Fix: Build enable trace facility (FreeRTOS#890)

* Fix IAR GCC build for Qemu MPS2

* Add removed file

* Add timer function for runtime stats

* Add lexicon entry

.github/workflows/core-checks.yml

@@ -82,4 +82,4 @@ jobs:
       - name: Qemu MPS2 MPU build Cortex M3
         run: cd workspace/FreeRTOS/Demo/CORTEX_MPU_M3_MPS2_QEMU_GCC && make
       - name: Qemu MPS2 IAR build Cortex M3
-        run: cd workspace/FreeRTOS/Demo/CORTEX_MPS2_QEMU_IAR_GCC/build/gcc && sed -i '/configUSE_STATS_FORMATTING_FUNCTIONS/c\#define configUSE_STATS_FORMATTING_FUNCTIONS 0' ../../FreeRTOSConfig.h && make
+        run: cd workspace/FreeRTOS/Demo/CORTEX_MPS2_QEMU_IAR_GCC/build/gcc && make

FreeRTOS/Demo/CORTEX_MPS2_QEMU_IAR_GCC/FreeRTOSConfig.h

@@ -39,6 +39,15 @@
  * See http://www.freertos.org/a00110.html
  *----------------------------------------------------------*/
 
+#define configUSE_TRACE_FACILITY 1
+#define configGENERATE_RUN_TIME_STATS 1
+
+void vConfigureTimerForRunTimeStats( void );
+unsigned long ulGetRunTimeCounterValue( void );
+
+#define portCONFIGURE_TIMER_FOR_RUN_TIME_STATS() vConfigureTimerForRunTimeStats( )
+#define portGET_RUN_TIME_COUNTER_VALUE()         ulGetRunTimeCounterValue()
+
 #define configUSE_TICKLESS_IDLE         0
 #define configUSE_PREEMPTION			1
 #define configUSE_IDLE_HOOK				0
@@ -48,7 +57,6 @@
 #define configMINIMAL_STACK_SIZE		( ( unsigned short ) 80 )
 #define configTOTAL_HEAP_SIZE			( ( size_t ) ( 60 * 1024 ) )
 #define configMAX_TASK_NAME_LEN			( 12 )
-#define configUSE_TRACE_FACILITY		0
 #define configUSE_16_BIT_TICKS			0
 #define configIDLE_SHOULD_YIELD			0
 #define configUSE_MUTEXES				1

FreeRTOS/Demo/CORTEX_MPS2_QEMU_IAR_GCC/main.c

@@ -50,6 +50,8 @@
 #include "FreeRTOS.h"
 #include "task.h"
 
+#include "CMSDK_CM3.h"
+
 /* Standard includes. */
 #include <stdio.h>
 #include <string.h>
@@ -75,6 +77,11 @@ required UART registers. */
 #define UART0_BAUDDIV	( * ( ( ( volatile uint32_t * )( UART0_ADDRESS + 16UL ) ) ) )
 #define TX_BUFFER_MASK	( 1UL )
 
+#define TIMER_POSTSCALER    ( 8UL )
+
+/* Time at start of day (in ns). */
+static volatile unsigned long ulRunTimeOverflowCount = 0U;
+
 /*
  * main_blinky() is used when mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is set to 1.
  * main_full() is used when mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is set to 0.
@@ -307,6 +314,37 @@ void *malloc( size_t size )
 	for( ;; );
 
 }
+/*-----------------------------------------------------------*/
 
+void vConfigureTimerForRunTimeStats( void )
+{
+    /* PCLK / SystemCoreClock is 25MHz, Timer clock is always PCLK */
 
+    CMSDK_TIMER0->CTRL &= ~( CMSDK_TIMER_CTRL_EN_Msk );
+
+    CMSDK_TIMER0->RELOAD = 0xFFFFFFFF;
+
+    /* Enable overflow interrupt and start the timer */
+    CMSDK_TIMER0->CTRL |= CMSDK_TIMER_CTRL_IRQEN_Msk;
+    CMSDK_TIMER0->CTRL |= CMSDK_TIMER_CTRL_EN_Msk;
+
+}
+/*-----------------------------------------------------------*/
+
+unsigned long ulGetRunTimeCounterValue( void )
+{
+    unsigned long ulTimerValue = CMSDK_TIMER0->RELOAD - CMSDK_TIMER0->VALUE;
+
+    /*
+     * 32 bits will overflow after ~ ( 2**32 / 25000000 ) == 171 seconds,
+     * So we remove the lower 8 bits and borrow 8 bits from the overflow counter.
+     */
+
+    ulTimerValue = ( ulTimerValue >> TIMER_POSTSCALER );
+
+    /* Add remaining 8 bits from ulRunTimeOverflowCount */
+    ulTimerValue |= ( ulRunTimeOverflowCount << ( 32UL - TIMER_POSTSCALER ) );
+
+    return ulTimerValue;
+}
 

lexicon.txt

@@ -2923,6 +2923,7 @@ ulreportid
 ulrestartoffset
 ulreturned
 ulrlar
+ulruntimeoverflowcount
 ulsecondnotificationvalueconst
 ulsecondnotifiedconst
 ulsecondnotifiedvalueconst