1/*
2 * Copyright (c) 2007 Apple Inc. All rights reserved.
3 *
4 * @APPLE_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. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23/*
24 *
25 * File: mach/shared_region.h
26 *
27 * protos and struct definitions for shared region
28 */
29
30#ifndef _MACH_SHARED_REGION_H_
31#define _MACH_SHARED_REGION_H_
32
33#include <sys/cdefs.h>
34#include <mach/vm_prot.h>
35#include <mach/vm_types.h>
36#include <mach/mach_types.h>
37
38#define SHARED_REGION_BASE_I386 0x90000000ULL
39#define SHARED_REGION_SIZE_I386 0x20000000ULL
40#define SHARED_REGION_NESTING_BASE_I386 0x90000000ULL
41#define SHARED_REGION_NESTING_SIZE_I386 0x20000000ULL
42#define SHARED_REGION_NESTING_MIN_I386 0x00200000ULL
43#define SHARED_REGION_NESTING_MAX_I386 0xFFE00000ULL
44
45#define SHARED_REGION_BASE_X86_64 0x00007FFF00000000ULL
46#define SHARED_REGION_SIZE_X86_64 0x00000000FFE00000ULL
47#define SHARED_REGION_NESTING_BASE_X86_64 0x00007FFF00000000ULL
48#define SHARED_REGION_NESTING_SIZE_X86_64 0x00000000FFE00000ULL
49#define SHARED_REGION_NESTING_MIN_X86_64 0x0000000000200000ULL
50#define SHARED_REGION_NESTING_MAX_X86_64 0xFFFFFFFFFFE00000ULL
51
52#define SHARED_REGION_BASE_PPC 0x90000000ULL
53#define SHARED_REGION_SIZE_PPC 0x20000000ULL
54#define SHARED_REGION_NESTING_BASE_PPC 0x90000000ULL
55#define SHARED_REGION_NESTING_SIZE_PPC 0x10000000ULL
56#define SHARED_REGION_NESTING_MIN_PPC 0x10000000ULL
57#define SHARED_REGION_NESTING_MAX_PPC 0x10000000ULL
58
59#define SHARED_REGION_BASE_PPC64 0x00007FFF60000000ULL
60#define SHARED_REGION_SIZE_PPC64 0x00000000A0000000ULL
61#define SHARED_REGION_NESTING_BASE_PPC64 0x00007FFF60000000ULL
62#define SHARED_REGION_NESTING_SIZE_PPC64 0x00000000A0000000ULL
63#define SHARED_REGION_NESTING_MIN_PPC64 0x0000000010000000ULL
64#define SHARED_REGION_NESTING_MAX_PPC64 0x0000000010000000ULL
65
66#define SHARED_REGION_BASE_ARM 0x1A000000ULL
67#define SHARED_REGION_SIZE_ARM 0x26000000ULL
68#define SHARED_REGION_NESTING_BASE_ARM 0x1A000000ULL
69#define SHARED_REGION_NESTING_SIZE_ARM 0x26000000ULL
70#define SHARED_REGION_NESTING_MIN_ARM ?
71#define SHARED_REGION_NESTING_MAX_ARM ?
72
73
74#ifdef XNU_KERNEL_PRIVATE
75/* ARM64_TODO: move to higher memory */
76#endif
77#define SHARED_REGION_BASE_ARM64 0x180000000ULL
78#define SHARED_REGION_SIZE_ARM64 0x100000000ULL
79#define SHARED_REGION_NESTING_BASE_ARM64 0x180000000ULL
80#define SHARED_REGION_NESTING_SIZE_ARM64 0x100000000ULL
81#define SHARED_REGION_NESTING_MIN_ARM64 ?
82#define SHARED_REGION_NESTING_MAX_ARM64 ?
83
84#if defined(__i386__)
85#define SHARED_REGION_BASE SHARED_REGION_BASE_I386
86#define SHARED_REGION_SIZE SHARED_REGION_SIZE_I386
87#define SHARED_REGION_NESTING_BASE SHARED_REGION_NESTING_BASE_I386
88#define SHARED_REGION_NESTING_SIZE SHARED_REGION_NESTING_SIZE_I386
89#define SHARED_REGION_NESTING_MIN SHARED_REGION_NESTING_MIN_I386
90#define SHARED_REGION_NESTING_MAX SHARED_REGION_NESTING_MAX_I386
91#elif defined(__x86_64__)
92#define SHARED_REGION_BASE SHARED_REGION_BASE_X86_64
93#define SHARED_REGION_SIZE SHARED_REGION_SIZE_X86_64
94#define SHARED_REGION_NESTING_BASE SHARED_REGION_NESTING_BASE_X86_64
95#define SHARED_REGION_NESTING_SIZE SHARED_REGION_NESTING_SIZE_X86_64
96#define SHARED_REGION_NESTING_MIN SHARED_REGION_NESTING_MIN_X86_64
97#define SHARED_REGION_NESTING_MAX SHARED_REGION_NESTING_MAX_X86_64
98#elif defined(__arm__)
99#define SHARED_REGION_BASE SHARED_REGION_BASE_ARM
100#define SHARED_REGION_SIZE SHARED_REGION_SIZE_ARM
101#define SHARED_REGION_NESTING_BASE SHARED_REGION_NESTING_BASE_ARM
102#define SHARED_REGION_NESTING_SIZE SHARED_REGION_NESTING_SIZE_ARM
103#define SHARED_REGION_NESTING_MIN SHARED_REGION_NESTING_MIN_ARM
104#define SHARED_REGION_NESTING_MAX SHARED_REGION_NESTING_MAX_ARM
105#elif defined(__arm64__) && defined(__LP64__)
106#define SHARED_REGION_BASE SHARED_REGION_BASE_ARM64
107#define SHARED_REGION_SIZE SHARED_REGION_SIZE_ARM64
108#define SHARED_REGION_NESTING_BASE SHARED_REGION_NESTING_BASE_ARM64
109#define SHARED_REGION_NESTING_SIZE SHARED_REGION_NESTING_SIZE_ARM64
110#define SHARED_REGION_NESTING_MIN SHARED_REGION_NESTING_MIN_ARM64
111#define SHARED_REGION_NESTING_MAX SHARED_REGION_NESTING_MAX_ARM64
112#endif
113
114#ifdef KERNEL_PRIVATE
115
116/*
117 * This is routine sets the current source of power.
118 * Arguments:
119 * 0 if it is external source (connected to power )
120 * 1 if it is internal power source ie battery
121 */
122
123void post_sys_powersource(int);
124
125#endif /* KERNEL_PRIVATE */
126/*
127 * All shared_region_* declarations are a private interface
128 * between dyld and the kernel.
129 *
130 */
131struct shared_file_mapping_np {
132 mach_vm_address_t sfm_address;
133 mach_vm_size_t sfm_size;
134 mach_vm_offset_t sfm_file_offset;
135 vm_prot_t sfm_max_prot;
136 vm_prot_t sfm_init_prot;
137};
138#define VM_PROT_COW 0x8 /* must not interfere with normal prot assignments */
139#define VM_PROT_ZF 0x10 /* must not interfere with normal prot assignments */
140#define VM_PROT_SLIDE 0x20 /* must not interfere with normal prot assignments */
141
142#ifndef KERNEL
143
144__BEGIN_DECLS
145int shared_region_check_np(uint64_t *startaddress);
146int shared_region_map_np(int fd,
147 uint32_t mappingCount,
148 const struct shared_file_mapping_np *mappings);
149int shared_region_slide_np(void);
150__END_DECLS
151
152#endif /* !KERNEL */
153
154#endif /* _MACH_SHARED_REGION_H_ */
155