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/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 1999,2000,2002,2005,2006,2007,2008,2010 Free Software Foundation, Inc.
*
* GRUB 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 3 of the License, or
* (at your option) any later version.
*
* GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_BOOT_MACHINE_HEADER
#define GRUB_BOOT_MACHINE_HEADER 1
#include <grub/offsets.h>
/* The signature for bootloader. */
#define GRUB_BOOT_MACHINE_SIGNATURE 0xaa55
/* The offset of the start of BPB (BIOS Parameter Block). */
#define GRUB_BOOT_MACHINE_BPB_START 0x3
/* The offset of the end of BPB (BIOS Parameter Block). */
#define GRUB_BOOT_MACHINE_BPB_END 0x5a
/* The offset of KERNEL_SECTOR. */
#define GRUB_BOOT_MACHINE_KERNEL_SECTOR 0x5c
/* The offset of BOOT_DRIVE. */
#define GRUB_BOOT_MACHINE_BOOT_DRIVE 0x64
/* The offset of BOOT_DRIVE_CHECK. */
#define GRUB_BOOT_MACHINE_DRIVE_CHECK 0x66
/* The offset of a magic number used by Windows NT. */
#define GRUB_BOOT_MACHINE_WINDOWS_NT_MAGIC 0x1b8
/* The offset of the start of the partition table. */
#define GRUB_BOOT_MACHINE_PART_START 0x1be
/* The offset of the end of the partition table. */
#define GRUB_BOOT_MACHINE_PART_END 0x1fe
/* The stack segment. */
#define GRUB_BOOT_MACHINE_STACK_SEG 0x2000
/* The segment of disk buffer. The disk buffer MUST be 32K long and
cannot straddle a 64K boundary. */
#define GRUB_BOOT_MACHINE_BUFFER_SEG 0x7000
/* The flag for BIOS drive number to designate a hard disk vs. a
floppy. */
#define GRUB_BOOT_MACHINE_BIOS_HD_FLAG 0x80
/* The address where the kernel is loaded. */
#define GRUB_BOOT_MACHINE_KERNEL_ADDR (GRUB_BOOT_MACHINE_KERNEL_SEG << 4)
/* The size of a block list used in the kernel startup code. */
#define GRUB_BOOT_MACHINE_LIST_SIZE 12
#define GRUB_BOOT_MACHINE_PXE_DL 0x7f
/* This is the blocklist used in the diskboot image. */
#define grub_boot_blocklist grub_pc_bios_boot_blocklist
#endif /* ! BOOT_MACHINE_HEADER */
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