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Changes to core code and port layer:

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+ Add configASSERT() into ARM Cortex-M ports to check the number of priority
      bit settings.
    + Clear the 'control' register before starting ARM Cortex-M4F ports in case
      the FPU is used before the scheduler is started.  This just saves a few
      bytes on the main stack as it prevents space being left for a later save
      of FPU registers.
    + Added xSemaphoreGetMutexHolderFromISR().
    + Corrected use of portNVIC_PENDSVSET to portNVIC_PENDSVSET_BIT in MPU ports.
pull/4/head
Richard Barry 9 years ago
parent bdbf347c22
commit 75ffac21d7
32 changed files with 1246 additions and 265 deletions
Show Stats Download Patch File Download Diff File

2
FreeRTOS/Demo/CORTEX_A2F200_IAR_and_Keil/FreeRTOSConfig.h
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@ -148,7 +148,7 @@ FreeRTOS/Source/tasks.c for limitations. */
#ifdef __NVIC_PRIO_BITS
#define configPRIO_BITS __NVIC_PRIO_BITS
#else
#define configPRIO_BITS 5 /* 15 priority levels */
#define configPRIO_BITS 5 /* 31 priority levels */
#endif
#define configLIBRARY_LOWEST_INTERRUPT_PRIORITY 0x1f

2
FreeRTOS/Demo/CORTEX_A2F200_SoftConsole/FreeRTOSConfig.h
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@ -153,7 +153,7 @@ unsigned long ulGetRunTimeCounterValue( void );
#ifdef __NVIC_PRIO_BITS
#define configPRIO_BITS __NVIC_PRIO_BITS
#else
#define configPRIO_BITS 5 /* 15 priority levels */
#define configPRIO_BITS 5 /* 31 priority levels */
#endif
#define configLIBRARY_LOWEST_INTERRUPT_PRIORITY 0x1f

957
FreeRTOS/Demo/CORTEX_STM32F103_IAR/RTOSDemo.ewd
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97
FreeRTOS/Demo/CORTEX_STM32F103_IAR/RTOSDemo.ewp
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@ -12,7 +12,7 @@
<name>General</name>
<archiveVersion>3</archiveVersion>
<data>
<version>21</version>
<version>24</version>
<wantNonLocal>1</wantNonLocal>
<debug>1</debug>
<option>
@ -27,11 +27,6 @@
<name>ListPath</name>
<state>Debug\List</state>
</option>
<option>
<name>Variant</name>
<version>19</version>
<state>37</state>
</option>
<option>
<name>GEndianMode</name>
<state>0</state>
@ -58,11 +53,6 @@
<name>GOutputBinary</name>
<state>0</state>
</option>
<option>
<name>FPU</name>
<version>2</version>
<state>0</state>
</option>
<option>
<name>OGCoreOrChip</name>
<state>1</state>
@ -87,7 +77,7 @@
</option>
<option>
<name>OGLastSavedByProductVersion</name>
<state>6.30.7.53437</state>
<state>7.60.1.11206</state>
</option>
<option>
<name>GeneralEnableMisra</name>
@ -99,7 +89,7 @@
</option>
<option>
<name>OGChipSelectEditMenu</name>
<state>STM32F10xxB ST STM32F10xxB</state>
<state>STM32F103ZG ST STM32F103ZG</state>
</option>
<option>
<name>GenLowLevelInterface</name>
@ -135,15 +125,10 @@
<name>RTConfigPath2</name>
<state>$TOOLKIT_DIR$\INC\c\DLib_Config_Full.h</state>
</option>
<option>
<name>GFPUCoreSlave</name>
<version>19</version>
<state>37</state>
</option>
<option>
<name>GBECoreSlave</name>
<version>19</version>
<state>37</state>
<version>24</version>
<state>38</state>
</option>
<option>
<name>OGUseCmsis</name>
@ -153,15 +138,51 @@
<name>OGUseCmsisDspLib</name>
<state>0</state>
</option>
<option>
<name>GRuntimeLibThreads</name>
<state>0</state>
</option>
<option>
<name>CoreVariant</name>
<version>24</version>
<state>38</state>
</option>
<option>
<name>GFPUDeviceSlave</name>
<state>STM32F103ZG ST STM32F103ZG</state>
</option>
<option>
<name>FPU2</name>
<version>0</version>
<state>0</state>
</option>
<option>
<name>NrRegs</name>
<version>0</version>
<state>0</state>
</option>
<option>
<name>NEON</name>
<state>0</state>
</option>
<option>
<name>GFPUCoreSlave2</name>
<version>24</version>
<state>38</state>
</option>
</data>
</settings>
<settings>
<name>ICCARM</name>
<archiveVersion>2</archiveVersion>
<data>
<version>28</version>
<version>31</version>
<wantNonLocal>1</wantNonLocal>
<debug>1</debug>
<option>
<name>CCOptimizationNoSizeConstraints</name>
<state>0</state>
</option>
<option>
<name>CCDefines</name>
<state>VECT_TAB_FLASH</state>
@ -226,7 +247,7 @@
<option>
<name>CCAllowList</name>
<version>1</version>
<state>0000000</state>
<state>00000000</state>
</option>
<option>
<name>CCDebugInfo</name>
@ -390,13 +411,26 @@
<name>IccFloatSemantics</name>
<state>0</state>
</option>
<option>
<name>CCNoLiteralPool</name>
<state>0</state>
</option>
<option>
<name>CCOptStrategySlave</name>
<version>0</version>
<state>0</state>
</option>
<option>
<name>CCGuardCalls</name>
<state>1</state>
</option>
</data>
</settings>
<settings>
<name>AARM</name>
<archiveVersion>2</archiveVersion>
<data>
<version>8</version>
<version>9</version>
<wantNonLocal>1</wantNonLocal>
<debug>1</debug>
<option>
@ -552,6 +586,10 @@
<name>AExtraOptionsV2</name>
<state></state>
</option>
<option>
<name>AsmNoLiteralPool</name>
<state>0</state>
</option>
</data>
</settings>
<settings>
@ -563,7 +601,7 @@
<debug>1</debug>
<option>
<name>OOCOutputFormat</name>
<version>2</version>
<version>3</version>
<state>0</state>
</option>
<option>
@ -590,6 +628,7 @@
<data>
<extensions></extensions>
<cmdline></cmdline>
<hasPrio>0</hasPrio>
</data>
</settings>
<settings>
@ -609,7 +648,7 @@
<name>ILINK</name>
<archiveVersion>0</archiveVersion>
<data>
<version>15</version>
<version>17</version>
<wantNonLocal>1</wantNonLocal>
<debug>1</debug>
<option>
@ -889,6 +928,14 @@
<version>0</version>
<state>0</state>
</option>
<option>
<name>IlinkThreadsSlave</name>
<state>1</state>
</option>
<option>
<name>IlinkLogCallGraph</name>
<state>0</state>
</option>
</data>
</settings>
<settings>

25
FreeRTOS/Demo/WIN32-MingW/.cproject
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@ -5,14 +5,14 @@
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<externalSettings/>
<extensions>
<extension id="org.eclipse.cdt.core.PE" point="org.eclipse.cdt.core.BinaryParser"/>
<extension id="org.eclipse.cdt.core.GCCErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
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<extension id="org.eclipse.cdt.core.PE" point="org.eclipse.cdt.core.BinaryParser"/>
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<storageModule moduleId="cdtBuildSystem" version="4.0.0">
<configuration artifactName="${ProjName}" buildArtefactType="org.eclipse.cdt.build.core.buildArtefactType.exe" buildProperties="org.eclipse.cdt.build.core.buildType=org.eclipse.cdt.build.core.buildType.debug,org.eclipse.cdt.build.core.buildArtefactType=org.eclipse.cdt.build.core.buildArtefactType.exe" cleanCommand="rm -rf" description="" id="cdt.managedbuild.config.gnu.mingw.exe.debug.396692239" name="Debug" parent="cdt.managedbuild.config.gnu.mingw.exe.debug">
<configuration artifactName="${ProjName}" buildArtefactType="org.eclipse.cdt.build.core.buildArtefactType.exe" buildProperties="org.eclipse.cdt.build.core.buildArtefactType=org.eclipse.cdt.build.core.buildArtefactType.exe,org.eclipse.cdt.build.core.buildType=org.eclipse.cdt.build.core.buildType.debug" cleanCommand="rm -rf" description="" id="cdt.managedbuild.config.gnu.mingw.exe.debug.396692239" name="Debug" parent="cdt.managedbuild.config.gnu.mingw.exe.debug">
<folderInfo id="cdt.managedbuild.config.gnu.mingw.exe.debug.396692239." name="/" resourcePath="">
<toolChain id="cdt.managedbuild.toolchain.gnu.mingw.exe.debug.1619684599" name="MinGW GCC" superClass="cdt.managedbuild.toolchain.gnu.mingw.exe.debug">
<targetPlatform id="cdt.managedbuild.target.gnu.platform.mingw.exe.debug.1827277435" name="Debug Platform" superClass="cdt.managedbuild.target.gnu.platform.mingw.exe.debug"/>
@ -22,13 +22,13 @@
</tool>
<tool id="cdt.managedbuild.tool.gnu.archiver.mingw.base.867063893" name="GCC Archiver" superClass="cdt.managedbuild.tool.gnu.archiver.mingw.base"/>
<tool id="cdt.managedbuild.tool.gnu.cpp.compiler.mingw.exe.debug.1190873987" name="GCC C++ Compiler" superClass="cdt.managedbuild.tool.gnu.cpp.compiler.mingw.exe.debug">
<option id="gnu.cpp.compiler.mingw.exe.debug.option.optimization.level.40398864" name="Optimization Level" superClass="gnu.cpp.compiler.mingw.exe.debug.option.optimization.level" value="gnu.cpp.compiler.optimization.level.none" valueType="enumerated"/>
<option id="gnu.cpp.compiler.mingw.exe.debug.option.debugging.level.375002745" name="Debug Level" superClass="gnu.cpp.compiler.mingw.exe.debug.option.debugging.level" value="gnu.cpp.compiler.debugging.level.max" valueType="enumerated"/>
<option id="gnu.cpp.compiler.mingw.exe.debug.option.optimization.level.40398864" name="Optimization Level" superClass="gnu.cpp.compiler.mingw.exe.debug.option.optimization.level" useByScannerDiscovery="false" value="gnu.cpp.compiler.optimization.level.none" valueType="enumerated"/>
<option id="gnu.cpp.compiler.mingw.exe.debug.option.debugging.level.375002745" name="Debug Level" superClass="gnu.cpp.compiler.mingw.exe.debug.option.debugging.level" useByScannerDiscovery="false" value="gnu.cpp.compiler.debugging.level.max" valueType="enumerated"/>
</tool>
<tool id="cdt.managedbuild.tool.gnu.c.compiler.mingw.exe.debug.1285167012" name="GCC C Compiler" superClass="cdt.managedbuild.tool.gnu.c.compiler.mingw.exe.debug">
<option defaultValue="gnu.c.optimization.level.none" id="gnu.c.compiler.mingw.exe.debug.option.optimization.level.426701341" name="Optimization Level" superClass="gnu.c.compiler.mingw.exe.debug.option.optimization.level" value="gnu.c.optimization.level.none" valueType="enumerated"/>
<option id="gnu.c.compiler.mingw.exe.debug.option.debugging.level.514946732" name="Debug Level" superClass="gnu.c.compiler.mingw.exe.debug.option.debugging.level" value="gnu.c.debugging.level.max" valueType="enumerated"/>
<option id="gnu.c.compiler.option.include.paths.1474487302" name="Include paths (-I)" superClass="gnu.c.compiler.option.include.paths" valueType="includePath">
<option defaultValue="gnu.c.optimization.level.none" id="gnu.c.compiler.mingw.exe.debug.option.optimization.level.426701341" name="Optimization Level" superClass="gnu.c.compiler.mingw.exe.debug.option.optimization.level" useByScannerDiscovery="false" value="gnu.c.optimization.level.none" valueType="enumerated"/>
<option id="gnu.c.compiler.mingw.exe.debug.option.debugging.level.514946732" name="Debug Level" superClass="gnu.c.compiler.mingw.exe.debug.option.debugging.level" useByScannerDiscovery="false" value="gnu.c.debugging.level.max" valueType="enumerated"/>
<option id="gnu.c.compiler.option.include.paths.1474487302" name="Include paths (-I)" superClass="gnu.c.compiler.option.include.paths" useByScannerDiscovery="false" valueType="includePath">
<listOptionValue builtIn="false" value="&quot;${workspace_loc:/${ProjName}/FreeRTOS_Source/include}&quot;"/>
<listOptionValue builtIn="false" value="&quot;${workspace_loc:/${ProjName}/FreeRTOS+Trace Recorder/Include}&quot;"/>
<listOptionValue builtIn="false" value="&quot;${workspace_loc:/${ProjName}/Trace_Recorder_Configuration}&quot;"/>
@ -36,10 +36,10 @@
<listOptionValue builtIn="false" value="&quot;${workspace_loc:/${ProjName}/Standard_Demo_Tasks/Include}&quot;"/>
<listOptionValue builtIn="false" value="&quot;${workspace_loc:/${ProjName}/FreeRTOS_Source/portable/MSVC-MingW}&quot;"/>
</option>
<option id="gnu.c.compiler.option.debugging.prof.53374762" name="Generate prof information (-p)" superClass="gnu.c.compiler.option.debugging.prof" value="false" valueType="boolean"/>
<option id="gnu.c.compiler.option.warnings.extrawarn.1804262134" name="Extra warnings (-Wextra)" superClass="gnu.c.compiler.option.warnings.extrawarn" value="true" valueType="boolean"/>
<option id="gnu.c.compiler.option.misc.other.1931924410" name="Other flags" superClass="gnu.c.compiler.option.misc.other" value="-c -fmessage-length=0" valueType="string"/>
<option id="gnu.c.compiler.option.debugging.gprof.444112294" name="Generate gprof information (-pg)" superClass="gnu.c.compiler.option.debugging.gprof" value="false" valueType="boolean"/>
<option id="gnu.c.compiler.option.debugging.prof.53374762" name="Generate prof information (-p)" superClass="gnu.c.compiler.option.debugging.prof" useByScannerDiscovery="false" value="false" valueType="boolean"/>
<option id="gnu.c.compiler.option.warnings.extrawarn.1804262134" name="Extra warnings (-Wextra)" superClass="gnu.c.compiler.option.warnings.extrawarn" useByScannerDiscovery="false" value="true" valueType="boolean"/>
<option id="gnu.c.compiler.option.misc.other.1931924410" name="Other flags" superClass="gnu.c.compiler.option.misc.other" useByScannerDiscovery="false" value="-c -fmessage-length=0 -Wcast-qual" valueType="string"/>
<option id="gnu.c.compiler.option.debugging.gprof.444112294" name="Generate gprof information (-pg)" superClass="gnu.c.compiler.option.debugging.gprof" useByScannerDiscovery="false" value="false" valueType="boolean"/>
<inputType id="cdt.managedbuild.tool.gnu.c.compiler.input.974248912" superClass="cdt.managedbuild.tool.gnu.c.compiler.input"/>
</tool>
<tool command="gcc" id="cdt.managedbuild.tool.gnu.c.linker.mingw.exe.debug.2080839343" name="MinGW C Linker" superClass="cdt.managedbuild.tool.gnu.c.linker.mingw.exe.debug">
@ -50,6 +50,9 @@
<option id="gnu.c.link.option.noshared.628613709" name="No shared libraries (-static)" superClass="gnu.c.link.option.noshared" value="false" valueType="boolean"/>
<option id="gnu.c.link.option.debugging.prof.1514831674" name="Generate prof information (-p)" superClass="gnu.c.link.option.debugging.prof" value="false" valueType="boolean"/>
<option id="gnu.c.link.option.debugging.gprof.1432524618" name="Generate gprof information (-pg)" superClass="gnu.c.link.option.debugging.gprof" value="false" valueType="boolean"/>
<option id="gnu.c.link.option.other.75811299" name="Other options (-Xlinker [option])" superClass="gnu.c.link.option.other" useByScannerDiscovery="false" valueType="stringList">
<listOptionValue builtIn="false" value="-Map=rtosdemo.map"/>
</option>
<inputType id="cdt.managedbuild.tool.gnu.c.linker.input.1912714899" superClass="cdt.managedbuild.tool.gnu.c.linker.input">
<additionalInput kind="additionalinputdependency" paths="$(USER_OBJS)"/>
<additionalInput kind="additionalinput" paths="$(LIBS)"/>

1
FreeRTOS/Demo/WIN32-MingW/main.c
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@ -375,4 +375,3 @@ const HeapRegion_t xHeapRegions[] =
vPortDefineHeapRegions( xHeapRegions );
}
/*-----------------------------------------------------------*/

6
FreeRTOS/Source/event_groups.c
Unescape Escape View File

@ -602,7 +602,7 @@ BaseType_t xMatchFound = pdFALSE;
eventUNBLOCKED_DUE_TO_BIT_SET bit is set so the task knows
that is was unblocked due to its required bits matching, rather
than because it timed out. */
( void ) xTaskRemoveFromUnorderedEventList( pxListItem, pxEventBits->uxEventBits | eventUNBLOCKED_DUE_TO_BIT_SET );
vTaskRemoveFromUnorderedEventList( pxListItem, pxEventBits->uxEventBits | eventUNBLOCKED_DUE_TO_BIT_SET );
}
/* Move onto the next list item. Note pxListItem->pxNext is not
@ -634,8 +634,8 @@ const List_t *pxTasksWaitingForBits = &( pxEventBits->xTasksWaitingForBits );
{
/* Unblock the task, returning 0 as the event list is being deleted
and cannot therefore have any bits set. */
configASSERT( pxTasksWaitingForBits->xListEnd.pxNext != ( ListItem_t * ) &( pxTasksWaitingForBits->xListEnd ) );
( void ) xTaskRemoveFromUnorderedEventList( pxTasksWaitingForBits->xListEnd.pxNext, eventUNBLOCKED_DUE_TO_BIT_SET );
configASSERT( pxTasksWaitingForBits->xListEnd.pxNext != ( const ListItem_t * ) &( pxTasksWaitingForBits->xListEnd ) );
vTaskRemoveFromUnorderedEventList( pxTasksWaitingForBits->xListEnd.pxNext, eventUNBLOCKED_DUE_TO_BIT_SET );
}
#if( ( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) && ( configSUPPORT_STATIC_ALLOCATION == 0 ) )

1
FreeRTOS/Source/include/queue.h
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@ -1561,6 +1561,7 @@ QueueHandle_t xQueueCreateMutexStatic( const uint8_t ucQueueType, StaticQueue_t
QueueHandle_t xQueueCreateCountingSemaphore( const UBaseType_t uxMaxCount, const UBaseType_t uxInitialCount ) PRIVILEGED_FUNCTION;
QueueHandle_t xQueueCreateCountingSemaphoreStatic( const UBaseType_t uxMaxCount, const UBaseType_t uxInitialCount, StaticQueue_t *pxStaticQueue ) PRIVILEGED_FUNCTION;
void* xQueueGetMutexHolder( QueueHandle_t xSemaphore ) PRIVILEGED_FUNCTION;
void* xQueueGetMutexHolderFromISR( QueueHandle_t xSemaphore ) PRIVILEGED_FUNCTION;
/*
* For internal use only. Use xSemaphoreTakeMutexRecursive() or

11
FreeRTOS/Source/include/semphr.h
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@ -1154,6 +1154,17 @@ typedef QueueHandle_t SemaphoreHandle_t;
*/
#define xSemaphoreGetMutexHolder( xSemaphore ) xQueueGetMutexHolder( ( xSemaphore ) )
/**
* semphr.h
* <pre>TaskHandle_t xSemaphoreGetMutexHolderFromISR( SemaphoreHandle_t xMutex );</pre>
*
* If xMutex is indeed a mutex type semaphore, return the current mutex holder.
* If xMutex is not a mutex type semaphore, or the mutex is available (not held
* by a task), return NULL.
*
*/
#define xSemaphoreGetMutexHolderFromISR( xSemaphore ) xQueueGetMutexHolderFromISR( ( xSemaphore ) )
/**
* semphr.h
* <pre>UBaseType_t uxSemaphoreGetCount( SemaphoreHandle_t xSemaphore );</pre>

6
FreeRTOS/Source/include/task.h
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@ -2141,14 +2141,14 @@ void vTaskPlaceOnEventListRestricted( List_t * const pxEventList, TickType_t xTi
* Removes a task from both the specified event list and the list of blocked
* tasks, and places it on a ready queue.
*
* xTaskRemoveFromEventList()/xTaskRemoveFromUnorderedEventList() will be called
* xTaskRemoveFromEventList()/vTaskRemoveFromUnorderedEventList() will be called
* if either an event occurs to unblock a task, or the block timeout period
* expires.
*
* xTaskRemoveFromEventList() is used when the event list is in task priority
* order. It removes the list item from the head of the event list as that will
* have the highest priority owning task of all the tasks on the event list.
* xTaskRemoveFromUnorderedEventList() is used when the event list is not
* vTaskRemoveFromUnorderedEventList() is used when the event list is not
* ordered and the event list items hold something other than the owning tasks
* priority. In this case the event list item value is updated to the value
* passed in the xItemValue parameter.
@ -2157,7 +2157,7 @@ void vTaskPlaceOnEventListRestricted( List_t * const pxEventList, TickType_t xTi
* making the call, otherwise pdFALSE.
*/
BaseType_t xTaskRemoveFromEventList( const List_t * const pxEventList ) PRIVILEGED_FUNCTION;
BaseType_t xTaskRemoveFromUnorderedEventList( ListItem_t * pxEventListItem, const TickType_t xItemValue ) PRIVILEGED_FUNCTION;
void vTaskRemoveFromUnorderedEventList( ListItem_t * pxEventListItem, const TickType_t xItemValue ) PRIVILEGED_FUNCTION;
/*
* THIS FUNCTION MUST NOT BE USED FROM APPLICATION CODE. IT IS ONLY

18
FreeRTOS/Source/portable/CCS/ARM_CM4F/port.c
Unescape Escape View File

@ -299,6 +299,24 @@ BaseType_t xPortStartScheduler( void )
ucMaxPriorityValue <<= ( uint8_t ) 0x01;
}
#ifdef __NVIC_PRIO_BITS
{
/* Check the CMSIS configuration that defines the number of
priority bits matches the number of priority bits actually queried
from the hardware. */
configASSERT( ( portMAX_PRIGROUP_BITS - ulMaxPRIGROUPValue ) == __NVIC_PRIO_BITS );
}
#endif
#ifdef configPRIO_BITS
{
/* Check the FreeRTOS configuration that defines the number of
priority bits matches the number of priority bits actually queried
from the hardware. */
configASSERT( ( portMAX_PRIGROUP_BITS - ulMaxPRIGROUPValue ) == configPRIO_BITS );
}
#endif
/* Shift the priority group value back to its position within the AIRCR
register. */
ulMaxPRIGROUPValue <<= portPRIGROUP_SHIFT;

6
FreeRTOS/Source/portable/CCS/ARM_CM4F/portasm.asm
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@ -179,6 +179,12 @@ vPortStartFirstTask: .asmfunc
ldr r0, [r0]
;/* Set the msp back to the start of the stack. */
msr msp, r0
;/* Clear the bit that indicates the FPU is in use in case the FPU was used
;before the scheduler was started - which would otherwise result in the
;unnecessary leaving of space in the SVC stack for lazy saving of FPU
;registers. */
mov r0, #0
msr control, r0
;/* Call SVC to start the first task. */
cpsie i
cpsie f

18
FreeRTOS/Source/portable/GCC/ARM_CM3/port.c
Unescape Escape View File

@ -324,6 +324,24 @@ BaseType_t xPortStartScheduler( void )
ucMaxPriorityValue <<= ( uint8_t ) 0x01;
}
#ifdef __NVIC_PRIO_BITS
{
/* Check the CMSIS configuration that defines the number of
priority bits matches the number of priority bits actually queried
from the hardware. */
configASSERT( ( portMAX_PRIGROUP_BITS - ulMaxPRIGROUPValue ) == __NVIC_PRIO_BITS );
}
#endif
#ifdef configPRIO_BITS
{
/* Check the FreeRTOS configuration that defines the number of
priority bits matches the number of priority bits actually queried
from the hardware. */
configASSERT( ( portMAX_PRIGROUP_BITS - ulMaxPRIGROUPValue ) == configPRIO_BITS );
}
#endif
/* Shift the priority group value back to its position within the AIRCR
register. */
ulMaxPRIGROUPValue <<= portPRIGROUP_SHIFT;

2
FreeRTOS/Source/portable/GCC/ARM_CM3_MPU/portmacro.h
Unescape Escape View File

@ -173,7 +173,7 @@ typedef struct MPU_SETTINGS
#define portNVIC_INT_CTRL_REG ( * ( ( volatile uint32_t * ) 0xe000ed04 ) )
#define portNVIC_PENDSVSET_BIT ( 1UL << 28UL )
#define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) portNVIC_INT_CTRL_REG = portNVIC_PENDSVSET
#define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) portNVIC_INT_CTRL_REG = portNVIC_PENDSVSET_BIT
#define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x )
/*-----------------------------------------------------------*/

24
FreeRTOS/Source/portable/GCC/ARM_CM4F/port.c
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@ -291,11 +291,17 @@ void vPortSVCHandler( void )
static void prvPortStartFirstTask( void )
{
/* Start the first task. This also clears the bit that indicates the FPU is
in use in case the FPU was used before the scheduler was started - which
would otherwise result in the unnecessary leaving of space in the SVC stack
for lazy saving of FPU registers. */
__asm volatile(
" ldr r0, =0xE000ED08 \n" /* Use the NVIC offset register to locate the stack. */
" ldr r0, [r0] \n"
" ldr r0, [r0] \n"
" msr msp, r0 \n" /* Set the msp back to the start of the stack. */
" mov r0, #0 \n" /* Clear the bit that indicates the FPU is in use, see comment above. */
" msr control, r0 \n"
" cpsie i \n" /* Globally enable interrupts. */
" cpsie f \n"
" dsb \n"
@ -354,6 +360,24 @@ BaseType_t xPortStartScheduler( void )
ucMaxPriorityValue <<= ( uint8_t ) 0x01;
}
#ifdef __NVIC_PRIO_BITS
{
/* Check the CMSIS configuration that defines the number of
priority bits matches the number of priority bits actually queried
from the hardware. */
configASSERT( ( portMAX_PRIGROUP_BITS - ulMaxPRIGROUPValue ) == __NVIC_PRIO_BITS );
}
#endif
#ifdef configPRIO_BITS
{
/* Check the FreeRTOS configuration that defines the number of
priority bits matches the number of priority bits actually queried
from the hardware. */
configASSERT( ( portMAX_PRIGROUP_BITS - ulMaxPRIGROUPValue ) == configPRIO_BITS );
}
#endif
/* Shift the priority group value back to its position within the AIRCR
register. */
ulMaxPRIGROUPValue <<= portPRIGROUP_SHIFT;

25
FreeRTOS/Source/portable/GCC/ARM_CM4_MPU/port.c
Unescape Escape View File

@ -374,6 +374,24 @@ BaseType_t xPortStartScheduler( void )
ucMaxPriorityValue <<= ( uint8_t ) 0x01;
}
#ifdef __NVIC_PRIO_BITS
{
/* Check the CMSIS configuration that defines the number of
priority bits matches the number of priority bits actually queried
from the hardware. */
configASSERT( ( portMAX_PRIGROUP_BITS - ulMaxPRIGROUPValue ) == __NVIC_PRIO_BITS );
}
#endif
#ifdef configPRIO_BITS
{
/* Check the FreeRTOS configuration that defines the number of
priority bits matches the number of priority bits actually queried
from the hardware. */
configASSERT( ( portMAX_PRIGROUP_BITS - ulMaxPRIGROUPValue ) == configPRIO_BITS );
}
#endif
/* Shift the priority group value back to its position within the AIRCR
register. */
ulMaxPRIGROUPValue <<= portPRIGROUP_SHIFT;
@ -407,12 +425,17 @@ BaseType_t xPortStartScheduler( void )
/* Lazy save always. */
*( portFPCCR ) |= portASPEN_AND_LSPEN_BITS;
/* Start the first task. */
/* Start the first task. This also clears the bit that indicates the FPU is
in use in case the FPU was used before the scheduler was started - which
would otherwise result in the unnecessary leaving of space in the SVC stack
for lazy saving of FPU registers. */
__asm volatile(
" ldr r0, =0xE000ED08 \n" /* Use the NVIC offset register to locate the stack. */
" ldr r0, [r0] \n"
" ldr r0, [r0] \n"
" msr msp, r0 \n" /* Set the msp back to the start of the stack. */
" mov r0, #0 \n" /* Clear the bit that indicates the FPU is in use, see comment above. */
" msr control, r0 \n"
" cpsie i \n" /* Globally enable interrupts. */
" cpsie f \n"
" dsb \n"

2
FreeRTOS/Source/portable/GCC/ARM_CM4_MPU/portmacro.h
Unescape Escape View File

@ -173,7 +173,7 @@ typedef struct MPU_SETTINGS
#define portNVIC_INT_CTRL_REG ( * ( ( volatile uint32_t * ) 0xe000ed04 ) )
#define portNVIC_PENDSVSET_BIT ( 1UL << 28UL )
#define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) portNVIC_INT_CTRL_REG = portNVIC_PENDSVSET
#define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) portNVIC_INT_CTRL_REG = portNVIC_PENDSVSET_BIT
#define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x )
/*-----------------------------------------------------------*/

24
FreeRTOS/Source/portable/GCC/ARM_CM7/r0p1/port.c
Unescape Escape View File

@ -285,11 +285,17 @@ void vPortSVCHandler( void )
static void prvPortStartFirstTask( void )
{
/* Start the first task. This also clears the bit that indicates the FPU is
in use in case the FPU was used before the scheduler was started - which
would otherwise result in the unnecessary leaving of space in the SVC stack
for lazy saving of FPU registers. */
__asm volatile(
" ldr r0, =0xE000ED08 \n" /* Use the NVIC offset register to locate the stack. */
" ldr r0, [r0] \n"
" ldr r0, [r0] \n"
" msr msp, r0 \n" /* Set the msp back to the start of the stack. */
" mov r0, #0 \n" /* Clear the bit that indicates the FPU is in use, see comment above. */
" msr control, r0 \n"
" cpsie i \n" /* Globally enable interrupts. */
" cpsie f \n"
" dsb \n"
@ -342,6 +348,24 @@ BaseType_t xPortStartScheduler( void )
ucMaxPriorityValue <<= ( uint8_t ) 0x01;
}
#ifdef __NVIC_PRIO_BITS
{
/* Check the CMSIS configuration that defines the number of
priority bits matches the number of priority bits actually queried
from the hardware. */
configASSERT( ( portMAX_PRIGROUP_BITS - ulMaxPRIGROUPValue ) == __NVIC_PRIO_BITS );
}
#endif
#ifdef configPRIO_BITS
{
/* Check the FreeRTOS configuration that defines the number of
priority bits matches the number of priority bits actually queried
from the hardware. */
configASSERT( ( portMAX_PRIGROUP_BITS - ulMaxPRIGROUPValue ) == configPRIO_BITS );
}
#endif
/* Shift the priority group value back to its position within the AIRCR
register. */
ulMaxPRIGROUPValue <<= portPRIGROUP_SHIFT;

18
FreeRTOS/Source/portable/IAR/ARM_CM3/port.c
Unescape Escape View File

@ -279,6 +279,24 @@ BaseType_t xPortStartScheduler( void )
ucMaxPriorityValue <<= ( uint8_t ) 0x01;
}
#ifdef __NVIC_PRIO_BITS
{
/* Check the CMSIS configuration that defines the number of
priority bits matches the number of priority bits actually queried
from the hardware. */
configASSERT( ( portMAX_PRIGROUP_BITS - ulMaxPRIGROUPValue ) == __NVIC_PRIO_BITS );
}
#endif
#ifdef configPRIO_BITS
{
/* Check the FreeRTOS configuration that defines the number of
priority bits matches the number of priority bits actually queried
from the hardware. */
configASSERT( ( portMAX_PRIGROUP_BITS - ulMaxPRIGROUPValue ) == configPRIO_BITS );
}
#endif
/* Shift the priority group value back to its position within the AIRCR
register. */
ulMaxPRIGROUPValue <<= portPRIGROUP_SHIFT;

18
FreeRTOS/Source/portable/IAR/ARM_CM4F/port.c
Unescape Escape View File

@ -314,6 +314,24 @@ BaseType_t xPortStartScheduler( void )
ucMaxPriorityValue <<= ( uint8_t ) 0x01;
}
#ifdef __NVIC_PRIO_BITS
{
/* Check the CMSIS configuration that defines the number of
priority bits matches the number of priority bits actually queried
from the hardware. */
configASSERT( ( portMAX_PRIGROUP_BITS - ulMaxPRIGROUPValue ) == __NVIC_PRIO_BITS );
}
#endif
#ifdef configPRIO_BITS
{
/* Check the FreeRTOS configuration that defines the number of
priority bits matches the number of priority bits actually queried
from the hardware. */
configASSERT( ( portMAX_PRIGROUP_BITS - ulMaxPRIGROUPValue ) == configPRIO_BITS );
}
#endif
/* Shift the priority group value back to its position within the AIRCR
register. */
ulMaxPRIGROUPValue <<= portPRIGROUP_SHIFT;

6
FreeRTOS/Source/portable/IAR/ARM_CM4F/portasm.s
Unescape Escape View File

@ -160,6 +160,12 @@ vPortStartFirstTask
ldr r0, [r0]
/* Set the msp back to the start of the stack. */
msr msp, r0
/* Clear the bit that indicates the FPU is in use in case the FPU was used
before the scheduler was started - which would otherwise result in the
unnecessary leaving of space in the SVC stack for lazy saving of FPU
registers. */
mov r0, #0
msr control, r0
/* Call SVC to start the first task. */
cpsie i
cpsie f

18
FreeRTOS/Source/portable/IAR/ARM_CM7/r0p1/port.c
Unescape Escape View File

@ -298,6 +298,24 @@ BaseType_t xPortStartScheduler( void )
ucMaxPriorityValue <<= ( uint8_t ) 0x01;
}
#ifdef __NVIC_PRIO_BITS
{
/* Check the CMSIS configuration that defines the number of
priority bits matches the number of priority bits actually queried
from the hardware. */
configASSERT( ( portMAX_PRIGROUP_BITS - ulMaxPRIGROUPValue ) == __NVIC_PRIO_BITS );
}
#endif
#ifdef configPRIO_BITS
{
/* Check the FreeRTOS configuration that defines the number of
priority bits matches the number of priority bits actually queried
from the hardware. */
configASSERT( ( portMAX_PRIGROUP_BITS - ulMaxPRIGROUPValue ) == configPRIO_BITS );
}
#endif
/* Shift the priority group value back to its position within the AIRCR
register. */
ulMaxPRIGROUPValue <<= portPRIGROUP_SHIFT;

6
FreeRTOS/Source/portable/IAR/ARM_CM7/r0p1/portasm.s
Unescape Escape View File

@ -162,6 +162,12 @@ vPortStartFirstTask
ldr r0, [r0]
/* Set the msp back to the start of the stack. */
msr msp, r0
/* Clear the bit that indicates the FPU is in use in case the FPU was used
before the scheduler was started - which would otherwise result in the
unnecessary leaving of space in the SVC stack for lazy saving of FPU
registers. */
mov r0, #0
msr control, r0
/* Call SVC to start the first task. */
cpsie i
cpsie f

1
FreeRTOS/Source/portable/MemMang/heap_1.c
Unescape Escape View File

@ -104,6 +104,7 @@ task.h is included from an application file. */
static uint8_t ucHeap[ configTOTAL_HEAP_SIZE ];
#endif /* configAPPLICATION_ALLOCATED_HEAP */
/* Index into the ucHeap array. */
static size_t xNextFreeByte = ( size_t ) 0;
/*-----------------------------------------------------------*/

25
FreeRTOS/Source/portable/MikroC/ARM_CM4F/port.c
Unescape Escape View File

@ -153,6 +153,7 @@ is defined. */
#define basepri 17
#define msp 8
#define ipsr 5
#define control 20
/* From port.c. */
extern void *pxCurrentTCB;
@ -301,6 +302,12 @@ static void prvPortStartFirstTask( void )
ldr r0, [r0]
ldr r0, [r0]
msr msp, r0 /* Set the msp back to the start of the stack. */
/* Clear the bit that indicates the FPU is in use in case the FPU was used
before the scheduler was started - which would otherwise result in the
unnecessary leaving of space in the SVC stack for lazy saving of FPU
registers. */
mov r0, #0
msr control, r0
cpsie i /* Globally enable interrupts. */
cpsie f
dsb
@ -357,6 +364,24 @@ BaseType_t xPortStartScheduler( void )
ucMaxPriorityValue <<= ( uint8_t ) 0x01;
}
#ifdef __NVIC_PRIO_BITS
{
/* Check the CMSIS configuration that defines the number of
priority bits matches the number of priority bits actually queried
from the hardware. */
configASSERT( ( portMAX_PRIGROUP_BITS - ulMaxPRIGROUPValue ) == __NVIC_PRIO_BITS );
}
#endif
#ifdef configPRIO_BITS
{
/* Check the FreeRTOS configuration that defines the number of
priority bits matches the number of priority bits actually queried
from the hardware. */
configASSERT( ( portMAX_PRIGROUP_BITS - ulMaxPRIGROUPValue ) == configPRIO_BITS );
}
#endif
/* Shift the priority group value back to its position within the AIRCR
register. */
ulMaxPRIGROUPValue <<= portPRIGROUP_SHIFT;

18
FreeRTOS/Source/portable/RVDS/ARM_CM3/port.c
Unescape Escape View File

@ -325,6 +325,24 @@ BaseType_t xPortStartScheduler( void )
ucMaxPriorityValue <<= ( uint8_t ) 0x01;
}
#ifdef __NVIC_PRIO_BITS
{
/* Check the CMSIS configuration that defines the number of
priority bits matches the number of priority bits actually queried
from the hardware. */
configASSERT( ( portMAX_PRIGROUP_BITS - ulMaxPRIGROUPValue ) == __NVIC_PRIO_BITS );
}
#endif
#ifdef configPRIO_BITS
{
/* Check the FreeRTOS configuration that defines the number of
priority bits matches the number of priority bits actually queried
from the hardware. */
configASSERT( ( portMAX_PRIGROUP_BITS - ulMaxPRIGROUPValue ) == configPRIO_BITS );
}
#endif
/* Shift the priority group value back to its position within the AIRCR
register. */
ulMaxPRIGROUPValue <<= portPRIGROUP_SHIFT;

24
FreeRTOS/Source/portable/RVDS/ARM_CM4F/port.c
Unescape Escape View File

@ -302,6 +302,12 @@ __asm void prvStartFirstTask( void )
ldr r0, [r0]
/* Set the msp back to the start of the stack. */
msr msp, r0
/* Clear the bit that indicates the FPU is in use in case the FPU was used
before the scheduler was started - which would otherwise result in the
unnecessary leaving of space in the SVC stack for lazy saving of FPU
registers. */
mov r0, #0
msr control, r0
/* Globally enable interrupts. */
cpsie i
cpsie f
@ -382,6 +388,24 @@ BaseType_t xPortStartScheduler( void )
ucMaxPriorityValue <<= ( uint8_t ) 0x01;
}
#ifdef __NVIC_PRIO_BITS
{
/* Check the CMSIS configuration that defines the number of
priority bits matches the number of priority bits actually queried
from the hardware. */
configASSERT( ( portMAX_PRIGROUP_BITS - ulMaxPRIGROUPValue ) == __NVIC_PRIO_BITS );
}
#endif
#ifdef configPRIO_BITS
{
/* Check the FreeRTOS configuration that defines the number of
priority bits matches the number of priority bits actually queried
from the hardware. */
configASSERT( ( portMAX_PRIGROUP_BITS - ulMaxPRIGROUPValue ) == configPRIO_BITS );
}
#endif
/* Shift the priority group value back to its position within the AIRCR
register. */
ulMaxPRIGROUPValue <<= portPRIGROUP_SHIFT;

33
FreeRTOS/Source/portable/RVDS/ARM_CM4_MPU/port.c
Unescape Escape View File

@ -381,6 +381,24 @@ BaseType_t xPortStartScheduler( void )
ucMaxPriorityValue <<= ( uint8_t ) 0x01;
}
#ifdef __NVIC_PRIO_BITS
{
/* Check the CMSIS configuration that defines the number of
priority bits matches the number of priority bits actually queried
from the hardware. */
configASSERT( ( portMAX_PRIGROUP_BITS - ulMaxPRIGROUPValue ) == __NVIC_PRIO_BITS );
}
#endif
#ifdef configPRIO_BITS
{
/* Check the FreeRTOS configuration that defines the number of
priority bits matches the number of priority bits actually queried
from the hardware. */
configASSERT( ( portMAX_PRIGROUP_BITS - ulMaxPRIGROUPValue ) == configPRIO_BITS );
}
#endif
/* Shift the priority group value back to its position within the AIRCR
register. */
ulMaxPRIGROUPValue <<= portPRIGROUP_SHIFT;
@ -426,11 +444,20 @@ __asm void prvStartFirstTask( void )
{
PRESERVE8
ldr r0, =0xE000ED08 /* Use the NVIC offset register to locate the stack. */
/* Use the NVIC offset register to locate the stack. */
ldr r0, =0xE000ED08
ldr r0, [r0]
ldr r0, [r0]
msr msp, r0 /* Set the msp back to the start of the stack. */
cpsie i /* Globally enable interrupts. */
/* Set the msp back to the start of the stack. */
msr msp, r0
/* Clear the bit that indicates the FPU is in use in case the FPU was used
before the scheduler was started - which would otherwise result in the
unnecessary leaving of space in the SVC stack for lazy saving of FPU
registers. */
mov r0, #0
msr control, r0
/* Globally enable interrupts. */
cpsie i
cpsie f
dsb
isb

2
FreeRTOS/Source/portable/RVDS/ARM_CM4_MPU/portmacro.h
Unescape Escape View File

@ -179,7 +179,7 @@ typedef struct MPU_SETTINGS
#define portNVIC_INT_CTRL_REG ( * ( ( volatile uint32_t * ) 0xe000ed04 ) )
#define portNVIC_PENDSVSET_BIT ( 1UL << 28UL )
#define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) portNVIC_INT_CTRL_REG = portNVIC_PENDSVSET
#define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) portNVIC_INT_CTRL_REG = portNVIC_PENDSVSET_BIT
#define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x )
/*-----------------------------------------------------------*/

24
FreeRTOS/Source/portable/RVDS/ARM_CM7/r0p1/port.c
Unescape Escape View File

@ -296,6 +296,12 @@ __asm void prvStartFirstTask( void )
ldr r0, [r0]
/* Set the msp back to the start of the stack. */
msr msp, r0
/* Clear the bit that indicates the FPU is in use in case the FPU was used
before the scheduler was started - which would otherwise result in the
unnecessary leaving of space in the SVC stack for lazy saving of FPU
registers. */
mov r0, #0
msr control, r0
/* Globally enable interrupts. */
cpsie i
cpsie f
@ -366,6 +372,24 @@ BaseType_t xPortStartScheduler( void )
ucMaxPriorityValue <<= ( uint8_t ) 0x01;
}
#ifdef __NVIC_PRIO_BITS
{
/* Check the CMSIS configuration that defines the number of
priority bits matches the number of priority bits actually queried
from the hardware. */
configASSERT( ( portMAX_PRIGROUP_BITS - ulMaxPRIGROUPValue ) == __NVIC_PRIO_BITS );
}
#endif
#ifdef configPRIO_BITS
{
/* Check the FreeRTOS configuration that defines the number of
priority bits matches the number of priority bits actually queried
from the hardware. */
configASSERT( ( portMAX_PRIGROUP_BITS - ulMaxPRIGROUPValue ) == configPRIO_BITS );
}
#endif
/* Shift the priority group value back to its position within the AIRCR
register. */
ulMaxPRIGROUPValue <<= portPRIGROUP_SHIFT;

26
FreeRTOS/Source/queue.c
Unescape Escape View File

@ -567,6 +567,32 @@ static void prvInitialiseNewQueue( const UBaseType_t uxQueueLength, const UBaseT
#endif
/*-----------------------------------------------------------*/
#if ( ( configUSE_MUTEXES == 1 ) && ( INCLUDE_xSemaphoreGetMutexHolder == 1 ) )
void* xQueueGetMutexHolderFromISR( QueueHandle_t xSemaphore )
{
void *pxReturn;
configASSERT( xSemaphore );
/* Mutexes cannot be used in interrupt service routines, so the mutex
holder should not change in an ISR, and therefore a critical section is
not required here. */
if( ( ( Queue_t * ) xSemaphore )->uxQueueType == queueQUEUE_IS_MUTEX )
{
pxReturn = ( void * ) ( ( Queue_t * ) xSemaphore )->pxMutexHolder;
}
else
{
pxReturn = NULL;
}
return pxReturn;
} /*lint !e818 xSemaphore cannot be a pointer to const because it is a typedef. */
#endif
/*-----------------------------------------------------------*/
#if ( configUSE_RECURSIVE_MUTEXES == 1 )
BaseType_t xQueueGiveMutexRecursive( QueueHandle_t xMutex )

27
FreeRTOS/Source/tasks.c
Unescape Escape View File

@ -2491,7 +2491,7 @@ implementations require configUSE_TICKLESS_IDLE to be set to a value other than
mtCOVERAGE_TEST_MARKER();
}
}
xTaskResumeAll();
( void ) xTaskResumeAll();
return xReturn;
}
@ -2962,10 +2962,9 @@ BaseType_t xReturn;
}
/*-----------------------------------------------------------*/
BaseType_t xTaskRemoveFromUnorderedEventList( ListItem_t * pxEventListItem, const TickType_t xItemValue )
void vTaskRemoveFromUnorderedEventList( ListItem_t * pxEventListItem, const TickType_t xItemValue )
{
TCB_t *pxUnblockedTCB;
BaseType_t xReturn;
/* THIS FUNCTION MUST BE CALLED WITH THE SCHEDULER SUSPENDED. It is used by
the event flags implementation. */
@ -2988,22 +2987,12 @@ BaseType_t xReturn;
if( pxUnblockedTCB->uxPriority > pxCurrentTCB->uxPriority )
{
/* Return true if the task removed from the event list has
a higher priority than the calling task. This allows
the calling task to know if it should force a context
switch now. */
xReturn = pdTRUE;
/* Mark that a yield is pending in case the user is not using the
"xHigherPriorityTaskWoken" parameter to an ISR safe FreeRTOS function. */
/* The unblocked task has a priority above that of the calling task, so
a context switch is required. This function is called with the
scheduler suspended so xYieldPending is set so the context switch
occurs immediately that the scheduler is resumed (unsuspended). */
xYieldPending = pdTRUE;
}
else
{
xReturn = pdFALSE;
}
return xReturn;
}
/*-----------------------------------------------------------*/
@ -3438,7 +3427,7 @@ static void prvCheckTasksWaitingTermination( void )
pxTaskStatus->eCurrentState = eBlocked;
}
}
xTaskResumeAll();
( void ) xTaskResumeAll();
}
}
#endif /* INCLUDE_vTaskSuspend */
@ -3502,7 +3491,7 @@ static void prvCheckTasksWaitingTermination( void )
static UBaseType_t prvListTasksWithinSingleList( TaskStatus_t *pxTaskStatusArray, List_t *pxList, eTaskState eState )
{
volatile TCB_t *pxNextTCB, *pxFirstTCB;
configLIST_VOLATILE TCB_t *pxNextTCB, *pxFirstTCB;
UBaseType_t uxTask = 0;
if( listCURRENT_LIST_LENGTH( pxList ) > ( UBaseType_t ) 0 )

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