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		0x00007FFF70000000ULL
46#define SHARED_REGION_SIZE_X86_64		0x000000008FE00000ULL
47#define SHARED_REGION_NESTING_BASE_X86_64	0x00007FFF80000000ULL
48#define SHARED_REGION_NESTING_SIZE_X86_64	0x0000000040000000ULL
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			0x20000000ULL
67#define SHARED_REGION_SIZE_ARM			0x20000000ULL
68#define SHARED_REGION_NESTING_BASE_ARM		0x20000000ULL
69#define SHARED_REGION_NESTING_SIZE_ARM		0x20000000ULL
70#define SHARED_REGION_NESTING_MIN_ARM		?
71#define SHARED_REGION_NESTING_MAX_ARM		?
72
73#ifdef XNU_KERNEL_PRIVATE
74/* ARM64_TODO: move to higher memory */
75#endif
76#define SHARED_REGION_BASE_ARM64		0x180000000ULL
77#define SHARED_REGION_SIZE_ARM64		0x20000000ULL
78#define SHARED_REGION_NESTING_BASE_ARM64	0x180000000ULL
79#define SHARED_REGION_NESTING_SIZE_ARM64	0x20000000ULL
80#define SHARED_REGION_NESTING_MIN_ARM64		?
81#define SHARED_REGION_NESTING_MAX_ARM64		?
82
83#if defined(__i386__)
84#define SHARED_REGION_BASE			SHARED_REGION_BASE_I386
85#define SHARED_REGION_SIZE			SHARED_REGION_SIZE_I386
86#define SHARED_REGION_NESTING_BASE		SHARED_REGION_NESTING_BASE_I386
87#define SHARED_REGION_NESTING_SIZE		SHARED_REGION_NESTING_SIZE_I386
88#define SHARED_REGION_NESTING_MIN		SHARED_REGION_NESTING_MIN_I386
89#define SHARED_REGION_NESTING_MAX		SHARED_REGION_NESTING_MAX_I386
90#elif defined(__x86_64__)
91#define SHARED_REGION_BASE			SHARED_REGION_BASE_X86_64
92#define SHARED_REGION_SIZE			SHARED_REGION_SIZE_X86_64
93#define SHARED_REGION_NESTING_BASE		SHARED_REGION_NESTING_BASE_X86_64
94#define SHARED_REGION_NESTING_SIZE		SHARED_REGION_NESTING_SIZE_X86_64
95#define SHARED_REGION_NESTING_MIN		SHARED_REGION_NESTING_MIN_X86_64
96#define SHARED_REGION_NESTING_MAX		SHARED_REGION_NESTING_MAX_X86_64
97#endif
98
99#ifdef KERNEL_PRIVATE
100
101/*
102 * This is routine sets  the current source of power.
103 * Arguments:
104 * 0 if it is external source (connected to power )
105 * 1 if it is internal power source ie battery
106 */
107
108void post_sys_powersource(int);
109
110#endif /* KERNEL_PRIVATE */
111/*
112 * All shared_region_* declarations are a private interface
113 * between dyld and the kernel.
114 *
115 */
116struct shared_file_mapping_np {
117	mach_vm_address_t	sfm_address;
118	mach_vm_size_t		sfm_size;
119	mach_vm_offset_t	sfm_file_offset;
120	vm_prot_t		sfm_max_prot;
121	vm_prot_t		sfm_init_prot;
122};
123#define VM_PROT_COW  0x8  /* must not interfere with normal prot assignments */
124#define VM_PROT_ZF  0x10  /* must not interfere with normal prot assignments */
125#define VM_PROT_SLIDE  0x20  /* must not interfere with normal prot assignments */
126
127#ifndef KERNEL
128
129__BEGIN_DECLS
130int	shared_region_check_np(uint64_t	*startaddress);
131int	shared_region_map_np(int fd,
132			     uint32_t mappingCount,
133			     const struct shared_file_mapping_np *mappings);
134int	shared_region_slide_np(void);
135__END_DECLS
136
137#endif /* !KERNEL */
138
139#endif /* _MACH_SHARED_REGION_H_ */
140