1/*
2 * Copyright (c) 2004-2008 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 *	File:		etimer.h
36 *	Purpose:	Routines for handling the machine independent
37 *				real-time clock.
38 */
39
40#ifdef	KERNEL_PRIVATE
41
42#ifndef _KERN_ETIMER_H_
43#define _KERN_ETIMER_H_
44
45#define EndOfAllTime	0xFFFFFFFFFFFFFFFFULL
46
47typedef	void (*etimer_intr_t)(int, uint64_t);
48
49extern int setTimerReq(void);
50extern void etimer_intr(int inuser, uint64_t iaddr);
51
52extern void etimer_set_deadline(uint64_t deadline);
53#if defined(i386) || defined(x86_64)
54extern uint64_t setPop(uint64_t time);
55#else
56extern int setPop(uint64_t time);
57#endif
58
59extern void etimer_resync_deadlines(void);
60
61extern uint32_t etimer_queue_migrate(int target_cpu);
62
63/* Kernel trace events associated with timers */
64#define DECR_TRAP_LATENCY	MACHDBG_CODE(DBG_MACH_EXCP_DECI, 0)
65#define DECR_SET_DEADLINE	MACHDBG_CODE(DBG_MACH_EXCP_DECI, 1)
66#define DECR_TIMER_CALLOUT	MACHDBG_CODE(DBG_MACH_EXCP_DECI, 2)
67#define DECR_PM_DEADLINE	MACHDBG_CODE(DBG_MACH_EXCP_DECI, 3)
68#define DECR_TIMER_MIGRATE	MACHDBG_CODE(DBG_MACH_EXCP_DECI, 4)
69#define DECR_RDHPET		MACHDBG_CODE(DBG_MACH_EXCP_DECI, 5)
70#define DECR_SET_TSC_DEADLINE	MACHDBG_CODE(DBG_MACH_EXCP_DECI, 6)
71
72#endif /* _KERN_ETIMER_H_ */
73
74#endif	/* KERNEL_PRIVATE */
75