19  * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
20  * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
30 * Implementation of functions defined in portable.h for the ARM CM3 port.
95 /* For strict compliance with the Cortex-M spec the task start address should
160  * Compensate for the CPU cycles that pass while the SysTick is stopped (low
181  * See header file for description.
189 …                                                /* Offset added to account for the way the MCU use…  in pxPortInitialiseStack()
214     for( ; ; )  in prvTaskExitError()
221  * See header file for description.
228      *    xPortPendSVHandler for SVCall and PendSV interrupts respectively.  in xPortStartScheduler()
229      * 2. Indirect Routing - Install separate handlers for SVCall and PendSV  in xPortStartScheduler()
242          * handlers for SVCall and PendSV interrupts. We do not check the  in xPortStartScheduler()
248          * FreeRTOS handlers. For help installing the FreeRTOS handlers, see  in xPortStartScheduler()
251          * Systems with a configurable address for the interrupt vector table  in xPortStartScheduler()
285          * accounting for the number of priority bits supported by the  in xPortStartScheduler()
296         /* Calculate the maximum acceptable priority group value for the number  in xPortStartScheduler()
307             /* When the hardware implements 8 priority bits, there is no way for  in xPortStartScheduler()
309              * a result, the least significant bit is always used for sub-priority  in xPortStartScheduler()
312              * This may cause some confusion in some cases - for example, if  in xPortStartScheduler()
353     /* Initialise the critical nesting count ready for the first task. */  in xPortStartScheduler()
447         /* If a context switch is pending or a task is waiting for the scheduler  in vPortSuppressTicksAndSleep()
457             /* Stop the SysTick momentarily.  The time the SysTick is stopped for  in vPortSuppressTicksAndSleep()
458              * is accounted for as best it can be, but using the tickless mode will  in vPortSuppressTicksAndSleep()
506              * its own wait for interrupt or wait for event instruction, and so wfi  in vPortSuppressTicksAndSleep()
539              * the time the SysTick is stopped for is accounted for as best it can  in vPortSuppressTicksAndSleep()
594                  * periods (not the ulReload value which accounted for part  in vPortSuppressTicksAndSleep()
638             /* Step the tick to account for any tick periods that elapsed. */  in vPortSuppressTicksAndSleep()
690             /* The following assertion will fail if a service routine (ISR) for  in vPortValidateInterruptPriority()
719          * the interrupt's sub-priority.  For simplicity all bits must be defined  in vPortValidateInterruptPriority()
723          * If the application only uses CMSIS libraries for interrupt  in vPortValidateInterruptPriority()