Added copy instructions to the ISA. Well it didn't break anything yet...

arch/alpha/isa_desc:
    Add copy_load and copy_store insts (ldf and stf respectively)
cpu/simple_cpu/simple_cpu.hh:
    Add copy functions to SimpleCPU as well

--HG--
extra : convert_revision : 1fa041da582b418c47d4eefc22dabba978a50e2d

cpu/simple_cpu/simple_cpu.hh

@@ -246,6 +246,17 @@ class SimpleCPU : public BaseCPU
     {
         // need to do this...
     }
+
+    void copySrcTranslate(Addr src)
+    {
+        panic("Haven't implemented Copy Src translate yet in SimpleCPU\n");
+    }
+
+    void copy(Addr dest)
+    {
+        panic("Haven't implemented Copy yet in SimpleCPU\n");
+    }
+
 };
 
 #endif // __SIMPLE_CPU_HH__