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Commit | Line | Data |
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6a161fa9 | 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 | ||
1cc73a62 | 27 | /* The offset of the start of BPB (BIOS Parameter Block). */ |
28 | #define PUPA_BOOT_MACHINE_BPB_START 0x3 | |
29 | ||
6a161fa9 | 30 | /* The offset of the end of BPB (BIOS Parameter Block). */ |
1cc73a62 | 31 | #define PUPA_BOOT_MACHINE_BPB_END 0x3e |
6a161fa9 | 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 */ |