1 files changed, 121 insertions, 0 deletions
diff --git a/src/include/usr/util/utilbyte.H b/src/include/usr/util/utilbyte.H
new file mode 100644
index 000000000..15bea7c75
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+++ b/src/include/usr/util/utilbyte.H
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+/* IBM_PROLOG_BEGIN_TAG                                                   */
+/* This is an automatically generated prolog.                             */
+/*                                                                        */
+/* $Source: src/include/usr/util/utilbyte.H $                             */
+/*                                                                        */
+/* OpenPOWER HostBoot Project                                             */
+/*                                                                        */
+/* Contributors Listed Below - COPYRIGHT 2012,2016                        */
+/* [+] International Business Machines Corp.                              */
+/*                                                                        */
+/*                                                                        */
+/* Licensed 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.                         */
+/*                                                                        */
+/* IBM_PROLOG_END_TAG                                                     */
+
+#ifndef UTILBYTE_H
+#define UTILBYTE_H
+
+/**
+ * @file utilbyte.H
+ *
+ * @brief byte to integer utility
+ *
+ */
+
+/*****************************************************************************/
+// Byte Utility class
+/*****************************************************************************/
+/**
+ *  @brief     Byte Utility class
+ *
+ */
+class UtilByte
+{
+    public:
+
+        /**
+         *  @brief Default Constructor
+         *
+         */
+        UtilByte();
+
+        /**
+         *  @brief Destructor
+         *
+         */
+        ~UtilByte();
+
+        /**
+         * @brief extract 2 bytes from buffer and convert to uint16
+         *
+         * @param[in] i_buffer: pointer to buffer containing 2 bytes
+         *  to be converted
+         * @retval: 16 bit integer value of the consecutive 2 bytes
+         *  pointed in the buffer
+         */
+
+        static uint16_t bufferTo16uint(void * i_buffer);
+
+        /**
+         * @brief extract 4 bytes from buffer and convert to uint32
+         *
+         * @param[in] i_buffer: pointer to buffer containing 4 bytes
+         *  to be converted
+         * @retval: 32 bit integer value of the consecutive 4 bytes
+         *  pointed in the buffer
+         */
+
+        static uint32_t bufferTo32uint(void * i_buffer);
+
+};
+
+/*
+ * Constructor
+ */
+UtilByte::UtilByte()
+{
+}
+
+/*
+ * Destructor
+ */
+UtilByte::~UtilByte()
+{
+}
+
+/*
+ * @brief converts 2 bytes into uint16
+ */
+
+inline uint16_t UtilByte::bufferTo16uint(void * i_buffer)
+{
+    return static_cast<uint16_t>(
+        ((uint8_t) *static_cast<char *>(i_buffer)) << 8 |
+        ((uint8_t) *(static_cast<char *>(i_buffer)+1)));
+}
+
+/*
+ * @brief converts 4 bytes into uint16
+ */
+
+inline uint32_t UtilByte::bufferTo32uint(void * i_buffer)
+{
+    return static_cast<uint32_t>(
+        ((uint8_t) *static_cast<char *>(i_buffer)) << 24 |
+        ((uint8_t) *(static_cast<char *>(i_buffer)+1)) << 16 |
+        ((uint8_t) *(static_cast<char *>(i_buffer)+2)) << 8 |
+        ((uint8_t) *(static_cast<char *>(i_buffer)+3)));
+}
+
+#endif //UTILBYTE_H