main.c

来自「针对华清远见的FS9200（其内核为at91rm9200）的一个测试程序」· C语言 代码 · 共 73 行

#include "main.h"

typedef	unsigned int U32;
typedef	unsigned short U16;
typedef	unsigned char U8;

#define	_ISR_STARTADDRESS	0x21ffff00
#define	pISR_RESET     *(U32 *)(_ISR_STARTADDRESS+0x0)
#define	pISR_UNDEF     *(U32 *)(_ISR_STARTADDRESS+0x4)
#define	pISR_SWI       *(U32 *)(_ISR_STARTADDRESS+0x8)
#define	pISR_PABORT    *(U32 *)(_ISR_STARTADDRESS+0xc)
#define	pISR_DABORT    *(U32 *)(_ISR_STARTADDRESS+0x10)
#define	pISR_RESERVED  *(U32 *)(_ISR_STARTADDRESS+0x14)
#define	pISR_IRQ       *(U32 *)(_ISR_STARTADDRESS+0x18)
#define	pISR_FIQ       *(U32 *)(_ISR_STARTADDRESS+0x1c)


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

void HaltSwi(void)
{
    printf("SWI exception!!!\n");
    while(1);
}

void HaltPabort(void)
{
    printf("Pabort exception!!!\n");
    while(1);
}

void HaltDabort(void)
{
    printf("Dabort exception!!!\n");
    while(1);
}

void HaltIrq(void)
{
	printf("Irq happen!!!\n");
	while(1);
}

void HaltFiq(void)
{
	printf("Fiq happen!!!\n");
	while(1);
}


void Isr_Init(void)
{
    pISR_UNDEF  = (U32)HaltUndef;
    pISR_SWI    = (U32)HaltSwi;
    pISR_PABORT = (U32)HaltPabort;
    pISR_DABORT = (U32)HaltDabort;
    pISR_IRQ = (U32)HaltIrq;
    pISR_FIQ = (U32)HaltFiq;
}


int main(void)
{
	Isr_Init();
	puts(__DATE__);
	while(1) {
		putch('a');
	}
}