Merge remote-tracking branch 'freertos/main' into update-pxcurrentTCB

.github/third_party_tools.md

@@ -0,0 +1,14 @@
+Note that these tools are provided by different vendors and not by the FreeRTOS
+team.
+
+## Tracing Tools
+| Tool | Website | Getting Started |
+|------|---------|-----------------|
+| Tracelyzer | [Link](https://percepio.com/tracealyzer/freertostrace/) | [Link](https://percepio.com/getstarted/latest/html/freertos.html) |
+| SystemView | [Link](https://www.segger.com/products/development-tools/systemview/) | [Link](https://wiki.segger.com/FreeRTOS_with_SystemView) |
+
+## Static Code Analysis Tools
+| Tool | Website | Getting Started |
+|------|---------|-----------------|
+| Code Sonar | [Link](https://codesecure.com/our-products/codesonar/) | [Link](https://github.com/CodeSecure-SE/FreeRTOS-Kernel/blob/main/examples/codesonar/README.md) |
+| Coverity | [Link](https://www.synopsys.com/software-integrity/security-testing/static-analysis-sast.html) | [Link](../examples/coverity/README.md) |

README.md

@@ -24,6 +24,12 @@ and [API Reference](https://www.FreeRTOS.org/a00106.html).
 Also for contributing and creating a Pull Request please refer to
 [the instructions here](.github/CONTRIBUTING.md#contributing-via-pull-request).
 
+**FreeRTOS-Kernel V11.1.0
+[source code](https://github.com/FreeRTOS/FreeRTOS-Kernel/tree/V11.1.0) is part
+of the
+[FreeRTOS 202406.00 LTS](https://github.com/FreeRTOS/FreeRTOS-LTS/tree/202406-LTS)
+release.**
+
 ### Getting help
 
 If you have any questions or need assistance troubleshooting your FreeRTOS project,
@@ -180,3 +186,7 @@ then sort the list, which can be done by running the bash command:
 Note that only the FreeRTOS-Kernel Source Files, [include](include),
 [portable/MemMang](portable/MemMang), and [portable/Common](portable/Common)
 files are checked for proper spelling, and formatting at this time.
+
+## Third Party Tools
+Visit [this link](.github/third_party_tools.md) for detailed information about
+third-party tools with FreeRTOS support.

examples/template_configuration/FreeRTOSConfig.h

@@ -640,7 +640,7 @@
 #define configUSE_APPLICATION_TASK_TAG         0
 
 /* USE_POSIX_ERRNO enables the task global FreeRTOS_errno variable which will
- * containthe most recent error for that task. */
+ * contain the most recent error for that task. */
 #define configUSE_POSIX_ERRNO                  0
 
 /* Set the following INCLUDE_* constants to 1 to incldue the named API function,

include/FreeRTOS.h

@@ -621,6 +621,13 @@
     #define traceTASK_SWITCHED_IN()
 #endif
 
+#ifndef traceSTARTING_SCHEDULER
+
+/* Called after all idle tasks and timer task (if enabled) have been created
+ * successfully, just before the scheduler is started. */
+    #define traceSTARTING_SCHEDULER( xIdleTaskHandles )
+#endif
+
 #ifndef traceINCREASE_TICK_COUNT
 
 /* Called before stepping the tick count after waking from tickless idle

include/queue.h

@@ -71,11 +71,11 @@ typedef struct QueueDefinition   * QueueSetMemberHandle_t;
 
 /* For internal use only.  These definitions *must* match those in queue.c. */
 #define queueQUEUE_TYPE_BASE                  ( ( uint8_t ) 0U )
-#define queueQUEUE_TYPE_SET                   ( ( uint8_t ) 0U )
 #define queueQUEUE_TYPE_MUTEX                 ( ( uint8_t ) 1U )
 #define queueQUEUE_TYPE_COUNTING_SEMAPHORE    ( ( uint8_t ) 2U )
 #define queueQUEUE_TYPE_BINARY_SEMAPHORE      ( ( uint8_t ) 3U )
 #define queueQUEUE_TYPE_RECURSIVE_MUTEX       ( ( uint8_t ) 4U )
+#define queueQUEUE_TYPE_SET                   ( ( uint8_t ) 5U )
 
 /**
  * queue. h

include/task.h

@@ -65,6 +65,9 @@
 #define tskMPU_REGION_EXECUTE_NEVER                   ( 1U << 2U )
 #define tskMPU_REGION_NORMAL_MEMORY                   ( 1U << 3U )
 #define tskMPU_REGION_DEVICE_MEMORY                   ( 1U << 4U )
+#if ( portARMV8M_MINOR_VERSION >= 1 )
+    #define tskMPU_REGION_PRIVILEGED_EXECUTE_NEVER    ( 1U << 5U )
+#endif /* portARMV8M_MINOR_VERSION >= 1 */
 
 /* MPU region permissions stored in MPU settings to
  * authorize access requests. */
@@ -161,7 +164,7 @@ typedef struct xTASK_STATUS
 {
     TaskHandle_t xHandle;                         /* The handle of the task to which the rest of the information in the structure relates. */
     const char * pcTaskName;                      /* A pointer to the task's name.  This value will be invalid if the task was deleted since the structure was populated! */
-    UBaseType_t xTaskNumber;                      /* A number unique to the task. */
+    UBaseType_t xTaskNumber;                      /* A number unique to the task. Note that this is not the task number that may be modified using vTaskSetTaskNumber() and uxTaskGetTaskNumber(), but a separate TCB-specific and unique identifier automatically assigned on task generation. */
     eTaskState eCurrentState;                     /* The state in which the task existed when the structure was populated. */
     UBaseType_t uxCurrentPriority;                /* The priority at which the task was running (may be inherited) when the structure was populated. */
     UBaseType_t uxBasePriority;                   /* The priority to which the task will return if the task's current priority has been inherited to avoid unbounded priority inversion when obtaining a mutex.  Only valid if configUSE_MUTEXES is defined as 1 in FreeRTOSConfig.h. */

portable/ARMv8M/non_secure/port.c

@@ -225,6 +225,12 @@ typedef void ( * portISR_t )( void );
 
 #define portMPU_RLAR_REGION_ENABLE                  ( 1UL )
 
+#if ( portARMV8M_MINOR_VERSION >= 1 )
+    /* Enable Privileged eXecute Never MPU attribute for the selected memory
+     * region. */
+    #define portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER   ( 1UL << 4UL )
+#endif /* portARMV8M_MINOR_VERSION >= 1 */
+
 /* Enable privileged access to unmapped region. */
 #define portMPU_PRIV_BACKGROUND_ENABLE_BIT          ( 1UL << 2UL )
 
@@ -1880,6 +1886,16 @@ void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */
                 xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR = ( ulRegionEndAddress ) |
                                                                           ( portMPU_RLAR_REGION_ENABLE );
 
+                /* PXN. */
+                #if ( portARMV8M_MINOR_VERSION >= 1 )
+                {
+                    if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_PRIVILEGED_EXECUTE_NEVER ) != 0 )
+                    {
+                        xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR |= ( portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER );
+                    }
+                }
+                #endif /* portARMV8M_MINOR_VERSION >= 1 */
+
                 /* Normal memory/ Device memory. */
                 if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_DEVICE_MEMORY ) != 0 )
                 {

portable/ARMv8M/non_secure/portable/GCC/ARM_CM23/portmacro.h

@@ -50,6 +50,7 @@
  */
 #define portARCH_NAME                    "Cortex-M23"
 #define portHAS_ARMV8M_MAIN_EXTENSION    0
+#define portARMV8M_MINOR_VERSION         0
 #define portDONT_DISCARD                 __attribute__( ( used ) )
 /*-----------------------------------------------------------*/
 

portable/ARMv8M/non_secure/portable/GCC/ARM_CM23_NTZ/portmacro.h

@@ -50,6 +50,7 @@
  */
 #define portARCH_NAME                    "Cortex-M23"
 #define portHAS_ARMV8M_MAIN_EXTENSION    0
+#define portARMV8M_MINOR_VERSION         0
 #define portDONT_DISCARD                 __attribute__( ( used ) )
 /*-----------------------------------------------------------*/
 

portable/ARMv8M/non_secure/portable/GCC/ARM_CM33/portmacro.h

@@ -50,6 +50,7 @@
  */
 #define portARCH_NAME                    "Cortex-M33"
 #define portHAS_ARMV8M_MAIN_EXTENSION    1
+#define portARMV8M_MINOR_VERSION         0
 #define portDONT_DISCARD                 __attribute__( ( used ) )
 /*-----------------------------------------------------------*/
 

portable/ARMv8M/non_secure/portable/GCC/ARM_CM33_NTZ/portmacro.h

@@ -50,6 +50,7 @@
  */
 #define portARCH_NAME                    "Cortex-M33"
 #define portHAS_ARMV8M_MAIN_EXTENSION    1
+#define portARMV8M_MINOR_VERSION         0
 #define portDONT_DISCARD                 __attribute__( ( used ) )
 /*-----------------------------------------------------------*/
 

portable/ARMv8M/non_secure/portable/GCC/ARM_CM35P/portmacro.h

@@ -50,6 +50,7 @@
  */
 #define portARCH_NAME                    "Cortex-M35P"
 #define portHAS_ARMV8M_MAIN_EXTENSION    1
+#define portARMV8M_MINOR_VERSION         0
 #define portDONT_DISCARD                 __attribute__( ( used ) )
 /*-----------------------------------------------------------*/
 

portable/ARMv8M/non_secure/portable/GCC/ARM_CM55/portmacro.h

@@ -55,6 +55,7 @@
  */
 #define portARCH_NAME                    "Cortex-M55"
 #define portHAS_ARMV8M_MAIN_EXTENSION    1
+#define portARMV8M_MINOR_VERSION         1
 #define portDONT_DISCARD                 __attribute__( ( used ) )
 /*-----------------------------------------------------------*/
 

portable/ARMv8M/non_secure/portable/GCC/ARM_CM85/portmacro.h

@@ -55,6 +55,7 @@
  */
 #define portARCH_NAME                    "Cortex-M85"
 #define portHAS_ARMV8M_MAIN_EXTENSION    1
+#define portARMV8M_MINOR_VERSION         1
 #define portDONT_DISCARD                 __attribute__( ( used ) )
 /*-----------------------------------------------------------*/
 

portable/ARMv8M/non_secure/portable/IAR/ARM_CM23/portmacro.h

@@ -50,6 +50,7 @@
  */
 #define portARCH_NAME                    "Cortex-M23"
 #define portHAS_ARMV8M_MAIN_EXTENSION    0
+#define portARMV8M_MINOR_VERSION         0
 #define portDONT_DISCARD                 __root
 /*-----------------------------------------------------------*/
 

portable/ARMv8M/non_secure/portable/IAR/ARM_CM23_NTZ/portmacro.h

@@ -50,6 +50,7 @@
  */
 #define portARCH_NAME                    "Cortex-M23"
 #define portHAS_ARMV8M_MAIN_EXTENSION    0
+#define portARMV8M_MINOR_VERSION         0
 #define portDONT_DISCARD                 __root
 /*-----------------------------------------------------------*/
 

portable/ARMv8M/non_secure/portable/IAR/ARM_CM33/portmacro.h

@@ -50,6 +50,7 @@
  */
 #define portARCH_NAME                    "Cortex-M33"
 #define portHAS_ARMV8M_MAIN_EXTENSION    1
+#define portARMV8M_MINOR_VERSION         0
 #define portDONT_DISCARD                 __root
 /*-----------------------------------------------------------*/
 

portable/ARMv8M/non_secure/portable/IAR/ARM_CM33_NTZ/portmacro.h

@@ -50,6 +50,7 @@
  */
 #define portARCH_NAME                    "Cortex-M33"
 #define portHAS_ARMV8M_MAIN_EXTENSION    1
+#define portARMV8M_MINOR_VERSION         0
 #define portDONT_DISCARD                 __root
 /*-----------------------------------------------------------*/
 

portable/ARMv8M/non_secure/portable/IAR/ARM_CM35P/portmacro.h

@@ -50,6 +50,7 @@
  */
 #define portARCH_NAME                    "Cortex-M35P"
 #define portHAS_ARMV8M_MAIN_EXTENSION    1
+#define portARMV8M_MINOR_VERSION         0
 #define portDONT_DISCARD                 __root
 /*-----------------------------------------------------------*/
 

portable/ARMv8M/non_secure/portable/IAR/ARM_CM55/portmacro.h

@@ -55,6 +55,7 @@
  */
 #define portARCH_NAME                    "Cortex-M55"
 #define portHAS_ARMV8M_MAIN_EXTENSION    1
+#define portARMV8M_MINOR_VERSION         1
 #define portDONT_DISCARD                 __root
 /*-----------------------------------------------------------*/
 

portable/ARMv8M/non_secure/portable/IAR/ARM_CM85/portmacro.h

@@ -55,6 +55,7 @@
  */
 #define portARCH_NAME                    "Cortex-M85"
 #define portHAS_ARMV8M_MAIN_EXTENSION    1
+#define portARMV8M_MINOR_VERSION         1
 #define portDONT_DISCARD                 __root
 /*-----------------------------------------------------------*/
 

portable/ARMv8M/secure/heap/secure_heap.c

@@ -234,7 +234,7 @@ static void prvInsertBlockIntoFreeList( BlockLink_t * pxBlockToInsert )
         pxBlockToInsert->pxNextFreeBlock = pxIterator->pxNextFreeBlock;
     }
 
-    /* If the block being inserted plugged a gab, so was merged with the block
+    /* If the block being inserted plugged a gap, so was merged with the block
      * before and the block after, then it's pxNextFreeBlock pointer will have
      * already been set, and should not be set here as that would make it point
      * to itself. */
@@ -256,6 +256,7 @@ void * pvPortMalloc( size_t xWantedSize )
     BlockLink_t * pxNewBlockLink;
     void * pvReturn = NULL;
     size_t xAdditionalRequiredSize;
+    size_t xAllocatedBlockSize = 0;
 
     /* If this is the first call to malloc then the heap will require
      * initialisation to setup the list of free blocks. */
@@ -374,6 +375,8 @@ void * pvPortMalloc( size_t xWantedSize )
                     mtCOVERAGE_TEST_MARKER();
                 }
 
+                xAllocatedBlockSize = pxBlock->xBlockSize;
+
                 /* The block is being returned - it is allocated and owned by
                  * the application and has no "next" block. */
                 secureheapALLOCATE_BLOCK( pxBlock );
@@ -394,7 +397,10 @@ void * pvPortMalloc( size_t xWantedSize )
         mtCOVERAGE_TEST_MARKER();
     }
 
-    traceMALLOC( pvReturn, xWantedSize );
+    traceMALLOC( pvReturn, xAllocatedBlockSize );
+
+    /* Prevent compiler warnings when trace macros are not used. */
+    ( void ) xAllocatedBlockSize;
 
     #if ( secureconfigUSE_MALLOC_FAILED_HOOK == 1 )
     {

portable/GCC/ARM_CM23/non_secure/port.c

@@ -225,6 +225,12 @@ typedef void ( * portISR_t )( void );
 
 #define portMPU_RLAR_REGION_ENABLE                  ( 1UL )
 
+#if ( portARMV8M_MINOR_VERSION >= 1 )
+    /* Enable Privileged eXecute Never MPU attribute for the selected memory
+     * region. */
+    #define portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER   ( 1UL << 4UL )
+#endif /* portARMV8M_MINOR_VERSION >= 1 */
+
 /* Enable privileged access to unmapped region. */
 #define portMPU_PRIV_BACKGROUND_ENABLE_BIT          ( 1UL << 2UL )
 
@@ -1880,6 +1886,16 @@ void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */
                 xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR = ( ulRegionEndAddress ) |
                                                                           ( portMPU_RLAR_REGION_ENABLE );
 
+                /* PXN. */
+                #if ( portARMV8M_MINOR_VERSION >= 1 )
+                {
+                    if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_PRIVILEGED_EXECUTE_NEVER ) != 0 )
+                    {
+                        xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR |= ( portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER );
+                    }
+                }
+                #endif /* portARMV8M_MINOR_VERSION >= 1 */
+
                 /* Normal memory/ Device memory. */
                 if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_DEVICE_MEMORY ) != 0 )
                 {

portable/GCC/ARM_CM23/non_secure/portmacro.h

@@ -50,6 +50,7 @@
  */
 #define portARCH_NAME                    "Cortex-M23"
 #define portHAS_ARMV8M_MAIN_EXTENSION    0
+#define portARMV8M_MINOR_VERSION         0
 #define portDONT_DISCARD                 __attribute__( ( used ) )
 /*-----------------------------------------------------------*/
 

portable/GCC/ARM_CM23/secure/secure_heap.c

@@ -234,7 +234,7 @@ static void prvInsertBlockIntoFreeList( BlockLink_t * pxBlockToInsert )
         pxBlockToInsert->pxNextFreeBlock = pxIterator->pxNextFreeBlock;
     }
 
-    /* If the block being inserted plugged a gab, so was merged with the block
+    /* If the block being inserted plugged a gap, so was merged with the block
      * before and the block after, then it's pxNextFreeBlock pointer will have
      * already been set, and should not be set here as that would make it point
      * to itself. */
@@ -256,6 +256,7 @@ void * pvPortMalloc( size_t xWantedSize )
     BlockLink_t * pxNewBlockLink;
     void * pvReturn = NULL;
     size_t xAdditionalRequiredSize;
+    size_t xAllocatedBlockSize = 0;
 
     /* If this is the first call to malloc then the heap will require
      * initialisation to setup the list of free blocks. */
@@ -374,6 +375,8 @@ void * pvPortMalloc( size_t xWantedSize )
                     mtCOVERAGE_TEST_MARKER();
                 }
 
+                xAllocatedBlockSize = pxBlock->xBlockSize;
+
                 /* The block is being returned - it is allocated and owned by
                  * the application and has no "next" block. */
                 secureheapALLOCATE_BLOCK( pxBlock );
@@ -394,7 +397,10 @@ void * pvPortMalloc( size_t xWantedSize )
         mtCOVERAGE_TEST_MARKER();
     }
 
-    traceMALLOC( pvReturn, xWantedSize );
+    traceMALLOC( pvReturn, xAllocatedBlockSize );
+
+    /* Prevent compiler warnings when trace macros are not used. */
+    ( void ) xAllocatedBlockSize;
 
     #if ( secureconfigUSE_MALLOC_FAILED_HOOK == 1 )
     {

portable/GCC/ARM_CM23_NTZ/non_secure/port.c

@@ -225,6 +225,12 @@ typedef void ( * portISR_t )( void );
 
 #define portMPU_RLAR_REGION_ENABLE                  ( 1UL )
 
+#if ( portARMV8M_MINOR_VERSION >= 1 )
+    /* Enable Privileged eXecute Never MPU attribute for the selected memory
+     * region. */
+    #define portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER   ( 1UL << 4UL )
+#endif /* portARMV8M_MINOR_VERSION >= 1 */
+
 /* Enable privileged access to unmapped region. */
 #define portMPU_PRIV_BACKGROUND_ENABLE_BIT          ( 1UL << 2UL )
 
@@ -1880,6 +1886,16 @@ void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */
                 xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR = ( ulRegionEndAddress ) |
                                                                           ( portMPU_RLAR_REGION_ENABLE );
 
+                /* PXN. */
+                #if ( portARMV8M_MINOR_VERSION >= 1 )
+                {
+                    if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_PRIVILEGED_EXECUTE_NEVER ) != 0 )
+                    {
+                        xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR |= ( portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER );
+                    }
+                }
+                #endif /* portARMV8M_MINOR_VERSION >= 1 */
+
                 /* Normal memory/ Device memory. */
                 if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_DEVICE_MEMORY ) != 0 )
                 {

portable/GCC/ARM_CM23_NTZ/non_secure/portmacro.h

@@ -50,6 +50,7 @@
  */
 #define portARCH_NAME                    "Cortex-M23"
 #define portHAS_ARMV8M_MAIN_EXTENSION    0
+#define portARMV8M_MINOR_VERSION         0
 #define portDONT_DISCARD                 __attribute__( ( used ) )
 /*-----------------------------------------------------------*/
 

portable/GCC/ARM_CM33/non_secure/port.c

@@ -225,6 +225,12 @@ typedef void ( * portISR_t )( void );
 
 #define portMPU_RLAR_REGION_ENABLE                  ( 1UL )
 
+#if ( portARMV8M_MINOR_VERSION >= 1 )
+    /* Enable Privileged eXecute Never MPU attribute for the selected memory
+     * region. */
+    #define portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER   ( 1UL << 4UL )
+#endif /* portARMV8M_MINOR_VERSION >= 1 */
+
 /* Enable privileged access to unmapped region. */
 #define portMPU_PRIV_BACKGROUND_ENABLE_BIT          ( 1UL << 2UL )
 
@@ -1880,6 +1886,16 @@ void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */
                 xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR = ( ulRegionEndAddress ) |
                                                                           ( portMPU_RLAR_REGION_ENABLE );
 
+                /* PXN. */
+                #if ( portARMV8M_MINOR_VERSION >= 1 )
+                {
+                    if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_PRIVILEGED_EXECUTE_NEVER ) != 0 )
+                    {
+                        xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR |= ( portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER );
+                    }
+                }
+                #endif /* portARMV8M_MINOR_VERSION >= 1 */
+
                 /* Normal memory/ Device memory. */
                 if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_DEVICE_MEMORY ) != 0 )
                 {

portable/GCC/ARM_CM33/non_secure/portmacro.h

@@ -50,6 +50,7 @@
  */
 #define portARCH_NAME                    "Cortex-M33"
 #define portHAS_ARMV8M_MAIN_EXTENSION    1
+#define portARMV8M_MINOR_VERSION         0
 #define portDONT_DISCARD                 __attribute__( ( used ) )
 /*-----------------------------------------------------------*/
 

portable/GCC/ARM_CM33/secure/secure_heap.c

@@ -234,7 +234,7 @@ static void prvInsertBlockIntoFreeList( BlockLink_t * pxBlockToInsert )
         pxBlockToInsert->pxNextFreeBlock = pxIterator->pxNextFreeBlock;
     }
 
-    /* If the block being inserted plugged a gab, so was merged with the block
+    /* If the block being inserted plugged a gap, so was merged with the block
      * before and the block after, then it's pxNextFreeBlock pointer will have
      * already been set, and should not be set here as that would make it point
      * to itself. */
@@ -256,6 +256,7 @@ void * pvPortMalloc( size_t xWantedSize )
     BlockLink_t * pxNewBlockLink;
     void * pvReturn = NULL;
     size_t xAdditionalRequiredSize;
+    size_t xAllocatedBlockSize = 0;
 
     /* If this is the first call to malloc then the heap will require
      * initialisation to setup the list of free blocks. */
@@ -374,6 +375,8 @@ void * pvPortMalloc( size_t xWantedSize )
                     mtCOVERAGE_TEST_MARKER();
                 }
 
+                xAllocatedBlockSize = pxBlock->xBlockSize;
+
                 /* The block is being returned - it is allocated and owned by
                  * the application and has no "next" block. */
                 secureheapALLOCATE_BLOCK( pxBlock );
@@ -394,7 +397,10 @@ void * pvPortMalloc( size_t xWantedSize )
         mtCOVERAGE_TEST_MARKER();
     }
 
-    traceMALLOC( pvReturn, xWantedSize );
+    traceMALLOC( pvReturn, xAllocatedBlockSize );
+
+    /* Prevent compiler warnings when trace macros are not used. */
+    ( void ) xAllocatedBlockSize;
 
     #if ( secureconfigUSE_MALLOC_FAILED_HOOK == 1 )
     {

portable/GCC/ARM_CM33_NTZ/non_secure/port.c

@@ -225,6 +225,12 @@ typedef void ( * portISR_t )( void );
 
 #define portMPU_RLAR_REGION_ENABLE                  ( 1UL )
 
+#if ( portARMV8M_MINOR_VERSION >= 1 )
+    /* Enable Privileged eXecute Never MPU attribute for the selected memory
+     * region. */
+    #define portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER   ( 1UL << 4UL )
+#endif /* portARMV8M_MINOR_VERSION >= 1 */
+
 /* Enable privileged access to unmapped region. */
 #define portMPU_PRIV_BACKGROUND_ENABLE_BIT          ( 1UL << 2UL )
 
@@ -1880,6 +1886,16 @@ void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */
                 xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR = ( ulRegionEndAddress ) |
                                                                           ( portMPU_RLAR_REGION_ENABLE );
 
+                /* PXN. */
+                #if ( portARMV8M_MINOR_VERSION >= 1 )
+                {
+                    if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_PRIVILEGED_EXECUTE_NEVER ) != 0 )
+                    {
+                        xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR |= ( portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER );
+                    }
+                }
+                #endif /* portARMV8M_MINOR_VERSION >= 1 */
+
                 /* Normal memory/ Device memory. */
                 if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_DEVICE_MEMORY ) != 0 )
                 {

portable/GCC/ARM_CM33_NTZ/non_secure/portmacro.h

@@ -50,6 +50,7 @@
  */
 #define portARCH_NAME                    "Cortex-M33"
 #define portHAS_ARMV8M_MAIN_EXTENSION    1
+#define portARMV8M_MINOR_VERSION         0
 #define portDONT_DISCARD                 __attribute__( ( used ) )
 /*-----------------------------------------------------------*/
 

portable/GCC/ARM_CM35P/non_secure/port.c

@@ -225,6 +225,12 @@ typedef void ( * portISR_t )( void );
 
 #define portMPU_RLAR_REGION_ENABLE                  ( 1UL )
 
+#if ( portARMV8M_MINOR_VERSION >= 1 )
+    /* Enable Privileged eXecute Never MPU attribute for the selected memory
+     * region. */
+    #define portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER   ( 1UL << 4UL )
+#endif /* portARMV8M_MINOR_VERSION >= 1 */
+
 /* Enable privileged access to unmapped region. */
 #define portMPU_PRIV_BACKGROUND_ENABLE_BIT          ( 1UL << 2UL )
 
@@ -1880,6 +1886,16 @@ void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */
                 xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR = ( ulRegionEndAddress ) |
                                                                           ( portMPU_RLAR_REGION_ENABLE );
 
+                /* PXN. */
+                #if ( portARMV8M_MINOR_VERSION >= 1 )
+                {
+                    if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_PRIVILEGED_EXECUTE_NEVER ) != 0 )
+                    {
+                        xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR |= ( portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER );
+                    }
+                }
+                #endif /* portARMV8M_MINOR_VERSION >= 1 */
+
                 /* Normal memory/ Device memory. */
                 if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_DEVICE_MEMORY ) != 0 )
                 {

portable/GCC/ARM_CM35P/non_secure/portmacro.h

@@ -50,6 +50,7 @@
  */
 #define portARCH_NAME                    "Cortex-M35P"
 #define portHAS_ARMV8M_MAIN_EXTENSION    1
+#define portARMV8M_MINOR_VERSION         0
 #define portDONT_DISCARD                 __attribute__( ( used ) )
 /*-----------------------------------------------------------*/
 

portable/GCC/ARM_CM35P/secure/secure_heap.c

@@ -234,7 +234,7 @@ static void prvInsertBlockIntoFreeList( BlockLink_t * pxBlockToInsert )
         pxBlockToInsert->pxNextFreeBlock = pxIterator->pxNextFreeBlock;
     }
 
-    /* If the block being inserted plugged a gab, so was merged with the block
+    /* If the block being inserted plugged a gap, so was merged with the block
      * before and the block after, then it's pxNextFreeBlock pointer will have
      * already been set, and should not be set here as that would make it point
      * to itself. */
@@ -256,6 +256,7 @@ void * pvPortMalloc( size_t xWantedSize )
     BlockLink_t * pxNewBlockLink;
     void * pvReturn = NULL;
     size_t xAdditionalRequiredSize;
+    size_t xAllocatedBlockSize = 0;
 
     /* If this is the first call to malloc then the heap will require
      * initialisation to setup the list of free blocks. */
@@ -374,6 +375,8 @@ void * pvPortMalloc( size_t xWantedSize )
                     mtCOVERAGE_TEST_MARKER();
                 }
 
+                xAllocatedBlockSize = pxBlock->xBlockSize;
+
                 /* The block is being returned - it is allocated and owned by
                  * the application and has no "next" block. */
                 secureheapALLOCATE_BLOCK( pxBlock );
@@ -394,7 +397,10 @@ void * pvPortMalloc( size_t xWantedSize )
         mtCOVERAGE_TEST_MARKER();
     }
 
-    traceMALLOC( pvReturn, xWantedSize );
+    traceMALLOC( pvReturn, xAllocatedBlockSize );
+
+    /* Prevent compiler warnings when trace macros are not used. */
+    ( void ) xAllocatedBlockSize;
 
     #if ( secureconfigUSE_MALLOC_FAILED_HOOK == 1 )
     {

portable/GCC/ARM_CM35P_NTZ/non_secure/port.c

@@ -225,6 +225,12 @@ typedef void ( * portISR_t )( void );
 
 #define portMPU_RLAR_REGION_ENABLE                  ( 1UL )
 
+#if ( portARMV8M_MINOR_VERSION >= 1 )
+    /* Enable Privileged eXecute Never MPU attribute for the selected memory
+     * region. */
+    #define portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER   ( 1UL << 4UL )
+#endif /* portARMV8M_MINOR_VERSION >= 1 */
+
 /* Enable privileged access to unmapped region. */
 #define portMPU_PRIV_BACKGROUND_ENABLE_BIT          ( 1UL << 2UL )
 
@@ -1880,6 +1886,16 @@ void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */
                 xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR = ( ulRegionEndAddress ) |
                                                                           ( portMPU_RLAR_REGION_ENABLE );
 
+                /* PXN. */
+                #if ( portARMV8M_MINOR_VERSION >= 1 )
+                {
+                    if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_PRIVILEGED_EXECUTE_NEVER ) != 0 )
+                    {
+                        xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR |= ( portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER );
+                    }
+                }
+                #endif /* portARMV8M_MINOR_VERSION >= 1 */
+
                 /* Normal memory/ Device memory. */
                 if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_DEVICE_MEMORY ) != 0 )
                 {

portable/GCC/ARM_CM35P_NTZ/non_secure/portmacro.h

@@ -50,6 +50,7 @@
  */
 #define portARCH_NAME                    "Cortex-M35P"
 #define portHAS_ARMV8M_MAIN_EXTENSION    1
+#define portARMV8M_MINOR_VERSION         0
 #define portDONT_DISCARD                 __attribute__( ( used ) )
 /*-----------------------------------------------------------*/
 

portable/GCC/ARM_CM4F/port.c

@@ -34,7 +34,7 @@
 #include "FreeRTOS.h"
 #include "task.h"
 
-#ifndef __VFP_FP__
+#ifndef __ARM_FP
     #error This port can only be used when the project options are configured to enable hardware floating point support.
 #endif
 

portable/GCC/ARM_CM4_MPU/port.c

@@ -40,7 +40,7 @@
 #include "task.h"
 #include "mpu_syscall_numbers.h"
 
-#ifndef __VFP_FP__
+#ifndef __ARM_FP
     #error This port can only be used when the project options are configured to enable hardware floating point support.
 #endif
 

portable/GCC/ARM_CM55/non_secure/port.c

@@ -225,6 +225,12 @@ typedef void ( * portISR_t )( void );
 
 #define portMPU_RLAR_REGION_ENABLE                  ( 1UL )
 
+#if ( portARMV8M_MINOR_VERSION >= 1 )
+    /* Enable Privileged eXecute Never MPU attribute for the selected memory
+     * region. */
+    #define portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER   ( 1UL << 4UL )
+#endif /* portARMV8M_MINOR_VERSION >= 1 */
+
 /* Enable privileged access to unmapped region. */
 #define portMPU_PRIV_BACKGROUND_ENABLE_BIT          ( 1UL << 2UL )
 
@@ -1880,6 +1886,16 @@ void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */
                 xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR = ( ulRegionEndAddress ) |
                                                                           ( portMPU_RLAR_REGION_ENABLE );
 
+                /* PXN. */
+                #if ( portARMV8M_MINOR_VERSION >= 1 )
+                {
+                    if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_PRIVILEGED_EXECUTE_NEVER ) != 0 )
+                    {
+                        xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR |= ( portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER );
+                    }
+                }
+                #endif /* portARMV8M_MINOR_VERSION >= 1 */
+
                 /* Normal memory/ Device memory. */
                 if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_DEVICE_MEMORY ) != 0 )
                 {

portable/GCC/ARM_CM55/non_secure/portmacro.h

@@ -55,6 +55,7 @@
  */
 #define portARCH_NAME                    "Cortex-M55"
 #define portHAS_ARMV8M_MAIN_EXTENSION    1
+#define portARMV8M_MINOR_VERSION         1
 #define portDONT_DISCARD                 __attribute__( ( used ) )
 /*-----------------------------------------------------------*/
 

portable/GCC/ARM_CM55/secure/secure_heap.c

@@ -234,7 +234,7 @@ static void prvInsertBlockIntoFreeList( BlockLink_t * pxBlockToInsert )
         pxBlockToInsert->pxNextFreeBlock = pxIterator->pxNextFreeBlock;
     }
 
-    /* If the block being inserted plugged a gab, so was merged with the block
+    /* If the block being inserted plugged a gap, so was merged with the block
      * before and the block after, then it's pxNextFreeBlock pointer will have
      * already been set, and should not be set here as that would make it point
      * to itself. */
@@ -256,6 +256,7 @@ void * pvPortMalloc( size_t xWantedSize )
     BlockLink_t * pxNewBlockLink;
     void * pvReturn = NULL;
     size_t xAdditionalRequiredSize;
+    size_t xAllocatedBlockSize = 0;
 
     /* If this is the first call to malloc then the heap will require
      * initialisation to setup the list of free blocks. */
@@ -374,6 +375,8 @@ void * pvPortMalloc( size_t xWantedSize )
                     mtCOVERAGE_TEST_MARKER();
                 }
 
+                xAllocatedBlockSize = pxBlock->xBlockSize;
+
                 /* The block is being returned - it is allocated and owned by
                  * the application and has no "next" block. */
                 secureheapALLOCATE_BLOCK( pxBlock );
@@ -394,7 +397,10 @@ void * pvPortMalloc( size_t xWantedSize )
         mtCOVERAGE_TEST_MARKER();
     }
 
-    traceMALLOC( pvReturn, xWantedSize );
+    traceMALLOC( pvReturn, xAllocatedBlockSize );
+
+    /* Prevent compiler warnings when trace macros are not used. */
+    ( void ) xAllocatedBlockSize;
 
     #if ( secureconfigUSE_MALLOC_FAILED_HOOK == 1 )
     {

portable/GCC/ARM_CM55_NTZ/non_secure/port.c

@@ -225,6 +225,12 @@ typedef void ( * portISR_t )( void );
 
 #define portMPU_RLAR_REGION_ENABLE                  ( 1UL )
 
+#if ( portARMV8M_MINOR_VERSION >= 1 )
+    /* Enable Privileged eXecute Never MPU attribute for the selected memory
+     * region. */
+    #define portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER   ( 1UL << 4UL )
+#endif /* portARMV8M_MINOR_VERSION >= 1 */
+
 /* Enable privileged access to unmapped region. */
 #define portMPU_PRIV_BACKGROUND_ENABLE_BIT          ( 1UL << 2UL )
 
@@ -1880,6 +1886,16 @@ void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */
                 xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR = ( ulRegionEndAddress ) |
                                                                           ( portMPU_RLAR_REGION_ENABLE );
 
+                /* PXN. */
+                #if ( portARMV8M_MINOR_VERSION >= 1 )
+                {
+                    if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_PRIVILEGED_EXECUTE_NEVER ) != 0 )
+                    {
+                        xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR |= ( portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER );
+                    }
+                }
+                #endif /* portARMV8M_MINOR_VERSION >= 1 */
+
                 /* Normal memory/ Device memory. */
                 if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_DEVICE_MEMORY ) != 0 )
                 {

portable/GCC/ARM_CM55_NTZ/non_secure/portmacro.h

@@ -55,6 +55,7 @@
  */
 #define portARCH_NAME                    "Cortex-M55"
 #define portHAS_ARMV8M_MAIN_EXTENSION    1
+#define portARMV8M_MINOR_VERSION         1
 #define portDONT_DISCARD                 __attribute__( ( used ) )
 /*-----------------------------------------------------------*/
 

portable/GCC/ARM_CM7/r0p1/port.c

@@ -34,7 +34,7 @@
 #include "FreeRTOS.h"
 #include "task.h"
 
-#ifndef __VFP_FP__
+#ifndef __ARM_FP
     #error This port can only be used when the project options are configured to enable hardware floating point support.
 #endif
 

portable/GCC/ARM_CM85/non_secure/port.c

@@ -225,6 +225,12 @@ typedef void ( * portISR_t )( void );
 
 #define portMPU_RLAR_REGION_ENABLE                  ( 1UL )
 
+#if ( portARMV8M_MINOR_VERSION >= 1 )
+    /* Enable Privileged eXecute Never MPU attribute for the selected memory
+     * region. */
+    #define portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER   ( 1UL << 4UL )
+#endif /* portARMV8M_MINOR_VERSION >= 1 */
+
 /* Enable privileged access to unmapped region. */
 #define portMPU_PRIV_BACKGROUND_ENABLE_BIT          ( 1UL << 2UL )
 
@@ -1880,6 +1886,16 @@ void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */
                 xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR = ( ulRegionEndAddress ) |
                                                                           ( portMPU_RLAR_REGION_ENABLE );
 
+                /* PXN. */
+                #if ( portARMV8M_MINOR_VERSION >= 1 )
+                {
+                    if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_PRIVILEGED_EXECUTE_NEVER ) != 0 )
+                    {
+                        xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR |= ( portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER );
+                    }
+                }
+                #endif /* portARMV8M_MINOR_VERSION >= 1 */
+
                 /* Normal memory/ Device memory. */
                 if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_DEVICE_MEMORY ) != 0 )
                 {

portable/GCC/ARM_CM85/non_secure/portmacro.h

@@ -55,6 +55,7 @@
  */
 #define portARCH_NAME                    "Cortex-M85"
 #define portHAS_ARMV8M_MAIN_EXTENSION    1
+#define portARMV8M_MINOR_VERSION         1
 #define portDONT_DISCARD                 __attribute__( ( used ) )
 /*-----------------------------------------------------------*/
 

portable/GCC/ARM_CM85/secure/secure_heap.c

@@ -234,7 +234,7 @@ static void prvInsertBlockIntoFreeList( BlockLink_t * pxBlockToInsert )
         pxBlockToInsert->pxNextFreeBlock = pxIterator->pxNextFreeBlock;
     }
 
-    /* If the block being inserted plugged a gab, so was merged with the block
+    /* If the block being inserted plugged a gap, so was merged with the block
      * before and the block after, then it's pxNextFreeBlock pointer will have
      * already been set, and should not be set here as that would make it point
      * to itself. */
@@ -256,6 +256,7 @@ void * pvPortMalloc( size_t xWantedSize )
     BlockLink_t * pxNewBlockLink;
     void * pvReturn = NULL;
     size_t xAdditionalRequiredSize;
+    size_t xAllocatedBlockSize = 0;
 
     /* If this is the first call to malloc then the heap will require
      * initialisation to setup the list of free blocks. */
@@ -374,6 +375,8 @@ void * pvPortMalloc( size_t xWantedSize )
                     mtCOVERAGE_TEST_MARKER();
                 }
 
+                xAllocatedBlockSize = pxBlock->xBlockSize;
+
                 /* The block is being returned - it is allocated and owned by
                  * the application and has no "next" block. */
                 secureheapALLOCATE_BLOCK( pxBlock );
@@ -394,7 +397,10 @@ void * pvPortMalloc( size_t xWantedSize )
         mtCOVERAGE_TEST_MARKER();
     }
 
-    traceMALLOC( pvReturn, xWantedSize );
+    traceMALLOC( pvReturn, xAllocatedBlockSize );
+
+    /* Prevent compiler warnings when trace macros are not used. */
+    ( void ) xAllocatedBlockSize;
 
     #if ( secureconfigUSE_MALLOC_FAILED_HOOK == 1 )
     {

portable/GCC/ARM_CM85_NTZ/non_secure/port.c

@@ -225,6 +225,12 @@ typedef void ( * portISR_t )( void );
 
 #define portMPU_RLAR_REGION_ENABLE                  ( 1UL )
 
+#if ( portARMV8M_MINOR_VERSION >= 1 )
+    /* Enable Privileged eXecute Never MPU attribute for the selected memory
+     * region. */
+    #define portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER   ( 1UL << 4UL )
+#endif /* portARMV8M_MINOR_VERSION >= 1 */
+
 /* Enable privileged access to unmapped region. */
 #define portMPU_PRIV_BACKGROUND_ENABLE_BIT          ( 1UL << 2UL )
 
@@ -1880,6 +1886,16 @@ void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */
                 xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR = ( ulRegionEndAddress ) |
                                                                           ( portMPU_RLAR_REGION_ENABLE );
 
+                /* PXN. */
+                #if ( portARMV8M_MINOR_VERSION >= 1 )
+                {
+                    if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_PRIVILEGED_EXECUTE_NEVER ) != 0 )
+                    {
+                        xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR |= ( portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER );
+                    }
+                }
+                #endif /* portARMV8M_MINOR_VERSION >= 1 */
+
                 /* Normal memory/ Device memory. */
                 if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_DEVICE_MEMORY ) != 0 )
                 {

portable/GCC/ARM_CM85_NTZ/non_secure/portmacro.h

@@ -55,6 +55,7 @@
  */
 #define portARCH_NAME                    "Cortex-M85"
 #define portHAS_ARMV8M_MAIN_EXTENSION    1
+#define portARMV8M_MINOR_VERSION         1
 #define portDONT_DISCARD                 __attribute__( ( used ) )
 /*-----------------------------------------------------------*/
 

portable/IAR/ARM_CM23/non_secure/port.c

@@ -225,6 +225,12 @@ typedef void ( * portISR_t )( void );
 
 #define portMPU_RLAR_REGION_ENABLE                  ( 1UL )
 
+#if ( portARMV8M_MINOR_VERSION >= 1 )
+    /* Enable Privileged eXecute Never MPU attribute for the selected memory
+     * region. */
+    #define portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER   ( 1UL << 4UL )
+#endif /* portARMV8M_MINOR_VERSION >= 1 */
+
 /* Enable privileged access to unmapped region. */
 #define portMPU_PRIV_BACKGROUND_ENABLE_BIT          ( 1UL << 2UL )
 
@@ -1880,6 +1886,16 @@ void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */
                 xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR = ( ulRegionEndAddress ) |
                                                                           ( portMPU_RLAR_REGION_ENABLE );
 
+                /* PXN. */
+                #if ( portARMV8M_MINOR_VERSION >= 1 )
+                {
+                    if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_PRIVILEGED_EXECUTE_NEVER ) != 0 )
+                    {
+                        xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR |= ( portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER );
+                    }
+                }
+                #endif /* portARMV8M_MINOR_VERSION >= 1 */
+
                 /* Normal memory/ Device memory. */
                 if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_DEVICE_MEMORY ) != 0 )
                 {

portable/IAR/ARM_CM23/non_secure/portmacro.h

@@ -50,6 +50,7 @@
  */
 #define portARCH_NAME                    "Cortex-M23"
 #define portHAS_ARMV8M_MAIN_EXTENSION    0
+#define portARMV8M_MINOR_VERSION         0
 #define portDONT_DISCARD                 __root
 /*-----------------------------------------------------------*/
 

portable/IAR/ARM_CM23/secure/secure_heap.c

@@ -234,7 +234,7 @@ static void prvInsertBlockIntoFreeList( BlockLink_t * pxBlockToInsert )
         pxBlockToInsert->pxNextFreeBlock = pxIterator->pxNextFreeBlock;
     }
 
-    /* If the block being inserted plugged a gab, so was merged with the block
+    /* If the block being inserted plugged a gap, so was merged with the block
      * before and the block after, then it's pxNextFreeBlock pointer will have
      * already been set, and should not be set here as that would make it point
      * to itself. */
@@ -256,6 +256,7 @@ void * pvPortMalloc( size_t xWantedSize )
     BlockLink_t * pxNewBlockLink;
     void * pvReturn = NULL;
     size_t xAdditionalRequiredSize;
+    size_t xAllocatedBlockSize = 0;
 
     /* If this is the first call to malloc then the heap will require
      * initialisation to setup the list of free blocks. */
@@ -374,6 +375,8 @@ void * pvPortMalloc( size_t xWantedSize )
                     mtCOVERAGE_TEST_MARKER();
                 }
 
+                xAllocatedBlockSize = pxBlock->xBlockSize;
+
                 /* The block is being returned - it is allocated and owned by
                  * the application and has no "next" block. */
                 secureheapALLOCATE_BLOCK( pxBlock );
@@ -394,7 +397,10 @@ void * pvPortMalloc( size_t xWantedSize )
         mtCOVERAGE_TEST_MARKER();
     }
 
-    traceMALLOC( pvReturn, xWantedSize );
+    traceMALLOC( pvReturn, xAllocatedBlockSize );
+
+    /* Prevent compiler warnings when trace macros are not used. */
+    ( void ) xAllocatedBlockSize;
 
     #if ( secureconfigUSE_MALLOC_FAILED_HOOK == 1 )
     {

portable/IAR/ARM_CM23_NTZ/non_secure/port.c

@@ -225,6 +225,12 @@ typedef void ( * portISR_t )( void );
 
 #define portMPU_RLAR_REGION_ENABLE                  ( 1UL )
 
+#if ( portARMV8M_MINOR_VERSION >= 1 )
+    /* Enable Privileged eXecute Never MPU attribute for the selected memory
+     * region. */
+    #define portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER   ( 1UL << 4UL )
+#endif /* portARMV8M_MINOR_VERSION >= 1 */
+
 /* Enable privileged access to unmapped region. */
 #define portMPU_PRIV_BACKGROUND_ENABLE_BIT          ( 1UL << 2UL )
 
@@ -1880,6 +1886,16 @@ void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */
                 xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR = ( ulRegionEndAddress ) |
                                                                           ( portMPU_RLAR_REGION_ENABLE );
 
+                /* PXN. */
+                #if ( portARMV8M_MINOR_VERSION >= 1 )
+                {
+                    if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_PRIVILEGED_EXECUTE_NEVER ) != 0 )
+                    {
+                        xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR |= ( portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER );
+                    }
+                }
+                #endif /* portARMV8M_MINOR_VERSION >= 1 */
+
                 /* Normal memory/ Device memory. */
                 if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_DEVICE_MEMORY ) != 0 )
                 {

portable/IAR/ARM_CM23_NTZ/non_secure/portmacro.h

@@ -50,6 +50,7 @@
  */
 #define portARCH_NAME                    "Cortex-M23"
 #define portHAS_ARMV8M_MAIN_EXTENSION    0
+#define portARMV8M_MINOR_VERSION         0
 #define portDONT_DISCARD                 __root
 /*-----------------------------------------------------------*/
 

portable/IAR/ARM_CM33/non_secure/port.c

@@ -225,6 +225,12 @@ typedef void ( * portISR_t )( void );
 
 #define portMPU_RLAR_REGION_ENABLE                  ( 1UL )
 
+#if ( portARMV8M_MINOR_VERSION >= 1 )
+    /* Enable Privileged eXecute Never MPU attribute for the selected memory
+     * region. */
+    #define portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER   ( 1UL << 4UL )
+#endif /* portARMV8M_MINOR_VERSION >= 1 */
+
 /* Enable privileged access to unmapped region. */
 #define portMPU_PRIV_BACKGROUND_ENABLE_BIT          ( 1UL << 2UL )
 
@@ -1880,6 +1886,16 @@ void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */
                 xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR = ( ulRegionEndAddress ) |
                                                                           ( portMPU_RLAR_REGION_ENABLE );
 
+                /* PXN. */
+                #if ( portARMV8M_MINOR_VERSION >= 1 )
+                {
+                    if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_PRIVILEGED_EXECUTE_NEVER ) != 0 )
+                    {
+                        xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR |= ( portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER );
+                    }
+                }
+                #endif /* portARMV8M_MINOR_VERSION >= 1 */
+
                 /* Normal memory/ Device memory. */
                 if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_DEVICE_MEMORY ) != 0 )
                 {

portable/IAR/ARM_CM33/non_secure/portmacro.h

@@ -50,6 +50,7 @@
  */
 #define portARCH_NAME                    "Cortex-M33"
 #define portHAS_ARMV8M_MAIN_EXTENSION    1
+#define portARMV8M_MINOR_VERSION         0
 #define portDONT_DISCARD                 __root
 /*-----------------------------------------------------------*/
 

portable/IAR/ARM_CM33/secure/secure_heap.c

@@ -234,7 +234,7 @@ static void prvInsertBlockIntoFreeList( BlockLink_t * pxBlockToInsert )
         pxBlockToInsert->pxNextFreeBlock = pxIterator->pxNextFreeBlock;
     }
 
-    /* If the block being inserted plugged a gab, so was merged with the block
+    /* If the block being inserted plugged a gap, so was merged with the block
      * before and the block after, then it's pxNextFreeBlock pointer will have
      * already been set, and should not be set here as that would make it point
      * to itself. */
@@ -256,6 +256,7 @@ void * pvPortMalloc( size_t xWantedSize )
     BlockLink_t * pxNewBlockLink;
     void * pvReturn = NULL;
     size_t xAdditionalRequiredSize;
+    size_t xAllocatedBlockSize = 0;
 
     /* If this is the first call to malloc then the heap will require
      * initialisation to setup the list of free blocks. */
@@ -374,6 +375,8 @@ void * pvPortMalloc( size_t xWantedSize )
                     mtCOVERAGE_TEST_MARKER();
                 }
 
+                xAllocatedBlockSize = pxBlock->xBlockSize;
+
                 /* The block is being returned - it is allocated and owned by
                  * the application and has no "next" block. */
                 secureheapALLOCATE_BLOCK( pxBlock );
@@ -394,7 +397,10 @@ void * pvPortMalloc( size_t xWantedSize )
         mtCOVERAGE_TEST_MARKER();
     }
 
-    traceMALLOC( pvReturn, xWantedSize );
+    traceMALLOC( pvReturn, xAllocatedBlockSize );
+
+    /* Prevent compiler warnings when trace macros are not used. */
+    ( void ) xAllocatedBlockSize;
 
     #if ( secureconfigUSE_MALLOC_FAILED_HOOK == 1 )
     {

portable/IAR/ARM_CM33_NTZ/non_secure/port.c

@@ -225,6 +225,12 @@ typedef void ( * portISR_t )( void );
 
 #define portMPU_RLAR_REGION_ENABLE                  ( 1UL )
 
+#if ( portARMV8M_MINOR_VERSION >= 1 )
+    /* Enable Privileged eXecute Never MPU attribute for the selected memory
+     * region. */
+    #define portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER   ( 1UL << 4UL )
+#endif /* portARMV8M_MINOR_VERSION >= 1 */
+
 /* Enable privileged access to unmapped region. */
 #define portMPU_PRIV_BACKGROUND_ENABLE_BIT          ( 1UL << 2UL )
 
@@ -1880,6 +1886,16 @@ void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */
                 xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR = ( ulRegionEndAddress ) |
                                                                           ( portMPU_RLAR_REGION_ENABLE );
 
+                /* PXN. */
+                #if ( portARMV8M_MINOR_VERSION >= 1 )
+                {
+                    if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_PRIVILEGED_EXECUTE_NEVER ) != 0 )
+                    {
+                        xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR |= ( portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER );
+                    }
+                }
+                #endif /* portARMV8M_MINOR_VERSION >= 1 */
+
                 /* Normal memory/ Device memory. */
                 if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_DEVICE_MEMORY ) != 0 )
                 {

portable/IAR/ARM_CM33_NTZ/non_secure/portmacro.h

@@ -50,6 +50,7 @@
  */
 #define portARCH_NAME                    "Cortex-M33"
 #define portHAS_ARMV8M_MAIN_EXTENSION    1
+#define portARMV8M_MINOR_VERSION         0
 #define portDONT_DISCARD                 __root
 /*-----------------------------------------------------------*/
 

portable/IAR/ARM_CM35P/non_secure/port.c

@@ -225,6 +225,12 @@ typedef void ( * portISR_t )( void );
 
 #define portMPU_RLAR_REGION_ENABLE                  ( 1UL )
 
+#if ( portARMV8M_MINOR_VERSION >= 1 )
+    /* Enable Privileged eXecute Never MPU attribute for the selected memory
+     * region. */
+    #define portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER   ( 1UL << 4UL )
+#endif /* portARMV8M_MINOR_VERSION >= 1 */
+
 /* Enable privileged access to unmapped region. */
 #define portMPU_PRIV_BACKGROUND_ENABLE_BIT          ( 1UL << 2UL )
 
@@ -1880,6 +1886,16 @@ void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */
                 xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR = ( ulRegionEndAddress ) |
                                                                           ( portMPU_RLAR_REGION_ENABLE );
 
+                /* PXN. */
+                #if ( portARMV8M_MINOR_VERSION >= 1 )
+                {
+                    if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_PRIVILEGED_EXECUTE_NEVER ) != 0 )
+                    {
+                        xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR |= ( portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER );
+                    }
+                }
+                #endif /* portARMV8M_MINOR_VERSION >= 1 */
+
                 /* Normal memory/ Device memory. */
                 if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_DEVICE_MEMORY ) != 0 )
                 {

portable/IAR/ARM_CM35P/non_secure/portmacro.h

@@ -50,6 +50,7 @@
  */
 #define portARCH_NAME                    "Cortex-M35P"
 #define portHAS_ARMV8M_MAIN_EXTENSION    1
+#define portARMV8M_MINOR_VERSION         0
 #define portDONT_DISCARD                 __root
 /*-----------------------------------------------------------*/
 

portable/IAR/ARM_CM35P/secure/secure_heap.c

@@ -234,7 +234,7 @@ static void prvInsertBlockIntoFreeList( BlockLink_t * pxBlockToInsert )
         pxBlockToInsert->pxNextFreeBlock = pxIterator->pxNextFreeBlock;
     }
 
-    /* If the block being inserted plugged a gab, so was merged with the block
+    /* If the block being inserted plugged a gap, so was merged with the block
      * before and the block after, then it's pxNextFreeBlock pointer will have
      * already been set, and should not be set here as that would make it point
      * to itself. */
@@ -256,6 +256,7 @@ void * pvPortMalloc( size_t xWantedSize )
     BlockLink_t * pxNewBlockLink;
     void * pvReturn = NULL;
     size_t xAdditionalRequiredSize;
+    size_t xAllocatedBlockSize = 0;
 
     /* If this is the first call to malloc then the heap will require
      * initialisation to setup the list of free blocks. */
@@ -374,6 +375,8 @@ void * pvPortMalloc( size_t xWantedSize )
                     mtCOVERAGE_TEST_MARKER();
                 }
 
+                xAllocatedBlockSize = pxBlock->xBlockSize;
+
                 /* The block is being returned - it is allocated and owned by
                  * the application and has no "next" block. */
                 secureheapALLOCATE_BLOCK( pxBlock );
@@ -394,7 +397,10 @@ void * pvPortMalloc( size_t xWantedSize )
         mtCOVERAGE_TEST_MARKER();
     }
 
-    traceMALLOC( pvReturn, xWantedSize );
+    traceMALLOC( pvReturn, xAllocatedBlockSize );
+
+    /* Prevent compiler warnings when trace macros are not used. */
+    ( void ) xAllocatedBlockSize;
 
     #if ( secureconfigUSE_MALLOC_FAILED_HOOK == 1 )
     {

portable/IAR/ARM_CM35P_NTZ/non_secure/port.c

@@ -225,6 +225,12 @@ typedef void ( * portISR_t )( void );
 
 #define portMPU_RLAR_REGION_ENABLE                  ( 1UL )
 
+#if ( portARMV8M_MINOR_VERSION >= 1 )
+    /* Enable Privileged eXecute Never MPU attribute for the selected memory
+     * region. */
+    #define portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER   ( 1UL << 4UL )
+#endif /* portARMV8M_MINOR_VERSION >= 1 */
+
 /* Enable privileged access to unmapped region. */
 #define portMPU_PRIV_BACKGROUND_ENABLE_BIT          ( 1UL << 2UL )
 
@@ -1880,6 +1886,16 @@ void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */
                 xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR = ( ulRegionEndAddress ) |
                                                                           ( portMPU_RLAR_REGION_ENABLE );
 
+                /* PXN. */
+                #if ( portARMV8M_MINOR_VERSION >= 1 )
+                {
+                    if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_PRIVILEGED_EXECUTE_NEVER ) != 0 )
+                    {
+                        xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR |= ( portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER );
+                    }
+                }
+                #endif /* portARMV8M_MINOR_VERSION >= 1 */
+
                 /* Normal memory/ Device memory. */
                 if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_DEVICE_MEMORY ) != 0 )
                 {

portable/IAR/ARM_CM35P_NTZ/non_secure/portmacro.h

@@ -50,6 +50,7 @@
  */
 #define portARCH_NAME                    "Cortex-M35P"
 #define portHAS_ARMV8M_MAIN_EXTENSION    1
+#define portARMV8M_MINOR_VERSION         0
 #define portDONT_DISCARD                 __root
 /*-----------------------------------------------------------*/
 

portable/IAR/ARM_CM55/non_secure/port.c

@@ -225,6 +225,12 @@ typedef void ( * portISR_t )( void );
 
 #define portMPU_RLAR_REGION_ENABLE                  ( 1UL )
 
+#if ( portARMV8M_MINOR_VERSION >= 1 )
+    /* Enable Privileged eXecute Never MPU attribute for the selected memory
+     * region. */
+    #define portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER   ( 1UL << 4UL )
+#endif /* portARMV8M_MINOR_VERSION >= 1 */
+
 /* Enable privileged access to unmapped region. */
 #define portMPU_PRIV_BACKGROUND_ENABLE_BIT          ( 1UL << 2UL )
 
@@ -1880,6 +1886,16 @@ void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */
                 xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR = ( ulRegionEndAddress ) |
                                                                           ( portMPU_RLAR_REGION_ENABLE );
 
+                /* PXN. */
+                #if ( portARMV8M_MINOR_VERSION >= 1 )
+                {
+                    if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_PRIVILEGED_EXECUTE_NEVER ) != 0 )
+                    {
+                        xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR |= ( portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER );
+                    }
+                }
+                #endif /* portARMV8M_MINOR_VERSION >= 1 */
+
                 /* Normal memory/ Device memory. */
                 if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_DEVICE_MEMORY ) != 0 )
                 {

portable/IAR/ARM_CM55/non_secure/portmacro.h

@@ -55,6 +55,7 @@
  */
 #define portARCH_NAME                    "Cortex-M55"
 #define portHAS_ARMV8M_MAIN_EXTENSION    1
+#define portARMV8M_MINOR_VERSION         1
 #define portDONT_DISCARD                 __root
 /*-----------------------------------------------------------*/
 

portable/IAR/ARM_CM55/secure/secure_heap.c

@@ -234,7 +234,7 @@ static void prvInsertBlockIntoFreeList( BlockLink_t * pxBlockToInsert )
         pxBlockToInsert->pxNextFreeBlock = pxIterator->pxNextFreeBlock;
     }
 
-    /* If the block being inserted plugged a gab, so was merged with the block
+    /* If the block being inserted plugged a gap, so was merged with the block
      * before and the block after, then it's pxNextFreeBlock pointer will have
      * already been set, and should not be set here as that would make it point
      * to itself. */
@@ -256,6 +256,7 @@ void * pvPortMalloc( size_t xWantedSize )
     BlockLink_t * pxNewBlockLink;
     void * pvReturn = NULL;
     size_t xAdditionalRequiredSize;
+    size_t xAllocatedBlockSize = 0;
 
     /* If this is the first call to malloc then the heap will require
      * initialisation to setup the list of free blocks. */
@@ -374,6 +375,8 @@ void * pvPortMalloc( size_t xWantedSize )
                     mtCOVERAGE_TEST_MARKER();
                 }
 
+                xAllocatedBlockSize = pxBlock->xBlockSize;
+
                 /* The block is being returned - it is allocated and owned by
                  * the application and has no "next" block. */
                 secureheapALLOCATE_BLOCK( pxBlock );
@@ -394,7 +397,10 @@ void * pvPortMalloc( size_t xWantedSize )
         mtCOVERAGE_TEST_MARKER();
     }
 
-    traceMALLOC( pvReturn, xWantedSize );
+    traceMALLOC( pvReturn, xAllocatedBlockSize );
+
+    /* Prevent compiler warnings when trace macros are not used. */
+    ( void ) xAllocatedBlockSize;
 
     #if ( secureconfigUSE_MALLOC_FAILED_HOOK == 1 )
     {

portable/IAR/ARM_CM55_NTZ/non_secure/port.c

@@ -225,6 +225,12 @@ typedef void ( * portISR_t )( void );
 
 #define portMPU_RLAR_REGION_ENABLE                  ( 1UL )
 
+#if ( portARMV8M_MINOR_VERSION >= 1 )
+    /* Enable Privileged eXecute Never MPU attribute for the selected memory
+     * region. */
+    #define portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER   ( 1UL << 4UL )
+#endif /* portARMV8M_MINOR_VERSION >= 1 */
+
 /* Enable privileged access to unmapped region. */
 #define portMPU_PRIV_BACKGROUND_ENABLE_BIT          ( 1UL << 2UL )
 
@@ -1880,6 +1886,16 @@ void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */
                 xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR = ( ulRegionEndAddress ) |
                                                                           ( portMPU_RLAR_REGION_ENABLE );
 
+                /* PXN. */
+                #if ( portARMV8M_MINOR_VERSION >= 1 )
+                {
+                    if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_PRIVILEGED_EXECUTE_NEVER ) != 0 )
+                    {
+                        xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR |= ( portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER );
+                    }
+                }
+                #endif /* portARMV8M_MINOR_VERSION >= 1 */
+
                 /* Normal memory/ Device memory. */
                 if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_DEVICE_MEMORY ) != 0 )
                 {

portable/IAR/ARM_CM55_NTZ/non_secure/portmacro.h

@@ -55,6 +55,7 @@
  */
 #define portARCH_NAME                    "Cortex-M55"
 #define portHAS_ARMV8M_MAIN_EXTENSION    1
+#define portARMV8M_MINOR_VERSION         1
 #define portDONT_DISCARD                 __root
 /*-----------------------------------------------------------*/
 

portable/IAR/ARM_CM85/non_secure/port.c

@@ -225,6 +225,12 @@ typedef void ( * portISR_t )( void );
 
 #define portMPU_RLAR_REGION_ENABLE                  ( 1UL )
 
+#if ( portARMV8M_MINOR_VERSION >= 1 )
+    /* Enable Privileged eXecute Never MPU attribute for the selected memory
+     * region. */
+    #define portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER   ( 1UL << 4UL )
+#endif /* portARMV8M_MINOR_VERSION >= 1 */
+
 /* Enable privileged access to unmapped region. */
 #define portMPU_PRIV_BACKGROUND_ENABLE_BIT          ( 1UL << 2UL )
 
@@ -1880,6 +1886,16 @@ void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */
                 xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR = ( ulRegionEndAddress ) |
                                                                           ( portMPU_RLAR_REGION_ENABLE );
 
+                /* PXN. */
+                #if ( portARMV8M_MINOR_VERSION >= 1 )
+                {
+                    if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_PRIVILEGED_EXECUTE_NEVER ) != 0 )
+                    {
+                        xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR |= ( portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER );
+                    }
+                }
+                #endif /* portARMV8M_MINOR_VERSION >= 1 */
+
                 /* Normal memory/ Device memory. */
                 if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_DEVICE_MEMORY ) != 0 )
                 {

portable/IAR/ARM_CM85/non_secure/portmacro.h

@@ -55,6 +55,7 @@
  */
 #define portARCH_NAME                    "Cortex-M85"
 #define portHAS_ARMV8M_MAIN_EXTENSION    1
+#define portARMV8M_MINOR_VERSION         1
 #define portDONT_DISCARD                 __root
 /*-----------------------------------------------------------*/
 

portable/IAR/ARM_CM85/secure/secure_heap.c

@@ -234,7 +234,7 @@ static void prvInsertBlockIntoFreeList( BlockLink_t * pxBlockToInsert )
         pxBlockToInsert->pxNextFreeBlock = pxIterator->pxNextFreeBlock;
     }
 
-    /* If the block being inserted plugged a gab, so was merged with the block
+    /* If the block being inserted plugged a gap, so was merged with the block
      * before and the block after, then it's pxNextFreeBlock pointer will have
      * already been set, and should not be set here as that would make it point
      * to itself. */
@@ -256,6 +256,7 @@ void * pvPortMalloc( size_t xWantedSize )
     BlockLink_t * pxNewBlockLink;
     void * pvReturn = NULL;
     size_t xAdditionalRequiredSize;
+    size_t xAllocatedBlockSize = 0;
 
     /* If this is the first call to malloc then the heap will require
      * initialisation to setup the list of free blocks. */
@@ -374,6 +375,8 @@ void * pvPortMalloc( size_t xWantedSize )
                     mtCOVERAGE_TEST_MARKER();
                 }
 
+                xAllocatedBlockSize = pxBlock->xBlockSize;
+
                 /* The block is being returned - it is allocated and owned by
                  * the application and has no "next" block. */
                 secureheapALLOCATE_BLOCK( pxBlock );
@@ -394,7 +397,10 @@ void * pvPortMalloc( size_t xWantedSize )
         mtCOVERAGE_TEST_MARKER();
     }
 
-    traceMALLOC( pvReturn, xWantedSize );
+    traceMALLOC( pvReturn, xAllocatedBlockSize );
+
+    /* Prevent compiler warnings when trace macros are not used. */
+    ( void ) xAllocatedBlockSize;
 
     #if ( secureconfigUSE_MALLOC_FAILED_HOOK == 1 )
     {

portable/IAR/ARM_CM85_NTZ/non_secure/port.c

@@ -225,6 +225,12 @@ typedef void ( * portISR_t )( void );
 
 #define portMPU_RLAR_REGION_ENABLE                  ( 1UL )
 
+#if ( portARMV8M_MINOR_VERSION >= 1 )
+    /* Enable Privileged eXecute Never MPU attribute for the selected memory
+     * region. */
+    #define portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER   ( 1UL << 4UL )
+#endif /* portARMV8M_MINOR_VERSION >= 1 */
+
 /* Enable privileged access to unmapped region. */
 #define portMPU_PRIV_BACKGROUND_ENABLE_BIT          ( 1UL << 2UL )
 
@@ -1880,6 +1886,16 @@ void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */
                 xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR = ( ulRegionEndAddress ) |
                                                                           ( portMPU_RLAR_REGION_ENABLE );
 
+                /* PXN. */
+                #if ( portARMV8M_MINOR_VERSION >= 1 )
+                {
+                    if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_PRIVILEGED_EXECUTE_NEVER ) != 0 )
+                    {
+                        xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR |= ( portMPU_RLAR_PRIVILEGED_EXECUTE_NEVER );
+                    }
+                }
+                #endif /* portARMV8M_MINOR_VERSION >= 1 */
+
                 /* Normal memory/ Device memory. */
                 if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_DEVICE_MEMORY ) != 0 )
                 {

portable/IAR/ARM_CM85_NTZ/non_secure/portmacro.h

@@ -55,6 +55,7 @@
  */
 #define portARCH_NAME                    "Cortex-M85"
 #define portHAS_ARMV8M_MAIN_EXTENSION    1
+#define portARMV8M_MINOR_VERSION         1
 #define portDONT_DISCARD                 __root
 /*-----------------------------------------------------------*/
 

portable/MSVC-MingW/portmacro.h

@@ -40,6 +40,10 @@
 #include <mmsystem.h>
 #include <winbase.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /******************************************************************************
 *   Defines
 ******************************************************************************/
@@ -215,4 +219,8 @@ void vPortGenerateSimulatedInterruptFromWindowsThread( uint32_t ulInterruptNumbe
 void vPortSetInterruptHandler( uint32_t ulInterruptNumber,
                                uint32_t ( * pvHandler )( void ) );
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* ifndef PORTMACRO_H */

portable/MemMang/heap_1.c

@@ -53,11 +53,19 @@
 /* A few bytes might be lost to byte aligning the heap start address. */
 #define configADJUSTED_HEAP_SIZE        ( configTOTAL_HEAP_SIZE - portBYTE_ALIGNMENT )
 
+/* Max value that fits in a size_t type. */
+#define heapSIZE_MAX                    ( ~( ( size_t ) 0 ) )
+
+/* Check if adding a and b will result in overflow. */
+#define heapADD_WILL_OVERFLOW( a, b )   ( ( a ) > ( heapSIZE_MAX - ( b ) ) )
+
+/*-----------------------------------------------------------*/
+
 /* Allocate the memory for the heap. */
 #if ( configAPPLICATION_ALLOCATED_HEAP == 1 )
 
 /* The application writer has already defined the array used for the RTOS
-* heap - probably so it can be placed in a special segment or address. */
+ * heap - probably so it can be placed in a special segment or address. */
     extern uint8_t ucHeap[ configTOTAL_HEAP_SIZE ];
 #else
     static uint8_t ucHeap[ configTOTAL_HEAP_SIZE ];
@@ -76,12 +84,16 @@ void * pvPortMalloc( size_t xWantedSize )
     /* Ensure that blocks are always aligned. */
     #if ( portBYTE_ALIGNMENT != 1 )
     {
-        if( xWantedSize & portBYTE_ALIGNMENT_MASK )
+        size_t xAdditionalRequiredSize;
+
+        if( ( xWantedSize & portBYTE_ALIGNMENT_MASK ) != 0x00 )
         {
-            /* Byte alignment required. Check for overflow. */
+            /* Byte alignment required. */
-            if( ( xWantedSize + ( portBYTE_ALIGNMENT - ( xWantedSize & portBYTE_ALIGNMENT_MASK ) ) ) > xWantedSize )
+            xAdditionalRequiredSize = portBYTE_ALIGNMENT - ( xWantedSize & portBYTE_ALIGNMENT_MASK );
+
+            if( heapADD_WILL_OVERFLOW( xWantedSize, xAdditionalRequiredSize ) == 0 )
             {
-                xWantedSize += ( portBYTE_ALIGNMENT - ( xWantedSize & portBYTE_ALIGNMENT_MASK ) );
+                xWantedSize += xAdditionalRequiredSize;
             }
             else
             {
@@ -96,13 +108,14 @@ void * pvPortMalloc( size_t xWantedSize )
         if( pucAlignedHeap == NULL )
         {
             /* Ensure the heap starts on a correctly aligned boundary. */
-            pucAlignedHeap = ( uint8_t * ) ( ( ( portPOINTER_SIZE_TYPE ) & ucHeap[ portBYTE_ALIGNMENT - 1 ] ) & ( ~( ( portPOINTER_SIZE_TYPE ) portBYTE_ALIGNMENT_MASK ) ) );
+            pucAlignedHeap = ( uint8_t * ) ( ( ( portPOINTER_SIZE_TYPE ) &( ucHeap[ portBYTE_ALIGNMENT - 1 ] ) ) &
+                                             ( ~( ( portPOINTER_SIZE_TYPE ) portBYTE_ALIGNMENT_MASK ) ) );
         }
 
-        /* Check there is enough room left for the allocation and. */
+        /* Check there is enough room left for the allocation. */
-        if( ( xWantedSize > 0 ) &&                                /* valid size */
+        if( ( xWantedSize > 0 ) &&
-            ( ( xNextFreeByte + xWantedSize ) < configADJUSTED_HEAP_SIZE ) &&
+            ( heapADD_WILL_OVERFLOW( xNextFreeByte, xWantedSize ) == 0 ) &&
-            ( ( xNextFreeByte + xWantedSize ) > xNextFreeByte ) ) /* Check for overflow. */
+            ( ( xNextFreeByte + xWantedSize ) < configADJUSTED_HEAP_SIZE ) )
         {
             /* Return the next free byte then increment the index past this
              * block. */

portable/MemMang/heap_2.c

@@ -87,7 +87,7 @@
 #if ( configAPPLICATION_ALLOCATED_HEAP == 1 )
 
 /* The application writer has already defined the array used for the RTOS
-* heap - probably so it can be placed in a special segment or address. */
+ * heap - probably so it can be placed in a special segment or address. */
     extern uint8_t ucHeap[ configTOTAL_HEAP_SIZE ];
 #else
     PRIVILEGED_DATA static uint8_t ucHeap[ configTOTAL_HEAP_SIZE ];
@@ -160,6 +160,7 @@ void * pvPortMalloc( size_t xWantedSize )
     BlockLink_t * pxNewBlockLink;
     void * pvReturn = NULL;
     size_t xAdditionalRequiredSize;
+    size_t xAllocatedBlockSize = 0;
 
     if( xWantedSize > 0 )
     {
@@ -261,6 +262,8 @@ void * pvPortMalloc( size_t xWantedSize )
 
                     xFreeBytesRemaining -= pxBlock->xBlockSize;
 
+                    xAllocatedBlockSize = pxBlock->xBlockSize;
+
                     /* The block is being returned - it is allocated and owned
                      * by the application and has no "next" block. */
                     heapALLOCATE_BLOCK( pxBlock );
@@ -269,7 +272,10 @@ void * pvPortMalloc( size_t xWantedSize )
             }
         }
 
-        traceMALLOC( pvReturn, xWantedSize );
+        traceMALLOC( pvReturn, xAllocatedBlockSize );
+
+        /* Prevent compiler warnings when trace macros are not used. */
+        ( void ) xAllocatedBlockSize;
     }
     ( void ) xTaskResumeAll();
 

portable/MemMang/heap_4.c

@@ -89,7 +89,7 @@
 #if ( configAPPLICATION_ALLOCATED_HEAP == 1 )
 
 /* The application writer has already defined the array used for the RTOS
-* heap - probably so it can be placed in a special segment or address. */
+ * heap - probably so it can be placed in a special segment or address. */
     extern uint8_t ucHeap[ configTOTAL_HEAP_SIZE ];
 #else
     PRIVILEGED_DATA static uint8_t ucHeap[ configTOTAL_HEAP_SIZE ];
@@ -177,6 +177,7 @@ void * pvPortMalloc( size_t xWantedSize )
     BlockLink_t * pxNewBlockLink;
     void * pvReturn = NULL;
     size_t xAdditionalRequiredSize;
+    size_t xAllocatedBlockSize = 0;
 
     if( xWantedSize > 0 )
     {
@@ -302,6 +303,8 @@ void * pvPortMalloc( size_t xWantedSize )
                         mtCOVERAGE_TEST_MARKER();
                     }
 
+                    xAllocatedBlockSize = pxBlock->xBlockSize;
+
                     /* The block is being returned - it is allocated and owned
                      * by the application and has no "next" block. */
                     heapALLOCATE_BLOCK( pxBlock );
@@ -323,7 +326,10 @@ void * pvPortMalloc( size_t xWantedSize )
             mtCOVERAGE_TEST_MARKER();
         }
 
-        traceMALLOC( pvReturn, xWantedSize );
+        traceMALLOC( pvReturn, xAllocatedBlockSize );
+
+        /* Prevent compiler warnings when trace macros are not used. */
+        ( void ) xAllocatedBlockSize;
     }
     ( void ) xTaskResumeAll();
 
@@ -542,7 +548,7 @@ static void prvInsertBlockIntoFreeList( BlockLink_t * pxBlockToInsert ) /* PRIVI
         pxBlockToInsert->pxNextFreeBlock = pxIterator->pxNextFreeBlock;
     }
 
-    /* If the block being inserted plugged a gab, so was merged with the block
+    /* If the block being inserted plugged a gap, so was merged with the block
      * before and the block after, then it's pxNextFreeBlock pointer will have
      * already been set, and should not be set here as that would make it point
      * to itself. */

portable/MemMang/heap_5.c

@@ -212,6 +212,7 @@ void * pvPortMalloc( size_t xWantedSize )
     BlockLink_t * pxNewBlockLink;
     void * pvReturn = NULL;
     size_t xAdditionalRequiredSize;
+    size_t xAllocatedBlockSize = 0;
 
     /* The heap must be initialised before the first call to
      * pvPortMalloc(). */
@@ -330,6 +331,8 @@ void * pvPortMalloc( size_t xWantedSize )
                         mtCOVERAGE_TEST_MARKER();
                     }
 
+                    xAllocatedBlockSize = pxBlock->xBlockSize;
+
                     /* The block is being returned - it is allocated and owned
                      * by the application and has no "next" block. */
                     heapALLOCATE_BLOCK( pxBlock );
@@ -351,7 +354,10 @@ void * pvPortMalloc( size_t xWantedSize )
             mtCOVERAGE_TEST_MARKER();
         }
 
-        traceMALLOC( pvReturn, xWantedSize );
+        traceMALLOC( pvReturn, xAllocatedBlockSize );
+
+        /* Prevent compiler warnings when trace macros are not used. */
+        ( void ) xAllocatedBlockSize;
     }
     ( void ) xTaskResumeAll();
 

portable/ThirdParty/GCC/Posix/port.c

@@ -49,12 +49,10 @@
 * only or serialized with a FreeRTOS primitive such as a binary
 * semaphore or mutex.
 *----------------------------------------------------------*/
-#include "portmacro.h"
-
 #ifdef __linux__
-    #define __USE_GNU
+    #define _GNU_SOURCE
 #endif
-
+#include "portmacro.h"
 #include <errno.h>
 #include <pthread.h>
 #include <limits.h>
@@ -182,7 +180,7 @@ StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
     thread->xDying = pdFALSE;
 
     /* Ensure ulStackSize is at least PTHREAD_STACK_MIN */
-    ulStackSize = (ulStackSize < PTHREAD_STACK_MIN) ? PTHREAD_STACK_MIN : ulStackSize;
+    ulStackSize = (ulStackSize < ( size_t ) ( PTHREAD_STACK_MIN ) ) ? ( size_t ) ( PTHREAD_STACK_MIN ) : ulStackSize;
 
     pthread_attr_init( &xThreadAttributes );
     iRet = pthread_attr_setstacksize( &xThreadAttributes, ulStackSize );

portable/ThirdParty/GCC/Posix/utils/wait_for_event.c

@@ -43,9 +43,13 @@ struct event * event_create( void )
 {
     struct event * ev = malloc( sizeof( struct event ) );
 
+    if( ev != NULL )
+    {
         ev->event_triggered = false;
         pthread_mutex_init( &ev->mutex, NULL );
         pthread_cond_init( &ev->cond, NULL );
+    }
+
     return ev;
 }
 

portable/ThirdParty/GCC/RP2040/README.md

@@ -26,7 +26,7 @@ This will locate the FreeRTOS kernel if it is a direct sub-module of your projec
 version, you can include the FreeRTOS-Kernel support later in your CMake build (possibly in a subdirectory) and the
 FreeRTOS-Kernel support will only apply to those targets which explicitly include FreeRTOS support.
 
-As an alternative to the `import` statement above, you can just add this directory directly via thw following (with
+As an alternative to the `import` statement above, you can just add this directory directly via the following (with
 the same placement restrictions related to the Raspberry Pi Pico SDK version above):
 
 ```cmake

portable/ThirdParty/xClang/XCOREAI/port.c

@@ -12,6 +12,15 @@ static hwtimer_t xKernelTimer;
 
 uint32_t ulPortYieldRequired[ portMAX_CORE_COUNT ] = { pdFALSE };
 
+/* When this port was designed, it was assumed that pxCurrentTCBs would always
+   exist and that it would always be an array containing pointers to the current
+   TCBs for each core. In v11, this is not the case; if we are only running one
+   core, the symbol is pxCurrentTCB instead. Therefore, this port adds a layer
+   of indirection - we populate this pointer-to-pointer in the RTOS kernel entry
+   function below. This makes this port agnostic to whether it is running on SMP
+   or singlecore RTOS. */
+void ** xcorePvtTCBContainer;
+
 /*-----------------------------------------------------------*/
 
 void vIntercoreInterruptISR( void )
@@ -140,6 +149,28 @@ DEFINE_RTOS_KERNEL_ENTRY( void, vPortStartSchedulerOnCore, void )
     }
     #endif
 
+    /* Populate the TCBContainer depending on whether we're singlecore or SMP */
+    #if ( configNUMBER_OF_CORES == 1 )
+    {
+        asm volatile (
+            "ldaw %0, dp[pxCurrentTCB]\n\t"
+            : "=r"(xcorePvtTCBContainer)
+            : /* no inputs */
+            : /* no clobbers */
+            );
+    }
+    #else
+    {
+        asm volatile (
+            "ldaw %0, dp[pxCurrentTCBs]\n\t"
+            : "=r"(xcorePvtTCBContainer)
+            : /* no inputs */
+            : /* no clobbers */
+            );
+    }
+
+    #endif
+
     debug_printf( "FreeRTOS Core %d initialized\n", xCoreID );
 
     /*
@@ -147,8 +178,8 @@ DEFINE_RTOS_KERNEL_ENTRY( void, vPortStartSchedulerOnCore, void )
      * to run and jump into it.
      */
     asm volatile (
-        "mov r6, %0\n\t"                 /* R6 must be the FreeRTOS core ID*/
+        "mov r6, %0\n\t"                       /* R6 must be the FreeRTOS core ID. In singlecore this is always 0. */
-        "ldaw r5, dp[pxCurrentTCBs]\n\t" /* R5 must be the TCB list which is indexed by R6 */
+        "ldw r5, dp[xcorePvtTCBContainer]\n\t" /* R5 must be the TCB list which is indexed by R6 */
         "bu _freertos_restore_ctx\n\t"
         :                                /* no outputs */
         : "r" ( xCoreID )

portable/ThirdParty/xClang/XCOREAI/portasm.S

@@ -14,11 +14,8 @@ rest of the ISR callback functions. */
 .issue_mode dual
 .cc_top kexcept.function, kexcept
 kexcept:
-  ldc r11, 0x0008
+  bu _DoException       /* This symbol is generated by the toolchain and */
-  shl r11, r11, 16
+                        /* provides graceful exception handling */
-  ldc r9, 0x0080
-  or  r11, r11, r9
-  bau r11 //_TrapHandler is at 0x00080080. TODO: Is it always? Why can't I access the symbol _TrapHandler?
 
 _yield:
  {set    sp,     r4                  /* Restore the task's SP to save the rest of its context. */
@@ -123,7 +120,7 @@ _yield_continue:
   ldaw   r11,    sp[37]}
   vstc   r11[0]
 #endif
-  ldaw   r5,     dp[pxCurrentTCBs] /* Get the current TCB array into r5. */
+  ldw    r5,     dp[xcorePvtTCBContainer]
   ldw    r1,     r5[r0]            /* Get this core's current TCB pointer into r1. */
   stw    r4,     r1[0x0]           /* Save the current task's SP to the first */
                                    /* word (top of stack) in the current TCB. */

tasks.c

@@ -886,10 +886,11 @@ static void prvAddNewTaskToReadyList( TCB_t * pxNewTCB ) PRIVILEGED_FUNCTION;
 
             portENABLE_INTERRUPTS();
 
-            /* Enabling interrupts should cause this core to immediately
+            /* Enabling interrupts should cause this core to immediately service
-             * service the pending interrupt and yield. If the run state is still
+             * the pending interrupt and yield. After servicing the pending interrupt,
-             * yielding here then that is a problem. */
+             * the task needs to re-evaluate its run state within this loop, as
-            configASSERT( pxThisTCB->xTaskRunState != taskTASK_SCHEDULED_TO_YIELD );
+             * other cores may have requested this task to yield, potentially altering
+             * its run state. */
 
             portDISABLE_INTERRUPTS();
             portGET_TASK_LOCK();
@@ -3780,6 +3781,8 @@ void vTaskStartScheduler( void )
 
         traceTASK_SWITCHED_IN();
 
+        traceSTARTING_SCHEDULER( xIdleTaskHandles );
+
         /* Setting up the timer tick is hardware specific and thus in the
          * portable interface. */
 
@@ -3943,10 +3946,10 @@ void vTaskSuspendAll( void )
     static TickType_t prvGetExpectedIdleTime( void )
     {
         TickType_t xReturn;
-        UBaseType_t uxHigherPriorityReadyTasks = pdFALSE;
+        BaseType_t uxHigherPriorityReadyTasks = pdFALSE;
         TCB_t * const pxConstCurrentTCB = prvGetCurrentTaskTCB();
 
-        /* uxHigherPriorityReadyTasks takes care of the case where
+        /* xHigherPriorityReadyTasks takes care of the case where
          * configUSE_PREEMPTION is 0, so there may be tasks above the idle priority
          * task that are in the Ready state, even though the idle task is
          * running. */
@@ -3954,7 +3957,7 @@ void vTaskSuspendAll( void )
         {
             if( uxTopReadyPriority > tskIDLE_PRIORITY )
             {
-                uxHigherPriorityReadyTasks = pdTRUE;
+                xHigherPriorityReadyTasks = pdTRUE;
             }
         }
         #else
@@ -3968,7 +3971,7 @@ void vTaskSuspendAll( void )
              * care of the case where the co-operative scheduler is in use. */
             if( uxTopReadyPriority > uxLeastSignificantBit )
             {
-                uxHigherPriorityReadyTasks = pdTRUE;
+                xHigherPriorityReadyTasks = pdTRUE;
             }
         }
         #endif /* if ( configUSE_PORT_OPTIMISED_TASK_SELECTION == 0 ) */
@@ -3984,7 +3987,7 @@ void vTaskSuspendAll( void )
              * processed. */
             xReturn = 0;
         }
-        else if( uxHigherPriorityReadyTasks != pdFALSE )
+        else if( xHigherPriorityReadyTasks != pdFALSE )
         {
             /* There are tasks in the Ready state that have a priority above the
              * idle priority.  This path can only be reached if