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1/*
2 * Copyright (c) 2000 Apple Computer, 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 _PEXPERT_I386_BOOT_H
29#define _PEXPERT_I386_BOOT_H
30
31#include <stdint.h>
32
33/*
34 * What the booter leaves behind for the kernel.
35 */
36
37/*
38 * Types of boot driver that may be loaded by the booter.
39 */
40enum {
41 kBootDriverTypeInvalid = 0,
42 kBootDriverTypeKEXT = 1,
43 kBootDriverTypeMKEXT = 2
44};
45
46enum {
47 kEfiReservedMemoryType= 0,
48 kEfiLoaderCode= 1,
49 kEfiLoaderData= 2,
50 kEfiBootServicesCode= 3,
51 kEfiBootServicesData= 4,
52 kEfiRuntimeServicesCode= 5,
53 kEfiRuntimeServicesData= 6,
54 kEfiConventionalMemory= 7,
55 kEfiUnusableMemory= 8,
56 kEfiACPIReclaimMemory= 9,
57 kEfiACPIMemoryNVS= 10,
58 kEfiMemoryMappedIO= 11,
59 kEfiMemoryMappedIOPortSpace = 12,
60 kEfiPalCode= 13,
61 kEfiMaxMemoryType= 14
62};
63
64/*
65 * Memory range descriptor.
66 */
67typedef struct EfiMemoryRange {
68 uint32_t Type;
69 uint32_t Pad;
70 uint64_t PhysicalStart;
71 uint64_t VirtualStart;
72 uint64_t NumberOfPages;
73 uint64_t Attribute;
74} EfiMemoryRange;
75
76#define BOOT_LINE_LENGTH 1024
77#define BOOT_STRING_LEN BOOT_LINE_LENGTH
78
79/*
80 * Video information..
81 */
82
83struct Boot_Video {
84uint32_tv_baseAddr;/* Base address of video memory */
85uint32_tv_display;/* Display Code (if Applicable */
86uint32_tv_rowBytes;/* Number of bytes per pixel row */
87uint32_tv_width;/* Width */
88uint32_tv_height;/* Height */
89uint32_tv_depth;/* Pixel Depth */
90};
91
92typedef struct Boot_VideoBoot_Video;
93
94/* Values for v_display */
95
96#define GRAPHICS_MODE1
97#define FB_TEXT_MODE2
98
99/* Boot argument structure - passed into Mach kernel at boot time.
100 * "Revision" can be incremented for compatible changes
101 */
102// Lion
103#define kBootArgsRevision0
104#define kBootArgsVersion2
105
106// Snow Leopard and older
107#define kBootArgsPreLionRevision6
108#define kBootArgsPreLionVersion1
109
110/* Snapshot constants of previous revisions that are supported */
111
112#define kBootArgsEfiMode3232
113#define kBootArgsEfiMode6464
114
115typedef struct boot_args_pre_lion
116{
117 uint16_t Revision;/* Revision of boot_args structure */
118 uint16_t Version;/* Version of boot_args structure */
119
120 char CommandLine[BOOT_LINE_LENGTH];/* Passed in command line */
121
122 uint32_t MemoryMap; /* Physical address of memory map */
123 uint32_t MemoryMapSize;
124 uint32_t MemoryMapDescriptorSize;
125 uint32_t MemoryMapDescriptorVersion;
126
127 Boot_VideoVideo;/* Video Information */
128
129 uint32_t deviceTreeP; /* Physical address of flattened device tree */
130 uint32_t deviceTreeLength; /* Length of flattened tree */
131
132 uint32_t kaddr; /* Physical address of beginning of kernel text */
133 uint32_t ksize; /* Size of combined kernel text+data+efi */
134
135 uint32_t efiRuntimeServicesPageStart; /* physical address of defragmented runtime pages */
136 uint32_t efiRuntimeServicesPageCount;
137
138 uint32_t efiSystemTable; /* physical address of system table in runtime area */
139
140 uint8_t efiMode; /* 32 = 32-bit, 64 = 64-bit */
141 uint8_t __reserved1[3];
142 uint32_t __reserved2[1];
143 uint32_t performanceDataStart; /* physical address of log */
144 uint32_t performanceDataSize;
145 uint64_t efiRuntimeServicesVirtualPageStart; /* virtual address of defragmented runtime pages */
146 uint32_t __reserved3[2];
147
148} boot_args_pre_lion;
149
150/* Bitfields for boot_args->flags */
151#define kBootArgsFlagRebootOnPanic (1 << 0)
152#define kBootArgsFlagHiDPI (1 << 1)
153
154typedef struct boot_args
155{
156 uint16_t Revision;/* Revision of boot_args structure */
157 uint16_t Version;/* Version of boot_args structure */
158
159 uint8_t efiMode; /* 32 = 32-bit, 64 = 64-bit */
160 uint8_t debugMode; /* Bit field with behavior changes */
161 uint16_t flags;
162
163 char CommandLine[BOOT_LINE_LENGTH];/* Passed in command line */
164
165 uint32_t MemoryMap; /* Physical address of memory map */
166 uint32_t MemoryMapSize;
167 uint32_t MemoryMapDescriptorSize;
168 uint32_t MemoryMapDescriptorVersion;
169
170 Boot_VideoVideo;/* Video Information */
171
172 uint32_t deviceTreeP; /* Physical address of flattened device tree */
173 uint32_t deviceTreeLength; /* Length of flattened tree */
174
175 uint32_t kaddr; /* Physical address of beginning of kernel text */
176 uint32_t ksize; /* Size of combined kernel text+data+efi */
177
178 uint32_t efiRuntimeServicesPageStart; /* physical address of defragmented runtime pages */
179 uint32_t efiRuntimeServicesPageCount;
180 uint64_t efiRuntimeServicesVirtualPageStart; /* virtual address of defragmented runtime pages */
181
182 uint32_t efiSystemTable; /* physical address of system table in runtime area */
183 uint8_t __reserved1[2];
184 uint32_t __reserved2;
185 uint32_t performanceDataStart; /* physical address of log */
186 uint32_t performanceDataSize;
187
188 uint32_t keyStoreDataStart; /* physical address of key store data */
189 uint32_t keyStoreDataSize;
190 uint64_tbootMemStart;
191 uint64_tbootMemSize;
192 uint64_t PhysicalMemorySize;
193 uint64_t FSBFrequency;
194 uint32_t __reserved4[734];
195
196} boot_args;
197
198extern char gMacOSVersion[8];
199
200#endif /* _PEXPERT_I386_BOOT_H */
201

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