main.c

来自「from [e-mail] 电路原理图和详细说明： am」· C语言 代码 · 共 37 行

extern void AT91F_DBGU_Printk(char *);

extern char _stext,_etext,_sdata,_edata;

#define BOOT_VERSION	"boot 1.0"

#define SRC 0x10001000
#define DST 0x20700000 //this is u-boot address by wkj 20070611
#define LEN 0x01F000

void boot() {
  int i;
  char* ptr=(char*)DST;
  for(i=0;i<LEN;i++) ptr[i]=0;
  AT91F_DBGU_Printk ("\n\n\[e-mail]" BOOT_VERSION" (" __DATE__ " - " __TIME__ ")\n\r");
  char* src=(char*)SRC;
  char* dst=(char*)DST;
#ifdef DEBUG
  AT91F_DBGU_Printk("\n\rCopy image start\n\r");
#endif
  for(i=0;i<LEN;i++)
  {
       dst[i]=src[i];
       if ((i&0xfff)==0xff) 
               AT91F_DBGU_Printk(".");
  }
#ifdef DEBUG
  AT91F_DBGU_Printk("\n\rCopy image end...\n\n\r");
#endif
	
  asm("mov pc,%0" : : "r" (DST));
};

void recover(char* s) {
  for(;;);
};