Update yield code in RX200/Renesas compiler port.

FreeRTOS/Source/portable/Renesas/RX200/portmacro.h

diff --git a/FreeRTOS/Source/portable/Renesas/RX200/portmacro.h b/FreeRTOS/Source/portable/Renesas/RX200/portmacro.h
index a091660..08f008b 100644
--- a/FreeRTOS/Source/portable/Renesas/RX200/portmacro.h
+++ b/FreeRTOS/Source/portable/Renesas/RX200/portmacro.h
@@ -118,10 +118,22 @@
 #define portTICK_RATE_MS				( ( portTickType ) 1000 / configTICK_RATE_HZ )		

 #define portNOP()						nop()

 

-/* The location of the software interrupt register.  Software interrupts use

-vector 27. */

-#define portITU_SWINTR			( ( unsigned char * ) 0x000872E0 )

-#define portYIELD()				*portITU_SWINTR = 0x01; nop(); nop(); nop(); nop(); nop()

+#pragma inline_asm vPortYield

+static void vPortYield( void )

+{

+	/* Save clobbered register - may not actually be necessary if inline asm

+	functions are considered to use the same rules as function calls by the

+	compiler. */

+	PUSH.L R5

+	/* Set ITU SWINTR. */

+	MOV.L #553696, R5

+	MOV.B #1, [R5]

+	/* Read back to ensure the value is taken before proceeding. */

+	MOV.L [R5], R5

+	/* Restore clobbered register to its previous value. */

+	POP R5

+}

+#define portYIELD()	vPortYield()

 #define portYIELD_FROM_ISR( x )	if( x != pdFALSE ) portYIELD()

 

 /*

@@ -137,12 +149,12 @@
 /* The critical nesting functions defined within tasks.c. */

 extern void vTaskEnterCritical( void );

 extern void vTaskExitCritical( void );

-#define portENTER_CRITICAL()	vTaskEnterCritical();

-#define portEXIT_CRITICAL()		vTaskExitCritical();

+#define portENTER_CRITICAL()	vTaskEnterCritical()

+#define portEXIT_CRITICAL()		vTaskExitCritical()

 

 /* As this port allows interrupt nesting... */

-#define portSET_INTERRUPT_MASK_FROM_ISR() get_ipl(); set_ipl( configMAX_SYSCALL_INTERRUPT_PRIORITY )

-#define portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedInterruptStatus ) set_ipl( uxSavedInterruptStatus )

+#define portSET_INTERRUPT_MASK_FROM_ISR() get_ipl(); set_ipl( ( long ) configMAX_SYSCALL_INTERRUPT_PRIORITY )

+#define portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedInterruptStatus ) set_ipl( ( long ) uxSavedInterruptStatus )

 

 /*-----------------------------------------------------------*/

 

@@ -150,6 +162,9 @@
 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )

 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )

 

+/* This macro is not appropriate for this port so is defined away. */

+#define portALIGNMENT_ASSERT_pxCurrentTCB( x )

+

 #ifdef __cplusplus

 }

 #endif