MME2 changes - Propped commits from openmme/paging branch. Added scripts
for code gen

Change-Id: Ie55032217232214ac8544ca76ea34335205329e4
diff --git a/include/common/stimer.h b/include/common/stimer.h
new file mode 100644
index 0000000..ddf65dc
--- /dev/null
+++ b/include/common/stimer.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2003-2018, Great Software Laboratory Pvt. Ltd.
+ * Copyright (c) 2017 Intel Corporation
+ * Copyright (c) 2019, Infosys Ltd.
+ *
+ * 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.
+ */
+
+#ifndef __STIMER_H
+#define __STIMER_H
+
+#include <time.h>
+
+typedef long long int stimer_t;
+
+#define STIMER_GET_CURRENT_TP(__now__)                                                 \
+({                                                                                     \
+   struct timespec __ts__;                                                             \
+   __now__ = clock_gettime(CLOCK_REALTIME,&__ts__) ?                                   \
+         -1 : (((stimer_t)__ts__.tv_sec) * 1000000000) + ((stimer_t)__ts__.tv_nsec);   \
+   __now__;                                                                            \
+})
+
+#define STIMER_GET_ELAPSED_NS(_start_)                                                 \
+({                                                                                     \
+   stimer_t __ns__;                                                                    \
+   STIMER_GET_CURRENT_TP(__ns__);                                                      \
+   if (__ns__ != -1)                                                                   \
+      __ns__ -= _start_;                                                               \
+   __ns__;                                                                             \
+})
+
+#define STIMER_GET_ELAPSED_US(__start__)                                               \
+({                                                                                     \
+   stimer_t __us__ = STIMER_GET_ELAPSED_NS(__start__);                                 \
+   if (__us__ != -1)                                                                   \
+      __us__ = (__us__ / 1000) + (__us__ % 1000 >= 500 ? 1 : 0);                       \
+   __us__;                                                                             \
+})
+
+#define STIMER_GET_ELAPSED_MS(___start___)                                             \
+({                                                                                     \
+   stimer_t __ms__ = STIMER_GET_ELAPSED_US(___start___);                               \
+   if (__ms__ != -1)                                                                   \
+      __ms__ = (__ms__ / 1000) + (__ms__ % 1000 >= 500 ? 1 : 0);                       \
+   __ms__;                                                                             \
+})
+
+#endif
+