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alcedo/kernel/multiboot.nim

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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.
##
## How many bytes from the start of the file we search for the header.
const
MULTIBOOT_SEARCH* = 8192
MULTIBOOT_HEADER_ALIGN* = 4
## The magic field should contain this.
const
MULTIBOOT_HEADER_MAGIC* = 0x1BADB002
## This should be in %eax.
const
MULTIBOOT_BOOTLOADER_MAGIC* = 0x2BADB002
## Alignment of multiboot modules.
const
MULTIBOOT_MOD_ALIGN* = 0x00001000
## Alignment of the multiboot info structure.
const
MULTIBOOT_INFO_ALIGN* = 0x00000004
## Flags set in the 'flags' member of the multiboot header.
## Align all boot modules on i386 page (4KB) boundaries.
const
MULTIBOOT_PAGE_ALIGN* = 0x00000001
## Must pass memory information to OS.
const
MULTIBOOT_MEMORY_INFO* = 0x00000002
## Must pass video information to OS.
const
MULTIBOOT_VIDEO_MODE* = 0x00000004
## This flag indicates the use of the address fields in the header.
const
MULTIBOOT_AOUT_KLUDGE* = 0x00010000
## Flags to be set in the 'flags' member of the multiboot info structure.
## is there basic lower/upper memory information?
const
MULTIBOOT_INFO_MEMORY* = 0x00000001
## is there a boot device set?
const
MULTIBOOT_INFO_BOOTDEV* = 0x00000002
## is the command-line defined?
const
MULTIBOOT_INFO_CMDLINE* = 0x00000004
## are there modules to do something with?
const
MULTIBOOT_INFO_MODS* = 0x00000008
## These next two are mutually exclusive
## is there a symbol table loaded?
const
MULTIBOOT_INFO_AOUT_SYMS* = 0x00000010
## is there an ELF section header table?
const
MULTIBOOT_INFO_ELF_SHDR* = 0x00000020
## is there a full memory map?
const
MULTIBOOT_INFO_MEM_MAP* = 0x00000040
## Is there drive info?
const
MULTIBOOT_INFO_DRIVE_INFO* = 0x00000080
## Is there a config table?
const
MULTIBOOT_INFO_CONFIG_TABLE* = 0x00000100
## Is there a boot loader name?
const
MULTIBOOT_INFO_BOOT_LOADER_NAME* = 0x00000200
## Is there a APM table?
const
MULTIBOOT_INFO_APM_TABLE* = 0x00000400
## Is there video information?
const
MULTIBOOT_INFO_VBE_INFO* = 0x00000800
MULTIBOOT_INFO_FRAMEBUFFER_INFO* = 0x00001000
when not defined(ASM_FILE):
type
multiboot_uint8_t* = cuchar
multiboot_uint16_t* = cushort
multiboot_uint32_t* = cuint
multiboot_uint64_t* = culonglong
type
multiboot_header* {.bycopy.} = object
magic*: multiboot_uint32_t ## Must be MULTIBOOT_MAGIC - see above.
## Feature flags.
flags*: multiboot_uint32_t ## The above fields plus this one must equal 0 mod 2^32.
checksum*: multiboot_uint32_t ## These are only valid if MULTIBOOT_AOUT_KLUDGE is set.
header_addr*: multiboot_uint32_t
load_addr*: multiboot_uint32_t
load_end_addr*: multiboot_uint32_t
bss_end_addr*: multiboot_uint32_t
entry_addr*: multiboot_uint32_t ## These are only valid if MULTIBOOT_VIDEO_MODE is set.
mode_type*: multiboot_uint32_t
width*: multiboot_uint32_t
height*: multiboot_uint32_t
depth*: multiboot_uint32_t
## The symbol table for a.out.
type
multiboot_aout_symbol_table* {.bycopy.} = object
tabsize*: multiboot_uint32_t
strsize*: multiboot_uint32_t
`addr`*: multiboot_uint32_t
reserved*: multiboot_uint32_t
type
multiboot_aout_symbol_table_t* = multiboot_aout_symbol_table
## The section header table for ELF.
type
multiboot_elf_section_header_table* {.bycopy.} = object
num*: multiboot_uint32_t
size*: multiboot_uint32_t
`addr`*: multiboot_uint32_t
shndx*: multiboot_uint32_t
type
multiboot_elf_section_header_table_t* = multiboot_elf_section_header_table
type
INNER_C_UNION_181031587* {.bycopy.} = object {.union.}
aout_sym*: multiboot_aout_symbol_table_t
elf_sec*: multiboot_elf_section_header_table_t
type
INNER_C_STRUCT_3866696476* {.bycopy.} = object
framebuffer_palette_addr*: multiboot_uint32_t
framebuffer_palette_num_colors*: multiboot_uint16_t
type
INNER_C_STRUCT_1103324769* {.bycopy.} = object
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*: multiboot_uint8_t
type
INNER_C_UNION_2305456475* {.bycopy.} = object {.union.}
ano_2282080798*: INNER_C_STRUCT_3866696476
ano_3054406492*: INNER_C_STRUCT_1103324769
const
MULTIBOOT_FRAMEBUFFER_TYPE_INDEXED* = 0
MULTIBOOT_FRAMEBUFFER_TYPE_RGB* = 1
MULTIBOOT_FRAMEBUFFER_TYPE_EGA_TEXT* = 2
type
multiboot_info* {.bycopy.} = object
flags*: multiboot_uint32_t ## Multiboot info version number
## Available memory from BIOS
mem_lower*: multiboot_uint32_t
mem_upper*: multiboot_uint32_t ## "root" partition
boot_device*: multiboot_uint32_t ## Kernel command line
cmdline*: multiboot_uint32_t ## Boot-Module list
mods_count*: multiboot_uint32_t
mods_addr*: multiboot_uint32_t
u*: INNER_C_UNION_181031587 ## Memory Mapping buffer
mmap_length*: multiboot_uint32_t
mmap_addr*: multiboot_uint32_t ## Drive Info buffer
drives_length*: multiboot_uint32_t
drives_addr*: multiboot_uint32_t ## ROM configuration table
config_table*: multiboot_uint32_t ## Boot Loader Name
boot_loader_name*: multiboot_uint32_t ## APM table
apm_table*: multiboot_uint32_t ## Video
vbe_control_info*: multiboot_uint32_t
vbe_mode_info*: multiboot_uint32_t
vbe_mode*: multiboot_uint16_t
vbe_interface_seg*: multiboot_uint16_t
vbe_interface_off*: multiboot_uint16_t
vbe_interface_len*: multiboot_uint16_t
framebuffer_addr*: multiboot_uint64_t
framebuffer_pitch*: multiboot_uint32_t
framebuffer_width*: multiboot_uint32_t
framebuffer_height*: multiboot_uint32_t
framebuffer_bpp*: multiboot_uint8_t
framebuffer_type*: multiboot_uint8_t
ano_3062667995*: INNER_C_UNION_2305456475
type
multiboot_info_t* = multiboot_info
type
multiboot_color* {.bycopy.} = object
red*: multiboot_uint8_t
green*: multiboot_uint8_t
blue*: multiboot_uint8_t
const
MULTIBOOT_MEMORY_AVAILABLE* = 1
MULTIBOOT_MEMORY_RESERVED* = 2
MULTIBOOT_MEMORY_ACPI_RECLAIMABLE* = 3
MULTIBOOT_MEMORY_NVS* = 4
MULTIBOOT_MEMORY_BADRAM* = 5
type
multiboot_mmap_entry* {.bycopy,packed.} = object
size*: multiboot_uint32_t
`addr`*: multiboot_uint64_t
len*: multiboot_uint64_t
`type`*: multiboot_uint32_t
type
multiboot_memory_map_t* = multiboot_mmap_entry
type
multiboot_mod_list* {.bycopy.} = object
mod_start*: multiboot_uint32_t ## the memory used goes from bytes 'mod_start' to 'mod_end-1' inclusive
mod_end*: multiboot_uint32_t ## Module command line
cmdline*: multiboot_uint32_t ## padding to take it to 16 bytes (must be zero)
pad*: multiboot_uint32_t
type
multiboot_module_t* = multiboot_mod_list
## APM BIOS info.
type
multiboot_apm_info* {.bycopy.} = object
version*: multiboot_uint16_t
cseg*: multiboot_uint16_t
offset*: multiboot_uint32_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*: multiboot_uint16_t
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