user: Restore debug usage message for '-d ?' in user mode emulation

[qemu.git] / hw / mc146818rtc.c

diff --git a/hw/mc146818rtc.c b/hw/mc146818rtc.c
index a1b0e31ee547c18922d7483d2fb79d38a2103e13..feb3b25acdbb6b31347dc5ca5c52735047609a38 100644 (file)
--- a/hw/mc146818rtc.c
+++ b/hw/mc146818rtc.c
@@ -99,6 +99,7 @@ typedef struct RTCState {
     QEMUTimer *coalesced_timer;
     QEMUTimer *second_timer;
     QEMUTimer *second_timer2;
+    Notifier clock_reset_notifier;
 } RTCState;
 
 static void rtc_set_time(RTCState *s);
@@ -112,7 +113,7 @@ static void rtc_coalesced_timer_update(RTCState *s)
     } else {
         /* divide each RTC interval to 2 - 8 smaller intervals */
         int c = MIN(s->irq_coalesced, 7) + 1; 
-        int64_t next_clock = qemu_get_clock(rtc_clock) +
+        int64_t next_clock = qemu_get_clock_ns(rtc_clock) +
             muldiv64(s->period / c, get_ticks_per_sec(), 32768);
         qemu_mod_timer(s->coalesced_timer, next_clock);
     }
@@ -234,7 +235,7 @@ static void cmos_ioport_write(void *opaque, uint32_t addr, uint32_t data)
             /* UIP bit is read only */
             s->cmos_data[RTC_REG_A] = (data & ~REG_A_UIP) |
                 (s->cmos_data[RTC_REG_A] & REG_A_UIP);
-            rtc_timer_update(s, qemu_get_clock(rtc_clock));
+            rtc_timer_update(s, qemu_get_clock_ns(rtc_clock));
             break;
         case RTC_REG_B:
             if (data & REG_B_SET) {
@@ -256,7 +257,7 @@ static void cmos_ioport_write(void *opaque, uint32_t addr, uint32_t data)
             } else {
                 s->cmos_data[RTC_REG_B] = data;
             }
-            rtc_timer_update(s, qemu_get_clock(rtc_clock));
+            rtc_timer_update(s, qemu_get_clock_ns(rtc_clock));
             break;
         case RTC_REG_C:
         case RTC_REG_D:
@@ -572,6 +573,22 @@ static const VMStateDescription vmstate_rtc = {
     }
 };
 
+static void rtc_notify_clock_reset(Notifier *notifier, void *data)
+{
+    RTCState *s = container_of(notifier, RTCState, clock_reset_notifier);
+    int64_t now = *(int64_t *)data;
+
+    rtc_set_date_from_host(&s->dev);
+    s->next_second_time = now + (get_ticks_per_sec() * 99) / 100;
+    qemu_mod_timer(s->second_timer2, s->next_second_time);
+    rtc_timer_update(s, now);
+#ifdef TARGET_I386
+    if (rtc_td_hack) {
+        rtc_coalesced_timer_update(s);
+    }
+#endif
+}
+
 static void rtc_reset(void *opaque)
 {
     RTCState *s = opaque;
@@ -599,17 +616,20 @@ static int rtc_initfn(ISADevice *dev)
 
     rtc_set_date_from_host(dev);
 
-    s->periodic_timer = qemu_new_timer(rtc_clock, rtc_periodic_timer, s);
+    s->periodic_timer = qemu_new_timer_ns(rtc_clock, rtc_periodic_timer, s);
 #ifdef TARGET_I386
     if (rtc_td_hack)
         s->coalesced_timer =
-            qemu_new_timer(rtc_clock, rtc_coalesced_timer, s);
+            qemu_new_timer_ns(rtc_clock, rtc_coalesced_timer, s);
 #endif
-    s->second_timer = qemu_new_timer(rtc_clock, rtc_update_second, s);
-    s->second_timer2 = qemu_new_timer(rtc_clock, rtc_update_second2, s);
+    s->second_timer = qemu_new_timer_ns(rtc_clock, rtc_update_second, s);
+    s->second_timer2 = qemu_new_timer_ns(rtc_clock, rtc_update_second2, s);
+
+    s->clock_reset_notifier.notify = rtc_notify_clock_reset;
+    qemu_register_clock_reset_notifier(rtc_clock, &s->clock_reset_notifier);
 
     s->next_second_time =
-        qemu_get_clock(rtc_clock) + (get_ticks_per_sec() * 99) / 100;
+        qemu_get_clock_ns(rtc_clock) + (get_ticks_per_sec() * 99) / 100;
     qemu_mod_timer(s->second_timer2, s->next_second_time);
 
     register_ioport_write(base, 2, 1, cmos_ioport_write, s);