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