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1 | /* |
| 2 | * PUPA -- Preliminary Universal Programming Architecture for GRUB |
| 3 | * Copyright (C) 1999, 2000 Free Software Foundation, Inc. |
| 4 | * Copyright (C) 2002 Yoshinori K. Okuji <okuji@enbug.org> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 19 | */ |
| 20 | |
| 21 | #ifndef PUPA_BOOT_MACHINE_HEADER |
| 22 | #define PUPA_BOOT_MACHINE_HEADER 1 |
| 23 | |
| 24 | /* The signature for bootloader. */ |
| 25 | #define PUPA_BOOT_MACHINE_SIGNATURE 0xaa55 |
| 26 | |
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27 | /* The offset of the start of BPB (BIOS Parameter Block). */ |
| 28 | #define PUPA_BOOT_MACHINE_BPB_START 0x3 |
| 29 | |
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30 | /* The offset of the end of BPB (BIOS Parameter Block). */ |
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31 | #define PUPA_BOOT_MACHINE_BPB_END 0x3e |
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32 | |
| 33 | /* The offset of the major version. */ |
| 34 | #define PUPA_BOOT_MACHINE_VER_MAJ 0x3e |
| 35 | |
| 36 | /* The offset of BOOT_DRIVE. */ |
| 37 | #define PUPA_BOOT_MACHINE_BOOT_DRIVE 0x40 |
| 38 | |
| 39 | /* The offset of FORCE_LBA. */ |
| 40 | #define PUPA_BOOT_MACHINE_FORCE_LBA 0x41 |
| 41 | |
| 42 | /* The offset of KERNEL_ADDRESS. */ |
| 43 | #define PUPA_BOOT_MACHINE_KERNEL_ADDRESS 0x42 |
| 44 | |
| 45 | /* The offset of KERNEL_SECTOR. */ |
| 46 | #define PUPA_BOOT_MACHINE_KERNEL_SECTOR 0x44 |
| 47 | |
| 48 | /* The offset of KERNEL_SEGMENT. */ |
| 49 | #define PUPA_BOOT_MACHINE_KERNEL_SEGMENT 0x48 |
| 50 | |
| 51 | /* The offset of a magic number used by Windows NT. */ |
| 52 | #define PUPA_BOOT_MACHINE_WINDOWS_NT_MAGIC 0x1b8 |
| 53 | |
| 54 | /* The offset of the start of the partition table. */ |
| 55 | #define PUPA_BOOT_MACHINE_PART_START 0x1be |
| 56 | |
| 57 | /* The offset of the end of the partition table. */ |
| 58 | #define PUPA_BOOT_MACHINE_PART_END 0x1fe |
| 59 | |
| 60 | /* The stack segment. */ |
| 61 | #define PUPA_BOOT_MACHINE_STACK_SEG 0x2000 |
| 62 | |
| 63 | /* The segment of disk buffer. The disk buffer MUST be 32K long and |
| 64 | cannot straddle a 64K boundary. */ |
| 65 | #define PUPA_BOOT_MACHINE_BUFFER_SEG 0x7000 |
| 66 | |
| 67 | /* The address of drive parameters. */ |
| 68 | #define PUPA_BOOT_MACHINE_DRP_ADDR 0x7f00 |
| 69 | |
| 70 | /* The size of drive parameters. */ |
| 71 | #define PUPA_BOOT_MACHINE_DRP_SIZE 0x42 |
| 72 | |
| 73 | /* The flag for BIOS drive number to designate a hard disk vs. a |
| 74 | floppy. */ |
| 75 | #define PUPA_BOOT_MACHINE_BIOS_HD_FLAG 0x80 |
| 76 | |
| 77 | /* The segment where the kernel is loaded. */ |
| 78 | #define PUPA_BOOT_MACHINE_KERNEL_SEG 0x800 |
| 79 | |
| 80 | /* The address where the kernel is loaded. */ |
| 81 | #define PUPA_BOOT_MACHINE_KERNEL_ADDR (PUPA_BOOT_MACHINE_KERNEL_SEG << 4) |
| 82 | |
| 83 | /* The size of a block list used in the kernel startup code. */ |
| 84 | #define PUPA_BOOT_MACHINE_LIST_SIZE 8 |
| 85 | |
| 86 | #endif /* ! BOOT_MACHINE_HEADER */ |
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