cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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mc146818rtc.h (882B)


      1/*
      2 * This file is subject to the terms and conditions of the GNU General Public
      3 * License.  See the file "COPYING" in the main directory of this archive
      4 * for more details.
      5 *
      6 * Copyright (C) 1998, 2001, 03 by Ralf Baechle
      7 *
      8 * RTC routines for PC style attached Dallas chip.
      9 */
     10#ifndef __ASM_MACH_GENERIC_MC146818RTC_H
     11#define __ASM_MACH_GENERIC_MC146818RTC_H
     12
     13#include <asm/io.h>
     14
     15#define RTC_PORT(x)	(0x70 + (x))
     16#define RTC_IRQ		8
     17
     18static inline unsigned char CMOS_READ(unsigned long addr)
     19{
     20	outb_p(addr, RTC_PORT(0));
     21	return inb_p(RTC_PORT(1));
     22}
     23
     24static inline void CMOS_WRITE(unsigned char data, unsigned long addr)
     25{
     26	outb_p(addr, RTC_PORT(0));
     27	outb_p(data, RTC_PORT(1));
     28}
     29
     30#define RTC_ALWAYS_BCD	0
     31
     32#ifndef mc146818_decode_year
     33#define mc146818_decode_year(year) ((year) < 70 ? (year) + 2000 : (year) + 1900)
     34#endif
     35
     36#endif /* __ASM_MACH_GENERIC_MC146818RTC_H */