1*0f4c859eSApple OSS Distributions /*
2*0f4c859eSApple OSS Distributions * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
3*0f4c859eSApple OSS Distributions *
4*0f4c859eSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*0f4c859eSApple OSS Distributions *
6*0f4c859eSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code
7*0f4c859eSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License
8*0f4c859eSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in
9*0f4c859eSApple OSS Distributions * compliance with the License. The rights granted to you under the License
10*0f4c859eSApple OSS Distributions * may not be used to create, or enable the creation or redistribution of,
11*0f4c859eSApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to
12*0f4c859eSApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any
13*0f4c859eSApple OSS Distributions * terms of an Apple operating system software license agreement.
14*0f4c859eSApple OSS Distributions *
15*0f4c859eSApple OSS Distributions * Please obtain a copy of the License at
16*0f4c859eSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*0f4c859eSApple OSS Distributions *
18*0f4c859eSApple OSS Distributions * The Original Code and all software distributed under the License are
19*0f4c859eSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*0f4c859eSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*0f4c859eSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*0f4c859eSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*0f4c859eSApple OSS Distributions * Please see the License for the specific language governing rights and
24*0f4c859eSApple OSS Distributions * limitations under the License.
25*0f4c859eSApple OSS Distributions *
26*0f4c859eSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*0f4c859eSApple OSS Distributions */
28*0f4c859eSApple OSS Distributions #ifndef _I386_MACHINE_CPU_H_
29*0f4c859eSApple OSS Distributions #define _I386_MACHINE_CPU_H_
30*0f4c859eSApple OSS Distributions
31*0f4c859eSApple OSS Distributions #include <mach/mach_types.h>
32*0f4c859eSApple OSS Distributions #include <mach/boolean.h>
33*0f4c859eSApple OSS Distributions #include <kern/kern_types.h>
34*0f4c859eSApple OSS Distributions #include <pexpert/pexpert.h>
35*0f4c859eSApple OSS Distributions #include <sys/cdefs.h>
36*0f4c859eSApple OSS Distributions
37*0f4c859eSApple OSS Distributions __BEGIN_DECLS
38*0f4c859eSApple OSS Distributions void cpu_machine_init(
39*0f4c859eSApple OSS Distributions void);
40*0f4c859eSApple OSS Distributions
41*0f4c859eSApple OSS Distributions void handle_pending_TLB_flushes(
42*0f4c859eSApple OSS Distributions void);
43*0f4c859eSApple OSS Distributions
44*0f4c859eSApple OSS Distributions int cpu_signal_handler(x86_saved_state_t *regs);
45*0f4c859eSApple OSS Distributions
46*0f4c859eSApple OSS Distributions kern_return_t cpu_register(
47*0f4c859eSApple OSS Distributions int *slot_nump);
48*0f4c859eSApple OSS Distributions __END_DECLS
49*0f4c859eSApple OSS Distributions
50*0f4c859eSApple OSS Distributions static inline void
cpu_halt(void)51*0f4c859eSApple OSS Distributions cpu_halt(void)
52*0f4c859eSApple OSS Distributions {
53*0f4c859eSApple OSS Distributions asm volatile ( "wbinvd; cli; hlt");
54*0f4c859eSApple OSS Distributions }
55*0f4c859eSApple OSS Distributions
56*0f4c859eSApple OSS Distributions static inline void
cpu_pause(void)57*0f4c859eSApple OSS Distributions cpu_pause(void)
58*0f4c859eSApple OSS Distributions {
59*0f4c859eSApple OSS Distributions __builtin_ia32_pause();
60*0f4c859eSApple OSS Distributions }
61*0f4c859eSApple OSS Distributions
62*0f4c859eSApple OSS Distributions #endif /* _I386_MACHINE_CPU_H_ */
63