Changeset 9088 in vbox for trunk/src/VBox

Timestamp:

May 23, 2008 2:13:13 PM (17 years ago)

Author:

vboxsync

Message:

Corrected the delay for the 2nd timer that clears UIP (among others thing) from 10ms to 244140ns. Hopefully this will help with the #2890 issue.

File:

• trunk/src/VBox/Devices/PC/DevRTC.cpp (modified) (4 diffs)

trunk/src/VBox/Devices/PC/DevRTC.cpp

@@ -105 +105 @@
 
 /** @todo Replace struct my_tm with RTTIME. */
-struct my_tm 
+struct my_tm
 {
     int32_t tm_sec;
@@ -235 +235 @@
                 s->cmos_data[RTC_REG_A] &= ~REG_A_UIP;
 #if 0 /* This is probably wrong as it breaks changing the time/date in OS/2. */
-                data &= ~REG_B_UIE; 
-#endif 
+                data &= ~REG_B_UIE;
+#endif
             } else {
                 /* if disabling set mode, update the time */
@@ -383 +383 @@
             s->cmos_data[RTC_REG_A] |= REG_A_UIP;
         }
+#if 0 /* old: winds up waiting for 10ms... */
         /* should be 244 us = 8 / 32768 seconds, but currently the
            timers do not have the necessary resolution. */
@@ -388 +389 @@
         if (delay < 1)
             delay = 1;
+#else
+        /* 244140 ns = 8 / 32768 seconds */
+        delay = TMTimerFromNano(s->CTXSUFF(pSecondTimer2), 244140);
+#endif
         TMTimerSet(s->CTXSUFF(pSecondTimer2), s->next_second_time + delay);
     }