projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| af359dea C |
1 | /*- |
| 2 | * Copyright (c) 1990 The Regents of the University of California. | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * This code is derived from software contributed to Berkeley by | |
| 6 | * William Jolitz. | |
| 7 | * | |
| 8 | * Redistribution and use in source and binary forms, with or without | |
| 9 | * modification, are permitted provided that the following conditions | |
| 10 | * are met: | |
| 11 | * 1. Redistributions of source code must retain the above copyright | |
| 12 | * notice, this list of conditions and the following disclaimer. | |
| 13 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 14 | * notice, this list of conditions and the following disclaimer in the | |
| 15 | * documentation and/or other materials provided with the distribution. | |
| 16 | * 3. All advertising materials mentioning features or use of this software | |
| 17 | * must display the following acknowledgement: | |
| 18 | * This product includes software developed by the University of | |
| 19 | * California, Berkeley and its contributors. | |
| 20 | * 4. Neither the name of the University nor the names of its contributors | |
| 21 | * may be used to endorse or promote products derived from this software | |
| 22 | * without specific prior written permission. | |
| 23 | * | |
| 24 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 25 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 27 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 30 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 31 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 32 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 33 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 34 | * SUCH DAMAGE. | |
| 35 | * | |
| 36 | * @(#)rtc.h 7.1 (Berkeley) 5/12/91 | |
| 37 | */ | |
| 38 | ||
| a1810a6d | 39 | /* |
| a1810a6d BJ |
40 | * RTC Register locations |
| 41 | */ | |
| 42 | ||
| 43 | #define RTC_SEC 0x00 /* seconds */ | |
| 44 | #define RTC_SECALRM 0x01 /* seconds alarm */ | |
| 45 | #define RTC_MIN 0x02 /* minutes */ | |
| 46 | #define RTC_MINALRM 0x03 /* minutes alarm */ | |
| 47 | #define RTC_HRS 0x04 /* hours */ | |
| 48 | #define RTC_HRSALRM 0x05 /* hours alarm */ | |
| 49 | #define RTC_WDAY 0x06 /* week day */ | |
| 50 | #define RTC_DAY 0x07 /* day of month */ | |
| 51 | #define RTC_MONTH 0x08 /* month of year */ | |
| 52 | #define RTC_YEAR 0x09 /* month of year */ | |
| 53 | #define RTC_STATUSA 0x0a /* status register A */ | |
| af359dea C |
54 | #define RTCSA_TUP 0x80 /* time update, don't look now */ |
| 55 | ||
| 56 | #define RTC_STATUSB 0x0b /* status register B */ | |
| 57 | ||
| 58 | #define RTC_INTR 0x0c /* status register C (R) interrupt source */ | |
| 59 | #define RTCIR_UPDATE 0x10 /* update intr */ | |
| 60 | #define RTCIR_ALARM 0x20 /* alarm intr */ | |
| 61 | #define RTCIR_PERIOD 0x40 /* periodic intr */ | |
| 62 | #define RTCIR_INT 0x80 /* interrupt output signal */ | |
| 63 | ||
| 64 | #define RTC_STATUSD 0x0d /* status register D (R) Lost Power */ | |
| 65 | #define RTCSD_PWR 0x80 /* clock lost power */ | |
| 66 | ||
| 67 | #define RTC_DIAG 0x0e /* status register E - bios diagnostic */ | |
| 68 | #define RTCDG_BITS "\020\010clock_battery\007ROM_cksum\006config_unit\005memory_size\004fixed_disk\003invalid_time" | |
| 69 | ||
| 70 | #define RTC_RESET 0x0f /* status register F - reset code byte */ | |
| 71 | #define RTCRS_RST 0x00 /* normal reset */ | |
| 72 | #define RTCRS_LOAD 0x04 /* load system */ | |
| a1810a6d BJ |
73 | |
| 74 | #define RTC_BASELO 0x15 /* low byte of basemem size */ | |
| 75 | #define RTC_BASEHI 0x16 /* high byte of basemem size */ | |
| 76 | #define RTC_EXTLO 0x17 /* low byte of extended mem size */ | |
| 77 | #define RTC_EXTHI 0x18 /* low byte of extended mem size */ | |
| af359dea C |
78 | |
| 79 | #define RTC_CENTURY 0x32 /* current century - please increment in Dec99*/ |