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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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30
FreeRTOS/Source/portable/IAR/ARM_CM4F_MPU/portmacro.h
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@ -191,6 +191,36 @@ 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;
}
/*-----------------------------------------------------------*/
extern BaseType_t xIsPrivileged( void );