make kernel includes standard
[unix-history] / usr / src / sys / i386 / isa / rtc.h
/*-
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* William Jolitz.
*
* %sccs.include.redist.c%
*
* @(#)rtc.h 7.1 (Berkeley) %G%
*/
/*
* RTC Register locations
*/
#define RTC_SEC 0x00 /* seconds */
#define RTC_SECALRM 0x01 /* seconds alarm */
#define RTC_MIN 0x02 /* minutes */
#define RTC_MINALRM 0x03 /* minutes alarm */
#define RTC_HRS 0x04 /* hours */
#define RTC_HRSALRM 0x05 /* hours alarm */
#define RTC_WDAY 0x06 /* week day */
#define RTC_DAY 0x07 /* day of month */
#define RTC_MONTH 0x08 /* month of year */
#define RTC_YEAR 0x09 /* month of year */
#define RTC_STATUSA 0x0a /* status register A */
#define RTCSA_TUP 0x80 /* time update, don't look now */
#define RTC_STATUSB 0x0b /* status register B */
#define RTC_INTR 0x0c /* status register C (R) interrupt source */
#define RTCIR_UPDATE 0x10 /* update intr */
#define RTCIR_ALARM 0x20 /* alarm intr */
#define RTCIR_PERIOD 0x40 /* periodic intr */
#define RTCIR_INT 0x80 /* interrupt output signal */
#define RTC_STATUSD 0x0d /* status register D (R) Lost Power */
#define RTCSD_PWR 0x80 /* clock lost power */
#define RTC_DIAG 0x0e /* status register E - bios diagnostic */
#define RTCDG_BITS "\020\010clock_battery\007ROM_cksum\006config_unit\005memory_size\004fixed_disk\003invalid_time"
#define RTC_RESET 0x0f /* status register F - reset code byte */
#define RTCRS_RST 0x00 /* normal reset */
#define RTCRS_LOAD 0x04 /* load system */
#define RTC_BASELO 0x15 /* low byte of basemem size */
#define RTC_BASEHI 0x16 /* high byte of basemem size */
#define RTC_EXTLO 0x17 /* low byte of extended mem size */
#define RTC_EXTHI 0x18 /* low byte of extended mem size */
#define RTC_CENTURY 0x32 /* current century - please increment in Dec99*/