| /*␉$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 <dfe@cox.net> 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;␊ |
| };␊ |
| typedef struct multiboot_info multiboot_info;␊ |
| ␊ |
| /* --------------------------------------------------------------------- */␊ |
| ␊ |
| struct multiboot_module {␊ |
| ␉uint32_t␉mm_mod_start;␊ |
| ␉uint32_t␉mm_mod_end;␊ |
| ␉char *␉␉mm_string;␊ |
| ␉uint32_t␉mm_reserved;␊ |
| };␊ |
| typedef struct multiboot_module multiboot_module;␊ |
| ␊ |
| /*␊ |
| * 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__) */␊ |
| ␊ |
| /* --------------------------------------------------------------------- */␊ |
| ␊ |
