| /* |
| * GRUB -- GRand Unified Bootloader |
| * Copyright (C) 1999,2000,2002,2004 Free Software Foundation, Inc. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| */ |
| |
| #ifndef STAGE1_HEADER |
| #define STAGE1_HEADER 1 |
| |
| |
| /* Define the version numbers here, so that Stage 1 can know them. */ |
| #define COMPAT_VERSION_MAJOR 3 |
| #define COMPAT_VERSION_MINOR 2 |
| #define COMPAT_VERSION ((COMPAT_VERSION_MINOR << 8) \ |
| | COMPAT_VERSION_MAJOR) |
| |
| /* The signature for bootloader. */ |
| #define STAGE1_SIGNATURE 0xaa55 |
| |
| /* The offset of the end of BPB (BIOS Parameter Block). */ |
| #define STAGE1_BPBEND 0x3e |
| |
| /* The offset of the major version. */ |
| #define STAGE1_VER_MAJ_OFFS 0x3e |
| |
| /* The offset of BOOT_DRIVE. */ |
| #define STAGE1_BOOT_DRIVE 0x40 |
| |
| /* The offset of FORCE_LBA. */ |
| #define STAGE1_FORCE_LBA 0x41 |
| |
| /* The offset of STAGE2_ADDRESS. */ |
| #define STAGE1_STAGE2_ADDRESS 0x42 |
| |
| /* The offset of STAGE2_SECTOR. */ |
| #define STAGE1_STAGE2_SECTOR 0x44 |
| |
| /* The offset of STAGE2_SEGMENT. */ |
| #define STAGE1_STAGE2_SEGMENT 0x48 |
| |
| /* The offset of BOOT_DRIVE_CHECK. */ |
| #define STAGE1_BOOT_DRIVE_CHECK 0x4b |
| |
| /* The offset of a magic number used by Windows NT. */ |
| #define STAGE1_WINDOWS_NT_MAGIC 0x1b8 |
| |
| /* The offset of the start of the partition table. */ |
| #define STAGE1_PARTSTART 0x1be |
| |
| /* The offset of the end of the partition table. */ |
| #define STAGE1_PARTEND 0x1fe |
| |
| /* The stack segment. */ |
| #define STAGE1_STACKSEG 0x2000 |
| |
| /* The segment of disk buffer. The disk buffer MUST be 32K long and |
| cannot straddle a 64K boundary. */ |
| #define STAGE1_BUFFERSEG 0x7000 |
| |
| /* The address of drive parameters. */ |
| #define STAGE1_DRP_ADDR 0x7f00 |
| |
| /* The size of drive parameters. */ |
| #define STAGE1_DRP_SIZE 0x42 |
| |
| /* The flag for BIOS drive number to designate a hard disk vs. a |
| floppy. */ |
| #define STAGE1_BIOS_HD_FLAG 0x80 |
| |
| /* The drive number of an invalid drive. */ |
| #define GRUB_INVALID_DRIVE 0xFFFFFFFF |
| |
| #endif /* ! STAGE1_HEADER */ |