#define MULTIBOOT_HEADER 1
/* How many bytes from the start of the file we search for the header. */
-#define MULTIBOOT_SEARCH 8192
+#define MULTIBOOT_SEARCH 32768
+#define MULTIBOOT_HEADER_ALIGN 8
/* The magic field should contain this. */
#define MULTIBOOT2_HEADER_MAGIC 0xe85250d6
#define MULTIBOOT_MOD_ALIGN 0x00001000
/* Alignment of the multiboot info structure. */
-#define MULTIBOOT_INFO_ALIGN 0x00000004
+#define MULTIBOOT_INFO_ALIGN 0x00000008
/* 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_VIDEO_INFO 0x00000800
+#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_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_ARCHITECTURE_I386 0
+#define MULTIBOOT_ARCHITECTURE_MIPS32 4
+#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;
/* Must be MULTIBOOT_MAGIC - see above. */
multiboot_uint32_t magic;
- /* Feature flags. */
- multiboot_uint32_t flags;
+ /* 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;
+};
- /* These are only valid if MULTIBOOT_AOUT_KLUDGE is set. */
+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;
+};
- /* These are only valid if MULTIBOOT_VIDEO_MODE is set. */
- multiboot_uint32_t mode_type;
+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;
};
-/* The symbol table for a.out. */
-struct multiboot_aout_symbol_table
+struct multiboot_color
{
- multiboot_uint32_t tabsize;
- multiboot_uint32_t strsize;
- multiboot_uint32_t addr;
- multiboot_uint32_t reserved;
+ multiboot_uint8_t red;
+ multiboot_uint8_t green;
+ multiboot_uint8_t blue;
};
-typedef struct multiboot_aout_symbol_table multiboot_aout_symbol_table_t;
-/* The section header table for ELF. */
-struct multiboot_elf_section_header_table
+struct multiboot_mmap_entry
{
- multiboot_uint32_t num;
+ 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;
+ multiboot_uint32_t zero;
+} GRUB_PACKED;
+typedef struct multiboot_mmap_entry multiboot_memory_map_t;
+
+struct multiboot_tag
+{
+ multiboot_uint32_t type;
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
+struct multiboot_tag_string
{
- /* Multiboot info version number */
- multiboot_uint32_t flags;
+ 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];
+};
- /* Available memory from BIOS */
+struct multiboot_tag_basic_meminfo
+{
+ multiboot_uint32_t type;
+ multiboot_uint32_t size;
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;
+struct multiboot_tag_bootdev
+{
+ multiboot_uint32_t type;
+ multiboot_uint32_t size;
+ multiboot_uint32_t biosdev;
+ multiboot_uint32_t slice;
+ multiboot_uint32_t part;
+};
- /* Drive Info buffer */
- multiboot_uint32_t drives_length;
- multiboot_uint32_t drives_addr;
+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];
+};
- /* ROM configuration table */
- multiboot_uint32_t config_table;
+struct multiboot_vbe_info_block
+{
+ multiboot_uint8_t external_specification[512];
+};
- /* Boot Loader Name */
- multiboot_uint32_t boot_loader_name;
+struct multiboot_vbe_mode_info_block
+{
+ multiboot_uint8_t external_specification[256];
+};
- /* APM table */
- multiboot_uint32_t apm_table;
+struct multiboot_tag_vbe
+{
+ multiboot_uint32_t type;
+ multiboot_uint32_t size;
- /* 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;
+
+ struct multiboot_vbe_info_block vbe_control_info;
+ struct multiboot_vbe_mode_info_block vbe_mode_info;
};
-typedef struct multiboot_info multiboot_info_t;
-struct multiboot_mmap_entry
+struct multiboot_tag_framebuffer_common
{
+ multiboot_uint32_t type;
multiboot_uint32_t size;
- multiboot_uint64_t addr;
- multiboot_uint64_t len;
-#define MULTIBOOT_MEMORY_AVAILABLE 1
-#define MULTIBOOT_MEMORY_RESERVED 2
+
+ 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;
-} __attribute__((packed));
-typedef struct multiboot_mmap_entry multiboot_memory_map_t;
+ multiboot_uint32_t size;
+ multiboot_uint32_t num;
+ multiboot_uint32_t entsize;
+ multiboot_uint32_t shndx;
+ char sections[0];
+};
-struct multiboot_mod_list
+struct multiboot_tag_apm
{
- /* the memory used goes from bytes 'mod_start' to 'mod_end-1' inclusive */
- multiboot_uint32_t mod_start;
- multiboot_uint32_t mod_end;
+ 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;
+};
- /* Module command line */
- multiboot_uint32_t cmdline;
+struct multiboot_tag_efi32
+{
+ multiboot_uint32_t type;
+ multiboot_uint32_t size;
+ multiboot_uint32_t pointer;
+};
- /* padding to take it to 16 bytes (must be zero) */
- multiboot_uint32_t pad;
+struct multiboot_tag_efi64
+{
+ multiboot_uint32_t type;
+ multiboot_uint32_t size;
+ multiboot_uint64_t pointer;
};
-typedef struct multiboot_mod_list multiboot_module_t;
+
+struct multiboot_tag_smbios
+{
+ multiboot_uint32_t type;
+ multiboot_uint32_t size;
+ multiboot_uint8_t major;
+ multiboot_uint8_t minor;
+ multiboot_uint8_t reserved[6];
+ multiboot_uint8_t tables[0];
+};
+
+struct multiboot_tag_old_acpi
+{
+ multiboot_uint32_t type;
+ multiboot_uint32_t size;
+ multiboot_uint8_t rsdp[0];
+};
+
+struct multiboot_tag_new_acpi
+{
+ multiboot_uint32_t type;
+ multiboot_uint32_t size;
+ multiboot_uint8_t rsdp[0];
+};
+
+struct multiboot_tag_network
+{
+ multiboot_uint32_t type;
+ multiboot_uint32_t size;
+ multiboot_uint8_t dhcpack[0];
+};
+
+struct multiboot_tag_efi_mmap
+{
+ multiboot_uint32_t type;
+ multiboot_uint32_t size;
+ multiboot_uint32_t descr_size;
+ multiboot_uint32_t descr_vers;
+ multiboot_uint8_t efi_mmap[0];
+};
#endif /* ! ASM_FILE */
projects / grub2.git / blobdiff