xnu-792.18.15.tar.gz

[apple/xnu.git] / osfmk / kern / etimer.h

diff --git a/osfmk/kern/etimer.h b/osfmk/kern/etimer.h
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+/*
+ * Copyright (c) 2004-2005 Apple Computer, Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ * 
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ * 
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
+ */
+/*
+ * @OSF_COPYRIGHT@
+ */
+/*
+ * @APPLE_FREE_COPYRIGHT@
+ */
+/*
+ *     File:           etimer.h
+ *     Purpose:        Routines for handling the machine independent
+ *                             real-time clock.
+ */
+
+#ifndef _ETIMER_H_
+#define _ETIMER_H_
+
+#define EndOfAllTime   0xFFFFFFFFFFFFFFFFULL
+
+/* extern void rtclock_intr(int inuser, uint64_t iaddr);  - this is currently MD */
+typedef        void (*etimer_intr_t)(int, uint64_t);
+
+extern int setTimerReq(void);
+extern void etimer_intr(int inuser, uint64_t iaddr);
+
+extern void etimer_set_deadline(uint64_t deadline);
+extern int setPop(uint64_t time);
+
+extern void etimer_resync_deadlines(void);
+
+extern uint32_t rtclock_tick_interval;
+
+extern uint64_t tsc_to_nanoseconds(uint64_t abstime);
+
+#if 0 /* this is currently still MD */
+#pragma pack(push,4)
+struct rtclock_timer_t  {
+       uint64_t                deadline;
+       uint32_t
+       /*boolean_t*/   is_set:1,
+                                       has_expired:1,
+                                       :0;
+};
+#pragma pack(pop)
+typedef struct rtclock_timer_t rtclock_timer_t;
+#endif /* MD */
+
+
+#endif /* _ETIMER_H_ */