From c27f813900a3c114562efbb8df1065e94766fc48 Mon Sep 17 00:00:00 2001 From: The Android Open Source Project Date: Tue, 10 Feb 2009 15:43:59 -0800 Subject: auto import from //branches/cupcake/...@130745 --- qemu-timer.h | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 qemu-timer.h (limited to 'qemu-timer.h') diff --git a/qemu-timer.h b/qemu-timer.h new file mode 100644 index 0000000..8264f3e --- /dev/null +++ b/qemu-timer.h @@ -0,0 +1,50 @@ +#ifndef QEMU_TIMER_H +#define QEMU_TIMER_H + +#include "qemu-common.h" + +/* timers */ + +typedef struct QEMUClock QEMUClock; +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; + +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; + +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); + +#endif -- cgit v1.1