include/grub/offsets.h

   1 /*
   2  *  GRUB  --  GRand Unified Bootloader
   3  *  Copyright (C) 2002,2003,2007,2008  Free Software Foundation, Inc.
   4  *
   5  *  GRUB is free software: you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation, either version 3 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  GRUB is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #ifndef OFFSETS_HEADER
  20 #define OFFSETS_HEADER  1
  21
  22 /* The offset of GRUB_TOTAL_MODULE_SIZE.  */
  23 #define GRUB_KERNEL_I386_PC_TOTAL_MODULE_SIZE   0x8
  24
  25 /* The offset of GRUB_KERNEL_IMAGE_SIZE.  */
  26 #define GRUB_KERNEL_I386_PC_KERNEL_IMAGE_SIZE   0xc
  27
  28 /* The offset of GRUB_COMPRESSED_SIZE.  */
  29 #define GRUB_KERNEL_I386_PC_COMPRESSED_SIZE     0x10
  30
  31 /* The offset of GRUB_INSTALL_DOS_PART.  */
  32 #define GRUB_KERNEL_I386_PC_INSTALL_DOS_PART    0x14
  33
  34 /* The offset of GRUB_INSTALL_BSD_PART.  */
  35 #define GRUB_KERNEL_I386_PC_INSTALL_BSD_PART    0x18
  36
  37 /* Offset of reed_solomon_redundancy.  */
  38 #define GRUB_KERNEL_I386_PC_REED_SOLOMON_REDUNDANCY     0x1c
  39
  40 /* The size of the first region which won't be compressed.  */
  41 #define GRUB_KERNEL_I386_PC_RAW_SIZE            0xcd0
  42
  43 #define GRUB_KERNEL_I386_PC_NO_REED_SOLOMON_PART 0x730
  44
  45 /* The offset of GRUB_PREFIX.  */
  46 #define GRUB_KERNEL_I386_PC_PREFIX              GRUB_KERNEL_I386_PC_RAW_SIZE
  47
  48 /* End of the data section. */
  49 #define GRUB_KERNEL_I386_PC_PREFIX_END          (GRUB_KERNEL_I386_PC_PREFIX + 0x40)
  50
  51 /* The segment where the kernel is loaded.  */
  52 #define GRUB_BOOT_I386_PC_KERNEL_SEG    0x800
  53
  54 #define GRUB_KERNEL_I386_PC_LINK_ADDR  0x8200
  55
  56 /* The upper memory area (starting at 640 kiB).  */
  57 #define GRUB_MEMORY_I386_PC_UPPER               0xa0000
  58 #define GRUB_MEMORY_I386_QEMU_UPPER             GRUB_MEMORY_I386_PC_UPPER
  59
  60 /* The offset of GRUB_CORE_ENTRY_ADDR.  */
  61 #define GRUB_BOOT_I386_QEMU_CORE_ENTRY_ADDR     0x4
  62
  63 /* The offset of GRUB_CORE_ENTRY_ADDR.  */
  64 #define GRUB_KERNEL_I386_QEMU_CORE_ENTRY_ADDR   0x8
  65
  66 /* The offset of GRUB_KERNEL_IMAGE_SIZE.  */
  67 #define GRUB_KERNEL_I386_QEMU_KERNEL_IMAGE_SIZE 0xc
  68
  69 /* The offset of GRUB_PREFIX.  */
  70 #define GRUB_KERNEL_I386_QEMU_PREFIX            0x10
  71
  72 /* End of the data section. */
  73 #define GRUB_KERNEL_I386_QEMU_PREFIX_END                0x50
  74
  75 #define GRUB_KERNEL_I386_QEMU_LINK_ADDR         0x8200
  76
  77 /* The offset of GRUB_TOTAL_MODULE_SIZE.  */
  78 #define GRUB_KERNEL_SPARC64_IEEE1275_TOTAL_MODULE_SIZE  0x8
  79
  80 /* The offset of GRUB_KERNEL_IMAGE_SIZE.  */
  81 #define GRUB_KERNEL_SPARC64_IEEE1275_KERNEL_IMAGE_SIZE  0xc
  82
  83 /* The offset of GRUB_COMPRESSED_SIZE.  */
  84 #define GRUB_KERNEL_SPARC64_IEEE1275_COMPRESSED_SIZE    0x10
  85
  86 /* The offset of GRUB_PREFIX.  */
  87 #define GRUB_KERNEL_SPARC64_IEEE1275_PREFIX             0x14
  88
  89 /* End of the data section. */
  90 #define GRUB_KERNEL_SPARC64_IEEE1275_PREFIX_END         0x114
  91
  92 #define GRUB_BOOT_SPARC64_IEEE1275_LIST_SIZE    12
  93
  94 #define GRUB_BOOT_SPARC64_IEEE1275_IMAGE_ADDRESS        0x4400
  95 #define GRUB_KERNEL_SPARC64_IEEE1275_RAW_SIZE                   0
  96 #define GRUB_KERNEL_SPARC64_IEEE1275_LINK_ADDR 0x4400
  97
  98 #define GRUB_KERNEL_POWERPC_IEEE1275_PREFIX             0x4
  99 #define GRUB_KERNEL_POWERPC_IEEE1275_PREFIX_END 0x44
 100 #define GRUB_KERNEL_POWERPC_IEEE1275_LINK_ALIGN 4
 101 #define GRUB_KERNEL_POWERPC_IEEE1275_LINK_ADDR 0x200000
 102
 103 #define GRUB_KERNEL_MIPS_LOONGSON_LINK_ADDR         0x80200000
 104
 105 #define GRUB_KERNEL_MIPS_LOONGSON_LINK_ALIGN  32
 106
 107 #define GRUB_KERNEL_MIPS_LOONGSON_COMPRESSED_SIZE          0x8
 108 #define GRUB_KERNEL_MIPS_LOONGSON_UNCOMPRESSED_SIZE        0xc
 109 #define GRUB_KERNEL_MIPS_LOONGSON_UNCOMPRESSED_ADDR        0x10
 110
 111 #define GRUB_KERNEL_MIPS_LOONGSON_TOTAL_MODULE_SIZE     0x08
 112 #define GRUB_KERNEL_MIPS_LOONGSON_PREFIX                0x0c
 113 #define GRUB_KERNEL_MIPS_LOONGSON_PREFIX_END            0x54
 114
 115 #define GRUB_KERNEL_MIPS_QEMU_MIPS_LINK_ADDR         0x80200000
 116 #define GRUB_KERNEL_MIPS_QEMU_MIPS_LINK_ALIGN  32
 117 #define GRUB_KERNEL_MIPS_QEMU_MIPS_COMPRESSED_SIZE          0x8
 118 #define GRUB_KERNEL_MIPS_QEMU_MIPS_UNCOMPRESSED_SIZE        0xc
 119 #define GRUB_KERNEL_MIPS_QEMU_MIPS_UNCOMPRESSED_ADDR        0x10
 120 #define GRUB_KERNEL_MIPS_QEMU_MIPS_TOTAL_MODULE_SIZE    0x08
 121 #define GRUB_KERNEL_MIPS_QEMU_MIPS_PREFIX               0x0c
 122 #define GRUB_KERNEL_MIPS_QEMU_MIPS_PREFIX_END           0x54
 123
 124 #define GRUB_KERNEL_MIPS_ARC_LINK_ADDR         0x8bd00000
 125
 126 #define GRUB_KERNEL_MIPS_ARC_LINK_ALIGN  32
 127
 128 #define GRUB_KERNEL_MIPS_ARC_COMPRESSED_SIZE          0x8
 129 #define GRUB_KERNEL_MIPS_ARC_UNCOMPRESSED_SIZE        0xc
 130 #define GRUB_KERNEL_MIPS_ARC_UNCOMPRESSED_ADDR        0x10
 131
 132 #define GRUB_KERNEL_MIPS_ARC_TOTAL_MODULE_SIZE  0x08
 133 #define GRUB_KERNEL_MIPS_ARC_PREFIX             0x0c
 134 #define GRUB_KERNEL_MIPS_ARC_PREFIX_END         0x54
 135
 136 /* The offset of GRUB_PREFIX.  */
 137 #define GRUB_KERNEL_I386_EFI_PREFIX             0x8
 138
 139 /* End of the data section. */
 140 #define GRUB_KERNEL_I386_EFI_PREFIX_END         0x50
 141
 142 /* The offset of GRUB_PREFIX.  */
 143 #define GRUB_KERNEL_IA64_EFI_PREFIX             0x50
 144
 145 /* End of the data section. */
 146 #define GRUB_KERNEL_IA64_EFI_PREFIX_END         0xa0
 147
 148 /* The offset of GRUB_PREFIX.  */
 149 #define GRUB_KERNEL_X86_64_EFI_PREFIX           0x8
 150
 151 /* End of the data section. */
 152 #define GRUB_KERNEL_X86_64_EFI_PREFIX_END               0x50
 153
 154 #define GRUB_KERNEL_I386_COREBOOT_PREFIX        0x2
 155 #define GRUB_KERNEL_I386_COREBOOT_PREFIX_END    0x42
 156 #define GRUB_KERNEL_I386_COREBOOT_LINK_ADDR     0x8200
 157
 158 #define GRUB_KERNEL_I386_MULTIBOOT_PREFIX       GRUB_KERNEL_I386_COREBOOT_PREFIX
 159 #define GRUB_KERNEL_I386_MULTIBOOT_PREFIX_END   GRUB_KERNEL_I386_COREBOOT_PREFIX_END
 160
 161 #define GRUB_KERNEL_I386_IEEE1275_PREFIX        0x2
 162 #define GRUB_KERNEL_I386_IEEE1275_PREFIX_END    0x42
 163 #define GRUB_KERNEL_I386_IEEE1275_LINK_ADDR     0x10000
 164
 165 #define GRUB_KERNEL_I386_IEEE1275_MOD_ALIGN     0x1000
 166 #define GRUB_KERNEL_I386_COREBOOT_MOD_ALIGN     0x1
 167 #define GRUB_KERNEL_I386_MULTIBOOT_MOD_ALIGN    GRUB_KERNEL_I386_COREBOOT_MOD_ALIGN
 168
 169 /* Non-zero value is only needed for PowerMacs.  */
 170 #define GRUB_KERNEL_I386_IEEE1275_MOD_GAP 0x0
 171 #define GRUB_KERNEL_I386_COREBOOT_MOD_GAP 0x0
 172
 173 #define GRUB_KERNEL_POWERPC_IEEE1275_MOD_ALIGN 0x1000
 174
 175 #define GRUB_KERNEL_MIPS_LOONGSON_MOD_ALIGN 0x1
 176 #define GRUB_KERNEL_MIPS_ARC_MOD_ALIGN 0x1
 177 #define GRUB_KERNEL_MIPS_QEMU_MIPS_MOD_ALIGN 0x1
 178
 179 /* Minimal gap between _end and the start of the modules.  It's a hack
 180    for PowerMac to prevent "CLAIM failed" error.  The real fix is to
 181    rewrite grub-mkimage to generate valid ELF files.  */
 182 #define GRUB_KERNEL_POWERPC_IEEE1275_MOD_GAP 0x8000
 183
 184 #ifdef GRUB_MACHINE
 185 #define GRUB_OFFSETS_CONCAT_(a,b,c) a ## b ## c
 186 #define GRUB_OFFSETS_CONCAT(a,b,c) GRUB_OFFSETS_CONCAT_(a,b,c)
 187 #define GRUB_KERNEL_MACHINE_MOD_ALIGN GRUB_OFFSETS_CONCAT (GRUB_KERNEL_, GRUB_MACHINE, _MOD_ALIGN)
 188 #define GRUB_KERNEL_MACHINE_MOD_GAP GRUB_OFFSETS_CONCAT (GRUB_KERNEL_, GRUB_MACHINE, _MOD_GAP)
 189 #define GRUB_KERNEL_MACHINE_TOTAL_MODULE_SIZE GRUB_OFFSETS_CONCAT (GRUB_KERNEL_, GRUB_MACHINE, _TOTAL_MODULE_SIZE)
 190 #define GRUB_KERNEL_MACHINE_KERNEL_IMAGE_SIZE GRUB_OFFSETS_CONCAT (GRUB_KERNEL_, GRUB_MACHINE, _KERNEL_IMAGE_SIZE)
 191 #define GRUB_KERNEL_MACHINE_COMPRESSED_SIZE GRUB_OFFSETS_CONCAT (GRUB_KERNEL_, GRUB_MACHINE, _COMPRESSED_SIZE)
 192 #define GRUB_KERNEL_MACHINE_UNCOMPRESSED_SIZE GRUB_OFFSETS_CONCAT (GRUB_KERNEL_, GRUB_MACHINE, _UNCOMPRESSED_SIZE)
 193 #define GRUB_KERNEL_MACHINE_UNCOMPRESSED_ADDR GRUB_OFFSETS_CONCAT (GRUB_KERNEL_, GRUB_MACHINE, _UNCOMPRESSED_ADDR)
 194
 195 #define GRUB_KERNEL_MACHINE_PREFIX GRUB_OFFSETS_CONCAT (GRUB_KERNEL_, GRUB_MACHINE, _PREFIX)
 196 #define GRUB_KERNEL_MACHINE_PREFIX_END GRUB_OFFSETS_CONCAT (GRUB_KERNEL_, GRUB_MACHINE, _PREFIX_END)
 197 #define GRUB_BOOT_MACHINE_KERNEL_SEG GRUB_OFFSETS_CONCAT (GRUB_BOOT_, GRUB_MACHINE, _KERNEL_SEG)
 198 #define GRUB_MEMORY_MACHINE_UPPER GRUB_OFFSETS_CONCAT (GRUB_MEMORY_, GRUB_MACHINE, _UPPER)
 199 #define GRUB_KERNEL_MACHINE_RAW_SIZE GRUB_OFFSETS_CONCAT (GRUB_KERNEL_, GRUB_MACHINE, _RAW_SIZE)
 200 #define GRUB_KERNEL_MACHINE_INSTALL_BSD_PART GRUB_OFFSETS_CONCAT (GRUB_KERNEL_, GRUB_MACHINE, _INSTALL_BSD_PART)
 201 #define GRUB_KERNEL_MACHINE_INSTALL_DOS_PART GRUB_OFFSETS_CONCAT (GRUB_KERNEL_, GRUB_MACHINE, _INSTALL_DOS_PART)
 202 #define GRUB_MACHINE_LINK_ADDR GRUB_OFFSETS_CONCAT (GRUB_KERNEL_, GRUB_MACHINE, _LINK_ADDR)
 203 #endif
 204
 205 #ifndef ASM_FILE
 206 struct grub_pc_bios_boot_blocklist
 207 {
 208   grub_uint64_t start;
 209   grub_uint16_t len;
 210   grub_uint16_t segment;
 211 } __attribute__ ((packed));
 212 #endif
 213
 214 #endif