BSD 4_3_Net_2 release

[unix-history] / usr / src / sys / i386 / isa / rtc.h

diff --git a/usr/src/sys/i386/isa/rtc.h b/usr/src/sys/i386/isa/rtc.h
index f6c6c46..0276edb 100644 (file)
--- a/usr/src/sys/i386/isa/rtc.h
+++ b/usr/src/sys/i386/isa/rtc.h
@@ -1,5 +1,42 @@
+/*-
+ * 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.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *     This product includes software developed by the University of
+ *     California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *     @(#)rtc.h       7.1 (Berkeley) 5/12/91
+ */
+

 /*
 /*

- * @(#)rtc.h   1.1 (Berkeley) %G%

  * RTC Register locations
  */
 
  * RTC Register locations
  */
 


@@ -14,8 +51,29 @@
 #define RTC_MONTH      0x08    /* month of year */
 #define RTC_YEAR       0x09    /* month of year */
 #define RTC_STATUSA    0x0a    /* status register A */
 #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_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*/