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Minor updates only.

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This commit is contained in:
Richard Barry 2008-12-06 13:35:43 +00:00
parent ea30213367
commit a859c59080
1 changed files with 10 additions and 1 deletions
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11
Source/portable/IAR/AtmelSAM9XE/port.c
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@ -72,7 +72,8 @@
/*-----------------------------------------------------------*/
/* Constants required to setup the initial stack. */
#define portINITIAL_SPSR ( ( portSTACK_TYPE ) 0x3f ) /* System mode, THUMB mode, interrupts enabled. */
#define portINITIAL_SPSR ( ( portSTACK_TYPE ) 0x1f ) /* System mode, ARM mode, interrupts enabled. */
#define portTHUMB_MODE_BIT ( ( portSTACK_TYPE ) 0x20 )
#define portINSTRUCTION_SIZE ( ( portSTACK_TYPE ) 4 )
/* Constants required to setup the PIT. */
@ -158,6 +159,14 @@ portSTACK_TYPE *pxOriginalTOS;
/* The status register is set for system mode, with interrupts enabled. */
*pxTopOfStack = ( portSTACK_TYPE ) portINITIAL_SPSR;
#ifdef THUMB_INTERWORK
{
/* We want the task to start in thumb mode. */
*pxTopOfStack |= portTHUMB_MODE_BIT;
}
#endif
pxTopOfStack--;
/* Interrupt flags cannot always be stored on the stack and will