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This is a reduced version of FreeRTOSV6.1.1. This file describes the alterations being made.
All the demos have been removed.
Almost all the ports have been removed, except the following:
ARM-CM3
ARM-CM3-MPU
The following modifications have been made:
-) Introducing the newlib's reent system into task.c
-) Fixing heap_3.c to add missing calls
--- tasks.c 2011-01-14 20:14:24.000000000 -0800
+++ tasks.c 2011-01-22 22:33:27.000000000 -0800
@@ -114,6 +114,10 @@
unsigned long ulRunTimeCounter; /*< Used for calculating how much CPU time each task is utilising. */
#endif
+ #if ( configUSE_NEWLIB_REENTRANT == 1 )
+ struct _reent reent;
+ #endif
+
} tskTCB;
@@ -1635,6 +1639,10 @@
same priority get an equal share of the processor time. */
listGET_OWNER_OF_NEXT_ENTRY( pxCurrentTCB, &( pxReadyTasksLists[ uxTopReadyPriority ] ) );
+ #if ( configUSE_NEWLIB_REENTRANT == 1 )
+ _impure_ptr = &(pxCurrentTCB->reent);
+ #endif
+
traceTASK_SWITCHED_IN();
vWriteTraceToBuffer();
}
@@ -1952,6 +1960,10 @@
( void ) usStackDepth;
}
#endif
+
+ #if ( configUSE_NEWLIB_REENTRANT == 1 )
+ _REENT_INIT_PTR((&(pxTCB->reent)));
+ #endif
}
/*-----------------------------------------------------------*/
--- heap_3.c 2011-01-14 20:14:24.000000000 -0800
+++ heap_3.c 2011-01-22 23:44:03.000000000 -0800
@@ -99,6 +99,7 @@
return pvReturn;
}
+
/*-----------------------------------------------------------*/
void vPortFree( void *pv )
@@ -113,5 +114,18 @@
}
}
+/*-----------------------------------------------------------*/
+
+void vPortInitialiseBlocks( void )
+{
+ /* Not necessary */
+}
+
+/*-----------------------------------------------------------*/
+
+size_t xPortGetFreeHeapSize( void )
+{
+ return 0; /* Not necessary anyway */
+}
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