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Correct osThreadNew to also handle osThreadPrivileged attribute #183

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Merged
VladimirUmek merged 1 commit into from
Apr 15, 2026
Merged

Correct osThreadNew to also handle osThreadPrivileged attribute #183

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5 changes: 3 additions & 2 deletions ARM.CMSIS-FreeRTOS.pdsc
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@
<release version="11.2.1-dev">
Active Development ...
- Add CMSIS-RTOS2 Blinky reference application
- Correct osThreadNew to also handle osThreadPrivileged attribute
- Correct osKernelGetInfo() to properly return the kernel version number
- Correct osMessageQueueGetSpace to use uxQueueMessagesWaitingFromISR when in ISR
- Use ulTaskNotifyValueClear to implement osThreadFlagsClear
Expand Down Expand Up @@ -878,7 +879,7 @@

<components>
<!-- CMSIS-RTOS2 FreeRTOS component -->
<component Cclass="CMSIS" Cgroup="RTOS2" Csub="FreeRTOS" Cvariant="Cortex-M" Cversion="11.2.1" Capiversion="2.3.0" condition="CMSIS RTOS2 FreeRTOS CortexM">
<component Cclass="CMSIS" Cgroup="RTOS2" Csub="FreeRTOS" Cvariant="Cortex-M" Cversion="11.2.2" Capiversion="2.3.0" condition="CMSIS RTOS2 FreeRTOS CortexM">
<description>CMSIS-RTOS2 implementation for Cortex-M based on FreeRTOS</description>
<RTE_Components_h>
#define RTE_CMSIS_RTOS2 /* CMSIS-RTOS2 */
Expand All @@ -892,7 +893,7 @@
</files>
</component>

<component Cclass="CMSIS" Cgroup="RTOS2" Csub="FreeRTOS" Cvariant="Cortex-A" Cversion="11.2.1" Capiversion="2.3.0" condition="CMSIS RTOS2 FreeRTOS CortexA">
<component Cclass="CMSIS" Cgroup="RTOS2" Csub="FreeRTOS" Cvariant="Cortex-A" Cversion="11.2.2" Capiversion="2.3.0" condition="CMSIS RTOS2 FreeRTOS CortexA">
<description>CMSIS-RTOS2 implementation for Cortex-A based on FreeRTOS</description>
<RTE_Components_h>
#define RTE_CMSIS_RTOS2 /* CMSIS-RTOS2 */
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5 changes: 5 additions & 0 deletions CMSIS/RTOS2/FreeRTOS/Source/cmsis_os2.c
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Expand Up @@ -550,6 +550,11 @@ osThreadId_t osThreadNew (osThreadFunc_t func, void *argument, const osThreadAtt
return (NULL);
}

if ((attr->attr_bits & osThreadPrivileged) == osThreadPrivileged) {
/* Set privilege bit to create a privileged task */
prio |= portPRIVILEGE_BIT;
}

if (attr->stack_size > 0U) {
/* In FreeRTOS stack is not in bytes, but in sizeof(StackType_t) which is 4 on ARM ports. */
/* Stack size should be therefore 4 byte aligned in order to avoid division caused side effects */
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