delay.h

来自「鼎力推荐！本程序是基于嵌入式LUNUX系统开发的源程序代码」· C头文件 代码 · 共 21 行

#ifndef _CRIS_ARCH_DELAY_H
#define _CRIS_ARCH_DELAY_H

extern __inline__ void __delay(int loops)
{
	__asm__ __volatile__ (
			      "move.d %0,$r9\n\t"
			      "beq 2f\n\t"
			      "subq 1,$r9\n\t"
			      "1:\n\t"
			      "bne 1b\n\t"
			      "subq 1,$r9\n"
			      "2:"
			      : : "g" (loops) : "r9");
}

#endif /* defined(_CRIS_ARCH_DELAY_H) */