| 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 | */␊ |
| 40 | enum {␊ |
| 41 | kBootDriverTypeInvalid = 0,␊ |
| 42 | kBootDriverTypeKEXT = 1,␊ |
| 43 | kBootDriverTypeMKEXT = 2␊ |
| 44 | };␊ |
| 45 | ␊ |
| 46 | enum {␊ |
| 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 | */␊ |
| 67 | typedef 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 | ␊ |
| 83 | struct Boot_Video {␊ |
| 84 | ␉uint32_t␉v_baseAddr;␉/* Base address of video memory */␊ |
| 85 | ␉uint32_t␉v_display;␉/* Display Code (if Applicable */␊ |
| 86 | ␉uint32_t␉v_rowBytes;␉/* Number of bytes per pixel row */␊ |
| 87 | ␉uint32_t␉v_width;␉/* Width */␊ |
| 88 | ␉uint32_t␉v_height;␉/* Height */␊ |
| 89 | ␉uint32_t␉v_depth;␉/* Pixel Depth */␊ |
| 90 | };␊ |
| 91 | ␊ |
| 92 | typedef struct Boot_Video␉Boot_Video;␊ |
| 93 | ␊ |
| 94 | /* Values for v_display */␊ |
| 95 | ␊ |
| 96 | #define GRAPHICS_MODE 1␊ |
| 97 | #define FB_TEXT_MODE 2␊ |
| 98 | ␊ |
| 99 | /* Boot argument structure - passed into Mach kernel at boot time.␊ |
| 100 | * "Revision" can be incremented for compatible changes␊ |
| 101 | */␊ |
| 102 | #define kBootArgsRevision␉␉0␊ |
| 103 | #define kBootArgsVersion␉␉2␊ |
| 104 | ␊ |
| 105 | /* Snapshot constants of previous revisions that are supported */␊ |
| 106 | #define kBootArgsVersion1␉␉1␊ |
| 107 | #define kBootArgsVersion2␉␉2␊ |
| 108 | #define kBootArgsRevision2_0␉␉0␊ |
| 109 | ␊ |
| 110 | #define kBootArgsEfiMode32 32␊ |
| 111 | #define kBootArgsEfiMode64 64␊ |
| 112 | ␊ |
| 113 | typedef struct boot_args_legacy {␊ |
| 114 | uint16_t Revision;␉/* Revision of boot_args structure */␊ |
| 115 | uint16_t Version;␉/* Version of boot_args structure */␊ |
| 116 | ␊ |
| 117 | char CommandLine[BOOT_LINE_LENGTH];␉/* Passed in command line */␊ |
| 118 | ␊ |
| 119 | uint32_t MemoryMap; /* Physical address of memory map */␊ |
| 120 | uint32_t MemoryMapSize;␊ |
| 121 | uint32_t MemoryMapDescriptorSize;␊ |
| 122 | uint32_t MemoryMapDescriptorVersion;␊ |
| 123 | ␊ |
| 124 | Boot_Video␉Video;␉␉/* Video Information */␊ |
| 125 | ␊ |
| 126 | uint32_t deviceTreeP;␉ /* Physical address of flattened device tree */␊ |
| 127 | uint32_t deviceTreeLength; /* Length of flattened tree */␊ |
| 128 | ␊ |
| 129 | uint32_t kaddr; /* Physical address of beginning of kernel text */␊ |
| 130 | uint32_t ksize; /* Size of combined kernel text+data+efi */␊ |
| 131 | ␊ |
| 132 | uint32_t efiRuntimeServicesPageStart; /* physical address of defragmented runtime pages */␊ |
| 133 | uint32_t efiRuntimeServicesPageCount;␊ |
| 134 | uint32_t efiSystemTable; /* physical address of system table in runtime area */␊ |
| 135 | ␊ |
| 136 | uint8_t efiMode; /* 32 = 32-bit, 64 = 64-bit */␊ |
| 137 | uint8_t __reserved1[3];␊ |
| 138 | uint32_t __reserved2[1];␊ |
| 139 | uint32_t performanceDataStart; /* physical address of log */␊ |
| 140 | uint32_t performanceDataSize;␊ |
| 141 | uint64_t efiRuntimeServicesVirtualPageStart; /* virtual address of defragmented runtime pages */␊ |
| 142 | uint32_t __reserved3[2];␊ |
| 143 | ␊ |
| 144 | } boot_args_legacy;␊ |
| 145 | ␊ |
| 146 | /* Bitfields for boot_args->flags */␊ |
| 147 | #define kBootArgsFlagRebootOnPanic (1 << 0)␊ |
| 148 | #define kBootArgsFlagHiDPI (1 << 1)␊ |
| 149 | ␊ |
| 150 | typedef struct boot_args {␊ |
| 151 | uint16_t Revision; /* Revision of boot_args structure */␊ |
| 152 | uint16_t Version; /* Version of boot_args structure */␊ |
| 153 | ␊ |
| 154 | uint8_t efiMode; /* 32 = 32-bit, 64 = 64-bit */␊ |
| 155 | uint8_t debugMode; /* Bit field with behavior changes */␊ |
| 156 | uint16_t flags;␊ |
| 157 | ␊ |
| 158 | char CommandLine[BOOT_LINE_LENGTH]; /* Passed in command line */␊ |
| 159 | ␊ |
| 160 | uint32_t MemoryMap; /* Physical address of memory map */␊ |
| 161 | uint32_t MemoryMapSize;␊ |
| 162 | uint32_t MemoryMapDescriptorSize;␊ |
| 163 | uint32_t MemoryMapDescriptorVersion;␊ |
| 164 | ␊ |
| 165 | Boot_Video Video; /* Video Information */␊ |
| 166 | ␊ |
| 167 | uint32_t deviceTreeP; /* Physical address of flattened device tree */␊ |
| 168 | uint32_t deviceTreeLength; /* Length of flattened tree */␊ |
| 169 | ␊ |
| 170 | uint32_t kaddr; /* Physical address of beginning of kernel text */␊ |
| 171 | uint32_t ksize; /* Size of combined kernel text+data+efi */␊ |
| 172 | ␊ |
| 173 | uint32_t efiRuntimeServicesPageStart; /* physical address of defragmented runtime pages */␊ |
| 174 | uint32_t efiRuntimeServicesPageCount;␊ |
| 175 | uint64_t efiRuntimeServicesVirtualPageStart; /* virtual address of defragmented runtime pages */␊ |
| 176 | ␊ |
| 177 | uint32_t efiSystemTable; /* physical address of system table in runtime area */␊ |
| 178 | uint32_t kslide;␊ |
| 179 | ␊ |
| 180 | uint32_t performanceDataStart; /* physical address of log */␊ |
| 181 | uint32_t performanceDataSize;␊ |
| 182 | ␊ |
| 183 | uint32_t keyStoreDataStart; /* physical address of key store data */␊ |
| 184 | uint32_t keyStoreDataSize;␊ |
| 185 | uint64_t bootMemStart;␊ |
| 186 | uint64_t bootMemSize;␊ |
| 187 | uint64_t PhysicalMemorySize;␊ |
| 188 | uint64_t FSBFrequency;␊ |
| 189 | uint64_t pciConfigSpaceBaseAddress;␊ |
| 190 | uint32_t pciConfigSpaceStartBusNumber;␊ |
| 191 | uint32_t pciConfigSpaceEndBusNumber;␊ |
| 192 | uint32_t __reserved4[730];␊ |
| 193 | ␊ |
| 194 | } boot_args;␊ |
| 195 | ␊ |
| 196 | extern char assert_boot_args_size_is_4096[sizeof(boot_args) == 4096 ? 1 : -1];␊ |
| 197 | extern boot_args * getBootArgs(void);␊ |
| 198 | ␊ |
| 199 | #endif /* _PEXPERT_I386_BOOT_H */␊ |
| 200 | ␊ |
| 201 | |
