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3a60a9f5 | 1 | /* |
6d2010ae | 2 | * Copyright (c) 2010 Apple Inc. All rights reserved. |
3a60a9f5 | 3 | * |
2d21ac55 | 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
3a60a9f5 | 5 | * |
2d21ac55 A |
6 | * This file contains Original Code and/or Modifications of Original Code |
7 | * as defined in and that are subject to the Apple Public Source License | |
8 | * Version 2.0 (the 'License'). You may not use this file except in | |
9 | * compliance with the License. The rights granted to you under the License | |
10 | * may not be used to create, or enable the creation or redistribution of, | |
11 | * unlawful or unlicensed copies of an Apple operating system, or to | |
12 | * circumvent, violate, or enable the circumvention or violation of, any | |
13 | * terms of an Apple operating system software license agreement. | |
8f6c56a5 | 14 | * |
2d21ac55 A |
15 | * Please obtain a copy of the License at |
16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. | |
17 | * | |
18 | * The Original Code and all software distributed under the License are | |
19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
8f6c56a5 A |
20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
2d21ac55 A |
22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
23 | * Please see the License for the specific language governing rights and | |
24 | * limitations under the License. | |
8f6c56a5 | 25 | * |
2d21ac55 | 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
3a60a9f5 A |
27 | */ |
28 | /* | |
29 | * @OSF_COPYRIGHT@ | |
30 | */ | |
31 | /* | |
32 | * @APPLE_FREE_COPYRIGHT@ | |
33 | */ | |
34 | /* | |
6d2010ae A |
35 | * File: rtclock_protos.h |
36 | * Purpose: C Routines for handling the machine dependent | |
3a60a9f5 A |
37 | * real-time clock. |
38 | */ | |
39 | ||
6d2010ae A |
40 | #ifndef _I386_RTCLOCK_PROTOS_H_ |
41 | #define _I386_RTCLOCK_PROTOS_H_ | |
3a60a9f5 | 42 | |
6d2010ae A |
43 | typedef struct pal_rtc_nanotime pal_rtc_nanotime_t; |
44 | extern uint64_t tsc_rebase_abs_time; | |
0c530ab8 | 45 | |
6d2010ae A |
46 | extern void _rtc_nanotime_adjust( |
47 | uint64_t tsc_base_delta, | |
48 | pal_rtc_nanotime_t *dst); | |
3a60a9f5 | 49 | |
6d2010ae | 50 | extern uint64_t _rtc_nanotime_read( |
bd504ef0 A |
51 | pal_rtc_nanotime_t *rntp); |
52 | ||
53 | extern uint64_t _rtc_tsc_to_nanoseconds( | |
54 | uint64_t value, | |
55 | pal_rtc_nanotime_t *rntp); | |
3a60a9f5 | 56 | |
6d2010ae | 57 | extern void rtclock_intr(x86_saved_state_t *regs); |
3a60a9f5 | 58 | |
6d2010ae A |
59 | |
60 | /* | |
61 | * Timer control. | |
62 | */ | |
63 | typedef struct { | |
fe8ab488 A |
64 | void (*rtc_config)(void); |
65 | uint64_t (*rtc_set) (uint64_t, uint64_t); | |
6d2010ae A |
66 | } rtc_timer_t; |
67 | extern rtc_timer_t *rtc_timer; | |
68 | ||
69 | extern void rtc_timer_init(void); | |
70 | ||
fe8ab488 | 71 | extern void rtclock_early_init(void); |
39037602 A |
72 | extern void rtc_nanotime_init(uint64_t); |
73 | extern void rtc_decrementer_configure(void); | |
6d2010ae | 74 | #endif /* _I386_RTCLOCK_PROTOS_H_ */ |