diff --git a/wolfcrypt/src/wc_port.c b/wolfcrypt/src/wc_port.c
index abf7ac250..775195c55 100644
--- a/wolfcrypt/src/wc_port.c
+++ b/wolfcrypt/src/wc_port.c
@@ -391,6 +391,7 @@ int UnLockMutex(wolfSSL_Mutex *m)
         }
 
     #elif defined(WOLFSSL_uITRON4)
+				#include "stddef.h"
         #include "kernel.h"
         int InitMutex(wolfSSL_Mutex* m)
         {
@@ -401,7 +402,7 @@ int UnLockMutex(wolfSSL_Mutex *m)
             m->sem.name    = NULL ;
 
             m->id = acre_sem(&m->sem);
-            if( m->id != NULL )
+            if( m->id != E_OK )
                 iReturn = 0;
             else
                 iReturn = BAD_MUTEX_E;
diff --git a/wolfssl/internal.h b/wolfssl/internal.h
index 5b690d1cd..8a4fffbe1 100644
--- a/wolfssl/internal.h
+++ b/wolfssl/internal.h
@@ -117,12 +117,18 @@
     /* do nothing */
 #elif defined(FREESCALE_MQX) || defined(FREESCALE_KSDK_MQX)
     /* do nothing */
+#elif defined(WOLFSSL_uITRON4)
+        /* do nothing */
+#elif defined(WOLFSSL_uTKERNEL2)
+        /* do nothing */
 #elif defined(WOLFSSL_MDK_ARM)
     #if defined(WOLFSSL_MDK5)
          #include "cmsis_os.h"
     #else
         #include <rtl.h>
     #endif
+#elif defined(WOLFSSL_CMSIS_RTOS)
+    #include "cmsis_os.h"
 #elif defined(MBED)
 #elif defined(WOLFSSL_TIRTOS)
     /* do nothing */
diff --git a/wolfssl/wolfcrypt/settings.h b/wolfssl/wolfcrypt/settings.h
index e6c5d690d..cf1465bb5 100644
--- a/wolfssl/wolfcrypt/settings.h
+++ b/wolfssl/wolfcrypt/settings.h
@@ -307,6 +307,54 @@
     #define USE_WINDOWS_API
 #endif
 
+#if defined(WOLFSSL_uITRON4)
+
+#define XMALLOC_USER
+#include <stddef.h>
+#define ITRON_POOL_SIZE 1024*20
+extern int uITRON4_minit(size_t poolsz) ;
+extern void *uITRON4_malloc(size_t sz) ;
+extern void *uITRON4_realloc(void *p, size_t sz) ;
+extern void uITRON4_free(void *p) ;
+
+#define XMALLOC(sz, heap, type)     uITRON4_malloc(sz)
+#define XREALLOC(p, sz, heap, type) uITRON4_realloc(p, sz)
+#define XFREE(p, heap, type)        uITRON4_free(p)
+#endif
+
+#if defined(WOLFSSL_uTKERNEL2)
+#define WOLFSSL_CLOSESOCKET
+#define XMALLOC_USER
+int uTKernel_init_mpool(unsigned int sz) ; /* initializing malloc pool */
+void *uTKernel_malloc(unsigned int sz) ;
+void *uTKernel_realloc(void *p, unsigned int sz) ;
+void   uTKernel_free(void *p) ;
+#define XMALLOC(s, h, type) uTKernel_malloc((s))
+#define XREALLOC(p, n, h, t)  uTKernel_realloc((p), (n))
+#define XFREE(p, h, type)  uTKernel_free((p))
+
+#include <stdio.h>
+#include    "tm/tmonitor.h"
+static char *fgets(char *buff, int sz, FILE *fp)
+/*static char * gets(char *buff)*/
+{
+    char * p = buff ;
+    *p = '\0' ;
+    while(1) {
+        *p = tm_getchar(-1) ;
+        tm_putchar(*p) ;
+        if(*p == '\r') {
+            tm_putchar('\n') ;
+            *p = '\0' ;
+            break ;
+        }
+        p ++ ;
+    }
+    return buff ;
+}
+
+#endif
+
 
 #if defined(WOLFSSL_LEANPSK) && !defined(XMALLOC_USER)
     #include <stdlib.h>
diff --git a/wolfssl/wolfcrypt/types.h b/wolfssl/wolfcrypt/types.h
index 4a1dc31f8..2865f01aa 100644
--- a/wolfssl/wolfcrypt/types.h
+++ b/wolfssl/wolfcrypt/types.h
@@ -161,7 +161,7 @@
 	#endif
 
 
-	/* idea to add global alloc override by Moisés Guimarães  */
+	/* idea to add global alloc override by Moises Guimaraes  */
 	/* default to libc stuff */
 	/* XREALLOC is used once in normal math lib, not in fast math lib */
 	/* XFREE on some embeded systems doesn't like free(0) so test  */
@@ -180,7 +180,8 @@
 	#elif !defined(MICRIUM_MALLOC) && !defined(EBSNET) \
 	        && !defined(WOLFSSL_SAFERTOS) && !defined(FREESCALE_MQX) \
 	        && !defined(FREESCALE_KSDK_MQX) && !defined(WOLFSSL_LEANPSK) \
-            && !defined(FREERTOS)
+            && !defined(FREERTOS) && !defined(WOLFSSL_uITRON4) \
+            && !defined(WOLFSSL_uTKERNEL2)
 	    /* default C runtime, can install different routines at runtime via cbs */
 	    #include <wolfssl/wolfcrypt/memory.h>
 	    #define XMALLOC(s, h, t)     ((void)h, (void)t, wolfSSL_Malloc((s)))
diff --git a/wolfssl/wolfcrypt/wc_port.h b/wolfssl/wolfcrypt/wc_port.h
index da747f017..04155360b 100644
--- a/wolfssl/wolfcrypt/wc_port.h
+++ b/wolfssl/wolfcrypt/wc_port.h
@@ -55,6 +55,10 @@
     /* do nothing */
 #elif defined(FREESCALE_MQX) || defined(FREESCALE_KSDK_MQX)
     /* do nothing */
+#elif defined(WOLFSSL_uITRON4)
+    #include "kernel.h"
+#elif  defined(WOLFSSL_uTKERNEL2)
+    #include "tk/tkernel.h"
 #elif defined(WOLFSSL_MDK_ARM)
     #if defined(WOLFSSL_MDK5)
          #include "cmsis_os.h"
@@ -100,6 +104,16 @@
         typedef RTP_MUTEX wolfSSL_Mutex;
     #elif defined(FREESCALE_MQX) || defined(FREESCALE_KSDK_MQX)
         typedef MUTEX_STRUCT wolfSSL_Mutex;
+    #elif defined(WOLFSSL_uITRON4)
+        typedef struct wolfSSL_Mutex {
+            T_CSEM sem ;
+            ID     id ;
+        } wolfSSL_Mutex;
+    #elif defined(WOLFSSL_uTKERNEL2)
+        typedef struct wolfSSL_Mutex {
+            T_CSEM sem ;
+            ID     id ;
+        } wolfSSL_Mutex;
     #elif defined(WOLFSSL_MDK_ARM)
         #if defined(WOLFSSL_CMSIS_RTOS)
             typedef osMutexId wolfSSL_Mutex;