int8: char -> signed char

[unix-history] / usr / src / sys / vax / include / clock.h

diff --git a/usr/src/sys/vax/include/clock.h b/usr/src/sys/vax/include/clock.h
index 3ace4d2..91ab0ed 100644 (file)
--- a/usr/src/sys/vax/include/clock.h
+++ b/usr/src/sys/vax/include/clock.h
@@ -1,14 +1,21 @@
-/*     clock.h 3.3     %G%     */
+/*-
+ * Copyright (c) 1982, 1986 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * %sccs.include.proprietary.c%
+ *
+ *     @(#)clock.h     7.3 (Berkeley) %G%
+ */

 
 /*
  * VAX clock registers
  */
 
 
 /*
  * VAX clock registers
  */
 

-#define        ICCS_RUN        0x1
-#define        ICCS_TRANS      0x10
-#define        ICCS_SS         0x20
-#define        ICCS_IE         0x40
-#define        ICCS_INT        0x80
+#define        ICCS_RUN        0x00000001
+#define        ICCS_TRANS      0x00000010
+#define        ICCS_SS         0x00000020
+#define        ICCS_IE         0x00000040
+#define        ICCS_INT        0x00000080

 #define        ICCS_ERR        0x80000000
        
 #define        SECDAY          ((unsigned)(24*60*60))          /* seconds per day */
 #define        ICCS_ERR        0x80000000
        
 #define        SECDAY          ((unsigned)(24*60*60))          /* seconds per day */


@@ -20,15 +27,39 @@
 #define        TODRZERO        ((unsigned)(1<<28))
 
 #define        YRREF           1970
 #define        TODRZERO        ((unsigned)(1<<28))
 
 #define        YRREF           1970

-#define        LEAPYEAR(year)  ((year)%4==0 && year != 2000)   /* good till 2100 */
+#define        LEAPYEAR(year)  ((year)%4==0)   /* good till time becomes negative */

 
 /*
 
 /*

- * Start a 60 HZ clock.
+ * Has the time-of-day clock wrapped around?

  */
  */

-#define        clkstart() {\
-       mtpr(NICR, -16667);     /* 16.667 milli-seconds */\
-       mtpr(ICCS, ICCS_RUN+ICCS_IE+ICCS_TRANS+ICCS_INT+ICCS_ERR);\
-}
-#define        clkreld()       mtpr(ICCS, ICCS_RUN+ICCS_IE+ICCS_INT+ICCS_ERR)
-

 #define        clkwrap()       (((unsigned)mfpr(TODR) - TODRZERO)/100 > SECYR+SECDAY)
 #define        clkwrap()       (((unsigned)mfpr(TODR) - TODRZERO)/100 > SECYR+SECDAY)

+
+/*
+ * Software clock is software interrupt level 8,
+ * implemented as mtpr(SIRR, 0x8) in asm.sed.
+ */
+
+#ifndef LOCORE
+/*
+ * 8200s and 630s have a clock chip like those found in digital alarm
+ * clocks and watches.  Converting this to and from system times is
+ * painful, so we do it in only one place.  The routine chiptotime()
+ * converts a chiptime to the right value for time.tv_sec, and
+ * timetochip converts time.tv_sec back.
+ */
+struct chiptime {
+       int     sec;
+       int     min;
+       int     hour;
+       int     day;
+       int     mon;
+       int     year;
+};
+
+/*
+ * Clock read routine return values.
+ */
+#define        CLKREAD_OK      0       /* success, time.tv_sec set */
+#define        CLKREAD_WARN    1       /* clock appears wrong but time set anyway */
+#define        CLKREAD_BAD     2       /* clock is bad, no time available */
+#endif