+ New feature added: Task notifications.

[freertos] / FreeRTOS / Source / portable / IAR / ARM_CM3 / port.c

diff --git a/FreeRTOS/Source/portable/IAR/ARM_CM3/port.c b/FreeRTOS/Source/portable/IAR/ARM_CM3/port.c
index f6e4280e14c51bae6de32f60a0dc19e1f04f639c..1f4b0ab2e32b132911bf71c66f8541a60892c4d6 100644 (file)
--- a/FreeRTOS/Source/portable/IAR/ARM_CM3/port.c
+++ b/FreeRTOS/Source/portable/IAR/ARM_CM3/port.c
@@ -1,5 +1,5 @@
 /*\r
-    FreeRTOS V8.0.1 - Copyright (C) 2014 Real Time Engineers Ltd.\r
+    FreeRTOS V8.1.2 - Copyright (C) 2014 Real Time Engineers Ltd.\r
     All rights reserved\r
 \r
     VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.\r
@@ -113,6 +113,9 @@
 #define portPRIORITY_GROUP_MASK                                ( 0x07UL << 8UL )\r
 #define portPRIGROUP_SHIFT                                     ( 8UL )\r
 \r
+/* Masks off all bits but the VECTACTIVE bits in the ICSR register. */\r
+#define portVECTACTIVE_MASK                                    ( 0xFFUL )\r
+\r
 /* Constants required to set up the initial stack. */\r
 #define portINITIAL_XPSR                                       ( 0x01000000 )\r
 \r
@@ -324,6 +327,16 @@ void vPortEnterCritical( void )
        uxCriticalNesting++;\r
        __DSB();\r
        __ISB();\r
+\r
+       /* This is not the interrupt safe version of the enter critical function so\r
+       assert() if it is being called from an interrupt context.  Only API\r
+       functions that end in "FromISR" can be used in an interrupt.  Only assert if\r
+       the critical nesting count is 1 to protect against recursive calls if the\r
+       assert function also uses a critical section. */\r
+       if( uxCriticalNesting == 1 )\r
+       {\r
+               configASSERT( ( portNVIC_INT_CTRL_REG & portVECTACTIVE_MASK ) == 0 );\r
+       }\r
 }\r
 /*-----------------------------------------------------------*/\r
 \r