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diff --git a/src/systemc/ext/tlm_core/2/generic_payload/helpers.hh b/src/systemc/ext/tlm_core/2/generic_payload/helpers.hh
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+++ b/src/systemc/ext/tlm_core/2/generic_payload/helpers.hh
@@ -0,0 +1,70 @@
+/*****************************************************************************
+
+  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.
+
+ *****************************************************************************/
+
+#ifndef __SYSTEMC_EXT_TLM_CORE_2_GENERIC_PAYLOAD_HELPERS_HH__
+#define __SYSTEMC_EXT_TLM_CORE_2_GENERIC_PAYLOAD_HELPERS_HH__
+
+namespace tlm
+{
+
+enum tlm_endianness { TLM_UNKNOWN_ENDIAN, TLM_LITTLE_ENDIAN, TLM_BIG_ENDIAN };
+
+inline tlm_endianness
+get_host_endianness()
+{
+    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()
+{
+    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 /* __SYSTEMC_EXT_TLM_CORE_2_GENERIC_PAYLOAD_HELPERS_HH__ */