+++ /dev/null
-/*
- * GRUB -- GRand Unified Bootloader
- * Copyright (C) 2000 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.
- */
-
-/*
- * The structure type "mod_list" is used by the "multiboot_info" structure.
- */
-
-struct mod_list
-{
- /* the memory used goes from bytes 'mod_start' to 'mod_end-1' inclusive */
- unsigned long mod_start;
- unsigned long mod_end;
-
- /* Module command line */
- unsigned long cmdline;
-
- /* padding to take it to 16 bytes (must be zero) */
- unsigned long pad;
-};
-
-
-/*
- * INT-15, AX=E820 style "AddressRangeDescriptor"
- * ...with a "size" parameter on the front which is the structure size - 4,
- * pointing to the next one, up until the full buffer length of the memory
- * map has been reached.
- */
-
-struct AddrRangeDesc
-{
- unsigned long size;
- unsigned long long BaseAddr;
- unsigned long long Length;
- unsigned long Type;
-
- /* unspecified optional padding... */
-};
-
-/* usable memory "Type", all others are reserved. */
-#define MB_ARD_MEMORY 1
-
-
-/* Drive Info structure. */
-struct drive_info
-{
- /* The size of this structure. */
- unsigned long size;
-
- /* The BIOS drive number. */
- unsigned char drive_number;
-
- /* The access mode (see below). */
- unsigned char drive_mode;
-
- /* The BIOS geometry. */
- unsigned short drive_cylinders;
- unsigned char drive_heads;
- unsigned char drive_sectors;
-
- /* The array of I/O ports used for the drive. */
- unsigned short drive_ports[0];
-};
-
-/* Drive Mode. */
-#define MB_DI_CHS_MODE 0
-#define MB_DI_LBA_MODE 1
-
-
-/* APM BIOS info. */
-struct apm_info
-{
- unsigned short version;
- unsigned short cseg;
- unsigned long offset;
- unsigned short cseg_16;
- unsigned short dseg_16;
- unsigned short cseg_len;
- unsigned short cseg_16_len;
- unsigned short dseg_16_len;
-};
-
-
-/*
- * MultiBoot Info description
- *
- * This is the struct passed to the boot image. This is done by placing
- * its address in the EAX register.
- */
-
-struct multiboot_info
-{
- /* MultiBoot info version number */
- unsigned long flags;
-
- /* Available memory from BIOS */
- unsigned long mem_lower;
- unsigned long mem_upper;
-
- /* "root" partition */
- unsigned long boot_device;
-
- /* Kernel command line */
- unsigned long cmdline;
-
- /* Boot-Module list */
- unsigned long mods_count;
- unsigned long mods_addr;
-
- union
- {
- struct
- {
- /* (a.out) Kernel symbol table info */
- unsigned long tabsize;
- unsigned long strsize;
- unsigned long addr;
- unsigned long pad;
- }
- a;
-
- struct
- {
- /* (ELF) Kernel section header table */
- unsigned long num;
- unsigned long size;
- unsigned long addr;
- unsigned long shndx;
- }
- e;
- }
- syms;
-
- /* Memory Mapping buffer */
- unsigned long mmap_length;
- unsigned long mmap_addr;
-
- /* Drive Info buffer */
- unsigned long drives_length;
- unsigned long drives_addr;
-
- /* ROM configuration table */
- unsigned long config_table;
-
- /* Boot Loader Name */
- unsigned long boot_loader_name;
-
- /* APM table */
- unsigned long apm_table;
-
- /* Video */
- unsigned long vbe_control_info;
- unsigned long vbe_mode_info;
- unsigned short vbe_mode;
- unsigned short vbe_interface_seg;
- unsigned short vbe_interface_off;
- unsigned short vbe_interface_len;
-};
-
-/*
- * Flags to be set in the 'flags' parameter above
- */
-
-/* is there basic lower/upper memory information? */
-#define MB_INFO_MEMORY 0x00000001
-/* is there a boot device set? */
-#define MB_INFO_BOOTDEV 0x00000002
-/* is the command-line defined? */
-#define MB_INFO_CMDLINE 0x00000004
-/* are there modules to do something with? */
-#define MB_INFO_MODS 0x00000008
-
-/* These next two are mutually exclusive */
-
-/* is there a symbol table loaded? */
-#define MB_INFO_AOUT_SYMS 0x00000010
-/* is there an ELF section header table? */
-#define MB_INFO_ELF_SHDR 0x00000020
-
-/* is there a full memory map? */
-#define MB_INFO_MEM_MAP 0x00000040
-
-/* Is there drive info? */
-#define MB_INFO_DRIVE_INFO 0x00000080
-
-/* Is there a config table? */
-#define MB_INFO_CONFIG_TABLE 0x00000100
-
-/* Is there a boot loader name? */
-#define MB_INFO_BOOT_LOADER_NAME 0x00000200
-
-/* Is there a APM table? */
-#define MB_INFO_APM_TABLE 0x00000400
-
-/* Is there video information? */
-#define MB_INFO_VIDEO_INFO 0x00000800
-
-/*
- * The following value must be present in the EAX register.
- */
-
-#define MULTIBOOT_VALID 0x2BADB002
git://git.onelab.eu / bootcd.git / blobdiff