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Add xPortIsInsideInterrupt() to the IAR ARMv7-M ports.

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This commit is contained in:
Richard Barry 2020-01-03 01:17:29 +00:00
parent be3561ed53
commit 9e86cb95a7
5 changed files with 128 additions and 2 deletions
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34
FreeRTOS/Source/portable/IAR/ARM_CM7/r0p1/portmacro.h
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@ -77,6 +77,12 @@ typedef unsigned long UBaseType_t;
#define portBYTE_ALIGNMENT 8
/*-----------------------------------------------------------*/
/* Compiler directives. */
#define portWEAK_SYMBOL __attribute__( ( weak ) )
/*-----------------------------------------------------------*/
/* Scheduler utilities. */
#define portYIELD() \
{ \
@ -160,6 +166,34 @@ not necessary for to use this port. They are defined so the common demo files
/* portNOP() is not required by this port. */
#define portNOP()
#define portINLINE __inline
#ifndef portFORCE_INLINE
#define portFORCE_INLINE inline __attribute__(( always_inline))
#endif
/*-----------------------------------------------------------*/
portFORCE_INLINE static BaseType_t xPortIsInsideInterrupt( void )
{
uint32_t ulCurrentInterrupt;
BaseType_t xReturn;
/* Obtain the number of the currently executing interrupt. */
__asm volatile( "mrs %0, ipsr" : "=r"( ulCurrentInterrupt ) :: "memory" );
if( ulCurrentInterrupt == 0 )
{
xReturn = pdFALSE;
}
else
{
xReturn = pdTRUE;
}
return xReturn;
}
/*-----------------------------------------------------------*/
/* Suppress warnings that are generated by the IAR tools, but cannot be fixed in