hardware.h

来自「基于ARM9 三星s3c2440的Uboot」· C头文件 代码 · 共 23 行

#ifndef _ARCH_HARDWARE_H_
#define _ARCH_HARDWARE_H_
	
#ifndef __ASSEMBLY__

#define __REG(x)	(*(volatile unsigned long *)(x))
#define __REGl(x)	(*(volatile unsigned long *)(x))
#define __REGw(x)	(*(volatile unsigned short *)(x))
#define __REGb(x)	(*(volatile unsigned char *)(x))
#define __REG2(x,y)	(*(volatile unsigned long *)((x) + (y)))

#else

#define __REG(x)	(x)
#define __REGl(x)	(x)
#define __REGw(x)	(*(volatile unsigned short *)(x))
#define __REGb(x)	(*(volatile unsigned char *)(x))
#define __REG2(x,y)	((x) + (y))

#endif

#endif /* _ARCH_HARDWARE_H_ */