MSP430:

[freertos] / FreeRTOS / Source / portable / GCC / MicroBlazeV8 / port.c

diff --git a/FreeRTOS/Source/portable/GCC/MicroBlazeV8/port.c b/FreeRTOS/Source/portable/GCC/MicroBlazeV8/port.c
index 74e206fe14e1f07e5103bd4b3ef9a0e45dc58d6a..83fe8ab9f2aa190c03eb03f21f86590f9068c5a0 100644 (file)
--- a/FreeRTOS/Source/portable/GCC/MicroBlazeV8/port.c
+++ b/FreeRTOS/Source/portable/GCC/MicroBlazeV8/port.c
@@ -89,8 +89,10 @@ the scheduler being commenced interrupts should not be enabled, so the critical
 nesting variable is initialised to a non-zero value. */\r
 #define portINITIAL_NESTING_VALUE      ( 0xff )\r
 \r
-/* The bit within the MSR register that enabled/disables interrupts. */\r
+/* The bit within the MSR register that enabled/disables interrupts and \r
+exceptions respectively. */\r
 #define portMSR_IE                                     ( 0x02U )\r
+#define portMSR_EE                                     ( 0x100U )\r
 \r
 /* If the floating point unit is included in the MicroBlaze build, then the\r
 FSR register is saved as part of the task context.  portINITIAL_FSR is the value\r
@@ -159,7 +161,7 @@ const uint32_t ulR13 = ( uint32_t ) &_SDA_BASE_;
        *pxTopOfStack = ( StackType_t ) 0x00000000;\r
        pxTopOfStack--;\r
 \r
-       #if XPAR_MICROBLAZE_0_USE_FPU != 0\r
+       #if( XPAR_MICROBLAZE_USE_FPU != 0 )\r
                /* The FSR value placed in the initial task context is just 0. */\r
                *pxTopOfStack = portINITIAL_FSR;\r
                pxTopOfStack--;\r
@@ -169,6 +171,14 @@ const uint32_t ulR13 = ( uint32_t ) &_SDA_BASE_;
        disabled.  Each task will enable interrupts automatically when it enters\r
        the running state for the first time. */\r
        *pxTopOfStack = mfmsr() & ~portMSR_IE;\r
+       \r
+       #if( MICROBLAZE_EXCEPTIONS_ENABLED == 1 )\r
+       {\r
+               /* Ensure exceptions are enabled for the task. */\r
+               *pxTopOfStack |= portMSR_EE;\r
+       }\r
+       #endif\r
+\r
        pxTopOfStack--;\r
 \r
        /* First stack an initial value for the critical section nesting.  This\r