diff -r 559ef3da5dac -r 0cf3a0b4e361 src/arch/x86/utility.cc
--- a/src/arch/x86/utility.cc	Fri Jul 01 16:29:33 2011 -0500
+++ b/src/arch/x86/utility.cc	Fri Jul 01 16:59:39 2011 -0500
@@ -42,9 +42,8 @@
 #if FULL_SYSTEM
 #include "arch/x86/interrupts.hh"
 #endif
-#include "arch/x86/regs/int.hh"
-#include "arch/x86/regs/misc.hh"
 #include "arch/x86/regs/segment.hh"
+#include "arch/x86/registers.hh"
 #include "arch/x86/utility.hh"
 #include "arch/x86/x86_traits.hh"
 #include "cpu/base.hh"
@@ -228,11 +227,13 @@
 void
 copyRegs(ThreadContext *src, ThreadContext *dest)
 {
-    panic("copyRegs not implemented for x86!\n");
     //copy int regs
+    for (int i = 0; i < NumIntRegs; ++i)
+         dest->setIntReg(i, src->readIntReg(i));
     //copy float regs
+    for (int i = 0; i < NumFloatRegs; ++i)
+         dest->setFloatRegBits(i, src->readFloatRegBits(i));
     copyMiscRegs(src, dest);
-
     dest->pcState(src->pcState());
 }