[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH 1/5] Rename QEMU_TIMER_* to QEMU_CLOCK_*
From: |
Jan Kiszka |
Subject: |
[Qemu-devel] [PATCH 1/5] Rename QEMU_TIMER_* to QEMU_CLOCK_* |
Date: |
Wed, 09 Sep 2009 17:11:12 +0200 |
User-agent: |
StGIT/0.14.3 |
These constants select clocks, not timers. And init_timers initializes
clocks.
Signed-off-by: Jan Kiszka <address@hidden>
---
vl.c | 54 +++++++++++++++++++++++++++---------------------------
1 files changed, 27 insertions(+), 27 deletions(-)
diff --git a/vl.c b/vl.c
index 098daaa..872083d 100644
--- a/vl.c
+++ b/vl.c
@@ -529,7 +529,7 @@ uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
/***********************************************************/
/* real time host monotonic timer */
-#define QEMU_TIMER_BASE 1000000000LL
+#define QEMU_CLOCK_BASE 1000000000LL
#ifdef WIN32
@@ -551,7 +551,7 @@ static int64_t get_clock(void)
{
LARGE_INTEGER ti;
QueryPerformanceCounter(&ti);
- return muldiv64(ti.QuadPart, QEMU_TIMER_BASE, clock_freq);
+ return muldiv64(ti.QuadPart, QEMU_CLOCK_BASE, clock_freq);
}
#else
@@ -671,8 +671,8 @@ void cpu_disable_ticks(void)
/***********************************************************/
/* timers */
-#define QEMU_TIMER_REALTIME 0
-#define QEMU_TIMER_VIRTUAL 1
+#define QEMU_CLOCK_REALTIME 0
+#define QEMU_CLOCK_VIRTUAL 1
struct QEMUClock {
int type;
@@ -754,7 +754,7 @@ static void rtc_stop_timer(struct qemu_alarm_timer *t);
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 (QEMU_TIMER_BASE / 10)
+#define ICOUNT_WOBBLE (QEMU_CLOCK_BASE / 10)
static void icount_adjust(void)
{
@@ -796,7 +796,7 @@ static void icount_adjust_rt(void * opaque)
static void icount_adjust_vm(void * opaque)
{
qemu_mod_timer(icount_vm_timer,
- qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10);
+ qemu_get_clock(vm_clock) + QEMU_CLOCK_BASE / 10);
icount_adjust();
}
@@ -812,7 +812,7 @@ static void init_icount_adjust(void)
qemu_get_clock(rt_clock) + 1000);
icount_vm_timer = qemu_new_timer(vm_clock, icount_adjust_vm, NULL);
qemu_mod_timer(icount_vm_timer,
- qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10);
+ qemu_get_clock(vm_clock) + QEMU_CLOCK_BASE / 10);
}
static struct qemu_alarm_timer alarm_timers[] = {
@@ -1020,10 +1020,10 @@ static void qemu_run_timers(QEMUTimer **ptimer_head,
int64_t current_time)
int64_t qemu_get_clock(QEMUClock *clock)
{
switch(clock->type) {
- case QEMU_TIMER_REALTIME:
+ case QEMU_CLOCK_REALTIME:
return get_clock() / 1000000;
default:
- case QEMU_TIMER_VIRTUAL:
+ case QEMU_CLOCK_VIRTUAL:
if (use_icount) {
return cpu_get_icount();
} else {
@@ -1032,12 +1032,12 @@ int64_t qemu_get_clock(QEMUClock *clock)
}
}
-static void init_timers(void)
+static void init_clocks(void)
{
init_get_clock();
- ticks_per_sec = QEMU_TIMER_BASE;
- rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME);
- vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL);
+ ticks_per_sec = QEMU_CLOCK_BASE;
+ rt_clock = qemu_new_clock(QEMU_CLOCK_REALTIME);
+ vm_clock = qemu_new_clock(QEMU_CLOCK_VIRTUAL);
}
/* save a timer */
@@ -1131,9 +1131,9 @@ static void host_alarm_handler(int host_signum)
#endif
if (alarm_has_dynticks(alarm_timer) ||
(!use_icount &&
- qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL],
+ qemu_timer_expired(active_timers[QEMU_CLOCK_VIRTUAL],
qemu_get_clock(vm_clock))) ||
- qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME],
+ qemu_timer_expired(active_timers[QEMU_CLOCK_REALTIME],
qemu_get_clock(rt_clock))) {
qemu_event_increment();
if (alarm_timer) alarm_timer->flags |= ALARM_FLAG_EXPIRED;
@@ -1153,8 +1153,8 @@ static int64_t qemu_next_deadline(void)
{
int64_t delta;
- if (active_timers[QEMU_TIMER_VIRTUAL]) {
- delta = active_timers[QEMU_TIMER_VIRTUAL]->expire_time -
+ if (active_timers[QEMU_CLOCK_VIRTUAL]) {
+ delta = active_timers[QEMU_CLOCK_VIRTUAL]->expire_time -
qemu_get_clock(vm_clock);
} else {
/* To avoid problems with overflow limit this to 2^32. */
@@ -1178,8 +1178,8 @@ static uint64_t qemu_next_deadline_dyntick(void)
else
delta = (qemu_next_deadline() + 999) / 1000;
- if (active_timers[QEMU_TIMER_REALTIME]) {
- rtdelta = (active_timers[QEMU_TIMER_REALTIME]->expire_time -
+ if (active_timers[QEMU_CLOCK_REALTIME]) {
+ rtdelta = (active_timers[QEMU_CLOCK_REALTIME]->expire_time -
qemu_get_clock(rt_clock))*1000;
if (rtdelta < delta)
delta = rtdelta;
@@ -1361,8 +1361,8 @@ static void dynticks_rearm_timer(struct qemu_alarm_timer
*t)
int64_t nearest_delta_us = INT64_MAX;
int64_t current_us;
- if (!active_timers[QEMU_TIMER_REALTIME] &&
- !active_timers[QEMU_TIMER_VIRTUAL])
+ if (!active_timers[QEMU_CLOCK_REALTIME] &&
+ !active_timers[QEMU_CLOCK_VIRTUAL])
return;
nearest_delta_us = qemu_next_deadline_dyntick();
@@ -1477,8 +1477,8 @@ static void win32_rearm_timer(struct qemu_alarm_timer *t)
struct qemu_alarm_win32 *data = t->priv;
uint64_t nearest_delta_us;
- if (!active_timers[QEMU_TIMER_REALTIME] &&
- !active_timers[QEMU_TIMER_VIRTUAL])
+ if (!active_timers[QEMU_CLOCK_REALTIME] &&
+ !active_timers[QEMU_CLOCK_VIRTUAL])
return;
nearest_delta_us = qemu_next_deadline_dyntick();
@@ -4124,12 +4124,12 @@ void main_loop_wait(int timeout)
/* vm time timers */
if (vm_running) {
if (!cur_cpu || likely(!(cur_cpu->singlestep_enabled & SSTEP_NOTIMER)))
- qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL],
- qemu_get_clock(vm_clock));
+ qemu_run_timers(&active_timers[QEMU_CLOCK_VIRTUAL],
+ qemu_get_clock(vm_clock));
}
/* real time timers */
- qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME],
+ qemu_run_timers(&active_timers[QEMU_CLOCK_REALTIME],
qemu_get_clock(rt_clock));
/* Check bottom-halves last in case any of the earlier events triggered
@@ -5757,7 +5757,7 @@ int main(int argc, char **argv, char **envp)
setvbuf(stdout, NULL, _IOLBF, 0);
#endif
- init_timers();
+ init_clocks();
if (init_timer_alarm() < 0) {
fprintf(stderr, "could not initialize alarm timer\n");
exit(1);
- [Qemu-devel] [PATCH 0/5] Refactor and enhance RTC configuration, Jan Kiszka, 2009/09/09
- [Qemu-devel] [PATCH 3/5] Introduce QEMU_CLOCK_HOST, Jan Kiszka, 2009/09/09
- [Qemu-devel] [PATCH 1/5] Rename QEMU_TIMER_* to QEMU_CLOCK_*,
Jan Kiszka <=
- [Qemu-devel] [PATCH 4/5] Refactor RTC command line switches, Jan Kiszka, 2009/09/09
- [Qemu-devel] [PATCH 5/5] Enable host-clock-based RTC, Jan Kiszka, 2009/09/09
- [Qemu-devel] [PATCH 2/5] win32: Drop dead dyntick timer code, Jan Kiszka, 2009/09/09
- [Qemu-devel] Re: [PATCH 0/5] Refactor and enhance RTC configuration, Anthony Liguori, 2009/09/09
- [Qemu-devel] Re: [PATCH 0/5] Refactor and enhance RTC configuration, Jan Kiszka, 2009/09/09
- [Qemu-devel] Re: [PATCH 0/5] Refactor and enhance RTC configuration, Jan Kiszka, 2009/09/09
- Re: [Qemu-devel] Re: [PATCH 0/5] Refactor and enhance RTC configuration, Markus Armbruster, 2009/09/09
- [Qemu-devel] Re: [PATCH 0/5] Refactor and enhance RTC configuration, Anthony Liguori, 2009/09/09
- [Qemu-devel] Re: [PATCH 0/5] Refactor and enhance RTC configuration, Jan Kiszka, 2009/09/09
- Re: [Qemu-devel] Re: [PATCH 0/5] Refactor and enhance RTC configuration, Anthony Liguori, 2009/09/09