pbrook | 87ecb68 | 2007-11-17 17:14:51 +0000 | [diff] [blame] | 1 | #ifndef QEMU_TIMER_H |
| 2 | #define QEMU_TIMER_H |
| 3 | |
| 4 | /* timers */ |
| 5 | |
| 6 | typedef struct QEMUClock QEMUClock; |
| 7 | typedef void QEMUTimerCB(void *opaque); |
| 8 | |
| 9 | /* The real time clock should be used only for stuff which does not |
| 10 | change the virtual machine state, as it is run even if the virtual |
| 11 | machine is stopped. The real time clock has a frequency of 1000 |
| 12 | Hz. */ |
| 13 | extern QEMUClock *rt_clock; |
| 14 | |
| 15 | /* The virtual clock is only run during the emulation. It is stopped |
| 16 | when the virtual machine is stopped. Virtual timers use a high |
| 17 | precision clock, usually cpu cycles (use ticks_per_sec). */ |
| 18 | extern QEMUClock *vm_clock; |
| 19 | |
| 20 | int64_t qemu_get_clock(QEMUClock *clock); |
| 21 | |
| 22 | QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque); |
| 23 | void qemu_free_timer(QEMUTimer *ts); |
| 24 | void qemu_del_timer(QEMUTimer *ts); |
| 25 | void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time); |
| 26 | int qemu_timer_pending(QEMUTimer *ts); |
| 27 | |
| 28 | extern int64_t ticks_per_sec; |
| 29 | |
| 30 | void qemu_get_timer(QEMUFile *f, QEMUTimer *ts); |
| 31 | void qemu_put_timer(QEMUFile *f, QEMUTimer *ts); |
| 32 | |
| 33 | /* ptimer.c */ |
| 34 | typedef struct ptimer_state ptimer_state; |
| 35 | typedef void (*ptimer_cb)(void *opaque); |
| 36 | |
| 37 | ptimer_state *ptimer_init(QEMUBH *bh); |
| 38 | void ptimer_set_period(ptimer_state *s, int64_t period); |
| 39 | void ptimer_set_freq(ptimer_state *s, uint32_t freq); |
| 40 | void ptimer_set_limit(ptimer_state *s, uint64_t limit, int reload); |
| 41 | uint64_t ptimer_get_count(ptimer_state *s); |
| 42 | void ptimer_set_count(ptimer_state *s, uint64_t count); |
| 43 | void ptimer_run(ptimer_state *s, int oneshot); |
| 44 | void ptimer_stop(ptimer_state *s); |
| 45 | void qemu_put_ptimer(QEMUFile *f, ptimer_state *s); |
| 46 | void qemu_get_ptimer(QEMUFile *f, ptimer_state *s); |
| 47 | |
| 48 | #endif |