Ready the RL78 port for release.

git-svn-id: https://svn.code.sf.net/p/freertos/code/trunk@1590 1d2547de-c912-0410-9cb9-b8ca96c0e9e2

diff --git a/Source/portable/IAR/RL78/port.c b/Source/portable/IAR/RL78/port.c
index 29bf14f080a58fd60ee4bff8d64ba5c35e084d42..e652683e9f4a95a08aaae929faee0594d4ff0b51 100644 (file)
--- a/Source/portable/IAR/RL78/port.c
+++ b/Source/portable/IAR/RL78/port.c
@@ -57,16 +57,13 @@
     licensing and training services.\r
 */\r
 \r
-/* Standard includes. */\r
-#include <stdlib.h>\r
-\r
 /* Scheduler includes. */\r
 #include "FreeRTOS.h"\r
 #include "task.h"\r
 \r
 /* The critical nesting value is initialised to a non zero value to ensure\r
 interrupts don't accidentally become enabled before the scheduler is started. */\r
-#define portINITIAL_CRITICAL_NESTING  (( unsigned short ) 10)\r
+#define portINITIAL_CRITICAL_NESTING  ( ( unsigned short ) 10 )\r
 \r
 /* Initial PSW value allocated to a newly created task.\r
  *   1100011000000000\r
@@ -79,32 +76,30 @@ interrupts don't accidentally become enabled before the scheduler is started. */
  *   |--------------------- Zero Flag set\r
  *   ---------------------- Global Interrupt Flag set (enabled)\r
  */\r
-#define portPSW                  (0xc6UL)\r
+#define portPSW                  ( 0xc6U )\r
 \r
-/* We require the address of the pxCurrentTCB variable, but don't want to know\r
-any details of its type. */\r
+/* The address of the pxCurrentTCB variable, but don't know or need to know its\r
+type. */\r
 typedef void tskTCB;\r
 extern volatile tskTCB * volatile pxCurrentTCB;\r
 \r
-/* Most ports implement critical sections by placing the interrupt flags on\r
-the stack before disabling interrupts.  Exiting the critical section is then\r
-simply a case of popping the flags from the stack.  As 78K0 IAR does not use\r
-a frame pointer this cannot be done as modifying the stack will clobber all\r
-the stack variables.  Instead each task maintains a count of the critical\r
-section nesting depth.  Each time a critical section is entered the count is\r
-incremented.  Each time a critical section is left the count is decremented -\r
-with interrupts only being re-enabled if the count is zero.\r
+/* Each task maintains a count of the critical section nesting depth.  Each time\r
+a critical section is entered the count is incremented.  Each time a critical\r
+section is exited the count is decremented - with interrupts only being\r
+re-enabled if the count is zero.\r
 \r
 usCriticalNesting will get set to zero when the scheduler starts, but must\r
-not be initialised to zero as this will cause problems during the startup\r
+not be initialised to zero as that could cause problems during the startup\r
 sequence. */\r
 volatile unsigned short usCriticalNesting = portINITIAL_CRITICAL_NESTING;\r
+\r
 /*-----------------------------------------------------------*/\r
 \r
 /*\r
  * Sets up the periodic ISR used for the RTOS tick.\r
  */\r
 static void prvSetupTimerInterrupt( void );\r
+\r
 /*-----------------------------------------------------------*/\r
 \r
 /*\r
@@ -184,8 +179,8 @@ unsigned long *pulLocal;
        first starts. */\r
        *pxTopOfStack = ( portSTACK_TYPE ) portNO_CRITICAL_SECTION_NESTING;     \r
 \r
-       /* Return a pointer to the top of the stack we have generated so this can\r
-       be stored in the task control block for the task. */\r
+       /* Return a pointer to the top of the stack that has beene generated so it\r
+       can     be stored in the task control block for the task. */\r
        return pxTopOfStack;\r
 }\r
 /*-----------------------------------------------------------*/\r
@@ -199,7 +194,7 @@ portBASE_TYPE xPortStartScheduler( void )
        /* Restore the context of the first task that is going to run. */\r
        vPortStart();\r
 \r
-       /* Should not get here as the tasks are now running! */\r
+       /* Execution should not reach here as the tasks are now running! */\r
        return pdTRUE;\r
 }\r
 /*-----------------------------------------------------------*/\r