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Make Cortex-M0 set/clear interrupt flag from ISR functions nestable.

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Don't reset the stack location when starting the scheduler in Cortex-M0 ports as the vector offset register is not implemented and XMC1000 devices have their application vector address somewhere other than 0x00.
This commit is contained in:
Richard Barry 2013-09-01 19:53:24 +00:00
parent ed399e801e
commit 73606369c4
9 changed files with 146 additions and 102 deletions
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14
FreeRTOS/Source/portable/RVDS/ARM_CM0/portmacro.h
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@ -114,16 +114,16 @@ extern void vPortYield( void );
#define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x )
/*-----------------------------------------------------------*/
/* Critical section management. */
extern void vPortEnterCritical( void );
extern void vPortExitCritical( void );
#define portSET_INTERRUPT_MASK() __disable_irq()
#define portCLEAR_INTERRUPT_MASK() __enable_irq()
#define portSET_INTERRUPT_MASK_FROM_ISR() 0;portSET_INTERRUPT_MASK()
#define portCLEAR_INTERRUPT_MASK_FROM_ISR(x) portCLEAR_INTERRUPT_MASK();(void)x
#define portDISABLE_INTERRUPTS() portSET_INTERRUPT_MASK()
#define portENABLE_INTERRUPTS() portCLEAR_INTERRUPT_MASK()
extern unsigned long ulSetInterruptMaskFromISR( void );
extern void vClearInterruptMaskFromISR( unsigned long ulMask );
#define portSET_INTERRUPT_MASK_FROM_ISR() ulSetInterruptMaskFromISR()
#define portCLEAR_INTERRUPT_MASK_FROM_ISR(x) vClearInterruptMaskFromISR( x )
#define portDISABLE_INTERRUPTS() __disable_irq()
#define portENABLE_INTERRUPTS() __enable_irq()
#define portENTER_CRITICAL() vPortEnterCritical()
#define portEXIT_CRITICAL() vPortExitCritical()