/* multiboot.h - multiboot header file with VasEBoot definitions. */
/*
 *  VAS_EBOOT  --  GRand Unified Bootloader
 *  Copyright (C) 2003,2007,2008,2010  Free Software Foundation, Inc.
 *
 *  VAS_EBOOT 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.
 *
 *  VAS_EBOOT 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 VAS_EBOOT.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef VAS_EBOOT_MULTIBOOT2_HEADER
#define VAS_EBOOT_MULTIBOOT2_HEADER 1

#include <VasEBoot/file.h>

#include <multiboot2.h>

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

extern struct VasEBoot_relocator *VasEBoot_multiboot2_relocator;

void VasEBoot_multiboot2 (int argc, char *argv[]);
void VasEBoot_module2 (int argc, char *argv[]);

void VasEBoot_multiboot2_set_accepts_video (int val);
VasEBoot_err_t VasEBoot_multiboot2_make_mbi (VasEBoot_uint32_t *target);
void VasEBoot_multiboot2_free_mbi (void);
VasEBoot_err_t VasEBoot_multiboot2_init_mbi (int argc, char *argv[]);
VasEBoot_err_t VasEBoot_multiboot2_add_module (VasEBoot_addr_t start, VasEBoot_size_t size,
				      int argc, char *argv[]);
void VasEBoot_multiboot2_set_bootdev (void);
void
VasEBoot_multiboot2_add_elfsyms (VasEBoot_size_t num, VasEBoot_size_t entsize,
			    unsigned shndx, void *data);

VasEBoot_uint32_t VasEBoot_multiboot2_get_mmap_count (void);
VasEBoot_err_t VasEBoot_multiboot2_set_video_mode (void);

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

#if defined (VAS_EBOOT_MACHINE_PCBIOS) || defined (VAS_EBOOT_MACHINE_COREBOOT) || defined (VAS_EBOOT_MACHINE_MULTIBOOT) || defined (VAS_EBOOT_MACHINE_QEMU)
#define VAS_EBOOT_MACHINE_HAS_VGA_TEXT 1
#else
#define VAS_EBOOT_MACHINE_HAS_VGA_TEXT 0
#endif

#if defined (VAS_EBOOT_MACHINE_EFI) || defined (VAS_EBOOT_MACHINE_PCBIOS) || defined (VAS_EBOOT_MACHINE_COREBOOT) || defined (VAS_EBOOT_MACHINE_MULTIBOOT)
#define VAS_EBOOT_MACHINE_HAS_ACPI 1
#else
#define VAS_EBOOT_MACHINE_HAS_ACPI 0
#endif

#define VAS_EBOOT_MULTIBOOT2_CONSOLE_EGA_TEXT 1
#define VAS_EBOOT_MULTIBOOT2_CONSOLE_FRAMEBUFFER 2

VasEBoot_err_t
VasEBoot_multiboot2_set_console (int console_type, int accepted_consoles,
			    int width, int height, int depth,
			    int console_required);
VasEBoot_err_t
VasEBoot_multiboot2_load (VasEBoot_file_t file, const char *filename);

struct mbi_load_data
{
  VasEBoot_file_t file;
  const char *filename;
  void *buffer;
  unsigned int mbi_ver;
  int relocatable;
  VasEBoot_uint32_t min_addr;
  VasEBoot_uint32_t max_addr;
  VasEBoot_size_t align;
  VasEBoot_uint32_t preference;
  VasEBoot_uint32_t link_base_addr;
  VasEBoot_uint32_t load_base_addr;
  int avoid_efi_boot_services;
};
typedef struct mbi_load_data mbi_load_data_t;

/* Load ELF32 or ELF64.  */
VasEBoot_err_t
VasEBoot_multiboot2_load_elf (mbi_load_data_t *mld);

extern VasEBoot_size_t VasEBoot_multiboot2_pure_size;
extern VasEBoot_size_t VasEBoot_multiboot2_alloc_mbi;
extern VasEBoot_uint32_t VasEBoot_multiboot2_payload_eip;


#endif /* ! VAS_EBOOT_MULTIBOOT_HEADER */