delay.h

来自「linux2.6.16版本」· C头文件 代码 · 共 19 行

#ifndef _ASM_CRIS_ARCH_DELAY_H
#define _ASM_CRIS_ARCH_DELAY_H

static 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 /* _ASM_CRIS_ARCH_DELAY_H */