| /* multiboot.h |
| * tag: header for multiboot |
| * |
| * Copyright (C) 2003-2004 Stefan Reinauer |
| * |
| * See the file "COPYING" for further information about |
| * the copyright and warranty status of this work. |
| */ |
| |
| /* magic number for multiboot header */ |
| #define MULTIBOOT_HEADER_MAGIC 0x1BADB002 |
| |
| /* flags for multiboot header */ |
| #define MULTIBOOT_HEADER_FLAGS 0x00010003 |
| |
| /* magic number passed by multiboot-compliant boot loader. */ |
| #define MULTIBOOT_BOOTLOADER_MAGIC 0x2BADB002 |
| |
| /* The size of our stack (8KB). */ |
| #define STACK_SIZE 0x2000 |
| |
| /* C symbol format. HAVE_ASM_USCORE is defined by configure. */ |
| #ifdef HAVE_ASM_USCORE |
| # define EXT_C(sym) _ ## sym |
| #else |
| # define EXT_C(sym) sym |
| #endif |
| |
| #ifndef ASM |
| /* We don't want these declarations in boot.S */ |
| |
| /* multiboot header */ |
| typedef struct multiboot_header { |
| unsigned long magic; |
| unsigned long flags; |
| unsigned long checksum; |
| unsigned long header_addr; |
| unsigned long load_addr; |
| unsigned long load_end_addr; |
| unsigned long bss_end_addr; |
| unsigned long entry_addr; |
| } multiboot_header_t; |
| |
| /* symbol table for a.out */ |
| typedef struct aout_symbol_table { |
| unsigned long tabsize; |
| unsigned long strsize; |
| unsigned long addr; |
| unsigned long reserved; |
| } aout_symbol_table_t; |
| |
| /* section header table for ELF */ |
| typedef struct elf_section_header_table { |
| unsigned long num; |
| unsigned long size; |
| unsigned long addr; |
| unsigned long shndx; |
| } elf_section_header_table_t; |
| |
| /* multiboot information */ |
| typedef struct multiboot_info { |
| unsigned long flags; |
| unsigned long mem_lower; |
| unsigned long mem_upper; |
| unsigned long boot_device; |
| unsigned long cmdline; |
| unsigned long mods_count; |
| unsigned long mods_addr; |
| union { |
| aout_symbol_table_t aout_sym; |
| elf_section_header_table_t elf_sec; |
| } u; |
| unsigned long mmap_length; |
| unsigned long mmap_addr; |
| } multiboot_info_t; |
| |
| /* module structure */ |
| typedef struct module { |
| unsigned long mod_start; |
| unsigned long mod_end; |
| unsigned long string; |
| unsigned long reserved; |
| } module_t; |
| |
| /* memory map. Be careful that the offset 0 is base_addr_low |
| but no size. */ |
| typedef struct memory_map { |
| unsigned long size; |
| unsigned long base_addr_low; |
| unsigned long base_addr_high; |
| unsigned long length_low; |
| unsigned long length_high; |
| unsigned long type; |
| } memory_map_t; |
| |
| #endif /* ! ASM */ |
