/* [ORIGIN: src/sys/arch/i386/include/... */ /* $NetBSD: multiboot.h,v 1.8 2009/02/22 18:05:42 ahoka 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. * * 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. */ /* * multiboot.h */ #ifndef _MULTIBOOT_H #define _MULTIBOOT_H #include #include struct multiboot_info; extern struct multiboot_info mbi; /* * 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 #define MULTIBOOT_HEADER_ALIGN 4 #define MULTIBOOT_SEARCH 8192 #if !defined(_LOCORE) 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; uint32_t mh_load_addr; uint32_t mh_load_end_addr; uint32_t mh_bss_end_addr; uint32_t mh_entry_addr; /* 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(_LOCORE) */ /* * Symbols defined in locore.S. */ extern struct multiboot_header *Multiboot_Header; /* * Multiboot information structure. */ #define MULTIBOOT_INFO_MAGIC 0x2BADB002U #define MULTIBOOT_INFO_HAS_MEMORY 0x00000001U #define MULTIBOOT_INFO_HAS_BOOT_DEVICE 0x00000002U #define MULTIBOOT_INFO_HAS_CMDLINE 0x00000004U #define MULTIBOOT_INFO_HAS_MODS 0x00000008U #define MULTIBOOT_INFO_HAS_AOUT_SYMS 0x00000010U #define MULTIBOOT_INFO_HAS_ELF_SYMS 0x00000020U #define MULTIBOOT_INFO_HAS_MMAP 0x00000040U #define MULTIBOOT_INFO_HAS_DRIVES 0x00000080U #define MULTIBOOT_INFO_HAS_CONFIG_TABLE 0x00000100U #define MULTIBOOT_INFO_HAS_LOADER_NAME 0x00000200U #define MULTIBOOT_INFO_HAS_APM_TABLE 0x00000400U #define MULTIBOOT_INFO_HAS_VBE 0x00000800U #if !defined(_LOCORE) 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. */ uint32_t mi_cmdline; /* Valid if mi_flags sets MULTIBOOT_INFO_HAS_MODS. */ uint32_t mi_mods_count; uint32_t mi_mods_addr; /* 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; uint32_t mi_elfshdr_shndx; /* Valid if mi_flags sets MULTIBOOT_INFO_HAS_MMAP. */ uint32_t mi_mmap_length; uint32_t mi_mmap_addr; /* Valid if mi_flags sets MULTIBOOT_INFO_HAS_DRIVES. */ uint32_t mi_drives_length; uint32_t mi_drives_addr; /* Valid if mi_flags sets MULTIBOOT_INFO_HAS_CONFIG_TABLE. */ uint32_t unused_mi_config_table; /* Valid if mi_flags sets MULTIBOOT_INFO_HAS_LOADER_NAME. */ uint32_t mi_loader_name; /* Valid if mi_flags sets MULTIBOOT_INFO_HAS_APM. */ uint32_t unused_mi_apm_table; /* Valid if mi_flags sets MULTIBOOT_INFO_HAS_VBE. */ uint32_t unused_mi_vbe_control_info; uint32_t unused_mi_vbe_mode_info; uint32_t unused_mi_vbe_interface_seg; uint32_t unused_mi_vbe_interface_off; uint32_t unused_mi_vbe_interface_len; }__aligned(8); /* * 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 __attribute__((packed)) multiboot_mmap { uint32_t mm_size; uint64_t mm_base_addr; uint64_t mm_length; uint32_t mm_type; }; /* * Modules. This describes an entry in the modules table as pointed * to by mi_mods_addr. */ struct multiboot_module { uint32_t mmo_start; uint32_t mmo_end; uint32_t mmo_string; uint32_t mmo_reserved; } __packed; #endif /* !defined(_LOCORE) */ struct multiboot2_header { uint32_t magic; uint32_t architecture; uint32_t header_length; uint32_t checksum; }; #define MULTIBOOT2_SEARCH 32768 #define MULTIBOOT2_HEADER_ALIGN 8 #define MULTIBOOT2_HEADER_MAGIC 0xe85250d6U /* This should be in %eax. */ #define MULTIBOOT2_INFO_MAGIC 0x36d76289U /* Alignment of the multiboot info structure. */ #define MULTIBOOT2_INFO_ALIGN 0x00000008U /* Flags set in the 'flags' member of the multiboot header. */ #define MULTIBOOT2_TAG_ALIGN 8U #define MULTIBOOT2_TAG_TYPE_END 0U #define MULTIBOOT2_TAG_TYPE_CMDLINE 1U #define MULTIBOOT2_TAG_TYPE_BOOT_LOADER_NAME 2U #define MULTIBOOT2_TAG_TYPE_MODULE 3U #define MULTIBOOT2_TAG_TYPE_BASIC_MEMINFO 4U #define MULTIBOOT2_TAG_TYPE_BOOTDEV 5U #define MULTIBOOT2_TAG_TYPE_MMAP 6U #define MULTIBOOT2_TAG_TYPE_VBE 7U #define MULTIBOOT2_TAG_TYPE_FRAMEBUFFER 8U #define MULTIBOOT2_TAG_TYPE_ELF_SECTIONS 9U #define MULTIBOOT2_TAG_TYPE_APM 10U #define MULTIBOOT2_TAG_TYPE_EFI32 11U #define MULTIBOOT2_TAG_TYPE_EFI64 12U #define MULTIBOOT2_TAG_TYPE_SMBIOS 13U #define MULTIBOOT2_TAG_TYPE_ACPI_OLD 14U #define MULTIBOOT2_TAG_TYPE_ACPI_NEW 15U #define MULTIBOOT2_TAG_TYPE_NETWORK 16U #define MULTIBOOT2_TAG_TYPE_EFI_MMAP 17U #define MULTIBOOT2_TAG_TYPE_EFI_BS 18U #define MULTIBOOT2_TAG_TYPE_EFI32_IH 19U #define MULTIBOOT2_TAG_TYPE_EFI64_IH 20U #define MULTIBOOT2_TAG_TYPE_LOAD_BASE_ADDR 21U #define MULTIBOOT2_HEADER_TAG_END 0 #define MULTIBOOT2_HEADER_TAG_INFORMATION_REQUEST 1 #define MULTIBOOT2_HEADER_TAG_ADDRESS 2 #define MULTIBOOT2_HEADER_TAG_ENTRY_ADDRESS 3 #define MULTIBOOT2_HEADER_TAG_CONSOLE_FLAGS 4 #define MULTIBOOT2_HEADER_TAG_FRAMEBUFFER 5 #define MULTIBOOT2_HEADER_TAG_MODULE_ALIGN 6 #define MULTIBOOT2_HEADER_TAG_EFI_BS 7 #define MULTIBOOT2_HEADER_TAG_ENTRY_ADDRESS_EFI32 8 #define MULTIBOOT2_HEADER_TAG_ENTRY_ADDRESS_EFI64 9 #define MULTIBOOT2_HEADER_TAG_RELOCATABLE 10 #define MULTIBOOT2_HEADER_TAG_OPTIONAL 1 #define MULTIBOOT2_ARCHITECTURE_I386 0 #ifndef ASSEMBLER struct multiboot2_header_tag { uint16_t type; uint16_t flags; uint32_t size; }; struct multiboot2_header_tag_information_request { uint16_t type; uint16_t flags; uint32_t size; uint32_t requests[0]; }; struct multiboot2_header_tag_address { uint16_t type; uint16_t flags; uint32_t size; uint32_t header_addr; uint32_t load_addr; uint32_t load_end_addr; uint32_t bss_end_addr; }; struct multiboot2_header_tag_entry_address { uint16_t type; uint16_t flags; uint32_t size; uint32_t entry_addr; }; struct multiboot2_header_tag_console_flags { uint16_t type; uint16_t flags; uint32_t size; uint32_t console_flags; }; struct multiboot2_header_tag_framebuffer { uint16_t type; uint16_t flags; uint32_t size; uint32_t width; uint32_t height; uint32_t depth; }; struct multiboot2_header_tag_module_align { uint16_t type; uint16_t flags; uint32_t size; }; struct multiboot2_header_tag_relocatable { uint16_t type; uint16_t flags; uint32_t size; uint32_t min_addr; uint32_t max_addr; uint32_t align; uint32_t preference; }; struct multiboot2_mmap_entry { uint64_t addr; uint64_t len; uint32_t type; uint32_t zero; }; struct multiboot2_tag { uint32_t type; uint32_t size; }; struct multiboot2_tag_string { uint32_t type; uint32_t size; char string[0]; }; struct multiboot2_tag_module { uint32_t type; uint32_t size; uint32_t mod_start; uint32_t mod_end; char cmdline[0]; }; struct multiboot2_tag_mmap { uint32_t type; uint32_t size; uint32_t entry_size; uint32_t entry_version; struct multiboot2_mmap_entry entries[0]; }; struct multiboot2_tag_new_acpi { uint32_t type; uint32_t size; uint8_t rsdp[0]; }; struct multiboot2_tag_efi64 { uint32_t type; uint32_t size; uint64_t pointer; }; struct multiboot2_tag_efi_mmap { uint32_t type; uint32_t size; uint32_t descr_size; uint32_t descr_vers; uint8_t efi_mmap[0]; }; #endif struct hv_mb2header_tag_list { struct multiboot2_header_tag_information_request *info_req; struct multiboot2_header_tag_address *addr; struct multiboot2_header_tag_entry_address *entry; struct multiboot2_header_tag_console_flags *console_flags; struct multiboot2_header_tag_framebuffer *frbuf; struct multiboot2_header_tag_module_align *modalign; struct multiboot2_header_tag_relocatable *reloc; }; const struct multiboot_header *find_mb1header(const UINT8 *buffer, uint64_t len); const struct multiboot2_header *find_mb2header(const UINT8 *buffer, uint64_t len); int parse_mb2header(const struct multiboot2_header *header, struct hv_mb2header_tag_list *hv_tags); #endif /* _MULTIBOOT_H */