/* multiboot2.h - Multiboot 2 header file. Copied from the multiboot2 specs / / 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 __PROTOS__MULTIBOOT2_H__ #define __PROTOS__MULTIBOOT2_H__ #include #include noreturn void multiboot2_load(char *config, char *cmdline); /* How many bytes from the start of the file we search for the header. */ #define MULTIBOOT_SEARCH 32768 #define MULTIBOOT_HEADER_ALIGN 8 /* The magic field should contain this. */ #define MULTIBOOT2_HEADER_MAGIC 0xe85250d6 /* This should be in %eax. */ #define MULTIBOOT2_BOOTLOADER_MAGIC 0x36d76289 /* Alignment of multiboot modules. */ #define MULTIBOOT_MOD_ALIGN 0x00001000 /* Alignment of the multiboot info structure. */ #define MULTIBOOT_INFO_ALIGN 0x00000008 /* Flags set in the ’flags’ member of the multiboot header. */ #define MULTIBOOT_TAG_ALIGN 8 #define MULTIBOOT_TAG_TYPE_END 0 #define MULTIBOOT_TAG_TYPE_CMDLINE 1 #define MULTIBOOT_TAG_TYPE_BOOT_LOADER_NAME 2 #define MULTIBOOT_TAG_TYPE_MODULE 3 #define MULTIBOOT_TAG_TYPE_BASIC_MEMINFO 4 #define MULTIBOOT_TAG_TYPE_BOOTDEV 5 #define MULTIBOOT_TAG_TYPE_MMAP 6 #define MULTIBOOT_TAG_TYPE_VBE 7 #define MULTIBOOT_TAG_TYPE_FRAMEBUFFER 8 #define MULTIBOOT_TAG_TYPE_ELF_SECTIONS 9 #define MULTIBOOT_TAG_TYPE_APM 10 #define MULTIBOOT_TAG_TYPE_EFI32 11 #define MULTIBOOT_TAG_TYPE_EFI64 12 #define MULTIBOOT_TAG_TYPE_SMBIOS 13 #define MULTIBOOT_TAG_TYPE_ACPI_OLD 14 #define MULTIBOOT_TAG_TYPE_ACPI_NEW 15 #define MULTIBOOT_TAG_TYPE_NETWORK 16 #define MULTIBOOT_TAG_TYPE_EFI_MMAP 17 #define MULTIBOOT_TAG_TYPE_EFI_BS 18 #define MULTIBOOT_TAG_TYPE_EFI32_IH 19 #define MULTIBOOT_TAG_TYPE_EFI64_IH 20 #define MULTIBOOT_TAG_TYPE_LOAD_BASE_ADDR 21 #define MULTIBOOT_HEADER_TAG_END 0 #define MULTIBOOT_HEADER_TAG_INFORMATION_REQUEST 1 #define MULTIBOOT_HEADER_TAG_ADDRESS 2 #define MULTIBOOT_HEADER_TAG_ENTRY_ADDRESS 3 #define MULTIBOOT_HEADER_TAG_CONSOLE_FLAGS 4 #define MULTIBOOT_HEADER_TAG_FRAMEBUFFER 5 #define MULTIBOOT_HEADER_TAG_MODULE_ALIGN 6 #define MULTIBOOT_HEADER_TAG_EFI_BS 7 #define MULTIBOOT_HEADER_TAG_ENTRY_ADDRESS_EFI32 8 #define MULTIBOOT_HEADER_TAG_ENTRY_ADDRESS_EFI64 9 #define MULTIBOOT_HEADER_TAG_RELOCATABLE 10 #define MULTIBOOT_ARCHITECTURE_I386 0 #define MULTIBOOT_ARCHITECTURE_MIPS32 4 #define MULTIBOOT_HEADER_TAG_OPTIONAL 1 #define MULTIBOOT_LOAD_PREFERENCE_NONE 0 #define MULTIBOOT_LOAD_PREFERENCE_LOW 1 #define MULTIBOOT_LOAD_PREFERENCE_HIGH 2 #define MULTIBOOT_CONSOLE_FLAGS_CONSOLE_REQUIRED 1 #define MULTIBOOT_CONSOLE_FLAGS_EGA_TEXT_SUPPORTED 2 struct multiboot_header { /* Must be MULTIBOOT_MAGIC - see above. */ uint32_t magic; /* ISA */ uint32_t architecture; /* Total header length. */ uint32_t header_length; /* The above fields plus this one must equal 0 mod 2^32. */ uint32_t checksum; }; struct multiboot_header_tag { uint16_t type; uint16_t flags; uint32_t size; }; struct multiboot_header_tag_information_request { uint16_t type; uint16_t flags; uint32_t size; uint32_t requests[0]; }; struct multiboot2_start_tag { uint32_t size; uint32_t reserved; }; struct multiboot_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 multiboot_header_tag_entry_address { uint16_t type; uint16_t flags; uint32_t size; uint32_t entry_addr; }; struct multiboot_header_tag_console_flags { uint16_t type; uint16_t flags; uint32_t size; uint32_t console_flags; }; struct multiboot_header_tag_framebuffer { uint16_t type; uint16_t flags; uint32_t size; uint32_t width; uint32_t height; uint32_t depth; }; struct multiboot_header_tag_module_align { uint16_t type; uint16_t flags; uint32_t size; }; struct multiboot_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 multiboot_color { uint8_t red; uint8_t green; uint8_t blue; }; struct multiboot_mmap_entry { uint64_t addr; uint64_t len; #define MULTIBOOT_MEMORY_AVAILABLE 1 #define MULTIBOOT_MEMORY_RESERVED 2 #define MULTIBOOT_MEMORY_ACPI_RECLAIMABLE 3 #define MULTIBOOT_MEMORY_NVS 4 #define MULTIBOOT_MEMORY_BADRAM 5 uint32_t type; uint32_t zero; }; typedef struct multiboot_mmap_entry multiboot_memory_map_t; struct multiboot_tag { uint32_t type; uint32_t size; }; struct multiboot_tag_string { uint32_t type; uint32_t size; char string[0]; }; struct multiboot_tag_module { uint32_t type; uint32_t size; uint32_t mod_start; uint32_t mod_end; char cmdline[0]; }; struct multiboot_tag_basic_meminfo { uint32_t type; uint32_t size; uint32_t mem_lower; uint32_t mem_upper; }; struct multiboot_tag_bootdev { uint32_t type; uint32_t size; uint32_t biosdev; uint32_t slice; uint32_t part; }; struct multiboot_tag_mmap { uint32_t type; uint32_t size; uint32_t entry_size; uint32_t entry_version; struct multiboot_mmap_entry entries[0]; }; struct multiboot_vbe_info_block { uint8_t external_specification[512]; }; struct multiboot_vbe_mode_info_block { uint8_t external_specification[256]; }; struct multiboot_tag_vbe { uint32_t type; uint32_t size; uint16_t vbe_mode; uint16_t vbe_interface_seg; uint16_t vbe_interface_off; uint16_t vbe_interface_len; struct multiboot_vbe_info_block vbe_control_info; struct multiboot_vbe_mode_info_block vbe_mode_info; }; struct multiboot_tag_framebuffer_common { uint32_t type; uint32_t size; uint64_t framebuffer_addr; uint32_t framebuffer_pitch; uint32_t framebuffer_width; uint32_t framebuffer_height; uint8_t framebuffer_bpp; #define MULTIBOOT_FRAMEBUFFER_TYPE_INDEXED 0 #define MULTIBOOT_FRAMEBUFFER_TYPE_RGB 1 #define MULTIBOOT_FRAMEBUFFER_TYPE_EGA_TEXT 2 uint8_t framebuffer_type; uint16_t reserved; }; struct multiboot_tag_framebuffer { struct multiboot_tag_framebuffer_common common; union { struct { uint16_t framebuffer_palette_num_colors; struct multiboot_color framebuffer_palette[0]; }; struct { uint8_t framebuffer_red_field_position; uint8_t framebuffer_red_mask_size; uint8_t framebuffer_green_field_position; uint8_t framebuffer_green_mask_size; uint8_t framebuffer_blue_field_position; uint8_t framebuffer_blue_mask_size; }; }; }; struct multiboot_tag_elf_sections { uint32_t type; uint32_t size; uint32_t num; uint32_t entsize; uint32_t shndx; char sections[0]; }; struct multiboot_tag_apm { uint32_t type; uint32_t size; uint16_t version; uint16_t cseg; uint32_t offset; uint16_t cseg_16; uint16_t dseg; uint16_t flags; uint16_t cseg_len; uint16_t cseg_16_len; uint16_t dseg_len; }; struct multiboot_tag_efi32 { uint32_t type; uint32_t size; uint32_t pointer; }; struct multiboot_tag_efi64 { uint32_t type; uint32_t size; uint64_t pointer; }; struct multiboot_tag_smbios { uint32_t type; uint32_t size; uint8_t major; uint8_t minor; uint8_t reserved[6]; uint8_t tables[0]; }; struct multiboot_tag_old_acpi { uint32_t type; uint32_t size; uint8_t rsdp[0]; }; struct multiboot_tag_new_acpi { uint32_t type; uint32_t size; uint8_t rsdp[0]; }; struct multiboot_tag_network { uint32_t type; uint32_t size; uint8_t dhcpack[0]; }; struct multiboot_tag_efi_mmap { uint32_t type; uint32_t size; uint32_t descr_size; uint32_t descr_vers; uint8_t efi_mmap[0]; }; struct multiboot_tag_efi32_ih { uint32_t type; uint32_t size; uint32_t pointer; }; struct multiboot_tag_efi64_ih { uint32_t type; uint32_t size; uint64_t pointer; }; struct multiboot_tag_load_base_addr { uint32_t type; uint32_t size; uint32_t load_base_addr; }; #endif