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Added portASSERT_IF_IN_INTERRUPT() macro to the GCC Cortex A9 port layer.

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This commit is contained in:
Richard Barry 2014-06-12 16:28:56 +00:00
parent de7df3cfda
commit 8426eba8e7
1 changed files with 15 additions and 4 deletions
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19
FreeRTOS/Source/portable/GCC/ARM_CA9/port.c
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@ -110,6 +110,10 @@
#error configMAX_API_CALL_INTERRUPT_PRIORITY must be greater than ( configUNIQUE_INTERRUPT_PRIORITIES / 2 )
#endif
/* Used to check non ISR safe API functions are not called from inside an
ISR. */
#define portASSERT_IF_IN_INTERRUPT() configASSERT( ( portICCRPR_RUNNING_PRIORITY_REGISTER == 0xffUL ) || ( portICCRPR_RUNNING_PRIORITY_REGISTER == portLOWEST_INTERRUPT_PRIORITY ) )
/* Some vendor specific files default configCLEAR_TICK_INTERRUPT() in
portmacro.h. */
#ifndef configCLEAR_TICK_INTERRUPT
@ -371,6 +375,10 @@ void vPortEndScheduler( void )
void vPortEnterCritical( void )
{
/* This is not the interrupt safe version of the enter critical function.
Only API functions that end in "FromISR" can be used in an interrupt. */
portASSERT_IF_IN_INTERRUPT();
/* Mask interrupts up to the max syscall interrupt priority. */
ulPortSetInterruptMask();
@ -383,6 +391,10 @@ void vPortEnterCritical( void )
void vPortExitCritical( void )
{
/* This is not the interrupt safe version of the enter critical function.
Only API functions that end in "FromISR" can be used in an interrupt. */
portASSERT_IF_IN_INTERRUPT();
if( ulCriticalNesting > portNO_CRITICAL_NESTING )
{
/* Decrement the nesting count as the critical section is being
@ -490,11 +502,8 @@ uint32_t ulReturn;
configMAX_SYSCALL_INTERRUPT_PRIORITY.
FreeRTOS maintains separate thread and ISR API functions to ensure
interrupt entry is as fast and simple as possible.
interrupt entry is as fast and simple as possible. */
The following links provide detailed information:
http://www.freertos.org/RTOS-Cortex-M3-M4.html
http://www.freertos.org/FAQHelp.html */
configASSERT( portICCRPR_RUNNING_PRIORITY_REGISTER >= ( uint32_t ) ( configMAX_API_CALL_INTERRUPT_PRIORITY << portPRIORITY_SHIFT ) );
/* Priority grouping: The interrupt controller (GIC) allows the bits
@ -513,3 +522,5 @@ uint32_t ulReturn;
#endif /* configASSERT_DEFINED */
/*-----------------------------------------------------------*/