313 lines
8.1 KiB
C
313 lines
8.1 KiB
C
/* multiboot2.h - Multiboot 2 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 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_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 GRUB_MULTIBOOT_ARCHITECTURE_I386 0
|
|
#define MULTIBOOT_HEADER_TAG_OPTIONAL 1
|
|
|
|
#define MULTIBOOT_CONSOLE_FLAGS_CONSOLE_REQUIRED 1
|
|
#define MULTIBOOT_CONSOLE_FLAGS_EGA_TEXT_SUPPORTED 2
|
|
|
|
#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;
|
|
|
|
/* ISA */
|
|
multiboot_uint32_t architecture;
|
|
|
|
/* Total header length. */
|
|
multiboot_uint32_t header_length;
|
|
|
|
/* The above fields plus this one must equal 0 mod 2^32. */
|
|
multiboot_uint32_t checksum;
|
|
};
|
|
|
|
struct multiboot_header_tag
|
|
{
|
|
multiboot_uint16_t type;
|
|
multiboot_uint16_t flags;
|
|
multiboot_uint32_t size;
|
|
};
|
|
|
|
struct multiboot_header_tag_information_request
|
|
{
|
|
multiboot_uint16_t type;
|
|
multiboot_uint16_t flags;
|
|
multiboot_uint32_t size;
|
|
multiboot_uint32_t requests[0];
|
|
};
|
|
|
|
struct multiboot_header_tag_address
|
|
{
|
|
multiboot_uint16_t type;
|
|
multiboot_uint16_t flags;
|
|
multiboot_uint32_t size;
|
|
multiboot_uint32_t header_addr;
|
|
multiboot_uint32_t load_addr;
|
|
multiboot_uint32_t load_end_addr;
|
|
multiboot_uint32_t bss_end_addr;
|
|
};
|
|
|
|
struct multiboot_header_tag_entry_address
|
|
{
|
|
multiboot_uint16_t type;
|
|
multiboot_uint16_t flags;
|
|
multiboot_uint32_t size;
|
|
multiboot_uint32_t entry_addr;
|
|
};
|
|
|
|
struct multiboot_header_tag_console_flags
|
|
{
|
|
multiboot_uint16_t type;
|
|
multiboot_uint16_t flags;
|
|
multiboot_uint32_t size;
|
|
multiboot_uint32_t console_flags;
|
|
};
|
|
|
|
struct multiboot_header_tag_framebuffer
|
|
{
|
|
multiboot_uint16_t type;
|
|
multiboot_uint16_t flags;
|
|
multiboot_uint32_t size;
|
|
multiboot_uint32_t width;
|
|
multiboot_uint32_t height;
|
|
multiboot_uint32_t depth;
|
|
};
|
|
|
|
struct multiboot_header_tag_module_align
|
|
{
|
|
multiboot_uint16_t type;
|
|
multiboot_uint16_t flags;
|
|
multiboot_uint32_t size;
|
|
multiboot_uint32_t width;
|
|
multiboot_uint32_t height;
|
|
multiboot_uint32_t depth;
|
|
};
|
|
|
|
struct multiboot_color
|
|
{
|
|
multiboot_uint8_t red;
|
|
multiboot_uint8_t green;
|
|
multiboot_uint8_t blue;
|
|
};
|
|
|
|
struct multiboot_mmap_entry
|
|
{
|
|
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
|
|
multiboot_uint32_t type;
|
|
multiboot_uint32_t zero;
|
|
} __attribute__((packed));
|
|
typedef struct multiboot_mmap_entry multiboot_memory_map_t;
|
|
|
|
struct multiboot_tag
|
|
{
|
|
multiboot_uint32_t type;
|
|
multiboot_uint32_t size;
|
|
};
|
|
|
|
struct multiboot_tag_string
|
|
{
|
|
multiboot_uint32_t type;
|
|
multiboot_uint32_t size;
|
|
char string[0];
|
|
};
|
|
|
|
struct multiboot_tag_module
|
|
{
|
|
multiboot_uint32_t type;
|
|
multiboot_uint32_t size;
|
|
multiboot_uint32_t mod_start;
|
|
multiboot_uint32_t mod_end;
|
|
char cmdline[0];
|
|
};
|
|
|
|
struct multiboot_tag_basic_meminfo
|
|
{
|
|
multiboot_uint32_t type;
|
|
multiboot_uint32_t size;
|
|
multiboot_uint32_t mem_lower;
|
|
multiboot_uint32_t mem_upper;
|
|
};
|
|
|
|
struct multiboot_tag_bootdev
|
|
{
|
|
multiboot_uint32_t type;
|
|
multiboot_uint32_t size;
|
|
multiboot_uint32_t biosdev;
|
|
multiboot_uint32_t slice;
|
|
multiboot_uint32_t part;
|
|
};
|
|
|
|
struct multiboot_tag_mmap
|
|
{
|
|
multiboot_uint32_t type;
|
|
multiboot_uint32_t size;
|
|
multiboot_uint32_t entry_size;
|
|
multiboot_uint32_t entry_version;
|
|
struct multiboot_mmap_entry entries[0];
|
|
};
|
|
|
|
struct multiboot_vbe_info_block
|
|
{
|
|
multiboot_uint8_t external_specification[512];
|
|
};
|
|
|
|
struct multiboot_vbe_mode_info_block
|
|
{
|
|
multiboot_uint8_t external_specification[256];
|
|
};
|
|
|
|
struct multiboot_tag_vbe
|
|
{
|
|
multiboot_uint32_t type;
|
|
multiboot_uint32_t size;
|
|
|
|
multiboot_uint16_t vbe_mode;
|
|
multiboot_uint16_t vbe_interface_seg;
|
|
multiboot_uint16_t vbe_interface_off;
|
|
multiboot_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
|
|
{
|
|
multiboot_uint32_t type;
|
|
multiboot_uint32_t size;
|
|
|
|
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;
|
|
multiboot_uint16_t reserved;
|
|
};
|
|
|
|
struct multiboot_tag_framebuffer
|
|
{
|
|
struct multiboot_tag_framebuffer_common common;
|
|
|
|
union
|
|
{
|
|
struct
|
|
{
|
|
multiboot_uint16_t framebuffer_palette_num_colors;
|
|
struct multiboot_color framebuffer_palette[0];
|
|
};
|
|
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;
|
|
};
|
|
};
|
|
};
|
|
|
|
struct multiboot_tag_elf_sections
|
|
{
|
|
multiboot_uint32_t type;
|
|
multiboot_uint32_t size;
|
|
multiboot_uint32_t num;
|
|
multiboot_uint32_t entsize;
|
|
multiboot_uint32_t shndx;
|
|
char sections[0];
|
|
};
|
|
|
|
struct multiboot_tag_apm
|
|
{
|
|
multiboot_uint32_t type;
|
|
multiboot_uint32_t size;
|
|
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 */
|