C++程序  |  27行  |  1.01 KB

/****************************************************************************
 ****************************************************************************
 ***
 ***   This header was automatically generated from a Linux kernel header
 ***   of the same name, to make information necessary for userspace to
 ***   call into the kernel available to libc.  It contains only constants,
 ***   structures, and macros generated from the original header, and thus,
 ***   contains no copyrightable information.
 ***
 ****************************************************************************
 ****************************************************************************/
#ifndef _ASM_MC146818RTC_H
#define _ASM_MC146818RTC_H

#include <asm/arch/irqs.h>
#include <asm/io.h>

#ifndef RTC_PORT
#define RTC_PORT(x) (0x70 + (x))
#define RTC_ALWAYS_BCD 1  
#endif

#define CMOS_READ(addr) ({  outb_p((addr),RTC_PORT(0));  inb_p(RTC_PORT(1));  })
#define CMOS_WRITE(val, addr) ({  outb_p((addr),RTC_PORT(0));  outb_p((val),RTC_PORT(1));  })

#endif