Fix an incorrect operating mode word in the portASM.S file, slight fo…

…rmatting tweak, use checkout@v4 to account for new warnings

.github/workflows/ci.yml

@@ -18,7 +18,7 @@ jobs:
   port-formatting:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Check Formatting of FreeRTOS-Kernel Files
         uses: FreeRTOS/CI-CD-Github-Actions/clang-formatting@main
         with:

.github/workflows/formatting.yml

@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
     - name: Apply Formatting Fix
-      id: check-formatting  
+      id: check-formatting
       uses: FreeRTOS/CI-CD-Github-Actions/formatting-bot@main
       with:
         exclude-dirs: portable

portable/GCC/ARM_CRx_MPU/portASM.S

@@ -182,7 +182,7 @@
 .global vPortStartFirstTask
 .type vPortStartFirstTask, %function
 vPortStartFirstTask:
-    /** This function is called from Supervisor Mode to start the FreeRTOS-Kernel.
+    /** This function is called from System Mode to start the FreeRTOS-Kernel.
      * This is done by restoring the context of the first task.
      * Restoring the context of a task will allow interrupts.
      * This allows the FreeRTOS Scheduler Tick to start, and therefore
@@ -194,9 +194,8 @@ vPortStartFirstTask:
     portRESTORE_CONTEXT
 
 /* ----------------------------------------------------------------------------------- */
-/* Handler for Supervisor Calls (SVCs) when using this FreeRTOS Port */
-
-/* Upon entering here the LR, or R14, will hold the address of the following
+/* Handler for Supervisor Calls (SVCs) when using this FreeRTOS Port
+ * Upon entering here the LR, or R14, will hold the address of the following
  * instruction. This then checks that instruction for the SVC # raised.
  * Checks:
  *    1. SVC is raised from the system call section (i.e. application is

portable/GCC/ARM_CRx_MPU/portmacro.h

@@ -36,11 +36,6 @@
  *  hardware and compiler. These settings should not be altered.
  */
 
-/**
- * @brief APIs and Variables used to control the onboard MPU.
- * @defgroup MPU Control
- */
-
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -81,7 +76,7 @@ extern "C" {
             "to use when an unprivileged task makes a FreeRTOS Kernel call. "
 #endif /* configSYSTEM_CALL_STACK_SIZE */
 
-/* ------------------------------ FreeRTOS Config Check ------------------------------ */
+/* ----------------------------------------------------------------------------------- */
 
 #if( configUSE_PORT_OPTIMISED_TASK_SELECTION == 1 )
     /* Check the configuration. */
@@ -465,8 +460,8 @@ BaseType_t xPortIsPrivileged( void );
  * or not, this function can return a different value than xPortIsPrivileged.
  *
  * @return
- * 0 If pxCurrentTCB's !( ulTaskFlags && portTASK_IS_PRIVILEGED_FLAG )
- * 1 If pxCurrentTCB's ( ulTaskFlags && portTASK_IS_PRIVILEGED_FLAG )
+ * 0 If pxCurrentTCB's !( ulTaskFlags & portTASK_IS_PRIVILEGED_FLAG )
+ * 1 If pxCurrentTCB's ( ulTaskFlags & portTASK_IS_PRIVILEGED_FLAG )
  */
 BaseType_t xPortIsTaskPrivileged( void );