rulimine/stage23/protos/multiboot2.h

/*   multiboot2.h - Multiboot 2 header file. Copied from the multiboot2 specs /
/   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 __PROTOS__MULTIBOOT2_H__
#define __PROTOS__MULTIBOOT2_H__

#include <stdint.h>

void multiboot2_load(char *config, char* cmdline);

/*  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_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_TAG_TYPE_EFI32_IH          19
#define MULTIBOOT_TAG_TYPE_EFI64_IH          20
#define MULTIBOOT_TAG_TYPE_LOAD_BASE_ADDR    21

#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_HEADER_TAG_ENTRY_ADDRESS_EFI32  8
#define MULTIBOOT_HEADER_TAG_ENTRY_ADDRESS_EFI64  9
#define MULTIBOOT_HEADER_TAG_RELOCATABLE  10

#define MULTIBOOT_ARCHITECTURE_I386  0
#define MULTIBOOT_ARCHITECTURE_MIPS32  4
#define MULTIBOOT_HEADER_TAG_OPTIONAL 1

#define MULTIBOOT_LOAD_PREFERENCE_NONE 0
#define MULTIBOOT_LOAD_PREFERENCE_LOW 1
#define MULTIBOOT_LOAD_PREFERENCE_HIGH 2

#define MULTIBOOT_CONSOLE_FLAGS_CONSOLE_REQUIRED 1
#define MULTIBOOT_CONSOLE_FLAGS_EGA_TEXT_SUPPORTED 2

struct multiboot_header
{
    /*  Must be MULTIBOOT_MAGIC - see above. */
    uint32_t magic;

    /*  ISA */
    uint32_t architecture;

    /*  Total header length. */
    uint32_t header_length;

    /*  The above fields plus this one must equal 0 mod 2^32. */
    uint32_t checksum;
};

struct multiboot_header_tag
{
    uint16_t type;
    uint16_t flags;
    uint32_t size;
};

struct multiboot_header_tag_information_request
{
    uint16_t type;
    uint16_t flags;
    uint32_t size;
    uint32_t requests[0];
};

struct multiboot2_start_tag {
    uint32_t size;
    uint32_t reserved;
};

struct multiboot_header_tag_address
{
    uint16_t type;
    uint16_t flags;
    uint32_t size;
    uint32_t header_addr;
    uint32_t load_addr;
    uint32_t load_end_addr;
    uint32_t bss_end_addr;
};

struct multiboot_header_tag_entry_address
{
    uint16_t type;
    uint16_t flags;
    uint32_t size;
    uint32_t entry_addr;
};

struct multiboot_header_tag_console_flags
{
    uint16_t type;
    uint16_t flags;
    uint32_t size;
    uint32_t console_flags;
};

struct multiboot_header_tag_framebuffer
{
    uint16_t type;
    uint16_t flags;
    uint32_t size;
    uint32_t width;
    uint32_t height;
    uint32_t depth;
};

struct multiboot_header_tag_module_align
{
    uint16_t type;
    uint16_t flags;
    uint32_t size;
};

struct multiboot_header_tag_relocatable
{
    uint16_t type;
    uint16_t flags;
    uint32_t size;
    uint32_t min_addr;
    uint32_t max_addr;
    uint32_t align;
    uint32_t preference;
};

struct multiboot_color
{
    uint8_t red;
    uint8_t green;
    uint8_t blue;
};

struct multiboot_mmap_entry
{
    uint64_t addr;
    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
    uint32_t type;
    uint32_t zero;
};
typedef struct multiboot_mmap_entry multiboot_memory_map_t;

struct multiboot_tag
{
    uint32_t type;
    uint32_t size;
};

struct multiboot_tag_string
{
    uint32_t type;
    uint32_t size;
    char string[0];
};

struct multiboot_tag_module
{
    uint32_t type;
    uint32_t size;
    uint32_t mod_start;
    uint32_t mod_end;
    char cmdline[0];
};

struct multiboot_tag_basic_meminfo
{
    uint32_t type;
    uint32_t size;
    uint32_t mem_lower;
    uint32_t mem_upper;
};

struct multiboot_tag_bootdev
{
    uint32_t type;
    uint32_t size;
    uint32_t biosdev;
    uint32_t slice;
    uint32_t part;
};

struct multiboot_tag_mmap
{
    uint32_t type;
    uint32_t size;
    uint32_t entry_size;
    uint32_t entry_version;
    struct multiboot_mmap_entry entries[0];
};

struct multiboot_vbe_info_block
{
    uint8_t external_specification[512];
};

struct multiboot_vbe_mode_info_block
{
    uint8_t external_specification[256];
};

struct multiboot_tag_vbe
{
    uint32_t type;
    uint32_t size;

    uint16_t vbe_mode;
    uint16_t vbe_interface_seg;
    uint16_t vbe_interface_off;
    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
{
    uint32_t type;
    uint32_t size;

    uint64_t framebuffer_addr;
    uint32_t framebuffer_pitch;
    uint32_t framebuffer_width;
    uint32_t framebuffer_height;
    uint8_t framebuffer_bpp;
#define MULTIBOOT_FRAMEBUFFER_TYPE_INDEXED 0
#define MULTIBOOT_FRAMEBUFFER_TYPE_RGB     1
#define MULTIBOOT_FRAMEBUFFER_TYPE_EGA_TEXT     2
    uint8_t framebuffer_type;
    uint16_t reserved;
};

struct multiboot_tag_framebuffer
{
    struct multiboot_tag_framebuffer_common common;

    union
    {
        struct
        {
            uint16_t framebuffer_palette_num_colors;
            struct multiboot_color framebuffer_palette[0];
        };
        struct
        {
            uint8_t framebuffer_red_field_position;
            uint8_t framebuffer_red_mask_size;
            uint8_t framebuffer_green_field_position;
            uint8_t framebuffer_green_mask_size;
            uint8_t framebuffer_blue_field_position;
            uint8_t framebuffer_blue_mask_size;
        };
    };
};

struct multiboot_tag_elf_sections
{
    uint32_t type;
    uint32_t size;
    uint32_t num;
    uint32_t entsize;
    uint32_t shndx;
    char sections[0];
};

struct multiboot_tag_apm
{
    uint32_t type;
    uint32_t size;
    uint16_t version;
    uint16_t cseg;
    uint32_t offset;
    uint16_t cseg_16;
    uint16_t dseg;
    uint16_t flags;
    uint16_t cseg_len;
    uint16_t cseg_16_len;
    uint16_t dseg_len;
};

struct multiboot_tag_efi32
{
    uint32_t type;
    uint32_t size;
    uint32_t pointer;
};

struct multiboot_tag_efi64
{
    uint32_t type;
    uint32_t size;
    uint64_t pointer;
};

struct multiboot_tag_smbios
{
    uint32_t type;
    uint32_t size;
    uint8_t major;
    uint8_t minor;
    uint8_t reserved[6];
    uint8_t tables[0];
};

struct multiboot_tag_old_acpi
{
    uint32_t type;
    uint32_t size;
    uint8_t rsdp[0];
};

struct multiboot_tag_new_acpi
{
    uint32_t type;
    uint32_t size;
    uint8_t rsdp[0];
};

struct multiboot_tag_network
{
    uint32_t type;
    uint32_t size;
    uint8_t dhcpack[0];
};

struct multiboot_tag_efi_mmap
{
    uint32_t type;
    uint32_t size;
    uint32_t descr_size;
    uint32_t descr_vers;
    uint8_t efi_mmap[0];
};

struct multiboot_tag_efi32_ih
{
    uint32_t type;
    uint32_t size;
    uint32_t pointer;
};

struct multiboot_tag_efi64_ih
{
    uint32_t type;
    uint32_t size;
    uint64_t pointer;
};

struct multiboot_tag_load_base_addr
{
    uint32_t type;
    uint32_t size;
    uint32_t load_base_addr;
};

__attribute__((noreturn)) void multiboot2_spinup_32(
                 uint32_t entry_point, uint32_t multiboot1_info);

#endif