exception.c

来自「三星2443芯片」· C语言 代码 · 共 50 行

#include "System.h"

//===================================================================
void HaltUndef(void)
{
	printf("Undefined instruction exception.\n");
	while(1);
}

//===================================================================
void HaltSwi(void)
{
	printf("SWI exception.\n");
	while(1);
}

//===================================================================
void HaltPabort(void)
{
	printf("IFSR=0x%x\n",MMU_ReadIFSR());
	printf("FAR=0x%x\n",MMU_ReadFAR());
	printf("Pabort exception.\n");
	while(1);
}

//===================================================================
void HaltDabort(void)
{
	printf("DFSR=0x%x\n",MMU_ReadDFSR());
	printf("FAR=0x%x\n",MMU_ReadFAR());
	printf("Dabort exception.\n");
	while(1);
}


void Isr_Init(void)
{
    pISR_UNDEF	= (unsigned)HaltUndef;
    pISR_SWI  	= (unsigned)HaltSwi;
    pISR_PABORT	= (unsigned)HaltPabort;
    pISR_DABORT	= (unsigned)HaltDabort;
	pISR_IRQ	= (unsigned)IsrIRQ;

    rINTMOD	= 0x0;	  // All=IRQ mode
    rINTMSK	= BIT_ALLMSK;	  // All interrupt is masked.

	CLR_IF();
}