CheckerCPU: Make CheckerCPU runtime selectable instead of compile selectable

Enables the CheckerCPU to be selected at runtime with the --checker option
from the configs/example/fs.py and configs/example/se.py configuration
files.  Also merges with the SE/FS changes.

4 files changed, 25 insertions, 11 deletions

diff --git a/configs/common/Options.py b/configs/common/Options.py
index 5fd6177c9..f7514d086 100644
--- a/configs/common/Options.py
+++ b/configs/common/Options.py
@@ -31,6 +31,7 @@ parser.add_option("--cpu-type", type="choice", default="atomic",
                   choices = ["atomic", "timing", "detailed", "inorder",
                              "arm_detailed"],
                   help = "type of cpu to run with")
+parser.add_option("--checker", action="store_true");
 parser.add_option("-n", "--num-cpus", type="int", default=1)
 parser.add_option("--caches", action="store_true")
 parser.add_option("--l2cache", action="store_true")
diff --git a/configs/common/Simulation.py b/configs/common/Simulation.py
index 0ae287e77..b7c2c0fc0 100644
--- a/configs/common/Simulation.py
+++ b/configs/common/Simulation.py
@@ -129,6 +129,9 @@ def run(options, root, testsys, cpu_class):
             # simulation period
             if options.maxinsts:
                 switch_cpus[i].max_insts_any_thread = options.maxinsts
+            # Add checker cpu if selected
+            if options.checker:
+                switch_cpus[i].addCheckerCpu()
 
         testsys.switch_cpus = switch_cpus
         switch_cpu_list = [(testsys.cpu[i], switch_cpus[i]) for i in xrange(np)]
@@ -176,6 +179,11 @@ def run(options, root, testsys, cpu_class):
             if options.maxinsts:
                 switch_cpus_1[i].max_insts_any_thread = options.maxinsts
 
+            # attach the checker cpu if selected
+            if options.checker:
+                switch_cpus[i].addCheckerCpu()
+                switch_cpus_1[i].addCheckerCpu()
+
         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)]
diff --git a/configs/example/fs.py b/configs/example/fs.py
index 19c1bd81f..b3d607a1b 100644
--- a/configs/example/fs.py
+++ b/configs/example/fs.py
@@ -152,8 +152,6 @@ test_sys.init_param = options.init_param
 
 test_sys.cpu = [TestCPUClass(cpu_id=i) for i in xrange(np)]
 
-CacheConfig.config_cache(options, test_sys)
-
 if bm[0]:
     mem_size = bm[0].mem()
 else:
@@ -171,6 +169,10 @@ else:
 for i in xrange(np):
     if options.fastmem:
         test_sys.cpu[i].physmem_port = test_sys.physmem.port
+    if options.checker:
+        test_sys.cpu[i].addCheckerCpu()
+
+CacheConfig.config_cache(options, test_sys)
 
 if buildEnv['TARGET_ISA'] == 'mips':
     setMipsOptions(TestCPUClass)
diff --git a/configs/example/se.py b/configs/example/se.py
index f2a26709e..09e3d69fa 100644
--- a/configs/example/se.py
+++ b/configs/example/se.py
@@ -175,15 +175,6 @@ system = System(cpu = [CPUClass(cpu_id=i) for i in xrange(np)],
                 physmem = PhysicalMemory(range=AddrRange("512MB")),
                 membus = Bus(), mem_mode = test_mem_mode)
 
-if options.ruby:
-    options.use_map = True
-    Ruby.create_system(options, system)
-    assert(options.num_cpus == len(system.ruby._cpu_ruby_ports))
-else:
-    system.system_port = system.membus.slave
-    system.physmem.port = system.membus.master
-    CacheConfig.config_cache(options, system)
-
 for i in xrange(np):
     system.cpu[i].workload = multiprocesses[i]
 
@@ -194,6 +185,18 @@ for i in xrange(np):
     if options.fastmem:
         system.cpu[0].physmem_port = system.physmem.port
 
+    if options.checker:
+        system.cpu[i].addCheckerCpu()
+
+if options.ruby:
+    options.use_map = True
+    Ruby.create_system(options, system)
+    assert(options.num_cpus == len(system.ruby._cpu_ruby_ports))
+else:
+    system.system_port = system.membus.slave
+    system.physmem.port = system.membus.master
+    CacheConfig.config_cache(options, system)
+
 root = Root(full_system = False, system = system)
 
 Simulation.run(options, root, system, FutureClass)