grub/include/grub/multiboot.h
2009-06-10 21:04:23 +00:00

129 lines
3.1 KiB
C

/* multiboot.h - multiboot header file with grub definitions. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2003,2007,2008 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_MULTIBOOT_HEADER
#define GRUB_MULTIBOOT_HEADER 1
#include <multiboot.h>
void grub_multiboot (int argc, char *argv[]);
void grub_module (int argc, char *argv[]);
#ifndef ASM_FILE
#include <grub/types.h>
struct grub_multiboot_header
{
/* Must be MULTIBOOT_MAGIC - see above. */
grub_uint32_t magic;
/* Feature flags. */
grub_uint32_t flags;
/* The above fields plus this one must equal 0 mod 2^32. */
grub_uint32_t checksum;
/* These are only valid if MULTIBOOT_AOUT_KLUDGE is set. */
grub_uint32_t header_addr;
grub_uint32_t load_addr;
grub_uint32_t load_end_addr;
grub_uint32_t bss_end_addr;
grub_uint32_t entry_addr;
/* These are only valid if MULTIBOOT_VIDEO_MODE is set. */
grub_uint32_t mode_type;
grub_uint32_t width;
grub_uint32_t height;
grub_uint32_t depth;
};
struct grub_multiboot_info
{
/* Multiboot info version number */
grub_uint32_t flags;
/* Available memory from BIOS */
grub_uint32_t mem_lower;
grub_uint32_t mem_upper;
/* "root" partition */
grub_uint32_t boot_device;
/* Kernel command line */
grub_uint32_t cmdline;
/* Boot-Module list */
grub_uint32_t mods_count;
grub_uint32_t mods_addr;
grub_uint32_t syms[4];
/* Memory Mapping buffer */
grub_uint32_t mmap_length;
grub_uint32_t mmap_addr;
/* Drive Info buffer */
grub_uint32_t drives_length;
grub_uint32_t drives_addr;
/* ROM configuration table */
grub_uint32_t config_table;
/* Boot Loader Name */
grub_uint32_t boot_loader_name;
/* APM table */
grub_uint32_t apm_table;
/* Video */
grub_uint32_t vbe_control_info;
grub_uint32_t vbe_mode_info;
grub_uint16_t vbe_mode;
grub_uint16_t vbe_interface_seg;
grub_uint16_t vbe_interface_off;
grub_uint16_t vbe_interface_len;
};
struct grub_multiboot_mmap_entry
{
grub_uint32_t size;
grub_uint64_t addr;
grub_uint64_t len;
#define GRUB_MULTIBOOT_MEMORY_AVAILABLE 1
#define GRUB_MULTIBOOT_MEMORY_RESERVED 2
grub_uint32_t type;
} __attribute__((packed));
struct grub_mod_list
{
/* the memory used goes from bytes 'mod_start' to 'mod_end-1' inclusive */
grub_uint32_t mod_start;
grub_uint32_t mod_end;
/* Module command line */
grub_uint32_t cmdline;
/* padding to take it to 16 bytes (must be zero) */
grub_uint32_t pad;
};
#endif /* ! ASM_FILE */
#endif /* ! GRUB_MULTIBOOT_HEADER */