exception.c

来自「samsung 2410 demo源代码」· C语言 代码 · 共 55 行

#include "stdio.h"
#include "2413addr.h"
#include "MMUCache.h"
#include "Console.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.
	rINTSUBMSK=BIT_SUB_ALLMSK;
    rINTPND=rINTPND;
    rSRCPND=rSRCPND;
	
	CLR_IF();
}