1/*
2 * Copyright (c) 2000-2007 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#ifndef _BSD_MACHINE_SPL_H_
29#define _BSD_MACHINE_SPL_H_
30
31#ifdef KERNEL
32#ifndef __ASSEMBLER__
33
34#if !defined(__LP64__) || defined(XNU_KERNEL_PRIVATE)
35/*
36 *	Machine-dependent SPL definitions.
37 *
38 */
39typedef unsigned	spl_t;
40
41extern unsigned	int sploff(void);
42extern unsigned	int splhigh(void);
43extern unsigned	int splsched(void);
44extern unsigned	int splclock(void);
45extern unsigned	int splpower(void);
46extern unsigned	int splvm(void);
47extern unsigned	int splbio(void);
48extern unsigned	int splimp(void);
49extern unsigned	int spltty(void);
50extern unsigned	int splnet(void);
51extern unsigned	int splsoftclock(void);
52
53extern void	spllo(void);
54extern void	spl0(void);
55extern void	splon(unsigned int level);
56extern void	splx(unsigned int level);
57extern void	spln(unsigned int level);
58#define splstatclock()	splhigh()
59
60#endif  /* !__LP64__ || XNU_KERNEL_PRIVATE */
61
62#endif /* __ASSEMBLER__ */
63
64#endif /* KERNEL */
65
66
67#endif /* _BSD_MACHINE_SPL_H_ */
68