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Re: [Qemu-arm] [PATCH v2] Replaced get_tick_per_sec() by NANOSECONDS_PER
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From: |
Christian Borntraeger |
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Subject: |
Re: [Qemu-arm] [PATCH v2] Replaced get_tick_per_sec() by NANOSECONDS_PER_SECOND |
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Date: |
Mon, 21 Mar 2016 09:17:34 +0100 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0 |
On 03/20/2016 07:31 PM, address@hidden wrote:
> From: Rutuja Shah <address@hidden>
Can you add the patch description (with examples of why this is the right thing
to do) here and not in the cover letter?
>
> Signed-off-by: Rutuja Shah <address@hidden>
>
> ---
> audio/audio.c | 3 +--
> audio/noaudio.c | 8 ++++----
> audio/spiceaudio.c | 4 ++--
> audio/wavaudio.c | 2 +-
> backends/baum.c | 2 +-
> block/qed.c | 2 +-
> cpus.c | 6 +++---
> hw/acpi/core.c | 4 ++--
> hw/arm/omap1.c | 17 +++++++++--------
> hw/arm/spitz.c | 2 +-
> hw/arm/stellaris.c | 2 +-
> hw/arm/strongarm.c | 2 +-
> hw/audio/adlib.c | 2 +-
> hw/audio/sb16.c | 4 ++--
> hw/block/fdc.c | 4 ++--
> hw/block/pflash_cfi02.c | 8 ++++----
> hw/bt/hci-csr.c | 4 ++--
> hw/char/cadence_uart.c | 4 ++--
> hw/char/serial.c | 10 ++++++----
> hw/display/vga.c | 6 +++---
> hw/dma/rc4030.c | 2 +-
> hw/ide/core.c | 4 ++--
> hw/input/hid.c | 2 +-
> hw/input/tsc2005.c | 3 ++-
> hw/input/tsc210x.c | 3 ++-
> hw/intc/i8259.c | 2 +-
> hw/misc/arm_sysctl.c | 3 ++-
> hw/misc/macio/cuda.c | 16 ++++++++--------
> hw/misc/macio/macio.c | 2 +-
> hw/net/dp8393x.c | 2 +-
> hw/ppc/ppc.c | 21 ++++++++++++---------
> hw/ppc/ppc405_uc.c | 4 ++--
> hw/ppc/ppc_booke.c | 2 +-
> hw/sd/sdhci-internal.h | 2 +-
> hw/sparc64/sun4u.c | 4 ++--
> hw/timer/i8254.c | 4 ++--
> hw/timer/i8254_common.c | 6 +++---
> hw/timer/mc146818rtc.c | 14 ++++++++------
> hw/timer/omap_gptimer.c | 2 +-
> hw/timer/omap_synctimer.c | 3 ++-
> hw/timer/pl031.c | 10 +++++-----
> hw/timer/pxa2xx_timer.c | 18 ++++++++++--------
> hw/usb/hcd-ehci.c | 5 +++--
> hw/usb/hcd-musb.c | 2 +-
> hw/usb/hcd-ohci.c | 10 +++++-----
> hw/usb/hcd-uhci.c | 6 +++---
> hw/usb/tusb6010.c | 6 +++---
> hw/watchdog/wdt_diag288.c | 2 +-
> hw/watchdog/wdt_ib700.c | 2 +-
> include/hw/acpi/acpi.h | 2 +-
> include/qemu/timer.h | 9 ++-------
> monitor.c | 4 ++--
> target-ppc/kvm.c | 4 ++--
> 53 files changed, 143 insertions(+), 134 deletions(-)
>
> diff --git a/audio/audio.c b/audio/audio.c
> index e841532..ab0ade8 100644
> --- a/audio/audio.c
> +++ b/audio/audio.c
> @@ -1869,8 +1869,7 @@ static void audio_init (void)
> }
> conf.period.ticks = 1;
> } else {
> - conf.period.ticks =
> - muldiv64 (1, get_ticks_per_sec (), conf.period.hertz);
> + conf.period.ticks = NANOSECONDS_PER_SECOND / conf.period.hertz;
> }
>
> e = qemu_add_vm_change_state_handler (audio_vm_change_state_handler, s);
> diff --git a/audio/noaudio.c b/audio/noaudio.c
> index 09588b9..b360c19 100644
> --- a/audio/noaudio.c
> +++ b/audio/noaudio.c
> @@ -49,8 +49,8 @@ static int no_run_out (HWVoiceOut *hw, int live)
>
> 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);
> + bytes = muldiv64(ticks, hw->info.bytes_per_second,
> NANOSECONDS_PER_SECOND);
> + bytes = audio_MIN(bytes, INT_MAX);
> samples = bytes >> hw->info.shift;
>
> no->old_ticks = now;
> @@ -61,7 +61,7 @@ static int no_run_out (HWVoiceOut *hw, int live)
>
> static int no_write (SWVoiceOut *sw, void *buf, int len)
> {
> - return audio_pcm_sw_write (sw, buf, len);
> + return audio_pcm_sw_write(sw, buf, len);
> }
>
> static int no_init_out(HWVoiceOut *hw, struct audsettings *as, void
> *drv_opaque)
> @@ -106,7 +106,7 @@ static int no_run_in (HWVoiceIn *hw)
> 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
> ());
> + muldiv64(ticks, hw->info.bytes_per_second,
> NANOSECONDS_PER_SECOND);
>
> no->old_ticks = now;
> bytes = audio_MIN (bytes, INT_MAX);
> diff --git a/audio/spiceaudio.c b/audio/spiceaudio.c
> index 297fd41..dea71d3 100644
> --- a/audio/spiceaudio.c
> +++ b/audio/spiceaudio.c
> @@ -104,11 +104,11 @@ static int rate_get_samples (struct audio_pcm_info
> *info, SpiceRateCtl *rate)
>
> now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
> ticks = now - rate->start_ticks;
> - bytes = muldiv64 (ticks, info->bytes_per_second, get_ticks_per_sec ());
> + bytes = muldiv64(ticks, info->bytes_per_second, NANOSECONDS_PER_SECOND);
> samples = (bytes - rate->bytes_sent) >> info->shift;
> if (samples < 0 || samples > 65536) {
> error_report("Resetting rate control (%" PRId64 " samples)",
> samples);
> - rate_start (rate);
> + rate_start(rate);
> samples = 0;
> }
> rate->bytes_sent += samples << info->shift;
> diff --git a/audio/wavaudio.c b/audio/wavaudio.c
> index 343b1a1..345952e 100644
> --- a/audio/wavaudio.c
> +++ b/audio/wavaudio.c
> @@ -51,7 +51,7 @@ static int wav_run_out (HWVoiceOut *hw, int live)
> 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 ());
> + muldiv64(ticks, hw->info.bytes_per_second, NANOSECONDS_PER_SECOND);
>
> if (bytes > INT_MAX) {
> samples = INT_MAX >> hw->info.shift;
> diff --git a/backends/baum.c b/backends/baum.c
> index c11320e..20b49f2 100644
> --- a/backends/baum.c
> +++ b/backends/baum.c
> @@ -336,7 +336,7 @@ static int baum_eat_packet(BaumDriverState *baum, const
> uint8_t *buf, int len)
>
> /* Allow 100ms to complete the DisplayData packet */
> timer_mod(baum->cellCount_timer,
> qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
> - get_ticks_per_sec() / 10);
> + NANOSECONDS_PER_SECOND / 10);
> for (i = 0; i < baum->x * baum->y ; i++) {
> EAT(c);
> cells[i] = c;
> diff --git a/block/qed.c b/block/qed.c
> index 404be1e..6fa7e1f 100644
> --- a/block/qed.c
> +++ b/block/qed.c
> @@ -345,7 +345,7 @@ static void qed_start_need_check_timer(BDRVQEDState *s)
> * migration.
> */
> timer_mod(s->need_check_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
> - get_ticks_per_sec() * QED_NEED_CHECK_TIMEOUT);
> + NANOSECONDS_PER_SECOND * QED_NEED_CHECK_TIMEOUT);
> }
>
> /* It's okay to call this multiple times or when no timer is started */
> diff --git a/cpus.c b/cpus.c
> index bc774e2..17be5de 100644
> --- a/cpus.c
> +++ b/cpus.c
> @@ -275,7 +275,7 @@ void cpu_disable_ticks(void)
> fairly approximate, so ignore small variation.
> When the guest is idle real and virtual time will be aligned in
> the IO wait loop. */
> -#define ICOUNT_WOBBLE (get_ticks_per_sec() / 10)
> +#define ICOUNT_WOBBLE (NANOSECONDS_PER_SECOND / 10)
>
> static void icount_adjust(void)
> {
> @@ -326,7 +326,7 @@ static void icount_adjust_vm(void *opaque)
> {
> timer_mod(icount_vm_timer,
> qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
> - get_ticks_per_sec() / 10);
> + NANOSECONDS_PER_SECOND / 10);
> icount_adjust();
> }
>
> @@ -665,7 +665,7 @@ void configure_icount(QemuOpts *opts, Error **errp)
> icount_adjust_vm, NULL);
> timer_mod(icount_vm_timer,
> qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
> - get_ticks_per_sec() / 10);
> + NANOSECONDS_PER_SECOND / 10);
> }
>
> /***********************************************************/
> diff --git a/hw/acpi/core.c b/hw/acpi/core.c
> index 3d9e5c4..5ea3b3b 100644
> --- a/hw/acpi/core.c
> +++ b/hw/acpi/core.c
> @@ -389,7 +389,7 @@ uint16_t acpi_pm1_evt_get_sts(ACPIREGS *ar)
> acpi_pm_tmr_update function uses ns for setting the timer. */
> int64_t d = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
> if (d >= muldiv64(ar->tmr.overflow_time,
> - get_ticks_per_sec(), PM_TIMER_FREQUENCY)) {
> + NANOSECONDS_PER_SECOND, PM_TIMER_FREQUENCY)) {
> ar->pm1.evt.sts |= ACPI_BITMASK_TIMER_STATUS;
> }
> return ar->pm1.evt.sts;
> @@ -483,7 +483,7 @@ void acpi_pm_tmr_update(ACPIREGS *ar, bool enable)
>
> /* schedule a timer interruption if needed */
> if (enable) {
> - expire_time = muldiv64(ar->tmr.overflow_time, get_ticks_per_sec(),
> + expire_time = muldiv64(ar->tmr.overflow_time, NANOSECONDS_PER_SECOND,
> PM_TIMER_FREQUENCY);
> timer_mod(ar->tmr.timer, expire_time);
> } else {
> diff --git a/hw/arm/omap1.c b/hw/arm/omap1.c
> index 6f68130..6190e0e 100644
> --- a/hw/arm/omap1.c
> +++ b/hw/arm/omap1.c
> @@ -107,7 +107,7 @@ static inline uint32_t omap_timer_read(struct
> omap_mpu_timer_s *timer)
>
> if (timer->st && timer->enable && timer->rate)
> return timer->val - muldiv64(distance >> (timer->ptv + 1),
> - timer->rate, get_ticks_per_sec());
> + timer->rate, NANOSECONDS_PER_SECOND);
> else
> return timer->val;
> }
> @@ -125,7 +125,7 @@ static inline void omap_timer_update(struct
> omap_mpu_timer_s *timer)
> if (timer->enable && timer->st && timer->rate) {
> timer->val = timer->reset_val; /* Should skip this on clk
> enable */
> expires = muldiv64((uint64_t) timer->val << (timer->ptv + 1),
> - get_ticks_per_sec(), timer->rate);
> + NANOSECONDS_PER_SECOND, timer->rate);
>
> /* If timer expiry would be sooner than in about 1 ms and
> * auto-reload isn't set, then fire immediately. This is a hack
> @@ -133,10 +133,11 @@ static inline void omap_timer_update(struct
> omap_mpu_timer_s *timer)
> * sets the interval to a very low value and polls the status bit
> * in a busy loop when it wants to sleep just a couple of CPU
> * ticks. */
> - if (expires > (get_ticks_per_sec() >> 10) || timer->ar)
> + if (expires > (NANOSECONDS_PER_SECOND >> 10) || timer->ar) {
> timer_mod(timer->timer, timer->time + expires);
> - else
> + } else {
> qemu_bh_schedule(timer->tick);
> + }
> } else
> timer_del(timer->timer);
> }
> @@ -613,14 +614,14 @@ static void omap_ulpd_pm_write(void *opaque, hwaddr
> addr,
> now -= s->ulpd_gauge_start;
>
> /* 32-kHz ticks */
> - ticks = muldiv64(now, 32768, get_ticks_per_sec());
> + ticks = muldiv64(now, 32768, NANOSECONDS_PER_SECOND);
> s->ulpd_pm_regs[0x00 >> 2] = (ticks >> 0) & 0xffff;
> s->ulpd_pm_regs[0x04 >> 2] = (ticks >> 16) & 0xffff;
> if (ticks >> 32) /* OVERFLOW_32K */
> s->ulpd_pm_regs[0x14 >> 2] |= 1 << 2;
>
> /* High frequency ticks */
> - ticks = muldiv64(now, 12000000, get_ticks_per_sec());
> + ticks = muldiv64(now, 12000000, NANOSECONDS_PER_SECOND);
> s->ulpd_pm_regs[0x08 >> 2] = (ticks >> 0) & 0xffff;
> s->ulpd_pm_regs[0x0c >> 2] = (ticks >> 16) & 0xffff;
> if (ticks >> 32) /* OVERFLOW_HI_FREQ */
> @@ -3026,7 +3027,7 @@ static void omap_mcbsp_source_tick(void *opaque)
>
> omap_mcbsp_rx_newdata(s);
> timer_mod(s->source_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
> - get_ticks_per_sec());
> + NANOSECONDS_PER_SECOND);
> }
>
> static void omap_mcbsp_rx_start(struct omap_mcbsp_s *s)
> @@ -3072,7 +3073,7 @@ static void omap_mcbsp_sink_tick(void *opaque)
>
> omap_mcbsp_tx_newdata(s);
> timer_mod(s->sink_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
> - get_ticks_per_sec());
> + NANOSECONDS_PER_SECOND);
> }
>
> static void omap_mcbsp_tx_start(struct omap_mcbsp_s *s)
> diff --git a/hw/arm/spitz.c b/hw/arm/spitz.c
> index 607cb58..d8ecb9c 100644
> --- a/hw/arm/spitz.c
> +++ b/hw/arm/spitz.c
> @@ -404,7 +404,7 @@ static void spitz_keyboard_tick(void *opaque)
> }
>
> timer_mod(s->kbdtimer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
> - get_ticks_per_sec() / 32);
> + NANOSECONDS_PER_SECOND / 32);
> }
>
> static void spitz_keyboard_pre_map(SpitzKeyboardState *s)
> diff --git a/hw/arm/stellaris.c b/hw/arm/stellaris.c
> index de8dbb2..a7ba43c 100644
> --- a/hw/arm/stellaris.c
> +++ b/hw/arm/stellaris.c
> @@ -100,7 +100,7 @@ static void gptm_reload(gptm_state *s, int n, int reset)
> tick += (int64_t)count * system_clock_scale;
> } else if (s->config == 1) {
> /* 32-bit RTC. 1Hz tick. */
> - tick += get_ticks_per_sec();
> + tick += NANOSECONDS_PER_SECOND;
> } else if (s->mode[n] == 0xa) {
> /* PWM mode. Not implemented. */
> } else {
> diff --git a/hw/arm/strongarm.c b/hw/arm/strongarm.c
> index 3b17a21..52a7481 100644
> --- a/hw/arm/strongarm.c
> +++ b/hw/arm/strongarm.c
> @@ -1024,7 +1024,7 @@ static void
> strongarm_uart_update_parameters(StrongARMUARTState *s)
> ssp.parity = parity;
> ssp.data_bits = data_bits;
> ssp.stop_bits = stop_bits;
> - s->char_transmit_time = (get_ticks_per_sec() / speed) * frame_size;
> + s->char_transmit_time = (NANOSECONDS_PER_SECOND / speed) * frame_size;
> if (s->chr) {
> qemu_chr_fe_ioctl(s->chr, CHR_IOCTL_SERIAL_SET_PARAMS, &ssp);
> }
> diff --git a/hw/audio/adlib.c b/hw/audio/adlib.c
> index 1270b19..e4db92d 100644
> --- a/hw/audio/adlib.c
> +++ b/hw/audio/adlib.c
> @@ -169,7 +169,7 @@ static void timer_handler (int c, double interval_Sec)
>
> s->ticking[n] = 1;
> #ifdef DEBUG
> - interval = get_ticks_per_sec () * interval_Sec;
> + interval = NANOSECONDS_PER_SECOND * interval_Sec;
> exp = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + interval;
> s->exp[n] = exp;
> #endif
> diff --git a/hw/audio/sb16.c b/hw/audio/sb16.c
> index 6f8816c..3a4a57a 100644
> --- a/hw/audio/sb16.c
> +++ b/hw/audio/sb16.c
> @@ -762,8 +762,8 @@ static void complete (SB16State *s)
> freq = s->freq > 0 ? s->freq : 11025;
> samples = dsp_get_lohi (s) + 1;
> bytes = samples << s->fmt_stereo << (s->fmt_bits == 16);
> - ticks = muldiv64 (bytes, get_ticks_per_sec (), freq);
> - if (ticks < get_ticks_per_sec () / 1024) {
> + ticks = muldiv64(bytes, NANOSECONDS_PER_SECOND, freq);
> + if (ticks < NANOSECONDS_PER_SECOND / 1024) {
> qemu_irq_raise (s->pic);
> }
> else {
> diff --git a/hw/block/fdc.c b/hw/block/fdc.c
> index 9838d21..526c49d 100644
> --- a/hw/block/fdc.c
> +++ b/hw/block/fdc.c
> @@ -1938,8 +1938,8 @@ static void fdctrl_handle_readid(FDCtrl *fdctrl, int
> direction)
> FDrive *cur_drv = get_cur_drv(fdctrl);
>
> cur_drv->head = (fdctrl->fifo[1] >> 2) & 1;
> - timer_mod(fdctrl->result_timer,
> - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
> (get_ticks_per_sec() / 50));
> + timer_mod(fdctrl->result_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
> + (NANOSECONDS_PER_SECOND / 50));
> }
>
> static void fdctrl_handle_format_track(FDCtrl *fdctrl, int direction)
> diff --git a/hw/block/pflash_cfi02.c b/hw/block/pflash_cfi02.c
> index aaa697a..2647643 100644
> --- a/hw/block/pflash_cfi02.c
> +++ b/hw/block/pflash_cfi02.c
> @@ -431,8 +431,8 @@ static void pflash_write (pflash_t *pfl, hwaddr offset,
> }
> pfl->status = 0x00;
> /* Let's wait 5 seconds before chip erase is done */
> - timer_mod(pfl->timer,
> - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
> (get_ticks_per_sec() * 5));
> + timer_mod(pfl->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
> + (NANOSECONDS_PER_SECOND * 5));
> break;
> case 0x30:
> /* Sector erase */
> @@ -446,8 +446,8 @@ static void pflash_write (pflash_t *pfl, hwaddr offset,
> }
> pfl->status = 0x00;
> /* Let's wait 1/2 second before sector erase is done */
> - timer_mod(pfl->timer,
> - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
> (get_ticks_per_sec() / 2));
> + timer_mod(pfl->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
> + (NANOSECONDS_PER_SECOND / 2));
> break;
> default:
> DPRINTF("%s: invalid command %02x (wc 5)\n", __func__, cmd);
> diff --git a/hw/bt/hci-csr.c b/hw/bt/hci-csr.c
> index 0189b0a..2e970b6 100644
> --- a/hw/bt/hci-csr.c
> +++ b/hw/bt/hci-csr.c
> @@ -363,7 +363,7 @@ static int csrhci_ioctl(struct CharDriverState *chr, int
> cmd, void *arg)
> switch (cmd) {
> case CHR_IOCTL_SERIAL_SET_PARAMS:
> ssp = (QEMUSerialSetParams *) arg;
> - s->baud_delay = get_ticks_per_sec() / ssp->speed;
> + s->baud_delay = NANOSECONDS_PER_SECOND / ssp->speed;
> /* Moments later... (but shorter than 100ms) */
> s->modem_state |= CHR_TIOCM_CTS;
> break;
> @@ -389,7 +389,7 @@ static void csrhci_reset(struct csrhci_s *s)
> s->out_len = 0;
> s->out_size = FIFO_LEN;
> s->in_len = 0;
> - s->baud_delay = get_ticks_per_sec();
> + s->baud_delay = NANOSECONDS_PER_SECOND;
> s->enable = 0;
> s->in_hdr = INT_MAX;
> s->in_data = INT_MAX;
> diff --git a/hw/char/cadence_uart.c b/hw/char/cadence_uart.c
> index b590d99..486591b 100644
> --- a/hw/char/cadence_uart.c
> +++ b/hw/char/cadence_uart.c
> @@ -205,7 +205,7 @@ static void uart_parameters_setup(CadenceUARTState *s)
> }
>
> packet_size += ssp.data_bits + ssp.stop_bits;
> - s->char_tx_time = (get_ticks_per_sec() / ssp.speed) * packet_size;
> + s->char_tx_time = (NANOSECONDS_PER_SECOND / ssp.speed) * packet_size;
> if (s->chr) {
> qemu_chr_fe_ioctl(s->chr, CHR_IOCTL_SERIAL_SET_PARAMS, &ssp);
> }
> @@ -479,7 +479,7 @@ static void cadence_uart_init(Object *obj)
> sysbus_init_mmio(sbd, &s->iomem);
> sysbus_init_irq(sbd, &s->irq);
>
> - s->char_tx_time = (get_ticks_per_sec() / 9600) * 10;
> + s->char_tx_time = (NANOSECONDS_PER_SECOND / 9600) * 10;
> }
>
> static int cadence_uart_post_load(void *opaque, int version_id)
> diff --git a/hw/char/serial.c b/hw/char/serial.c
> index 39e07db..54624c6 100644
> --- a/hw/char/serial.c
> +++ b/hw/char/serial.c
> @@ -178,7 +178,7 @@ static void serial_update_parameters(SerialState *s)
> ssp.parity = parity;
> ssp.data_bits = data_bits;
> ssp.stop_bits = stop_bits;
> - s->char_transmit_time = (get_ticks_per_sec() / speed) * frame_size;
> + s->char_transmit_time = (NANOSECONDS_PER_SECOND / speed) * frame_size;
> qemu_chr_fe_ioctl(s->chr, CHR_IOCTL_SERIAL_SET_PARAMS, &ssp);
>
> DPRINTF("speed=%d parity=%c data=%d stop=%d\n",
> @@ -216,8 +216,10 @@ static void serial_update_msl(SerialState *s)
> /* The real 16550A apparently has a 250ns response latency to line
> status changes.
> 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)
> - timer_mod(s->modem_status_poll,
> qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + get_ticks_per_sec() / 100);
> + if (s->poll_msl) {
> + timer_mod(s->modem_status_poll,
> qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
> + NANOSECONDS_PER_SECOND / 100);
> + }
> }
>
> static gboolean serial_xmit(GIOChannel *chan, GIOCondition cond, void
> *opaque)
> @@ -823,7 +825,7 @@ static void serial_reset(void *opaque)
> s->mcr = UART_MCR_OUT2;
> s->scr = 0;
> s->tsr_retry = 0;
> - s->char_transmit_time = (get_ticks_per_sec() / 9600) * 10;
> + s->char_transmit_time = (NANOSECONDS_PER_SECOND / 9600) * 10;
> s->poll_msl = 0;
>
> s->timeout_ipending = 0;
> diff --git a/hw/display/vga.c b/hw/display/vga.c
> index 555cac6..026b7d1 100644
> --- a/hw/display/vga.c
> +++ b/hw/display/vga.c
> @@ -235,9 +235,9 @@ static void
> vga_precise_update_retrace_info(VGACommonState *s)
>
> r->total_chars = vtotal_lines * htotal_chars;
> if (r->freq) {
> - r->ticks_per_char = get_ticks_per_sec() / (r->total_chars * r->freq);
> + r->ticks_per_char = NANOSECONDS_PER_SECOND / (r->total_chars *
> r->freq);
> } else {
> - r->ticks_per_char = get_ticks_per_sec() / chars_per_sec;
> + r->ticks_per_char = NANOSECONDS_PER_SECOND / chars_per_sec;
> }
>
> r->vstart = vretr_start_line;
> @@ -265,7 +265,7 @@ static void
> vga_precise_update_retrace_info(VGACommonState *s)
> "dots = %d\n"
> "ticks/char = %" PRId64 "\n"
> "\n",
> - (double) get_ticks_per_sec() / (r->ticks_per_char * r->total_chars),
> + (double) NANOSECONDS_PER_SECOND / (r->ticks_per_char *
> r->total_chars),
> htotal_chars,
> hretr_start_char,
> hretr_skew_chars,
> diff --git a/hw/dma/rc4030.c b/hw/dma/rc4030.c
> index 1c4f8df..a06c235 100644
> --- a/hw/dma/rc4030.c
> +++ b/hw/dma/rc4030.c
> @@ -112,7 +112,7 @@ static void set_next_tick(rc4030State *s)
> tm_hz = 1000 / (s->itr + 1);
>
> timer_mod(s->periodic_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
> - get_ticks_per_sec() / tm_hz);
> + NANOSECONDS_PER_SECOND / tm_hz);
> }
>
> /* called for accesses to rc4030 */
> diff --git a/hw/ide/core.c b/hw/ide/core.c
> index 241e840..f8883b2 100644
> --- a/hw/ide/core.c
> +++ b/hw/ide/core.c
> @@ -975,8 +975,8 @@ static void ide_sector_write_cb(void *opaque, int ret)
> that at the expense of slower write performances. Use this
> option _only_ to install Windows 2000. You must disable it
> for normal use. */
> - timer_mod(s->sector_write_timer,
> - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
> (get_ticks_per_sec() / 1000));
> + timer_mod(s->sector_write_timer,
> qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
> + (NANOSECONDS_PER_SECOND / 1000));
> } else {
> ide_set_irq(s->bus);
> }
> diff --git a/hw/input/hid.c b/hw/input/hid.c
> index 41a9387..874a5f5 100644
> --- a/hw/input/hid.c
> +++ b/hw/input/hid.c
> @@ -96,7 +96,7 @@ void hid_set_next_idle(HIDState *hs)
> {
> if (hs->idle) {
> uint64_t expire_time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
> - get_ticks_per_sec() * hs->idle * 4 / 1000;
> + NANOSECONDS_PER_SECOND * hs->idle * 4 / 1000;
> if (!hs->idle_timer) {
> hs->idle_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL,
> hid_idle_timer, hs);
> }
> diff --git a/hw/input/tsc2005.c b/hw/input/tsc2005.c
> index 8da4887..9b359aa 100644
> --- a/hw/input/tsc2005.c
> +++ b/hw/input/tsc2005.c
> @@ -291,7 +291,8 @@ static void tsc2005_pin_update(TSC2005State *s)
> s->precision = s->nextprecision;
> s->function = s->nextfunction;
> s->pdst = !s->pnd0; /* Synchronised on internal clock */
> - expires = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + (get_ticks_per_sec()
> >> 7);
> + expires = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
> + (NANOSECONDS_PER_SECOND >> 7);
> timer_mod(s->timer, expires);
> }
>
> diff --git a/hw/input/tsc210x.c b/hw/input/tsc210x.c
> index d11ef04..93ca374 100644
> --- a/hw/input/tsc210x.c
> +++ b/hw/input/tsc210x.c
> @@ -835,7 +835,8 @@ static void tsc210x_pin_update(TSC210xState *s)
> s->busy = 1;
> s->precision = s->nextprecision;
> s->function = s->nextfunction;
> - expires = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + (get_ticks_per_sec()
> >> 10);
> + expires = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
> + (NANOSECONDS_PER_SECOND >> 10);
> timer_mod(s->timer, expires);
> }
>
> diff --git a/hw/intc/i8259.c b/hw/intc/i8259.c
> index 6f3a863..bb43669 100644
> --- a/hw/intc/i8259.c
> +++ b/hw/intc/i8259.c
> @@ -230,7 +230,7 @@ int pic_read_irq(DeviceState *d)
> printf("IRQ%d latency=%0.3fus\n",
> irq,
> (double)(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) -
> - irq_time[irq]) * 1000000.0 / get_ticks_per_sec());
> + irq_time[irq]) * 1000000.0 / NANOSECONDS_PER_SECOND);
> #endif
> DPRINTF("pic_interrupt: irq=%d\n", irq);
> return intno;
> diff --git a/hw/misc/arm_sysctl.c b/hw/misc/arm_sysctl.c
> index 339205b..34d90d5 100644
> --- a/hw/misc/arm_sysctl.c
> +++ b/hw/misc/arm_sysctl.c
> @@ -171,7 +171,8 @@ static uint64_t arm_sysctl_read(void *opaque, hwaddr
> offset,
> case 0x58: /* BOOTCS */
> return 0;
> case 0x5c: /* 24MHz */
> - return muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), 24000000,
> get_ticks_per_sec());
> + return muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), 24000000,
> + NANOSECONDS_PER_SECOND);
> case 0x60: /* MISC */
> return 0;
> case 0x84: /* PROCID0 */
> diff --git a/hw/misc/macio/cuda.c b/hw/misc/macio/cuda.c
> index 481abdb..83995cc 100644
> --- a/hw/misc/macio/cuda.c
> +++ b/hw/misc/macio/cuda.c
> @@ -145,7 +145,7 @@ static void cuda_update_irq(CUDAState *s)
>
> static uint64_t get_tb(uint64_t time, uint64_t freq)
> {
> - return muldiv64(time, freq, get_ticks_per_sec());
> + return muldiv64(time, freq, NANOSECONDS_PER_SECOND);
> }
>
> static unsigned int get_counter(CUDATimer *ti)
> @@ -189,7 +189,7 @@ static int64_t get_next_irq_time(CUDATimer *s, int64_t
> current_time)
>
> /* current counter value */
> d = muldiv64(current_time - s->load_time,
> - CUDA_TIMER_FREQ, get_ticks_per_sec());
> + CUDA_TIMER_FREQ, NANOSECONDS_PER_SECOND);
> /* the timer goes down from latch to -1 (period of latch + 2) */
> if (d <= (s->counter_value + 1)) {
> counter = (s->counter_value - d) & 0xffff;
> @@ -208,7 +208,7 @@ static int64_t get_next_irq_time(CUDATimer *s, int64_t
> current_time)
> }
> CUDA_DPRINTF("latch=%d counter=%" PRId64 " delta_next=%" PRId64 "\n",
> s->latch, d, next_time - d);
> - next_time = muldiv64(next_time, get_ticks_per_sec(), CUDA_TIMER_FREQ) +
> + next_time = muldiv64(next_time, NANOSECONDS_PER_SECOND, CUDA_TIMER_FREQ)
> +
> s->load_time;
> if (next_time <= current_time)
> next_time = current_time + 1;
> @@ -531,7 +531,7 @@ static void cuda_adb_poll(void *opaque)
> }
> timer_mod(s->adb_poll_timer,
> qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
> - (get_ticks_per_sec() / (1000 / s->autopoll_rate_ms)));
> + (NANOSECONDS_PER_SECOND / (1000 / s->autopoll_rate_ms)));
> }
>
> /* description of commands */
> @@ -559,7 +559,7 @@ static bool cuda_cmd_autopoll(CUDAState *s,
> if (autopoll) {
> timer_mod(s->adb_poll_timer,
> qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
> - (get_ticks_per_sec() / (1000 / s->autopoll_rate_ms)));
> + (NANOSECONDS_PER_SECOND / (1000 /
> s->autopoll_rate_ms)));
> } else {
> timer_del(s->adb_poll_timer);
> }
> @@ -585,7 +585,7 @@ static bool cuda_cmd_set_autorate(CUDAState *s,
> if (s->autopoll) {
> timer_mod(s->adb_poll_timer,
> qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
> - (get_ticks_per_sec() / (1000 / s->autopoll_rate_ms)));
> + (NANOSECONDS_PER_SECOND / (1000 / s->autopoll_rate_ms)));
> }
> return true;
> }
> @@ -665,7 +665,7 @@ static bool cuda_cmd_get_time(CUDAState *s,
> }
>
> ti = s->tick_offset + (qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL)
> - / get_ticks_per_sec());
> + / NANOSECONDS_PER_SECOND);
> out_data[0] = ti >> 24;
> out_data[1] = ti >> 16;
> out_data[2] = ti >> 8;
> @@ -687,7 +687,7 @@ static bool cuda_cmd_set_time(CUDAState *s,
> ti = (((uint32_t)in_data[1]) << 24) + (((uint32_t)in_data[2]) << 16)
> + (((uint32_t)in_data[3]) << 8) + in_data[4];
> s->tick_offset = ti - (qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL)
> - / get_ticks_per_sec());
> + / NANOSECONDS_PER_SECOND);
> return true;
> }
>
> diff --git a/hw/misc/macio/macio.c b/hw/misc/macio/macio.c
> index 42325bf..5071f95 100644
> --- a/hw/misc/macio/macio.c
> +++ b/hw/misc/macio/macio.c
> @@ -253,7 +253,7 @@ static uint64_t timer_read(void *opaque, hwaddr addr,
> unsigned size)
> uint64_t systime = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
> uint64_t kltime;
>
> - kltime = muldiv64(systime, 4194300, get_ticks_per_sec() * 4);
> + kltime = muldiv64(systime, 4194300, NANOSECONDS_PER_SECOND * 4);
> kltime = muldiv64(kltime, 18432000, 1048575);
>
> switch (addr) {
> diff --git a/hw/net/dp8393x.c b/hw/net/dp8393x.c
> index e847b77..e6c9f98 100644
> --- a/hw/net/dp8393x.c
> +++ b/hw/net/dp8393x.c
> @@ -293,7 +293,7 @@ static void dp8393x_set_next_tick(dp8393xState *s)
>
> ticks = s->regs[SONIC_WT1] << 16 | s->regs[SONIC_WT0];
> s->wt_last_update = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
> - delay = get_ticks_per_sec() * ticks / 5000000;
> + delay = NANOSECONDS_PER_SECOND * ticks / 5000000;
> timer_mod(s->watchdog, s->wt_last_update + delay);
> }
>
> diff --git a/hw/ppc/ppc.c b/hw/ppc/ppc.c
> index ce90b09..8ebf3c9 100644
> --- a/hw/ppc/ppc.c
> +++ b/hw/ppc/ppc.c
> @@ -463,7 +463,7 @@ void ppce500_set_mpic_proxy(bool enabled)
> uint64_t cpu_ppc_get_tb(ppc_tb_t *tb_env, uint64_t vmclk, int64_t tb_offset)
> {
> /* TB time in tb periods */
> - return muldiv64(vmclk, tb_env->tb_freq, get_ticks_per_sec()) + tb_offset;
> + return muldiv64(vmclk, tb_env->tb_freq, NANOSECONDS_PER_SECOND) +
> tb_offset;
> }
>
> uint64_t cpu_ppc_load_tbl (CPUPPCState *env)
> @@ -504,7 +504,9 @@ uint32_t cpu_ppc_load_tbu (CPUPPCState *env)
> static inline void cpu_ppc_store_tb(ppc_tb_t *tb_env, uint64_t vmclk,
> int64_t *tb_offsetp, uint64_t value)
> {
> - *tb_offsetp = value - muldiv64(vmclk, tb_env->tb_freq,
> get_ticks_per_sec());
> + *tb_offsetp = value -
> + muldiv64(vmclk, tb_env->tb_freq, NANOSECONDS_PER_SECOND);
> +
> LOG_TB("%s: tb %016" PRIx64 " offset %08" PRIx64 "\n",
> __func__, value, *tb_offsetp);
> }
> @@ -638,11 +640,11 @@ static inline uint32_t _cpu_ppc_load_decr(CPUPPCState
> *env, uint64_t next)
>
> diff = next - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
> if (diff >= 0) {
> - decr = muldiv64(diff, tb_env->decr_freq, get_ticks_per_sec());
> + decr = muldiv64(diff, tb_env->decr_freq, NANOSECONDS_PER_SECOND);
> } else if (tb_env->flags & PPC_TIMER_BOOKE) {
> decr = 0;
> } else {
> - decr = -muldiv64(-diff, tb_env->decr_freq, get_ticks_per_sec());
> + decr = -muldiv64(-diff, tb_env->decr_freq, NANOSECONDS_PER_SECOND);
> }
> LOG_TB("%s: %08" PRIx32 "\n", __func__, decr);
>
> @@ -674,7 +676,8 @@ uint64_t cpu_ppc_load_purr (CPUPPCState *env)
>
> 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());
> + return tb_env->purr_load +
> + muldiv64(diff, tb_env->tb_freq, NANOSECONDS_PER_SECOND);
> }
>
> /* When decrementer expires,
> @@ -750,7 +753,7 @@ static void __cpu_ppc_store_decr(PowerPCCPU *cpu,
> uint64_t *nextp,
>
> /* Calculate the next timer event */
> now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
> - next = now + muldiv64(value, get_ticks_per_sec(), tb_env->decr_freq);
> + next = now + muldiv64(value, NANOSECONDS_PER_SECOND, tb_env->decr_freq);
> *nextp = next;
>
> /* Adjust timer */
> @@ -1011,7 +1014,7 @@ static void cpu_4xx_fit_cb (void *opaque)
> /* Cannot occur, but makes gcc happy */
> return;
> }
> - next = now + muldiv64(next, get_ticks_per_sec(), tb_env->tb_freq);
> + next = now + muldiv64(next, NANOSECONDS_PER_SECOND, tb_env->tb_freq);
> if (next == now)
> next++;
> timer_mod(ppc40x_timer->fit_timer, next);
> @@ -1042,7 +1045,7 @@ static void start_stop_pit (CPUPPCState *env, ppc_tb_t
> *tb_env, int is_excp)
> __func__, ppc40x_timer->pit_reload);
> now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
> next = now + muldiv64(ppc40x_timer->pit_reload,
> - get_ticks_per_sec(), tb_env->decr_freq);
> + NANOSECONDS_PER_SECOND, tb_env->decr_freq);
> if (is_excp)
> next += tb_env->decr_next - now;
> if (next == now)
> @@ -1107,7 +1110,7 @@ static void cpu_4xx_wdt_cb (void *opaque)
> /* Cannot occur, but makes gcc happy */
> return;
> }
> - next = now + muldiv64(next, get_ticks_per_sec(), tb_env->decr_freq);
> + next = now + muldiv64(next, NANOSECONDS_PER_SECOND, tb_env->decr_freq);
> if (next == now)
> next++;
> LOG_TB("%s: TCR " TARGET_FMT_lx " TSR " TARGET_FMT_lx "\n", __func__,
> diff --git a/hw/ppc/ppc405_uc.c b/hw/ppc/ppc405_uc.c
> index ec81f65..3fcaf01 100644
> --- a/hw/ppc/ppc405_uc.c
> +++ b/hw/ppc/ppc405_uc.c
> @@ -1353,7 +1353,7 @@ static uint32_t ppc4xx_gpt_readl (void *opaque, hwaddr
> addr)
> case 0x00:
> /* Time base counter */
> ret = muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
> gpt->tb_offset,
> - gpt->tb_freq, get_ticks_per_sec());
> + gpt->tb_freq, NANOSECONDS_PER_SECOND);
> break;
> case 0x10:
> /* Output enable */
> @@ -1408,7 +1408,7 @@ static void ppc4xx_gpt_writel (void *opaque,
> switch (addr) {
> case 0x00:
> /* Time base counter */
> - gpt->tb_offset = muldiv64(value, get_ticks_per_sec(), gpt->tb_freq)
> + gpt->tb_offset = muldiv64(value, NANOSECONDS_PER_SECOND,
> gpt->tb_freq)
> - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
> ppc4xx_gpt_compute_timer(gpt);
> break;
> diff --git a/hw/ppc/ppc_booke.c b/hw/ppc/ppc_booke.c
> index a8d4e76..86fafc9 100644
> --- a/hw/ppc/ppc_booke.c
> +++ b/hw/ppc/ppc_booke.c
> @@ -163,7 +163,7 @@ static void booke_update_fixed_timer(CPUPPCState
> *env,
> ticks += delta_tick;
> }
>
> - *next = now + muldiv64(ticks, get_ticks_per_sec(), tb_env->tb_freq);
> + *next = now + muldiv64(ticks, NANOSECONDS_PER_SECOND, tb_env->tb_freq);
> if ((*next < now) || (*next > INT64_MAX)) {
> /* Overflow, so assume the biggest number the qemu timer supports. */
> *next = INT64_MAX;
> diff --git a/hw/sd/sdhci-internal.h b/hw/sd/sdhci-internal.h
> index c712daf..161177c 100644
> --- a/hw/sd/sdhci-internal.h
> +++ b/hw/sd/sdhci-internal.h
> @@ -216,7 +216,7 @@
> #define SD_HOST_SPECv2_VERS 0x2401
>
> #define SDHC_REGISTERS_MAP_SIZE 0x100
> -#define SDHC_INSERTION_DELAY (get_ticks_per_sec())
> +#define SDHC_INSERTION_DELAY (NANOSECONDS_PER_SECOND)
> #define SDHC_TRANSFER_DELAY 100
> #define SDHC_ADMA_DESCS_PER_DELAY 5
> #define SDHC_CMD_RESPONSE (3 << 0)
> diff --git a/hw/sparc64/sun4u.c b/hw/sparc64/sun4u.c
> index 0a6f453..232bdc2 100644
> --- a/hw/sparc64/sun4u.c
> +++ b/hw/sparc64/sun4u.c
> @@ -445,12 +445,12 @@ static void hstick_irq(void *opaque)
>
> static int64_t cpu_to_timer_ticks(int64_t cpu_ticks, uint32_t frequency)
> {
> - return muldiv64(cpu_ticks, get_ticks_per_sec(), frequency);
> + return muldiv64(cpu_ticks, NANOSECONDS_PER_SECOND, frequency);
> }
>
> static uint64_t timer_to_cpu_ticks(int64_t timer_ticks, uint32_t frequency)
> {
> - return muldiv64(timer_ticks, frequency, get_ticks_per_sec());
> + return muldiv64(timer_ticks, frequency, NANOSECONDS_PER_SECOND);
> }
>
> void cpu_tick_set_count(CPUTimer *timer, uint64_t count)
> diff --git a/hw/timer/i8254.c b/hw/timer/i8254.c
> index b84a33f..5e61ad5 100644
> --- a/hw/timer/i8254.c
> +++ b/hw/timer/i8254.c
> @@ -53,7 +53,7 @@ static int pit_get_count(PITChannelState *s)
> int counter;
>
> d = muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) - s->count_load_time,
> PIT_FREQ,
> - get_ticks_per_sec());
> + NANOSECONDS_PER_SECOND);
> switch(s->mode) {
> case 0:
> case 1:
> @@ -263,7 +263,7 @@ static void pit_irq_timer_update(PITChannelState *s,
> int64_t current_time)
> #ifdef DEBUG_PIT
> printf("irq_level=%d next_delay=%f\n",
> irq_level,
> - (double)(expire_time - current_time) / get_ticks_per_sec());
> + (double)(expire_time - current_time) / NANOSECONDS_PER_SECOND);
> #endif
> s->next_transition_time = expire_time;
> if (expire_time != -1)
> diff --git a/hw/timer/i8254_common.c b/hw/timer/i8254_common.c
> index ed511b8..e18299a 100644
> --- a/hw/timer/i8254_common.c
> +++ b/hw/timer/i8254_common.c
> @@ -47,7 +47,7 @@ int pit_get_out(PITChannelState *s, int64_t current_time)
> int out;
>
> d = muldiv64(current_time - s->count_load_time, PIT_FREQ,
> - get_ticks_per_sec());
> + NANOSECONDS_PER_SECOND);
> switch (s->mode) {
> default:
> case 0:
> @@ -81,7 +81,7 @@ int64_t pit_get_next_transition_time(PITChannelState *s,
> int64_t current_time)
> int period2;
>
> d = muldiv64(current_time - s->count_load_time, PIT_FREQ,
> - get_ticks_per_sec());
> + NANOSECONDS_PER_SECOND);
> switch (s->mode) {
> default:
> case 0:
> @@ -121,7 +121,7 @@ int64_t pit_get_next_transition_time(PITChannelState *s,
> int64_t current_time)
> break;
> }
> /* convert to timer units */
> - next_time = s->count_load_time + muldiv64(next_time, get_ticks_per_sec(),
> + next_time = s->count_load_time + muldiv64(next_time,
> NANOSECONDS_PER_SECOND,
> PIT_FREQ);
> /* fix potential rounding problems */
> /* XXX: better solution: use a clock at PIT_FREQ Hz */
> diff --git a/hw/timer/mc146818rtc.c b/hw/timer/mc146818rtc.c
> index eb0100a..9f173f6 100644
> --- a/hw/timer/mc146818rtc.c
> +++ b/hw/timer/mc146818rtc.c
> @@ -106,8 +106,8 @@ static uint64_t get_guest_rtc_ns(RTCState *s)
> uint64_t guest_rtc;
> uint64_t guest_clock = qemu_clock_get_ns(rtc_clock);
>
> - guest_rtc = s->base_rtc * NANOSECONDS_PER_SECOND
> - + guest_clock - s->last_update + s->offset;
> + guest_rtc = s->base_rtc * NANOSECONDS_PER_SECOND +
> + guest_clock - s->last_update + s->offset;
> return guest_rtc;
> }
>
> @@ -120,7 +120,7 @@ static void rtc_coalesced_timer_update(RTCState *s)
> /* 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);
> + muldiv64(s->period / c, NANOSECONDS_PER_SECOND, RTC_CLOCK_RATE);
> timer_mod(s->coalesced_timer, next_clock);
> }
> }
> @@ -166,10 +166,12 @@ static void periodic_timer_update(RTCState *s, int64_t
> current_time)
> s->period = period;
> #endif
> /* compute 32 khz clock */
> - cur_clock = muldiv64(current_time, RTC_CLOCK_RATE,
> get_ticks_per_sec());
> + cur_clock =
> + muldiv64(current_time, RTC_CLOCK_RATE, NANOSECONDS_PER_SECOND);
> +
> next_irq_clock = (cur_clock & ~(period - 1)) + period;
> - s->next_periodic_time =
> - muldiv64(next_irq_clock, get_ticks_per_sec(), RTC_CLOCK_RATE) +
> 1;
> + s->next_periodic_time = muldiv64(next_irq_clock,
> NANOSECONDS_PER_SECOND,
> + RTC_CLOCK_RATE) + 1;
> timer_mod(s->periodic_timer, s->next_periodic_time);
> } else {
> #ifdef TARGET_I386
> diff --git a/hw/timer/omap_gptimer.c b/hw/timer/omap_gptimer.c
> index b303421..3a43863 100644
> --- a/hw/timer/omap_gptimer.c
> +++ b/hw/timer/omap_gptimer.c
> @@ -402,7 +402,7 @@ static void omap_gp_timer_write(void *opaque, hwaddr addr,
> if (s->trigger == gpt_trigger_none)
> omap_gp_timer_out(s, s->scpwm);
> /* TODO: make sure this doesn't overflow 32-bits */
> - s->ticks_per_sec = get_ticks_per_sec() << (s->pre ? s->ptv + 1 : 0);
> + s->ticks_per_sec = NANOSECONDS_PER_SECOND << (s->pre ? s->ptv + 1 :
> 0);
> omap_gp_timer_update(s);
> break;
>
> diff --git a/hw/timer/omap_synctimer.c b/hw/timer/omap_synctimer.c
> index edd8d98..9ee6519 100644
> --- a/hw/timer/omap_synctimer.c
> +++ b/hw/timer/omap_synctimer.c
> @@ -29,7 +29,8 @@ struct omap_synctimer_s {
>
> /* 32-kHz Sync Timer of the OMAP2 */
> static uint32_t omap_synctimer_read(struct omap_synctimer_s *s) {
> - return muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), 0x8000,
> get_ticks_per_sec());
> + return muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), 0x8000,
> + NANOSECONDS_PER_SECOND);
> }
>
> void omap_synctimer_reset(struct omap_synctimer_s *s)
> diff --git a/hw/timer/pl031.c b/hw/timer/pl031.c
> index 3ccb2cb..bdec478 100644
> --- a/hw/timer/pl031.c
> +++ b/hw/timer/pl031.c
> @@ -80,7 +80,7 @@ static void pl031_interrupt(void * opaque)
> static uint32_t pl031_get_count(PL031State *s)
> {
> int64_t now = qemu_clock_get_ns(rtc_clock);
> - return s->tick_offset + now / get_ticks_per_sec();
> + return s->tick_offset + now / NANOSECONDS_PER_SECOND;
> }
>
> static void pl031_set_alarm(PL031State *s)
> @@ -96,7 +96,7 @@ static void pl031_set_alarm(PL031State *s)
> pl031_interrupt(s);
> } else {
> int64_t now = qemu_clock_get_ns(rtc_clock);
> - timer_mod(s->timer, now + (int64_t)ticks * get_ticks_per_sec());
> + timer_mod(s->timer, now + (int64_t)ticks * NANOSECONDS_PER_SECOND);
> }
> }
>
> @@ -204,7 +204,7 @@ static void pl031_init(Object *obj)
> sysbus_init_irq(dev, &s->irq);
> qemu_get_timedate(&tm, 0);
> s->tick_offset = mktimegm(&tm) -
> - qemu_clock_get_ns(rtc_clock) / get_ticks_per_sec();
> + qemu_clock_get_ns(rtc_clock) / NANOSECONDS_PER_SECOND;
>
> s->timer = timer_new_ns(rtc_clock, pl031_interrupt, s);
> }
> @@ -216,7 +216,7 @@ static void pl031_pre_save(void *opaque)
> /* tick_offset is base_time - rtc_clock base time. Instead, we want to
> * 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();
> + s->tick_offset_vmstate = s->tick_offset + delta / NANOSECONDS_PER_SECOND;
> }
>
> static int pl031_post_load(void *opaque, int version_id)
> @@ -224,7 +224,7 @@ static int pl031_post_load(void *opaque, int version_id)
> PL031State *s = opaque;
>
> 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();
> + s->tick_offset = s->tick_offset_vmstate - delta / NANOSECONDS_PER_SECOND;
> pl031_set_alarm(s);
> return 0;
> }
> diff --git a/hw/timer/pxa2xx_timer.c b/hw/timer/pxa2xx_timer.c
> index 33449e6..59002b4 100644
> --- a/hw/timer/pxa2xx_timer.c
> +++ b/hw/timer/pxa2xx_timer.c
> @@ -119,11 +119,11 @@ static void pxa2xx_timer_update(void *opaque, uint64_t
> now_qemu)
> uint64_t new_qemu;
>
> now_vm = s->clock +
> - muldiv64(now_qemu - s->lastload, s->freq, get_ticks_per_sec());
> + muldiv64(now_qemu - s->lastload, s->freq,
> NANOSECONDS_PER_SECOND);
>
> 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);
> + NANOSECONDS_PER_SECOND, s->freq);
> timer_mod(s->timer[i].qtimer, new_qemu);
> }
> }
> @@ -148,10 +148,10 @@ static void pxa2xx_timer_update4(void *opaque, uint64_t
> now_qemu, int n)
>
> now_vm = s->tm4[counter].clock + muldiv64(now_qemu -
> s->tm4[counter].lastload,
> - s->tm4[counter].freq, get_ticks_per_sec());
> + s->tm4[counter].freq, NANOSECONDS_PER_SECOND);
>
> new_qemu = now_qemu + muldiv64((uint32_t) (s->tm4[n].tm.value - now_vm),
> - get_ticks_per_sec(), s->tm4[counter].freq);
> + NANOSECONDS_PER_SECOND, s->tm4[counter].freq);
> timer_mod(s->tm4[n].tm.qtimer, new_qemu);
> }
>
> @@ -190,7 +190,7 @@ static uint64_t pxa2xx_timer_read(void *opaque, hwaddr
> offset,
> return s->tm4[tm].tm.value;
> case OSCR:
> return s->clock + muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) -
> - s->lastload, s->freq, get_ticks_per_sec());
> + s->lastload, s->freq, NANOSECONDS_PER_SECOND);
> case OSCR11: tm ++;
> /* fall through */
> case OSCR10: tm ++;
> @@ -214,15 +214,17 @@ static uint64_t pxa2xx_timer_read(void *opaque, hwaddr
> offset,
> s->snapshot = s->tm4[tm - 1].clock + muldiv64(
> qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) -
> s->tm4[tm - 1].lastload,
> - s->tm4[tm - 1].freq, get_ticks_per_sec());
> + s->tm4[tm - 1].freq, NANOSECONDS_PER_SECOND);
> else
> s->snapshot = s->tm4[tm - 1].clock;
> }
>
> if (!s->tm4[tm].freq)
> return s->tm4[tm].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());
> + return s->tm4[tm].clock +
> + muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) -
> + s->tm4[tm].lastload, s->tm4[tm].freq,
> + NANOSECONDS_PER_SECOND);
> case OIER:
> return s->irq_enabled;
> case OSSR: /* Status register */
> diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c
> index 1b50601..658e3de 100644
> --- a/hw/usb/hcd-ehci.c
> +++ b/hw/usb/hcd-ehci.c
> @@ -2303,10 +2303,11 @@ static void ehci_frame_timer(void *opaque)
> /* If we've raised int, we speed up the timer, so that we quickly
> * notice any new packets queued up in response */
> if (ehci->int_req_by_async && (ehci->usbsts & USBSTS_INT)) {
> - expire_time = t_now + get_ticks_per_sec() / (FRAME_TIMER_FREQ *
> 4);
> + expire_time = t_now +
> + NANOSECONDS_PER_SECOND / (FRAME_TIMER_FREQ * 4);
> ehci->int_req_by_async = false;
> } else {
> - expire_time = t_now + (get_ticks_per_sec()
> + expire_time = t_now + (NANOSECONDS_PER_SECOND
> * (ehci->async_stepdown+1) /
> FRAME_TIMER_FREQ);
> }
> timer_mod(ehci->frame_timer, expire_time);
> diff --git a/hw/usb/hcd-musb.c b/hw/usb/hcd-musb.c
> index cd23197..27d9d0b 100644
> --- a/hw/usb/hcd-musb.c
> +++ b/hw/usb/hcd-musb.c
> @@ -564,7 +564,7 @@ static void musb_schedule_cb(USBPort *port, USBPacket
> *packey)
> ep->intv_timer[dir] = timer_new_ns(QEMU_CLOCK_VIRTUAL, musb_cb_tick,
> ep);
>
> timer_mod(ep->intv_timer[dir], qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
> - muldiv64(timeout, get_ticks_per_sec(), 8000));
> + muldiv64(timeout, NANOSECONDS_PER_SECOND, 8000));
> }
>
> static int musb_timeout(int ttype, int speed, int val)
> diff --git a/hw/usb/hcd-ohci.c b/hw/usb/hcd-ohci.c
> index 17ed461..1a9688c 100644
> --- a/hw/usb/hcd-ohci.c
> +++ b/hw/usb/hcd-ohci.c
> @@ -1849,12 +1849,12 @@ static void usb_ohci_init(OHCIState *ohci,
> DeviceState *dev,
>
> if (usb_frame_time == 0) {
> #ifdef OHCI_TIME_WARP
> - usb_frame_time = get_ticks_per_sec();
> - usb_bit_time = muldiv64(1, get_ticks_per_sec(), USB_HZ/1000);
> + usb_frame_time = NANOSECONDS_PER_SECOND;
> + usb_bit_time = NANOSECONDS_PER_SECOND / (USB_HZ / 1000);
> #else
> - usb_frame_time = muldiv64(1, get_ticks_per_sec(), 1000);
> - if (get_ticks_per_sec() >= USB_HZ) {
> - usb_bit_time = muldiv64(1, get_ticks_per_sec(), USB_HZ);
> + usb_frame_time = NANOSECONDS_PER_SECOND / 1000;
> + if (NANOSECONDS_PER_SECOND >= USB_HZ) {
> + usb_bit_time = NANOSECONDS_PER_SECOND / USB_HZ;
> } else {
> usb_bit_time = 1;
> }
> diff --git a/hw/usb/hcd-uhci.c b/hw/usb/hcd-uhci.c
> index c370240..2dbf22b 100644
> --- a/hw/usb/hcd-uhci.c
> +++ b/hw/usb/hcd-uhci.c
> @@ -402,7 +402,7 @@ static int uhci_post_load(void *opaque, int version_id)
>
> if (version_id < 2) {
> s->expire_time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
> - (get_ticks_per_sec() / FRAME_TIMER_FREQ);
> + (NANOSECONDS_PER_SECOND / FRAME_TIMER_FREQ);
> }
> return 0;
> }
> @@ -444,7 +444,7 @@ static void uhci_port_write(void *opaque, hwaddr addr,
> /* start frame processing */
> trace_usb_uhci_schedule_start();
> s->expire_time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
> - (get_ticks_per_sec() / FRAME_TIMER_FREQ);
> + (NANOSECONDS_PER_SECOND / FRAME_TIMER_FREQ);
> timer_mod(s->frame_timer, s->expire_time);
> s->status &= ~UHCI_STS_HCHALTED;
> } else if (!(val & UHCI_CMD_RS)) {
> @@ -1130,7 +1130,7 @@ static void uhci_frame_timer(void *opaque)
> UHCIState *s = opaque;
> uint64_t t_now, t_last_run;
> int i, frames;
> - const uint64_t frame_t = get_ticks_per_sec() / FRAME_TIMER_FREQ;
> + const uint64_t frame_t = NANOSECONDS_PER_SECOND / FRAME_TIMER_FREQ;
>
> s->completions_only = false;
> qemu_bh_cancel(s->bh);
> diff --git a/hw/usb/tusb6010.c b/hw/usb/tusb6010.c
> index 9f6af90..8f593a6 100644
> --- a/hw/usb/tusb6010.c
> +++ b/hw/usb/tusb6010.c
> @@ -516,7 +516,7 @@ static void tusb_async_writew(void *opaque, hwaddr addr,
> if (value & TUSB_DEV_OTG_TIMER_ENABLE)
> 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));
> + NANOSECONDS_PER_SECOND, TUSB_DEVCLOCK));
> else
> timer_del(s->otg_timer);
> break;
> @@ -726,8 +726,8 @@ static void tusb6010_power(TUSBState *s, int on)
> /* Pull the interrupt down after TUSB6010 comes up. */
> s->intr_ok = 0;
> tusb_intr_update(s);
> - timer_mod(s->pwr_timer,
> - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
> get_ticks_per_sec() / 2);
> + timer_mod(s->pwr_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
> + NANOSECONDS_PER_SECOND / 2);
> }
> }
>
> diff --git a/hw/watchdog/wdt_diag288.c b/hw/watchdog/wdt_diag288.c
> index 1c3658e..f54a35a 100644
> --- a/hw/watchdog/wdt_diag288.c
> +++ b/hw/watchdog/wdt_diag288.c
> @@ -79,7 +79,7 @@ static int wdt_diag288_handle_timer(DIAG288State *diag288,
> }
> timer_mod(diag288->timer,
> qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
> - timeout * get_ticks_per_sec());
> + timeout * NANOSECONDS_PER_SECOND);
> break;
> case WDT_DIAG288_CANCEL:
> if (!diag288->enabled) {
> diff --git a/hw/watchdog/wdt_ib700.c b/hw/watchdog/wdt_ib700.c
> index 532530b..532afe8 100644
> --- a/hw/watchdog/wdt_ib700.c
> +++ b/hw/watchdog/wdt_ib700.c
> @@ -64,7 +64,7 @@ static void ib700_write_enable_reg(void *vp, uint32_t addr,
> uint32_t data)
>
> ib700_debug("addr = %x, data = %x\n", addr, data);
>
> - timeout = (int64_t) time_map[data & 0xF] * get_ticks_per_sec();
> + timeout = (int64_t) time_map[data & 0xF] * NANOSECONDS_PER_SECOND;
> timer_mod(s->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + timeout);
> }
>
> diff --git a/include/hw/acpi/acpi.h b/include/hw/acpi/acpi.h
> index 7462e20..a2aa704 100644
> --- a/include/hw/acpi/acpi.h
> +++ b/include/hw/acpi/acpi.h
> @@ -155,7 +155,7 @@ void acpi_pm_tmr_reset(ACPIREGS *ar);
> static inline int64_t acpi_pm_tmr_get_clock(void)
> {
> return muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL),
> PM_TIMER_FREQUENCY,
> - get_ticks_per_sec());
> + NANOSECONDS_PER_SECOND);
> }
>
> /* PM1a_EVT: piix and ich9 don't implement PM1b. */
> diff --git a/include/qemu/timer.h b/include/qemu/timer.h
> index d0946cb..384fc6b 100644
> --- a/include/qemu/timer.h
> +++ b/include/qemu/timer.h
> @@ -785,18 +785,13 @@ void cpu_enable_ticks(void);
> /* Caller must hold BQL */
> void cpu_disable_ticks(void);
>
> -static inline int64_t get_ticks_per_sec(void)
> -{
> - return 1000000000LL;
> -}
> -
> static inline int64_t get_max_clock_jump(void)
> {
> /* This should be small enough to prevent excessive interrupts from being
> * generated by the RTC on clock jumps, but large enough to avoid
> frequent
> * unnecessary resets in idle VMs.
> */
> - return 60 * get_ticks_per_sec();
> + return 60 * NANOSECONDS_PER_SECOND;
> }
>
> /*
> @@ -822,7 +817,7 @@ static inline int64_t get_clock(void)
> {
> LARGE_INTEGER ti;
> QueryPerformanceCounter(&ti);
> - return muldiv64(ti.QuadPart, get_ticks_per_sec(), clock_freq);
> + return muldiv64(ti.QuadPart, NANOSECONDS_PER_SECOND, clock_freq);
> }
>
> #else
> diff --git a/monitor.c b/monitor.c
> index e99ca8c..6bdf174 100644
> --- a/monitor.c
> +++ b/monitor.c
> @@ -1506,9 +1506,9 @@ int64_t dev_time;
> static void hmp_info_profile(Monitor *mon, const QDict *qdict)
> {
> monitor_printf(mon, "async time %" PRId64 " (%0.3f)\n",
> - dev_time, dev_time / (double)get_ticks_per_sec());
> + dev_time, dev_time / (double)NANOSECONDS_PER_SECOND);
> monitor_printf(mon, "qemu time %" PRId64 " (%0.3f)\n",
> - tcg_time, tcg_time / (double)get_ticks_per_sec());
> + tcg_time, tcg_time / (double)NANOSECONDS_PER_SECOND);
> tcg_time = 0;
> dev_time = 0;
> }
> diff --git a/target-ppc/kvm.c b/target-ppc/kvm.c
> index d67c169..a095c91 100644
> --- a/target-ppc/kvm.c
> +++ b/target-ppc/kvm.c
> @@ -1336,7 +1336,7 @@ void kvm_arch_pre_run(CPUState *cs, struct kvm_run *run)
>
> /* Always wake up soon in case the interrupt was level based */
> timer_mod(idle_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
> - (get_ticks_per_sec() / 50));
> + (NANOSECONDS_PER_SECOND / 50));
> }
>
> /* We don't know if there are more interrupts pending after this.
> However,
> @@ -1796,7 +1796,7 @@ uint32_t kvmppc_get_tbfreq(void)
> {
> char line[512];
> char *ns;
> - uint32_t retval = get_ticks_per_sec();
> + uint32_t retval = NANOSECONDS_PER_SECOND;
>
> if (read_cpuinfo("timebase", line, sizeof(line))) {
> return retval;
>