Changeset 16158 in vbox for trunk/src

Timestamp:

Jan 22, 2009 10:21:12 AM (16 years ago)

Author:

vboxsync

Message:

reapplied PIT fix from 41876

File:

• trunk/src/VBox/Devices/PC/DevPit-i8254.cpp (modified) (3 diffs)

trunk/src/VBox/Devices/PC/DevPit-i8254.cpp

@@ -178 +178 @@
     {
         if (s->u64NextTS == UINT64_MAX)
-            return 1; /** @todo check this value. */
+        {
+            d = ASMMultU64ByU32DivByU32(TMTimerGet(pTimer) - s->count_load_time, PIT_FREQ, TMTimerGetFreq(pTimer));
+            return s->count - (d % s->count); /** @todo check this value. */
+        }
         d = TMTimerGet(pTimer);
         d = ASMMultU64ByU32DivByU32(d - s->u64ReloadTS, s->count, s->u64NextTS - s->u64ReloadTS);
         if (d >= s->count)
             return 1;
-        return s->count - d;
+        return  s->count - d;
     }
     d = ASMMultU64ByU32DivByU32(TMTimerGet(pTimer) - s->count_load_time, PIT_FREQ, TMTimerGetFreq(pTimer));
@@ -866 +869 @@
         s->bcd = 0;
 #endif
+        s->u64NextTS = UINT64_MAX;
         s->cRelLogEntries = 0;
         s->mode = 3;
@@ -1102 +1106 @@
 #endif /* IN_RING3 */
 #endif /* !VBOX_DEVICE_STRUCT_TESTCASE */
-