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portable/ARM_CM0: Add xPortIsInsideInterrupt

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Add missing xPortIsInsideInterrupt function to Cortex-M0 port.
This commit is contained in:
Paul Bartell 2023-04-18 14:43:29 -07:00 • committed by Paul Bartell
parent 714e543247
commit 5f19e34f87
3 changed files with 111 additions and 5 deletions
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42
portable/GCC/ARM_CM0/portmacro.h
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@ -30,9 +30,11 @@
#ifndef PORTMACRO_H
#define PORTMACRO_H
/* *INDENT-OFF* */
#ifdef __cplusplus
extern "C" {
extern "C" {
#endif
/* *INDENT-ON* */
/*-----------------------------------------------------------
* Port specific definitions.
@ -123,8 +125,42 @@ extern void vClearInterruptMaskFromISR( uint32_t ulMask ) __attribute__( ( nake
#define portMEMORY_BARRIER() __asm volatile ( "" ::: "memory" )
#ifdef __cplusplus
}
#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;
}
/*-----------------------------------------------------------*/
/* *INDENT-OFF* */
#ifdef __cplusplus
}
#endif
/* *INDENT-ON* */
#endif /* PORTMACRO_H */