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diff --git a/middleware/multicore/open-amp/porting/env/freertos_env.c b/middleware/multicore/open-amp/porting/env/freertos_env.c
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+/*
+ * Copyright (c) 2014, Mentor Graphics Corporation
+ * All rights reserved.
+ * Copyright (c) 2015 Xilinx, Inc. All rights reserved.
+ * Copyright (c) 2015 Freescale, Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. Neither the name of Mentor Graphics Corporation nor the names of its
+ *    contributors may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/**************************************************************************
+ * FILE NAME
+ *
+ *       freertos_env.c
+ *
+ *
+ * DESCRIPTION
+ *
+ *       This file is Free RTOS Implementation of env layer for OpenAMP.
+ *
+ *
+ **************************************************************************/
+
+#include "env.h"
+#include "../config/config.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+#if (defined(__CC_ARM))
+#define MEM_BARRIER()      __schedule_barrier()
+#elif (defined(__GNUC__))
+#define MEM_BARRIER()      asm volatile("" ::: "memory")
+#else
+#define MEM_BARRIER()
+#endif
+
+/*
+ * function decalaration for platform provided facility
+ */
+extern void platform_interrupt_enable(void);
+extern void platform_interrupt_disable(void);
+
+/**
+ * Structure to keep track of registered ISR's.
+ */
+struct isr_info isr_table[ISR_COUNT];
+int Intr_Count = 0;
+
+/**
+ * env_init
+ *
+ * Initializes OS/BM environment.
+ *
+ */
+int env_init() {
+    return 0;
+}
+
+/**
+ * env_deinit
+ *
+ * Uninitializes OS/BM environment.
+ *
+ * @returns - execution status
+ */
+
+int env_deinit() {
+    return 0;
+}
+/**
+ * env_allocate_memory - implementation
+ *
+ * @param size
+ */
+void *env_allocate_memory(unsigned int size)
+{
+    return (pvPortMalloc(size));
+}
+
+/**
+ * env_free_memory - implementation
+ *
+ * @param ptr
+ */
+void env_free_memory(void *ptr)
+{
+    if (ptr != NULL)
+    {
+        vPortFree(ptr);
+    }
+}
+
+/**
+ *
+ * env_memset - implementation
+ *
+ * @param ptr
+ * @param value
+ * @param size
+ */
+void env_memset(void *ptr, int value, unsigned long size)
+{
+    memset(ptr, value, size);
+}
+
+/**
+ *
+ * env_memcpy - implementation
+ *
+ * @param dst
+ * @param src
+ * @param len
+ */
+void env_memcpy(void *dst, void const * src, unsigned long len) {
+    memcpy(dst,src,len);
+}
+
+/**
+ *
+ * env_strcmp - implementation
+ *
+ * @param dst
+ * @param src
+ */
+
+int env_strcmp(const char *dst, const char *src){
+    return (strcmp(dst, src));
+}
+
+/**
+ *
+ * env_strncpy - implementation
+ *
+ * @param dest
+ * @param src
+ * @param len
+ */
+void env_strncpy(char * dest, const char *src, unsigned long len)
+{
+    strncpy(dest, src, len);
+}
+
+/**
+ *
+ * env_strncmp - implementation
+ *
+ * @param dest
+ * @param src
+ * @param len
+ */
+int env_strncmp(char * dest, const char *src, unsigned long len)
+{
+    return (strncmp(dest, src, len));
+}
+
+/**
+ *
+ * env_mb - implementation
+ *
+ */
+void env_mb()
+{
+    MEM_BARRIER();
+}
+
+/**
+ * osalr_mb - implementation
+ */
+void env_rmb()
+{
+    MEM_BARRIER();
+}
+
+/**
+ * env_wmb - implementation
+ */
+void env_wmb()
+{
+    MEM_BARRIER();
+}
+
+/**
+ * env_map_vatopa - implementation
+ *
+ * @param address
+ */
+unsigned long env_map_vatopa(void *address)
+{
+    return (unsigned long)address;
+}
+
+/**
+ * env_map_patova - implementation
+ *
+ * @param address
+ */
+void *env_map_patova(unsigned long address)
+{
+    return ((void *)address);
+}
+
+/**
+ * env_create_mutex
+ *
+ * Creates a mutex with the given initial count.
+ *
+ */
+int env_create_mutex(void **lock, int count)
+{
+    return 0;
+}
+
+/**
+ * env_delete_mutex
+ *
+ * Deletes the given lock
+ *
+ */
+void env_delete_mutex(void *lock)
+{
+}
+
+/**
+ * env_lock_mutex
+ *
+ * Tries to acquire the lock, if lock is not available then call to
+ * this function will suspend.
+ *
+ * system level interrupt is disabled to avoid race condition, this has the same effect of a lock
+ *
+ */
+void env_lock_mutex(void *lock)
+{
+    env_disable_interrupts();
+}
+
+/**
+ * env_unlock_mutex
+ *
+ * Releases the given lock.
+ *
+ * system level interrupt is disabled to avoid race condition, this has the same effect of a lock
+ *
+ */
+
+void env_unlock_mutex(void *lock)
+{
+    env_restore_interrupts();
+}
+
+
+/**
+ * env_create_sync_lock
+ *
+ * Creates a synchronization lock primitive. It is used
+ * when signal has to be sent from the interrupt context to main
+ * thread context.
+ */
+int env_create_sync_lock(void **lock , int state)
+{
+    return 0;
+}
+
+/**
+ * env_delete_sync_lock
+ *
+ * Deletes the given lock
+ *
+ */
+void env_delete_sync_lock(void *lock)
+{
+}
+
+/**
+ * env_acquire_sync_lock
+ *
+ * Tries to acquire the lock, if lock is not available then call to
+ * this function waits for lock to become available.
+ */
+void env_acquire_sync_lock(void *lock)
+{
+}
+
+/**
+ * env_release_sync_lock
+ *
+ * Releases the given lock.
+ */
+
+void env_release_sync_lock(void *lock)
+{
+}
+
+/**
+ * env_sleep_msec
+ *
+ * Suspends the calling thread for given time , in msecs.
+ */
+
+void env_sleep_msec(int num_msec)
+{
+    /* portSUPPRESS_TICKS_AND_SLEEP */
+    vTaskDelay(num_msec * portTICK_PERIOD_MS);
+}
+
+/**
+ * env_disable_interrupts
+ *
+ * Disables system interrupts
+ *
+ */
+void env_disable_interrupts()
+{
+    taskDISABLE_INTERRUPTS();
+}
+
+/**
+ * env_restore_interrupts
+ *
+ * Enables system interrupts
+ *
+ */
+void env_restore_interrupts()
+{
+    taskENABLE_INTERRUPTS();
+}
+
+/**
+ * env_register_isr
+ *
+ * Registers interrupt handler for the given interrupt vector.
+ *
+ * @param vector - vring index
+ * @param isr    - interrupt handler
+ */
+void env_register_isr(int vector , void *data ,
+                void (*isr)(int vector , void *data))
+{
+    env_disable_interrupts();
+
+    if(Intr_Count < ISR_COUNT)
+    {
+        /* Save interrupt data */
+        isr_table[Intr_Count].vector = vector;
+        isr_table[Intr_Count].data = data;
+        isr_table[Intr_Count++].isr = isr;
+    }
+
+    env_restore_interrupts();
+}
+
+/**
+ * env_enable_interrupt
+ *
+ * Enables the given interrupt
+ *
+ * @param vector   - vring index
+ * @param priority - interrupt priority
+ * @param polarity - interrupt polarity
+ */
+
+void env_enable_interrupt(unsigned int vector , unsigned int priority ,
+                unsigned int polarity)
+{
+    platform_interrupt_enable();
+}
+
+/**
+ * env_disable_interrupt
+ *
+ * Disables the given interrupt
+ *
+ * @param vector   - interrupt vector number
+ */
+
+void env_disable_interrupt(unsigned int vector)
+{
+    platform_interrupt_disable();
+}
+
+/**
+ * env_map_memory
+ *
+ * Enables memory mapping for given memory region.
+ *
+ * @param pa   - physical address of memory
+ * @param va   - logical address of memory
+ * @param size - memory size
+ * param flags - flags for cache/uncached  and access type
+ */
+
+void env_map_memory(unsigned int pa, unsigned int va, unsigned int size,
+                    unsigned int flags)
+{
+}
+
+/**
+ * env_disable_cache
+ *
+ * Disables system caches.
+ *
+ */
+
+void env_disable_cache() 
+{
+}
+
+/**
+ * 
+ * env_get_timestamp
+ *
+ * Returns a 64 bit time stamp.
+ *
+ *
+ */
+unsigned long long env_get_timestamp(void)
+{
+    return 0;
+}
+
+/*========================================================= */
+/* Util data / functions for MQX */
+
+void freertos_env_isr(int vector) {
+    int idx;
+    struct isr_info *info;
+
+    env_disable_interrupt(vector);
+    for(idx = 0; idx < ISR_COUNT; idx++)
+    {
+        info = &isr_table[idx];
+        if(info->vector == vector)
+        {
+            info->isr(info->vector , info->data);   /*platform_isr*/
+            env_enable_interrupt(info->vector , info->priority, info->type);
+            break;
+        }
+    }
+}