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/* multiboot.h - Multiboot header file. */
/* Copyright (C) 1999,2003,2007,2008,2009,2010 Free Software Foundation, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL ANY
* DEVELOPER OR DISTRIBUTOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
* IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
# ifndef MULTIBOOT_HEADER
# define MULTIBOOT_HEADER 1
/* How many bytes from the start of the file we search for the header. */
# define MULTIBOOT_SEARCH 8192
# define MULTIBOOT_HEADER_ALIGN 4
/* The magic field should contain this. */
# define MULTIBOOT_HEADER_MAGIC 0x1BADB002
/* This should be in %eax. */
# define MULTIBOOT_BOOTLOADER_MAGIC 0x2BADB002
/* Alignment of multiboot modules. */
# define MULTIBOOT_MOD_ALIGN 0x00001000
/* Alignment of the multiboot info structure. */
# define MULTIBOOT_INFO_ALIGN 0x00000004
/* Flags set in the ’ ’
/* Align all boot modules on i386 page (4KB) boundaries. */
# define MULTIBOOT_PAGE_ALIGN 0x00000001
/* Must pass memory information to OS. */
# define MULTIBOOT_MEMORY_INFO 0x00000002
/* Must pass video information to OS. */
# define MULTIBOOT_VIDEO_MODE 0x00000004
/* This flag indicates the use of the address fields in the header. */
# define MULTIBOOT_AOUT_KLUDGE 0x00010000
/* Flags to be set in the ’ ’
/* is there basic lower/upper memory information? */
# define MULTIBOOT_INFO_MEMORY 0x00000001
/* is there a boot device set? */
# define MULTIBOOT_INFO_BOOTDEV 0x00000002
/* is the command-line defined? */
# define MULTIBOOT_INFO_CMDLINE 0x00000004
/* are there modules to do something with? */
# define MULTIBOOT_INFO_MODS 0x00000008
/* These next two are mutually exclusive */
/* is there a symbol table loaded? */
# define MULTIBOOT_INFO_AOUT_SYMS 0x00000010
/* is there an ELF section header table? */
# define MULTIBOOT_INFO_ELF_SHDR 0X00000020
/* is there a full memory map? */
# define MULTIBOOT_INFO_MEM_MAP 0x00000040
/* Is there drive info? */
# define MULTIBOOT_INFO_DRIVE_INFO 0x00000080
/* Is there a config table? */
# define MULTIBOOT_INFO_CONFIG_TABLE 0x00000100
/* Is there a boot loader name? */
# define MULTIBOOT_INFO_BOOT_LOADER_NAME 0x00000200
/* Is there a APM table? */
# define MULTIBOOT_INFO_APM_TABLE 0x00000400
/* Is there video information? */
# define MULTIBOOT_INFO_VBE_INFO 0x00000800
# define MULTIBOOT_INFO_FRAMEBUFFER_INFO 0x00001000
# ifndef ASM_FILE
typedef unsigned char multiboot_uint8_t ;
typedef unsigned short multiboot_uint16_t ;
typedef unsigned int multiboot_uint32_t ;
typedef unsigned long long multiboot_uint64_t ;
struct multiboot_header
{
/* Must be MULTIBOOT_MAGIC - see above. */
multiboot_uint32_t magic ;
/* Feature flags. */
multiboot_uint32_t flags ;
/* The above fields plus this one must equal 0 mod 2^32. */
multiboot_uint32_t checksum ;
/* These are only valid if MULTIBOOT_AOUT_KLUDGE is set. */
multiboot_uint32_t header_addr ;
multiboot_uint32_t load_addr ;
multiboot_uint32_t load_end_addr ;
multiboot_uint32_t bss_end_addr ;
multiboot_uint32_t entry_addr ;
/* These are only valid if MULTIBOOT_VIDEO_MODE is set. */
multiboot_uint32_t mode_type ;
multiboot_uint32_t width ;
multiboot_uint32_t height ;
multiboot_uint32_t depth ;
} ;
/* The symbol table for a.out. */
struct multiboot_aout_symbol_table
{
multiboot_uint32_t tabsize ;
multiboot_uint32_t strsize ;
multiboot_uint32_t addr ;
multiboot_uint32_t reserved ;
} ;
typedef struct multiboot_aout_symbol_table multiboot_aout_symbol_table_t ;
/* The section header table for ELF. */
struct multiboot_elf_section_header_table
{
multiboot_uint32_t num ;
multiboot_uint32_t size ;
multiboot_uint32_t addr ;
multiboot_uint32_t shndx ;
} ;
typedef struct multiboot_elf_section_header_table multiboot_elf_section_header_table_t ;
struct multiboot_info
{
/* Multiboot info version number */
multiboot_uint32_t flags ;
/* Available memory from BIOS */
multiboot_uint32_t mem_lower ;
multiboot_uint32_t mem_upper ;
/* "root" partition */
multiboot_uint32_t boot_device ;
/* Kernel command line */
multiboot_uint32_t cmdline ;
/* Boot-Module list */
multiboot_uint32_t mods_count ;
multiboot_uint32_t mods_addr ;
union
{
multiboot_aout_symbol_table_t aout_sym ;
multiboot_elf_section_header_table_t elf_sec ;
} u ;
/* Memory Mapping buffer */
multiboot_uint32_t mmap_length ;
multiboot_uint32_t mmap_addr ;
/* Drive Info buffer */
multiboot_uint32_t drives_length ;
multiboot_uint32_t drives_addr ;
/* ROM configuration table */
multiboot_uint32_t config_table ;
/* Boot Loader Name */
multiboot_uint32_t boot_loader_name ;
/* APM table */
multiboot_uint32_t apm_table ;
/* Video */
multiboot_uint32_t vbe_control_info ;
multiboot_uint32_t vbe_mode_info ;
multiboot_uint16_t vbe_mode ;
multiboot_uint16_t vbe_interface_seg ;
multiboot_uint16_t vbe_interface_off ;
multiboot_uint16_t vbe_interface_len ;
multiboot_uint64_t framebuffer_addr ;
multiboot_uint32_t framebuffer_pitch ;
multiboot_uint32_t framebuffer_width ;
multiboot_uint32_t framebuffer_height ;
multiboot_uint8_t framebuffer_bpp ;
# define MULTIBOOT_FRAMEBUFFER_TYPE_INDEXED 0
# define MULTIBOOT_FRAMEBUFFER_TYPE_RGB 1
# define MULTIBOOT_FRAMEBUFFER_TYPE_EGA_TEXT 2
multiboot_uint8_t framebuffer_type ;
union
{
struct
{
multiboot_uint32_t framebuffer_palette_addr ;
multiboot_uint16_t framebuffer_palette_num_colors ;
} ;
struct
{
multiboot_uint8_t framebuffer_red_field_position ;
multiboot_uint8_t framebuffer_red_mask_size ;
multiboot_uint8_t framebuffer_green_field_position ;
multiboot_uint8_t framebuffer_green_mask_size ;
multiboot_uint8_t framebuffer_blue_field_position ;
multiboot_uint8_t framebuffer_blue_mask_size ;
} ;
} ;
} ;
typedef struct multiboot_info multiboot_info_t ;
struct multiboot_color
{
multiboot_uint8_t red ;
multiboot_uint8_t green ;
multiboot_uint8_t blue ;
} ;
struct multiboot_mmap_entry
{
multiboot_uint32_t size ;
multiboot_uint64_t addr ;
multiboot_uint64_t len ;
# define MULTIBOOT_MEMORY_AVAILABLE 1
# define MULTIBOOT_MEMORY_RESERVED 2
# define MULTIBOOT_MEMORY_ACPI_RECLAIMABLE 3
# define MULTIBOOT_MEMORY_NVS 4
# define MULTIBOOT_MEMORY_BADRAM 5
multiboot_uint32_t type ;
} __attribute__ ( ( packed ) ) ;
typedef struct multiboot_mmap_entry multiboot_memory_map_t ;
struct multiboot_mod_list
{
/* the memory used goes from bytes ’ ’ ’ ’
multiboot_uint32_t mod_start ;
multiboot_uint32_t mod_end ;
/* Module command line */
multiboot_uint32_t cmdline ;
/* padding to take it to 16 bytes (must be zero) */
multiboot_uint32_t pad ;
} ;
typedef struct multiboot_mod_list multiboot_module_t ;
/* APM BIOS info. */
struct multiboot_apm_info
{
multiboot_uint16_t version ;
multiboot_uint16_t cseg ;
multiboot_uint32_t offset ;
multiboot_uint16_t cseg_16 ;
multiboot_uint16_t dseg ;
multiboot_uint16_t flags ;
multiboot_uint16_t cseg_len ;
multiboot_uint16_t cseg_16_len ;
multiboot_uint16_t dseg_len ;
} ;
# endif /* ! ASM_FILE */
# endif /* ! MULTIBOOT_HEADER */
