X-Git-Url: https://repo.jachan.dev/qemu.git/blobdiff_plain/2d8418ba8a3ab976fd7f9749f24aab8408643a02..200bf596b96820186883953de9bda26cac8e6bd7:/qemu-timer.h

diff --git a/qemu-timer.h b/qemu-timer.h
index 8cd8f8368a..f8af595f13 100644
--- a/qemu-timer.h
+++ b/qemu-timer.h
@@ -2,16 +2,19 @@
 #define QEMU_TIMER_H
 
 #include "qemu-common.h"
-#include <time.h>
-#include <sys/time.h>
+#include "main-loop.h"
+#include "notify.h"
 
-#ifdef _WIN32
-#include <windows.h>
-#include <mmsystem.h>
+#ifdef __FreeBSD__
+#include <sys/param.h>
 #endif
 
 /* timers */
 
+#define SCALE_MS 1000000
+#define SCALE_US 1000
+#define SCALE_NS 1
+
 typedef struct QEMUClock QEMUClock;
 typedef void QEMUTimerCB(void *opaque);
 
@@ -33,26 +36,53 @@ extern QEMUClock *vm_clock;
    the virtual clock. */
 extern QEMUClock *host_clock;
 
-int64_t qemu_get_clock(QEMUClock *clock);
 int64_t qemu_get_clock_ns(QEMUClock *clock);
-void qemu_clock_enable(QEMUClock *clock, int enabled);
-
-QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque);
+int64_t qemu_clock_has_timers(QEMUClock *clock);
+int64_t qemu_clock_expired(QEMUClock *clock);
+int64_t qemu_clock_deadline(QEMUClock *clock);
+void qemu_clock_enable(QEMUClock *clock, bool enabled);
+void qemu_clock_warp(QEMUClock *clock);
+
+void qemu_register_clock_reset_notifier(QEMUClock *clock, Notifier *notifier);
+void qemu_unregister_clock_reset_notifier(QEMUClock *clock,
+                                          Notifier *notifier);
+
+QEMUTimer *qemu_new_timer(QEMUClock *clock, int scale,
+                          QEMUTimerCB *cb, void *opaque);
 void qemu_free_timer(QEMUTimer *ts);
 void qemu_del_timer(QEMUTimer *ts);
+void qemu_mod_timer_ns(QEMUTimer *ts, int64_t expire_time);
 void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time);
-int qemu_timer_pending(QEMUTimer *ts);
-int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time);
+bool qemu_timer_pending(QEMUTimer *ts);
+bool qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time);
+uint64_t qemu_timer_expire_time_ns(QEMUTimer *ts);
 
+void qemu_run_timers(QEMUClock *clock);
 void qemu_run_all_timers(void);
-int qemu_alarm_pending(void);
-int64_t qemu_next_deadline(void);
 void configure_alarms(char const *opt);
-void configure_icount(const char *option);
-int qemu_calculate_timeout(void);
 void init_clocks(void);
 int init_timer_alarm(void);
-void quit_timers(void);
+
+int64_t cpu_get_ticks(void);
+void cpu_enable_ticks(void);
+void cpu_disable_ticks(void);
+
+static inline QEMUTimer *qemu_new_timer_ns(QEMUClock *clock, QEMUTimerCB *cb,
+                                           void *opaque)
+{
+    return qemu_new_timer(clock, SCALE_NS, cb, opaque);
+}
+
+static inline QEMUTimer *qemu_new_timer_ms(QEMUClock *clock, QEMUTimerCB *cb,
+                                           void *opaque)
+{
+    return qemu_new_timer(clock, SCALE_MS, cb, opaque);
+}
+
+static inline int64_t qemu_get_clock_ms(QEMUClock *clock)
+{
+    return qemu_get_clock_ns(clock) / SCALE_MS;
+}
 
 static inline int64_t get_ticks_per_sec(void)
 {
@@ -106,28 +136,9 @@ static inline int64_t get_clock(void)
 void qemu_get_timer(QEMUFile *f, QEMUTimer *ts);
 void qemu_put_timer(QEMUFile *f, QEMUTimer *ts);
 
-/* ptimer.c */
-typedef struct ptimer_state ptimer_state;
-typedef void (*ptimer_cb)(void *opaque);
-
-ptimer_state *ptimer_init(QEMUBH *bh);
-void ptimer_set_period(ptimer_state *s, int64_t period);
-void ptimer_set_freq(ptimer_state *s, uint32_t freq);
-void ptimer_set_limit(ptimer_state *s, uint64_t limit, int reload);
-uint64_t ptimer_get_count(ptimer_state *s);
-void ptimer_set_count(ptimer_state *s, uint64_t count);
-void ptimer_run(ptimer_state *s, int oneshot);
-void ptimer_stop(ptimer_state *s);
-void qemu_put_ptimer(QEMUFile *f, ptimer_state *s);
-void qemu_get_ptimer(QEMUFile *f, ptimer_state *s);
-
 /* icount */
-int64_t qemu_icount_round(int64_t count);
-extern int64_t qemu_icount;
-extern int use_icount;
-extern int icount_time_shift;
-extern int64_t qemu_icount_bias;
 int64_t cpu_get_icount(void);
+int64_t cpu_get_clock(void);
 
 /*******************************************/
 /* host CPU ticks (if available) */
@@ -283,22 +294,6 @@ static inline int64_t cpu_get_real_ticks (void)
 }
 #endif
 
-#ifdef NEED_CPU_H
-/* Deterministic execution requires that IO only be performed on the last
-   instruction of a TB so that interrupts take effect immediately.  */
-static inline int can_do_io(CPUState *env)
-{
-    if (!use_icount)
-        return 1;
-
-    /* If not executing code then assume we are ok.  */
-    if (!env->current_tb)
-        return 1;
-
-    return env->can_do_io != 0;
-}
-#endif
-
 #ifdef CONFIG_PROFILER
 static inline int64_t profile_getclock(void)
 {