1 files changed, 62 insertions, 0 deletions
diff --git a/qemu_timers.h b/qemu_timers.h
new file mode 100644
index 0000000..3ab541e
--- /dev/null
+++ b/qemu_timers.h
@@ -0,0 +1,62 @@
+#ifndef _QEMU_TIMERS_H
+#define _QEMU_TIMERS_H
+
+#include "qemu_file.h"
+
+#define QEMU_TIMER_BASE 1000000000LL
+
+/* timers */
+
+typedef struct QEMUClock QEMUClock;
+typedef struct QEMUTimer QEMUTimer;
+
+typedef void QEMUTimerCB(void *opaque);
+
+/* The real time clock should be used only for stuff which does not
+   change the virtual machine state, as it is run even if the virtual
+   machine is stopped. The real time clock has a frequency of 1000
+   Hz. */
+extern QEMUClock *rt_clock;
+
+/* The virtual clock is only run during the emulation. It is stopped
+   when the virtual machine is stopped. Virtual timers use a high
+   precision clock, usually cpu cycles (use ticks_per_sec). */
+extern QEMUClock *vm_clock;
+
+/* return the elapsed host time in nanoseconds */
+int64_t qemu_get_elapsed_ns(void);
+
+int64_t qemu_get_clock(QEMUClock *clock);
+
+QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque);
+
+void qemu_free_timer(QEMUTimer *ts);
+void qemu_del_timer(QEMUTimer *ts);
+void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time);
+int  qemu_timer_pending(QEMUTimer *ts);
+
+extern int64_t ticks_per_sec;
+extern int pit_min_timer_count;
+
+int64_t cpu_get_ticks(void);
+void    cpu_enable_ticks(void);
+void    cpu_disable_ticks(void);
+
+void    init_timers(void);
+
+void    init_alarm_timer(void (*cb)(void));
+
+void timer_save(QEMUFile *f, void *opaque);
+int  timer_load(QEMUFile *f, void *opaque, int version_id);
+
+void    qemu_run_virtual_timers(void);
+void    qemu_run_realtime_timers(void);
+
+void    qemu_init_alarm_timer( void(*cb)(void) );
+void    qemu_start_alarm_timer(void);
+void    qemu_rearm_alarm_timer(void);
+void    qemu_stop_alarm_timer(void);
+
+void    qemu_configure_alarms(char const *opt);
+
+#endif /* _QEMU_TIMERS_H */