Config: Use clock option in se/fs script and pass to switch_cpus

This patch changes the se and fs script to use the clock option and
not simply set the CPUs clock to 2 GHz. It also makes a minor change
to the assignment of the switch_cpus clock to allow different clocks.

configs/common/Simulation.py

@@ -140,7 +140,7 @@ def run(options, root, testsys, cpu_class):
                 testsys.cpu[i].max_insts_any_thread = int(options.fast_forward)
             switch_cpus[i].system =  testsys
             switch_cpus[i].workload = testsys.cpu[i].workload
-            switch_cpus[i].clock = testsys.cpu[0].clock
+            switch_cpus[i].clock = testsys.cpu[i].clock
             # simulation period
             if options.maxinsts:
                 switch_cpus[i].max_insts_any_thread = options.maxinsts
@@ -167,8 +167,8 @@ def run(options, root, testsys, cpu_class):
             switch_cpus_1[i].system =  testsys
             switch_cpus[i].workload = testsys.cpu[i].workload
             switch_cpus_1[i].workload = testsys.cpu[i].workload
-            switch_cpus[i].clock = testsys.cpu[0].clock
-            switch_cpus_1[i].clock = testsys.cpu[0].clock
+            switch_cpus[i].clock = testsys.cpu[i].clock
+            switch_cpus_1[i].clock = testsys.cpu[i].clock
 
             # if restoring, make atomic cpu simulate only a few instructions
             if options.checkpoint_restore != None:

configs/example/fs.py

@@ -74,8 +74,8 @@ drive_mem_mode = 'atomic'
 # system under test can be any CPU
 (TestCPUClass, test_mem_mode, FutureClass) = Simulation.setCPUClass(options)
 
-TestCPUClass.clock = '2GHz'
-DriveCPUClass.clock = '2GHz'
+TestCPUClass.clock = options.clock
+DriveCPUClass.clock = options.clock
 
 if options.benchmark:
     try:

configs/example/se.py

@@ -147,7 +147,7 @@ if options.cpu_type == "detailed" or options.cpu_type == "inorder":
     numThreads = len(workloads)
 
 (CPUClass, test_mem_mode, FutureClass) = Simulation.setCPUClass(options)
-CPUClass.clock = '2GHz'
+CPUClass.clock = options.clock
 CPUClass.numThreads = numThreads;
 
 np = options.num_cpus