1/*
2 * Copyright (c) 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 _ARM_MACHINE_CPU_H_
29#define _ARM_MACHINE_CPU_H_
30
31#include <mach/mach_types.h>
32#include <mach/boolean.h>
33#include <kern/kern_types.h>
34#include <pexpert/pexpert.h>
35#include <arm/cpu_data_internal.h>
36
37extern void cpu_machine_init(void);
38
39extern kern_return_t cpu_register(int *slot_nump);
40
41extern void cpu_signal_handler(void);
42extern void cpu_signal_handler_internal(boolean_t disable_signal);
43
44extern void cpu_doshutdown(void (*doshutdown)(processor_t), processor_t processor);
45
46extern void cpu_idle(void);
47extern void cpu_idle_exit(boolean_t from_reset) __attribute__((noreturn));
48extern void cpu_idle_tickle(void);
49
50extern void cpu_machine_idle_init(boolean_t from_boot);
51
52extern void arm_init_cpu(cpu_data_t *args);
53
54extern void arm_init_idle_cpu(cpu_data_t *args);
55
56extern void init_cpu_timebase(boolean_t enable_fiq);
57
58#define cpu_pause() do {} while (0) /* Not for this architecture */
59bool
60wfe_to_deadline_or_interrupt(uint32_t cid, uint64_t wfe_deadline, cpu_data_t *cdp, bool unmask, bool check_cluster_recommendation);
61#endif /* _ARM_MACHINE_CPU_H_ */
62