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Update yield code in RX600/IAR compiler port.

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Richard Barry 2013-04-17 08:46:10 +00:00
parent 4f5f527c73
commit 0013028c7a
1 changed files with 21 additions and 11 deletions
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18
FreeRTOS/Source/portable/IAR/RX600/portmacro.h
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@ -117,10 +117,20 @@ portSTACK_TYPE and portBASE_TYPE. */
#define portTICK_RATE_MS ( ( portTickType ) 1000 / configTICK_RATE_HZ ) #define portTICK_RATE_MS ( ( portTickType ) 1000 / configTICK_RATE_HZ )
#define portNOP() __no_operation() #define portNOP() __no_operation()
/* The location of the software interrupt register. Software interrupts use /* Yield equivalent to "*portITU_SWINTR = 0x01; ( void ) *portITU_SWINTR;"
vector 27. */ where portITU_SWINTR is the location of the software interrupt register
#define portITU_SWINTR ( ( unsigned char * ) 0x000872E0 ) (0x000872E0). Don't rely on the assembler to select a register, so instead
#define portYIELD() *portITU_SWINTR = ( unsigned char ) 0x01; portNOP(); portNOP(); portNOP(); portNOP(); portNOP() save and restore clobbered registers manually. */
#define portYIELD() \
__asm volatile \
( \
"PUSH.L R10 \n" \
"MOV.L #0x872E0, R10 \n" \
"MOV.B #0x1, [R10] \n" \
"MOV.L [R10], R10 \n" \
"POP R10 \n" \
)
#define portYIELD_FROM_ISR( x ) if( ( x ) != pdFALSE ) portYIELD() #define portYIELD_FROM_ISR( x ) if( ( x ) != pdFALSE ) portYIELD()
/* /*