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include/multiboot.h
274 строки
8 KB
Vladimir Serbinenko
Add gcc_struct to all packed structures when compiling with mingw.
15 дек 2013, 17:14
15 дек 2013, 17:14
7e47e27
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/* 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 */