/* * Copyright (C) 2021 Intel Corporation. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ /* multiboot_std.h - Multiboot standard header file. */ /* * Reference: * https://www.gnu.org/software/grub/manual/multiboot/multiboot.html * https://www.gnu.org/software/grub/manual/multiboot2/multiboot.html */ /* Copyright (C) 1999,2003,2007,2008,2009,2010 Free Software Foundation, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to * deal in the Software without restriction, including without limitation the * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or * sell copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL ANY * DEVELOPER OR DISTRIBUTOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR * IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef MULTIBOOT_STD_H #define MULTIBOOT_STD_H #define MULTIBOOT_HEADER_MAGIC 0x1BADB002 #define MULTIBOOT_INFO_MAGIC 0x2BADB002U /* MULTIBOOT HEADER FLAGS */ #define MULTIBOOT_HEADER_NEED_MEMINFO 0x00000002 /* MULTIBOOT INFO FLAGS */ #define MULTIBOOT_INFO_HAS_CMDLINE 0x00000004U #define MULTIBOOT_INFO_HAS_MODS 0x00000008U #define MULTIBOOT_INFO_HAS_MMAP 0x00000040U #define MULTIBOOT_INFO_HAS_DRIVES 0x00000080U #define MULTIBOOT_INFO_HAS_LOADER_NAME 0x00000200U #ifndef ASSEMBLER struct multiboot_mmap { uint32_t size; uint64_t baseaddr; uint64_t length; uint32_t type; } __packed; struct multiboot_module { uint32_t mm_mod_start; uint32_t mm_mod_end; uint32_t mm_string; uint32_t mm_reserved; } __packed; 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; uint16_t unused_mi_vbe_mode; uint16_t unused_mi_vbe_interface_seg; uint16_t unused_mi_vbe_interface_off; uint16_t unused_mi_vbe_interface_len; } __packed; #endif #ifdef CONFIG_MULTIBOOT2 #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_ARCHITECTURE_I386 0 #define MULTIBOOT2_ARCHITECTURE_MIPS32 4 #ifndef ASSEMBLER 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 #endif /* CONFIG_MULTIBOOT2 */ #endif /* MULTIBOOT2_STD_H */