2 files changed, 9 insertions, 5 deletions
diff --git a/src/cpu/o3/dyn_inst.hh b/src/cpu/o3/dyn_inst.hh
index 399240d69..e58eb99c5 100644
--- a/src/cpu/o3/dyn_inst.hh
+++ b/src/cpu/o3/dyn_inst.hh
@@ -205,11 +205,11 @@ class BaseO3DynInst : public BaseDynInst<Impl>
     /** Traps to handle specified fault. */
     void trap(Fault fault);
     bool simPalCheck(int palFunc);
-#else
-    /** Calls a syscall. */
-    void syscall(int64_t callnum);
 #endif
 
+    /** Emulates a syscall. */
+    void syscall(int64_t callnum);
+
   public:
 
     // The register accessor methods provide the index of the
diff --git a/src/cpu/o3/dyn_inst_impl.hh b/src/cpu/o3/dyn_inst_impl.hh
index eceb0b49f..500d63de8 100644
--- a/src/cpu/o3/dyn_inst_impl.hh
+++ b/src/cpu/o3/dyn_inst_impl.hh
@@ -188,11 +188,15 @@ BaseO3DynInst<Impl>::simPalCheck(int palFunc)
 #endif
     return this->cpu->simPalCheck(palFunc, this->threadNumber);
 }
-#else
+#endif
+
 template <class Impl>
 void
 BaseO3DynInst<Impl>::syscall(int64_t callnum)
 {
+#if FULL_SYSTEM
+    panic("Syscall emulation isn't available in FS mode.\n");
+#else
     // HACK: check CPU's nextPC before and after syscall. If it
     // changes, update this instruction's nextPC because the syscall
     // must have changed the nextPC.
@@ -202,6 +206,6 @@ BaseO3DynInst<Impl>::syscall(int64_t callnum)
     if (!(curPC == newPC)) {
         this->pcState(newPC);
     }
-}
 #endif
+}