ARM: Don't reset CPUs that are going to be switched in.

src/arch/arm/utility.cc

@@ -44,8 +44,10 @@
 #include "arch/arm/utility.hh"
 #include "arch/arm/vtophys.hh"
 #include "config/use_checker.hh"
+#include "cpu/base.hh"
 #include "cpu/thread_context.hh"
 #include "mem/fs_translating_port_proxy.hh"
+#include "params/BaseCPU.hh"
 #include "sim/full_system.hh"
 
 namespace ArmISA {
@@ -56,6 +58,8 @@ initCPU(ThreadContext *tc, int cpuId)
     // Reset CP15?? What does that mean -- ali
     
     // FPEXC.EN = 0
+    if (tc->getCpuPtr()->params()->defer_registration)
+       return;
 
     static Fault reset = new Reset;
     reset->invoke(tc);