luxos/Kernel/include/multiboot.h

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/*
* multiboot.h
*
* Created on: Aug 17, 2011
* Author: Tiberiu
*/
#ifndef MULTIBOOT_H_
#define MULTIBOOT_H_
#include <types.h>
// Flags to be set in the 'flags' member of the multiboot info structure.
#define MultibootInfo_MEMORY 0x00000001 // is there basic lower/upper memory information?
#define MultibootInfo_BOOTDEV 0x00000002 // is there a boot device set?
#define MultibootInfo_CMDLINE 0x00000004 // is the command-line defined?
#define MultibootInfo_MODS 0x00000008 // are there modules to do something with?
// These next two are mutually exclusive
#define MultibootInfo_AOUT_SYMS 0x00000010 // is there a symbol table loaded?
#define MultibootInfo_ELF_SHDR 0X00000020 // is there an ELF section header table?
#define MultibootInfo_MEM_MAP 0x00000040 // is there a full memory map?
#define MultibootInfo_DRIVE_INFO 0x00000080 // Is there drive info?
#define MultibootInfo_CONFIG_TABLE 0x00000100 // Is there a config table?
#define MultibootInfo_BOOT_LOADER_NAME 0x00000200 // Is there a boot loader name?
#define MultibootInfo_APM_TABLE 0x00000400 // Is there a APM table?
#define MultibootInfo_VIDEO_INFO 0x00000800 // Is there video information?
// The symbol table for a.out.
typedef struct
{
uint32 TableSize;
uint32 StrSize;
uint32 Address;
uint32 Reserved;
} MultibootAoutSymbolTable;
// The section header table for ELF.
typedef struct
{
uint32 Number;
uint32 Size;
uint32 Address;
uint32 Shndx;
} MultibootElfSectionHeaderTable;
typedef struct
{
uint32 Flags; // Multiboot info version number
uint32 MemoryLower; // Available memory from BIOS
uint32 MemoryUpper;
uint32 BootDevice; // "root" partition
uint32 CommandLine; // Kernel command line
uint32 ModulesCount; // Boot-Module list
uint32 ModulesAddress;
union
{
MultibootAoutSymbolTable AoutSymbols;
MultibootElfSectionHeaderTable ElfSectionHeaderTable;
} Symbols;
uint32 MemoryMapLength; // Memory Mapping buffer
uint32 MemoryMapAddress;
uint32 DrivesLength; // Drive Info buffer
uint32 DrivesAddress;
uint32 ConfigurationTable; // ROM configuration table
uint32 BootLoaderName; // Boot Loader Name
uint32 ApmTable; // APM table
uint32 VbeControlInfo; // Video
uint32 VbeModeInfo;
uint16 VbeMode;
uint16 VbeInterfaceSegment;
uint16 VbeInterfaceOffset;
uint16 VbeInterfaceLength;
} MultibootInfo;
typedef struct
{
uint32 Size;
uint64 Address;
uint64 Length;
#define MULTIBOOT_MEMORY_AVAILABLE 1
#define MULTIBOOT_MEMORY_RESERVED 2
uint32 Type;
} __attribute__((packed)) MultibootMemoryMapEntry;
typedef struct
{
// the memory used goes from bytes 'mod_start' to 'mod_end-1' inclusive
uint32 ModuleStart;
uint32 ModuleEnd;
// Module command line
uint32 CommandLine;
// padding to take it to 16 bytes (must be zero)
uint32 _Padding;
} MultibootModule;
#endif