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