| /* |
| * GRUB -- GRand Unified Bootloader |
| * Copyright (C) 1999 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 2 |
| #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 FIRSTLIST. */ |
| #define STAGE1_FIRSTLIST 0x1b5 |
| |
| /* The offset of the major version. */ |
| #define STAGE1_VER_MAJ_OFFS 0x1bc |
| |
| /* The offset of the install segment. */ |
| #define STAGE1_INSTALLSEG 0x1ba |
| |
| /* The offset of the install address. */ |
| #define STAGE1_INSTALLADDR 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 size of extra data parameters. */ |
| #define STAGE1_MINPARAMSIZE 13 |
| |
| /* The size of sector list. */ |
| #define STAGE1_LISTSIZE 8 |
| |
| /* 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 |
| |
| /* Stage 1 identifiers */ |
| /* The offset of the id. */ |
| #define STAGE1_ID_OFFSET STAGE1_BPBEND |
| |
| /* The id for the ``normal'' stage1. */ |
| #define STAGE1_ID_CHS 0x10 |
| |
| /* The id for the LBA version of stage1. */ |
| #define STAGE1_ID_LBA 0x20 |
| |
| |
| #endif /* ! STAGE1_HEADER */ |