1 | /* |
2 | * Copyright (c) 2007 Apple Inc. All rights reserved. |
3 | * |
4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
5 | * |
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. |
14 | * |
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 |
20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
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. |
25 | * |
26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
27 | */ |
28 | /* |
29 | * @OSF_COPYRIGHT@ |
30 | */ |
31 | /* |
32 | * @APPLE_FREE_COPYRIGHT@ |
33 | */ |
34 | |
35 | #ifndef _ARM_RTCLOCK_H_ |
36 | #define _ARM_RTCLOCK_H_ |
37 | |
38 | #include <mach/boolean.h> |
39 | #include <mach/mach_types.h> |
40 | #include <mach/mach_time.h> |
41 | #include <arm/machine_routines.h> |
42 | |
43 | #define EndOfAllTime 0xFFFFFFFFFFFFFFFFULL |
44 | #define DECREMENTER_MAX 0x7FFFFFFFUL |
45 | #define DECREMENTER_MIN 0xAUL |
46 | |
47 | typedef struct _rtclock_data_ { |
48 | uint32_t rtc_sec_divisor; |
49 | uint32_t rtc_usec_divisor; |
50 | mach_timebase_info_data_t rtc_timebase_const; |
51 | union { |
52 | uint64_t abstime; |
53 | struct { |
54 | uint32_t low; |
55 | uint32_t high; |
56 | } abstime_val; |
57 | } rtc_base; |
58 | union { |
59 | uint64_t abstime; |
60 | struct { |
61 | uint32_t low; |
62 | uint32_t high; |
63 | } abstime_val; |
64 | } rtc_adj; |
65 | tbd_ops_data_t rtc_timebase_func; |
66 | |
67 | /* Only needed for AIC manipulation */ |
68 | vm_offset_t rtc_timebase_addr; |
69 | vm_offset_t rtc_timebase_val; |
70 | } rtclock_data_t; |
71 | |
72 | extern rtclock_data_t RTClockData; |
73 | #define rtclock_sec_divisor RTClockData.rtc_sec_divisor |
74 | #define rtclock_usec_divisor RTClockData.rtc_usec_divisor |
75 | #define rtclock_timebase_const RTClockData.rtc_timebase_const |
76 | #define rtclock_base_abstime RTClockData.rtc_base.abstime |
77 | #define rtclock_base_abstime_low RTClockData.rtc_base.abstime_val.low |
78 | #define rtclock_base_abstime_high RTClockData.rtc_base.abstime_val.high |
79 | #define rtclock_adj_abstime RTClockData.rtc_adj.abstime |
80 | #define rtclock_adj_abstime_low RTClockData.rtc_adj.abstime_val.low |
81 | #define rtclock_adj_abstime_high RTClockData.rtc_adj.abstime_val.high |
82 | #define rtclock_timebase_func RTClockData.rtc_timebase_func |
83 | |
84 | /* Only needed for AIC manipulation */ |
85 | #define rtclock_timebase_addr RTClockData.rtc_timebase_addr |
86 | #define rtclock_timebase_val RTClockData.rtc_timebase_val |
87 | |
88 | extern uint64_t arm_timer_slop_max; |
89 | |
90 | extern void rtclock_intr(unsigned int); |
91 | extern boolean_t SetIdlePop(void); |
92 | |
93 | extern void ClearIdlePop(boolean_t); |
94 | extern void rtclock_early_init(void); |
95 | |
96 | #endif /* _ARM_RTCLOCK_H_ */ |
97 | |