projects / apple / xnu.git / blame
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|---|---|---|
| 5ba3f43e A |
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 | ||
| 71 | } rtclock_data_t; | |
| 72 | ||
| 73 | extern rtclock_data_t RTClockData; | |
| 74 | #define rtclock_sec_divisor RTClockData.rtc_sec_divisor | |
| 75 | #define rtclock_usec_divisor RTClockData.rtc_usec_divisor | |
| 76 | #define rtclock_timebase_const RTClockData.rtc_timebase_const | |
| 77 | #define rtclock_base_abstime RTClockData.rtc_base.abstime | |
| 78 | #define rtclock_base_abstime_low RTClockData.rtc_base.abstime_val.low | |
| 79 | #define rtclock_base_abstime_high RTClockData.rtc_base.abstime_val.high | |
| 80 | #define rtclock_adj_abstime RTClockData.rtc_adj.abstime | |
| 81 | #define rtclock_adj_abstime_low RTClockData.rtc_adj.abstime_val.low | |
| 82 | #define rtclock_adj_abstime_high RTClockData.rtc_adj.abstime_val.high | |
| 83 | #define rtclock_timebase_func RTClockData.rtc_timebase_func | |
| 84 | ||
| 85 | /* Only needed for AIC manipulation */ | |
| 86 | #define rtclock_timebase_addr RTClockData.rtc_timebase_addr | |
| 87 | #define rtclock_timebase_val RTClockData.rtc_timebase_val | |
| 88 | ||
| 89 | extern uint64_t arm_timer_slop_max; | |
| 90 | ||
| 91 | extern void rtclock_intr(unsigned int); | |
| 92 | extern boolean_t SetIdlePop(void); | |
| 93 | ||
| 94 | extern void ClearIdlePop(boolean_t); | |
| 95 | extern void rtclock_early_init(void); | |
| 96 | ||
| 97 | #endif /* _ARM_RTCLOCK_H_ */ |