpus[i]) for i in xrange(np)]
             switch_cpu_list1 = [(switch_cpus[i], switch_cpus_1[i]) for i in xrange(np)]
 
@@ -135,7 +130,7 @@ def run(options, root, testsys, cpu_class):
             m5.panic("checkpoint dir %s does not exist!" % cptdir)
 
         dirs = listdir(cptdir)
-        expr = re.compile('cpt.([0-9]*)')
+        expr = re.compile('cpt\.([0-9]*)')
         cpts = []
         for dir in dirs:
             match = expr.match(dir)
@@ -149,6 +144,10 @@ def run(options, root, testsys, cpu_class):
         if cpt_num > len(cpts):
             m5.panic('Checkpoint %d not found' % cpt_num)
 
+        ## Adjust max tick based on our starting tick
+        maxtick = maxtick - int(cpts[cpt_num - 1])
+
+        ## Restore the checkpoint
         m5.restoreCheckpoint(root,
                              joinpath(cptdir, "cpt.%s" % cpts[cpt_num - 1]))
 
@@ -167,7 +166,9 @@ def run(options, root, testsys, cpu_class):
 
         if options.standard_switch:
             exit_event = m5.simulate(options.warmup)
+            m5.drain(testsys)
             m5.switchCpus(switch_cpu_list1)
+            m5.resume(testsys)
 
     num_checkpoints = 0
     exit_cause = ''
@@ -190,7 +191,8 @@ def run(options, root, testsys, cpu_class):
 
         sim_ticks = when
         exit_cause = "maximum %d checkpoints dropped" % max_checkpoints
-        while num_checkpoints < max_checkpoints:
+        while num_checkpoints < max_checkpoints and \
+                exit_event.getCause() != "user interrupt received":
             if (sim_ticks + period) > maxtick:
                 exit_event = m5.simulate(maxtick - sim_ticks)
                 exit_cause = exit_event.getCause()
@@ -204,6 +206,10 @@ def run(options, root, testsys, cpu_class):
                     m5.checkpoint(root, joinpath(cptdir, "cpt.%d"))
                     num_checkpoints += 1
 
+        if exit_event.getCause() == "user interrupt received":
+            exit_cause = exit_event.getCause();
+
+
     else: #no checkpoints being taken via this script
         exit_event = m5.simulate(maxtick)
 
@@ -219,5 +225,5 @@ def run(options, root, testsys, cpu_class):
 
     if exit_cause == '':
         exit_cause = exit_event.getCause()
-    print 'Exiting @ cycle', m5.curTick(), 'because ', exit_cause
+    print 'Exiting @ cycle %i because %s' % (m5.curTick(), exit_cause)