274 lines
8.3 KiB
C
274 lines
8.3 KiB
C
/* 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;
|
||
} __attribute__((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
|
||
{
|
||
multiboot_uint16_t version;
|
||
multiboot_uint16_t cseg;
|
||
multiboot_uint32_t offset;
|
||
multiboot_uint16_t cseg_16;
|
||
multiboot_uint16_t dseg;
|
||
multiboot_uint16_t flags;
|
||
multiboot_uint16_t cseg_len;
|
||
multiboot_uint16_t cseg_16_len;
|
||
multiboot_uint16_t dseg_len;
|
||
};
|
||
|
||
#endif /* ! ASM_FILE */
|
||
|
||
#endif /* ! MULTIBOOT_HEADER */
|