Merge branch 'main' into atomic-msgbuf

Author: RichardBarry

.github/lexicon.txt

@@ -1529,6 +1529,7 @@ prvinitialisenewstreambuffer
 prvinitialisenewtimer
 prvinsertblockintofreelist
 prvlockqueue
+prvnotifyqueuesetcontainer
 prvportmalloc
 prvportresetpic
 prvprocesssimulatedinterrupts
@@ -1617,6 +1618,7 @@ pvowner
 pvparameter
 pvparameters
 pvportmalloc
+pvportmallocstack
 pvportrealloc
 pvreg
 pvrxdata
@@ -1630,7 +1632,6 @@ pvyieldevent
 pwdtc
 pwm
 pwmc
-pxtaskcode
 pxblock
 pxblocktoinsert
 pxcallbackfunction
@@ -1687,6 +1688,7 @@ pxprevious
 pxpreviouswaketime
 pxqueue
 pxqueuebuffer
+pxqueuesetcontainer
 pxramstack
 pxreadycoroutinelists
 pxreadytaskslists
@@ -1706,6 +1708,7 @@ pxstreambuffercreatestatic
 pxtagvalue
 pxtask
 pxtaskbuffer
+pxtaskcode
 pxtaskdefinition
 pxtaskstatus
 pxtaskstatusarray
@@ -2652,7 +2655,6 @@ wu
 www
 wwwfreertos
 wxr
-xtasktodelete
 xa
 xaa
 xaaaa
@@ -3019,6 +3021,7 @@ xtaskswaitingforbits
 xtaskswaitingtermination
 xtaskswaitingtoreceive
 xtaskswaitingtosend
+xtasktodelete
 xtasktonotify
 xtasktoquery
 xtasktoresume

.github/workflows/ci.yml

@@ -44,3 +44,4 @@ jobs:
       - name: URL Checker
         run: |
             bash kernel/.github/actions/url_verifier.sh kernel
+

.github/workflows/git-secrets.yml

@@ -0,0 +1,24 @@
+name: git-secrets Check
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+jobs:
+  git-secrets:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: recursive
+      - name: Checkout awslabs/git-secrets
+        uses: actions/checkout@v2
+        with:
+          repository: awslabs/git-secrets
+          ref: master
+          path: git-secrets
+      - name: Install git-secrets
+        run: cd git-secrets && sudo make install && cd ..
+      - name: Run git-secrets
+        run: |
+          git-secrets --register-aws
+          git-secrets --scan

.github/workflows/unit-tests.yml

@@ -0,0 +1,56 @@
+name: CMock Unit Tests
+on: [push]
+
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout Parent Repo
+      uses: actions/checkout@v2
+      with:
+        ref: master
+        repository: FreeRTOS/FreeRTOS
+        submodules: 'recursive'
+        fetch-depth: 1
+    - name: Clone This Repo
+      uses: actions/checkout@v2
+      with:
+        path: ./FreeRTOS/Source
+
+    - name: Setup Python
+      uses: actions/setup-python@master
+      with:
+        python-version: 3.8
+
+    - name: Install packages
+      run: |
+          sudo apt-get install lcov cflow ruby doxygen build-essential
+    - name: Run Unit Tests with ENABLE_SANITIZER=1
+      run: |
+          make -C FreeRTOS/Test/CMock clean
+          make -C FreeRTOS/Test/CMock ENABLE_SANITIZER=1 run_col_formatted
+    - name: Run Unit Tests for coverage
+      run: |
+          make -C FreeRTOS/Test/CMock clean
+          make -C FreeRTOS/Test/CMock lcovhtml
+          lcov --config-file FreeRTOS/Test/CMock/lcovrc --summary FreeRTOS/Test/CMock/build/cmock_test.info > FreeRTOS/Test/CMock/build/cmock_test_summary.txt
+    - name: Upload coverage to Codecov
+      uses: codecov/codecov-action@v1
+      with:
+        files: FreeRTOS/Test/CMock/build/cmock_test.info
+        working-directory: .
+        root_dir: FreeRTOS/Source
+        flags: unittests
+        fail_ci_if_error: false
+        path_to_write_report: coverage/codecov_report.txt
+        verbose: false
+    - name: Archive code coverage data
+      uses: actions/upload-artifact@v2
+      with:
+        name: coverage-data
+        path: FreeRTOS/Test/CMock/build/cmock_test*
+    - name: Archive code coverage html report
+      uses: actions/upload-artifact@v2
+      with:
+        name: coverage-report
+        path: FreeRTOS/Test/CMock/build/coverage

include/FreeRTOS.h

@@ -896,6 +896,11 @@
     #define configSUPPORT_DYNAMIC_ALLOCATION    1
 #endif
 
+#ifndef configSTACK_ALLOCATION_FROM_SEPARATE_HEAP
+    /* Defaults to 0 for backward compatibility. */
+    #define configSTACK_ALLOCATION_FROM_SEPARATE_HEAP   0
+#endif
+
 #ifndef configSTACK_DEPTH_TYPE
 
 /* Defaults to uint16_t for backward compatibility, but can be overridden
@@ -1054,6 +1059,11 @@
     #define configRUN_FREERTOS_SECURE_ONLY    0
 #endif
 
+#ifndef configRUN_ADDITIONAL_TESTS
+    #define configRUN_ADDITIONAL_TESTS    0
+#endif
+
+
 /* Sometimes the FreeRTOSConfig.h settings only allow a task to be created using
  * dynamically allocated RAM, in which case when any task is deleted it is known
  * that both the task's stack and TCB need to be freed.  Sometimes the

include/mpu_wrappers.h

@@ -29,7 +29,7 @@
 
 /* This file redefines API functions to be called through a wrapper macro, but
  * only for ports that are using the MPU. */
-#ifdef portUSING_MPU_WRAPPERS
+#if ( portUSING_MPU_WRAPPERS == 1 )
 
 /* MPU_WRAPPERS_INCLUDED_FROM_API_FILE will be defined when this file is
  * included from queue.c or task.c to prevent it from having an effect within

include/portable.h

@@ -179,6 +179,14 @@ void vPortInitialiseBlocks( void ) PRIVILEGED_FUNCTION;
 size_t xPortGetFreeHeapSize( void ) PRIVILEGED_FUNCTION;
 size_t xPortGetMinimumEverFreeHeapSize( void ) PRIVILEGED_FUNCTION;
 
+#if( configSTACK_ALLOCATION_FROM_SEPARATE_HEAP == 1 )
+    void *pvPortMallocStack( size_t xSize ) PRIVILEGED_FUNCTION;
+    void vPortFreeStack( void *pv ) PRIVILEGED_FUNCTION;
+#else
+    #define pvPortMallocStack pvPortMalloc
+    #define vPortFreeStack vPortFree
+#endif
+
 /*
  * Setup the hardware ready for the scheduler to take control.  This generally
  * sets up a tick interrupt and sets timers for the correct tick frequency.

include/task.h

@@ -1795,8 +1795,10 @@ UBaseType_t uxTaskGetSystemState( TaskStatus_t * const pxTaskStatusArray,
  * demo applications.  Do not consider it to be part of the scheduler.
  *
  * vTaskList() calls uxTaskGetSystemState(), then formats part of the
- * uxTaskGetSystemState() output into a human readable table that displays task
- * names, states and stack usage.
+ * uxTaskGetSystemState() output into a human readable table that displays task:
+ * names, states, priority, stack usage and task number.
+ * Stack usage specified as the number of unused StackType_t words stack can hold
+ * on top of stack - not the number of bytes.
  *
  * vTaskList() has a dependency on the sprintf() C library function that might
  * bloat the code size, use a lot of stack, and provide different results on
@@ -1932,9 +1934,8 @@ uint32_t ulTaskGetIdleRunTimeCounter( void ) PRIVILEGED_FUNCTION;
  * that way task notifications can be used to send data to a task, or be used as
  * light weight and fast binary or counting semaphores.
  *
- * A task can use xTaskNotifyWaitIndexed() to [optionally] block to wait for a
- * notification to be pending, or ulTaskNotifyTakeIndexed() to [optionally] block
- * to wait for a notification value to have a non-zero value.  The task does
+ * A task can use xTaskNotifyWaitIndexed() or ulTaskNotifyTakeIndexed() to
+ * [optionally] block to wait for a notification to be pending.  The task does
  * not consume any CPU time while it is in the Blocked state.
  *
  * A notification sent to a task will remain pending until it is cleared by the
@@ -2520,8 +2521,8 @@ void vTaskGenericNotifyGiveFromISR( TaskHandle_t xTaskToNotify,
  * value acts like a counting semaphore.
  *
  * A task can use ulTaskNotifyTakeIndexed() to [optionally] block to wait for
- * the task's notification value to be non-zero.  The task does not consume any
- * CPU time while it is in the Blocked state.
+ * a notification.  The task does not consume any CPU time while it is in the
+ * Blocked state.
  *
  * Where as xTaskNotifyWaitIndexed() will return when a notification is pending,
  * ulTaskNotifyTakeIndexed() will return when the task's notification value is

list.c

@@ -158,6 +158,9 @@ void vListInsert( List_t * const pxList,
         *   4) Using a queue or semaphore before it has been initialised or
         *      before the scheduler has been started (are interrupts firing
         *      before vTaskStartScheduler() has been called?).
+        *   5) If the FreeRTOS port supports interrupt nesting then ensure that
+        *      the priority of the tick interrupt is at or below
+        *      configMAX_SYSCALL_INTERRUPT_PRIORITY.
         **********************************************************************/
 
         for( pxIterator = ( ListItem_t * ) &( pxList->xListEnd ); pxIterator->pxNext->xItemValue <= xValueOfInsertion; pxIterator = pxIterator->pxNext ) /*lint !e826 !e740 !e9087 The mini list structure is used as the list end to save RAM.  This is checked and valid. *//*lint !e440 The iterator moves to a different value, not xValueOfInsertion. */

portable/GCC/ATMega323/portmacro.h

@@ -22,7 +22,6 @@
  * https://www.FreeRTOS.org
  * https://github.com/FreeRTOS
  *
- * 1 tab == 4 spaces!
  */
 
 /*
@@ -58,6 +57,8 @@ extern "C" {
 #define portSTACK_TYPE	uint8_t
 #define portBASE_TYPE	char
 
+#define portPOINTER_SIZE_TYPE    uint16_t
+
 typedef portSTACK_TYPE StackType_t;
 typedef signed char BaseType_t;
 typedef unsigned char UBaseType_t;

portable/RVDS/ARM_CM7/r0p1/port.c

@@ -762,10 +762,10 @@ __asm uint32_t vPortGetIPSR( void )
              * be set to a value equal to or numerically *higher* than
              * configMAX_SYSCALL_INTERRUPT_PRIORITY.
              *
-             * Interrupts that	use the FreeRTOS API must not be left at their
-             * default priority of	zero as that is the highest possible priority,
+             * Interrupts that use the FreeRTOS API must not be left at their
+             * default priority of zero as that is the highest possible priority,
              * which is guaranteed to be above configMAX_SYSCALL_INTERRUPT_PRIORITY,
-             * and	therefore also guaranteed to be invalid.
+             * and therefore also guaranteed to be invalid.
              *
              * FreeRTOS maintains separate thread and ISR API functions to ensure
              * interrupt entry is as fast and simple as possible.

queue.c

@@ -342,8 +342,10 @@ BaseType_t xQueueGenericReset( QueueHandle_t xQueue,
                  * variable of type StaticQueue_t or StaticSemaphore_t equals the size of
                  * the real queue and semaphore structures. */
                 volatile size_t xSize = sizeof( StaticQueue_t );
-                configASSERT( xSize == sizeof( Queue_t ) );
-                ( void ) xSize; /* Keeps lint quiet when configASSERT() is not defined. */
+
+                /* This assertion cannot be branch covered in unit tests */
+                configASSERT( xSize == sizeof( Queue_t ) ); /* LCOV_EXCL_BR_LINE */
+                ( void ) xSize;                             /* Keeps lint quiet when configASSERT() is not defined. */
             }
         #endif /* configASSERT_DEFINED */
 
@@ -398,7 +400,7 @@ BaseType_t xQueueGenericReset( QueueHandle_t xQueue,
         configASSERT( ( uxItemSize == 0 ) || ( uxQueueLength == ( xQueueSizeInBytes / uxItemSize ) ) );
 
         /* Check for addition overflow. */
-        configASSERT( ( sizeof( Queue_t ) + xQueueSizeInBytes ) >  xQueueSizeInBytes );
+        configASSERT( ( sizeof( Queue_t ) + xQueueSizeInBytes ) > xQueueSizeInBytes );
 
         /* Allocate the queue and storage area.  Justification for MISRA
          * deviation as follows:  pvPortMalloc() always ensures returned memory
@@ -561,6 +563,8 @@ static void prvInitialiseNewQueue( const UBaseType_t uxQueueLength,
         TaskHandle_t pxReturn;
         Queue_t * const pxSemaphore = ( Queue_t * ) xSemaphore;
 
+        configASSERT( xSemaphore );
+
         /* This function is called by xSemaphoreGetMutexHolder(), and should not
          * be called directly.  Note:  This is a good way of determining if the
          * calling task is the mutex holder, but not a good way of determining the
@@ -944,15 +948,15 @@ BaseType_t xQueueGenericSend( QueueHandle_t xQueue,
                 vTaskPlaceOnEventList( &( pxQueue->xTasksWaitingToSend ), xTicksToWait );
 
                 /* Unlocking the queue means queue events can effect the
-                 * event list.  It is possible that interrupts occurring now
+                 * event list. It is possible that interrupts occurring now
                  * remove this task from the event list again - but as the
                  * scheduler is suspended the task will go onto the pending
-                 * ready last instead of the actual ready list. */
+                 * ready list instead of the actual ready list. */
                 prvUnlockQueue( pxQueue );
 
                 /* Resuming the scheduler will move tasks from the pending
                  * ready list into the ready list - so it is feasible that this
-                 * task is already in a ready list before it yields - in which
+                 * task is already in the ready list before it yields - in which
                  * case the yield will not cause a context switch unless there
                  * is also a higher priority task in the pending ready list. */
                 if( xTaskResumeAll() == pdFALSE )
@@ -1774,7 +1778,7 @@ BaseType_t xQueuePeek( QueueHandle_t xQueue,
         taskEXIT_CRITICAL();
 
         /* Interrupts and other tasks can send to and receive from the queue
-         * now the critical section has been exited. */
+         * now that the critical section has been exited. */
 
         vTaskSuspendAll();
         prvLockQueue( pxQueue );
@@ -2723,6 +2727,9 @@ BaseType_t xQueueIsQueueFullFromISR( const QueueHandle_t xQueue )
     {
         UBaseType_t ux;
 
+        configASSERT( xQueue );
+        configASSERT( pcQueueName );
+
         /* See if there is an empty space in the registry.  A NULL name denotes
          * a free slot. */
         for( ux = ( UBaseType_t ) 0U; ux < ( UBaseType_t ) configQUEUE_REGISTRY_SIZE; ux++ )
@@ -2753,6 +2760,8 @@ BaseType_t xQueueIsQueueFullFromISR( const QueueHandle_t xQueue )
         UBaseType_t ux;
         const char * pcReturn = NULL; /*lint !e971 Unqualified char types are allowed for strings and single characters only. */
 
+        configASSERT( xQueue );
+
         /* Note there is nothing here to protect against another task adding or
          * removing entries from the registry while it is being searched. */
 
@@ -2781,6 +2790,8 @@ BaseType_t xQueueIsQueueFullFromISR( const QueueHandle_t xQueue )
     {
         UBaseType_t ux;
 
+        configASSERT( xQueue );
+
         /* See if the handle of the queue being unregistered in actually in the
          * registry. */
         for( ux = ( UBaseType_t ) 0U; ux < ( UBaseType_t ) configQUEUE_REGISTRY_SIZE; ux++ )
@@ -2967,7 +2978,10 @@ BaseType_t xQueueIsQueueFullFromISR( const QueueHandle_t xQueue )
 
         /* This function must be called form a critical section. */
 
-        configASSERT( pxQueueSetContainer );
+        /* The following line is not reachable in unit tests because every call
+         * to prvNotifyQueueSetContainer is preceded by a check that
+         * pxQueueSetContainer != NULL */
+        configASSERT( pxQueueSetContainer ); /* LCOV_EXCL_BR_LINE */
         configASSERT( pxQueueSetContainer->uxMessagesWaiting < pxQueueSetContainer->uxLength );
 
         if( pxQueueSetContainer->uxMessagesWaiting < pxQueueSetContainer->uxLength )