Continue ColdeFire/CodeWarrior development.

Demo/ColdFire_MCF52221_CodeWarrior/lcf/MCF52221_INTERNAL_FLASH.lcf

@@ -8,15 +8,15 @@ MEMORY {
    vectorrom   (RX)  : ORIGIN = 0x00000000, LENGTH = 0x00000400
    cfmprotrom  (RX)  : ORIGIN = 0x00000400, LENGTH = 0x00000020   
    code        (RX)  : ORIGIN = 0x00000500, LENGTH = 0x0001FB00
-   vectorram   (RWX) : ORIGIN = 0x20000000, LENGTH = 0x00000400
    userram     (RWX) : ORIGIN = 0x20000400, LENGTH = 0x00003C00
 }
 
 SECTIONS {
 
 # Heap and Stack sizes definition
-	___heap_size	  = 0x1000;
+	___heap_size	  = 0x4;
-	___stack_size     = 0x1000;
+	___stack_size     = 0x200;
+	
 
 
 
@@ -39,7 +39,6 @@ SECTIONS {
    
   .userram	  : {} > userram		
   .code	    : {} > code		
-  .vectorram	: {} > vectorram			
 	
 	.vectors :
 	{
@@ -121,7 +120,7 @@ SECTIONS {
 		. = ALIGN (0x4);
 	} >> userram
   	
-	___VECTOR_RAM		= ADDR(.vectorram);
+#	___VECTOR_RAM		= ADDR(.vectorram);
 	
 	__SP_INIT		= ___SP_INIT;
 

Demo/ColdFire_MCF52221_CodeWarrior/sources/FreeRTOSConfig.h

@@ -70,7 +70,7 @@
 #define configCPU_CLOCK_HZ				( ( unsigned portLONG ) 80000000 )
 #define configTICK_RATE_HZ				( ( portTickType ) 100 )
 #define configMINIMAL_STACK_SIZE		( ( unsigned portSHORT ) 160 )
-#define configTOTAL_HEAP_SIZE			( ( size_t ) ( 0 ) ) /* The heap size is worked out from the linker script, so this constant is not used. */
+#define configTOTAL_HEAP_SIZE			( ( size_t ) ( 10 * 1024 ) ) /* The heap size is worked out from the linker script, so this constant is not used. */
 #define configMAX_TASK_NAME_LEN			( 12 )
 #define configUSE_TRACE_FACILITY		1
 #define configUSE_16_BIT_TICKS			0

Demo/ColdFire_MCF52221_CodeWarrior/sources/exceptions.c

@@ -10,8 +10,10 @@
 
 #define REGISTER_ABI __REGABI__
 
-extern __declspec(system) unsigned long __VECTOR_RAM[];
+
-#define VECTOR_RAM_ADDRESS    (uint32)__VECTOR_RAM
+extern void vPIT0InterruptHandler( void );
+extern void vPortYieldISR( void );
+extern void vFECISRHandler( void );
 
 /***********************************************************************/
 /*
@@ -402,7 +404,7 @@ __declspec(vectortable) vectorTableEntryType _vect[256] = {   /* Interrupt vecto
    asm_exception_handler,           /*  77 (0x134) Device-specific interrupts */
    asm_exception_handler,           /*  78 (0x138) Device-specific interrupts */
    asm_exception_handler,           /*  79 (0x13C) Device-specific interrupts */
-   asm_exception_handler,           /*  80 (0x140) Device-specific interrupts */
+   vPortYieldISR,           		/*  80 (0x140) Device-specific interrupts */
    asm_exception_handler,           /*  81 (0x144) Device-specific interrupts */
    asm_exception_handler,           /*  82 (0x148) Device-specific interrupts */
    asm_exception_handler,           /*  83 (0x14C) Device-specific interrupts */
@@ -441,7 +443,7 @@ __declspec(vectortable) vectorTableEntryType _vect[256] = {   /* Interrupt vecto
    asm_exception_handler,           /* 116 (0x___) Reserved                   */
    asm_exception_handler,           /* 117 (0x___) Reserved                   */
    asm_exception_handler,           /* 118 (0x___) Reserved                   */
-   asm_exception_handler,           /* 119 (0x___) Reserved                   */
+   vPIT0InterruptHandler,           /* 119 (0x___) Reserved                   */
    asm_exception_handler,           /* 120 (0x___) Reserved                   */
    asm_exception_handler,           /* 121 (0x___) Reserved                   */
    asm_exception_handler,           /* 122 (0x___) Reserved                   */
@@ -604,6 +606,7 @@ asm void mcf5xxx_wr_vbr(unsigned long) { /* Set VBR */
  */ 
 void initialize_exceptions(void)
 {
+#if 0
 	/*
 	 * Memory map definitions from linker command files used by mcf5xxx_startup
 	 */
@@ -619,6 +622,9 @@ void initialize_exceptions(void)
 			__VECTOR_RAM[n] = (unsigned long)_vect[n];
 	}
 	mcf5xxx_wr_vbr((unsigned long)__VECTOR_RAM);
+#endif
+
+	mcf5xxx_wr_vbr((unsigned long)_vect);
 }
 
 #ifdef __cplusplus