root / hw / ptimer.h @ fa156e51
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1 | 49d4d9b6 | Paolo Bonzini | /*
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2 | 49d4d9b6 | Paolo Bonzini | * General purpose implementation of a simple periodic countdown timer.
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3 | 49d4d9b6 | Paolo Bonzini | *
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4 | 49d4d9b6 | Paolo Bonzini | * Copyright (c) 2007 CodeSourcery.
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5 | 49d4d9b6 | Paolo Bonzini | *
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6 | 49d4d9b6 | Paolo Bonzini | * This code is licensed under the GNU LGPL.
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7 | 49d4d9b6 | Paolo Bonzini | */
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8 | 49d4d9b6 | Paolo Bonzini | #ifndef PTIMER_H
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9 | 49d4d9b6 | Paolo Bonzini | #define PTIMER_H
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10 | 49d4d9b6 | Paolo Bonzini | |
11 | 49d4d9b6 | Paolo Bonzini | #include "qemu-common.h" |
12 | 49d4d9b6 | Paolo Bonzini | #include "qemu-timer.h" |
13 | 701a8f76 | Paolo Bonzini | #include "vmstate.h" |
14 | 49d4d9b6 | Paolo Bonzini | |
15 | 49d4d9b6 | Paolo Bonzini | /* ptimer.c */
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16 | 49d4d9b6 | Paolo Bonzini | typedef struct ptimer_state ptimer_state; |
17 | 49d4d9b6 | Paolo Bonzini | typedef void (*ptimer_cb)(void *opaque); |
18 | 49d4d9b6 | Paolo Bonzini | |
19 | 49d4d9b6 | Paolo Bonzini | ptimer_state *ptimer_init(QEMUBH *bh); |
20 | 49d4d9b6 | Paolo Bonzini | void ptimer_set_period(ptimer_state *s, int64_t period);
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21 | 49d4d9b6 | Paolo Bonzini | void ptimer_set_freq(ptimer_state *s, uint32_t freq);
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22 | 49d4d9b6 | Paolo Bonzini | void ptimer_set_limit(ptimer_state *s, uint64_t limit, int reload); |
23 | 49d4d9b6 | Paolo Bonzini | uint64_t ptimer_get_count(ptimer_state *s); |
24 | 49d4d9b6 | Paolo Bonzini | void ptimer_set_count(ptimer_state *s, uint64_t count);
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25 | 49d4d9b6 | Paolo Bonzini | void ptimer_run(ptimer_state *s, int oneshot); |
26 | 49d4d9b6 | Paolo Bonzini | void ptimer_stop(ptimer_state *s);
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27 | 49d4d9b6 | Paolo Bonzini | |
28 | 701a8f76 | Paolo Bonzini | extern const VMStateDescription vmstate_ptimer; |
29 | 701a8f76 | Paolo Bonzini | |
30 | 701a8f76 | Paolo Bonzini | #define VMSTATE_PTIMER(_field, _state) { \
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31 | 701a8f76 | Paolo Bonzini | .name = (stringify(_field)), \ |
32 | 701a8f76 | Paolo Bonzini | .version_id = (1), \
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33 | 701a8f76 | Paolo Bonzini | .vmsd = &vmstate_ptimer, \ |
34 | 701a8f76 | Paolo Bonzini | .size = sizeof(ptimer_state *), \
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35 | 701a8f76 | Paolo Bonzini | .flags = VMS_STRUCT|VMS_POINTER, \ |
36 | 701a8f76 | Paolo Bonzini | .offset = vmstate_offset_pointer(_state, _field, ptimer_state), \ |
37 | 701a8f76 | Paolo Bonzini | } |
38 | 701a8f76 | Paolo Bonzini | |
39 | 49d4d9b6 | Paolo Bonzini | #endif |