Merge pull request #360 from spir6s/master

Improved the Renesas RX Ports

17 files changed, 1337 insertions, 30 deletions

diff --git a/ports/rxv1/ccrx/CMakeLists.txt b/ports/rxv1/ccrx/CMakeLists.txt
new file mode 100644
index 00000000..75c79531
--- /dev/null
+++ b/ports/rxv1/ccrx/CMakeLists.txt
@@ -0,0 +1,9 @@
+target_sources(${PROJECT_NAME} PRIVATE
+    # {{BEGIN_TARGET_SOURCES}}
+
+    # {{END_TARGET_SOURCES}}
+)
+
+target_include_directories(${PROJECT_NAME} PUBLIC
+    ${CMAKE_CURRENT_LIST_DIR}/inc
+)
diff --git a/ports/rxv1/ccrx/inc/nx_port.h b/ports/rxv1/ccrx/inc/nx_port.h
new file mode 100644
index 00000000..b9ec5331
--- /dev/null
+++ b/ports/rxv1/ccrx/inc/nx_port.h
@@ -0,0 +1,218 @@
+/***************************************************************************
+ * Copyright (c) 2024 Microsoft Corporation 
+ * 
+ * This program and the accompanying materials are made available under the
+ * terms of the MIT License which is available at
+ * https://opensource.org/licenses/MIT.
+ * 
+ * SPDX-License-Identifier: MIT
+ **************************************************************************/
+
+
+/**************************************************************************/
+/**************************************************************************/
+/**                                                                       */ 
+/** NetX Component                                                        */
+/**                                                                       */
+/**   Port Specific                                                       */
+/**                                                                       */
+/**************************************************************************/
+/**************************************************************************/
+
+
+/**************************************************************************/ 
+/*                                                                        */ 
+/*  PORT SPECIFIC C INFORMATION                            RELEASE        */ 
+/*                                                                        */ 
+/*    nx_port.h                                           RXv1/CCRX       */ 
+/*                                                           6.2.1        */
+/*                                                                        */
+/*  AUTHOR                                                                */
+/*                                                                        */
+/*    Yuxin Zhou, Microsoft Corporation                                   */
+/*                                                                        */
+/*  DESCRIPTION                                                           */ 
+/*                                                                        */ 
+/*    This file contains data type definitions that make the NetX         */ 
+/*    real-time TCP/IP function identically on a variety of different     */ 
+/*    processor architectures.                                            */ 
+/*                                                                        */ 
+/*  RELEASE HISTORY                                                       */ 
+/*                                                                        */ 
+/*    DATE              NAME                      DESCRIPTION             */
+/*                                                                        */
+/*  12-31-2020     Yuxin Zhou               Initial Version 6.1.3         */
+/*  04-25-2022     Yuxin Zhou               Modified comment(s), and      */
+/*                                            renamed temporary variable, */
+/*                                            resulting in version 6.1.11 */
+/*  03-08-2023     Yajun Xia                Modified comment(s),          */
+/*                                            removed duplicated macros,  */
+/*                                            resulting in version 6.2.1  */
+/*                                                                        */
+/**************************************************************************/
+
+#ifndef NX_PORT_H
+#define NX_PORT_H
+
+/* Determine if the optional NetX user define file should be used.  */
+
+#ifdef NX_INCLUDE_USER_DEFINE_FILE
+
+
+/* Yes, include the user defines in nx_user.h. The defines in this file may 
+   alternately be defined on the command line.  */
+
+#include "nx_user.h"
+#endif
+
+
+/* Use compilers define to determine endianness.  */
+
+#ifdef __LIT
+#define NX_LITTLE_ENDIAN    1
+#endif
+
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+
+/* Define various constants for the port.  */ 
+
+#ifndef NX_IP_PERIODIC_RATE
+#define NX_IP_PERIODIC_RATE 100             /* Default IP periodic rate of 1 second for 
+                                               ports with 10ms timer interrupts.  This 
+                                               value may be defined instead at the 
+                                               command line and this value will not be
+                                               used.  */
+#endif
+
+
+/* Define macros that swap the endian for little endian ports.  */
+#ifdef NX_LITTLE_ENDIAN
+#define NX_CHANGE_ULONG_ENDIAN(arg)                         \
+    {                                                       \
+        ULONG _i;                                           \
+        ULONG _tmp;                                         \
+        _i = (UINT)arg;                                     \
+        /* _i = A, B, C, D */                               \
+        _tmp = _i ^ (((_i) >> 16) | (_i << 16));            \
+        /* _tmp = _i ^ (_i ROR 16) = A^C, B^D, C^A, D^B */  \
+        _tmp &= 0xff00ffff;                                 \
+        /* _tmp = A^C, 0, C^A, D^B */                       \
+        _i = ((_i) >> 8) | (_i<<24);                        \
+        /* _i = D, A, B, C */                               \
+        _i = _i ^ ((_tmp) >> 8);                            \
+        /* _i = D, C, B, A */                               \
+        arg = _i;                                           \
+    }
+#define NX_CHANGE_USHORT_ENDIAN(a)      a = (((a >> 8) | (a << 8)) & 0xFFFF)
+
+
+#define __SWAP32__(val) ((((val) & 0xFF000000) >> 24 ) | (((val) & 0x00FF0000) >> 8) \
+             | (((val) & 0x0000FF00) << 8) | (((val) & 0x000000FF) << 24))
+
+#define __SWAP16__(val) ((((val) & 0xFF00) >> 8) | (((val) & 0x00FF) << 8))
+
+
+#ifndef htonl
+#define htonl(val)  __SWAP32__(val)
+#endif /* htonl */
+#ifndef ntohl
+#define ntohl(val)  __SWAP32__(val)
+#endif /* htonl */
+
+#ifndef htons
+#define htons(val)  __SWAP16__(val)
+#endif /*htons */
+
+#ifndef ntohs
+#define ntohs(val)  __SWAP16__(val)
+#endif /*htons */
+
+
+#else
+#define NX_CHANGE_ULONG_ENDIAN(a)
+#define NX_CHANGE_USHORT_ENDIAN(a)
+
+#ifndef htons
+#define htons(val) (val)
+#endif /* htons */
+
+#ifndef ntohs
+#define ntohs(val) (val)
+#endif /* ntohs */
+
+#ifndef ntohl
+#define ntohl(val) (val)
+#endif
+
+#ifndef htonl
+#define htonl(val) (val)
+#endif /* htonl */
+#endif
+
+
+
+/* Define several macros for the error checking shell in NetX.  */
+
+#ifndef TX_TIMER_PROCESS_IN_ISR
+
+#define NX_CALLER_CHECKING_EXTERNS          extern  TX_THREAD           *_tx_thread_current_ptr; \
+                                            extern  TX_THREAD           _tx_timer_thread; \
+                                            extern  volatile ULONG      _tx_thread_system_state;
+
+#define NX_THREADS_ONLY_CALLER_CHECKING     if ((TX_THREAD_GET_SYSTEM_STATE()) || \
+                                                (_tx_thread_current_ptr == TX_NULL) || \
+                                                (_tx_thread_current_ptr == &_tx_timer_thread)) \
+                                                return(NX_CALLER_ERROR);
+
+#define NX_INIT_AND_THREADS_CALLER_CHECKING if (((TX_THREAD_GET_SYSTEM_STATE()) && (TX_THREAD_GET_SYSTEM_STATE() < ((ULONG) 0xF0F0F0F0))) || \
+                                                (_tx_thread_current_ptr == &_tx_timer_thread)) \
+                                                return(NX_CALLER_ERROR);
+
+
+#define NX_NOT_ISR_CALLER_CHECKING          if ((TX_THREAD_GET_SYSTEM_STATE()) && (TX_THREAD_GET_SYSTEM_STATE() < ((ULONG) 0xF0F0F0F0))) \
+                                                return(NX_CALLER_ERROR);
+
+#define NX_THREAD_WAIT_CALLER_CHECKING      if ((wait_option) && \
+                                               ((_tx_thread_current_ptr == NX_NULL) || (TX_THREAD_GET_SYSTEM_STATE()) || (_tx_thread_current_ptr == &_tx_timer_thread))) \
+                                            return(NX_CALLER_ERROR);
+
+
+#else
+
+
+
+#define NX_CALLER_CHECKING_EXTERNS          extern  TX_THREAD           *_tx_thread_current_ptr; \
+                                            extern  volatile ULONG      _tx_thread_system_state;
+
+#define NX_THREADS_ONLY_CALLER_CHECKING     if ((TX_THREAD_GET_SYSTEM_STATE()) || \
+                                                (_tx_thread_current_ptr == TX_NULL)) \
+                                                return(NX_CALLER_ERROR);
+
+#define NX_INIT_AND_THREADS_CALLER_CHECKING if (((TX_THREAD_GET_SYSTEM_STATE()) && (TX_THREAD_GET_SYSTEM_STATE() < ((ULONG) 0xF0F0F0F0)))) \
+                                                return(NX_CALLER_ERROR);
+
+#define NX_NOT_ISR_CALLER_CHECKING          if ((TX_THREAD_GET_SYSTEM_STATE()) && (TX_THREAD_GET_SYSTEM_STATE() < ((ULONG) 0xF0F0F0F0))) \
+                                                return(NX_CALLER_ERROR);
+
+#define NX_THREAD_WAIT_CALLER_CHECKING      if ((wait_option) && \
+                                               ((_tx_thread_current_ptr == NX_NULL) || (TX_THREAD_GET_SYSTEM_STATE()))) \
+                                            return(NX_CALLER_ERROR);
+
+#endif
+
+
+/* Define the version ID of NetX.  This may be utilized by the application.  */
+
+#ifdef NX_SYSTEM_INIT
+CHAR                            _nx_version_id[] = 
+                                    "Copyright (c) 2024 Microsoft Corporation.  *  NetX Duo RXv1/CCRX Version 6.4.1 *";
+#else
+extern  CHAR                    _nx_version_id[];
+#endif
+
+#endif
+
diff --git a/ports/rxv1/gnu/CMakeLists.txt b/ports/rxv1/gnu/CMakeLists.txt
new file mode 100644
index 00000000..75c79531
--- /dev/null
+++ b/ports/rxv1/gnu/CMakeLists.txt
@@ -0,0 +1,9 @@
+target_sources(${PROJECT_NAME} PRIVATE
+    # {{BEGIN_TARGET_SOURCES}}
+
+    # {{END_TARGET_SOURCES}}
+)
+
+target_include_directories(${PROJECT_NAME} PUBLIC
+    ${CMAKE_CURRENT_LIST_DIR}/inc
+)
diff --git a/ports/rxv1/gnu/inc/nx_port.h b/ports/rxv1/gnu/inc/nx_port.h
new file mode 100644
index 00000000..880d9be0
--- /dev/null
+++ b/ports/rxv1/gnu/inc/nx_port.h
@@ -0,0 +1,193 @@
+/***************************************************************************
+ * Copyright (c) 2024 Microsoft Corporation 
+ * 
+ * This program and the accompanying materials are made available under the
+ * terms of the MIT License which is available at
+ * https://opensource.org/licenses/MIT.
+ * 
+ * SPDX-License-Identifier: MIT
+ **************************************************************************/
+
+
+/**************************************************************************/
+/**************************************************************************/
+/**                                                                       */ 
+/** NetX Component                                                        */
+/**                                                                       */
+/**   Port Specific                                                       */
+/**                                                                       */
+/**************************************************************************/
+/**************************************************************************/
+
+
+/**************************************************************************/ 
+/*                                                                        */ 
+/*  PORT SPECIFIC C INFORMATION                            RELEASE        */ 
+/*                                                                        */ 
+/*    nx_port.h                                            RXv1/GNU       */ 
+/*                                                          6.1.11        */
+/*                                                                        */
+/*  AUTHOR                                                                */
+/*                                                                        */
+/*    Yuxin Zhou, Microsoft Corporation                                   */
+/*                                                                        */
+/*  DESCRIPTION                                                           */ 
+/*                                                                        */ 
+/*    This file contains data type definitions that make the NetX         */ 
+/*    real-time TCP/IP function identically on a variety of different     */ 
+/*    processor architectures.                                            */ 
+/*                                                                        */ 
+/*  RELEASE HISTORY                                                       */ 
+/*                                                                        */ 
+/*    DATE              NAME                      DESCRIPTION             */
+/*                                                                        */
+/*  12-31-2020     Yuxin Zhou               Initial Version 6.1.3         */
+/*  04-25-2022     Yuxin Zhou               Modified comment(s), and      */
+/*                                            renamed temporary variable, */
+/*                                            resulting in version 6.1.11 */
+/*                                                                        */
+/**************************************************************************/
+
+#ifndef NX_PORT_H
+#define NX_PORT_H
+
+/* Determine if the optional NetX user define file should be used.  */
+
+#ifdef NX_INCLUDE_USER_DEFINE_FILE
+
+
+/* Yes, include the user defines in nx_user.h. The defines in this file may 
+   alternately be defined on the command line.  */
+
+#include "nx_user.h"
+#endif
+
+
+/* Use compilers define to determine endianness.  */
+
+#ifdef __RX_LITTLE_ENDIAN__
+#define NX_LITTLE_ENDIAN    1
+#endif
+
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+
+/* Define various constants for the port.  */ 
+
+#ifndef NX_IP_PERIODIC_RATE
+#define NX_IP_PERIODIC_RATE 100             /* Default IP periodic rate of 1 second for 
+                                               ports with 10ms timer interrupts.  This 
+                                               value may be defined instead at the 
+                                               command line and this value will not be
+                                               used.  */
+#endif
+
+
+/* Define macros that swap the endian for little endian ports.  */
+
+#ifdef NX_LITTLE_ENDIAN
+#define NX_CHANGE_ULONG_ENDIAN(arg)     (arg) = __builtin_bswap32(arg)
+#define NX_CHANGE_USHORT_ENDIAN(arg)    (arg) = __builtin_bswap16(arg)
+
+
+#ifndef htonl
+#define htonl(val)  __builtin_bswap32(val)
+#endif /* htonl */
+#ifndef ntohl
+#define ntohl(val)  __builtin_bswap32(val)
+#endif /* htonl */
+
+#ifndef htons
+#define htons(val)  __builtin_bswap16(val)
+#endif /*htons */
+
+#ifndef ntohs
+#define ntohs(val)  __builtin_bswap16(val)
+#endif /*htons */
+
+#else
+#define NX_CHANGE_ULONG_ENDIAN(a)
+#define NX_CHANGE_USHORT_ENDIAN(a)
+
+#ifndef htons
+#define htons(val) (val)
+#endif /* htons */
+
+#ifndef ntohs
+#define ntohs(val) (val)
+#endif /* ntohs */
+
+#ifndef ntohl
+#define ntohl(val) (val)
+#endif
+
+#ifndef htonl
+#define htonl(val) (val)
+#endif /* htonl */
+#endif
+
+
+/* Define several macros for the error checking shell in NetX.  */
+
+#ifndef TX_TIMER_PROCESS_IN_ISR
+
+#define NX_CALLER_CHECKING_EXTERNS          extern  TX_THREAD           *_tx_thread_current_ptr; \
+                                            extern  TX_THREAD           _tx_timer_thread; \
+                                            extern  volatile ULONG      _tx_thread_system_state;
+
+#define NX_THREADS_ONLY_CALLER_CHECKING     if ((TX_THREAD_GET_SYSTEM_STATE()) || \
+                                                (_tx_thread_current_ptr == TX_NULL) || \
+                                                (_tx_thread_current_ptr == &_tx_timer_thread)) \
+                                                return(NX_CALLER_ERROR);
+
+#define NX_INIT_AND_THREADS_CALLER_CHECKING if (((TX_THREAD_GET_SYSTEM_STATE()) && (TX_THREAD_GET_SYSTEM_STATE() < ((ULONG) 0xF0F0F0F0))) || \
+                                                (_tx_thread_current_ptr == &_tx_timer_thread)) \
+                                                return(NX_CALLER_ERROR);
+
+
+#define NX_NOT_ISR_CALLER_CHECKING          if ((TX_THREAD_GET_SYSTEM_STATE()) && (TX_THREAD_GET_SYSTEM_STATE() < ((ULONG) 0xF0F0F0F0))) \
+                                                return(NX_CALLER_ERROR);
+
+#define NX_THREAD_WAIT_CALLER_CHECKING      if ((wait_option) && \
+                                               ((_tx_thread_current_ptr == NX_NULL) || (TX_THREAD_GET_SYSTEM_STATE()) || (_tx_thread_current_ptr == &_tx_timer_thread))) \
+                                            return(NX_CALLER_ERROR);
+
+
+#else
+
+
+
+#define NX_CALLER_CHECKING_EXTERNS          extern  TX_THREAD           *_tx_thread_current_ptr; \
+                                            extern  volatile ULONG      _tx_thread_system_state;
+
+#define NX_THREADS_ONLY_CALLER_CHECKING     if ((TX_THREAD_GET_SYSTEM_STATE()) || \
+                                                (_tx_thread_current_ptr == TX_NULL)) \
+                                                return(NX_CALLER_ERROR);
+
+#define NX_INIT_AND_THREADS_CALLER_CHECKING if (((TX_THREAD_GET_SYSTEM_STATE()) && (TX_THREAD_GET_SYSTEM_STATE() < ((ULONG) 0xF0F0F0F0)))) \
+                                                return(NX_CALLER_ERROR);
+
+#define NX_NOT_ISR_CALLER_CHECKING          if ((TX_THREAD_GET_SYSTEM_STATE()) && (TX_THREAD_GET_SYSTEM_STATE() < ((ULONG) 0xF0F0F0F0))) \
+                                                return(NX_CALLER_ERROR);
+
+#define NX_THREAD_WAIT_CALLER_CHECKING      if ((wait_option) && \
+                                               ((_tx_thread_current_ptr == NX_NULL) || (TX_THREAD_GET_SYSTEM_STATE()))) \
+                                            return(NX_CALLER_ERROR);
+
+#endif
+
+
+/* Define the version ID of NetX.  This may be utilized by the application.  */
+
+#ifdef NX_SYSTEM_INIT
+CHAR                            _nx_version_id[] = 
+                                    "Copyright (c) 2024 Microsoft Corporation.  *  NetX Duo RXv1/GNU Version 6.4.1 *";
+#else
+extern  CHAR                    _nx_version_id[];
+#endif
+
+#endif
+
diff --git a/ports/rxv1/iar/CMakeLists.txt b/ports/rxv1/iar/CMakeLists.txt
new file mode 100644
index 00000000..75c79531
--- /dev/null
+++ b/ports/rxv1/iar/CMakeLists.txt
@@ -0,0 +1,9 @@
+target_sources(${PROJECT_NAME} PRIVATE
+    # {{BEGIN_TARGET_SOURCES}}
+
+    # {{END_TARGET_SOURCES}}
+)
+
+target_include_directories(${PROJECT_NAME} PUBLIC
+    ${CMAKE_CURRENT_LIST_DIR}/inc
+)
diff --git a/ports/rxv1/iar/inc/nx_port.h b/ports/rxv1/iar/inc/nx_port.h
new file mode 100644
index 00000000..57a8454f
--- /dev/null
+++ b/ports/rxv1/iar/inc/nx_port.h
@@ -0,0 +1,214 @@
+/***************************************************************************
+ * Copyright (c) 2024 Microsoft Corporation 
+ * 
+ * This program and the accompanying materials are made available under the
+ * terms of the MIT License which is available at
+ * https://opensource.org/licenses/MIT.
+ * 
+ * SPDX-License-Identifier: MIT
+ **************************************************************************/
+
+
+/**************************************************************************/
+/**************************************************************************/
+/**                                                                       */ 
+/** NetX Component                                                        */
+/**                                                                       */
+/**   Port Specific                                                       */
+/**                                                                       */
+/**************************************************************************/
+/**************************************************************************/
+
+
+/**************************************************************************/ 
+/*                                                                        */ 
+/*  PORT SPECIFIC C INFORMATION                            RELEASE        */ 
+/*                                                                        */ 
+/*    nx_port.h                                            RXv1/IAR       */ 
+/*                                                          6.1.11        */
+/*                                                                        */
+/*  AUTHOR                                                                */
+/*                                                                        */
+/*    Yuxin Zhou, Microsoft Corporation                                   */
+/*                                                                        */
+/*  DESCRIPTION                                                           */ 
+/*                                                                        */ 
+/*    This file contains data type definitions that make the NetX         */ 
+/*    real-time TCP/IP function identically on a variety of different     */ 
+/*    processor architectures.                                            */ 
+/*                                                                        */ 
+/*  RELEASE HISTORY                                                       */ 
+/*                                                                        */ 
+/*    DATE              NAME                      DESCRIPTION             */
+/*                                                                        */
+/*  12-31-2020     Yuxin Zhou               Initial Version 6.1.3         */
+/*  04-25-2022     Yuxin Zhou               Modified comment(s), and      */
+/*                                            renamed temporary variable, */
+/*                                            resulting in version 6.1.11 */
+/*                                                                        */
+/**************************************************************************/
+
+#ifndef NX_PORT_H
+#define NX_PORT_H
+
+/* Determine if the optional NetX user define file should be used.  */
+
+#ifdef NX_INCLUDE_USER_DEFINE_FILE
+
+
+/* Yes, include the user defines in nx_user.h. The defines in this file may 
+   alternately be defined on the command line.  */
+
+#include "nx_user.h"
+#endif
+
+
+/* Use compilers define to determine endianness.  */
+
+#if __LITTLE_ENDIAN__
+#define NX_LITTLE_ENDIAN    1
+#endif
+
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+
+/* Define various constants for the port.  */ 
+
+#ifndef NX_IP_PERIODIC_RATE
+#define NX_IP_PERIODIC_RATE 100             /* Default IP periodic rate of 1 second for 
+                                               ports with 10ms timer interrupts.  This 
+                                               value may be defined instead at the 
+                                               command line and this value will not be
+                                               used.  */
+#endif
+
+
+/* Define macros that swap the endian for little endian ports.  */
+
+#ifdef NX_LITTLE_ENDIAN
+#define NX_CHANGE_ULONG_ENDIAN(arg)                         \
+    {                                                       \
+        ULONG _i;                                           \
+        ULONG _tmp;                                         \
+        _i = (UINT)arg;                                     \
+        /* _i = A, B, C, D */                               \
+        _tmp = _i ^ (((_i) >> 16) | (_i << 16));            \
+        /* _tmp = _i ^ (_i ROR 16) = A^C, B^D, C^A, D^B */  \
+        _tmp &= 0xff00ffff;                                 \
+        /* _tmp = A^C, 0, C^A, D^B */                       \
+        _i = ((_i) >> 8) | (_i<<24);                        \
+        /* _i = D, A, B, C */                               \
+        _i = _i ^ ((_tmp) >> 8);                            \
+        /* _i = D, C, B, A */                               \
+        arg = _i;                                           \
+    }
+#define NX_CHANGE_USHORT_ENDIAN(a)      a = (((a >> 8) | (a << 8)) & 0xFFFF)
+
+
+#define __SWAP32__(val) ((((val) & 0xFF000000) >> 24 ) | (((val) & 0x00FF0000) >> 8) \
+             | (((val) & 0x0000FF00) << 8) | (((val) & 0x000000FF) << 24))
+
+#define __SWAP16__(val) ((((val) & 0xFF00) >> 8) | (((val) & 0x00FF) << 8))
+
+
+#ifndef htonl
+#define htonl(val)  __SWAP32__(val)
+#endif /* htonl */
+#ifndef ntohl
+#define ntohl(val)  __SWAP32__(val)
+#endif /* htonl */
+
+#ifndef htons
+#define htons(val)  __SWAP16__(val)
+#endif /*htons */
+
+#ifndef ntohs
+#define ntohs(val)  __SWAP16__(val)
+#endif /*htons */
+
+#else
+#define NX_CHANGE_ULONG_ENDIAN(a)
+#define NX_CHANGE_USHORT_ENDIAN(a)
+
+#ifndef htons
+#define htons(val) (val)
+#endif /* htons */
+
+#ifndef ntohs
+#define ntohs(val) (val)
+#endif /* ntohs */
+
+#ifndef ntohl
+#define ntohl(val) (val)
+#endif
+
+#ifndef htonl
+#define htonl(val) (val)
+#endif /* htonl */
+#endif
+
+
+/* Define several macros for the error checking shell in NetX.  */
+
+#ifndef TX_TIMER_PROCESS_IN_ISR
+
+#define NX_CALLER_CHECKING_EXTERNS          extern  TX_THREAD           *_tx_thread_current_ptr; \
+                                            extern  TX_THREAD           _tx_timer_thread; \
+                                            extern  volatile ULONG      _tx_thread_system_state;
+
+#define NX_THREADS_ONLY_CALLER_CHECKING     if ((TX_THREAD_GET_SYSTEM_STATE()) || \
+                                                (_tx_thread_current_ptr == TX_NULL) || \
+                                                (_tx_thread_current_ptr == &_tx_timer_thread)) \
+                                                return(NX_CALLER_ERROR);
+
+#define NX_INIT_AND_THREADS_CALLER_CHECKING if (((TX_THREAD_GET_SYSTEM_STATE()) && (TX_THREAD_GET_SYSTEM_STATE() < ((ULONG) 0xF0F0F0F0))) || \
+                                                (_tx_thread_current_ptr == &_tx_timer_thread)) \
+                                                return(NX_CALLER_ERROR);
+
+
+#define NX_NOT_ISR_CALLER_CHECKING          if ((TX_THREAD_GET_SYSTEM_STATE()) && (TX_THREAD_GET_SYSTEM_STATE() < ((ULONG) 0xF0F0F0F0))) \
+                                                return(NX_CALLER_ERROR);
+
+#define NX_THREAD_WAIT_CALLER_CHECKING      if ((wait_option) && \
+                                               ((_tx_thread_current_ptr == NX_NULL) || (TX_THREAD_GET_SYSTEM_STATE()) || (_tx_thread_current_ptr == &_tx_timer_thread))) \
+                                            return(NX_CALLER_ERROR);
+
+
+#else
+
+
+
+#define NX_CALLER_CHECKING_EXTERNS          extern  TX_THREAD           *_tx_thread_current_ptr; \
+                                            extern  volatile ULONG      _tx_thread_system_state;
+
+#define NX_THREADS_ONLY_CALLER_CHECKING     if ((TX_THREAD_GET_SYSTEM_STATE()) || \
+                                                (_tx_thread_current_ptr == TX_NULL)) \
+                                                return(NX_CALLER_ERROR);
+
+#define NX_INIT_AND_THREADS_CALLER_CHECKING if (((TX_THREAD_GET_SYSTEM_STATE()) && (TX_THREAD_GET_SYSTEM_STATE() < ((ULONG) 0xF0F0F0F0)))) \
+                                                return(NX_CALLER_ERROR);
+
+#define NX_NOT_ISR_CALLER_CHECKING          if ((TX_THREAD_GET_SYSTEM_STATE()) && (TX_THREAD_GET_SYSTEM_STATE() < ((ULONG) 0xF0F0F0F0))) \
+                                                return(NX_CALLER_ERROR);
+
+#define NX_THREAD_WAIT_CALLER_CHECKING      if ((wait_option) && \
+                                               ((_tx_thread_current_ptr == NX_NULL) || (TX_THREAD_GET_SYSTEM_STATE()))) \
+                                            return(NX_CALLER_ERROR);
+
+#endif
+
+
+/* Define the version ID of NetX.  This may be utilized by the application.  */
+
+#ifdef NX_SYSTEM_INIT
+CHAR                            _nx_version_id[] = 
+                                    "Copyright (c) 2024 Microsoft Corporation.  *  NetX Duo RXv1/IAR Version 6.4.1 *";
+#else
+extern  CHAR                    _nx_version_id[];
+#endif
+
+#endif
+
diff --git a/ports/rxv2/ccrx/CMakeLists.txt b/ports/rxv2/ccrx/CMakeLists.txt
new file mode 100644
index 00000000..75c79531
--- /dev/null
+++ b/ports/rxv2/ccrx/CMakeLists.txt
@@ -0,0 +1,9 @@
+target_sources(${PROJECT_NAME} PRIVATE
+    # {{BEGIN_TARGET_SOURCES}}
+
+    # {{END_TARGET_SOURCES}}
+)
+
+target_include_directories(${PROJECT_NAME} PUBLIC
+    ${CMAKE_CURRENT_LIST_DIR}/inc
+)
diff --git a/ports/rxv2/ccrx/inc/nx_port.h b/ports/rxv2/ccrx/inc/nx_port.h
index 968b3e08..73c78966 100644
--- a/ports/rxv2/ccrx/inc/nx_port.h
+++ b/ports/rxv2/ccrx/inc/nx_port.h
@@ -67,9 +67,11 @@
 #endif
 
 
-/* Default to little endian, since this is what most ARM targets are.  */
+/* Use compilers define to determine endianness.  */
 
+#ifdef __LIT
 #define NX_LITTLE_ENDIAN    1
+#endif
 
 
 #include <stdio.h>
diff --git a/ports/rxv2/gnu/inc/nx_port.h b/ports/rxv2/gnu/inc/nx_port.h
index b47ea34e..de9046c7 100644
--- a/ports/rxv2/gnu/inc/nx_port.h
+++ b/ports/rxv2/gnu/inc/nx_port.h
@@ -64,9 +64,11 @@
 #endif
 
 
-/* Default to little endian, since this is what most ARM targets are.  */
+/* Use compilers define to determine endianness.  */
 
+#ifdef __RX_LITTLE_ENDIAN__
 #define NX_LITTLE_ENDIAN    1
+#endif
 
 
 #include <stdio.h>
@@ -88,44 +90,23 @@
 /* Define macros that swap the endian for little endian ports.  */
 
 #ifdef NX_LITTLE_ENDIAN
-#define NX_CHANGE_ULONG_ENDIAN(arg)                         \
-    {                                                       \
-        ULONG _i;                                           \
-        ULONG _tmp;                                         \
-        _i = (UINT)arg;                                     \
-        /* _i = A, B, C, D */                               \
-        _tmp = _i ^ (((_i) >> 16) | (_i << 16));            \
-        /* _tmp = _i ^ (_i ROR 16) = A^C, B^D, C^A, D^B */  \
-        _tmp &= 0xff00ffff;                                 \
-        /* _tmp = A^C, 0, C^A, D^B */                       \
-        _i = ((_i) >> 8) | (_i<<24);                        \
-        /* _i = D, A, B, C */                               \
-        _i = _i ^ ((_tmp) >> 8);                            \
-        /* _i = D, C, B, A */                               \
-        arg = _i;                                           \
-    }
-#define NX_CHANGE_USHORT_ENDIAN(a)      a = (((a >> 8) | (a << 8)) & 0xFFFF)
-
-
-#define __SWAP32__(val) ((((val) & 0xFF000000) >> 24 ) | (((val) & 0x00FF0000) >> 8) \
-             | (((val) & 0x0000FF00) << 8) | (((val) & 0x000000FF) << 24))
-
-#define __SWAP16__(val) ((((val) & 0xFF00) >> 8) | (((val) & 0x00FF) << 8))
+#define NX_CHANGE_ULONG_ENDIAN(arg)     (arg) = __builtin_bswap32(arg)
+#define NX_CHANGE_USHORT_ENDIAN(arg)    (arg) = __builtin_bswap16(arg)
 
 
 #ifndef htonl
-#define htonl(val)  __SWAP32__(val)
+#define htonl(val)  __builtin_bswap32(val)
 #endif /* htonl */
 #ifndef ntohl
-#define ntohl(val)  __SWAP32__(val)
+#define ntohl(val)  __builtin_bswap32(val)
 #endif /* htonl */
 
 #ifndef htons
-#define htons(val)  __SWAP16__(val)
+#define htons(val)  __builtin_bswap16(val)
 #endif /*htons */
 
 #ifndef ntohs
-#define ntohs(val)  __SWAP16__(val)
+#define ntohs(val)  __builtin_bswap16(val)
 #endif /*htons */
 
 #else
diff --git a/ports/rxv2/iar/CMakeLists.txt b/ports/rxv2/iar/CMakeLists.txt
new file mode 100644
index 00000000..75c79531
--- /dev/null
+++ b/ports/rxv2/iar/CMakeLists.txt
@@ -0,0 +1,9 @@
+target_sources(${PROJECT_NAME} PRIVATE
+    # {{BEGIN_TARGET_SOURCES}}
+
+    # {{END_TARGET_SOURCES}}
+)
+
+target_include_directories(${PROJECT_NAME} PUBLIC
+    ${CMAKE_CURRENT_LIST_DIR}/inc
+)
diff --git a/ports/rxv2/iar/inc/nx_port.h b/ports/rxv2/iar/inc/nx_port.h
index 9ea4cbb6..14669997 100644
--- a/ports/rxv2/iar/inc/nx_port.h
+++ b/ports/rxv2/iar/inc/nx_port.h
@@ -64,9 +64,11 @@
 #endif
 
 
-/* Default to little endian, since this is what most ARM targets are.  */
+/* Use compilers define to determine endianness.  */
 
+#if __LITTLE_ENDIAN__
 #define NX_LITTLE_ENDIAN    1
+#endif
 
 
 #include <stdio.h>
diff --git a/ports/rxv3/ccrx/CMakeLists.txt b/ports/rxv3/ccrx/CMakeLists.txt
new file mode 100644
index 00000000..75c79531
--- /dev/null
+++ b/ports/rxv3/ccrx/CMakeLists.txt
@@ -0,0 +1,9 @@
+target_sources(${PROJECT_NAME} PRIVATE
+    # {{BEGIN_TARGET_SOURCES}}
+
+    # {{END_TARGET_SOURCES}}
+)
+
+target_include_directories(${PROJECT_NAME} PUBLIC
+    ${CMAKE_CURRENT_LIST_DIR}/inc
+)
diff --git a/ports/rxv3/ccrx/inc/nx_port.h b/ports/rxv3/ccrx/inc/nx_port.h
new file mode 100644
index 00000000..3f932b85
--- /dev/null
+++ b/ports/rxv3/ccrx/inc/nx_port.h
@@ -0,0 +1,218 @@
+/***************************************************************************
+ * Copyright (c) 2024 Microsoft Corporation 
+ * 
+ * This program and the accompanying materials are made available under the
+ * terms of the MIT License which is available at
+ * https://opensource.org/licenses/MIT.
+ * 
+ * SPDX-License-Identifier: MIT
+ **************************************************************************/
+
+
+/**************************************************************************/
+/**************************************************************************/
+/**                                                                       */ 
+/** NetX Component                                                        */
+/**                                                                       */
+/**   Port Specific                                                       */
+/**                                                                       */
+/**************************************************************************/
+/**************************************************************************/
+
+
+/**************************************************************************/ 
+/*                                                                        */ 
+/*  PORT SPECIFIC C INFORMATION                            RELEASE        */ 
+/*                                                                        */ 
+/*    nx_port.h                                           RXv3/CCRX       */ 
+/*                                                           6.2.1        */
+/*                                                                        */
+/*  AUTHOR                                                                */
+/*                                                                        */
+/*    Yuxin Zhou, Microsoft Corporation                                   */
+/*                                                                        */
+/*  DESCRIPTION                                                           */ 
+/*                                                                        */ 
+/*    This file contains data type definitions that make the NetX         */ 
+/*    real-time TCP/IP function identically on a variety of different     */ 
+/*    processor architectures.                                            */ 
+/*                                                                        */ 
+/*  RELEASE HISTORY                                                       */ 
+/*                                                                        */ 
+/*    DATE              NAME                      DESCRIPTION             */
+/*                                                                        */
+/*  12-31-2020     Yuxin Zhou               Initial Version 6.1.3         */
+/*  04-25-2022     Yuxin Zhou               Modified comment(s), and      */
+/*                                            renamed temporary variable, */
+/*                                            resulting in version 6.1.11 */
+/*  03-08-2023     Yajun Xia                Modified comment(s),          */
+/*                                            removed duplicated macros,  */
+/*                                            resulting in version 6.2.1  */
+/*                                                                        */
+/**************************************************************************/
+
+#ifndef NX_PORT_H
+#define NX_PORT_H
+
+/* Determine if the optional NetX user define file should be used.  */
+
+#ifdef NX_INCLUDE_USER_DEFINE_FILE
+
+
+/* Yes, include the user defines in nx_user.h. The defines in this file may 
+   alternately be defined on the command line.  */
+
+#include "nx_user.h"
+#endif
+
+
+/* Use compilers define to determine endianness.  */
+
+#ifdef __LIT
+#define NX_LITTLE_ENDIAN    1
+#endif
+
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+
+/* Define various constants for the port.  */ 
+
+#ifndef NX_IP_PERIODIC_RATE
+#define NX_IP_PERIODIC_RATE 100             /* Default IP periodic rate of 1 second for 
+                                               ports with 10ms timer interrupts.  This 
+                                               value may be defined instead at the 
+                                               command line and this value will not be
+                                               used.  */
+#endif
+
+
+/* Define macros that swap the endian for little endian ports.  */
+#ifdef NX_LITTLE_ENDIAN
+#define NX_CHANGE_ULONG_ENDIAN(arg)                         \
+    {                                                       \
+        ULONG _i;                                           \
+        ULONG _tmp;                                         \
+        _i = (UINT)arg;                                     \
+        /* _i = A, B, C, D */                               \
+        _tmp = _i ^ (((_i) >> 16) | (_i << 16));            \
+        /* _tmp = _i ^ (_i ROR 16) = A^C, B^D, C^A, D^B */  \
+        _tmp &= 0xff00ffff;                                 \
+        /* _tmp = A^C, 0, C^A, D^B */                       \
+        _i = ((_i) >> 8) | (_i<<24);                        \
+        /* _i = D, A, B, C */                               \
+        _i = _i ^ ((_tmp) >> 8);                            \
+        /* _i = D, C, B, A */                               \
+        arg = _i;                                           \
+    }
+#define NX_CHANGE_USHORT_ENDIAN(a)      a = (((a >> 8) | (a << 8)) & 0xFFFF)
+
+
+#define __SWAP32__(val) ((((val) & 0xFF000000) >> 24 ) | (((val) & 0x00FF0000) >> 8) \
+             | (((val) & 0x0000FF00) << 8) | (((val) & 0x000000FF) << 24))
+
+#define __SWAP16__(val) ((((val) & 0xFF00) >> 8) | (((val) & 0x00FF) << 8))
+
+
+#ifndef htonl
+#define htonl(val)  __SWAP32__(val)
+#endif /* htonl */
+#ifndef ntohl
+#define ntohl(val)  __SWAP32__(val)
+#endif /* htonl */
+
+#ifndef htons
+#define htons(val)  __SWAP16__(val)
+#endif /*htons */
+
+#ifndef ntohs
+#define ntohs(val)  __SWAP16__(val)
+#endif /*htons */
+
+
+#else
+#define NX_CHANGE_ULONG_ENDIAN(a)
+#define NX_CHANGE_USHORT_ENDIAN(a)
+
+#ifndef htons
+#define htons(val) (val)
+#endif /* htons */
+
+#ifndef ntohs
+#define ntohs(val) (val)
+#endif /* ntohs */
+
+#ifndef ntohl
+#define ntohl(val) (val)
+#endif
+
+#ifndef htonl
+#define htonl(val) (val)
+#endif /* htonl */
+#endif
+
+
+
+/* Define several macros for the error checking shell in NetX.  */
+
+#ifndef TX_TIMER_PROCESS_IN_ISR
+
+#define NX_CALLER_CHECKING_EXTERNS          extern  TX_THREAD           *_tx_thread_current_ptr; \
+                                            extern  TX_THREAD           _tx_timer_thread; \
+                                            extern  volatile ULONG      _tx_thread_system_state;
+
+#define NX_THREADS_ONLY_CALLER_CHECKING     if ((TX_THREAD_GET_SYSTEM_STATE()) || \
+                                                (_tx_thread_current_ptr == TX_NULL) || \
+                                                (_tx_thread_current_ptr == &_tx_timer_thread)) \
+                                                return(NX_CALLER_ERROR);
+
+#define NX_INIT_AND_THREADS_CALLER_CHECKING if (((TX_THREAD_GET_SYSTEM_STATE()) && (TX_THREAD_GET_SYSTEM_STATE() < ((ULONG) 0xF0F0F0F0))) || \
+                                                (_tx_thread_current_ptr == &_tx_timer_thread)) \
+                                                return(NX_CALLER_ERROR);
+
+
+#define NX_NOT_ISR_CALLER_CHECKING          if ((TX_THREAD_GET_SYSTEM_STATE()) && (TX_THREAD_GET_SYSTEM_STATE() < ((ULONG) 0xF0F0F0F0))) \
+                                                return(NX_CALLER_ERROR);
+
+#define NX_THREAD_WAIT_CALLER_CHECKING      if ((wait_option) && \
+                                               ((_tx_thread_current_ptr == NX_NULL) || (TX_THREAD_GET_SYSTEM_STATE()) || (_tx_thread_current_ptr == &_tx_timer_thread))) \
+                                            return(NX_CALLER_ERROR);
+
+
+#else
+
+
+
+#define NX_CALLER_CHECKING_EXTERNS          extern  TX_THREAD           *_tx_thread_current_ptr; \
+                                            extern  volatile ULONG      _tx_thread_system_state;
+
+#define NX_THREADS_ONLY_CALLER_CHECKING     if ((TX_THREAD_GET_SYSTEM_STATE()) || \
+                                                (_tx_thread_current_ptr == TX_NULL)) \
+                                                return(NX_CALLER_ERROR);
+
+#define NX_INIT_AND_THREADS_CALLER_CHECKING if (((TX_THREAD_GET_SYSTEM_STATE()) && (TX_THREAD_GET_SYSTEM_STATE() < ((ULONG) 0xF0F0F0F0)))) \
+                                                return(NX_CALLER_ERROR);
+
+#define NX_NOT_ISR_CALLER_CHECKING          if ((TX_THREAD_GET_SYSTEM_STATE()) && (TX_THREAD_GET_SYSTEM_STATE() < ((ULONG) 0xF0F0F0F0))) \
+                                                return(NX_CALLER_ERROR);
+
+#define NX_THREAD_WAIT_CALLER_CHECKING      if ((wait_option) && \
+                                               ((_tx_thread_current_ptr == NX_NULL) || (TX_THREAD_GET_SYSTEM_STATE()))) \
+                                            return(NX_CALLER_ERROR);
+
+#endif
+
+
+/* Define the version ID of NetX.  This may be utilized by the application.  */
+
+#ifdef NX_SYSTEM_INIT
+CHAR                            _nx_version_id[] = 
+                                    "Copyright (c) 2024 Microsoft Corporation.  *  NetX Duo RXv3/CCRX Version 6.4.1 *";
+#else
+extern  CHAR                    _nx_version_id[];
+#endif
+
+#endif
+
diff --git a/ports/rxv3/gnu/CMakeLists.txt b/ports/rxv3/gnu/CMakeLists.txt
new file mode 100644
index 00000000..75c79531
--- /dev/null
+++ b/ports/rxv3/gnu/CMakeLists.txt
@@ -0,0 +1,9 @@
+target_sources(${PROJECT_NAME} PRIVATE
+    # {{BEGIN_TARGET_SOURCES}}
+
+    # {{END_TARGET_SOURCES}}
+)
+
+target_include_directories(${PROJECT_NAME} PUBLIC
+    ${CMAKE_CURRENT_LIST_DIR}/inc
+)
diff --git a/ports/rxv3/gnu/inc/nx_port.h b/ports/rxv3/gnu/inc/nx_port.h
new file mode 100644
index 00000000..1038427b
--- /dev/null
+++ b/ports/rxv3/gnu/inc/nx_port.h
@@ -0,0 +1,193 @@
+/***************************************************************************
+ * Copyright (c) 2024 Microsoft Corporation 
+ * 
+ * This program and the accompanying materials are made available under the
+ * terms of the MIT License which is available at
+ * https://opensource.org/licenses/MIT.
+ * 
+ * SPDX-License-Identifier: MIT
+ **************************************************************************/
+
+
+/**************************************************************************/
+/**************************************************************************/
+/**                                                                       */ 
+/** NetX Component                                                        */
+/**                                                                       */
+/**   Port Specific                                                       */
+/**                                                                       */
+/**************************************************************************/
+/**************************************************************************/
+
+
+/**************************************************************************/ 
+/*                                                                        */ 
+/*  PORT SPECIFIC C INFORMATION                            RELEASE        */ 
+/*                                                                        */ 
+/*    nx_port.h                                            RXv3/GNU       */ 
+/*                                                          6.1.11        */
+/*                                                                        */
+/*  AUTHOR                                                                */
+/*                                                                        */
+/*    Yuxin Zhou, Microsoft Corporation                                   */
+/*                                                                        */
+/*  DESCRIPTION                                                           */ 
+/*                                                                        */ 
+/*    This file contains data type definitions that make the NetX         */ 
+/*    real-time TCP/IP function identically on a variety of different     */ 
+/*    processor architectures.                                            */ 
+/*                                                                        */ 
+/*  RELEASE HISTORY                                                       */ 
+/*                                                                        */ 
+/*    DATE              NAME                      DESCRIPTION             */
+/*                                                                        */
+/*  12-31-2020     Yuxin Zhou               Initial Version 6.1.3         */
+/*  04-25-2022     Yuxin Zhou               Modified comment(s), and      */
+/*                                            renamed temporary variable, */
+/*                                            resulting in version 6.1.11 */
+/*                                                                        */
+/**************************************************************************/
+
+#ifndef NX_PORT_H
+#define NX_PORT_H
+
+/* Determine if the optional NetX user define file should be used.  */
+
+#ifdef NX_INCLUDE_USER_DEFINE_FILE
+
+
+/* Yes, include the user defines in nx_user.h. The defines in this file may 
+   alternately be defined on the command line.  */
+
+#include "nx_user.h"
+#endif
+
+
+/* Use compilers define to determine endianness.  */
+
+#ifdef __RX_LITTLE_ENDIAN__
+#define NX_LITTLE_ENDIAN    1
+#endif
+
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+
+/* Define various constants for the port.  */ 
+
+#ifndef NX_IP_PERIODIC_RATE
+#define NX_IP_PERIODIC_RATE 100             /* Default IP periodic rate of 1 second for 
+                                               ports with 10ms timer interrupts.  This 
+                                               value may be defined instead at the 
+                                               command line and this value will not be
+                                               used.  */
+#endif
+
+
+/* Define macros that swap the endian for little endian ports.  */
+
+#ifdef NX_LITTLE_ENDIAN
+#define NX_CHANGE_ULONG_ENDIAN(arg)     (arg) = __builtin_bswap32(arg)
+#define NX_CHANGE_USHORT_ENDIAN(arg)    (arg) = __builtin_bswap16(arg)
+
+
+#ifndef htonl
+#define htonl(val)  __builtin_bswap32(val)
+#endif /* htonl */
+#ifndef ntohl
+#define ntohl(val)  __builtin_bswap32(val)
+#endif /* htonl */
+
+#ifndef htons
+#define htons(val)  __builtin_bswap16(val)
+#endif /*htons */
+
+#ifndef ntohs
+#define ntohs(val)  __builtin_bswap16(val)
+#endif /*htons */
+
+#else
+#define NX_CHANGE_ULONG_ENDIAN(a)
+#define NX_CHANGE_USHORT_ENDIAN(a)
+
+#ifndef htons
+#define htons(val) (val)
+#endif /* htons */
+
+#ifndef ntohs
+#define ntohs(val) (val)
+#endif /* ntohs */
+
+#ifndef ntohl
+#define ntohl(val) (val)
+#endif
+
+#ifndef htonl
+#define htonl(val) (val)
+#endif /* htonl */
+#endif
+
+
+/* Define several macros for the error checking shell in NetX.  */
+
+#ifndef TX_TIMER_PROCESS_IN_ISR
+
+#define NX_CALLER_CHECKING_EXTERNS          extern  TX_THREAD           *_tx_thread_current_ptr; \
+                                            extern  TX_THREAD           _tx_timer_thread; \
+                                            extern  volatile ULONG      _tx_thread_system_state;
+
+#define NX_THREADS_ONLY_CALLER_CHECKING     if ((TX_THREAD_GET_SYSTEM_STATE()) || \
+                                                (_tx_thread_current_ptr == TX_NULL) || \
+                                                (_tx_thread_current_ptr == &_tx_timer_thread)) \
+                                                return(NX_CALLER_ERROR);
+
+#define NX_INIT_AND_THREADS_CALLER_CHECKING if (((TX_THREAD_GET_SYSTEM_STATE()) && (TX_THREAD_GET_SYSTEM_STATE() < ((ULONG) 0xF0F0F0F0))) || \
+                                                (_tx_thread_current_ptr == &_tx_timer_thread)) \
+                                                return(NX_CALLER_ERROR);
+
+
+#define NX_NOT_ISR_CALLER_CHECKING          if ((TX_THREAD_GET_SYSTEM_STATE()) && (TX_THREAD_GET_SYSTEM_STATE() < ((ULONG) 0xF0F0F0F0))) \
+                                                return(NX_CALLER_ERROR);
+
+#define NX_THREAD_WAIT_CALLER_CHECKING      if ((wait_option) && \
+                                               ((_tx_thread_current_ptr == NX_NULL) || (TX_THREAD_GET_SYSTEM_STATE()) || (_tx_thread_current_ptr == &_tx_timer_thread))) \
+                                            return(NX_CALLER_ERROR);
+
+
+#else
+
+
+
+#define NX_CALLER_CHECKING_EXTERNS          extern  TX_THREAD           *_tx_thread_current_ptr; \
+                                            extern  volatile ULONG      _tx_thread_system_state;
+
+#define NX_THREADS_ONLY_CALLER_CHECKING     if ((TX_THREAD_GET_SYSTEM_STATE()) || \
+                                                (_tx_thread_current_ptr == TX_NULL)) \
+                                                return(NX_CALLER_ERROR);
+
+#define NX_INIT_AND_THREADS_CALLER_CHECKING if (((TX_THREAD_GET_SYSTEM_STATE()) && (TX_THREAD_GET_SYSTEM_STATE() < ((ULONG) 0xF0F0F0F0)))) \
+                                                return(NX_CALLER_ERROR);
+
+#define NX_NOT_ISR_CALLER_CHECKING          if ((TX_THREAD_GET_SYSTEM_STATE()) && (TX_THREAD_GET_SYSTEM_STATE() < ((ULONG) 0xF0F0F0F0))) \
+                                                return(NX_CALLER_ERROR);
+
+#define NX_THREAD_WAIT_CALLER_CHECKING      if ((wait_option) && \
+                                               ((_tx_thread_current_ptr == NX_NULL) || (TX_THREAD_GET_SYSTEM_STATE()))) \
+                                            return(NX_CALLER_ERROR);
+
+#endif
+
+
+/* Define the version ID of NetX.  This may be utilized by the application.  */
+
+#ifdef NX_SYSTEM_INIT
+CHAR                            _nx_version_id[] = 
+                                    "Copyright (c) 2024 Microsoft Corporation.  *  NetX Duo RXv3/GNU Version 6.4.1 *";
+#else
+extern  CHAR                    _nx_version_id[];
+#endif
+
+#endif
+
diff --git a/ports/rxv3/iar/CMakeLists.txt b/ports/rxv3/iar/CMakeLists.txt
new file mode 100644
index 00000000..75c79531
--- /dev/null
+++ b/ports/rxv3/iar/CMakeLists.txt
@@ -0,0 +1,9 @@
+target_sources(${PROJECT_NAME} PRIVATE
+    # {{BEGIN_TARGET_SOURCES}}
+
+    # {{END_TARGET_SOURCES}}
+)
+
+target_include_directories(${PROJECT_NAME} PUBLIC
+    ${CMAKE_CURRENT_LIST_DIR}/inc
+)
diff --git a/ports/rxv3/iar/inc/nx_port.h b/ports/rxv3/iar/inc/nx_port.h
new file mode 100644
index 00000000..95aa0ecb
--- /dev/null
+++ b/ports/rxv3/iar/inc/nx_port.h
@@ -0,0 +1,214 @@
+/***************************************************************************
+ * Copyright (c) 2024 Microsoft Corporation 
+ * 
+ * This program and the accompanying materials are made available under the
+ * terms of the MIT License which is available at
+ * https://opensource.org/licenses/MIT.
+ * 
+ * SPDX-License-Identifier: MIT
+ **************************************************************************/
+
+
+/**************************************************************************/
+/**************************************************************************/
+/**                                                                       */ 
+/** NetX Component                                                        */
+/**                                                                       */
+/**   Port Specific                                                       */
+/**                                                                       */
+/**************************************************************************/
+/**************************************************************************/
+
+
+/**************************************************************************/ 
+/*                                                                        */ 
+/*  PORT SPECIFIC C INFORMATION                            RELEASE        */ 
+/*                                                                        */ 
+/*    nx_port.h                                            RXv3/IAR       */ 
+/*                                                          6.1.11        */
+/*                                                                        */
+/*  AUTHOR                                                                */
+/*                                                                        */
+/*    Yuxin Zhou, Microsoft Corporation                                   */
+/*                                                                        */
+/*  DESCRIPTION                                                           */ 
+/*                                                                        */ 
+/*    This file contains data type definitions that make the NetX         */ 
+/*    real-time TCP/IP function identically on a variety of different     */ 
+/*    processor architectures.                                            */ 
+/*                                                                        */ 
+/*  RELEASE HISTORY                                                       */ 
+/*                                                                        */ 
+/*    DATE              NAME                      DESCRIPTION             */
+/*                                                                        */
+/*  12-31-2020     Yuxin Zhou               Initial Version 6.1.3         */
+/*  04-25-2022     Yuxin Zhou               Modified comment(s), and      */
+/*                                            renamed temporary variable, */
+/*                                            resulting in version 6.1.11 */
+/*                                                                        */
+/**************************************************************************/
+
+#ifndef NX_PORT_H
+#define NX_PORT_H
+
+/* Determine if the optional NetX user define file should be used.  */
+
+#ifdef NX_INCLUDE_USER_DEFINE_FILE
+
+
+/* Yes, include the user defines in nx_user.h. The defines in this file may 
+   alternately be defined on the command line.  */
+
+#include "nx_user.h"
+#endif
+
+
+/* Use compilers define to determine endianness.  */
+
+#if __LITTLE_ENDIAN__
+#define NX_LITTLE_ENDIAN    1
+#endif
+
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+
+/* Define various constants for the port.  */ 
+
+#ifndef NX_IP_PERIODIC_RATE
+#define NX_IP_PERIODIC_RATE 100             /* Default IP periodic rate of 1 second for 
+                                               ports with 10ms timer interrupts.  This 
+                                               value may be defined instead at the 
+                                               command line and this value will not be
+                                               used.  */
+#endif
+
+
+/* Define macros that swap the endian for little endian ports.  */
+
+#ifdef NX_LITTLE_ENDIAN
+#define NX_CHANGE_ULONG_ENDIAN(arg)                         \
+    {                                                       \
+        ULONG _i;                                           \
+        ULONG _tmp;                                         \
+        _i = (UINT)arg;                                     \
+        /* _i = A, B, C, D */                               \
+        _tmp = _i ^ (((_i) >> 16) | (_i << 16));            \
+        /* _tmp = _i ^ (_i ROR 16) = A^C, B^D, C^A, D^B */  \
+        _tmp &= 0xff00ffff;                                 \
+        /* _tmp = A^C, 0, C^A, D^B */                       \
+        _i = ((_i) >> 8) | (_i<<24);                        \
+        /* _i = D, A, B, C */                               \
+        _i = _i ^ ((_tmp) >> 8);                            \
+        /* _i = D, C, B, A */                               \
+        arg = _i;                                           \
+    }
+#define NX_CHANGE_USHORT_ENDIAN(a)      a = (((a >> 8) | (a << 8)) & 0xFFFF)
+
+
+#define __SWAP32__(val) ((((val) & 0xFF000000) >> 24 ) | (((val) & 0x00FF0000) >> 8) \
+             | (((val) & 0x0000FF00) << 8) | (((val) & 0x000000FF) << 24))
+
+#define __SWAP16__(val) ((((val) & 0xFF00) >> 8) | (((val) & 0x00FF) << 8))
+
+
+#ifndef htonl
+#define htonl(val)  __SWAP32__(val)
+#endif /* htonl */
+#ifndef ntohl
+#define ntohl(val)  __SWAP32__(val)
+#endif /* htonl */
+
+#ifndef htons
+#define htons(val)  __SWAP16__(val)
+#endif /*htons */
+
+#ifndef ntohs
+#define ntohs(val)  __SWAP16__(val)
+#endif /*htons */
+
+#else
+#define NX_CHANGE_ULONG_ENDIAN(a)
+#define NX_CHANGE_USHORT_ENDIAN(a)
+
+#ifndef htons
+#define htons(val) (val)
+#endif /* htons */
+
+#ifndef ntohs
+#define ntohs(val) (val)
+#endif /* ntohs */
+
+#ifndef ntohl
+#define ntohl(val) (val)
+#endif
+
+#ifndef htonl
+#define htonl(val) (val)
+#endif /* htonl */
+#endif
+
+
+/* Define several macros for the error checking shell in NetX.  */
+
+#ifndef TX_TIMER_PROCESS_IN_ISR
+
+#define NX_CALLER_CHECKING_EXTERNS          extern  TX_THREAD           *_tx_thread_current_ptr; \
+                                            extern  TX_THREAD           _tx_timer_thread; \
+                                            extern  volatile ULONG      _tx_thread_system_state;
+
+#define NX_THREADS_ONLY_CALLER_CHECKING     if ((TX_THREAD_GET_SYSTEM_STATE()) || \
+                                                (_tx_thread_current_ptr == TX_NULL) || \
+                                                (_tx_thread_current_ptr == &_tx_timer_thread)) \
+                                                return(NX_CALLER_ERROR);
+
+#define NX_INIT_AND_THREADS_CALLER_CHECKING if (((TX_THREAD_GET_SYSTEM_STATE()) && (TX_THREAD_GET_SYSTEM_STATE() < ((ULONG) 0xF0F0F0F0))) || \
+                                                (_tx_thread_current_ptr == &_tx_timer_thread)) \
+                                                return(NX_CALLER_ERROR);
+
+
+#define NX_NOT_ISR_CALLER_CHECKING          if ((TX_THREAD_GET_SYSTEM_STATE()) && (TX_THREAD_GET_SYSTEM_STATE() < ((ULONG) 0xF0F0F0F0))) \
+                                                return(NX_CALLER_ERROR);
+
+#define NX_THREAD_WAIT_CALLER_CHECKING      if ((wait_option) && \
+                                               ((_tx_thread_current_ptr == NX_NULL) || (TX_THREAD_GET_SYSTEM_STATE()) || (_tx_thread_current_ptr == &_tx_timer_thread))) \
+                                            return(NX_CALLER_ERROR);
+
+
+#else
+
+
+
+#define NX_CALLER_CHECKING_EXTERNS          extern  TX_THREAD           *_tx_thread_current_ptr; \
+                                            extern  volatile ULONG      _tx_thread_system_state;
+
+#define NX_THREADS_ONLY_CALLER_CHECKING     if ((TX_THREAD_GET_SYSTEM_STATE()) || \
+                                                (_tx_thread_current_ptr == TX_NULL)) \
+                                                return(NX_CALLER_ERROR);
+
+#define NX_INIT_AND_THREADS_CALLER_CHECKING if (((TX_THREAD_GET_SYSTEM_STATE()) && (TX_THREAD_GET_SYSTEM_STATE() < ((ULONG) 0xF0F0F0F0)))) \
+                                                return(NX_CALLER_ERROR);
+
+#define NX_NOT_ISR_CALLER_CHECKING          if ((TX_THREAD_GET_SYSTEM_STATE()) && (TX_THREAD_GET_SYSTEM_STATE() < ((ULONG) 0xF0F0F0F0))) \
+                                                return(NX_CALLER_ERROR);
+
+#define NX_THREAD_WAIT_CALLER_CHECKING      if ((wait_option) && \
+                                               ((_tx_thread_current_ptr == NX_NULL) || (TX_THREAD_GET_SYSTEM_STATE()))) \
+                                            return(NX_CALLER_ERROR);
+
+#endif
+
+
+/* Define the version ID of NetX.  This may be utilized by the application.  */
+
+#ifdef NX_SYSTEM_INIT
+CHAR                            _nx_version_id[] = 
+                                    "Copyright (c) 2024 Microsoft Corporation.  *  NetX Duo RXv3/IAR Version 6.4.1 *";
+#else
+extern  CHAR                    _nx_version_id[];
+#endif
+
+#endif
+