1 files changed, 68 insertions, 5 deletions

diff --git a/src/arch/x86/isa/microops/ldstop.isa b/src/arch/x86/isa/microops/ldstop.isa
index 38b690e6a..fbff899a0 100644
--- a/src/arch/x86/isa/microops/ldstop.isa
+++ b/src/arch/x86/isa/microops/ldstop.isa
@@ -59,9 +59,6 @@
 //
 //////////////////////////////////////////////////////////////////////////
 
-
-// Load templates
-
 output header {{
     /**
      * Base class for load and store ops
@@ -119,6 +116,58 @@ output decoder {{
     }
 }};
 
+// LEA template
+
+def template MicroLeaExecute {{
+    Fault %(class_name)s::execute(%(CPU_exec_context)s *xc,
+          Trace::InstRecord *traceData) const
+    {
+        Fault fault = NoFault;
+        Addr EA;
+
+        %(op_decl)s;
+        %(op_rd)s;
+        %(ea_code)s;
+        DPRINTF(X86, "%s : %s: The address is %#x\n", instMnem, mnemonic, EA);
+
+        %(code)s;
+        if(fault == NoFault)
+        {
+            %(op_wb)s;
+        }
+
+        return fault;
+    }
+}};
+
+def template MicroLeaDeclare {{
+    class %(class_name)s : public %(base_class)s
+    {
+      protected:
+        void buildMe();
+
+      public:
+        %(class_name)s(ExtMachInst _machInst,
+                const char * instMnem,
+                bool isMicro, bool isDelayed, bool isFirst, bool isLast,
+                uint8_t _scale, RegIndex _index, RegIndex _base,
+                uint64_t _disp, uint8_t _segment,
+                RegIndex _data,
+                uint8_t _dataSize, uint8_t _addressSize);
+
+        %(class_name)s(ExtMachInst _machInst,
+                const char * instMnem,
+                uint8_t _scale, RegIndex _index, RegIndex _base,
+                uint64_t _disp, uint8_t _segment,
+                RegIndex _data,
+                uint8_t _dataSize, uint8_t _addressSize);
+
+        %(BasicExecDeclare)s
+    };
+}};
+
+// Load templates
+
 def template MicroLoadExecute {{
     Fault %(class_name)s::execute(%(CPU_exec_context)s *xc,
           Trace::InstRecord *traceData) const
@@ -411,13 +460,27 @@ let {{
         exec_output += MicroStoreCompleteAcc.subst(iop)
 
         class StoreOp(LdStOp):
-            def __init__(self, data, addr, segment):
-                super(LoadOp, self).__init__(data, addr, segment)
+            def __init__(self, data, segment, addr, disp = 0):
+                super(LoadOp, self).__init__(data, segment, addr, disp)
                 self.className = Name
                 self.mnemonic = name
 
         microopClasses[name] = StoreOp
 
     defineMicroLoadOp('St', 'Mem = Data;')
+
+    iop = InstObjParams("lea", "Lea", 'LdStOp',
+            {"code": "Data = merge(Data, EA, dataSize);", "ea_code": calculateEA})
+    header_output += MicroLeaDeclare.subst(iop)
+    decoder_output += MicroLdStOpConstructor.subst(iop)
+    exec_output += MicroLeaExecute.subst(iop)
+
+    class LeaOp(LdStOp):
+        def __init__(self, data, segment, addr, disp = 0):
+            super(LeaOp, self).__init__(data, segment, addr, disp)
+            self.className = "Lea"
+            self.mnemonic = "lea"
+
+    microopClasses["lea"] = LeaOp
 }};