/* multiboot.h - the header for Multiboot */ /* Copyright (C) 1999, 2001 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. */ /* Macros. */ /* The magic number for the Multiboot header. */ #define MULTIBOOT_HEADER_MAGIC 0x1BADB002 /* The flags for the Multiboot header. */ #ifdef __ELF__ # define MULTIBOOT_HEADER_FLAGS 0x00000003 #else # define MULTIBOOT_HEADER_FLAGS 0x00010003 #endif /* The magic number passed by a Multiboot-compliant boot loader. */ #define MULTIBOOT_BOOTLOADER_MAGIC 0x2BADB002 #ifndef ASM /* Do not include here in boot.S. */ /* Types. */ #include /* The Multiboot header. */ typedef struct multiboot_header { uint32_t magic; uint32_t flags; uint32_t checksum; uint32_t header_addr; uint32_t load_addr; uint32_t load_end_addr; uint32_t bss_end_addr; uint32_t entry_addr; } multiboot_header_t; /* The symbol table for a.out. */ typedef struct aout_symbol_table { uint32_t tabsize; uint32_t strsize; uint32_t addr; uint32_t reserved; } aout_symbol_table_t; /* The section header table for ELF. */ typedef struct elf_section_header_table { uint32_t num; uint32_t size; uint32_t addr; uint32_t shndx; } elf_section_header_table_t; /* The Multiboot information. */ typedef struct multiboot_info { uint32_t flags; uint32_t mem_lower; uint32_t mem_upper; uint32_t boot_device; uint32_t cmdline; uint32_t mods_count; uint32_t mods_addr; union { aout_symbol_table_t aout_sym; elf_section_header_table_t elf_sec; } u; uint32_t mmap_length; uint32_t mmap_addr; uint32_t drives_length; uint32_t drives_addr; uint32_t config_table; uint32_t boot_loader_name; uint32_t apm_table; uint32_t vbe_control_info; uint32_t vbe_mode_info; uint32_t vbe_mode; uint32_t vbe_interface_seg; uint32_t vbe_interface_off; uint32_t vbe_interface_len; } multiboot_info_t; /* The module structure. */ typedef struct module { uint32_t mod_start; uint32_t mod_end; uint32_t string; uint32_t reserved; } module_t; /* The memory map. SIZE is the size of the structure except for the SIZE field itself. */ typedef struct memory_map { uint32_t size; uint64_t base_addr; uint64_t length; uint32_t type; } memory_map_t; #endif /* ! ASM */