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Add configCLEAR_TICK_INTERRUPT() to the IAR and RVDS Cortex-A9 ports.

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Replace LDMFD with POP instructions in IAR and RVDS Cortex-A9 ports.
Replace branch to address with indirect branch and exchange to address in register in the IAR and RVDS Cortex-A9 ports.
This commit is contained in:
Richard Barry 2014-02-04 17:02:52 +00:00
parent 9a8da3ff38
commit d12ec14160
9 changed files with 27 additions and 10 deletions
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6
FreeRTOS/Source/portable/RVDS/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
#ifndef configCLEAR_TICK_INTERRUPT
#define configCLEAR_TICK_INTERRUPT()
#endif
/* The number of bits to shift for an interrupt priority is dependent on the
number of bits implemented by the interrupt controller. */
#if configUNIQUE_INTERRUPT_PRIORITIES == 16
@ -167,7 +171,6 @@ point is zero. */
/* Constants required to setup the initial task context. */
#define portINITIAL_SPSR ( ( StackType_t ) 0x1f ) /* System mode, ARM mode, interrupts enabled. */
#define portTHUMB_MODE_BIT ( ( StackType_t ) 0x20 )
#define portINTERRUPT_ENABLE_BIT ( 0x80UL )
#define portTHUMB_MODE_ADDRESS ( 0x01UL )
/* Masks all bits in the APSR other than the mode bits. */
@ -393,6 +396,7 @@ void FreeRTOS_Tick_Handler( void )
/* Ensure all interrupt priorities are active again. */
portCLEAR_INTERRUPT_MASK();
configCLEAR_TICK_INTERRUPT();
}
/*-----------------------------------------------------------*/