diff --git a/arch_init.c b/arch_init.c
index 68a7ab7..2eaa286 100644
--- a/arch_init.c
+++ b/arch_init.c
@@ -392,7 +392,7 @@
     }
 
     if (!start_time) {
-        start_time = qemu_get_clock_ms(rt_clock);
+        start_time = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
     }
 
     trace_migration_bitmap_sync_start();
@@ -410,7 +410,7 @@
     trace_migration_bitmap_sync_end(migration_dirty_pages
                                     - num_dirty_pages_init);
     num_dirty_pages_period += migration_dirty_pages - num_dirty_pages_init;
-    end_time = qemu_get_clock_ms(rt_clock);
+    end_time = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
 
     /* more than 1 second = 1000 millisecons */
     if (end_time > start_time + 1000) {
@@ -672,7 +672,7 @@
 
     ram_control_before_iterate(f, RAM_CONTROL_ROUND);
 
-    t0 = qemu_get_clock_ns(rt_clock);
+    t0 = qemu_clock_get_ns(QEMU_CLOCK_REALTIME);
     i = 0;
     while ((ret = qemu_file_rate_limit(f)) == 0) {
         int bytes_sent;
@@ -691,7 +691,7 @@
            iterations
         */
         if ((i & 63) == 0) {
-            uint64_t t1 = (qemu_get_clock_ns(rt_clock) - t0) / 1000000;
+            uint64_t t1 = (qemu_clock_get_ns(QEMU_CLOCK_REALTIME) - t0) / 1000000;
             if (t1 > MAX_WAIT) {
                 DPRINTF("big wait: %" PRIu64 " milliseconds, %d iterations\n",
                         t1, i);
@@ -1217,11 +1217,11 @@
     }
 
     if (!t0)  {
-        t0 = qemu_get_clock_ns(rt_clock);
+        t0 = qemu_clock_get_ns(QEMU_CLOCK_REALTIME);
         return;
     }
 
-    t1 = qemu_get_clock_ns(rt_clock);
+    t1 = qemu_clock_get_ns(QEMU_CLOCK_REALTIME);
 
     /* If it has been more than 40 ms since the last time the guest
      * was throttled then do it again.
diff --git a/audio/audio.c b/audio/audio.c
index 02bb886..af4cdf6 100644
--- a/audio/audio.c
+++ b/audio/audio.c
@@ -1124,10 +1124,10 @@
 static void audio_reset_timer (AudioState *s)
 {
     if (audio_is_timer_needed ()) {
-        qemu_mod_timer (s->ts, qemu_get_clock_ns (vm_clock) + 1);
+        timer_mod (s->ts, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 1);
     }
     else {
-        qemu_del_timer (s->ts);
+        timer_del (s->ts);
     }
 }
 
@@ -1834,7 +1834,7 @@
     QLIST_INIT (&s->cap_head);
     atexit (audio_atexit);
 
-    s->ts = qemu_new_timer_ns (vm_clock, audio_timer, s);
+    s->ts = timer_new_ns(QEMU_CLOCK_VIRTUAL, audio_timer, s);
     if (!s->ts) {
         hw_error("Could not create audio timer\n");
     }
diff --git a/audio/noaudio.c b/audio/noaudio.c
index 9f23aa2..cb38662 100644
--- a/audio/noaudio.c
+++ b/audio/noaudio.c
@@ -46,7 +46,7 @@
     int64_t ticks;
     int64_t bytes;
 
-    now = qemu_get_clock_ns (vm_clock);
+    now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
     ticks = now - no->old_ticks;
     bytes = muldiv64 (ticks, hw->info.bytes_per_second, get_ticks_per_sec ());
     bytes = audio_MIN (bytes, INT_MAX);
@@ -102,7 +102,7 @@
     int samples = 0;
 
     if (dead) {
-        int64_t now = qemu_get_clock_ns (vm_clock);
+        int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
         int64_t ticks = now - no->old_ticks;
         int64_t bytes =
             muldiv64 (ticks, hw->info.bytes_per_second, get_ticks_per_sec ());
diff --git a/audio/spiceaudio.c b/audio/spiceaudio.c
index bc24557..5af436c 100644
--- a/audio/spiceaudio.c
+++ b/audio/spiceaudio.c
@@ -81,7 +81,7 @@
 static void rate_start (SpiceRateCtl *rate)
 {
     memset (rate, 0, sizeof (*rate));
-    rate->start_ticks = qemu_get_clock_ns (vm_clock);
+    rate->start_ticks = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
 }
 
 static int rate_get_samples (struct audio_pcm_info *info, SpiceRateCtl *rate)
@@ -91,7 +91,7 @@
     int64_t bytes;
     int64_t samples;
 
-    now = qemu_get_clock_ns (vm_clock);
+    now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
     ticks = now - rate->start_ticks;
     bytes = muldiv64 (ticks, info->bytes_per_second, get_ticks_per_sec ());
     samples = (bytes - rate->bytes_sent) >> info->shift;
diff --git a/audio/wavaudio.c b/audio/wavaudio.c
index 950fa8f..6846a1a 100644
--- a/audio/wavaudio.c
+++ b/audio/wavaudio.c
@@ -52,7 +52,7 @@
     int rpos, decr, samples;
     uint8_t *dst;
     struct st_sample *src;
-    int64_t now = qemu_get_clock_ns (vm_clock);
+    int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
     int64_t ticks = now - wav->old_ticks;
     int64_t bytes =
         muldiv64 (ticks, hw->info.bytes_per_second, get_ticks_per_sec ());
diff --git a/backends/baum.c b/backends/baum.c
index b08e1d5..1132899 100644
--- a/backends/baum.c
+++ b/backends/baum.c
@@ -315,7 +315,7 @@
         if (*cur++ != ESC) { \
             DPRINTF("Broken packet %#2x, tossing\n", req); \
             if (timer_pending(baum->cellCount_timer)) {    \
-                qemu_del_timer(baum->cellCount_timer);     \
+                timer_del(baum->cellCount_timer);     \
                 baum_cellCount_timer_cb(baum);             \
             } \
             return (cur - 2 - buf); \
@@ -334,7 +334,7 @@
         int i;
 
         /* Allow 100ms to complete the DisplayData packet */
-        qemu_mod_timer(baum->cellCount_timer, qemu_get_clock_ns(vm_clock) +
+        timer_mod(baum->cellCount_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
                        get_ticks_per_sec() / 10);
         for (i = 0; i < baum->x * baum->y ; i++) {
             EAT(c);
@@ -348,7 +348,7 @@
                 c = '?';
             text[i] = c;
         }
-        qemu_del_timer(baum->cellCount_timer);
+        timer_del(baum->cellCount_timer);
 
         memset(zero, 0, sizeof(zero));
 
@@ -553,7 +553,7 @@
 {
     BaumDriverState *baum = chr->opaque;
 
-    qemu_free_timer(baum->cellCount_timer);
+    timer_free(baum->cellCount_timer);
     if (baum->brlapi) {
         brlapi__closeConnection(baum->brlapi);
         g_free(baum->brlapi);
@@ -588,7 +588,7 @@
         goto fail_handle;
     }
 
-    baum->cellCount_timer = qemu_new_timer_ns(vm_clock, baum_cellCount_timer_cb, baum);
+    baum->cellCount_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, baum_cellCount_timer_cb, baum);
 
     if (brlapi__getDisplaySize(handle, &baum->x, &baum->y) == -1) {
         brlapi_perror("baum_init: brlapi_getDisplaySize");
@@ -614,7 +614,7 @@
     return chr;
 
 fail:
-    qemu_free_timer(baum->cellCount_timer);
+    timer_free(baum->cellCount_timer);
     brlapi__closeConnection(handle);
 fail_handle:
     g_free(handle);
diff --git a/block.c b/block.c
index 1615d89..a387c1a 100644
--- a/block.c
+++ b/block.c
@@ -130,8 +130,8 @@
     do {} while (qemu_co_enter_next(&bs->throttled_reqs));
 
     if (bs->block_timer) {
-        qemu_del_timer(bs->block_timer);
-        qemu_free_timer(bs->block_timer);
+        timer_del(bs->block_timer);
+        timer_free(bs->block_timer);
         bs->block_timer = NULL;
     }
 
@@ -148,7 +148,7 @@
 
 void bdrv_io_limits_enable(BlockDriverState *bs)
 {
-    bs->block_timer = qemu_new_timer_ns(vm_clock, bdrv_block_timer, bs);
+    bs->block_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, bdrv_block_timer, bs);
     bs->io_limits_enabled = true;
 }
 
@@ -180,8 +180,8 @@
      */
 
     while (bdrv_exceed_io_limits(bs, nb_sectors, is_write, &wait_time)) {
-        qemu_mod_timer(bs->block_timer,
-                       wait_time + qemu_get_clock_ns(vm_clock));
+        timer_mod(bs->block_timer,
+                       wait_time + qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
         qemu_co_queue_wait_insert_head(&bs->throttled_reqs);
     }
 
@@ -3747,7 +3747,7 @@
     double   elapsed_time;
     int      bps_ret, iops_ret;
 
-    now = qemu_get_clock_ns(vm_clock);
+    now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
     if (now > bs->slice_end) {
         bs->slice_start = now;
         bs->slice_end   = now + BLOCK_IO_SLICE_TIME;
@@ -3767,7 +3767,7 @@
             *wait = max_wait;
         }
 
-        now = qemu_get_clock_ns(vm_clock);
+        now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
         if (bs->slice_end < now + max_wait) {
             bs->slice_end = now + max_wait;
         }
diff --git a/block/iscsi.c b/block/iscsi.c
index 47a3adc..2bbee1f 100644
--- a/block/iscsi.c
+++ b/block/iscsi.c
@@ -960,7 +960,7 @@
         return;
     }
 
-    qemu_mod_timer(iscsilun->nop_timer, qemu_get_clock_ms(rt_clock) + NOP_INTERVAL);
+    timer_mod(iscsilun->nop_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + NOP_INTERVAL);
     iscsi_set_events(iscsilun);
 }
 #endif
@@ -1173,8 +1173,8 @@
 
 #if defined(LIBISCSI_FEATURE_NOP_COUNTER)
     /* Set up a timer for sending out iSCSI NOPs */
-    iscsilun->nop_timer = qemu_new_timer_ms(rt_clock, iscsi_nop_timed_event, iscsilun);
-    qemu_mod_timer(iscsilun->nop_timer, qemu_get_clock_ms(rt_clock) + NOP_INTERVAL);
+    iscsilun->nop_timer = timer_new_ms(QEMU_CLOCK_REALTIME, iscsi_nop_timed_event, iscsilun);
+    timer_mod(iscsilun->nop_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + NOP_INTERVAL);
 #endif
 
 out:
@@ -1204,8 +1204,8 @@
     struct iscsi_context *iscsi = iscsilun->iscsi;
 
     if (iscsilun->nop_timer) {
-        qemu_del_timer(iscsilun->nop_timer);
-        qemu_free_timer(iscsilun->nop_timer);
+        timer_del(iscsilun->nop_timer);
+        timer_free(iscsilun->nop_timer);
     }
     qemu_aio_set_fd_handler(iscsi_get_fd(iscsi), NULL, NULL, NULL);
     iscsi_destroy_context(iscsi);
@@ -1267,8 +1267,8 @@
         goto out;
     }
     if (iscsilun->nop_timer) {
-        qemu_del_timer(iscsilun->nop_timer);
-        qemu_free_timer(iscsilun->nop_timer);
+        timer_del(iscsilun->nop_timer);
+        timer_free(iscsilun->nop_timer);
     }
     if (iscsilun->type != TYPE_DISK) {
         ret = -ENODEV;
diff --git a/block/mirror.c b/block/mirror.c
index ead567e..86de458 100644
--- a/block/mirror.c
+++ b/block/mirror.c
@@ -356,7 +356,7 @@
     }
 
     bdrv_dirty_iter_init(bs, &s->hbi);
-    last_pause_ns = qemu_get_clock_ns(rt_clock);
+    last_pause_ns = qemu_clock_get_ns(QEMU_CLOCK_REALTIME);
     for (;;) {
         uint64_t delay_ns;
         int64_t cnt;
@@ -374,7 +374,7 @@
          * We do so every SLICE_TIME nanoseconds, or when there is an error,
          * or when the source is clean, whichever comes first.
          */
-        if (qemu_get_clock_ns(rt_clock) - last_pause_ns < SLICE_TIME &&
+        if (qemu_clock_get_ns(QEMU_CLOCK_REALTIME) - last_pause_ns < SLICE_TIME &&
             s->common.iostatus == BLOCK_DEVICE_IO_STATUS_OK) {
             if (s->in_flight == MAX_IN_FLIGHT || s->buf_free_count == 0 ||
                 (cnt == 0 && s->in_flight > 0)) {
@@ -454,7 +454,7 @@
             s->common.cancelled = false;
             break;
         }
-        last_pause_ns = qemu_get_clock_ns(rt_clock);
+        last_pause_ns = qemu_clock_get_ns(QEMU_CLOCK_REALTIME);
     }
 
 immediate_exit:
diff --git a/block/qed.c b/block/qed.c
index f767b05..cc904c4 100644
--- a/block/qed.c
+++ b/block/qed.c
@@ -353,10 +353,10 @@
 {
     trace_qed_start_need_check_timer(s);
 
-    /* Use vm_clock so we don't alter the image file while suspended for
+    /* Use QEMU_CLOCK_VIRTUAL so we don't alter the image file while suspended for
      * migration.
      */
-    qemu_mod_timer(s->need_check_timer, qemu_get_clock_ns(vm_clock) +
+    timer_mod(s->need_check_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
                    get_ticks_per_sec() * QED_NEED_CHECK_TIMEOUT);
 }
 
@@ -364,7 +364,7 @@
 static void qed_cancel_need_check_timer(BDRVQEDState *s)
 {
     trace_qed_cancel_need_check_timer(s);
-    qemu_del_timer(s->need_check_timer);
+    timer_del(s->need_check_timer);
 }
 
 static void bdrv_qed_rebind(BlockDriverState *bs)
@@ -494,7 +494,7 @@
         }
     }
 
-    s->need_check_timer = qemu_new_timer_ns(vm_clock,
+    s->need_check_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL,
                                             qed_need_check_timer_cb, s);
 
 out:
@@ -518,7 +518,7 @@
     BDRVQEDState *s = bs->opaque;
 
     qed_cancel_need_check_timer(s);
-    qemu_free_timer(s->need_check_timer);
+    timer_free(s->need_check_timer);
 
     /* Ensure writes reach stable storage */
     bdrv_flush(bs->file);
diff --git a/blockdev.c b/blockdev.c
index d3500c6..121520e 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -1299,7 +1299,7 @@
         bdrv_io_limits_disable(bs);
     } else {
         if (bs->block_timer) {
-            qemu_mod_timer(bs->block_timer, qemu_get_clock_ns(vm_clock));
+            timer_mod(bs->block_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
         }
     }
 }
diff --git a/hmp.c b/hmp.c
index c45514b..fcca6ae 100644
--- a/hmp.c
+++ b/hmp.c
@@ -1195,13 +1195,13 @@
             monitor_flush(status->mon);
         }
 
-        qemu_mod_timer(status->timer, qemu_get_clock_ms(rt_clock) + 1000);
+        timer_mod(status->timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1000);
     } else {
         if (status->is_block_migration) {
             monitor_printf(status->mon, "\n");
         }
         monitor_resume(status->mon);
-        qemu_del_timer(status->timer);
+        timer_del(status->timer);
         g_free(status);
     }
 
@@ -1235,9 +1235,9 @@
         status = g_malloc0(sizeof(*status));
         status->mon = mon;
         status->is_block_migration = blk || inc;
-        status->timer = qemu_new_timer_ms(rt_clock, hmp_migrate_status_cb,
+        status->timer = timer_new_ms(QEMU_CLOCK_REALTIME, hmp_migrate_status_cb,
                                           status);
-        qemu_mod_timer(status->timer, qemu_get_clock_ms(rt_clock));
+        timer_mod(status->timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME));
     }
 }
 
diff --git a/hw/acpi/core.c b/hw/acpi/core.c
index b07feda..7467b88 100644
--- a/hw/acpi/core.c
+++ b/hw/acpi/core.c
@@ -433,9 +433,9 @@
     if (enable) {
         expire_time = muldiv64(ar->tmr.overflow_time, get_ticks_per_sec(),
                                PM_TIMER_FREQUENCY);
-        qemu_mod_timer(ar->tmr.timer, expire_time);
+        timer_mod(ar->tmr.timer, expire_time);
     } else {
-        qemu_del_timer(ar->tmr.timer);
+        timer_del(ar->tmr.timer);
     }
 }
 
@@ -481,7 +481,7 @@
                       MemoryRegion *parent)
 {
     ar->tmr.update_sci = update_sci;
-    ar->tmr.timer = qemu_new_timer_ns(vm_clock, acpi_pm_tmr_timer, ar);
+    ar->tmr.timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, acpi_pm_tmr_timer, ar);
     memory_region_init_io(&ar->tmr.io, memory_region_owner(parent),
                           &acpi_pm_tmr_ops, ar, "acpi-tmr", 4);
     memory_region_add_subregion(parent, 8, &ar->tmr.io);
@@ -490,7 +490,7 @@
 void acpi_pm_tmr_reset(ACPIREGS *ar)
 {
     ar->tmr.overflow_time = 0;
-    qemu_del_timer(ar->tmr.timer);
+    timer_del(ar->tmr.timer);
 }
 
 /* ACPI PM1aCNT */
diff --git a/hw/alpha/typhoon.c b/hw/alpha/typhoon.c
index 2450045..aac9a32 100644
--- a/hw/alpha/typhoon.c
+++ b/hw/alpha/typhoon.c
@@ -833,7 +833,7 @@
         AlphaCPU *cpu = cpus[i];
         s->cchip.cpu[i] = cpu;
         if (cpu != NULL) {
-            cpu->alarm_timer = qemu_new_timer_ns(vm_clock,
+            cpu->alarm_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL,
                                                  typhoon_alarm_timer,
                                                  (void *)((uintptr_t)s + i));
         }
diff --git a/hw/arm/omap1.c b/hw/arm/omap1.c
index 864c07e..47511d2 100644
--- a/hw/arm/omap1.c
+++ b/hw/arm/omap1.c
@@ -99,7 +99,7 @@
 
 static inline uint32_t omap_timer_read(struct omap_mpu_timer_s *timer)
 {
-    uint64_t distance = qemu_get_clock_ns(vm_clock) - timer->time;
+    uint64_t distance = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) - timer->time;
 
     if (timer->st && timer->enable && timer->rate)
         return timer->val - muldiv64(distance >> (timer->ptv + 1),
@@ -111,7 +111,7 @@
 static inline void omap_timer_sync(struct omap_mpu_timer_s *timer)
 {
     timer->val = omap_timer_read(timer);
-    timer->time = qemu_get_clock_ns(vm_clock);
+    timer->time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
 }
 
 static inline void omap_timer_update(struct omap_mpu_timer_s *timer)
@@ -130,11 +130,11 @@
          * in a busy loop when it wants to sleep just a couple of CPU
          * ticks.  */
         if (expires > (get_ticks_per_sec() >> 10) || timer->ar)
-            qemu_mod_timer(timer->timer, timer->time + expires);
+            timer_mod(timer->timer, timer->time + expires);
         else
             qemu_bh_schedule(timer->tick);
     } else
-        qemu_del_timer(timer->timer);
+        timer_del(timer->timer);
 }
 
 static void omap_timer_fire(void *opaque)
@@ -240,7 +240,7 @@
 
 static void omap_mpu_timer_reset(struct omap_mpu_timer_s *s)
 {
-    qemu_del_timer(s->timer);
+    timer_del(s->timer);
     s->enable = 0;
     s->reset_val = 31337;
     s->val = 0;
@@ -259,7 +259,7 @@
 
     s->irq = irq;
     s->clk = clk;
-    s->timer = qemu_new_timer_ns(vm_clock, omap_timer_tick, s);
+    s->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, omap_timer_tick, s);
     s->tick = qemu_bh_new(omap_timer_fire, s);
     omap_mpu_timer_reset(s);
     omap_timer_clk_setup(s);
@@ -363,7 +363,7 @@
 
 static void omap_wd_timer_reset(struct omap_watchdog_timer_s *s)
 {
-    qemu_del_timer(s->timer.timer);
+    timer_del(s->timer.timer);
     if (!s->mode)
         omap_clk_get(s->timer.clk);
     s->mode = 1;
@@ -388,7 +388,7 @@
 
     s->timer.irq = irq;
     s->timer.clk = clk;
-    s->timer.timer = qemu_new_timer_ns(vm_clock, omap_timer_tick, &s->timer);
+    s->timer.timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, omap_timer_tick, &s->timer);
     omap_wd_timer_reset(s);
     omap_timer_clk_setup(&s->timer);
 
@@ -475,7 +475,7 @@
 
 static void omap_os_timer_reset(struct omap_32khz_timer_s *s)
 {
-    qemu_del_timer(s->timer.timer);
+    timer_del(s->timer.timer);
     s->timer.enable = 0;
     s->timer.it_ena = 0;
     s->timer.reset_val = 0x00ffffff;
@@ -494,7 +494,7 @@
 
     s->timer.irq = irq;
     s->timer.clk = clk;
-    s->timer.timer = qemu_new_timer_ns(vm_clock, omap_timer_tick, &s->timer);
+    s->timer.timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, omap_timer_tick, &s->timer);
     omap_os_timer_reset(s);
     omap_timer_clk_setup(&s->timer);
 
@@ -600,7 +600,7 @@
     case 0x10:	/* GAUGING_CTRL */
         /* Bits 0 and 1 seem to be confused in the OMAP 310 TRM */
         if ((s->ulpd_pm_regs[addr >> 2] ^ value) & 1) {
-            now = qemu_get_clock_ns(vm_clock);
+            now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
 
             if (value & 1)
                 s->ulpd_gauge_start = now;
@@ -2881,7 +2881,7 @@
     if (s->auto_comp && !s->current_tm.tm_sec && !s->current_tm.tm_min)
         s->tick += s->comp_reg * 1000 / 32768;
 
-    qemu_mod_timer(s->clk, s->tick);
+    timer_mod(s->clk, s->tick);
 }
 
 static void omap_rtc_reset(struct omap_rtc_s *s)
@@ -3009,7 +3009,7 @@
     s->rx_req = s->rx_rate << bps[(s->rcr[0] >> 5) & 7];
 
     omap_mcbsp_rx_newdata(s);
-    qemu_mod_timer(s->source_timer, qemu_get_clock_ns(vm_clock) +
+    timer_mod(s->source_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
                    get_ticks_per_sec());
 }
 
@@ -3025,7 +3025,7 @@
 
 static void omap_mcbsp_rx_stop(struct omap_mcbsp_s *s)
 {
-    qemu_del_timer(s->source_timer);
+    timer_del(s->source_timer);
 }
 
 static void omap_mcbsp_rx_done(struct omap_mcbsp_s *s)
@@ -3055,7 +3055,7 @@
     s->tx_req = s->tx_rate << bps[(s->xcr[0] >> 5) & 7];
 
     omap_mcbsp_tx_newdata(s);
-    qemu_mod_timer(s->sink_timer, qemu_get_clock_ns(vm_clock) +
+    timer_mod(s->sink_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
                    get_ticks_per_sec());
 }
 
@@ -3082,7 +3082,7 @@
 {
     s->tx_req = 0;
     omap_mcbsp_tx_done(s);
-    qemu_del_timer(s->sink_timer);
+    timer_del(s->sink_timer);
 }
 
 static void omap_mcbsp_req_update(struct omap_mcbsp_s *s)
@@ -3432,8 +3432,8 @@
     s->rx_req = 0;
     s->tx_rate = 0;
     s->rx_rate = 0;
-    qemu_del_timer(s->source_timer);
-    qemu_del_timer(s->sink_timer);
+    timer_del(s->source_timer);
+    timer_del(s->sink_timer);
 }
 
 static struct omap_mcbsp_s *omap_mcbsp_init(MemoryRegion *system_memory,
@@ -3448,8 +3448,8 @@
     s->rxirq = rxirq;
     s->txdrq = dma[0];
     s->rxdrq = dma[1];
-    s->sink_timer = qemu_new_timer_ns(vm_clock, omap_mcbsp_sink_tick, s);
-    s->source_timer = qemu_new_timer_ns(vm_clock, omap_mcbsp_source_tick, s);
+    s->sink_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, omap_mcbsp_sink_tick, s);
+    s->source_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, omap_mcbsp_source_tick, s);
     omap_mcbsp_reset(s);
 
     memory_region_init_io(&s->iomem, NULL, &omap_mcbsp_ops, s, "omap-mcbsp", 0x800);
@@ -3503,9 +3503,9 @@
     struct omap_lpg_s *s = opaque;
 
     if (s->cycle)
-        qemu_mod_timer(s->tm, qemu_get_clock_ms(vm_clock) + s->period - s->on);
+        timer_mod(s->tm, qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) + s->period - s->on);
     else
-        qemu_mod_timer(s->tm, qemu_get_clock_ms(vm_clock) + s->on);
+        timer_mod(s->tm, qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) + s->on);
 
     s->cycle = !s->cycle;
     printf("%s: LED is %s\n", __FUNCTION__, s->cycle ? "on" : "off");
@@ -3527,7 +3527,7 @@
                         per[(s->control >> 3) & 7], 256) : 0;	/* ONCTRL */
     }
 
-    qemu_del_timer(s->tm);
+    timer_del(s->tm);
     if (on == period && s->on < s->period)
         printf("%s: LED is on\n", __FUNCTION__);
     else if (on == 0 && s->on)
@@ -3623,7 +3623,7 @@
     struct omap_lpg_s *s = (struct omap_lpg_s *)
             g_malloc0(sizeof(struct omap_lpg_s));
 
-    s->tm = qemu_new_timer_ms(vm_clock, omap_lpg_tick, s);
+    s->tm = timer_new_ms(QEMU_CLOCK_VIRTUAL, omap_lpg_tick, s);
 
     omap_lpg_reset(s);
 
diff --git a/hw/arm/pxa2xx.c b/hw/arm/pxa2xx.c
index 331bc72..02b7016 100644
--- a/hw/arm/pxa2xx.c
+++ b/hw/arm/pxa2xx.c
@@ -335,7 +335,7 @@
 {
     PXA2xxState *s = (PXA2xxState *)ri->opaque;
     if (s->pmnc & 1) {
-        *value = qemu_get_clock_ns(vm_clock);
+        *value = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
     } else {
         *value = 0;
     }
@@ -870,43 +870,43 @@
                 uint32_t rtsr)
 {
     if ((rtsr & (1 << 2)) && !(rtsr & (1 << 0)))
-        qemu_mod_timer(s->rtc_hz, s->last_hz +
+        timer_mod(s->rtc_hz, s->last_hz +
                 (((s->rtar - s->last_rcnr) * 1000 *
                   ((s->rttr & 0xffff) + 1)) >> 15));
     else
-        qemu_del_timer(s->rtc_hz);
+        timer_del(s->rtc_hz);
 
     if ((rtsr & (1 << 5)) && !(rtsr & (1 << 4)))
-        qemu_mod_timer(s->rtc_rdal1, s->last_hz +
+        timer_mod(s->rtc_rdal1, s->last_hz +
                 (((s->rdar1 - s->last_rdcr) * 1000 *
                   ((s->rttr & 0xffff) + 1)) >> 15)); /* TODO: fixup */
     else
-        qemu_del_timer(s->rtc_rdal1);
+        timer_del(s->rtc_rdal1);
 
     if ((rtsr & (1 << 7)) && !(rtsr & (1 << 6)))
-        qemu_mod_timer(s->rtc_rdal2, s->last_hz +
+        timer_mod(s->rtc_rdal2, s->last_hz +
                 (((s->rdar2 - s->last_rdcr) * 1000 *
                   ((s->rttr & 0xffff) + 1)) >> 15)); /* TODO: fixup */
     else
-        qemu_del_timer(s->rtc_rdal2);
+        timer_del(s->rtc_rdal2);
 
     if ((rtsr & 0x1200) == 0x1200 && !(rtsr & (1 << 8)))
-        qemu_mod_timer(s->rtc_swal1, s->last_sw +
+        timer_mod(s->rtc_swal1, s->last_sw +
                         (s->swar1 - s->last_swcr) * 10); /* TODO: fixup */
     else
-        qemu_del_timer(s->rtc_swal1);
+        timer_del(s->rtc_swal1);
 
     if ((rtsr & 0x1800) == 0x1800 && !(rtsr & (1 << 10)))
-        qemu_mod_timer(s->rtc_swal2, s->last_sw +
+        timer_mod(s->rtc_swal2, s->last_sw +
                         (s->swar2 - s->last_swcr) * 10); /* TODO: fixup */
     else
-        qemu_del_timer(s->rtc_swal2);
+        timer_del(s->rtc_swal2);
 
     if ((rtsr & 0xc000) == 0xc000 && !(rtsr & (1 << 13)))
-        qemu_mod_timer(s->rtc_pi, s->last_pi +
+        timer_mod(s->rtc_pi, s->last_pi +
                         (s->piar & 0xffff) - s->last_rtcpicr);
     else
-        qemu_del_timer(s->rtc_pi);
+        timer_del(s->rtc_pi);
 }
 
 static inline void pxa2xx_rtc_hz_tick(void *opaque)
diff --git a/hw/arm/spitz.c b/hw/arm/spitz.c
index 34f9582..9b9ce95 100644
--- a/hw/arm/spitz.c
+++ b/hw/arm/spitz.c
@@ -393,7 +393,7 @@
             s->fifopos = 0;
     }
 
-    qemu_mod_timer(s->kbdtimer, qemu_get_clock_ns(vm_clock) +
+    timer_mod(s->kbdtimer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
                    get_ticks_per_sec() / 32);
 }
 
@@ -485,7 +485,7 @@
         qdev_connect_gpio_out(cpu->gpio, spitz_gpio_key_strobe[i],
                 qdev_get_gpio_in(dev, i));
 
-    qemu_mod_timer(s->kbdtimer, qemu_get_clock_ns(vm_clock));
+    timer_mod(s->kbdtimer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
 
     qemu_add_kbd_event_handler(spitz_keyboard_handler, s);
 }
@@ -505,7 +505,7 @@
 
     spitz_keyboard_pre_map(s);
 
-    s->kbdtimer = qemu_new_timer_ns(vm_clock, spitz_keyboard_tick, s);
+    s->kbdtimer = timer_new_ns(QEMU_CLOCK_VIRTUAL, spitz_keyboard_tick, s);
     qdev_init_gpio_in(dev, spitz_keyboard_strobe, SPITZ_KEY_STROBE_NUM);
     qdev_init_gpio_out(dev, s->sense, SPITZ_KEY_SENSE_NUM);
 
diff --git a/hw/arm/stellaris.c b/hw/arm/stellaris.c
index 79f6b4e..3237b30 100644
--- a/hw/arm/stellaris.c
+++ b/hw/arm/stellaris.c
@@ -78,14 +78,14 @@
 
 static void gptm_stop(gptm_state *s, int n)
 {
-    qemu_del_timer(s->timer[n]);
+    timer_del(s->timer[n]);
 }
 
 static void gptm_reload(gptm_state *s, int n, int reset)
 {
     int64_t tick;
     if (reset)
-        tick = qemu_get_clock_ns(vm_clock);
+        tick = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
     else
         tick = s->tick[n];
 
@@ -103,7 +103,7 @@
         hw_error("TODO: 16-bit timer mode 0x%x\n", s->mode[n]);
     }
     s->tick[n] = tick;
-    qemu_mod_timer(s->timer[n], tick);
+    timer_mod(s->timer[n], tick);
 }
 
 static void gptm_tick(void *opaque)
@@ -318,8 +318,8 @@
     sysbus_init_mmio(sbd, &s->iomem);
 
     s->opaque[0] = s->opaque[1] = s;
-    s->timer[0] = qemu_new_timer_ns(vm_clock, gptm_tick, &s->opaque[0]);
-    s->timer[1] = qemu_new_timer_ns(vm_clock, gptm_tick, &s->opaque[1]);
+    s->timer[0] = timer_new_ns(QEMU_CLOCK_VIRTUAL, gptm_tick, &s->opaque[0]);
+    s->timer[1] = timer_new_ns(QEMU_CLOCK_VIRTUAL, gptm_tick, &s->opaque[1]);
     vmstate_register(dev, -1, &vmstate_stellaris_gptm, s);
     return 0;
 }
diff --git a/hw/arm/strongarm.c b/hw/arm/strongarm.c
index 6528cc0..170d0ce 100644
--- a/hw/arm/strongarm.c
+++ b/hw/arm/strongarm.c
@@ -278,17 +278,17 @@
 static inline void strongarm_rtc_timer_update(StrongARMRTCState *s)
 {
     if ((s->rtsr & RTSR_HZE) && !(s->rtsr & RTSR_HZ)) {
-        qemu_mod_timer(s->rtc_hz, s->last_hz + 1000);
+        timer_mod(s->rtc_hz, s->last_hz + 1000);
     } else {
-        qemu_del_timer(s->rtc_hz);
+        timer_del(s->rtc_hz);
     }
 
     if ((s->rtsr & RTSR_ALE) && !(s->rtsr & RTSR_AL)) {
-        qemu_mod_timer(s->rtc_alarm, s->last_hz +
+        timer_mod(s->rtc_alarm, s->last_hz +
                 (((s->rtar - s->last_rcnr) * 1000 *
                   ((s->rttr & 0xffff) + 1)) >> 15));
     } else {
-        qemu_del_timer(s->rtc_alarm);
+        timer_del(s->rtc_alarm);
     }
 }
 
@@ -1085,8 +1085,8 @@
     }
 
     /* call the timeout receive callback in 3 char transmit time */
-    qemu_mod_timer(s->rx_timeout_timer,
-                    qemu_get_clock_ns(vm_clock) + s->char_transmit_time * 3);
+    timer_mod(s->rx_timeout_timer,
+                    qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + s->char_transmit_time * 3);
 
     strongarm_uart_update_status(s);
     strongarm_uart_update_int_status(s);
@@ -1107,7 +1107,7 @@
 static void strongarm_uart_tx(void *opaque)
 {
     StrongARMUARTState *s = opaque;
-    uint64_t new_xmit_ts = qemu_get_clock_ns(vm_clock);
+    uint64_t new_xmit_ts = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
 
     if (s->utcr3 & UTCR3_LBM) /* loopback */ {
         strongarm_uart_receive(s, &s->tx_fifo[s->tx_start], 1);
@@ -1118,7 +1118,7 @@
     s->tx_start = (s->tx_start + 1) % 8;
     s->tx_len--;
     if (s->tx_len) {
-        qemu_mod_timer(s->tx_timer, new_xmit_ts + s->char_transmit_time);
+        timer_mod(s->tx_timer, new_xmit_ts + s->char_transmit_time);
     }
     strongarm_uart_update_status(s);
     strongarm_uart_update_int_status(s);
@@ -1237,8 +1237,8 @@
     sysbus_init_mmio(dev, &s->iomem);
     sysbus_init_irq(dev, &s->irq);
 
-    s->rx_timeout_timer = qemu_new_timer_ns(vm_clock, strongarm_uart_rx_to, s);
-    s->tx_timer = qemu_new_timer_ns(vm_clock, strongarm_uart_tx, s);
+    s->rx_timeout_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, strongarm_uart_rx_to, s);
+    s->tx_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, strongarm_uart_tx, s);
 
     if (s->chr) {
         qemu_chr_add_handlers(s->chr,
@@ -1282,8 +1282,8 @@
 
     /* restart rx timeout timer */
     if (s->rx_len) {
-        qemu_mod_timer(s->rx_timeout_timer,
-                qemu_get_clock_ns(vm_clock) + s->char_transmit_time * 3);
+        timer_mod(s->rx_timeout_timer,
+                qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + s->char_transmit_time * 3);
     }
 
     return 0;
diff --git a/hw/audio/adlib.c b/hw/audio/adlib.c
index 0421d47..0c79247 100644
--- a/hw/audio/adlib.c
+++ b/hw/audio/adlib.c
@@ -173,7 +173,7 @@
     s->ticking[n] = 1;
 #ifdef DEBUG
     interval = get_ticks_per_sec () * interval_Sec;
-    exp = qemu_get_clock_ns (vm_clock) + interval;
+    exp = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + interval;
     s->exp[n] = exp;
 #endif
 
diff --git a/hw/audio/intel-hda.c b/hw/audio/intel-hda.c
index 32e44ad..78f9d28 100644
--- a/hw/audio/intel-hda.c
+++ b/hw/audio/intel-hda.c
@@ -526,7 +526,7 @@
 {
     int64_t ns;
 
-    ns = qemu_get_clock_ns(vm_clock) - d->wall_base_ns;
+    ns = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) - d->wall_base_ns;
     d->wall_clk = (uint32_t)(ns * 24 / 1000);  /* 24 MHz */
 }
 
@@ -1111,7 +1111,7 @@
     HDACodecDevice *cdev;
 
     intel_hda_regs_reset(d);
-    d->wall_base_ns = qemu_get_clock_ns(vm_clock);
+    d->wall_base_ns = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
 
     /* reset codecs */
     QTAILQ_FOREACH(kid, &d->codecs.qbus.children, sibling) {
diff --git a/hw/audio/sb16.c b/hw/audio/sb16.c
index 3e58688..db79131 100644
--- a/hw/audio/sb16.c
+++ b/hw/audio/sb16.c
@@ -768,9 +768,9 @@
                 }
                 else {
                     if (s->aux_ts) {
-                        qemu_mod_timer (
+                        timer_mod (
                             s->aux_ts,
-                            qemu_get_clock_ns (vm_clock) + ticks
+                            qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + ticks
                             );
                     }
                 }
@@ -1378,7 +1378,7 @@
     s->csp_regs[9] = 0xf8;
 
     reset_mixer (s);
-    s->aux_ts = qemu_new_timer_ns (vm_clock, aux_timer, s);
+    s->aux_ts = timer_new_ns(QEMU_CLOCK_VIRTUAL, aux_timer, s);
     if (!s->aux_ts) {
         dolog ("warning: Could not create auxiliary timer\n");
     }
diff --git a/hw/block/fdc.c b/hw/block/fdc.c
index e35ed2e..c5a6c21 100644
--- a/hw/block/fdc.c
+++ b/hw/block/fdc.c
@@ -1647,8 +1647,8 @@
     FDrive *cur_drv = get_cur_drv(fdctrl);
 
     cur_drv->head = (fdctrl->fifo[1] >> 2) & 1;
-    qemu_mod_timer(fdctrl->result_timer,
-                   qemu_get_clock_ns(vm_clock) + (get_ticks_per_sec() / 50));
+    timer_mod(fdctrl->result_timer,
+                   qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + (get_ticks_per_sec() / 50));
 }
 
 static void fdctrl_handle_format_track(FDCtrl *fdctrl, int direction)
@@ -2108,7 +2108,7 @@
     FLOPPY_DPRINTF("init controller\n");
     fdctrl->fifo = qemu_memalign(512, FD_SECTOR_LEN);
     fdctrl->fifo_size = 512;
-    fdctrl->result_timer = qemu_new_timer_ns(vm_clock,
+    fdctrl->result_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL,
                                              fdctrl_result_timer, fdctrl);
 
     fdctrl->version = 0x90; /* Intel 82078 controller */
diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index 0263e5c..5dee229 100644
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -187,7 +187,7 @@
     assert(cq->cqid == req->sq->cqid);
     QTAILQ_REMOVE(&req->sq->out_req_list, req, entry);
     QTAILQ_INSERT_TAIL(&cq->req_list, req, entry);
-    qemu_mod_timer(cq->timer, qemu_get_clock_ns(vm_clock) + 500);
+    timer_mod(cq->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 500);
 }
 
 static void nvme_rw_cb(void *opaque, int ret)
@@ -264,8 +264,8 @@
 static void nvme_free_sq(NvmeSQueue *sq, NvmeCtrl *n)
 {
     n->sq[sq->sqid] = NULL;
-    qemu_del_timer(sq->timer);
-    qemu_free_timer(sq->timer);
+    timer_del(sq->timer);
+    timer_free(sq->timer);
     g_free(sq->io_req);
     if (sq->sqid) {
         g_free(sq);
@@ -327,7 +327,7 @@
         sq->io_req[i].sq = sq;
         QTAILQ_INSERT_TAIL(&(sq->req_list), &sq->io_req[i], entry);
     }
-    sq->timer = qemu_new_timer_ns(vm_clock, nvme_process_sq, sq);
+    sq->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, nvme_process_sq, sq);
 
     assert(n->cq[cqid]);
     cq = n->cq[cqid];
@@ -369,8 +369,8 @@
 static void nvme_free_cq(NvmeCQueue *cq, NvmeCtrl *n)
 {
     n->cq[cq->cqid] = NULL;
-    qemu_del_timer(cq->timer);
-    qemu_free_timer(cq->timer);
+    timer_del(cq->timer);
+    timer_free(cq->timer);
     msix_vector_unuse(&n->parent_obj, cq->vector);
     if (cq->cqid) {
         g_free(cq);
@@ -410,7 +410,7 @@
     QTAILQ_INIT(&cq->sq_list);
     msix_vector_use(&n->parent_obj, cq->vector);
     n->cq[cqid] = cq;
-    cq->timer = qemu_new_timer_ns(vm_clock, nvme_post_cqes, cq);
+    cq->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, nvme_post_cqes, cq);
 }
 
 static uint16_t nvme_create_cq(NvmeCtrl *n, NvmeCmd *cmd)
@@ -691,9 +691,9 @@
         if (start_sqs) {
             NvmeSQueue *sq;
             QTAILQ_FOREACH(sq, &cq->sq_list, entry) {
-                qemu_mod_timer(sq->timer, qemu_get_clock_ns(vm_clock) + 500);
+                timer_mod(sq->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 500);
             }
-            qemu_mod_timer(cq->timer, qemu_get_clock_ns(vm_clock) + 500);
+            timer_mod(cq->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 500);
         }
 
         if (cq->tail != cq->head) {
@@ -714,7 +714,7 @@
         }
 
         sq->tail = new_tail;
-        qemu_mod_timer(sq->timer, qemu_get_clock_ns(vm_clock) + 500);
+        timer_mod(sq->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 500);
     }
 }
 
diff --git a/hw/block/pflash_cfi01.c b/hw/block/pflash_cfi01.c
index 825011d..018a967 100644
--- a/hw/block/pflash_cfi01.c
+++ b/hw/block/pflash_cfi01.c
@@ -613,7 +613,7 @@
         pfl->ro = 0;
     }
 
-    pfl->timer = qemu_new_timer_ns(vm_clock, pflash_timer, pfl);
+    pfl->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, pflash_timer, pfl);
     pfl->wcycle = 0;
     pfl->cmd = 0;
     pfl->status = 0;
diff --git a/hw/block/pflash_cfi02.c b/hw/block/pflash_cfi02.c
index 9fc02e3..99445b0 100644
--- a/hw/block/pflash_cfi02.c
+++ b/hw/block/pflash_cfi02.c
@@ -430,8 +430,8 @@
             }
             pfl->status = 0x00;
             /* Let's wait 5 seconds before chip erase is done */
-            qemu_mod_timer(pfl->timer,
-                           qemu_get_clock_ns(vm_clock) + (get_ticks_per_sec() * 5));
+            timer_mod(pfl->timer,
+                           qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + (get_ticks_per_sec() * 5));
             break;
         case 0x30:
             /* Sector erase */
@@ -445,8 +445,8 @@
             }
             pfl->status = 0x00;
             /* Let's wait 1/2 second before sector erase is done */
-            qemu_mod_timer(pfl->timer,
-                           qemu_get_clock_ns(vm_clock) + (get_ticks_per_sec() / 2));
+            timer_mod(pfl->timer,
+                           qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + (get_ticks_per_sec() / 2));
             break;
         default:
             DPRINTF("%s: invalid command %02x (wc 5)\n", __func__, cmd);
@@ -633,7 +633,7 @@
         pfl->ro = 0;
     }
 
-    pfl->timer = qemu_new_timer_ns(vm_clock, pflash_timer, pfl);
+    pfl->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, pflash_timer, pfl);
     pfl->wcycle = 0;
     pfl->cmd = 0;
     pfl->status = 0;
diff --git a/hw/bt/hci-csr.c b/hw/bt/hci-csr.c
index 16a25cb..7b9b916 100644
--- a/hw/bt/hci-csr.c
+++ b/hw/bt/hci-csr.c
@@ -87,7 +87,7 @@
     }
 
     if (s->out_len)
-        qemu_mod_timer(s->out_tm, qemu_get_clock_ns(vm_clock) + s->baud_delay);
+        timer_mod(s->out_tm, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + s->baud_delay);
 }
 
 #define csrhci_out_packetz(s, len) memset(csrhci_out_packet(s, len), 0, len)
@@ -446,7 +446,7 @@
     s->hci->evt_recv = csrhci_out_hci_packet_event;
     s->hci->acl_recv = csrhci_out_hci_packet_acl;
 
-    s->out_tm = qemu_new_timer_ns(vm_clock, csrhci_out_tick, s);
+    s->out_tm = timer_new_ns(QEMU_CLOCK_VIRTUAL, csrhci_out_tick, s);
     s->pins = qemu_allocate_irqs(csrhci_pins, s, __csrhci_pins);
     csrhci_reset(s);
 
diff --git a/hw/bt/hci.c b/hw/bt/hci.c
index b53cd5d..d1c0604 100644
--- a/hw/bt/hci.c
+++ b/hw/bt/hci.c
@@ -576,7 +576,7 @@
 
 static void bt_hci_mod_timer_1280ms(QEMUTimer *timer, int period)
 {
-    qemu_mod_timer(timer, qemu_get_clock_ns(vm_clock) +
+    timer_mod(timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
                    muldiv64(period << 7, get_ticks_per_sec(), 100));
 }
 
@@ -657,7 +657,7 @@
     if (master) {
         link->acl_mode = acl_active;
         hci->lm.handle[hci->lm.last_handle].acl_mode_timer =
-                qemu_new_timer_ns(vm_clock, bt_hci_mode_tick, link);
+                timer_new_ns(QEMU_CLOCK_VIRTUAL, bt_hci_mode_tick, link);
     }
 }
 
@@ -667,8 +667,8 @@
     hci->lm.handle[handle].link = NULL;
 
     if (bt_hci_role_master(hci, handle)) {
-        qemu_del_timer(hci->lm.handle[handle].acl_mode_timer);
-        qemu_free_timer(hci->lm.handle[handle].acl_mode_timer);
+        timer_del(hci->lm.handle[handle].acl_mode_timer);
+        timer_free(hci->lm.handle[handle].acl_mode_timer);
     }
 }
 
@@ -1080,7 +1080,7 @@
 
     bt_hci_event_status(hci, HCI_SUCCESS);
 
-    qemu_mod_timer(link->acl_mode_timer, qemu_get_clock_ns(vm_clock) +
+    timer_mod(link->acl_mode_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
                    muldiv64(interval * 625, get_ticks_per_sec(), 1000000));
     bt_hci_lmp_mode_change_master(hci, link->link, mode, interval);
 
@@ -1103,7 +1103,7 @@
 
     bt_hci_event_status(hci, HCI_SUCCESS);
 
-    qemu_del_timer(link->acl_mode_timer);
+    timer_del(link->acl_mode_timer);
     bt_hci_lmp_mode_change_master(hci, link->link, acl_active, 0);
 
     return 0;
@@ -1146,10 +1146,10 @@
     hci->psb_handle = 0x000;
     hci->asb_handle = 0x000;
 
-    /* XXX: qemu_del_timer(sl->acl_mode_timer); for all links */
-    qemu_del_timer(hci->lm.inquiry_done);
-    qemu_del_timer(hci->lm.inquiry_next);
-    qemu_del_timer(hci->conn_accept_timer);
+    /* XXX: timer_del(sl->acl_mode_timer); for all links */
+    timer_del(hci->lm.inquiry_done);
+    timer_del(hci->lm.inquiry_next);
+    timer_del(hci->conn_accept_timer);
 }
 
 static void bt_hci_read_local_version_rp(struct bt_hci_s *hci)
@@ -1514,7 +1514,7 @@
         }
 
         hci->lm.inquire = 0;
-        qemu_del_timer(hci->lm.inquiry_done);
+        timer_del(hci->lm.inquiry_done);
         bt_hci_event_complete_status(hci, HCI_SUCCESS);
         break;
 
@@ -1552,8 +1552,8 @@
             break;
         }
         hci->lm.inquire = 0;
-        qemu_del_timer(hci->lm.inquiry_done);
-        qemu_del_timer(hci->lm.inquiry_next);
+        timer_del(hci->lm.inquiry_done);
+        timer_del(hci->lm.inquiry_next);
         bt_hci_event_complete_status(hci, HCI_SUCCESS);
         break;
 
@@ -2141,10 +2141,10 @@
 {
     struct bt_hci_s *s = g_malloc0(sizeof(struct bt_hci_s));
 
-    s->lm.inquiry_done = qemu_new_timer_ns(vm_clock, bt_hci_inquiry_done, s);
-    s->lm.inquiry_next = qemu_new_timer_ns(vm_clock, bt_hci_inquiry_next, s);
+    s->lm.inquiry_done = timer_new_ns(QEMU_CLOCK_VIRTUAL, bt_hci_inquiry_done, s);
+    s->lm.inquiry_next = timer_new_ns(QEMU_CLOCK_VIRTUAL, bt_hci_inquiry_next, s);
     s->conn_accept_timer =
-            qemu_new_timer_ns(vm_clock, bt_hci_conn_accept_timeout, s);
+            timer_new_ns(QEMU_CLOCK_VIRTUAL, bt_hci_conn_accept_timeout, s);
 
     s->evt_packet = bt_hci_evt_packet;
     s->evt_submit = bt_hci_evt_submit;
@@ -2209,9 +2209,9 @@
      * s->device.lmp_connection_complete to free the remaining bits once
      * hci->lm.awaiting_bdaddr[] is empty.  */
 
-    qemu_free_timer(hci->lm.inquiry_done);
-    qemu_free_timer(hci->lm.inquiry_next);
-    qemu_free_timer(hci->conn_accept_timer);
+    timer_free(hci->lm.inquiry_done);
+    timer_free(hci->lm.inquiry_next);
+    timer_free(hci->conn_accept_timer);
 
     g_free(hci);
 }
diff --git a/hw/bt/l2cap.c b/hw/bt/l2cap.c
index 521587a..2301d6f 100644
--- a/hw/bt/l2cap.c
+++ b/hw/bt/l2cap.c
@@ -166,9 +166,9 @@
 {
 #if 0
     if (ch->mode != L2CAP_MODE_BASIC && ch->rexmit)
-        qemu_mod_timer(ch->retransmission_timer);
+        timer_mod(ch->retransmission_timer);
     else
-        qemu_del_timer(ch->retransmission_timer);
+        timer_del(ch->retransmission_timer);
 #endif
 }
 
@@ -176,9 +176,9 @@
 {
 #if 0
     if (ch->mode != L2CAP_MODE_BASIC && !ch->rexmit)
-        qemu_mod_timer(ch->monitor_timer);
+        timer_mod(ch->monitor_timer);
     else
-        qemu_del_timer(ch->monitor_timer);
+        timer_del(ch->monitor_timer);
 #endif
 }
 
diff --git a/hw/char/cadence_uart.c b/hw/char/cadence_uart.c
index 3c2e960..f8ccbdd 100644
--- a/hw/char/cadence_uart.c
+++ b/hw/char/cadence_uart.c
@@ -141,9 +141,9 @@
 
 static void uart_tx_redo(UartState *s)
 {
-    uint64_t new_tx_time = qemu_get_clock_ns(vm_clock);
+    uint64_t new_tx_time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
 
-    qemu_mod_timer(s->tx_time_handle, new_tx_time + s->char_tx_time);
+    timer_mod(s->tx_time_handle, new_tx_time + s->char_tx_time);
 
     s->r[R_SR] |= UART_SR_INTR_TEMPTY;
 
@@ -265,7 +265,7 @@
 static void uart_write_rx_fifo(void *opaque, const uint8_t *buf, int size)
 {
     UartState *s = (UartState *)opaque;
-    uint64_t new_rx_time = qemu_get_clock_ns(vm_clock);
+    uint64_t new_rx_time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
     int i;
 
     if ((s->r[R_CR] & UART_CR_RX_DIS) || !(s->r[R_CR] & UART_CR_RX_EN)) {
@@ -291,7 +291,7 @@
                 s->r[R_SR] |= UART_SR_INTR_RTRIG;
             }
         }
-        qemu_mod_timer(s->fifo_trigger_handle, new_rx_time +
+        timer_mod(s->fifo_trigger_handle, new_rx_time +
                                                 (s->char_tx_time * 4));
     }
     uart_update_status(s);
@@ -452,10 +452,10 @@
     sysbus_init_mmio(dev, &s->iomem);
     sysbus_init_irq(dev, &s->irq);
 
-    s->fifo_trigger_handle = qemu_new_timer_ns(vm_clock,
+    s->fifo_trigger_handle = timer_new_ns(QEMU_CLOCK_VIRTUAL,
             (QEMUTimerCB *)fifo_trigger_update, s);
 
-    s->tx_time_handle = qemu_new_timer_ns(vm_clock,
+    s->tx_time_handle = timer_new_ns(QEMU_CLOCK_VIRTUAL,
             (QEMUTimerCB *)uart_tx_write, s);
 
     s->char_tx_time = (get_ticks_per_sec() / 9600) * 10;
diff --git a/hw/char/serial.c b/hw/char/serial.c
index 6025592..3978020 100644
--- a/hw/char/serial.c
+++ b/hw/char/serial.c
@@ -188,7 +188,7 @@
     uint8_t omsr;
     int flags;
 
-    qemu_del_timer(s->modem_status_poll);
+    timer_del(s->modem_status_poll);
 
     if (qemu_chr_fe_ioctl(s->chr,CHR_IOCTL_SERIAL_GET_TIOCM, &flags) == -ENOTSUP) {
         s->poll_msl = -1;
@@ -215,7 +215,7 @@
        We'll be lazy and poll only every 10ms, and only poll it at all if MSI interrupts are turned on */
 
     if (s->poll_msl)
-        qemu_mod_timer(s->modem_status_poll, qemu_get_clock_ns(vm_clock) + get_ticks_per_sec() / 100);
+        timer_mod(s->modem_status_poll, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + get_ticks_per_sec() / 100);
 }
 
 static gboolean serial_xmit(GIOChannel *chan, GIOCondition cond, void *opaque)
@@ -252,7 +252,7 @@
         s->tsr_retry = 0;
     }
 
-    s->last_xmit_ts = qemu_get_clock_ns(vm_clock);
+    s->last_xmit_ts = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
 
     if (s->lsr & UART_LSR_THRE) {
         s->lsr |= UART_LSR_TEMT;
@@ -306,7 +306,7 @@
                      s->poll_msl = 1;
                      serial_update_msl(s);
                 } else {
-                     qemu_del_timer(s->modem_status_poll);
+                     timer_del(s->modem_status_poll);
                      s->poll_msl = 0;
                 }
             }
@@ -329,7 +329,7 @@
         /* FIFO clear */
 
         if (val & UART_FCR_RFR) {
-            qemu_del_timer(s->fifo_timeout_timer);
+            timer_del(s->fifo_timeout_timer);
             s->timeout_ipending=0;
             fifo8_reset(&s->recv_fifo);
         }
@@ -397,7 +397,7 @@
                 qemu_chr_fe_ioctl(s->chr,CHR_IOCTL_SERIAL_SET_TIOCM, &flags);
                 /* Update the modem status after a one-character-send wait-time, since there may be a response
                    from the device/computer at the other end of the serial line */
-                qemu_mod_timer(s->modem_status_poll, qemu_get_clock_ns(vm_clock) + s->char_transmit_time);
+                timer_mod(s->modem_status_poll, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + s->char_transmit_time);
             }
         }
         break;
@@ -429,7 +429,7 @@
                 if (s->recv_fifo.num == 0) {
                     s->lsr &= ~(UART_LSR_DR | UART_LSR_BI);
                 } else {
-                    qemu_mod_timer(s->fifo_timeout_timer, qemu_get_clock_ns (vm_clock) + s->char_transmit_time * 4);
+                    timer_mod(s->fifo_timeout_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + s->char_transmit_time * 4);
                 }
                 s->timeout_ipending = 0;
             } else {
@@ -556,7 +556,7 @@
         }
         s->lsr |= UART_LSR_DR;
         /* call the timeout receive callback in 4 char transmit time */
-        qemu_mod_timer(s->fifo_timeout_timer, qemu_get_clock_ns (vm_clock) + s->char_transmit_time * 4);
+        timer_mod(s->fifo_timeout_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + s->char_transmit_time * 4);
     } else {
         if (s->lsr & UART_LSR_DR)
             s->lsr |= UART_LSR_OE;
@@ -635,7 +635,7 @@
     fifo8_reset(&s->recv_fifo);
     fifo8_reset(&s->xmit_fifo);
 
-    s->last_xmit_ts = qemu_get_clock_ns(vm_clock);
+    s->last_xmit_ts = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
 
     s->thr_ipending = 0;
     s->last_break_enable = 0;
@@ -649,9 +649,9 @@
         return;
     }
 
-    s->modem_status_poll = qemu_new_timer_ns(vm_clock, (QEMUTimerCB *) serial_update_msl, s);
+    s->modem_status_poll = timer_new_ns(QEMU_CLOCK_VIRTUAL, (QEMUTimerCB *) serial_update_msl, s);
 
-    s->fifo_timeout_timer = qemu_new_timer_ns(vm_clock, (QEMUTimerCB *) fifo_timeout_int, s);
+    s->fifo_timeout_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, (QEMUTimerCB *) fifo_timeout_int, s);
     qemu_register_reset(serial_reset, s);
 
     qemu_chr_add_handlers(s->chr, serial_can_receive1, serial_receive1,
diff --git a/hw/char/virtio-serial-bus.c b/hw/char/virtio-serial-bus.c
index da417c7..f23f555 100644
--- a/hw/char/virtio-serial-bus.c
+++ b/hw/char/virtio-serial-bus.c
@@ -603,7 +603,7 @@
         }
     }
     g_free(s->post_load->connected);
-    qemu_free_timer(s->post_load->timer);
+    timer_free(s->post_load->timer);
     g_free(s->post_load);
     s->post_load = NULL;
 }
@@ -618,7 +618,7 @@
     s->post_load->connected =
         g_malloc0(sizeof(*s->post_load->connected) * nr_active_ports);
 
-    s->post_load->timer = qemu_new_timer_ns(vm_clock,
+    s->post_load->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL,
                                             virtio_serial_post_load_timer_cb,
                                             s);
 
@@ -660,7 +660,7 @@
             }
         }
     }
-    qemu_mod_timer(s->post_load->timer, 1);
+    timer_mod(s->post_load->timer, 1);
     return 0;
 }
 
@@ -999,8 +999,8 @@
     g_free(vser->ports_map);
     if (vser->post_load) {
         g_free(vser->post_load->connected);
-        qemu_del_timer(vser->post_load->timer);
-        qemu_free_timer(vser->post_load->timer);
+        timer_del(vser->post_load->timer);
+        timer_free(vser->post_load->timer);
         g_free(vser->post_load);
     }
     virtio_cleanup(vdev);
diff --git a/hw/core/ptimer.c b/hw/core/ptimer.c
index 4bc96c9..3036bde 100644
--- a/hw/core/ptimer.c
+++ b/hw/core/ptimer.c
@@ -48,7 +48,7 @@
     if (s->period_frac) {
         s->next_event += ((int64_t)s->period_frac * s->delta) >> 32;
     }
-    qemu_mod_timer(s->timer, s->next_event);
+    timer_mod(s->timer, s->next_event);
 }
 
 static void ptimer_tick(void *opaque)
@@ -69,7 +69,7 @@
     uint64_t counter;
 
     if (s->enabled) {
-        now = qemu_get_clock_ns(vm_clock);
+        now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
         /* Figure out the current counter value.  */
         if (now - s->next_event > 0
             || s->period == 0) {
@@ -123,7 +123,7 @@
 {
     s->delta = count;
     if (s->enabled) {
-        s->next_event = qemu_get_clock_ns(vm_clock);
+        s->next_event = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
         ptimer_reload(s);
     }
 }
@@ -138,7 +138,7 @@
         return;
     }
     s->enabled = oneshot ? 2 : 1;
-    s->next_event = qemu_get_clock_ns(vm_clock);
+    s->next_event = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
     ptimer_reload(s);
 }
 
@@ -150,7 +150,7 @@
         return;
 
     s->delta = ptimer_get_count(s);
-    qemu_del_timer(s->timer);
+    timer_del(s->timer);
     s->enabled = 0;
 }
 
@@ -160,7 +160,7 @@
     s->period = period;
     s->period_frac = 0;
     if (s->enabled) {
-        s->next_event = qemu_get_clock_ns(vm_clock);
+        s->next_event = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
         ptimer_reload(s);
     }
 }
@@ -171,7 +171,7 @@
     s->period = 1000000000ll / freq;
     s->period_frac = (1000000000ll << 32) / freq;
     if (s->enabled) {
-        s->next_event = qemu_get_clock_ns(vm_clock);
+        s->next_event = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
         ptimer_reload(s);
     }
 }
@@ -197,7 +197,7 @@
     if (reload)
         s->delta = limit;
     if (s->enabled && reload) {
-        s->next_event = qemu_get_clock_ns(vm_clock);
+        s->next_event = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
         ptimer_reload(s);
     }
 }
@@ -226,6 +226,6 @@
 
     s = (ptimer_state *)g_malloc0(sizeof(ptimer_state));
     s->bh = bh;
-    s->timer = qemu_new_timer_ns(vm_clock, ptimer_tick, s);
+    s->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, ptimer_tick, s);
     return s;
 }
diff --git a/hw/display/qxl-logger.c b/hw/display/qxl-logger.c
index 3cd85d9..c900c2c 100644
--- a/hw/display/qxl-logger.c
+++ b/hw/display/qxl-logger.c
@@ -242,7 +242,7 @@
     if (!qxl->cmdlog) {
         return 0;
     }
-    fprintf(stderr, "%" PRId64 " qxl-%d/%s:", qemu_get_clock_ns(vm_clock),
+    fprintf(stderr, "%" PRId64 " qxl-%d/%s:", qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL),
             qxl->id, ring);
     fprintf(stderr, " cmd @ 0x%" PRIx64 " %s%s", ext->cmd.data,
             qxl_name(qxl_type, ext->cmd.type),
diff --git a/hw/display/qxl.c b/hw/display/qxl.c
index c537057..7649f2b 100644
--- a/hw/display/qxl.c
+++ b/hw/display/qxl.c
@@ -1596,7 +1596,7 @@
         trace_qxl_io_log(d->id, d->ram->log_buf);
         if (d->guestdebug) {
             fprintf(stderr, "qxl/guest-%d: %" PRId64 ": %s", d->id,
-                    qemu_get_clock_ns(vm_clock), d->ram->log_buf);
+                    qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), d->ram->log_buf);
         }
         break;
     case QXL_IO_RESET:
diff --git a/hw/display/vga.c b/hw/display/vga.c
index 06f44a8..7b91d9c 100644
--- a/hw/display/vga.c
+++ b/hw/display/vga.c
@@ -318,7 +318,7 @@
         int cur_line, cur_line_char, cur_char;
         int64_t cur_tick;
 
-        cur_tick = qemu_get_clock_ns(vm_clock);
+        cur_tick = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
 
         cur_char = (cur_tick / r->ticks_per_char) % r->total_chars;
         cur_line = cur_char / r->htotal;
@@ -1304,7 +1304,7 @@
     uint32_t *ch_attr_ptr;
     vga_draw_glyph8_func *vga_draw_glyph8;
     vga_draw_glyph9_func *vga_draw_glyph9;
-    int64_t now = qemu_get_clock_ms(vm_clock);
+    int64_t now = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL);
 
     /* compute font data address (in plane 2) */
     v = s->sr[VGA_SEQ_CHARACTER_MAP];
@@ -1907,7 +1907,7 @@
         }
         if (graphic_mode != s->graphic_mode) {
             s->graphic_mode = graphic_mode;
-            s->cursor_blink_time = qemu_get_clock_ms(vm_clock);
+            s->cursor_blink_time = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL);
             full_update = 1;
         }
         switch(graphic_mode) {
diff --git a/hw/dma/pl330.c b/hw/dma/pl330.c
index ddcc413..401399d 100644
--- a/hw/dma/pl330.c
+++ b/hw/dma/pl330.c
@@ -1256,7 +1256,7 @@
 
     if (s->periph_busy[irq] != level) {
         s->periph_busy[irq] = level;
-        qemu_mod_timer(s->timer, qemu_get_clock_ns(vm_clock));
+        timer_mod(s->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
     }
 }
 
@@ -1519,7 +1519,7 @@
         s->periph_busy[i] = 0;
     }
 
-    qemu_del_timer(s->timer);
+    timer_del(s->timer);
 }
 
 static void pl330_realize(DeviceState *dev, Error **errp)
@@ -1532,7 +1532,7 @@
                           "dma", PL330_IOMEM_SIZE);
     sysbus_init_mmio(SYS_BUS_DEVICE(dev), &s->iomem);
 
-    s->timer = qemu_new_timer_ns(vm_clock, pl330_exec_cycle_timer, s);
+    s->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, pl330_exec_cycle_timer, s);
 
     s->cfg[0] = (s->mgr_ns_at_rst ? 0x4 : 0) |
                 (s->num_periph_req > 0 ? 1 : 0) |
diff --git a/hw/dma/rc4030.c b/hw/dma/rc4030.c
index 4ec433f..af26632 100644
--- a/hw/dma/rc4030.c
+++ b/hw/dma/rc4030.c
@@ -107,7 +107,7 @@
 
     tm_hz = 1000 / (s->itr + 1);
 
-    qemu_mod_timer(s->periodic_timer, qemu_get_clock_ns(vm_clock) +
+    timer_mod(s->periodic_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
                    get_ticks_per_sec() / tm_hz);
 }
 
@@ -806,7 +806,7 @@
     *irqs = qemu_allocate_irqs(rc4030_irq_jazz_request, s, 16);
     *dmas = rc4030_allocate_dmas(s, 4);
 
-    s->periodic_timer = qemu_new_timer_ns(vm_clock, rc4030_periodic_timer, s);
+    s->periodic_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, rc4030_periodic_timer, s);
     s->timer_irq = timer;
     s->jazz_bus_irq = jazz_bus;
 
diff --git a/hw/dma/soc_dma.c b/hw/dma/soc_dma.c
index 5e3491d..c06aabb 100644
--- a/hw/dma/soc_dma.c
+++ b/hw/dma/soc_dma.c
@@ -84,10 +84,10 @@
 
 static void soc_dma_ch_schedule(struct soc_dma_ch_s *ch, int delay_bytes)
 {
-    int64_t now = qemu_get_clock_ns(vm_clock);
+    int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
     struct dma_s *dma = (struct dma_s *) ch->dma;
 
-    qemu_mod_timer(ch->timer, now + delay_bytes / dma->channel_freq);
+    timer_mod(ch->timer, now + delay_bytes / dma->channel_freq);
 }
 
 static void soc_dma_ch_run(void *opaque)
@@ -217,7 +217,7 @@
         ch->enable = level;
 
         if (!ch->enable)
-            qemu_del_timer(ch->timer);
+            timer_del(ch->timer);
         else if (!ch->running)
             soc_dma_ch_run(ch);
         else
@@ -246,7 +246,7 @@
     for (i = 0; i < n; i ++) {
         s->ch[i].dma = &s->soc;
         s->ch[i].num = i;
-        s->ch[i].timer = qemu_new_timer_ns(vm_clock, soc_dma_ch_run, &s->ch[i]);
+        s->ch[i].timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, soc_dma_ch_run, &s->ch[i]);
     }
 
     soc_dma_reset(&s->soc);
diff --git a/hw/i386/kvm/apic.c b/hw/i386/kvm/apic.c
index 179b806..5609063 100644
--- a/hw/i386/kvm/apic.c
+++ b/hw/i386/kvm/apic.c
@@ -79,7 +79,7 @@
     v = (s->divide_conf & 3) | ((s->divide_conf >> 1) & 4);
     s->count_shift = (v + 1) & 7;
 
-    s->initial_count_load_time = qemu_get_clock_ns(vm_clock);
+    s->initial_count_load_time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
     apic_next_timer(s, s->initial_count_load_time);
 }
 
diff --git a/hw/i386/kvm/i8254.c b/hw/i386/kvm/i8254.c
index c1f4094..20b6457 100644
--- a/hw/i386/kvm/i8254.c
+++ b/hw/i386/kvm/i8254.c
@@ -65,12 +65,12 @@
 
     /*
      * Measure the delta between CLOCK_MONOTONIC, the base used for
-     * kvm_pit_channel_state::count_load_time, and vm_clock. Take the
+     * kvm_pit_channel_state::count_load_time, and QEMU_CLOCK_VIRTUAL. Take the
      * minimum of several samples to filter out scheduling noise.
      */
     clock_offset = INT64_MAX;
     for (i = 0; i < CALIBRATION_ROUNDS; i++) {
-        offset = qemu_get_clock_ns(vm_clock);
+        offset = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
         clock_gettime(CLOCK_MONOTONIC, &ts);
         offset -= ts.tv_nsec;
         offset -= (int64_t)ts.tv_sec * 1000000000;
@@ -194,7 +194,7 @@
     case 5:
         if (sc->gate < val) {
             /* restart counting on rising edge */
-            sc->count_load_time = qemu_get_clock_ns(vm_clock);
+            sc->count_load_time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
         }
         break;
     }
diff --git a/hw/i386/xen_domainbuild.c b/hw/i386/xen_domainbuild.c
index 4e2cf95..c0ab753 100644
--- a/hw/i386/xen_domainbuild.c
+++ b/hw/i386/xen_domainbuild.c
@@ -148,7 +148,7 @@
         goto quit;
     }
 
-    qemu_mod_timer(xen_poll, qemu_get_clock_ms(rt_clock) + 1000);
+    timer_mod(xen_poll, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1000);
     return;
 
 quit:
@@ -290,8 +290,8 @@
         goto err;
     }
 
-    xen_poll = qemu_new_timer_ms(rt_clock, xen_domain_poll, NULL);
-    qemu_mod_timer(xen_poll, qemu_get_clock_ms(rt_clock) + 1000);
+    xen_poll = timer_new_ms(QEMU_CLOCK_REALTIME, xen_domain_poll, NULL);
+    timer_mod(xen_poll, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1000);
     return 0;
 
 err:
diff --git a/hw/ide/core.c b/hw/ide/core.c
index a73af72..399b1ba 100644
--- a/hw/ide/core.c
+++ b/hw/ide/core.c
@@ -768,8 +768,8 @@
            that at the expense of slower write performances. Use this
            option _only_ to install Windows 2000. You must disable it
            for normal use. */
-        qemu_mod_timer(s->sector_write_timer,
-                       qemu_get_clock_ns(vm_clock) + (get_ticks_per_sec() / 1000));
+        timer_mod(s->sector_write_timer,
+                       qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + (get_ticks_per_sec() / 1000));
     } else {
         ide_set_irq(s->bus);
     }
@@ -2163,7 +2163,7 @@
     s->smart_selftest_data = qemu_blockalign(s->bs, 512);
     memset(s->smart_selftest_data, 0, 512);
 
-    s->sector_write_timer = qemu_new_timer_ns(vm_clock,
+    s->sector_write_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL,
                                            ide_sector_write_timer_cb, s);
 }
 
diff --git a/hw/input/hid.c b/hw/input/hid.c
index 14b3125..bb0fa6a 100644
--- a/hw/input/hid.c
+++ b/hw/input/hid.c
@@ -85,8 +85,8 @@
 static void hid_del_idle_timer(HIDState *hs)
 {
     if (hs->idle_timer) {
-        qemu_del_timer(hs->idle_timer);
-        qemu_free_timer(hs->idle_timer);
+        timer_del(hs->idle_timer);
+        timer_free(hs->idle_timer);
         hs->idle_timer = NULL;
     }
 }
@@ -94,12 +94,12 @@
 void hid_set_next_idle(HIDState *hs)
 {
     if (hs->idle) {
-        uint64_t expire_time = qemu_get_clock_ns(vm_clock) +
+        uint64_t expire_time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
                                get_ticks_per_sec() * hs->idle * 4 / 1000;
         if (!hs->idle_timer) {
-            hs->idle_timer = qemu_new_timer_ns(vm_clock, hid_idle_timer, hs);
+            hs->idle_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, hid_idle_timer, hs);
         }
-        qemu_mod_timer_ns(hs->idle_timer, expire_time);
+        timer_mod_ns(hs->idle_timer, expire_time);
     } else {
         hid_del_idle_timer(hs);
     }
diff --git a/hw/input/lm832x.c b/hw/input/lm832x.c
index bacbeb2..f583cf0 100644
--- a/hw/input/lm832x.c
+++ b/hw/input/lm832x.c
@@ -365,7 +365,7 @@
             break;
         }
 
-        qemu_del_timer(s->pwm.tm[(value & 3) - 1]);
+        timer_del(s->pwm.tm[(value & 3) - 1]);
         break;
 
     case LM832x_GENERAL_ERROR:
@@ -463,9 +463,9 @@
     LM823KbdState *s = FROM_I2C_SLAVE(LM823KbdState, i2c);
 
     s->model = 0x8323;
-    s->pwm.tm[0] = qemu_new_timer_ns(vm_clock, lm_kbd_pwm0_tick, s);
-    s->pwm.tm[1] = qemu_new_timer_ns(vm_clock, lm_kbd_pwm1_tick, s);
-    s->pwm.tm[2] = qemu_new_timer_ns(vm_clock, lm_kbd_pwm2_tick, s);
+    s->pwm.tm[0] = timer_new_ns(QEMU_CLOCK_VIRTUAL, lm_kbd_pwm0_tick, s);
+    s->pwm.tm[1] = timer_new_ns(QEMU_CLOCK_VIRTUAL, lm_kbd_pwm1_tick, s);
+    s->pwm.tm[2] = timer_new_ns(QEMU_CLOCK_VIRTUAL, lm_kbd_pwm2_tick, s);
     qdev_init_gpio_out(&i2c->qdev, &s->nirq, 1);
 
     lm_kbd_reset(s);
diff --git a/hw/input/tsc2005.c b/hw/input/tsc2005.c
index fa9714b..21d4f4d 100644
--- a/hw/input/tsc2005.c
+++ b/hw/input/tsc2005.c
@@ -201,7 +201,7 @@
             fprintf(stderr, "%s: touchscreen sense %sabled\n",
                             __FUNCTION__, s->enabled ? "en" : "dis");
             if (s->busy && !s->enabled)
-                qemu_del_timer(s->timer);
+                timer_del(s->timer);
             s->busy &= s->enabled;
         }
         s->nextprecision = (data >> 13) & 1;
@@ -290,8 +290,8 @@
     s->precision = s->nextprecision;
     s->function = s->nextfunction;
     s->pdst = !s->pnd0;	/* Synchronised on internal clock */
-    expires = qemu_get_clock_ns(vm_clock) + (get_ticks_per_sec() >> 7);
-    qemu_mod_timer(s->timer, expires);
+    expires = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + (get_ticks_per_sec() >> 7);
+    timer_mod(s->timer, expires);
 }
 
 static void tsc2005_reset(TSC2005State *s)
@@ -337,7 +337,7 @@
                     fprintf(stderr, "%s: touchscreen sense %sabled\n",
                                     __FUNCTION__, s->enabled ? "en" : "dis");
                     if (s->busy && !s->enabled)
-                        qemu_del_timer(s->timer);
+                        timer_del(s->timer);
                     s->busy &= s->enabled;
                 }
                 tsc2005_pin_update(s);
@@ -529,7 +529,7 @@
     s->y = 240;
     s->pressure = 0;
     s->precision = s->nextprecision = 0;
-    s->timer = qemu_new_timer_ns(vm_clock, tsc2005_timer_tick, s);
+    s->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, tsc2005_timer_tick, s);
     s->pint = pintdav;
     s->model = 0x2005;
 
diff --git a/hw/input/tsc210x.c b/hw/input/tsc210x.c
index 96fdb84..485c9e5 100644
--- a/hw/input/tsc210x.c
+++ b/hw/input/tsc210x.c
@@ -503,9 +503,9 @@
         l_ch = 1;
         r_ch = 1;
         if (s->softstep && !(s->dac_power & (1 << 10))) {
-            l_ch = (qemu_get_clock_ns(vm_clock) >
+            l_ch = (qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) >
                             s->volume_change + TSC_SOFTSTEP_DELAY);
-            r_ch = (qemu_get_clock_ns(vm_clock) >
+            r_ch = (qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) >
                             s->volume_change + TSC_SOFTSTEP_DELAY);
         }
 
@@ -514,7 +514,7 @@
     case 0x05:	/* Stereo DAC Power Control */
         return 0x2aa0 | s->dac_power |
                 (((s->dac_power & (1 << 10)) &&
-                  (qemu_get_clock_ns(vm_clock) >
+                  (qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) >
                    s->powerdown + TSC_POWEROFF_DELAY)) << 6);
 
     case 0x06:	/* Audio Control 3 */
@@ -594,7 +594,7 @@
         s->host_mode = value >> 15;
         s->enabled = !(value & 0x4000);
         if (s->busy && !s->enabled)
-            qemu_del_timer(s->timer);
+            timer_del(s->timer);
         s->busy &= s->enabled;
         s->nextfunction = (value >> 10) & 0xf;
         s->nextprecision = (value >> 8) & 3;
@@ -629,7 +629,7 @@
     case 0x04:	/* Reset */
         if (value == 0xbb00) {
             if (s->busy)
-                qemu_del_timer(s->timer);
+                timer_del(s->timer);
             tsc210x_reset(s);
 #ifdef TSC_VERBOSE
         } else {
@@ -695,7 +695,7 @@
 
     case 0x02:	/* DAC Volume Control */
         s->volume = value;
-        s->volume_change = qemu_get_clock_ns(vm_clock);
+        s->volume_change = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
         return;
 
     case 0x03:
@@ -717,7 +717,7 @@
 
     case 0x05:	/* Stereo DAC Power Control */
         if ((value & ~s->dac_power) & (1 << 10))
-            s->powerdown = qemu_get_clock_ns(vm_clock);
+            s->powerdown = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
 
         s->dac_power = value & 0x9543;
 #ifdef TSC_VERBOSE
@@ -864,8 +864,8 @@
     s->busy = 1;
     s->precision = s->nextprecision;
     s->function = s->nextfunction;
-    expires = qemu_get_clock_ns(vm_clock) + (get_ticks_per_sec() >> 10);
-    qemu_mod_timer(s->timer, expires);
+    expires = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + (get_ticks_per_sec() >> 10);
+    timer_mod(s->timer, expires);
 }
 
 static uint16_t tsc210x_read(TSC210xState *s)
@@ -1005,7 +1005,7 @@
 static void tsc210x_save(QEMUFile *f, void *opaque)
 {
     TSC210xState *s = (TSC210xState *) opaque;
-    int64_t now = qemu_get_clock_ns(vm_clock);
+    int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
     int i;
 
     qemu_put_be16(f, s->x);
@@ -1051,7 +1051,7 @@
 static int tsc210x_load(QEMUFile *f, void *opaque, int version_id)
 {
     TSC210xState *s = (TSC210xState *) opaque;
-    int64_t now = qemu_get_clock_ns(vm_clock);
+    int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
     int i;
 
     s->x = qemu_get_be16(f);
@@ -1111,7 +1111,7 @@
     s->y = 160;
     s->pressure = 0;
     s->precision = s->nextprecision = 0;
-    s->timer = qemu_new_timer_ns(vm_clock, tsc210x_timer_tick, s);
+    s->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, tsc210x_timer_tick, s);
     s->pint = pint;
     s->model = 0x2102;
     s->name = "tsc2102";
@@ -1160,7 +1160,7 @@
     s->y = 240;
     s->pressure = 0;
     s->precision = s->nextprecision = 0;
-    s->timer = qemu_new_timer_ns(vm_clock, tsc210x_timer_tick, s);
+    s->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, tsc210x_timer_tick, s);
     s->pint = penirq;
     s->kbint = kbirq;
     s->davint = dav;
diff --git a/hw/intc/apic.c b/hw/intc/apic.c
index 5e3b96e..a913186 100644
--- a/hw/intc/apic.c
+++ b/hw/intc/apic.c
@@ -606,7 +606,7 @@
 {
     int64_t d;
     uint32_t val;
-    d = (qemu_get_clock_ns(vm_clock) - s->initial_count_load_time) >>
+    d = (qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) - s->initial_count_load_time) >>
         s->count_shift;
     if (s->lvt[APIC_LVT_TIMER] & APIC_LVT_TIMER_PERIODIC) {
         /* periodic */
@@ -623,9 +623,9 @@
 static void apic_timer_update(APICCommonState *s, int64_t current_time)
 {
     if (apic_next_timer(s, current_time)) {
-        qemu_mod_timer(s->timer, s->next_time);
+        timer_mod(s->timer, s->next_time);
     } else {
-        qemu_del_timer(s->timer);
+        timer_del(s->timer);
     }
 }
 
@@ -822,7 +822,7 @@
             int n = index - 0x32;
             s->lvt[n] = val;
             if (n == APIC_LVT_TIMER) {
-                apic_timer_update(s, qemu_get_clock_ns(vm_clock));
+                apic_timer_update(s, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
             } else if (n == APIC_LVT_LINT0 && apic_check_pic(s)) {
                 apic_update_irq(s);
             }
@@ -830,7 +830,7 @@
         break;
     case 0x38:
         s->initial_count = val;
-        s->initial_count_load_time = qemu_get_clock_ns(vm_clock);
+        s->initial_count_load_time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
         apic_timer_update(s, s->initial_count_load_time);
         break;
     case 0x39:
@@ -857,9 +857,9 @@
 static void apic_post_load(APICCommonState *s)
 {
     if (s->timer_expiry != -1) {
-        qemu_mod_timer(s->timer, s->timer_expiry);
+        timer_mod(s->timer, s->timer_expiry);
     } else {
-        qemu_del_timer(s->timer);
+        timer_del(s->timer);
     }
 }
 
@@ -876,7 +876,7 @@
     memory_region_init_io(&s->io_memory, OBJECT(s), &apic_io_ops, s, "apic-msi",
                           APIC_SPACE_SIZE);
 
-    s->timer = qemu_new_timer_ns(vm_clock, apic_timer, s);
+    s->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, apic_timer, s);
     local_apics[s->idx] = s;
 
     msi_supported = true;
diff --git a/hw/intc/apic_common.c b/hw/intc/apic_common.c
index b03e904..a0beb10 100644
--- a/hw/intc/apic_common.c
+++ b/hw/intc/apic_common.c
@@ -198,7 +198,7 @@
     s->wait_for_sipi = 1;
 
     if (s->timer) {
-        qemu_del_timer(s->timer);
+        timer_del(s->timer);
     }
     s->timer_expiry = -1;
 }
diff --git a/hw/intc/armv7m_nvic.c b/hw/intc/armv7m_nvic.c
index 178344b..6066fa6 100644
--- a/hw/intc/armv7m_nvic.c
+++ b/hw/intc/armv7m_nvic.c
@@ -78,9 +78,9 @@
 static void systick_reload(nvic_state *s, int reset)
 {
     if (reset)
-        s->systick.tick = qemu_get_clock_ns(vm_clock);
+        s->systick.tick = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
     s->systick.tick += (s->systick.reload + 1) * systick_scale(s);
-    qemu_mod_timer(s->systick.timer, s->systick.tick);
+    timer_mod(s->systick.timer, s->systick.tick);
 }
 
 static void systick_timer_tick(void * opaque)
@@ -103,7 +103,7 @@
     s->systick.control = 0;
     s->systick.reload = 0;
     s->systick.tick = 0;
-    qemu_del_timer(s->systick.timer);
+    timer_del(s->systick.timer);
 }
 
 /* The external routines use the hardware vector numbering, ie. the first
@@ -158,7 +158,7 @@
             int64_t t;
             if ((s->systick.control & SYSTICK_ENABLE) == 0)
                 return 0;
-            t = qemu_get_clock_ns(vm_clock);
+            t = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
             if (t >= s->systick.tick)
                 return 0;
             val = ((s->systick.tick - (t + 1)) / systick_scale(s)) + 1;
@@ -290,16 +290,16 @@
         s->systick.control &= 0xfffffff8;
         s->systick.control |= value & 7;
         if ((oldval ^ value) & SYSTICK_ENABLE) {
-            int64_t now = qemu_get_clock_ns(vm_clock);
+            int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
             if (value & SYSTICK_ENABLE) {
                 if (s->systick.tick) {
                     s->systick.tick += now;
-                    qemu_mod_timer(s->systick.timer, s->systick.tick);
+                    timer_mod(s->systick.timer, s->systick.tick);
                 } else {
                     systick_reload(s, 1);
                 }
             } else {
-                qemu_del_timer(s->systick.timer);
+                timer_del(s->systick.timer);
                 s->systick.tick -= now;
                 if (s->systick.tick < 0)
                   s->systick.tick = 0;
@@ -511,7 +511,7 @@
      * by the v7M architecture.
      */
     memory_region_add_subregion(get_system_memory(), 0xe000e000, &s->container);
-    s->systick.timer = qemu_new_timer_ns(vm_clock, systick_timer_tick, s);
+    s->systick.timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, systick_timer_tick, s);
 }
 
 static void armv7m_nvic_instance_init(Object *obj)
diff --git a/hw/intc/i8259.c b/hw/intc/i8259.c
index 1415bda..c6f248b 100644
--- a/hw/intc/i8259.c
+++ b/hw/intc/i8259.c
@@ -150,7 +150,7 @@
 #endif
 #ifdef DEBUG_IRQ_LATENCY
     if (level) {
-        irq_time[irq_index] = qemu_get_clock_ns(vm_clock);
+        irq_time[irq_index] = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
     }
 #endif
 
@@ -228,7 +228,7 @@
 #ifdef DEBUG_IRQ_LATENCY
     printf("IRQ%d latency=%0.3fus\n",
            irq,
-           (double)(qemu_get_clock_ns(vm_clock) -
+           (double)(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) -
                     irq_time[irq]) * 1000000.0 / get_ticks_per_sec());
 #endif
     DPRINTF("pic_interrupt: irq=%d\n", irq);
diff --git a/hw/mips/cputimer.c b/hw/mips/cputimer.c
index 739bbac..c8b4b00 100644
--- a/hw/mips/cputimer.c
+++ b/hw/mips/cputimer.c
@@ -47,11 +47,11 @@
     uint64_t now, next;
     uint32_t wait;
 
-    now = qemu_get_clock_ns(vm_clock);
+    now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
     wait = env->CP0_Compare - env->CP0_Count -
 	    (uint32_t)muldiv64(now, TIMER_FREQ, get_ticks_per_sec());
     next = now + muldiv64(wait, get_ticks_per_sec(), TIMER_FREQ);
-    qemu_mod_timer(env->timer, next);
+    timer_mod(env->timer, next);
 }
 
 /* Expire the timer.  */
@@ -71,7 +71,7 @@
     } else {
         uint64_t now;
 
-        now = qemu_get_clock_ns(vm_clock);
+        now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
         if (timer_pending(env->timer)
             && timer_expired(env->timer, now)) {
             /* The timer has already expired.  */
@@ -90,7 +90,7 @@
     else {
         /* Store new count register */
         env->CP0_Count =
-            count - (uint32_t)muldiv64(qemu_get_clock_ns(vm_clock),
+            count - (uint32_t)muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL),
                                        TIMER_FREQ, get_ticks_per_sec());
         /* Update timer timer */
         cpu_mips_timer_update(env);
@@ -115,7 +115,7 @@
 void cpu_mips_stop_count(CPUMIPSState *env)
 {
     /* Store the current value */
-    env->CP0_Count += (uint32_t)muldiv64(qemu_get_clock_ns(vm_clock),
+    env->CP0_Count += (uint32_t)muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL),
                                          TIMER_FREQ, get_ticks_per_sec());
 }
 
@@ -141,7 +141,7 @@
 
 void cpu_mips_clock_init (CPUMIPSState *env)
 {
-    env->timer = qemu_new_timer_ns(vm_clock, &mips_timer_cb, env);
+    env->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, &mips_timer_cb, env);
     env->CP0_Compare = 0;
     cpu_mips_store_count(env, 1);
 }
diff --git a/hw/misc/arm_sysctl.c b/hw/misc/arm_sysctl.c
index 4a911d4..0fc26d2 100644
--- a/hw/misc/arm_sysctl.c
+++ b/hw/misc/arm_sysctl.c
@@ -170,7 +170,7 @@
     case 0x58: /* BOOTCS */
         return 0;
     case 0x5c: /* 24MHz */
-        return muldiv64(qemu_get_clock_ns(vm_clock), 24000000, get_ticks_per_sec());
+        return muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), 24000000, get_ticks_per_sec());
     case 0x60: /* MISC */
         return 0;
     case 0x84: /* PROCID0 */
diff --git a/hw/misc/macio/cuda.c b/hw/misc/macio/cuda.c
index c0fd7da..c811b95 100644
--- a/hw/misc/macio/cuda.c
+++ b/hw/misc/macio/cuda.c
@@ -128,7 +128,7 @@
     int64_t d;
     unsigned int counter;
 
-    d = muldiv64(qemu_get_clock_ns(vm_clock) - s->load_time,
+    d = muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) - s->load_time,
                  CUDA_TIMER_FREQ, get_ticks_per_sec());
     if (s->index == 0) {
         /* the timer goes down from latch to -1 (period of latch + 2) */
@@ -147,7 +147,7 @@
 static void set_counter(CUDAState *s, CUDATimer *ti, unsigned int val)
 {
     CUDA_DPRINTF("T%d.counter=%d\n", 1 + (ti->timer == NULL), val);
-    ti->load_time = qemu_get_clock_ns(vm_clock);
+    ti->load_time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
     ti->counter_value = val;
     cuda_timer_update(s, ti, ti->load_time);
 }
@@ -191,10 +191,10 @@
     if (!ti->timer)
         return;
     if ((s->acr & T1MODE) != T1MODE_CONT) {
-        qemu_del_timer(ti->timer);
+        timer_del(ti->timer);
     } else {
         ti->next_irq_time = get_next_irq_time(ti, current_time);
-        qemu_mod_timer(ti->timer, ti->next_irq_time);
+        timer_mod(ti->timer, ti->next_irq_time);
     }
 }
 
@@ -304,7 +304,7 @@
         break;
     case 4:
         s->timers[0].latch = (s->timers[0].latch & 0xff00) | val;
-        cuda_timer_update(s, &s->timers[0], qemu_get_clock_ns(vm_clock));
+        cuda_timer_update(s, &s->timers[0], qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
         break;
     case 5:
         s->timers[0].latch = (s->timers[0].latch & 0xff) | (val << 8);
@@ -313,12 +313,12 @@
         break;
     case 6:
         s->timers[0].latch = (s->timers[0].latch & 0xff00) | val;
-        cuda_timer_update(s, &s->timers[0], qemu_get_clock_ns(vm_clock));
+        cuda_timer_update(s, &s->timers[0], qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
         break;
     case 7:
         s->timers[0].latch = (s->timers[0].latch & 0xff) | (val << 8);
         s->ifr &= ~T1_INT;
-        cuda_timer_update(s, &s->timers[0], qemu_get_clock_ns(vm_clock));
+        cuda_timer_update(s, &s->timers[0], qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
         break;
     case 8:
         s->timers[1].latch = val;
@@ -332,7 +332,7 @@
         break;
     case 11:
         s->acr = val;
-        cuda_timer_update(s, &s->timers[0], qemu_get_clock_ns(vm_clock));
+        cuda_timer_update(s, &s->timers[0], qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
         cuda_update(s);
         break;
     case 12:
@@ -463,8 +463,8 @@
         obuf[1] = 0x40; /* polled data */
         cuda_send_packet_to_host(s, obuf, olen + 2);
     }
-    qemu_mod_timer(s->adb_poll_timer,
-                   qemu_get_clock_ns(vm_clock) +
+    timer_mod(s->adb_poll_timer,
+                   qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
                    (get_ticks_per_sec() / CUDA_ADB_POLL_FREQ));
 }
 
@@ -481,11 +481,11 @@
         if (autopoll != s->autopoll) {
             s->autopoll = autopoll;
             if (autopoll) {
-                qemu_mod_timer(s->adb_poll_timer,
-                               qemu_get_clock_ns(vm_clock) +
+                timer_mod(s->adb_poll_timer,
+                               qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
                                (get_ticks_per_sec() / CUDA_ADB_POLL_FREQ));
             } else {
-                qemu_del_timer(s->adb_poll_timer);
+                timer_del(s->adb_poll_timer);
             }
         }
         obuf[0] = CUDA_PACKET;
@@ -494,14 +494,14 @@
         break;
     case CUDA_SET_TIME:
         ti = (((uint32_t)data[1]) << 24) + (((uint32_t)data[2]) << 16) + (((uint32_t)data[3]) << 8) + data[4];
-        s->tick_offset = ti - (qemu_get_clock_ns(vm_clock) / get_ticks_per_sec());
+        s->tick_offset = ti - (qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) / get_ticks_per_sec());
         obuf[0] = CUDA_PACKET;
         obuf[1] = 0;
         obuf[2] = 0;
         cuda_send_packet_to_host(s, obuf, 3);
         break;
     case CUDA_GET_TIME:
-        ti = s->tick_offset + (qemu_get_clock_ns(vm_clock) / get_ticks_per_sec());
+        ti = s->tick_offset + (qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) / get_ticks_per_sec());
         obuf[0] = CUDA_PACKET;
         obuf[1] = 0;
         obuf[2] = 0;
@@ -689,12 +689,12 @@
     CUDAState *s = CUDA(dev);
     struct tm tm;
 
-    s->timers[0].timer = qemu_new_timer_ns(vm_clock, cuda_timer1, s);
+    s->timers[0].timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, cuda_timer1, s);
 
     qemu_get_timedate(&tm, 0);
     s->tick_offset = (uint32_t)mktimegm(&tm) + RTC_OFFSET;
 
-    s->adb_poll_timer = qemu_new_timer_ns(vm_clock, cuda_adb_poll, s);
+    s->adb_poll_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, cuda_adb_poll, s);
 }
 
 static void cuda_initfn(Object *obj)
diff --git a/hw/misc/macio/macio.c b/hw/misc/macio/macio.c
index c0d0bf7..9cc33d8 100644
--- a/hw/misc/macio/macio.c
+++ b/hw/misc/macio/macio.c
@@ -245,10 +245,10 @@
 
     switch (addr) {
     case 0x38:
-        value = qemu_get_clock_ns(vm_clock);
+        value = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
         break;
     case 0x3c:
-        value = qemu_get_clock_ns(vm_clock) >> 32;
+        value = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) >> 32;
         break;
     }
 
diff --git a/hw/misc/vfio.c b/hw/misc/vfio.c
index 017e693..d215e29 100644
--- a/hw/misc/vfio.c
+++ b/hw/misc/vfio.c
@@ -276,8 +276,8 @@
     VFIODevice *vdev = opaque;
 
     if (vdev->intx.pending) {
-        qemu_mod_timer(vdev->intx.mmap_timer,
-                       qemu_get_clock_ms(vm_clock) + vdev->intx.mmap_timeout);
+        timer_mod(vdev->intx.mmap_timer,
+                       qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) + vdev->intx.mmap_timeout);
         return;
     }
 
@@ -300,8 +300,8 @@
     qemu_set_irq(vdev->pdev.irq[vdev->intx.pin], 1);
     vfio_mmap_set_enabled(vdev, false);
     if (vdev->intx.mmap_timeout) {
-        qemu_mod_timer(vdev->intx.mmap_timer,
-                       qemu_get_clock_ms(vm_clock) + vdev->intx.mmap_timeout);
+        timer_mod(vdev->intx.mmap_timer,
+                       qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) + vdev->intx.mmap_timeout);
     }
 }
 
@@ -543,7 +543,7 @@
 {
     int fd;
 
-    qemu_del_timer(vdev->intx.mmap_timer);
+    timer_del(vdev->intx.mmap_timer);
     vfio_disable_intx_kvm(vdev);
     vfio_disable_irqindex(vdev, VFIO_PCI_INTX_IRQ_INDEX);
     vdev->intx.pending = false;
@@ -3176,7 +3176,7 @@
     }
 
     if (vfio_pci_read_config(&vdev->pdev, PCI_INTERRUPT_PIN, 1)) {
-        vdev->intx.mmap_timer = qemu_new_timer_ms(vm_clock,
+        vdev->intx.mmap_timer = timer_new_ms(QEMU_CLOCK_VIRTUAL,
                                                   vfio_intx_mmap_enable, vdev);
         pci_device_set_intx_routing_notifier(&vdev->pdev, vfio_update_irq);
         ret = vfio_enable_intx(vdev);
@@ -3210,7 +3210,7 @@
     pci_device_set_intx_routing_notifier(&vdev->pdev, NULL);
     vfio_disable_interrupts(vdev);
     if (vdev->intx.mmap_timer) {
-        qemu_free_timer(vdev->intx.mmap_timer);
+        timer_free(vdev->intx.mmap_timer);
     }
     vfio_teardown_msi(vdev);
     vfio_unmap_bars(vdev);
diff --git a/hw/net/dp8393x.c b/hw/net/dp8393x.c
index 049aa70..789d385 100644
--- a/hw/net/dp8393x.c
+++ b/hw/net/dp8393x.c
@@ -274,7 +274,7 @@
 
 static void do_software_reset(dp8393xState *s)
 {
-    qemu_del_timer(s->watchdog);
+    timer_del(s->watchdog);
 
     s->regs[SONIC_CR] &= ~(SONIC_CR_LCAM | SONIC_CR_RRRA | SONIC_CR_TXP | SONIC_CR_HTX);
     s->regs[SONIC_CR] |= SONIC_CR_RST | SONIC_CR_RXDIS;
@@ -286,14 +286,14 @@
     int64_t delay;
 
     if (s->regs[SONIC_CR] & SONIC_CR_STP) {
-        qemu_del_timer(s->watchdog);
+        timer_del(s->watchdog);
         return;
     }
 
     ticks = s->regs[SONIC_WT1] << 16 | s->regs[SONIC_WT0];
-    s->wt_last_update = qemu_get_clock_ns(vm_clock);
+    s->wt_last_update = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
     delay = get_ticks_per_sec() * ticks / 5000000;
-    qemu_mod_timer(s->watchdog, s->wt_last_update + delay);
+    timer_mod(s->watchdog, s->wt_last_update + delay);
 }
 
 static void update_wt_regs(dp8393xState *s)
@@ -302,11 +302,11 @@
     uint32_t val;
 
     if (s->regs[SONIC_CR] & SONIC_CR_STP) {
-        qemu_del_timer(s->watchdog);
+        timer_del(s->watchdog);
         return;
     }
 
-    elapsed = s->wt_last_update - qemu_get_clock_ns(vm_clock);
+    elapsed = s->wt_last_update - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
     val = s->regs[SONIC_WT1] << 16 | s->regs[SONIC_WT0];
     val -= elapsed / 5000000;
     s->regs[SONIC_WT1] = (val >> 16) & 0xffff;
@@ -838,7 +838,7 @@
 static void nic_reset(void *opaque)
 {
     dp8393xState *s = opaque;
-    qemu_del_timer(s->watchdog);
+    timer_del(s->watchdog);
 
     s->regs[SONIC_CR] = SONIC_CR_RST | SONIC_CR_STP | SONIC_CR_RXDIS;
     s->regs[SONIC_DCR] &= ~(SONIC_DCR_EXBUS | SONIC_DCR_LBR);
@@ -866,8 +866,8 @@
     memory_region_del_subregion(s->address_space, &s->mmio);
     memory_region_destroy(&s->mmio);
 
-    qemu_del_timer(s->watchdog);
-    qemu_free_timer(s->watchdog);
+    timer_del(s->watchdog);
+    timer_free(s->watchdog);
 
     g_free(s);
 }
@@ -896,7 +896,7 @@
     s->memory_rw = memory_rw;
     s->it_shift = it_shift;
     s->irq = irq;
-    s->watchdog = qemu_new_timer_ns(vm_clock, dp8393x_watchdog, s);
+    s->watchdog = timer_new_ns(QEMU_CLOCK_VIRTUAL, dp8393x_watchdog, s);
     s->regs[SONIC_SR] = 0x0004; /* only revision recognized by Linux */
 
     s->conf.macaddr = nd->macaddr;
diff --git a/hw/net/e1000.c b/hw/net/e1000.c
index fdb1f89..f5ebed4 100644
--- a/hw/net/e1000.c
+++ b/hw/net/e1000.c
@@ -190,7 +190,7 @@
         e1000_link_down(s);
         s->phy_reg[PHY_STATUS] &= ~MII_SR_AUTONEG_COMPLETE;
         DBGOUT(PHY, "Start link auto negotiation\n");
-        qemu_mod_timer(s->autoneg_timer, qemu_get_clock_ms(vm_clock) + 500);
+        timer_mod(s->autoneg_timer, qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) + 500);
     }
 }
 
@@ -306,7 +306,7 @@
     uint8_t *macaddr = d->conf.macaddr.a;
     int i;
 
-    qemu_del_timer(d->autoneg_timer);
+    timer_del(d->autoneg_timer);
     memset(d->phy_reg, 0, sizeof d->phy_reg);
     memmove(d->phy_reg, phy_reg_init, sizeof phy_reg_init);
     memset(d->mac_reg, 0, sizeof d->mac_reg);
@@ -1184,7 +1184,7 @@
         s->phy_reg[PHY_CTRL] & MII_CR_RESTART_AUTO_NEG &&
         !(s->phy_reg[PHY_STATUS] & MII_SR_AUTONEG_COMPLETE)) {
         nc->link_down = false;
-        qemu_mod_timer(s->autoneg_timer, qemu_get_clock_ms(vm_clock) + 500);
+        timer_mod(s->autoneg_timer, qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) + 500);
     }
 
     return 0;
@@ -1314,8 +1314,8 @@
 {
     E1000State *d = E1000(dev);
 
-    qemu_del_timer(d->autoneg_timer);
-    qemu_free_timer(d->autoneg_timer);
+    timer_del(d->autoneg_timer);
+    timer_free(d->autoneg_timer);
     memory_region_destroy(&d->mmio);
     memory_region_destroy(&d->io);
     qemu_del_nic(d->nic);
@@ -1370,7 +1370,7 @@
 
     add_boot_device_path(d->conf.bootindex, dev, "/ethernet-phy@0");
 
-    d->autoneg_timer = qemu_new_timer_ms(vm_clock, e1000_autoneg_timer, d);
+    d->autoneg_timer = timer_new_ms(QEMU_CLOCK_VIRTUAL, e1000_autoneg_timer, d);
 
     return 0;
 }
diff --git a/hw/net/lan9118.c b/hw/net/lan9118.c
index 2c838f6..2315f99 100644
--- a/hw/net/lan9118.c
+++ b/hw/net/lan9118.c
@@ -439,7 +439,7 @@
     s->afc_cfg = 0;
     s->e2p_cmd = 0;
     s->e2p_data = 0;
-    s->free_timer_start = qemu_get_clock_ns(vm_clock) / 40;
+    s->free_timer_start = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) / 40;
 
     ptimer_stop(s->timer);
     ptimer_set_count(s->timer, 0xffff);
@@ -1236,7 +1236,7 @@
     case CSR_WORD_SWAP:
         return s->word_swap;
     case CSR_FREE_RUN:
-        return (qemu_get_clock_ns(vm_clock) / 40) - s->free_timer_start;
+        return (qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) / 40) - s->free_timer_start;
     case CSR_RX_DROP:
         /* TODO: Implement dropped frames counter.  */
         return 0;
diff --git a/hw/net/pcnet-pci.c b/hw/net/pcnet-pci.c
index 2c2301c..a893165 100644
--- a/hw/net/pcnet-pci.c
+++ b/hw/net/pcnet-pci.c
@@ -284,8 +284,8 @@
 
     memory_region_destroy(&d->state.mmio);
     memory_region_destroy(&d->io_bar);
-    qemu_del_timer(d->state.poll_timer);
-    qemu_free_timer(d->state.poll_timer);
+    timer_del(d->state.poll_timer);
+    timer_free(d->state.poll_timer);
     qemu_del_nic(d->state.nic);
 }
 
diff --git a/hw/net/pcnet.c b/hw/net/pcnet.c
index 63aa73a..7cb47b3 100644
--- a/hw/net/pcnet.c
+++ b/hw/net/pcnet.c
@@ -1331,7 +1331,7 @@
 {
     PCNetState *s = opaque;
 
-    qemu_del_timer(s->poll_timer);
+    timer_del(s->poll_timer);
 
     if (CSR_TDMD(s)) {
         pcnet_transmit(s);
@@ -1340,7 +1340,7 @@
     pcnet_update_irq(s);
 
     if (!CSR_STOP(s) && !CSR_SPND(s) && !CSR_DPOLL(s)) {
-        uint64_t now = qemu_get_clock_ns(vm_clock) * 33;
+        uint64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) * 33;
         if (!s->timer || !now)
             s->timer = now;
         else {
@@ -1351,8 +1351,8 @@
             } else
                 CSR_POLL(s) = t;
         }
-        qemu_mod_timer(s->poll_timer,
-            pcnet_get_next_poll_time(s,qemu_get_clock_ns(vm_clock)));
+        timer_mod(s->poll_timer,
+            pcnet_get_next_poll_time(s,qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL)));
     }
 }
 
@@ -1731,7 +1731,7 @@
     int i;
     uint16_t checksum;
 
-    s->poll_timer = qemu_new_timer_ns(vm_clock, pcnet_poll_timer, s);
+    s->poll_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, pcnet_poll_timer, s);
 
     qemu_macaddr_default_if_unset(&s->conf.macaddr);
     s->nic = qemu_new_nic(info, &s->conf, object_get_typename(OBJECT(dev)), dev->id, s);
diff --git a/hw/net/rtl8139.c b/hw/net/rtl8139.c
index ee3b690..c31199f 100644
--- a/hw/net/rtl8139.c
+++ b/hw/net/rtl8139.c
@@ -2648,7 +2648,7 @@
 
     s->IntrMask = val;
 
-    rtl8139_set_next_tctr_time(s, qemu_get_clock_ns(vm_clock));
+    rtl8139_set_next_tctr_time(s, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
     rtl8139_update_irq(s);
 
 }
@@ -2689,7 +2689,7 @@
      * and probably emulated is slower is better to assume this resetting was
      * done before testing on previous rtl8139_update_irq lead to IRQ losing
      */
-    rtl8139_set_next_tctr_time(s, qemu_get_clock_ns(vm_clock));
+    rtl8139_set_next_tctr_time(s, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
     rtl8139_update_irq(s);
 
 #endif
@@ -2697,7 +2697,7 @@
 
 static uint32_t rtl8139_IntrStatus_read(RTL8139State *s)
 {
-    rtl8139_set_next_tctr_time(s, qemu_get_clock_ns(vm_clock));
+    rtl8139_set_next_tctr_time(s, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
 
     uint32_t ret = s->IntrStatus;
 
@@ -2913,7 +2913,7 @@
     s->TimerExpire = next_time;
 
     if ((s->IntrMask & PCSTimeout) != 0 && (s->IntrStatus & PCSTimeout) == 0) {
-        qemu_mod_timer(s->timer, next_time);
+        timer_mod(s->timer, next_time);
     }
 }
 
@@ -2960,7 +2960,7 @@
 
         case Timer:
             DPRINTF("TCTR Timer reset on write\n");
-            s->TCTR_base = qemu_get_clock_ns(vm_clock);
+            s->TCTR_base = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
             rtl8139_set_next_tctr_time(s, s->TCTR_base);
             break;
 
@@ -2968,7 +2968,7 @@
             DPRINTF("FlashReg TimerInt write val=0x%08x\n", val);
             if (s->TimerInt != val) {
                 s->TimerInt = val;
-                rtl8139_set_next_tctr_time(s, qemu_get_clock_ns(vm_clock));
+                rtl8139_set_next_tctr_time(s, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
             }
             break;
 
@@ -3183,7 +3183,7 @@
             break;
 
         case Timer:
-            ret = muldiv64(qemu_get_clock_ns(vm_clock) - s->TCTR_base,
+            ret = muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) - s->TCTR_base,
                            PCI_FREQUENCY, get_ticks_per_sec());
             DPRINTF("TCTR Timer read val=0x%08x\n", ret);
             break;
@@ -3245,7 +3245,7 @@
 static int rtl8139_post_load(void *opaque, int version_id)
 {
     RTL8139State* s = opaque;
-    rtl8139_set_next_tctr_time(s, qemu_get_clock_ns(vm_clock));
+    rtl8139_set_next_tctr_time(s, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
     if (version_id < 4) {
         s->cplus_enabled = s->CpCmd != 0;
     }
@@ -3275,7 +3275,7 @@
 static void rtl8139_pre_save(void *opaque)
 {
     RTL8139State* s = opaque;
-    int64_t current_time = qemu_get_clock_ns(vm_clock);
+    int64_t current_time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
 
     /* set IntrStatus correctly */
     rtl8139_set_next_tctr_time(s, current_time);
@@ -3446,7 +3446,7 @@
 
     s->IntrStatus |= PCSTimeout;
     rtl8139_update_irq(s);
-    rtl8139_set_next_tctr_time(s, qemu_get_clock_ns(vm_clock));
+    rtl8139_set_next_tctr_time(s, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
 }
 
 static void rtl8139_cleanup(NetClientState *nc)
@@ -3466,8 +3466,8 @@
         g_free(s->cplus_txbuffer);
         s->cplus_txbuffer = NULL;
     }
-    qemu_del_timer(s->timer);
-    qemu_free_timer(s->timer);
+    timer_del(s->timer);
+    timer_free(s->timer);
     qemu_del_nic(s->nic);
 }
 
@@ -3535,8 +3535,8 @@
     s->cplus_txbuffer_offset = 0;
 
     s->TimerExpire = 0;
-    s->timer = qemu_new_timer_ns(vm_clock, rtl8139_timer, s);
-    rtl8139_set_next_tctr_time(s, qemu_get_clock_ns(vm_clock));
+    s->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, rtl8139_timer, s);
+    rtl8139_set_next_tctr_time(s, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
 
     add_boot_device_path(s->conf.bootindex, d, "/ethernet-phy@0");
 
diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index aa1880c..dd41008 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
@@ -162,14 +162,14 @@
 
         if (virtio_net_started(n, queue_status) && !n->vhost_started) {
             if (q->tx_timer) {
-                qemu_mod_timer(q->tx_timer,
-                               qemu_get_clock_ns(vm_clock) + n->tx_timeout);
+                timer_mod(q->tx_timer,
+                               qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + n->tx_timeout);
             } else {
                 qemu_bh_schedule(q->tx_bh);
             }
         } else {
             if (q->tx_timer) {
-                qemu_del_timer(q->tx_timer);
+                timer_del(q->tx_timer);
             } else {
                 qemu_bh_cancel(q->tx_bh);
             }
@@ -1131,12 +1131,12 @@
 
     if (q->tx_waiting) {
         virtio_queue_set_notification(vq, 1);
-        qemu_del_timer(q->tx_timer);
+        timer_del(q->tx_timer);
         q->tx_waiting = 0;
         virtio_net_flush_tx(q);
     } else {
-        qemu_mod_timer(q->tx_timer,
-                       qemu_get_clock_ns(vm_clock) + n->tx_timeout);
+        timer_mod(q->tx_timer,
+                       qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + n->tx_timeout);
         q->tx_waiting = 1;
         virtio_queue_set_notification(vq, 0);
     }
@@ -1233,7 +1233,7 @@
         if (n->vqs[i].tx_timer) {
             n->vqs[i].tx_vq =
                 virtio_add_queue(vdev, 256, virtio_net_handle_tx_timer);
-            n->vqs[i].tx_timer = qemu_new_timer_ns(vm_clock,
+            n->vqs[i].tx_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL,
                                                    virtio_net_tx_timer,
                                                    &n->vqs[i]);
         } else {
@@ -1513,7 +1513,7 @@
     if (n->net_conf.tx && !strcmp(n->net_conf.tx, "timer")) {
         n->vqs[0].tx_vq = virtio_add_queue(vdev, 256,
                                            virtio_net_handle_tx_timer);
-        n->vqs[0].tx_timer = qemu_new_timer_ns(vm_clock, virtio_net_tx_timer,
+        n->vqs[0].tx_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, virtio_net_tx_timer,
                                                &n->vqs[0]);
     } else {
         n->vqs[0].tx_vq = virtio_add_queue(vdev, 256,
@@ -1598,8 +1598,8 @@
         qemu_purge_queued_packets(nc);
 
         if (q->tx_timer) {
-            qemu_del_timer(q->tx_timer);
-            qemu_free_timer(q->tx_timer);
+            timer_del(q->tx_timer);
+            timer_free(q->tx_timer);
         } else {
             qemu_bh_delete(q->tx_bh);
         }
diff --git a/hw/openrisc/cputimer.c b/hw/openrisc/cputimer.c
index 9a09f5c..988ca20 100644
--- a/hw/openrisc/cputimer.c
+++ b/hw/openrisc/cputimer.c
@@ -33,9 +33,9 @@
     uint64_t now, next;
     uint32_t wait;
 
-    now = qemu_get_clock_ns(vm_clock);
+    now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
     if (!is_counting) {
-        qemu_del_timer(cpu->env.timer);
+        timer_del(cpu->env.timer);
         last_clk = now;
         return;
     }
@@ -52,7 +52,7 @@
     }
 
     next = now + muldiv64(wait, get_ticks_per_sec(), TIMER_FREQ);
-    qemu_mod_timer(cpu->env.timer, next);
+    timer_mod(cpu->env.timer, next);
 }
 
 void cpu_openrisc_count_start(OpenRISCCPU *cpu)
@@ -72,7 +72,7 @@
     OpenRISCCPU *cpu = opaque;
 
     if ((cpu->env.ttmr & TTMR_IE) &&
-         timer_expired(cpu->env.timer, qemu_get_clock_ns(vm_clock))) {
+         timer_expired(cpu->env.timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL))) {
         CPUState *cs = CPU(cpu);
 
         cpu->env.ttmr |= TTMR_IP;
@@ -97,7 +97,7 @@
 
 void cpu_openrisc_clock_init(OpenRISCCPU *cpu)
 {
-    cpu->env.timer = qemu_new_timer_ns(vm_clock, &openrisc_timer_cb, cpu);
+    cpu->env.timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, &openrisc_timer_cb, cpu);
     cpu->env.ttmr = 0x00000000;
     cpu->env.ttcr = 0x00000000;
 }
diff --git a/hw/ppc/ppc.c b/hw/ppc/ppc.c
index e1c095c..59b41cb 100644
--- a/hw/ppc/ppc.c
+++ b/hw/ppc/ppc.c
@@ -471,7 +471,7 @@
         return env->spr[SPR_TBL];
     }
 
-    tb = cpu_ppc_get_tb(tb_env, qemu_get_clock_ns(vm_clock), tb_env->tb_offset);
+    tb = cpu_ppc_get_tb(tb_env, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), tb_env->tb_offset);
     LOG_TB("%s: tb %016" PRIx64 "\n", __func__, tb);
 
     return tb;
@@ -482,7 +482,7 @@
     ppc_tb_t *tb_env = env->tb_env;
     uint64_t tb;
 
-    tb = cpu_ppc_get_tb(tb_env, qemu_get_clock_ns(vm_clock), tb_env->tb_offset);
+    tb = cpu_ppc_get_tb(tb_env, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), tb_env->tb_offset);
     LOG_TB("%s: tb %016" PRIx64 "\n", __func__, tb);
 
     return tb >> 32;
@@ -510,9 +510,9 @@
     ppc_tb_t *tb_env = env->tb_env;
     uint64_t tb;
 
-    tb = cpu_ppc_get_tb(tb_env, qemu_get_clock_ns(vm_clock), tb_env->tb_offset);
+    tb = cpu_ppc_get_tb(tb_env, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), tb_env->tb_offset);
     tb &= 0xFFFFFFFF00000000ULL;
-    cpu_ppc_store_tb(tb_env, qemu_get_clock_ns(vm_clock),
+    cpu_ppc_store_tb(tb_env, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL),
                      &tb_env->tb_offset, tb | (uint64_t)value);
 }
 
@@ -521,9 +521,9 @@
     ppc_tb_t *tb_env = env->tb_env;
     uint64_t tb;
 
-    tb = cpu_ppc_get_tb(tb_env, qemu_get_clock_ns(vm_clock), tb_env->tb_offset);
+    tb = cpu_ppc_get_tb(tb_env, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), tb_env->tb_offset);
     tb &= 0x00000000FFFFFFFFULL;
-    cpu_ppc_store_tb(tb_env, qemu_get_clock_ns(vm_clock),
+    cpu_ppc_store_tb(tb_env, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL),
                      &tb_env->tb_offset, ((uint64_t)value << 32) | tb);
 }
 
@@ -537,7 +537,7 @@
     ppc_tb_t *tb_env = env->tb_env;
     uint64_t tb;
 
-    tb = cpu_ppc_get_tb(tb_env, qemu_get_clock_ns(vm_clock), tb_env->atb_offset);
+    tb = cpu_ppc_get_tb(tb_env, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), tb_env->atb_offset);
     LOG_TB("%s: tb %016" PRIx64 "\n", __func__, tb);
 
     return tb;
@@ -548,7 +548,7 @@
     ppc_tb_t *tb_env = env->tb_env;
     uint64_t tb;
 
-    tb = cpu_ppc_get_tb(tb_env, qemu_get_clock_ns(vm_clock), tb_env->atb_offset);
+    tb = cpu_ppc_get_tb(tb_env, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), tb_env->atb_offset);
     LOG_TB("%s: tb %016" PRIx64 "\n", __func__, tb);
 
     return tb >> 32;
@@ -559,9 +559,9 @@
     ppc_tb_t *tb_env = env->tb_env;
     uint64_t tb;
 
-    tb = cpu_ppc_get_tb(tb_env, qemu_get_clock_ns(vm_clock), tb_env->atb_offset);
+    tb = cpu_ppc_get_tb(tb_env, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), tb_env->atb_offset);
     tb &= 0xFFFFFFFF00000000ULL;
-    cpu_ppc_store_tb(tb_env, qemu_get_clock_ns(vm_clock),
+    cpu_ppc_store_tb(tb_env, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL),
                      &tb_env->atb_offset, tb | (uint64_t)value);
 }
 
@@ -570,9 +570,9 @@
     ppc_tb_t *tb_env = env->tb_env;
     uint64_t tb;
 
-    tb = cpu_ppc_get_tb(tb_env, qemu_get_clock_ns(vm_clock), tb_env->atb_offset);
+    tb = cpu_ppc_get_tb(tb_env, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), tb_env->atb_offset);
     tb &= 0x00000000FFFFFFFFULL;
-    cpu_ppc_store_tb(tb_env, qemu_get_clock_ns(vm_clock),
+    cpu_ppc_store_tb(tb_env, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL),
                      &tb_env->atb_offset, ((uint64_t)value << 32) | tb);
 }
 
@@ -583,7 +583,7 @@
 
     /* If the time base is already frozen, do nothing */
     if (tb_env->tb_freq != 0) {
-        vmclk = qemu_get_clock_ns(vm_clock);
+        vmclk = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
         /* Get the time base */
         tb = cpu_ppc_get_tb(tb_env, vmclk, tb_env->tb_offset);
         /* Get the alternate time base */
@@ -605,7 +605,7 @@
 
     /* If the time base is not frozen, do nothing */
     if (tb_env->tb_freq == 0) {
-        vmclk = qemu_get_clock_ns(vm_clock);
+        vmclk = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
         /* Get the time base from tb_offset */
         tb = tb_env->tb_offset;
         /* Get the alternate time base from atb_offset */
@@ -625,7 +625,7 @@
     uint32_t decr;
     int64_t diff;
 
-    diff = next - qemu_get_clock_ns(vm_clock);
+    diff = next - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
     if (diff >= 0) {
         decr = muldiv64(diff, tb_env->decr_freq, get_ticks_per_sec());
     } else if (tb_env->flags & PPC_TIMER_BOOKE) {
@@ -661,7 +661,7 @@
     ppc_tb_t *tb_env = env->tb_env;
     uint64_t diff;
 
-    diff = qemu_get_clock_ns(vm_clock) - tb_env->purr_start;
+    diff = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) - tb_env->purr_start;
 
     return tb_env->purr_load + muldiv64(diff, tb_env->tb_freq, get_ticks_per_sec());
 }
@@ -701,7 +701,7 @@
         return;
     }
 
-    now = qemu_get_clock_ns(vm_clock);
+    now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
     next = now + muldiv64(value, get_ticks_per_sec(), tb_env->decr_freq);
     if (is_excp) {
         next += *nextp - now;
@@ -711,7 +711,7 @@
     }
     *nextp = next;
     /* Adjust timer */
-    qemu_mod_timer(timer, next);
+    timer_mod(timer, next);
 
     /* If we set a negative value and the decrementer was positive, raise an
      * exception.
@@ -776,7 +776,7 @@
     ppc_tb_t *tb_env = cpu->env.tb_env;
 
     tb_env->purr_load = value;
-    tb_env->purr_start = qemu_get_clock_ns(vm_clock);
+    tb_env->purr_start = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
 }
 
 static void cpu_ppc_set_tb_clk (void *opaque, uint32_t freq)
@@ -806,11 +806,11 @@
     env->tb_env = tb_env;
     tb_env->flags = PPC_DECR_UNDERFLOW_TRIGGERED;
     /* Create new timer */
-    tb_env->decr_timer = qemu_new_timer_ns(vm_clock, &cpu_ppc_decr_cb, cpu);
+    tb_env->decr_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, &cpu_ppc_decr_cb, cpu);
     if (0) {
         /* XXX: find a suitable condition to enable the hypervisor decrementer
          */
-        tb_env->hdecr_timer = qemu_new_timer_ns(vm_clock, &cpu_ppc_hdecr_cb,
+        tb_env->hdecr_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, &cpu_ppc_hdecr_cb,
                                                 cpu);
     } else {
         tb_env->hdecr_timer = NULL;
@@ -877,7 +877,7 @@
     cpu = ppc_env_get_cpu(env);
     tb_env = env->tb_env;
     ppc40x_timer = tb_env->opaque;
-    now = qemu_get_clock_ns(vm_clock);
+    now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
     switch ((env->spr[SPR_40x_TCR] >> 24) & 0x3) {
     case 0:
         next = 1 << 9;
@@ -898,7 +898,7 @@
     next = now + muldiv64(next, get_ticks_per_sec(), tb_env->tb_freq);
     if (next == now)
         next++;
-    qemu_mod_timer(ppc40x_timer->fit_timer, next);
+    timer_mod(ppc40x_timer->fit_timer, next);
     env->spr[SPR_40x_TSR] |= 1 << 26;
     if ((env->spr[SPR_40x_TCR] >> 23) & 0x1) {
         ppc_set_irq(cpu, PPC_INTERRUPT_FIT, 1);
@@ -920,18 +920,18 @@
         (is_excp && !((env->spr[SPR_40x_TCR] >> 22) & 0x1))) {
         /* Stop PIT */
         LOG_TB("%s: stop PIT\n", __func__);
-        qemu_del_timer(tb_env->decr_timer);
+        timer_del(tb_env->decr_timer);
     } else {
         LOG_TB("%s: start PIT %016" PRIx64 "\n",
                     __func__, ppc40x_timer->pit_reload);
-        now = qemu_get_clock_ns(vm_clock);
+        now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
         next = now + muldiv64(ppc40x_timer->pit_reload,
                               get_ticks_per_sec(), tb_env->decr_freq);
         if (is_excp)
             next += tb_env->decr_next - now;
         if (next == now)
             next++;
-        qemu_mod_timer(tb_env->decr_timer, next);
+        timer_mod(tb_env->decr_timer, next);
         tb_env->decr_next = next;
     }
 }
@@ -973,7 +973,7 @@
     cpu = ppc_env_get_cpu(env);
     tb_env = env->tb_env;
     ppc40x_timer = tb_env->opaque;
-    now = qemu_get_clock_ns(vm_clock);
+    now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
     switch ((env->spr[SPR_40x_TCR] >> 30) & 0x3) {
     case 0:
         next = 1 << 17;
@@ -999,12 +999,12 @@
     switch ((env->spr[SPR_40x_TSR] >> 30) & 0x3) {
     case 0x0:
     case 0x1:
-        qemu_mod_timer(ppc40x_timer->wdt_timer, next);
+        timer_mod(ppc40x_timer->wdt_timer, next);
         ppc40x_timer->wdt_next = next;
         env->spr[SPR_40x_TSR] |= 1 << 31;
         break;
     case 0x2:
-        qemu_mod_timer(ppc40x_timer->wdt_timer, next);
+        timer_mod(ppc40x_timer->wdt_timer, next);
         ppc40x_timer->wdt_next = next;
         env->spr[SPR_40x_TSR] |= 1 << 30;
         if ((env->spr[SPR_40x_TCR] >> 27) & 0x1) {
@@ -1076,11 +1076,11 @@
     LOG_TB("%s freq %" PRIu32 "\n", __func__, freq);
     if (ppc40x_timer != NULL) {
         /* We use decr timer for PIT */
-        tb_env->decr_timer = qemu_new_timer_ns(vm_clock, &cpu_4xx_pit_cb, env);
+        tb_env->decr_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, &cpu_4xx_pit_cb, env);
         ppc40x_timer->fit_timer =
-            qemu_new_timer_ns(vm_clock, &cpu_4xx_fit_cb, env);
+            timer_new_ns(QEMU_CLOCK_VIRTUAL, &cpu_4xx_fit_cb, env);
         ppc40x_timer->wdt_timer =
-            qemu_new_timer_ns(vm_clock, &cpu_4xx_wdt_cb, env);
+            timer_new_ns(QEMU_CLOCK_VIRTUAL, &cpu_4xx_wdt_cb, env);
         ppc40x_timer->decr_excp = decr_excp;
     }
 
diff --git a/hw/ppc/ppc405_uc.c b/hw/ppc/ppc405_uc.c
index 290f71a..0ef5254 100644
--- a/hw/ppc/ppc405_uc.c
+++ b/hw/ppc/ppc405_uc.c
@@ -1348,7 +1348,7 @@
     switch (addr) {
     case 0x00:
         /* Time base counter */
-        ret = muldiv64(qemu_get_clock_ns(vm_clock) + gpt->tb_offset,
+        ret = muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + gpt->tb_offset,
                        gpt->tb_freq, get_ticks_per_sec());
         break;
     case 0x10:
@@ -1405,7 +1405,7 @@
     case 0x00:
         /* Time base counter */
         gpt->tb_offset = muldiv64(value, get_ticks_per_sec(), gpt->tb_freq)
-            - qemu_get_clock_ns(vm_clock);
+            - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
         ppc4xx_gpt_compute_timer(gpt);
         break;
     case 0x10:
@@ -1476,7 +1476,7 @@
     int i;
 
     gpt = opaque;
-    qemu_del_timer(gpt->timer);
+    timer_del(gpt->timer);
     gpt->oe = 0x00000000;
     gpt->ol = 0x00000000;
     gpt->im = 0x00000000;
@@ -1497,7 +1497,7 @@
     for (i = 0; i < 5; i++) {
         gpt->irqs[i] = irqs[i];
     }
-    gpt->timer = qemu_new_timer_ns(vm_clock, &ppc4xx_gpt_cb, gpt);
+    gpt->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, &ppc4xx_gpt_cb, gpt);
 #ifdef DEBUG_GPT
     printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
 #endif
diff --git a/hw/ppc/ppc_booke.c b/hw/ppc/ppc_booke.c
index 000c27f..8bbfc72 100644
--- a/hw/ppc/ppc_booke.c
+++ b/hw/ppc/ppc_booke.c
@@ -136,7 +136,7 @@
     uint64_t period;
     uint64_t now;
 
-    now = qemu_get_clock_ns(vm_clock);
+    now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
     tb  = cpu_ppc_get_tb(tb_env, now, tb_env->tb_offset);
     period = 1ULL << target_bit;
     delta_tick = period - (tb & (period - 1));
@@ -167,7 +167,7 @@
         (*next)++;
     }
 
-    qemu_mod_timer(timer, *next);
+    timer_mod(timer, *next);
 }
 
 static void booke_decr_cb(void *opaque)
@@ -303,12 +303,12 @@
     tb_env->tb_freq    = freq;
     tb_env->decr_freq  = freq;
     tb_env->opaque     = booke_timer;
-    tb_env->decr_timer = qemu_new_timer_ns(vm_clock, &booke_decr_cb, cpu);
+    tb_env->decr_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, &booke_decr_cb, cpu);
 
     booke_timer->fit_timer =
-        qemu_new_timer_ns(vm_clock, &booke_fit_cb, cpu);
+        timer_new_ns(QEMU_CLOCK_VIRTUAL, &booke_fit_cb, cpu);
     booke_timer->wdt_timer =
-        qemu_new_timer_ns(vm_clock, &booke_wdt_cb, cpu);
+        timer_new_ns(QEMU_CLOCK_VIRTUAL, &booke_wdt_cb, cpu);
 
     ret = kvmppc_booke_watchdog_enable(cpu);
 
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 16bfab9..4b566aa 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -789,7 +789,7 @@
 {
     int htabslots = HTAB_SIZE(spapr) / HASH_PTE_SIZE_64;
     int index = spapr->htab_save_index;
-    int64_t starttime = qemu_get_clock_ns(rt_clock);
+    int64_t starttime = qemu_clock_get_ns(QEMU_CLOCK_REALTIME);
 
     assert(spapr->htab_first_pass);
 
@@ -820,7 +820,7 @@
             qemu_put_buffer(f, HPTE(spapr->htab, chunkstart),
                             HASH_PTE_SIZE_64 * n_valid);
 
-            if ((qemu_get_clock_ns(rt_clock) - starttime) > max_ns) {
+            if ((qemu_clock_get_ns(QEMU_CLOCK_REALTIME) - starttime) > max_ns) {
                 break;
             }
         }
@@ -841,7 +841,7 @@
     int htabslots = HTAB_SIZE(spapr) / HASH_PTE_SIZE_64;
     int examined = 0, sent = 0;
     int index = spapr->htab_save_index;
-    int64_t starttime = qemu_get_clock_ns(rt_clock);
+    int64_t starttime = qemu_clock_get_ns(QEMU_CLOCK_REALTIME);
 
     assert(!spapr->htab_first_pass);
 
@@ -886,7 +886,7 @@
                             HASH_PTE_SIZE_64 * n_valid);
             sent += index - chunkstart;
 
-            if (!final && (qemu_get_clock_ns(rt_clock) - starttime) > max_ns) {
+            if (!final && (qemu_clock_get_ns(QEMU_CLOCK_REALTIME) - starttime) > max_ns) {
                 break;
             }
         }
diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c
index d2dbddc..1483e19 100644
--- a/hw/sd/sdhci.c
+++ b/hw/sd/sdhci.c
@@ -134,8 +134,8 @@
     SDHCIState *s = (SDHCIState *)opaque;
 
     if (s->norintsts & SDHC_NIS_REMOVE) {
-        qemu_mod_timer(s->insert_timer,
-                       qemu_get_clock_ns(vm_clock) + SDHC_INSERTION_DELAY);
+        timer_mod(s->insert_timer,
+                       qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + SDHC_INSERTION_DELAY);
     } else {
         s->prnsts = 0x1ff0000;
         if (s->norintstsen & SDHC_NISEN_INSERT) {
@@ -152,8 +152,8 @@
 
     if ((s->norintsts & SDHC_NIS_REMOVE) && level) {
         /* Give target some time to notice card ejection */
-        qemu_mod_timer(s->insert_timer,
-                       qemu_get_clock_ns(vm_clock) + SDHC_INSERTION_DELAY);
+        timer_mod(s->insert_timer,
+                       qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + SDHC_INSERTION_DELAY);
     } else {
         if (level) {
             s->prnsts = 0x1ff0000;
@@ -186,8 +186,8 @@
 
 static void sdhci_reset(SDHCIState *s)
 {
-    qemu_del_timer(s->insert_timer);
-    qemu_del_timer(s->transfer_timer);
+    timer_del(s->insert_timer);
+    timer_del(s->transfer_timer);
     /* Set all registers to 0. Capabilities registers are not cleared
      * and assumed to always preserve their value, given to them during
      * initialization */
@@ -764,8 +764,8 @@
     }
 
     /* we have unfinished business - reschedule to continue ADMA */
-    qemu_mod_timer(s->transfer_timer,
-                   qemu_get_clock_ns(vm_clock) + SDHC_TRANSFER_DELAY);
+    timer_mod(s->transfer_timer,
+                   qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + SDHC_TRANSFER_DELAY);
 }
 
 /* Perform data transfer according to controller configuration */
@@ -1170,18 +1170,18 @@
     s->ro_cb = qemu_allocate_irqs(sdhci_card_readonly_cb, s, 1)[0];
     sd_set_cb(s->card, s->ro_cb, s->eject_cb);
 
-    s->insert_timer = qemu_new_timer_ns(vm_clock, sdhci_raise_insertion_irq, s);
-    s->transfer_timer = qemu_new_timer_ns(vm_clock, sdhci_do_data_transfer, s);
+    s->insert_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, sdhci_raise_insertion_irq, s);
+    s->transfer_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, sdhci_do_data_transfer, s);
 }
 
 static void sdhci_uninitfn(Object *obj)
 {
     SDHCIState *s = SDHCI(obj);
 
-    qemu_del_timer(s->insert_timer);
-    qemu_free_timer(s->insert_timer);
-    qemu_del_timer(s->transfer_timer);
-    qemu_free_timer(s->transfer_timer);
+    timer_del(s->insert_timer);
+    timer_free(s->insert_timer);
+    timer_del(s->transfer_timer);
+    timer_free(s->transfer_timer);
     qemu_free_irqs(&s->eject_cb);
     qemu_free_irqs(&s->ro_cb);
 
diff --git a/hw/sparc64/sun4u.c b/hw/sparc64/sun4u.c
index 2165bb0..50a9f24 100644
--- a/hw/sparc64/sun4u.c
+++ b/hw/sparc64/sun4u.c
@@ -387,9 +387,9 @@
     timer->disabled_mask = disabled_mask;
 
     timer->disabled = 1;
-    timer->clock_offset = qemu_get_clock_ns(vm_clock);
+    timer->clock_offset = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
 
-    timer->qtimer = qemu_new_timer_ns(vm_clock, cb, cpu);
+    timer->qtimer = timer_new_ns(QEMU_CLOCK_VIRTUAL, cb, cpu);
 
     return timer;
 }
@@ -397,9 +397,9 @@
 static void cpu_timer_reset(CPUTimer *timer)
 {
     timer->disabled = 1;
-    timer->clock_offset = qemu_get_clock_ns(vm_clock);
+    timer->clock_offset = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
 
-    qemu_del_timer(timer->qtimer);
+    timer_del(timer->qtimer);
 }
 
 static void main_cpu_reset(void *opaque)
@@ -495,7 +495,7 @@
     uint64_t real_count = count & ~timer->disabled_mask;
     uint64_t disabled_bit = count & timer->disabled_mask;
 
-    int64_t vm_clock_offset = qemu_get_clock_ns(vm_clock) -
+    int64_t vm_clock_offset = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) -
                     cpu_to_timer_ticks(real_count, timer->frequency);
 
     TIMER_DPRINTF("%s set_count count=0x%016lx (%s) p=%p\n",
@@ -509,7 +509,7 @@
 uint64_t cpu_tick_get_count(CPUTimer *timer)
 {
     uint64_t real_count = timer_to_cpu_ticks(
-                    qemu_get_clock_ns(vm_clock) - timer->clock_offset,
+                    qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) - timer->clock_offset,
                     timer->frequency);
 
     TIMER_DPRINTF("%s get_count count=0x%016lx (%s) p=%p\n",
@@ -524,7 +524,7 @@
 
 void cpu_tick_set_limit(CPUTimer *timer, uint64_t limit)
 {
-    int64_t now = qemu_get_clock_ns(vm_clock);
+    int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
 
     uint64_t real_limit = limit & ~timer->disabled_mask;
     timer->disabled = (limit & timer->disabled_mask) ? 1 : 0;
@@ -548,11 +548,11 @@
     if (!real_limit) {
         TIMER_DPRINTF("%s set_limit limit=ZERO - not starting timer\n",
                 timer->name);
-        qemu_del_timer(timer->qtimer);
+        timer_del(timer->qtimer);
     } else if (timer->disabled) {
-        qemu_del_timer(timer->qtimer);
+        timer_del(timer->qtimer);
     } else {
-        qemu_mod_timer(timer->qtimer, expires);
+        timer_mod(timer->qtimer, expires);
     }
 }
 
diff --git a/hw/timer/arm_mptimer.c b/hw/timer/arm_mptimer.c
index 9277315..8020c9f 100644
--- a/hw/timer/arm_mptimer.c
+++ b/hw/timer/arm_mptimer.c
@@ -81,10 +81,10 @@
         return;
     }
     if (restart) {
-        tb->tick = qemu_get_clock_ns(vm_clock);
+        tb->tick = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
     }
     tb->tick += (int64_t)tb->count * timerblock_scale(tb);
-    qemu_mod_timer(tb->timer, tb->tick);
+    timer_mod(tb->timer, tb->tick);
 }
 
 static void timerblock_tick(void *opaque)
@@ -113,7 +113,7 @@
             return 0;
         }
         /* Slow and ugly, but hopefully won't happen too often.  */
-        val = tb->tick - qemu_get_clock_ns(vm_clock);
+        val = tb->tick - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
         val /= timerblock_scale(tb);
         if (val < 0) {
             val = 0;
@@ -140,7 +140,7 @@
     case 4: /* Counter.  */
         if ((tb->control & 1) && tb->count) {
             /* Cancel the previous timer.  */
-            qemu_del_timer(tb->timer);
+            timer_del(tb->timer);
         }
         tb->count = value;
         if (tb->control & 1) {
@@ -211,7 +211,7 @@
     tb->status = 0;
     tb->tick = 0;
     if (tb->timer) {
-        qemu_del_timer(tb->timer);
+        timer_del(tb->timer);
     }
 }
 
@@ -248,7 +248,7 @@
     sysbus_init_mmio(dev, &s->iomem);
     for (i = 0; i < s->num_cpu; i++) {
         TimerBlock *tb = &s->timerblock[i];
-        tb->timer = qemu_new_timer_ns(vm_clock, timerblock_tick, tb);
+        tb->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, timerblock_tick, tb);
         sysbus_init_irq(dev, &tb->irq);
         memory_region_init_io(&tb->iomem, OBJECT(s), &timerblock_ops, tb,
                               "arm_mptimer_timerblock", 0x20);
diff --git a/hw/timer/cadence_ttc.c b/hw/timer/cadence_ttc.c
index 888f9ce..a279bce 100644
--- a/hw/timer/cadence_ttc.c
+++ b/hw/timer/cadence_ttc.c
@@ -172,7 +172,7 @@
     event_interval = next_value - (int64_t)s->reg_value;
     event_interval = (event_interval < 0) ? -event_interval : event_interval;
 
-    qemu_mod_timer(s->timer, s->cpu_time +
+    timer_mod(s->timer, s->cpu_time +
                 cadence_timer_get_ns(s, event_interval));
 }
 
@@ -184,7 +184,7 @@
             (int64_t)s->reg_interval + 1 : 0x10000ULL) << 16;
     uint64_t old_time = s->cpu_time;
 
-    s->cpu_time = qemu_get_clock_ns(vm_clock);
+    s->cpu_time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
     DB_PRINT("cpu time: %lld ns\n", (long long)old_time);
 
     if (!s->cpu_time_valid || old_time == s->cpu_time) {
@@ -401,7 +401,7 @@
 
     cadence_timer_reset(s);
 
-    s->timer = qemu_new_timer_ns(vm_clock, cadence_timer_tick, s);
+    s->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, cadence_timer_tick, s);
 }
 
 static int cadence_ttc_init(SysBusDevice *dev)
diff --git a/hw/timer/etraxfs_timer.c b/hw/timer/etraxfs_timer.c
index a38d9e4..aee4990 100644
--- a/hw/timer/etraxfs_timer.c
+++ b/hw/timer/etraxfs_timer.c
@@ -93,7 +93,7 @@
         r = ptimer_get_count(t->ptimer_t1);
         break;
     case R_TIME:
-        r = qemu_get_clock_ns(vm_clock) / 10;
+        r = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) / 10;
         break;
     case RW_INTR_MASK:
         r = t->rw_intr_mask;
diff --git a/hw/timer/exynos4210_mct.c b/hw/timer/exynos4210_mct.c
index 13b1889..86f4fcd 100644
--- a/hw/timer/exynos4210_mct.c
+++ b/hw/timer/exynos4210_mct.c
@@ -906,7 +906,7 @@
         /* raise interrupt if enabled */
         if (s->reg.int_enb & L_INT_INTENB_ICNTEIE) {
 #ifdef DEBUG_MCT
-            time2[s->id] = qemu_get_clock_ns(vm_clock);
+            time2[s->id] = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
             DPRINTF("local timer[%d] IRQ: %llx\n", s->id,
                     time2[s->id] - time1[s->id]);
             time1[s->id] = time2[s->id];
diff --git a/hw/timer/hpet.c b/hw/timer/hpet.c
index 648b383..fcd22ae 100644
--- a/hw/timer/hpet.c
+++ b/hw/timer/hpet.c
@@ -152,7 +152,7 @@
 
 static uint64_t hpet_get_ticks(HPETState *s)
 {
-    return ns_to_ticks(qemu_get_clock_ns(vm_clock) + s->hpet_offset);
+    return ns_to_ticks(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + s->hpet_offset);
 }
 
 /*
@@ -233,7 +233,7 @@
     HPETState *s = opaque;
 
     /* Recalculate the offset between the main counter and guest time */
-    s->hpet_offset = ticks_to_ns(s->hpet_counter) - qemu_get_clock_ns(vm_clock);
+    s->hpet_offset = ticks_to_ns(s->hpet_counter) - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
 
     /* Push number of timers into capability returned via HPET_ID */
     s->capability &= ~HPET_ID_NUM_TIM_MASK;
@@ -332,12 +332,12 @@
             }
         }
         diff = hpet_calculate_diff(t, cur_tick);
-        qemu_mod_timer(t->qemu_timer,
-                       qemu_get_clock_ns(vm_clock) + (int64_t)ticks_to_ns(diff));
+        timer_mod(t->qemu_timer,
+                       qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + (int64_t)ticks_to_ns(diff));
     } else if (t->config & HPET_TN_32BIT && !timer_is_periodic(t)) {
         if (t->wrap_flag) {
             diff = hpet_calculate_diff(t, cur_tick);
-            qemu_mod_timer(t->qemu_timer, qemu_get_clock_ns(vm_clock) +
+            timer_mod(t->qemu_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
                            (int64_t)ticks_to_ns(diff));
             t->wrap_flag = 0;
         }
@@ -365,13 +365,13 @@
             t->wrap_flag = 1;
         }
     }
-    qemu_mod_timer(t->qemu_timer,
-                   qemu_get_clock_ns(vm_clock) + (int64_t)ticks_to_ns(diff));
+    timer_mod(t->qemu_timer,
+                   qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + (int64_t)ticks_to_ns(diff));
 }
 
 static void hpet_del_timer(HPETTimer *t)
 {
-    qemu_del_timer(t->qemu_timer);
+    timer_del(t->qemu_timer);
     update_irq(t, 0);
 }
 
@@ -567,7 +567,7 @@
             if (activating_bit(old_val, new_val, HPET_CFG_ENABLE)) {
                 /* Enable main counter and interrupt generation. */
                 s->hpet_offset =
-                    ticks_to_ns(s->hpet_counter) - qemu_get_clock_ns(vm_clock);
+                    ticks_to_ns(s->hpet_counter) - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
                 for (i = 0; i < s->num_timers; i++) {
                     if ((&s->timer[i])->cmp != ~0ULL) {
                         hpet_set_timer(&s->timer[i]);
@@ -726,7 +726,7 @@
     }
     for (i = 0; i < HPET_MAX_TIMERS; i++) {
         timer = &s->timer[i];
-        timer->qemu_timer = qemu_new_timer_ns(vm_clock, hpet_timer, timer);
+        timer->qemu_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, hpet_timer, timer);
         timer->tn = i;
         timer->state = s;
     }
diff --git a/hw/timer/i8254.c b/hw/timer/i8254.c
index cd52140..cdbf481 100644
--- a/hw/timer/i8254.c
+++ b/hw/timer/i8254.c
@@ -51,7 +51,7 @@
     uint64_t d;
     int counter;
 
-    d = muldiv64(qemu_get_clock_ns(vm_clock) - s->count_load_time, PIT_FREQ,
+    d = muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) - s->count_load_time, PIT_FREQ,
                  get_ticks_per_sec());
     switch(s->mode) {
     case 0:
@@ -85,7 +85,7 @@
     case 5:
         if (sc->gate < val) {
             /* restart counting on rising edge */
-            sc->count_load_time = qemu_get_clock_ns(vm_clock);
+            sc->count_load_time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
             pit_irq_timer_update(sc, sc->count_load_time);
         }
         break;
@@ -93,7 +93,7 @@
     case 3:
         if (sc->gate < val) {
             /* restart counting on rising edge */
-            sc->count_load_time = qemu_get_clock_ns(vm_clock);
+            sc->count_load_time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
             pit_irq_timer_update(sc, sc->count_load_time);
         }
         /* XXX: disable/enable counting */
@@ -106,7 +106,7 @@
 {
     if (val == 0)
         val = 0x10000;
-    s->count_load_time = qemu_get_clock_ns(vm_clock);
+    s->count_load_time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
     s->count = val;
     pit_irq_timer_update(s, s->count_load_time);
 }
@@ -143,7 +143,7 @@
                         /* XXX: add BCD and null count */
                         s->status =
                             (pit_get_out(s,
-                                         qemu_get_clock_ns(vm_clock)) << 7) |
+                                         qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL)) << 7) |
                             (s->rw_mode << 4) |
                             (s->mode << 1) |
                             s->bcd;
@@ -260,9 +260,9 @@
 #endif
     s->next_transition_time = expire_time;
     if (expire_time != -1)
-        qemu_mod_timer(s->irq_timer, expire_time);
+        timer_mod(s->irq_timer, expire_time);
     else
-        qemu_del_timer(s->irq_timer);
+        timer_del(s->irq_timer);
 }
 
 static void pit_irq_timer(void *opaque)
@@ -281,7 +281,7 @@
 
     s = &pit->channels[0];
     if (!s->irq_disabled) {
-        qemu_mod_timer(s->irq_timer, s->next_transition_time);
+        timer_mod(s->irq_timer, s->next_transition_time);
     }
 }
 
@@ -294,10 +294,10 @@
 
     if (enable) {
         s->irq_disabled = 0;
-        pit_irq_timer_update(s, qemu_get_clock_ns(vm_clock));
+        pit_irq_timer_update(s, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
     } else {
         s->irq_disabled = 1;
-        qemu_del_timer(s->irq_timer);
+        timer_del(s->irq_timer);
     }
 }
 
@@ -316,9 +316,9 @@
     PITChannelState *sc = &s->channels[0];
 
     if (sc->next_transition_time != -1) {
-        qemu_mod_timer(sc->irq_timer, sc->next_transition_time);
+        timer_mod(sc->irq_timer, sc->next_transition_time);
     } else {
-        qemu_del_timer(sc->irq_timer);
+        timer_del(sc->irq_timer);
     }
 }
 
@@ -330,7 +330,7 @@
 
     s = &pit->channels[0];
     /* the timer 0 is connected to an IRQ */
-    s->irq_timer = qemu_new_timer_ns(vm_clock, pit_irq_timer, s);
+    s->irq_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, pit_irq_timer, s);
     qdev_init_gpio_out(dev, &s->irq, 1);
 
     memory_region_init_io(&pit->ioports, OBJECT(pit), &pit_ioport_ops,
diff --git a/hw/timer/i8254_common.c b/hw/timer/i8254_common.c
index 4e5bf0b..e8fb971 100644
--- a/hw/timer/i8254_common.c
+++ b/hw/timer/i8254_common.c
@@ -136,7 +136,7 @@
     info->gate = sc->gate;
     info->mode = sc->mode;
     info->initial_count = sc->count;
-    info->out = pit_get_out(sc, qemu_get_clock_ns(vm_clock));
+    info->out = pit_get_out(sc, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
 }
 
 void pit_get_channel_info(ISADevice *dev, int channel, PITChannelInfo *info)
@@ -157,7 +157,7 @@
         s = &pit->channels[i];
         s->mode = 3;
         s->gate = (i != 2);
-        s->count_load_time = qemu_get_clock_ns(vm_clock);
+        s->count_load_time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
         s->count = 0x10000;
         if (i == 0 && !s->irq_disabled) {
             s->next_transition_time =
diff --git a/hw/timer/m48t59.c b/hw/timer/m48t59.c
index 098e5ad..d3d78ec 100644
--- a/hw/timer/m48t59.c
+++ b/hw/timer/m48t59.c
@@ -137,7 +137,7 @@
         /* Repeat once a second */
         next_time = 1;
     }
-    qemu_mod_timer(NVRAM->alrm_timer, qemu_clock_get_ns(rtc_clock) +
+    timer_mod(NVRAM->alrm_timer, qemu_clock_get_ns(rtc_clock) +
                     next_time * 1000);
     qemu_set_irq(NVRAM->IRQ, 0);
 }
@@ -146,10 +146,10 @@
 {
     int diff;
     if (NVRAM->alrm_timer != NULL) {
-        qemu_del_timer(NVRAM->alrm_timer);
+        timer_del(NVRAM->alrm_timer);
         diff = qemu_timedate_diff(&NVRAM->alarm) - NVRAM->time_offset;
         if (diff > 0)
-            qemu_mod_timer(NVRAM->alrm_timer, diff * 1000);
+            timer_mod(NVRAM->alrm_timer, diff * 1000);
     }
 }
 
@@ -188,10 +188,10 @@
 
     NVRAM->buffer[0x1FF0] &= ~0x80;
     if (NVRAM->wd_timer != NULL) {
-        qemu_del_timer(NVRAM->wd_timer);
+        timer_del(NVRAM->wd_timer);
         if (value != 0) {
             interval = (1 << (2 * (value & 0x03))) * ((value >> 2) & 0x1F);
-            qemu_mod_timer(NVRAM->wd_timer, ((uint64_t)time(NULL) * 1000) +
+            timer_mod(NVRAM->wd_timer, ((uint64_t)time(NULL) * 1000) +
                            ((interval * 1000) >> 4));
         }
     }
@@ -609,10 +609,10 @@
     NVRAM->addr = 0;
     NVRAM->lock = 0;
     if (NVRAM->alrm_timer != NULL)
-        qemu_del_timer(NVRAM->alrm_timer);
+        timer_del(NVRAM->alrm_timer);
 
     if (NVRAM->wd_timer != NULL)
-        qemu_del_timer(NVRAM->wd_timer);
+        timer_del(NVRAM->wd_timer);
 }
 
 static void m48t59_reset_isa(DeviceState *d)
@@ -701,7 +701,7 @@
     s->buffer = g_malloc0(s->size);
     if (s->model == 59) {
         s->alrm_timer = timer_new_ns(rtc_clock, &alarm_cb, s);
-        s->wd_timer = qemu_new_timer_ns(vm_clock, &watchdog_cb, s);
+        s->wd_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, &watchdog_cb, s);
     }
     qemu_get_timedate(&s->alarm, 0);
 
diff --git a/hw/timer/mc146818rtc.c b/hw/timer/mc146818rtc.c
index 1c6bb29..7230a6e 100644
--- a/hw/timer/mc146818rtc.c
+++ b/hw/timer/mc146818rtc.c
@@ -113,13 +113,13 @@
 static void rtc_coalesced_timer_update(RTCState *s)
 {
     if (s->irq_coalesced == 0) {
-        qemu_del_timer(s->coalesced_timer);
+        timer_del(s->coalesced_timer);
     } else {
         /* divide each RTC interval to 2 - 8 smaller intervals */
         int c = MIN(s->irq_coalesced, 7) + 1; 
         int64_t next_clock = qemu_clock_get_ns(rtc_clock) +
             muldiv64(s->period / c, get_ticks_per_sec(), RTC_CLOCK_RATE);
-        qemu_mod_timer(s->coalesced_timer, next_clock);
+        timer_mod(s->coalesced_timer, next_clock);
     }
 }
 
@@ -169,12 +169,12 @@
         next_irq_clock = (cur_clock & ~(period - 1)) + period;
         s->next_periodic_time =
             muldiv64(next_irq_clock, get_ticks_per_sec(), RTC_CLOCK_RATE) + 1;
-        qemu_mod_timer(s->periodic_timer, s->next_periodic_time);
+        timer_mod(s->periodic_timer, s->next_periodic_time);
     } else {
 #ifdef TARGET_I386
         s->irq_coalesced = 0;
 #endif
-        qemu_del_timer(s->periodic_timer);
+        timer_del(s->periodic_timer);
     }
 }
 
@@ -222,17 +222,17 @@
      * from occurring, because the time of day is not updated.
      */
     if ((s->cmos_data[RTC_REG_A] & 0x60) == 0x60) {
-        qemu_del_timer(s->update_timer);
+        timer_del(s->update_timer);
         return;
     }
     if ((s->cmos_data[RTC_REG_C] & REG_C_UF) &&
         (s->cmos_data[RTC_REG_B] & REG_B_SET)) {
-        qemu_del_timer(s->update_timer);
+        timer_del(s->update_timer);
         return;
     }
     if ((s->cmos_data[RTC_REG_C] & REG_C_UF) &&
         (s->cmos_data[RTC_REG_C] & REG_C_AF)) {
-        qemu_del_timer(s->update_timer);
+        timer_del(s->update_timer);
         return;
     }
 
@@ -253,7 +253,7 @@
         next_update_time = s->next_alarm_time;
     }
     if (next_update_time != timer_expire_time_ns(s->update_timer)) {
-        qemu_mod_timer(s->update_timer, next_update_time);
+        timer_mod(s->update_timer, next_update_time);
     }
 }
 
diff --git a/hw/timer/omap_gptimer.c b/hw/timer/omap_gptimer.c
index ac389d8..016207f 100644
--- a/hw/timer/omap_gptimer.c
+++ b/hw/timer/omap_gptimer.c
@@ -103,7 +103,7 @@
     uint64_t distance;
 
     if (timer->st && timer->rate) {
-        distance = qemu_get_clock_ns(vm_clock) - timer->time;
+        distance = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) - timer->time;
         distance = muldiv64(distance, timer->rate, timer->ticks_per_sec);
 
         if (distance >= 0xffffffff - timer->val)
@@ -118,7 +118,7 @@
 {
     if (timer->st) {
         timer->val = omap_gp_timer_read(timer);
-        timer->time = qemu_get_clock_ns(vm_clock);
+        timer->time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
     }
 }
 
@@ -129,17 +129,17 @@
     if (timer->st && timer->rate) {
         expires = muldiv64(0x100000000ll - timer->val,
                         timer->ticks_per_sec, timer->rate);
-        qemu_mod_timer(timer->timer, timer->time + expires);
+        timer_mod(timer->timer, timer->time + expires);
 
         if (timer->ce && timer->match_val >= timer->val) {
             matches = muldiv64(timer->match_val - timer->val,
                             timer->ticks_per_sec, timer->rate);
-            qemu_mod_timer(timer->match, timer->time + matches);
+            timer_mod(timer->match, timer->time + matches);
         } else
-            qemu_del_timer(timer->match);
+            timer_del(timer->match);
     } else {
-        qemu_del_timer(timer->timer);
-        qemu_del_timer(timer->match);
+        timer_del(timer->timer);
+        timer_del(timer->match);
         omap_gp_timer_out(timer, timer->scpwm);
     }
 }
@@ -164,7 +164,7 @@
         timer->val = 0;
     } else {
         timer->val = timer->load_val;
-        timer->time = qemu_get_clock_ns(vm_clock);
+        timer->time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
     }
 
     if (timer->trigger == gpt_trigger_overflow ||
@@ -406,7 +406,7 @@
         break;
 
     case 0x28:	/* TCRR */
-        s->time = qemu_get_clock_ns(vm_clock);
+        s->time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
         s->val = value;
         omap_gp_timer_update(s);
         break;
@@ -416,7 +416,7 @@
         break;
 
     case 0x30:	/* TTGR */
-        s->time = qemu_get_clock_ns(vm_clock);
+        s->time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
         s->val = s->load_val;
         omap_gp_timer_update(s);
         break;
@@ -474,8 +474,8 @@
     s->ta = ta;
     s->irq = irq;
     s->clk = fclk;
-    s->timer = qemu_new_timer_ns(vm_clock, omap_gp_timer_tick, s);
-    s->match = qemu_new_timer_ns(vm_clock, omap_gp_timer_match, s);
+    s->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, omap_gp_timer_tick, s);
+    s->match = timer_new_ns(QEMU_CLOCK_VIRTUAL, omap_gp_timer_match, s);
     s->in = qemu_allocate_irqs(omap_gp_timer_input, s, 1)[0];
     omap_gp_timer_reset(s);
     omap_gp_timer_clk_setup(s);
diff --git a/hw/timer/omap_synctimer.c b/hw/timer/omap_synctimer.c
index a12aca2..8e50488 100644
--- a/hw/timer/omap_synctimer.c
+++ b/hw/timer/omap_synctimer.c
@@ -28,7 +28,7 @@
 
 /* 32-kHz Sync Timer of the OMAP2 */
 static uint32_t omap_synctimer_read(struct omap_synctimer_s *s) {
-    return muldiv64(qemu_get_clock_ns(vm_clock), 0x8000, get_ticks_per_sec());
+    return muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), 0x8000, get_ticks_per_sec());
 }
 
 void omap_synctimer_reset(struct omap_synctimer_s *s)
diff --git a/hw/timer/pl031.c b/hw/timer/pl031.c
index e398a67..65928a4 100644
--- a/hw/timer/pl031.c
+++ b/hw/timer/pl031.c
@@ -91,11 +91,11 @@
     ticks = s->mr - pl031_get_count(s);
     DPRINTF("Alarm set in %ud ticks\n", ticks);
     if (ticks == 0) {
-        qemu_del_timer(s->timer);
+        timer_del(s->timer);
         pl031_interrupt(s);
     } else {
         int64_t now = qemu_clock_get_ns(rtc_clock);
-        qemu_mod_timer(s->timer, now + (int64_t)ticks * get_ticks_per_sec());
+        timer_mod(s->timer, now + (int64_t)ticks * get_ticks_per_sec());
     }
 }
 
@@ -213,8 +213,8 @@
     PL031State *s = opaque;
 
     /* tick_offset is base_time - rtc_clock base time.  Instead, we want to
-     * store the base time relative to the vm_clock for backwards-compatibility.  */
-    int64_t delta = qemu_clock_get_ns(rtc_clock) - qemu_get_clock_ns(vm_clock);
+     * store the base time relative to the QEMU_CLOCK_VIRTUAL for backwards-compatibility.  */
+    int64_t delta = qemu_clock_get_ns(rtc_clock) - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
     s->tick_offset_vmstate = s->tick_offset + delta / get_ticks_per_sec();
 }
 
@@ -222,7 +222,7 @@
 {
     PL031State *s = opaque;
 
-    int64_t delta = qemu_clock_get_ns(rtc_clock) - qemu_get_clock_ns(vm_clock);
+    int64_t delta = qemu_clock_get_ns(rtc_clock) - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
     s->tick_offset = s->tick_offset_vmstate - delta / get_ticks_per_sec();
     pl031_set_alarm(s);
     return 0;
diff --git a/hw/timer/pxa2xx_timer.c b/hw/timer/pxa2xx_timer.c
index cdabccd..0f546c4 100644
--- a/hw/timer/pxa2xx_timer.c
+++ b/hw/timer/pxa2xx_timer.c
@@ -123,7 +123,7 @@
     for (i = 0; i < 4; i ++) {
         new_qemu = now_qemu + muldiv64((uint32_t) (s->timer[i].value - now_vm),
                         get_ticks_per_sec(), s->freq);
-        qemu_mod_timer(s->timer[i].qtimer, new_qemu);
+        timer_mod(s->timer[i].qtimer, new_qemu);
     }
 }
 
@@ -141,7 +141,7 @@
         counter = counters[n];
 
     if (!s->tm4[counter].freq) {
-        qemu_del_timer(s->tm4[n].tm.qtimer);
+        timer_del(s->tm4[n].tm.qtimer);
         return;
     }
 
@@ -151,7 +151,7 @@
 
     new_qemu = now_qemu + muldiv64((uint32_t) (s->tm4[n].tm.value - now_vm),
                     get_ticks_per_sec(), s->tm4[counter].freq);
-    qemu_mod_timer(s->tm4[n].tm.qtimer, new_qemu);
+    timer_mod(s->tm4[n].tm.qtimer, new_qemu);
 }
 
 static uint64_t pxa2xx_timer_read(void *opaque, hwaddr offset,
@@ -188,7 +188,7 @@
             goto badreg;
         return s->tm4[tm].tm.value;
     case OSCR:
-        return s->clock + muldiv64(qemu_get_clock_ns(vm_clock) -
+        return s->clock + muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) -
                         s->lastload, s->freq, get_ticks_per_sec());
     case OSCR11: tm ++;
         /* fall through */
@@ -211,7 +211,7 @@
         if ((tm == 9 - 4 || tm == 11 - 4) && (s->tm4[tm].control & (1 << 9))) {
             if (s->tm4[tm - 1].freq)
                 s->snapshot = s->tm4[tm - 1].clock + muldiv64(
-                                qemu_get_clock_ns(vm_clock) -
+                                qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) -
                                 s->tm4[tm - 1].lastload,
                                 s->tm4[tm - 1].freq, get_ticks_per_sec());
             else
@@ -220,7 +220,7 @@
 
         if (!s->tm4[tm].freq)
             return s->tm4[tm].clock;
-        return s->tm4[tm].clock + muldiv64(qemu_get_clock_ns(vm_clock) -
+        return s->tm4[tm].clock + muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) -
                         s->tm4[tm].lastload, s->tm4[tm].freq, get_ticks_per_sec());
     case OIER:
         return s->irq_enabled;
@@ -271,7 +271,7 @@
         /* fall through */
     case OSMR0:
         s->timer[tm].value = value;
-        pxa2xx_timer_update(s, qemu_get_clock_ns(vm_clock));
+        pxa2xx_timer_update(s, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
         break;
     case OSMR11: tm ++;
         /* fall through */
@@ -291,11 +291,11 @@
         if (!pxa2xx_timer_has_tm4(s))
             goto badreg;
         s->tm4[tm].tm.value = value;
-        pxa2xx_timer_update4(s, qemu_get_clock_ns(vm_clock), tm);
+        pxa2xx_timer_update4(s, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), tm);
         break;
     case OSCR:
         s->oldclock = s->clock;
-        s->lastload = qemu_get_clock_ns(vm_clock);
+        s->lastload = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
         s->clock = value;
         pxa2xx_timer_update(s, s->lastload);
         break;
@@ -317,7 +317,7 @@
         if (!pxa2xx_timer_has_tm4(s))
             goto badreg;
         s->tm4[tm].oldclock = s->tm4[tm].clock;
-        s->tm4[tm].lastload = qemu_get_clock_ns(vm_clock);
+        s->tm4[tm].lastload = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
         s->tm4[tm].clock = value;
         pxa2xx_timer_update4(s, s->tm4[tm].lastload, tm);
         break;
@@ -351,7 +351,7 @@
             s->tm4[tm].freq = pxa2xx_timer4_freq[value & 7];
         else {
             s->tm4[tm].freq = 0;
-            pxa2xx_timer_update4(s, qemu_get_clock_ns(vm_clock), tm);
+            pxa2xx_timer_update4(s, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), tm);
         }
         break;
     case OMCR11: tm ++;
@@ -370,7 +370,7 @@
                     pxa2xx_timer4_freq[(value & (1 << 8)) ?  0 : (value & 7)];
         else {
             s->tm4[tm].freq = 0;
-            pxa2xx_timer_update4(s, qemu_get_clock_ns(vm_clock), tm);
+            pxa2xx_timer_update4(s, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), tm);
         }
         break;
     default:
@@ -411,7 +411,7 @@
     if (t->control & (1 << 3))
         t->clock = 0;
     if (t->control & (1 << 6))
-        pxa2xx_timer_update4(i, qemu_get_clock_ns(vm_clock), t->tm.num - 4);
+        pxa2xx_timer_update4(i, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), t->tm.num - 4);
     if (i->events & 0xff0)
         qemu_irq_raise(i->irq4);
 }
@@ -422,7 +422,7 @@
     int64_t now;
     int i;
 
-    now = qemu_get_clock_ns(vm_clock);
+    now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
     pxa2xx_timer_update(s, now);
 
     if (pxa2xx_timer_has_tm4(s))
@@ -440,7 +440,7 @@
     s->irq_enabled = 0;
     s->oldclock = 0;
     s->clock = 0;
-    s->lastload = qemu_get_clock_ns(vm_clock);
+    s->lastload = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
     s->reset3 = 0;
 
     for (i = 0; i < 4; i ++) {
@@ -448,7 +448,7 @@
         sysbus_init_irq(dev, &s->timer[i].irq);
         s->timer[i].info = s;
         s->timer[i].num = i;
-        s->timer[i].qtimer = qemu_new_timer_ns(vm_clock,
+        s->timer[i].qtimer = timer_new_ns(QEMU_CLOCK_VIRTUAL,
                         pxa2xx_timer_tick, &s->timer[i]);
     }
     if (s->flags & (1 << PXA2XX_TIMER_HAVE_TM4)) {
@@ -460,7 +460,7 @@
             s->tm4[i].tm.num = i + 4;
             s->tm4[i].freq = 0;
             s->tm4[i].control = 0x0;
-            s->tm4[i].tm.qtimer = qemu_new_timer_ns(vm_clock,
+            s->tm4[i].tm.qtimer = timer_new_ns(QEMU_CLOCK_VIRTUAL,
                         pxa2xx_timer_tick4, &s->tm4[i]);
         }
     }
diff --git a/hw/timer/tusb6010.c b/hw/timer/tusb6010.c
index c48ecf8..bd2a89e 100644
--- a/hw/timer/tusb6010.c
+++ b/hw/timer/tusb6010.c
@@ -516,11 +516,11 @@
     case TUSB_DEV_OTG_TIMER:
         s->otg_timer_val = value;
         if (value & TUSB_DEV_OTG_TIMER_ENABLE)
-            qemu_mod_timer(s->otg_timer, qemu_get_clock_ns(vm_clock) +
+            timer_mod(s->otg_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
                             muldiv64(TUSB_DEV_OTG_TIMER_VAL(value),
                                      get_ticks_per_sec(), TUSB_DEVCLOCK));
         else
-            qemu_del_timer(s->otg_timer);
+            timer_del(s->otg_timer);
         break;
 
     case TUSB_PRCM_CONF:
@@ -728,8 +728,8 @@
         /* Pull the interrupt down after TUSB6010 comes up.  */
         s->intr_ok = 0;
         tusb_intr_update(s);
-        qemu_mod_timer(s->pwr_timer,
-                       qemu_get_clock_ns(vm_clock) + get_ticks_per_sec() / 2);
+        timer_mod(s->pwr_timer,
+                       qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + get_ticks_per_sec() / 2);
     }
 }
 
@@ -783,8 +783,8 @@
     DeviceState *dev = DEVICE(sbd);
     TUSBState *s = TUSB(dev);
 
-    s->otg_timer = qemu_new_timer_ns(vm_clock, tusb_otg_tick, s);
-    s->pwr_timer = qemu_new_timer_ns(vm_clock, tusb_power_tick, s);
+    s->otg_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, tusb_otg_tick, s);
+    s->pwr_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, tusb_power_tick, s);
     memory_region_init_io(&s->iomem[1], OBJECT(s), &tusb_async_ops, s,
                           "tusb-async", UINT32_MAX);
     sysbus_init_mmio(sbd, &s->iomem[0]);
diff --git a/hw/timer/twl92230.c b/hw/timer/twl92230.c
index 431677e..f3ea365 100644
--- a/hw/timer/twl92230.c
+++ b/hw/timer/twl92230.c
@@ -73,12 +73,12 @@
 static inline void menelaus_rtc_start(MenelausState *s)
 {
     s->rtc.next += qemu_clock_get_ms(rtc_clock);
-    qemu_mod_timer(s->rtc.hz_tm, s->rtc.next);
+    timer_mod(s->rtc.hz_tm, s->rtc.next);
 }
 
 static inline void menelaus_rtc_stop(MenelausState *s)
 {
-    qemu_del_timer(s->rtc.hz_tm);
+    timer_del(s->rtc.hz_tm);
     s->rtc.next -= qemu_clock_get_ms(rtc_clock);
     if (s->rtc.next < 1)
         s->rtc.next = 1;
@@ -102,7 +102,7 @@
     s->rtc.next_comp --;
     s->rtc.alm_sec --;
     s->rtc.next += 1000;
-    qemu_mod_timer(s->rtc.hz_tm, s->rtc.next);
+    timer_mod(s->rtc.hz_tm, s->rtc.next);
     if ((s->rtc.ctrl >> 3) & 3) {				/* EVERY */
         menelaus_rtc_update(s);
         if (((s->rtc.ctrl >> 3) & 3) == 1 && !s->rtc.tm.tm_sec)
diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c
index 010a0d0..e5523d5 100644
--- a/hw/usb/hcd-ehci.c
+++ b/hw/usb/hcd-ehci.c
@@ -150,7 +150,7 @@
 #define NLPTR_TYPE_FSTN          3     // frame span traversal node
 
 #define SET_LAST_RUN_CLOCK(s) \
-    (s)->last_run_ns = qemu_get_clock_ns(vm_clock);
+    (s)->last_run_ns = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
 
 /* nifty macros from Arnon's EHCI version  */
 #define get_field(data, field) \
@@ -958,7 +958,7 @@
     }
     ehci_queues_rip_all(s, 0);
     ehci_queues_rip_all(s, 1);
-    qemu_del_timer(s->frame_timer);
+    timer_del(s->frame_timer);
     qemu_bh_cancel(s->async_bh);
 }
 
@@ -2296,7 +2296,7 @@
     int uframes, skipped_uframes;
     int i;
 
-    t_now = qemu_get_clock_ns(vm_clock);
+    t_now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
     ns_elapsed = t_now - ehci->last_run_ns;
     uframes = ns_elapsed / UFRAME_TIMER_NS;
 
@@ -2374,7 +2374,7 @@
             expire_time = t_now + (get_ticks_per_sec()
                                * (ehci->async_stepdown+1) / FRAME_TIMER_FREQ);
         }
-        qemu_mod_timer(ehci->frame_timer, expire_time);
+        timer_mod(ehci->frame_timer, expire_time);
     }
 }
 
@@ -2527,7 +2527,7 @@
         s->ports[i].dev = 0;
     }
 
-    s->frame_timer = qemu_new_timer_ns(vm_clock, ehci_frame_timer, s);
+    s->frame_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, ehci_frame_timer, s);
     s->async_bh = qemu_bh_new(ehci_frame_timer, s);
 
     qemu_register_reset(ehci_reset, s);
diff --git a/hw/usb/hcd-musb.c b/hw/usb/hcd-musb.c
index 7968e17..f91aa55 100644
--- a/hw/usb/hcd-musb.c
+++ b/hw/usb/hcd-musb.c
@@ -558,9 +558,9 @@
         return musb_cb_tick(ep);
 
     if (!ep->intv_timer[dir])
-        ep->intv_timer[dir] = qemu_new_timer_ns(vm_clock, musb_cb_tick, ep);
+        ep->intv_timer[dir] = timer_new_ns(QEMU_CLOCK_VIRTUAL, musb_cb_tick, ep);
 
-    qemu_mod_timer(ep->intv_timer[dir], qemu_get_clock_ns(vm_clock) +
+    timer_mod(ep->intv_timer[dir], qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
                    muldiv64(timeout, get_ticks_per_sec(), 8000));
 }
 
@@ -962,7 +962,7 @@
 static void musb_ep_frame_cancel(MUSBEndPoint *ep, int dir)
 {
     if (ep->intv_timer[dir])
-        qemu_del_timer(ep->intv_timer[dir]);
+        timer_del(ep->intv_timer[dir]);
 }
 
 /* Bus control */
diff --git a/hw/usb/hcd-ohci.c b/hw/usb/hcd-ohci.c
index d7836d6..39a25a7 100644
--- a/hw/usb/hcd-ohci.c
+++ b/hw/usb/hcd-ohci.c
@@ -1251,8 +1251,8 @@
 /* Generate a SOF event, and set a timer for EOF */
 static void ohci_sof(OHCIState *ohci)
 {
-    ohci->sof_time = qemu_get_clock_ns(vm_clock);
-    qemu_mod_timer(ohci->eof_timer, ohci->sof_time + usb_frame_time);
+    ohci->sof_time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
+    timer_mod(ohci->eof_timer, ohci->sof_time + usb_frame_time);
     ohci_set_interrupt(ohci, OHCI_INTR_SF);
 }
 
@@ -1349,12 +1349,12 @@
  */
 static int ohci_bus_start(OHCIState *ohci)
 {
-    ohci->eof_timer = qemu_new_timer_ns(vm_clock,
+    ohci->eof_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL,
                     ohci_frame_boundary,
                     ohci);
 
     if (ohci->eof_timer == NULL) {
-        fprintf(stderr, "usb-ohci: %s: qemu_new_timer_ns failed\n", ohci->name);
+        fprintf(stderr, "usb-ohci: %s: timer_new_ns failed\n", ohci->name);
         ohci_die(ohci);
         return 0;
     }
@@ -1370,7 +1370,7 @@
 static void ohci_bus_stop(OHCIState *ohci)
 {
     if (ohci->eof_timer)
-        qemu_del_timer(ohci->eof_timer);
+        timer_del(ohci->eof_timer);
     ohci->eof_timer = NULL;
 }
 
@@ -1474,7 +1474,7 @@
     /* Being in USB operational state guarnatees sof_time was
      * set already.
      */
-    tks = qemu_get_clock_ns(vm_clock) - ohci->sof_time;
+    tks = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) - ohci->sof_time;
 
     /* avoid muldiv if possible */
     if (tks >= usb_frame_time)
diff --git a/hw/usb/hcd-uhci.c b/hw/usb/hcd-uhci.c
index ec51883..578b949 100644
--- a/hw/usb/hcd-uhci.c
+++ b/hw/usb/hcd-uhci.c
@@ -433,7 +433,7 @@
     UHCIState *s = opaque;
 
     if (version_id < 2) {
-        s->expire_time = qemu_get_clock_ns(vm_clock) +
+        s->expire_time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
             (get_ticks_per_sec() / FRAME_TIMER_FREQ);
     }
     return 0;
@@ -476,9 +476,9 @@
         if ((val & UHCI_CMD_RS) && !(s->cmd & UHCI_CMD_RS)) {
             /* start frame processing */
             trace_usb_uhci_schedule_start();
-            s->expire_time = qemu_get_clock_ns(vm_clock) +
+            s->expire_time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
                 (get_ticks_per_sec() / FRAME_TIMER_FREQ);
-            qemu_mod_timer(s->frame_timer, s->expire_time);
+            timer_mod(s->frame_timer, s->expire_time);
             s->status &= ~UHCI_STS_HCHALTED;
         } else if (!(val & UHCI_CMD_RS)) {
             s->status |= UHCI_STS_HCHALTED;
@@ -1161,7 +1161,7 @@
     if (!(s->cmd & UHCI_CMD_RS)) {
         /* Full stop */
         trace_usb_uhci_schedule_stop();
-        qemu_del_timer(s->frame_timer);
+        timer_del(s->frame_timer);
         uhci_async_cancel_all(s);
         /* set hchalted bit in status - UHCI11D 2.1.2 */
         s->status |= UHCI_STS_HCHALTED;
@@ -1170,7 +1170,7 @@
 
     /* We still store expire_time in our state, for migration */
     t_last_run = s->expire_time - frame_t;
-    t_now = qemu_get_clock_ns(vm_clock);
+    t_now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
 
     /* Process up to MAX_FRAMES_PER_TICK frames */
     frames = (t_now - t_last_run) / frame_t;
@@ -1204,7 +1204,7 @@
     }
     s->pending_int_mask = 0;
 
-    qemu_mod_timer(s->frame_timer, t_now + frame_t);
+    timer_mod(s->frame_timer, t_now + frame_t);
 }
 
 static const MemoryRegionOps uhci_ioport_ops = {
@@ -1261,7 +1261,7 @@
         }
     }
     s->bh = qemu_bh_new(uhci_bh, s);
-    s->frame_timer = qemu_new_timer_ns(vm_clock, uhci_frame_timer, s);
+    s->frame_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, uhci_frame_timer, s);
     s->num_ports_vmstate = NB_PORTS;
     QTAILQ_INIT(&s->queues);
 
diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c
index 58c88b8..be6b86e 100644
--- a/hw/usb/hcd-xhci.c
+++ b/hw/usb/hcd-xhci.c
@@ -608,7 +608,7 @@
 
 static uint64_t xhci_mfindex_get(XHCIState *xhci)
 {
-    int64_t now = qemu_get_clock_ns(vm_clock);
+    int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
     return (now - xhci->mfindex_start) / 125000;
 }
 
@@ -619,12 +619,12 @@
     int64_t now;
 
     if ((xhci->usbcmd & bits) == bits) {
-        now = qemu_get_clock_ns(vm_clock);
+        now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
         mfindex = ((now - xhci->mfindex_start) / 125000) & 0x3fff;
         left = 0x4000 - mfindex;
-        qemu_mod_timer(xhci->mfwrap_timer, now + left * 125000);
+        timer_mod(xhci->mfwrap_timer, now + left * 125000);
     } else {
-        qemu_del_timer(xhci->mfwrap_timer);
+        timer_del(xhci->mfwrap_timer);
     }
 }
 
@@ -1086,7 +1086,7 @@
 {
     trace_usb_xhci_run();
     xhci->usbsts &= ~USBSTS_HCH;
-    xhci->mfindex_start = qemu_get_clock_ns(vm_clock);
+    xhci->mfindex_start = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
 }
 
 static void xhci_stop(XHCIState *xhci)
@@ -1229,7 +1229,7 @@
     for (i = 0; i < ARRAY_SIZE(epctx->transfers); i++) {
         usb_packet_init(&epctx->transfers[i].packet);
     }
-    epctx->kick_timer = qemu_new_timer_ns(vm_clock, xhci_ep_kick_timer, epctx);
+    epctx->kick_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, xhci_ep_kick_timer, epctx);
 
     return epctx;
 }
@@ -1304,7 +1304,7 @@
         XHCIEPContext *epctx = t->xhci->slots[t->slotid-1].eps[t->epid-1];
         if (epctx) {
             epctx->retry = NULL;
-            qemu_del_timer(epctx->kick_timer);
+            timer_del(epctx->kick_timer);
         }
         t->running_retry = 0;
     }
@@ -1380,7 +1380,7 @@
 
     xhci_set_ep_state(xhci, epctx, NULL, EP_DISABLED);
 
-    qemu_free_timer(epctx->kick_timer);
+    timer_free(epctx->kick_timer);
     g_free(epctx);
     slot->eps[epid-1] = NULL;
 
@@ -1844,12 +1844,12 @@
                                 XHCIEPContext *epctx, uint64_t mfindex)
 {
     if (xfer->mfindex_kick > mfindex) {
-        qemu_mod_timer(epctx->kick_timer, qemu_get_clock_ns(vm_clock) +
+        timer_mod(epctx->kick_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
                        (xfer->mfindex_kick - mfindex) * 125000);
         xfer->running_retry = 1;
     } else {
         epctx->mfindex_last = xfer->mfindex_kick;
-        qemu_del_timer(epctx->kick_timer);
+        timer_del(epctx->kick_timer);
         xfer->running_retry = 0;
     }
 }
@@ -2745,7 +2745,7 @@
         xhci->intr[i].ev_buffer_get = 0;
     }
 
-    xhci->mfindex_start = qemu_get_clock_ns(vm_clock);
+    xhci->mfindex_start = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
     xhci_mfwrap_update(xhci);
 }
 
@@ -3366,7 +3366,7 @@
         xhci->numslots = 1;
     }
 
-    xhci->mfwrap_timer = qemu_new_timer_ns(vm_clock, xhci_mfwrap_timer, xhci);
+    xhci->mfwrap_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, xhci_mfwrap_timer, xhci);
 
     xhci->irq = dev->irq[0];
 
@@ -3451,7 +3451,7 @@
             epctx->state = state;
             if (state == EP_RUNNING) {
                 /* kick endpoint after vmload is finished */
-                qemu_mod_timer(epctx->kick_timer, qemu_get_clock_ns(vm_clock));
+                timer_mod(epctx->kick_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
             }
         }
     }
diff --git a/hw/usb/host-libusb.c b/hw/usb/host-libusb.c
index f660770..128955d 100644
--- a/hw/usb/host-libusb.c
+++ b/hw/usb/host-libusb.c
@@ -1462,7 +1462,7 @@
         if (unconnected == 0) {
             /* nothing to watch */
             if (usb_auto_timer) {
-                qemu_del_timer(usb_auto_timer);
+                timer_del(usb_auto_timer);
                 trace_usb_host_auto_scan_disabled();
             }
             return;
@@ -1474,13 +1474,13 @@
         usb_vmstate = qemu_add_vm_change_state_handler(usb_host_vm_state, NULL);
     }
     if (!usb_auto_timer) {
-        usb_auto_timer = qemu_new_timer_ms(rt_clock, usb_host_auto_check, NULL);
+        usb_auto_timer = timer_new_ms(QEMU_CLOCK_REALTIME, usb_host_auto_check, NULL);
         if (!usb_auto_timer) {
             return;
         }
         trace_usb_host_auto_scan_enabled();
     }
-    qemu_mod_timer(usb_auto_timer, qemu_get_clock_ms(rt_clock) + 2000);
+    timer_mod(usb_auto_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 2000);
 }
 
 void usb_host_info(Monitor *mon, const QDict *qdict)
diff --git a/hw/usb/host-linux.c b/hw/usb/host-linux.c
index 7901f4c..65cd3b4 100644
--- a/hw/usb/host-linux.c
+++ b/hw/usb/host-linux.c
@@ -1754,7 +1754,7 @@
         if (unconnected == 0) {
             /* nothing to watch */
             if (usb_auto_timer) {
-                qemu_del_timer(usb_auto_timer);
+                timer_del(usb_auto_timer);
                 trace_usb_host_auto_scan_disabled();
             }
             return;
@@ -1765,13 +1765,13 @@
         usb_vmstate = qemu_add_vm_change_state_handler(usb_host_vm_state, NULL);
     }
     if (!usb_auto_timer) {
-        usb_auto_timer = qemu_new_timer_ms(rt_clock, usb_host_auto_check, NULL);
+        usb_auto_timer = timer_new_ms(QEMU_CLOCK_REALTIME, usb_host_auto_check, NULL);
         if (!usb_auto_timer) {
             return;
         }
         trace_usb_host_auto_scan_enabled();
     }
-    qemu_mod_timer(usb_auto_timer, qemu_get_clock_ms(rt_clock) + 2000);
+    timer_mod(usb_auto_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 2000);
 }
 
 #ifndef CONFIG_USB_LIBUSB
diff --git a/hw/usb/redirect.c b/hw/usb/redirect.c
index 8fee3d3..287a505 100644
--- a/hw/usb/redirect.c
+++ b/hw/usb/redirect.c
@@ -1297,7 +1297,7 @@
     }
 
     dev->chardev_close_bh = qemu_bh_new(usbredir_chardev_close_bh, dev);
-    dev->attach_timer = qemu_new_timer_ms(vm_clock, usbredir_do_attach, dev);
+    dev->attach_timer = timer_new_ms(QEMU_CLOCK_VIRTUAL, usbredir_do_attach, dev);
 
     packet_id_queue_init(&dev->cancelled, dev, "cancelled");
     packet_id_queue_init(&dev->already_in_flight, dev, "already-in-flight");
@@ -1338,8 +1338,8 @@
     /* Note must be done after qemu_chr_close, as that causes a close event */
     qemu_bh_delete(dev->chardev_close_bh);
 
-    qemu_del_timer(dev->attach_timer);
-    qemu_free_timer(dev->attach_timer);
+    timer_del(dev->attach_timer);
+    timer_free(dev->attach_timer);
 
     usbredir_cleanup_device_queues(dev);
 
@@ -1548,7 +1548,7 @@
     }
 
     usbredir_check_bulk_receiving(dev);
-    qemu_mod_timer(dev->attach_timer, dev->next_attach_time);
+    timer_mod(dev->attach_timer, dev->next_attach_time);
 }
 
 static void usbredir_device_disconnect(void *priv)
@@ -1556,7 +1556,7 @@
     USBRedirDevice *dev = priv;
 
     /* Stop any pending attaches */
-    qemu_del_timer(dev->attach_timer);
+    timer_del(dev->attach_timer);
 
     if (dev->dev.attached) {
         DPRINTF("detaching device\n");
@@ -1565,7 +1565,7 @@
          * Delay next usb device attach to give the guest a chance to see
          * see the detach / attach in case of quick close / open succession
          */
-        dev->next_attach_time = qemu_get_clock_ms(vm_clock) + 200;
+        dev->next_attach_time = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) + 200;
     }
 
     /* Reset state so that the next dev connected starts with a clean slate */
diff --git a/hw/virtio/virtio-balloon.c b/hw/virtio/virtio-balloon.c
index aac7f83..9504877 100644
--- a/hw/virtio/virtio-balloon.c
+++ b/hw/virtio/virtio-balloon.c
@@ -78,8 +78,8 @@
 static void balloon_stats_destroy_timer(VirtIOBalloon *s)
 {
     if (balloon_stats_enabled(s)) {
-        qemu_del_timer(s->stats_timer);
-        qemu_free_timer(s->stats_timer);
+        timer_del(s->stats_timer);
+        timer_free(s->stats_timer);
         s->stats_timer = NULL;
         s->stats_poll_interval = 0;
     }
@@ -87,7 +87,7 @@
 
 static void balloon_stats_change_timer(VirtIOBalloon *s, int secs)
 {
-    qemu_mod_timer(s->stats_timer, qemu_get_clock_ms(vm_clock) + secs * 1000);
+    timer_mod(s->stats_timer, qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) + secs * 1000);
 }
 
 static void balloon_stats_poll_cb(void *opaque)
@@ -173,7 +173,7 @@
 
     /* create a new timer */
     g_assert(s->stats_timer == NULL);
-    s->stats_timer = qemu_new_timer_ms(vm_clock, balloon_stats_poll_cb, s);
+    s->stats_timer = timer_new_ms(QEMU_CLOCK_VIRTUAL, balloon_stats_poll_cb, s);
     s->stats_poll_interval = value;
     balloon_stats_change_timer(s, 0);
 }
diff --git a/hw/virtio/virtio-rng.c b/hw/virtio/virtio-rng.c
index bac8421..314e393 100644
--- a/hw/virtio/virtio-rng.c
+++ b/hw/virtio/virtio-rng.c
@@ -129,8 +129,8 @@
 
     vrng->quota_remaining = vrng->conf.max_bytes;
     virtio_rng_process(vrng);
-    qemu_mod_timer(vrng->rate_limit_timer,
-                   qemu_get_clock_ms(vm_clock) + vrng->conf.period_ms);
+    timer_mod(vrng->rate_limit_timer,
+                   qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) + vrng->conf.period_ms);
 }
 
 static int virtio_rng_device_init(VirtIODevice *vdev)
@@ -172,11 +172,11 @@
     assert(vrng->conf.max_bytes <= INT64_MAX);
     vrng->quota_remaining = vrng->conf.max_bytes;
 
-    vrng->rate_limit_timer = qemu_new_timer_ms(vm_clock,
+    vrng->rate_limit_timer = timer_new_ms(QEMU_CLOCK_VIRTUAL,
                                                check_rate_limit, vrng);
 
-    qemu_mod_timer(vrng->rate_limit_timer,
-                   qemu_get_clock_ms(vm_clock) + vrng->conf.period_ms);
+    timer_mod(vrng->rate_limit_timer,
+                   qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) + vrng->conf.period_ms);
 
     register_savevm(qdev, "virtio-rng", -1, 1, virtio_rng_save,
                     virtio_rng_load, vrng);
@@ -189,8 +189,8 @@
     VirtIORNG *vrng = VIRTIO_RNG(qdev);
     VirtIODevice *vdev = VIRTIO_DEVICE(qdev);
 
-    qemu_del_timer(vrng->rate_limit_timer);
-    qemu_free_timer(vrng->rate_limit_timer);
+    timer_del(vrng->rate_limit_timer);
+    timer_free(vrng->rate_limit_timer);
     unregister_savevm(qdev, "virtio-rng", vrng);
     virtio_cleanup(vdev);
     return 0;
diff --git a/hw/watchdog/wdt_i6300esb.c b/hw/watchdog/wdt_i6300esb.c
index 2e064ba..36d3887 100644
--- a/hw/watchdog/wdt_i6300esb.c
+++ b/hw/watchdog/wdt_i6300esb.c
@@ -130,7 +130,7 @@
 
     i6300esb_debug("stage %d, timeout %" PRIi64 "\n", d->stage, timeout);
 
-    qemu_mod_timer(d->timer, qemu_get_clock_ns(vm_clock) + timeout);
+    timer_mod(d->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + timeout);
 }
 
 /* This is called when the guest disables the watchdog. */
@@ -138,7 +138,7 @@
 {
     i6300esb_debug("timer disabled\n");
 
-    qemu_del_timer(d->timer);
+    timer_del(d->timer);
 }
 
 static void i6300esb_reset(DeviceState *dev)
@@ -414,7 +414,7 @@
 
     i6300esb_debug("I6300State = %p\n", d);
 
-    d->timer = qemu_new_timer_ns(vm_clock, i6300esb_timer_expired, d);
+    d->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, i6300esb_timer_expired, d);
     d->previous_reboot_flag = 0;
 
     memory_region_init_io(&d->io_mem, OBJECT(d), &i6300esb_ops, d,
diff --git a/hw/watchdog/wdt_ib700.c b/hw/watchdog/wdt_ib700.c
index e97b4c3..bc994a4 100644
--- a/hw/watchdog/wdt_ib700.c
+++ b/hw/watchdog/wdt_ib700.c
@@ -62,7 +62,7 @@
     ib700_debug("addr = %x, data = %x\n", addr, data);
 
     timeout = (int64_t) time_map[data & 0xF] * get_ticks_per_sec();
-    qemu_mod_timer(s->timer, qemu_get_clock_ns (vm_clock) + timeout);
+    timer_mod(s->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + timeout);
 }
 
 /* A write (of any value) to this register disables the timer. */
@@ -72,7 +72,7 @@
 
     ib700_debug("addr = %x, data = %x\n", addr, data);
 
-    qemu_del_timer(s->timer);
+    timer_del(s->timer);
 }
 
 /* This is called when the watchdog expires. */
@@ -83,7 +83,7 @@
     ib700_debug("watchdog expired\n");
 
     watchdog_perform_action();
-    qemu_del_timer(s->timer);
+    timer_del(s->timer);
 }
 
 static const VMStateDescription vmstate_ib700 = {
@@ -110,7 +110,7 @@
 
     ib700_debug("watchdog init\n");
 
-    s->timer = qemu_new_timer_ns(vm_clock, ib700_timer_expired, s);
+    s->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, ib700_timer_expired, s);
 
     portio_list_init(port_list, OBJECT(s), wdt_portio_list, s, "ib700");
     portio_list_add(port_list, isa_address_space_io(&s->parent_obj), 0);
@@ -122,7 +122,7 @@
 
     ib700_debug("watchdog reset\n");
 
-    qemu_del_timer(s->timer);
+    timer_del(s->timer);
 }
 
 static WatchdogTimerModel model = {
diff --git a/hw/xtensa/pic_cpu.c b/hw/xtensa/pic_cpu.c
index 7f015ff..e2005bd 100644
--- a/hw/xtensa/pic_cpu.c
+++ b/hw/xtensa/pic_cpu.c
@@ -52,11 +52,11 @@
     uint32_t int_set_enabled = env->sregs[INTSET] & env->sregs[INTENABLE];
     int level;
 
-    /* If the CPU is halted advance CCOUNT according to the vm_clock time
+    /* If the CPU is halted advance CCOUNT according to the QEMU_CLOCK_VIRTUAL time
      * elapsed since the moment when it was advanced last time.
      */
     if (cs->halted) {
-        int64_t now = qemu_get_clock_ns(vm_clock);
+        int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
 
         xtensa_advance_ccount(env,
                 muldiv64(now - env->halt_clock,
@@ -119,7 +119,7 @@
         }
     }
     env->wake_ccount = wake_ccount;
-    qemu_mod_timer(env->ccompare_timer, env->halt_clock +
+    timer_mod(env->ccompare_timer, env->halt_clock +
             muldiv64(wake_ccount - env->sregs[CCOUNT],
                 1000000, env->config->clock_freq_khz));
 }
@@ -131,7 +131,7 @@
     CPUState *cs = CPU(cpu);
 
     if (cs->halted) {
-        env->halt_clock = qemu_get_clock_ns(vm_clock);
+        env->halt_clock = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
         xtensa_advance_ccount(env, env->wake_ccount - env->sregs[CCOUNT]);
         if (!cpu_has_work(cs)) {
             env->sregs[CCOUNT] = env->wake_ccount + 1;
@@ -149,7 +149,7 @@
     if (xtensa_option_enabled(env->config, XTENSA_OPTION_TIMER_INTERRUPT) &&
             env->config->nccompare > 0) {
         env->ccompare_timer =
-            qemu_new_timer_ns(vm_clock, &xtensa_ccompare_cb, cpu);
+            timer_new_ns(QEMU_CLOCK_VIRTUAL, &xtensa_ccompare_cb, cpu);
     }
 }
 
diff --git a/include/hw/acpi/acpi.h b/include/hw/acpi/acpi.h
index 635be7b..51733d3 100644
--- a/include/hw/acpi/acpi.h
+++ b/include/hw/acpi/acpi.h
@@ -136,7 +136,7 @@
 #include "qemu/timer.h"
 static inline int64_t acpi_pm_tmr_get_clock(void)
 {
-    return muldiv64(qemu_get_clock_ns(vm_clock), PM_TIMER_FREQUENCY,
+    return muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), PM_TIMER_FREQUENCY,
                     get_ticks_per_sec());
 }
 
diff --git a/include/qemu/ratelimit.h b/include/qemu/ratelimit.h
index d1610f1..d413a4a 100644
--- a/include/qemu/ratelimit.h
+++ b/include/qemu/ratelimit.h
@@ -23,7 +23,7 @@
 
 static inline int64_t ratelimit_calculate_delay(RateLimit *limit, uint64_t n)
 {
-    int64_t now = qemu_get_clock_ns(rt_clock);
+    int64_t now = qemu_clock_get_ns(QEMU_CLOCK_REALTIME);
 
     if (limit->next_slice_time < now) {
         limit->next_slice_time = now + limit->slice_ns;
diff --git a/migration.c b/migration.c
index ac200ed..200d404 100644
--- a/migration.c
+++ b/migration.c
@@ -198,7 +198,7 @@
         info->has_status = true;
         info->status = g_strdup("active");
         info->has_total_time = true;
-        info->total_time = qemu_get_clock_ms(rt_clock)
+        info->total_time = qemu_clock_get_ms(QEMU_CLOCK_REALTIME)
             - s->total_time;
         info->has_expected_downtime = true;
         info->expected_downtime = s->expected_downtime;
@@ -376,7 +376,7 @@
     s->state = MIG_STATE_SETUP;
     trace_migrate_set_state(MIG_STATE_SETUP);
 
-    s->total_time = qemu_get_clock_ms(rt_clock);
+    s->total_time = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
     return s;
 }
 
@@ -545,8 +545,8 @@
 static void *migration_thread(void *opaque)
 {
     MigrationState *s = opaque;
-    int64_t initial_time = qemu_get_clock_ms(rt_clock);
-    int64_t setup_start = qemu_get_clock_ms(host_clock);
+    int64_t initial_time = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
+    int64_t setup_start = qemu_clock_get_ms(QEMU_CLOCK_HOST);
     int64_t initial_bytes = 0;
     int64_t max_size = 0;
     int64_t start_time = initial_time;
@@ -555,7 +555,7 @@
     DPRINTF("beginning savevm\n");
     qemu_savevm_state_begin(s->file, &s->params);
 
-    s->setup_time = qemu_get_clock_ms(host_clock) - setup_start;
+    s->setup_time = qemu_clock_get_ms(QEMU_CLOCK_HOST) - setup_start;
     migrate_set_state(s, MIG_STATE_SETUP, MIG_STATE_ACTIVE);
 
     DPRINTF("setup complete\n");
@@ -575,7 +575,7 @@
 
                 DPRINTF("done iterating\n");
                 qemu_mutex_lock_iothread();
-                start_time = qemu_get_clock_ms(rt_clock);
+                start_time = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
                 qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER);
                 old_vm_running = runstate_is_running();
 
@@ -602,7 +602,7 @@
             migrate_set_state(s, MIG_STATE_ACTIVE, MIG_STATE_ERROR);
             break;
         }
-        current_time = qemu_get_clock_ms(rt_clock);
+        current_time = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
         if (current_time >= initial_time + BUFFER_DELAY) {
             uint64_t transferred_bytes = qemu_ftell(s->file) - initial_bytes;
             uint64_t time_spent = current_time - initial_time;
@@ -633,7 +633,7 @@
 
     qemu_mutex_lock_iothread();
     if (s->state == MIG_STATE_COMPLETED) {
-        int64_t end_time = qemu_get_clock_ms(rt_clock);
+        int64_t end_time = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
         s->total_time = end_time - s->total_time;
         s->downtime = end_time - start_time;
         runstate_set(RUN_STATE_POSTMIGRATE);
diff --git a/monitor.c b/monitor.c
index 5dc0aa9..b6659df 100644
--- a/monitor.c
+++ b/monitor.c
@@ -537,7 +537,7 @@
                              QObject *data)
 {
     MonitorEventState *evstate;
-    int64_t now = qemu_get_clock_ns(rt_clock);
+    int64_t now = qemu_clock_get_ns(QEMU_CLOCK_REALTIME);
     assert(event < QEVENT_MAX);
 
     qemu_mutex_lock(&monitor_event_state_lock);
@@ -564,7 +564,7 @@
                 qobject_decref(evstate->data);
             } else {
                 int64_t then = evstate->last + evstate->rate;
-                qemu_mod_timer_ns(evstate->timer, then);
+                timer_mod_ns(evstate->timer, then);
             }
             evstate->data = data;
             qobject_incref(evstate->data);
@@ -584,7 +584,7 @@
 static void monitor_protocol_event_handler(void *opaque)
 {
     MonitorEventState *evstate = opaque;
-    int64_t now = qemu_get_clock_ns(rt_clock);
+    int64_t now = qemu_clock_get_ns(QEMU_CLOCK_REALTIME);
 
     qemu_mutex_lock(&monitor_event_state_lock);
 
@@ -622,7 +622,7 @@
     trace_monitor_protocol_event_throttle(event, rate);
     evstate->event = event;
     evstate->rate = rate * SCALE_MS;
-    evstate->timer = qemu_new_timer(rt_clock,
+    evstate->timer = timer_new(QEMU_CLOCK_REALTIME,
                                     SCALE_MS,
                                     monitor_protocol_event_handler,
                                     evstate);
diff --git a/net/dump.c b/net/dump.c
index 4119721..9d3a09e 100644
--- a/net/dump.c
+++ b/net/dump.c
@@ -69,7 +69,7 @@
         return size;
     }
 
-    ts = muldiv64(qemu_get_clock_ns(vm_clock), 1000000, get_ticks_per_sec());
+    ts = muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), 1000000, get_ticks_per_sec());
     caplen = size > s->pcap_caplen ? s->pcap_caplen : size;
 
     hdr.ts.tv_sec = ts / 1000000 + s->start_ts;
diff --git a/qemu-char.c b/qemu-char.c
index 1be1cf6..d7abf9a 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -281,7 +281,7 @@
                 int64_t ti;
                 int secs;
 
-                ti = qemu_get_clock_ms(rt_clock);
+                ti = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
                 if (d->timestamps_start == -1)
                     d->timestamps_start = ti;
                 ti -= d->timestamps_start;
diff --git a/qtest.c b/qtest.c
index 9c50ab0..ef671fb 100644
--- a/qtest.c
+++ b/qtest.c
@@ -47,7 +47,7 @@
  *
  * Clock management:
  *
- * The qtest client is completely in charge of the vm_clock.  qtest commands
+ * The qtest client is completely in charge of the QEMU_CLOCK_VIRTUAL.  qtest commands
  * let you adjust the value of the clock (monotonically).  All the commands
  * return the current value of the clock in nanoseconds.
  *
@@ -414,9 +414,9 @@
         } else {
             ns = qemu_clock_deadline_ns_all(QEMU_CLOCK_VIRTUAL);
         }
-        qtest_clock_warp(qemu_get_clock_ns(vm_clock) + ns);
+        qtest_clock_warp(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + ns);
         qtest_send_prefix(chr);
-        qtest_send(chr, "OK %"PRIi64"\n", (int64_t)qemu_get_clock_ns(vm_clock));
+        qtest_send(chr, "OK %"PRIi64"\n", (int64_t)qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
     } else if (strcmp(words[0], "clock_set") == 0) {
         int64_t ns;
 
@@ -424,7 +424,7 @@
         ns = strtoll(words[1], NULL, 0);
         qtest_clock_warp(ns);
         qtest_send_prefix(chr);
-        qtest_send(chr, "OK %"PRIi64"\n", (int64_t)qemu_get_clock_ns(vm_clock));
+        qtest_send(chr, "OK %"PRIi64"\n", (int64_t)qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
     } else {
         qtest_send_prefix(chr);
         qtest_send(chr, "FAIL Unknown command `%s'\n", words[0]);
diff --git a/savevm.c b/savevm.c
index cad6ba6..c536aa4 100644
--- a/savevm.c
+++ b/savevm.c
@@ -97,18 +97,18 @@
 
     if (--count) {
         /* delay 50ms, 150ms, 250ms, ... */
-        qemu_mod_timer(timer, qemu_get_clock_ms(rt_clock) +
+        timer_mod(timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) +
                        50 + (SELF_ANNOUNCE_ROUNDS - count - 1) * 100);
     } else {
-	    qemu_del_timer(timer);
-	    qemu_free_timer(timer);
+	    timer_del(timer);
+	    timer_free(timer);
     }
 }
 
 void qemu_announce_self(void)
 {
 	static QEMUTimer *timer;
-	timer = qemu_new_timer_ms(rt_clock, qemu_announce_self_once, &timer);
+	timer = timer_new_ms(QEMU_CLOCK_REALTIME, qemu_announce_self_once, &timer);
 	qemu_announce_self_once(&timer);
 }
 
@@ -993,9 +993,9 @@
 
     expire_time = qemu_get_be64(f);
     if (expire_time != -1) {
-        qemu_mod_timer_ns(ts, expire_time);
+        timer_mod_ns(ts, expire_time);
     } else {
-        qemu_del_timer(ts);
+        timer_del(ts);
     }
 }
 
@@ -2387,7 +2387,7 @@
     qemu_gettimeofday(&tv);
     sn->date_sec = tv.tv_sec;
     sn->date_nsec = tv.tv_usec * 1000;
-    sn->vm_clock_nsec = qemu_get_clock_ns(vm_clock);
+    sn->vm_clock_nsec = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
 
     if (name) {
         ret = bdrv_snapshot_find(bs, old_sn, name);
diff --git a/slirp/if.c b/slirp/if.c
index dcd5faf..87ca8a5 100644
--- a/slirp/if.c
+++ b/slirp/if.c
@@ -154,7 +154,7 @@
  */
 void if_start(Slirp *slirp)
 {
-    uint64_t now = qemu_get_clock_ns(rt_clock);
+    uint64_t now = qemu_clock_get_ns(QEMU_CLOCK_REALTIME);
     bool from_batchq, next_from_batchq;
     struct mbuf *ifm, *ifm_next, *ifqt;
 
diff --git a/slirp/slirp.c b/slirp/slirp.c
index 80b28ea..5c3dabb 100644
--- a/slirp/slirp.c
+++ b/slirp/slirp.c
@@ -448,7 +448,7 @@
         return;
     }
 
-    curtime = qemu_get_clock_ms(rt_clock);
+    curtime = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
 
     QTAILQ_FOREACH(slirp, &slirp_instances, entry) {
         /*
@@ -787,7 +787,7 @@
             ifm->arp_requested = true;
 
             /* Expire request and drop outgoing packet after 1 second */
-            ifm->expiration_date = qemu_get_clock_ns(rt_clock) + 1000000000ULL;
+            ifm->expiration_date = qemu_clock_get_ns(QEMU_CLOCK_REALTIME) + 1000000000ULL;
         }
         return 0;
     } else {
diff --git a/target-alpha/sys_helper.c b/target-alpha/sys_helper.c
index 552100c..035810c 100644
--- a/target-alpha/sys_helper.c
+++ b/target-alpha/sys_helper.c
@@ -30,9 +30,9 @@
        In order to make OS-level time accounting work with the RPCC,
        present it with a well-timed clock fixed at 250MHz.  */
     return (((uint64_t)env->pcc_ofs << 32)
-            | (uint32_t)(qemu_get_clock_ns(vm_clock) >> 2));
+            | (uint32_t)(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) >> 2));
 #else
-    /* In user-mode, vm_clock doesn't exist.  Just pass through the host cpu
+    /* In user-mode, QEMU_CLOCK_VIRTUAL doesn't exist.  Just pass through the host cpu
        clock ticks.  Also, don't bother taking PCC_OFS into account.  */
     return (uint32_t)cpu_get_real_ticks();
 #endif
@@ -88,7 +88,7 @@
 
 uint64_t helper_get_vmtime(void)
 {
-    return qemu_get_clock_ns(vm_clock);
+    return qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
 }
 
 uint64_t helper_get_walltime(void)
@@ -102,9 +102,9 @@
 
     if (expire) {
         env->alarm_expire = expire;
-        qemu_mod_timer(cpu->alarm_timer, expire);
+        timer_mod(cpu->alarm_timer, expire);
     } else {
-        qemu_del_timer(cpu->alarm_timer);
+        timer_del(cpu->alarm_timer);
     }
 }
 
diff --git a/target-arm/cpu.c b/target-arm/cpu.c
index f01ce03..b2556c6 100644
--- a/target-arm/cpu.c
+++ b/target-arm/cpu.c
@@ -204,9 +204,9 @@
         qdev_init_gpio_in(DEVICE(cpu), arm_cpu_set_irq, 2);
     }
 
-    cpu->gt_timer[GTIMER_PHYS] = qemu_new_timer(vm_clock, GTIMER_SCALE,
+    cpu->gt_timer[GTIMER_PHYS] = timer_new(QEMU_CLOCK_VIRTUAL, GTIMER_SCALE,
                                                 arm_gt_ptimer_cb, cpu);
-    cpu->gt_timer[GTIMER_VIRT] = qemu_new_timer(vm_clock, GTIMER_SCALE,
+    cpu->gt_timer[GTIMER_VIRT] = timer_new(QEMU_CLOCK_VIRTUAL, GTIMER_SCALE,
                                                 arm_gt_vtimer_cb, cpu);
     qdev_init_gpio_out(DEVICE(cpu), cpu->gt_timer_outputs,
                        ARRAY_SIZE(cpu->gt_timer_outputs));
diff --git a/target-arm/helper.c b/target-arm/helper.c
index f4e1b06..e51ef20 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -699,7 +699,7 @@
 
 static uint64_t gt_get_countervalue(CPUARMState *env)
 {
-    return qemu_get_clock_ns(vm_clock) / GTIMER_SCALE;
+    return qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) / GTIMER_SCALE;
 }
 
 static void gt_recalc_timer(ARMCPU *cpu, int timeridx)
@@ -733,12 +733,12 @@
         if (nexttick > INT64_MAX / GTIMER_SCALE) {
             nexttick = INT64_MAX / GTIMER_SCALE;
         }
-        qemu_mod_timer(cpu->gt_timer[timeridx], nexttick);
+        timer_mod(cpu->gt_timer[timeridx], nexttick);
     } else {
         /* Timer disabled: ISTATUS and timer output always clear */
         gt->ctl &= ~4;
         qemu_set_irq(cpu->gt_timer_outputs[timeridx], 0);
-        qemu_del_timer(cpu->gt_timer[timeridx]);
+        timer_del(cpu->gt_timer[timeridx]);
     }
 }
 
@@ -758,7 +758,7 @@
     ARMCPU *cpu = arm_env_get_cpu(env);
     int timeridx = ri->opc1 & 1;
 
-    qemu_del_timer(cpu->gt_timer[timeridx]);
+    timer_del(cpu->gt_timer[timeridx]);
 }
 
 static int gt_cnt_read(CPUARMState *env, const ARMCPRegInfo *ri,
@@ -941,7 +941,7 @@
 
 #else
 /* In user-mode none of the generic timer registers are accessible,
- * and their implementation depends on vm_clock and qdev gpio outputs,
+ * and their implementation depends on QEMU_CLOCK_VIRTUAL and qdev gpio outputs,
  * so instead just don't register any of them.
  */
 static const ARMCPRegInfo generic_timer_cp_reginfo[] = {
diff --git a/target-ppc/kvm.c b/target-ppc/kvm.c
index 30a870e..8a196c6 100644
--- a/target-ppc/kvm.c
+++ b/target-ppc/kvm.c
@@ -419,7 +419,7 @@
         return ret;
     }
 
-    idle_timer = qemu_new_timer_ns(vm_clock, kvm_kick_cpu, cpu);
+    idle_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, kvm_kick_cpu, cpu);
 
     /* Some targets support access to KVM's guest TLB. */
     switch (cenv->mmu_model) {
@@ -1136,7 +1136,7 @@
         }
 
         /* Always wake up soon in case the interrupt was level based */
-        qemu_mod_timer(idle_timer, qemu_get_clock_ns(vm_clock) +
+        timer_mod(idle_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
                        (get_ticks_per_sec() / 50));
     }
 
@@ -1807,7 +1807,7 @@
 
 int kvmppc_save_htab(QEMUFile *f, int fd, size_t bufsize, int64_t max_ns)
 {
-    int64_t starttime = qemu_get_clock_ns(rt_clock);
+    int64_t starttime = qemu_clock_get_ns(QEMU_CLOCK_REALTIME);
     uint8_t buf[bufsize];
     ssize_t rc;
 
@@ -1823,7 +1823,7 @@
         }
     } while ((rc != 0)
              && ((max_ns < 0)
-                 || ((qemu_get_clock_ns(rt_clock) - starttime) < max_ns)));
+                 || ((qemu_clock_get_ns(QEMU_CLOCK_REALTIME) - starttime) < max_ns)));
 
     return (rc == 0) ? 1 : 0;
 }
diff --git a/target-ppc/kvm_ppc.c b/target-ppc/kvm_ppc.c
index 1b192a8..9b83655 100644
--- a/target-ppc/kvm_ppc.c
+++ b/target-ppc/kvm_ppc.c
@@ -24,7 +24,7 @@
 static void kvmppc_timer_hack(void *opaque)
 {
     qemu_notify_event();
-    qemu_mod_timer(kvmppc_timer, qemu_get_clock_ns(vm_clock) + kvmppc_timer_rate);
+    timer_mod(kvmppc_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + kvmppc_timer_rate);
 }
 
 void kvmppc_init(void)
@@ -34,7 +34,7 @@
      * run. So, until QEMU gains IO threads, we create this timer to ensure
      * that the device model gets a chance to run. */
     kvmppc_timer_rate = get_ticks_per_sec() / 10;
-    kvmppc_timer = qemu_new_timer_ns(vm_clock, &kvmppc_timer_hack, NULL);
-    qemu_mod_timer(kvmppc_timer, qemu_get_clock_ns(vm_clock) + kvmppc_timer_rate);
+    kvmppc_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, &kvmppc_timer_hack, NULL);
+    timer_mod(kvmppc_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + kvmppc_timer_rate);
 }
 
diff --git a/target-s390x/cpu.c b/target-s390x/cpu.c
index 6be6c08..5cc9938 100644
--- a/target-s390x/cpu.c
+++ b/target-s390x/cpu.c
@@ -129,8 +129,8 @@
     env->tod_offset = TOD_UNIX_EPOCH +
                       (time2tod(mktimegm(&tm)) * 1000000000ULL);
     env->tod_basetime = 0;
-    env->tod_timer = qemu_new_timer_ns(vm_clock, s390x_tod_timer, cpu);
-    env->cpu_timer = qemu_new_timer_ns(vm_clock, s390x_cpu_timer, cpu);
+    env->tod_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, s390x_tod_timer, cpu);
+    env->cpu_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, s390x_cpu_timer, cpu);
     /* set CPUState::halted state to 1 to avoid decrementing the running
      * cpu counter in s390_cpu_reset to a negative number at
      * initial ipl */
diff --git a/target-s390x/misc_helper.c b/target-s390x/misc_helper.c
index 09301d0..454960a 100644
--- a/target-s390x/misc_helper.c
+++ b/target-s390x/misc_helper.c
@@ -225,7 +225,7 @@
     uint64_t time;
 
     time = env->tod_offset +
-        time2tod(qemu_get_clock_ns(vm_clock) - env->tod_basetime);
+        time2tod(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) - env->tod_basetime);
 
     return time;
 }
@@ -248,7 +248,7 @@
     /* nanoseconds */
     time = (time * 125) >> 9;
 
-    qemu_mod_timer(env->tod_timer, qemu_get_clock_ns(vm_clock) + time);
+    timer_mod(env->tod_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + time);
 }
 
 /* Store Clock Comparator */
@@ -268,7 +268,7 @@
     /* nanoseconds */
     time = (time * 125) >> 9;
 
-    qemu_mod_timer(env->cpu_timer, qemu_get_clock_ns(vm_clock) + time);
+    timer_mod(env->cpu_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + time);
 }
 
 /* Store CPU Timer */
diff --git a/target-xtensa/op_helper.c b/target-xtensa/op_helper.c
index 6ca912c..01123af 100644
--- a/target-xtensa/op_helper.c
+++ b/target-xtensa/op_helper.c
@@ -390,7 +390,7 @@
     }
 
     cpu = CPU(xtensa_env_get_cpu(env));
-    env->halt_clock = qemu_get_clock_ns(vm_clock);
+    env->halt_clock = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
     cpu->halted = 1;
     if (xtensa_option_enabled(env->config, XTENSA_OPTION_TIMER_INTERRUPT)) {
         xtensa_rearm_ccompare_timer(env);
diff --git a/tests/libqtest.h b/tests/libqtest.h
index 0f6aade..a6e99bd 100644
--- a/tests/libqtest.h
+++ b/tests/libqtest.h
@@ -258,9 +258,9 @@
  * qtest_clock_step_next:
  * @s: #QTestState instance to operate on.
  *
- * Advance the vm_clock to the next deadline.
+ * Advance the QEMU_CLOCK_VIRTUAL to the next deadline.
  *
- * Returns: The current value of the vm_clock in nanoseconds.
+ * Returns: The current value of the QEMU_CLOCK_VIRTUAL in nanoseconds.
  */
 int64_t qtest_clock_step_next(QTestState *s);
 
@@ -269,9 +269,9 @@
  * @s: QTestState instance to operate on.
  * @step: Number of nanoseconds to advance the clock by.
  *
- * Advance the vm_clock by @step nanoseconds.
+ * Advance the QEMU_CLOCK_VIRTUAL by @step nanoseconds.
  *
- * Returns: The current value of the vm_clock in nanoseconds.
+ * Returns: The current value of the QEMU_CLOCK_VIRTUAL in nanoseconds.
  */
 int64_t qtest_clock_step(QTestState *s, int64_t step);
 
@@ -280,9 +280,9 @@
  * @s: QTestState instance to operate on.
  * @val: Nanoseconds value to advance the clock to.
  *
- * Advance the vm_clock to @val nanoseconds since the VM was launched.
+ * Advance the QEMU_CLOCK_VIRTUAL to @val nanoseconds since the VM was launched.
  *
- * Returns: The current value of the vm_clock in nanoseconds.
+ * Returns: The current value of the QEMU_CLOCK_VIRTUAL in nanoseconds.
  */
 int64_t qtest_clock_set(QTestState *s, int64_t val);
 
@@ -584,9 +584,9 @@
 /**
  * clock_step_next:
  *
- * Advance the vm_clock to the next deadline.
+ * Advance the QEMU_CLOCK_VIRTUAL to the next deadline.
  *
- * Returns: The current value of the vm_clock in nanoseconds.
+ * Returns: The current value of the QEMU_CLOCK_VIRTUAL in nanoseconds.
  */
 static inline int64_t clock_step_next(void)
 {
@@ -597,9 +597,9 @@
  * clock_step:
  * @step: Number of nanoseconds to advance the clock by.
  *
- * Advance the vm_clock by @step nanoseconds.
+ * Advance the QEMU_CLOCK_VIRTUAL by @step nanoseconds.
  *
- * Returns: The current value of the vm_clock in nanoseconds.
+ * Returns: The current value of the QEMU_CLOCK_VIRTUAL in nanoseconds.
  */
 static inline int64_t clock_step(int64_t step)
 {
@@ -610,9 +610,9 @@
  * clock_set:
  * @val: Nanoseconds value to advance the clock to.
  *
- * Advance the vm_clock to @val nanoseconds since the VM was launched.
+ * Advance the QEMU_CLOCK_VIRTUAL to @val nanoseconds since the VM was launched.
  *
- * Returns: The current value of the vm_clock in nanoseconds.
+ * Returns: The current value of the QEMU_CLOCK_VIRTUAL in nanoseconds.
  */
 static inline int64_t clock_set(int64_t val)
 {
diff --git a/ui/console.c b/ui/console.c
index e3e8297..aad4fc9 100644
--- a/ui/console.c
+++ b/ui/console.c
@@ -208,8 +208,8 @@
         }
         trace_console_refresh(interval);
     }
-    ds->last_update = qemu_get_clock_ms(rt_clock);
-    qemu_mod_timer(ds->gui_timer, ds->last_update + interval);
+    ds->last_update = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
+    timer_mod(ds->gui_timer, ds->last_update + interval);
 }
 
 static void gui_setup_refresh(DisplayState *ds)
@@ -232,12 +232,12 @@
     }
 
     if (need_timer && ds->gui_timer == NULL) {
-        ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
-        qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
+        ds->gui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, gui_update, ds);
+        timer_mod(ds->gui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME));
     }
     if (!need_timer && ds->gui_timer != NULL) {
-        qemu_del_timer(ds->gui_timer);
-        qemu_free_timer(ds->gui_timer);
+        timer_del(ds->gui_timer);
+        timer_free(ds->gui_timer);
         ds->gui_timer = NULL;
     }
 
@@ -1040,7 +1040,7 @@
         DisplayState *ds = s->ds;
 
         if (active_console && active_console->cursor_timer) {
-            qemu_del_timer(active_console->cursor_timer);
+            timer_del(active_console->cursor_timer);
         }
         active_console = s;
         if (ds->have_gfx) {
@@ -1059,8 +1059,8 @@
             dpy_text_resize(s, s->width, s->height);
         }
         if (s->cursor_timer) {
-            qemu_mod_timer(s->cursor_timer,
-                   qemu_get_clock_ms(rt_clock) + CONSOLE_CURSOR_PERIOD / 2);
+            timer_mod(s->cursor_timer,
+                   qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + CONSOLE_CURSOR_PERIOD / 2);
         }
     }
 }
@@ -1105,7 +1105,7 @@
     /* characters are pending: we send them a bit later (XXX:
        horrible, should change char device API) */
     if (s->out_fifo.count > 0) {
-        qemu_mod_timer(s->kbd_timer, qemu_get_clock_ms(rt_clock) + 1);
+        timer_mod(s->kbd_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1);
     }
 }
 
@@ -1366,7 +1366,7 @@
 
     dcl->update_interval = interval;
     if (!ds->refreshing && ds->update_interval > interval) {
-        qemu_mod_timer(ds->gui_timer, ds->last_update + interval);
+        timer_mod(ds->gui_timer, ds->last_update + interval);
     }
 }
 
@@ -1691,8 +1691,8 @@
 
     s->cursor_visible_phase = !s->cursor_visible_phase;
     graphic_hw_invalidate(s);
-    qemu_mod_timer(s->cursor_timer,
-                   qemu_get_clock_ms(rt_clock) + CONSOLE_CURSOR_PERIOD / 2);
+    timer_mod(s->cursor_timer,
+                   qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + CONSOLE_CURSOR_PERIOD / 2);
 }
 
 static const GraphicHwOps text_console_ops = {
@@ -1712,7 +1712,7 @@
 
     s->out_fifo.buf = s->out_fifo_buf;
     s->out_fifo.buf_size = sizeof(s->out_fifo_buf);
-    s->kbd_timer = qemu_new_timer_ms(rt_clock, kbd_send_chars, s);
+    s->kbd_timer = timer_new_ms(QEMU_CLOCK_REALTIME, kbd_send_chars, s);
     s->ds = ds;
 
     s->y_displayed = 0;
@@ -1729,7 +1729,7 @@
     }
 
     s->cursor_timer =
-        qemu_new_timer_ms(rt_clock, text_console_update_cursor, s);
+        timer_new_ms(QEMU_CLOCK_REALTIME, text_console_update_cursor, s);
 
     s->hw_ops = &text_console_ops;
     s->hw = s;
diff --git a/ui/input.c b/ui/input.c
index 92c44ca..10d8c05 100644
--- a/ui/input.c
+++ b/ui/input.c
@@ -277,11 +277,11 @@
     KeyValueList *p;
 
     if (!key_timer) {
-        key_timer = qemu_new_timer_ns(vm_clock, release_keys, NULL);
+        key_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, release_keys, NULL);
     }
 
     if (keycodes != NULL) {
-        qemu_del_timer(key_timer);
+        timer_del(key_timer);
         release_keys(NULL);
     }
 
@@ -308,7 +308,7 @@
     }
 
     /* delayed key up events */
-    qemu_mod_timer(key_timer, qemu_get_clock_ns(vm_clock) +
+    timer_mod(key_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
                    muldiv64(get_ticks_per_sec(), hold_time, 1000));
 }
 
diff --git a/ui/spice-core.c b/ui/spice-core.c
index bd7a248..3a2cd7e 100644
--- a/ui/spice-core.c
+++ b/ui/spice-core.c
@@ -63,25 +63,25 @@
     SpiceTimer *timer;
 
     timer = g_malloc0(sizeof(*timer));
-    timer->timer = qemu_new_timer_ms(rt_clock, func, opaque);
+    timer->timer = timer_new_ms(QEMU_CLOCK_REALTIME, func, opaque);
     QTAILQ_INSERT_TAIL(&timers, timer, next);
     return timer;
 }
 
 static void timer_start(SpiceTimer *timer, uint32_t ms)
 {
-    qemu_mod_timer(timer->timer, qemu_get_clock_ms(rt_clock) + ms);
+    timer_mod(timer->timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + ms);
 }
 
 static void timer_cancel(SpiceTimer *timer)
 {
-    qemu_del_timer(timer->timer);
+    timer_del(timer->timer);
 }
 
 static void timer_remove(SpiceTimer *timer)
 {
-    qemu_del_timer(timer->timer);
-    qemu_free_timer(timer->timer);
+    timer_del(timer->timer);
+    timer_free(timer->timer);
     QTAILQ_REMOVE(&timers, timer, next);
     g_free(timer);
 }
diff --git a/xen-all.c b/xen-all.c
index 21246e0..eb13111 100644
--- a/xen-all.c
+++ b/xen-all.c
@@ -606,8 +606,8 @@
 
     port = xc_evtchn_pending(state->xce_handle);
     if (port == state->bufioreq_local_port) {
-        qemu_mod_timer(state->buffered_io_timer,
-                BUFFER_IO_MAX_DELAY + qemu_get_clock_ms(rt_clock));
+        timer_mod(state->buffered_io_timer,
+                BUFFER_IO_MAX_DELAY + qemu_clock_get_ms(QEMU_CLOCK_REALTIME));
         return NULL;
     }
 
@@ -828,10 +828,10 @@
     XenIOState *state = opaque;
 
     if (handle_buffered_iopage(state)) {
-        qemu_mod_timer(state->buffered_io_timer,
-                BUFFER_IO_MAX_DELAY + qemu_get_clock_ms(rt_clock));
+        timer_mod(state->buffered_io_timer,
+                BUFFER_IO_MAX_DELAY + qemu_clock_get_ms(QEMU_CLOCK_REALTIME));
     } else {
-        qemu_del_timer(state->buffered_io_timer);
+        timer_del(state->buffered_io_timer);
         xc_evtchn_unmask(state->xce_handle, state->bufioreq_local_port);
     }
 }
@@ -962,7 +962,7 @@
         evtchn_fd = xc_evtchn_fd(state->xce_handle);
     }
 
-    state->buffered_io_timer = qemu_new_timer_ms(rt_clock, handle_buffered_io,
+    state->buffered_io_timer = timer_new_ms(QEMU_CLOCK_REALTIME, handle_buffered_io,
                                                  state);
 
     if (evtchn_fd != -1) {