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 | |
38 | extern void cpu_bootstrap( |
39 | void); |
40 | |
41 | extern void cpu_init( |
42 | void); |
43 | |
44 | extern void cpu_timebase_init(boolean_t from_boot); |
45 | |
46 | extern kern_return_t cpu_signal( |
47 | cpu_data_t *target, |
48 | unsigned int signal, |
49 | void *p0, |
50 | void *p1); |
51 | |
52 | extern kern_return_t cpu_signal_deferred( |
53 | cpu_data_t *target); |
54 | |
55 | extern void cpu_signal_cancel( |
56 | cpu_data_t *target); |
57 | |
58 | extern 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 | |
73 | extern unsigned int real_ncpus; |
74 | |
75 | #if defined(CONFIG_XNUPOST) && __arm64__ |
76 | extern void arm64_ipi_test(void); |
77 | #endif /* defined(CONFIG_XNUPOST) && __arm64__ */ |
78 | |
79 | #if defined(KERNEL_INTEGRITY_CTRR) |
80 | extern void init_ctrr_cluster_states(void); |
81 | extern lck_spin_t ctrr_cpu_start_lck; |
82 | enum ctrr_cluster_states { CTRR_UNLOCKED = 0, CTRR_LOCKING, CTRR_LOCKED }; |
83 | extern enum ctrr_cluster_states ctrr_cluster_locked[MAX_CPU_CLUSTERS]; |
84 | #endif /* defined(KERNEL_INTEGRITY_CTRR) */ |
85 | |
86 | #endif /* _ARM_CPU_INTERNAL_H_ */ |
87 | |