/* $NetBSD: multiboot.h,v 1.4 2006/10/25 13:56:16 jmmv Exp $ */ /*- * Copyright (c) 2005, 2006 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Julio M. Merino Vidal. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* Modified by David Elliott on 2007/06/27 - Removed checks for KERNEL define - Replaced _LOCORE def check with __ASSEMBLER__ def check - Removed prototypes for C functions we don't have - Replaced all paddr_t and vaddr_t types with uint32_t and a comment */ /* --------------------------------------------------------------------- */ /* * Multiboot header structure. */ #define MULTIBOOT_HEADER_MAGIC 0x1BADB002 #define MULTIBOOT_HEADER_MODS_ALIGNED 0x00000001 #define MULTIBOOT_HEADER_WANT_MEMORY 0x00000002 #define MULTIBOOT_HEADER_HAS_VBE 0x00000004 #define MULTIBOOT_HEADER_HAS_ADDR 0x00010000 #if !defined(__ASSEMBLER__) struct multiboot_header { uint32_t mh_magic; uint32_t mh_flags; uint32_t mh_checksum; /* Valid if mh_flags sets MULTIBOOT_HEADER_HAS_ADDR. */ uint32_t mh_header_addr; /* paddr_t */ uint32_t mh_load_addr; /* paddr_t */ uint32_t mh_load_end_addr; /* paddr_t */ uint32_t mh_bss_end_addr; /* paddr_t */ uint32_t mh_entry_addr; /* paddr_t */ /* Valid if mh_flags sets MULTIBOOT_HEADER_HAS_VBE. */ uint32_t mh_mode_type; uint32_t mh_width; uint32_t mh_height; uint32_t mh_depth; }; #endif /* !defined(__ASSEMBLER__) */ /* * Symbols defined in locore.S. */ #if !defined(__ASSEMBLER__) extern struct multiboot_header *Multiboot_Header; #endif /* !defined(__ASSEMBLER__) */ /* --------------------------------------------------------------------- */ /* * Multiboot information structure. */ #define MULTIBOOT_INFO_MAGIC 0x2BADB002 #define MULTIBOOT_INFO_HAS_MEMORY 0x00000001 #define MULTIBOOT_INFO_HAS_BOOT_DEVICE 0x00000002 #define MULTIBOOT_INFO_HAS_CMDLINE 0x00000004 #define MULTIBOOT_INFO_HAS_MODS 0x00000008 #define MULTIBOOT_INFO_HAS_AOUT_SYMS 0x00000010 #define MULTIBOOT_INFO_HAS_ELF_SYMS 0x00000020 #define MULTIBOOT_INFO_HAS_MMAP 0x00000040 #define MULTIBOOT_INFO_HAS_DRIVES 0x00000080 #define MULTIBOOT_INFO_HAS_CONFIG_TABLE 0x00000100 #define MULTIBOOT_INFO_HAS_LOADER_NAME 0x00000200 #define MULTIBOOT_INFO_HAS_APM_TABLE 0x00000400 #define MULTIBOOT_INFO_HAS_VBE 0x00000800 #if !defined(__ASSEMBLER__) struct multiboot_info { uint32_t mi_flags; /* Valid if mi_flags sets MULTIBOOT_INFO_HAS_MEMORY. */ uint32_t mi_mem_lower; uint32_t mi_mem_upper; /* Valid if mi_flags sets MULTIBOOT_INFO_HAS_BOOT_DEVICE. */ uint8_t mi_boot_device_part3; uint8_t mi_boot_device_part2; uint8_t mi_boot_device_part1; uint8_t mi_boot_device_drive; /* Valid if mi_flags sets MULTIBOOT_INFO_HAS_CMDLINE. */ char * mi_cmdline; /* Valid if mi_flags sets MULTIBOOT_INFO_HAS_MODS. */ uint32_t mi_mods_count; uint32_t mi_mods_addr; /* vaddr_t */ /* Valid if mi_flags sets MULTIBOOT_INFO_HAS_{AOUT,ELF}_SYMS. */ uint32_t mi_elfshdr_num; uint32_t mi_elfshdr_size; uint32_t mi_elfshdr_addr; /* vaddr_t */ uint32_t mi_elfshdr_shndx; /* Valid if mi_flags sets MULTIBOOT_INFO_HAS_MMAP. */ uint32_t mi_mmap_length; uint32_t mi_mmap_addr; /* vaddr_t */ /* Valid if mi_flags sets MULTIBOOT_INFO_HAS_DRIVES. */ uint32_t mi_drives_length; uint32_t mi_drives_addr; /* vaddr_t */ /* Valid if mi_flags sets MULTIBOOT_INFO_HAS_CONFIG_TABLE. */ void * unused_mi_config_table; /* Valid if mi_flags sets MULTIBOOT_INFO_HAS_LOADER_NAME. */ char * mi_loader_name; /* Valid if mi_flags sets MULTIBOOT_INFO_HAS_APM. */ void * unused_mi_apm_table; /* Valid if mi_flags sets MULTIBOOT_INFO_HAS_VBE. */ void * unused_mi_vbe_control_info; void * unused_mi_vbe_mode_info; uint32_t unused_mi_vbe_interface_seg; /* paddr_t */ uint32_t unused_mi_vbe_interface_off; /* paddr_t */ uint32_t unused_mi_vbe_interface_len; }; /* --------------------------------------------------------------------- */ struct multiboot_module { uint32_t mm_mod_start; uint32_t mm_mod_end; char * mm_string; uint32_t mm_reserved; }; /* * Drive information. This describes an entry in the drives table as * pointed to by mi_drives_addr. */ struct multiboot_drive { uint32_t md_length; uint8_t md_number; uint8_t md_mode; uint16_t md_cylinders; uint8_t md_heads; uint8_t md_sectors; /* The variable-sized 'ports' field comes here, so this structure * can be longer. */ }; /* --------------------------------------------------------------------- */ /* * Memory mapping. This describes an entry in the memory mappings table * as pointed to by mi_mmap_addr. * * Be aware that mm_size specifies the size of all other fields *except* * for mm_size. In order to jump between two different entries, you * have to count mm_size + 4 bytes. */ struct multiboot_mmap { uint32_t mm_size; uint64_t mm_base_addr; uint64_t mm_length; uint32_t mm_type; }; #endif /* !defined(__ASSEMBLER__) */ /* --------------------------------------------------------------------- */