date and time created 82/11/09 11:27:11 by sam

[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 f734d0c..b204953 100644 (file)
--- a/usr/src/sys/vax/include/clock.h
+++ b/usr/src/sys/vax/include/clock.h
@@ -1,4 +1,4 @@
-/*     clock.h 4.5     81/02/23        */
+/*     clock.h 4.8     82/10/31        */

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


@@ -23,17 +23,11 @@
 #define        LEAPYEAR(year)  ((year)%4==0)   /* good till time becomes negative */
 
 /*
 #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
+ * Software clock is software interrupt level 8,
+ * implemented as mtpr(SIRR, 0x8) in asm.sed.

  */
  */

-#define        setsoftclock()  mtpr(SIRR, 0x8)