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/*
29 * @OSF_COPYRIGHT@
30 */
31#ifndef _ARM_CPU_INTERNAL_H_
32#define _ARM_CPU_INTERNAL_H_
33
34
35#include <mach/kern_return.h>
36#include <arm/cpu_data_internal.h>
37
38extern void cpu_bootstrap(
39 void);
40
41extern void cpu_init(
42 void);
43
44extern void cpu_timebase_init(boolean_t from_boot);
45
46extern kern_return_t cpu_signal(
47 cpu_data_t *target,
48 unsigned int signal,
49 void *p0,
50 void *p1);
51
52extern kern_return_t cpu_signal_deferred(
53 cpu_data_t *target);
54
55extern void cpu_signal_cancel(
56 cpu_data_t *target);
57
58extern bool cpu_has_SIGPdebug_pending(void);
59
60#define SIGPnop 0x00000000U /* Send IPI with no service */
61#define SIGPdec 0x00000001U /* Request decremeter service */
62/* 0x2U unused */
63#define SIGPxcall 0x00000004U /* Call a function on a processor */
64#define SIGPast 0x00000008U /* Request AST check */
65#define SIGPdebug 0x00000010U /* Request Debug call */
66#define SIGPLWFlush 0x00000020UL /* Request LWFlush call */
67#define SIGPLWClean 0x00000040UL /* Request LWClean call */
68#define SIGPkppet 0x00000100U /* Request kperf PET handler */
69#define SIGPxcallImm 0x00000200U /* Send a cross-call, fail if already pending */
70
71#define SIGPdisabled 0x80000000U /* Signal disabled */
72
73extern unsigned int real_ncpus;
74
75#if defined(CONFIG_XNUPOST) && __arm64__
76extern void arm64_ipi_test(void);
77#endif /* defined(CONFIG_XNUPOST) && __arm64__ */
78
79#if defined(KERNEL_INTEGRITY_CTRR)
80extern void init_ctrr_cluster_states(void);
81extern lck_spin_t ctrr_cpu_start_lck;
82enum ctrr_cluster_states { CTRR_UNLOCKED = 0, CTRR_LOCKING, CTRR_LOCKED };
83extern enum ctrr_cluster_states ctrr_cluster_locked[MAX_CPU_CLUSTERS];
84#endif /* defined(KERNEL_INTEGRITY_CTRR) */
85
86#endif /* _ARM_CPU_INTERNAL_H_ */
87