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diff --git a/src/systemc/ext/tlm_core/tlm_2/tlm_generic_payload/tlm_helpers.h b/src/systemc/ext/tlm_core/tlm_2/tlm_generic_payload/tlm_helpers.h
new file mode 100644
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+++ b/src/systemc/ext/tlm_core/tlm_2/tlm_generic_payload/tlm_helpers.h
@@ -0,0 +1,80 @@
+/*****************************************************************************
+
+  Licensed to Accellera Systems Initiative Inc. (Accellera) under one or
+  more contributor license agreements.  See the NOTICE file distributed
+  with this work for additional information regarding copyright ownership.
+  Accellera licenses this file to you under the Apache License, Version 2.0
+  (the "License"); you may not use this file except in compliance with the
+  License.  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+  implied.  See the License for the specific language governing
+  permissions and limitations under the License.
+
+ *****************************************************************************/
+
+/* ---------------------------------------------------------------------------------------
+ @file tlm_helpers.h
+ 
+ @brief
+ 
+  Original Authors:
+    Charles Wilson, ESLX
+    
+--------------------------------------------------------------------------------------- */
+
+#ifndef __TLM_HELPERS_H__
+#define __TLM_HELPERS_H__
+
+//#include <sys/param.h>
+//#include <cstring>
+
+namespace tlm {
+
+enum tlm_endianness { TLM_UNKNOWN_ENDIAN, TLM_LITTLE_ENDIAN, TLM_BIG_ENDIAN };
+
+inline tlm_endianness get_host_endianness(void)
+{
+  static tlm_endianness host_endianness = TLM_UNKNOWN_ENDIAN;
+  
+  if (host_endianness == TLM_UNKNOWN_ENDIAN) {
+    unsigned int number = 1;
+    unsigned char *p_msb_or_lsb = (unsigned char*)&number;
+
+    host_endianness = (p_msb_or_lsb[0] == 0) ? TLM_BIG_ENDIAN : TLM_LITTLE_ENDIAN;
+  }
+  return host_endianness;
+}
+
+inline bool host_has_little_endianness(void)
+{
+  static tlm_endianness host_endianness = TLM_UNKNOWN_ENDIAN;
+  static bool host_little_endian = false;
+  
+  if (host_endianness == TLM_UNKNOWN_ENDIAN) {
+    unsigned int number = 1;
+    unsigned char *p_msb_or_lsb = (unsigned char*)&number;
+
+    host_little_endian = (p_msb_or_lsb[0] == 0) ? false : true;
+  }
+
+  return host_little_endian;
+}
+
+inline bool has_host_endianness(tlm_endianness endianness)
+{
+  if (host_has_little_endianness()) {
+    return endianness == TLM_LITTLE_ENDIAN;
+
+  } else {
+    return endianness == TLM_BIG_ENDIAN;
+  }
+} 
+
+} // namespace tlm
+
+#endif /* __TLM_HELPERS_H__ */