/* multiboot.h - multiboot header file with grub definitions. */
/*
 *  GRUB  --  GRand Unified Bootloader
 *  Copyright (C) 2003,2007,2008,2010  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_MULTIBOOT_HEADER
#define GRUB_MULTIBOOT_HEADER 1

#include <grub/file.h>

#ifdef GRUB_USE_MULTIBOOT2
#include <multiboot2.h>
/* Same thing as far as our loader is concerned.  */
#define MULTIBOOT_BOOTLOADER_MAGIC	MULTIBOOT2_BOOTLOADER_MAGIC
#define MULTIBOOT_HEADER_MAGIC		MULTIBOOT2_HEADER_MAGIC
#else
#include <multiboot.h>
#endif

#include <grub/types.h>
#include <grub/err.h>

#ifndef GRUB_USE_MULTIBOOT2
typedef enum
  {
    GRUB_MULTIBOOT_QUIRKS_NONE = 0,
    GRUB_MULTIBOOT_QUIRK_BAD_KLUDGE = 1,
    GRUB_MULTIBOOT_QUIRK_MODULES_AFTER_KERNEL = 2
  } grub_multiboot_quirks_t;
extern grub_multiboot_quirks_t grub_multiboot_quirks;
#endif

extern struct grub_relocator *grub_multiboot_relocator;

void grub_multiboot (int argc, char *argv[]);
void grub_module (int argc, char *argv[]);

void grub_multiboot_set_accepts_video (int val);
grub_err_t grub_multiboot_make_mbi (grub_uint32_t *target);
void grub_multiboot_free_mbi (void);
grub_err_t grub_multiboot_init_mbi (int argc, char *argv[]);
grub_err_t grub_multiboot_add_module (grub_addr_t start, grub_size_t size,
				      int argc, char *argv[]);
void grub_multiboot_set_bootdev (void);
void
grub_multiboot_add_elfsyms (grub_size_t num, grub_size_t entsize,
			    unsigned shndx, void *data);

grub_uint32_t grub_get_multiboot_mmap_count (void);
grub_err_t grub_multiboot_set_video_mode (void);

/* FIXME: support coreboot as well.  */
#if defined (GRUB_MACHINE_PCBIOS)
#define GRUB_MACHINE_HAS_VBE 1
#else
#define GRUB_MACHINE_HAS_VBE 0
#endif

#if defined (GRUB_MACHINE_PCBIOS) || defined (GRUB_MACHINE_COREBOOT) || defined (GRUB_MACHINE_MULTIBOOT) || defined (GRUB_MACHINE_QEMU)
#define GRUB_MACHINE_HAS_VGA_TEXT 1
#else
#define GRUB_MACHINE_HAS_VGA_TEXT 0
#endif

#if defined (GRUB_MACHINE_EFI) || defined (GRUB_MACHINE_PCBIOS) || defined (GRUB_MACHINE_COREBOOT) || defined (GRUB_MACHINE_MULTIBOOT)
#define GRUB_MACHINE_HAS_ACPI 1
#else
#define GRUB_MACHINE_HAS_ACPI 0
#endif

#define GRUB_MULTIBOOT_CONSOLE_EGA_TEXT 1
#define GRUB_MULTIBOOT_CONSOLE_FRAMEBUFFER 2 

grub_err_t
grub_multiboot_set_console (int console_type, int accepted_consoles,
			    int width, int height, int depth,
			    int console_required);
grub_err_t
grub_multiboot_load (grub_file_t file, const char *filename);

struct mbi_load_data
{
  grub_file_t file;
  const char *filename;
  void *buffer;
  unsigned int mbi_ver;
  int relocatable;
  grub_uint32_t min_addr;
  grub_uint32_t max_addr;
  grub_size_t align;
  grub_uint32_t preference;
  grub_uint32_t link_base_addr;
  grub_uint32_t load_base_addr;
  int avoid_efi_boot_services;
};
typedef struct mbi_load_data mbi_load_data_t;

/* Load ELF32 or ELF64.  */
grub_err_t
grub_multiboot_load_elf (mbi_load_data_t *mld);

extern grub_size_t grub_multiboot_pure_size;
extern grub_size_t grub_multiboot_alloc_mbi;
extern grub_uint32_t grub_multiboot_payload_eip;


#endif /* ! GRUB_MULTIBOOT_HEADER */