diff -r b644c6b4915f -r b20f4417c123 tests/configs/realview-o3-checker.py
--- a/tests/configs/realview-o3-checker.py	Wed Aug 13 15:10:04 2014 +0100
+++ b/tests/configs/realview-o3-checker.py	Wed Aug 13 15:10:19 2014 +0100
@@ -37,8 +37,9 @@
 
 from m5.objects import *
 from arm_generic import *
+from O3_ARM_v7a import O3_ARM_v7a_3
 
 root = LinuxArmFSSystemUniprocessor(mem_mode='timing',
                                     mem_class=DDR3_1600_x64,
-                                    cpu_class=DerivO3CPU,
+                                    cpu_class=O3_ARM_v7a_3,
                                     checker=True).create_root()
diff -r b644c6b4915f -r b20f4417c123 tests/configs/realview-o3-dual.py
--- a/tests/configs/realview-o3-dual.py	Wed Aug 13 15:10:04 2014 +0100
+++ b/tests/configs/realview-o3-dual.py	Wed Aug 13 15:10:19 2014 +0100
@@ -37,8 +37,9 @@
 
 from m5.objects import *
 from arm_generic import *
+from O3_ARM_v7a import O3_ARM_v7a_3
 
 root = LinuxArmFSSystem(mem_mode='timing',
                         mem_class=DDR3_1600_x64,
-                        cpu_class=DerivO3CPU,
+                        cpu_class=O3_ARM_v7a_3,
                         num_cpus=2).create_root()
diff -r b644c6b4915f -r b20f4417c123 tests/configs/realview-o3.py
--- a/tests/configs/realview-o3.py	Wed Aug 13 15:10:04 2014 +0100
+++ b/tests/configs/realview-o3.py	Wed Aug 13 15:10:19 2014 +0100
@@ -37,7 +37,8 @@
 
 from m5.objects import *
 from arm_generic import *
+from O3_ARM_v7a import O3_ARM_v7a_3
 
 root = LinuxArmFSSystemUniprocessor(mem_mode='timing',
                                     mem_class=DDR3_1600_x64,
-                                    cpu_class=DerivO3CPU).create_root()
+                                    cpu_class=O3_ARM_v7a_3).create_root()