| /* multiboot.h - Multiboot header file. */ |
| /* 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_HEADER |
| #define MULTIBOOT_HEADER 1 |
| |
| /* How many bytes from the start of the file we search for the header. */ |
| #define MULTIBOOT_SEARCH 8192 |
| #define MULTIBOOT_HEADER_ALIGN 4 |
| |
| /* The magic field should contain this. */ |
| #define MULTIBOOT_HEADER_MAGIC 0x1BADB002 |
| |
| /* This should be in %eax. */ |
| #define MULTIBOOT_BOOTLOADER_MAGIC 0x2BADB002 |
| |
| /* Alignment of multiboot modules. */ |
| #define MULTIBOOT_MOD_ALIGN 0x00001000 |
| |
| /* Alignment of the multiboot info structure. */ |
| #define MULTIBOOT_INFO_ALIGN 0x00000004 |
| |
| /* Flags set in the 'flags' member of the multiboot header. */ |
| |
| /* Align all boot modules on i386 page (4KB) boundaries. */ |
| #define MULTIBOOT_PAGE_ALIGN 0x00000001 |
| |
| /* Must pass memory information to OS. */ |
| #define MULTIBOOT_MEMORY_INFO 0x00000002 |
| |
| /* Must pass video information to OS. */ |
| #define MULTIBOOT_VIDEO_MODE 0x00000004 |
| |
| /* This flag indicates the use of the address fields in the header. */ |
| #define MULTIBOOT_AOUT_KLUDGE 0x00010000 |
| |
| /* Flags to be set in the 'flags' member of the multiboot info structure. */ |
| |
| /* is there basic lower/upper memory information? */ |
| #define MULTIBOOT_INFO_MEMORY 0x00000001 |
| /* is there a boot device set? */ |
| #define MULTIBOOT_INFO_BOOTDEV 0x00000002 |
| /* is the command-line defined? */ |
| #define MULTIBOOT_INFO_CMDLINE 0x00000004 |
| /* are there modules to do something with? */ |
| #define MULTIBOOT_INFO_MODS 0x00000008 |
| |
| /* These next two are mutually exclusive */ |
| |
| /* is there a symbol table loaded? */ |
| #define MULTIBOOT_INFO_AOUT_SYMS 0x00000010 |
| /* is there an ELF section header table? */ |
| #define MULTIBOOT_INFO_ELF_SHDR 0X00000020 |
| |
| /* is there a full memory map? */ |
| #define MULTIBOOT_INFO_MEM_MAP 0x00000040 |
| |
| /* Is there drive info? */ |
| #define MULTIBOOT_INFO_DRIVE_INFO 0x00000080 |
| |
| /* Is there a config table? */ |
| #define MULTIBOOT_INFO_CONFIG_TABLE 0x00000100 |
| |
| /* Is there a boot loader name? */ |
| #define MULTIBOOT_INFO_BOOT_LOADER_NAME 0x00000200 |
| |
| /* Is there a APM table? */ |
| #define MULTIBOOT_INFO_APM_TABLE 0x00000400 |
| |
| /* Is there video information? */ |
| #define MULTIBOOT_INFO_VBE_INFO 0x00000800 |
| #define MULTIBOOT_INFO_FRAMEBUFFER_INFO 0x00001000 |
| |
| #ifndef ASM_FILE |
| |
| typedef unsigned char multiboot_uint8_t; |
| typedef unsigned short multiboot_uint16_t; |
| typedef unsigned int multiboot_uint32_t; |
| typedef unsigned long long multiboot_uint64_t; |
| |
| struct multiboot_header |
| { |
| /* Must be MULTIBOOT_MAGIC - see above. */ |
| multiboot_uint32_t magic; |
| |
| /* Feature flags. */ |
| multiboot_uint32_t flags; |
| |
| /* The above fields plus this one must equal 0 mod 2^32. */ |
| multiboot_uint32_t checksum; |
| |
| /* These are only valid if MULTIBOOT_AOUT_KLUDGE is set. */ |
| multiboot_uint32_t header_addr; |
| multiboot_uint32_t load_addr; |
| multiboot_uint32_t load_end_addr; |
| multiboot_uint32_t bss_end_addr; |
| multiboot_uint32_t entry_addr; |
| |
| /* These are only valid if MULTIBOOT_VIDEO_MODE is set. */ |
| multiboot_uint32_t mode_type; |
| multiboot_uint32_t width; |
| multiboot_uint32_t height; |
| multiboot_uint32_t depth; |
| }; |
| |
| /* The symbol table for a.out. */ |
| struct multiboot_aout_symbol_table |
| { |
| multiboot_uint32_t tabsize; |
| multiboot_uint32_t strsize; |
| multiboot_uint32_t addr; |
| multiboot_uint32_t reserved; |
| }; |
| typedef struct multiboot_aout_symbol_table multiboot_aout_symbol_table_t; |
| |
| /* The section header table for ELF. */ |
| struct multiboot_elf_section_header_table |
| { |
| multiboot_uint32_t num; |
| multiboot_uint32_t size; |
| multiboot_uint32_t addr; |
| multiboot_uint32_t shndx; |
| }; |
| typedef struct multiboot_elf_section_header_table multiboot_elf_section_header_table_t; |
| |
| struct multiboot_info |
| { |
| /* Multiboot info version number */ |
| multiboot_uint32_t flags; |
| |
| /* Available memory from BIOS */ |
| multiboot_uint32_t mem_lower; |
| multiboot_uint32_t mem_upper; |
| |
| /* "root" partition */ |
| multiboot_uint32_t boot_device; |
| |
| /* Kernel command line */ |
| multiboot_uint32_t cmdline; |
| |
| /* Boot-Module list */ |
| multiboot_uint32_t mods_count; |
| multiboot_uint32_t mods_addr; |
| |
| union |
| { |
| multiboot_aout_symbol_table_t aout_sym; |
| multiboot_elf_section_header_table_t elf_sec; |
| } u; |
| |
| /* Memory Mapping buffer */ |
| multiboot_uint32_t mmap_length; |
| multiboot_uint32_t mmap_addr; |
| |
| /* Drive Info buffer */ |
| multiboot_uint32_t drives_length; |
| multiboot_uint32_t drives_addr; |
| |
| /* ROM configuration table */ |
| multiboot_uint32_t config_table; |
| |
| /* Boot Loader Name */ |
| multiboot_uint32_t boot_loader_name; |
| |
| /* APM table */ |
| multiboot_uint32_t apm_table; |
| |
| /* Video */ |
| multiboot_uint32_t vbe_control_info; |
| multiboot_uint32_t vbe_mode_info; |
| multiboot_uint16_t vbe_mode; |
| multiboot_uint16_t vbe_interface_seg; |
| multiboot_uint16_t vbe_interface_off; |
| multiboot_uint16_t vbe_interface_len; |
| |
| multiboot_uint64_t framebuffer_addr; |
| multiboot_uint32_t framebuffer_pitch; |
| multiboot_uint32_t framebuffer_width; |
| multiboot_uint32_t framebuffer_height; |
| multiboot_uint8_t framebuffer_bpp; |
| #define MULTIBOOT_FRAMEBUFFER_TYPE_INDEXED 0 |
| #define MULTIBOOT_FRAMEBUFFER_TYPE_RGB 1 |
| #define MULTIBOOT_FRAMEBUFFER_TYPE_EGA_TEXT 2 |
| multiboot_uint8_t framebuffer_type; |
| union |
| { |
| struct |
| { |
| multiboot_uint32_t framebuffer_palette_addr; |
| multiboot_uint16_t framebuffer_palette_num_colors; |
| }; |
| struct |
| { |
| multiboot_uint8_t framebuffer_red_field_position; |
| multiboot_uint8_t framebuffer_red_mask_size; |
| multiboot_uint8_t framebuffer_green_field_position; |
| multiboot_uint8_t framebuffer_green_mask_size; |
| multiboot_uint8_t framebuffer_blue_field_position; |
| multiboot_uint8_t framebuffer_blue_mask_size; |
| }; |
| }; |
| }; |
| typedef struct multiboot_info multiboot_info_t; |
| |
| struct multiboot_color |
| { |
| multiboot_uint8_t red; |
| multiboot_uint8_t green; |
| multiboot_uint8_t blue; |
| }; |
| |
| struct multiboot_mmap_entry |
| { |
| multiboot_uint32_t size; |
| multiboot_uint64_t addr; |
| multiboot_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 |
| multiboot_uint32_t type; |
| } GRUB_PACKED; |
| typedef struct multiboot_mmap_entry multiboot_memory_map_t; |
| |
| struct multiboot_mod_list |
| { |
| /* the memory used goes from bytes 'mod_start' to 'mod_end-1' inclusive */ |
| multiboot_uint32_t mod_start; |
| multiboot_uint32_t mod_end; |
| |
| /* Module command line */ |
| multiboot_uint32_t cmdline; |
| |
| /* padding to take it to 16 bytes (must be zero) */ |
| multiboot_uint32_t pad; |
| }; |
| typedef struct multiboot_mod_list multiboot_module_t; |
| |
| /* APM BIOS info. */ |
| struct multiboot_apm_info |
| { |
| grub_uint16_t version; |
| grub_uint16_t cseg; |
| grub_uint32_t offset; |
| grub_uint16_t cseg_16; |
| grub_uint16_t dseg; |
| grub_uint16_t flags; |
| grub_uint16_t cseg_len; |
| grub_uint16_t cseg_16_len; |
| grub_uint16_t dseg_len; |
| }; |
| |
| #endif /* ! ASM_FILE */ |
| |
| #endif /* ! MULTIBOOT_HEADER */ |