crt0.c

来自「基于单片机的SIM卡类CPU卡读写器源代码」· C语言 代码 · 共 28 行

extern char _etext;
extern char _data;
extern char _edata;
extern char _start_bss;
extern char _end;
extern long * Ex218_Func_Array;

extern void main(void);

#pragma noprolog

_start()
{
	register char *ptrDes = &_data;
	register char *ptrSrc = &_etext;
	while( ptrDes < &_edata )
	{
		*ptrDes++ = *ptrSrc++;
	}
	ptrDes = &_start_bss;
	while( ptrDes < &_end )
	{
		*ptrDes++ = 0;
	}
//	Ex218_Func_Array = *((long *)0x5000C);
	main();
}