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/*
* Copyright (c) 1995-1994 The University of Utah and
* the Computer Systems Laboratory at the University of Utah (CSL).
* All rights reserved.
*
* Permission to use, copy, modify and distribute this software is hereby
* granted provided that (1) source code retains these copyright, permission,
* and disclaimer notices, and (2) redistributions including binaries
* reproduce the notices in supporting documentation, and (3) all advertising
* materials mentioning features or use of this software display the following
* acknowledgement: ``This product includes software developed by the
* Computer Systems Laboratory at the University of Utah.''
*
* THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
* IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
* ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* CSL requests users of this software to return to csl-dist@cs.utah.edu any
* improvements that they make and grant CSL redistribution rights.
*
* Author: Bryan Ford, University of Utah CSL
*/
#ifndef _MACH_I386_MULTIBOOT_H_
#define _MACH_I386_MULTIBOOT_H_
#include <mach/machine/vm_types.h>
/* The entire multiboot_header must be contained
within the first MULTIBOOT_SEARCH bytes of the kernel image. */
#define MULTIBOOT_SEARCH 8192
/* Magic value identifying the multiboot_header. */
#define MULTIBOOT_MAGIC 0x1badb002
/* Features flags for 'flags'.
If a boot loader sees a flag in MULTIBOOT_MUSTKNOW set
and it doesn't understand it, it must fail. */
#define MULTIBOOT_MUSTKNOW 0x0000ffff
/* Align all boot modules on page (4KB) boundaries. */
#define MULTIBOOT_PAGE_ALIGN 0x00000001
/* Must be provided memory information in multiboot_raw_info structure */
#define MULTIBOOT_MEMORY_INFO 0x00000002
/* Use the load address fields above instead of the ones in the a.out header
to figure out what to load where, and what to do afterwards.
This should only be needed for a.out kernel images
(ELF and other formats can generally provide the needed information). */
#define MULTIBOOT_AOUT_KLUDGE 0x00010000
/* The boot loader passes this value in register EAX to signal the kernel
that the multiboot method is being used */
#define MULTIBOOT_VALID 0x2badb002
#define MULTIBOOT_MEMORY 0x00000001
#define MULTIBOOT_BOOT_DEVICE 0x00000002
#define MULTIBOOT_CMDLINE 0x00000004
#define MULTIBOOT_MODS 0x00000008
#define MULTIBOOT_AOUT_SYMS 0x00000010
#define MULTIBOOT_ELF_SHDR 0x00000020
#define MULTIBOOT_MEM_MAP 0x00000040
/* The mods_addr field above contains the physical address of the first
of 'mods_count' multiboot_module structures. */
struct multiboot_module
{
/* Physical start and end addresses of the module data itself. */
vm_offset_t mod_start;
vm_offset_t mod_end;
/* Arbitrary ASCII string associated with the module. */
vm_offset_t string;
/* Boot loader must set to 0; OS must ignore. */
unsigned reserved;
};
#ifdef __x86_64__
/* The mods_addr field above contains the physical address of the first
of 'mods_count' multiboot_module structures. */
struct multiboot32_module
{
/* Physical start and end addresses of the module data itself. */
unsigned mod_start;
unsigned mod_end;
/* Arbitrary ASCII string associated with the module. */
unsigned string;
/* Boot loader must set to 0; OS must ignore. */
unsigned reserved;
};
#endif
/* usable memory "Type", all others are reserved. */
#define MB_ARD_MEMORY 1
/*
* Copyright (c) 2010, 2012 Richard Braun.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* Versions used by the biosmem module.
*/
#include <kern/macros.h>
/*
* Magic number provided by the OS to the boot loader.
*/
#define MULTIBOOT_OS_MAGIC 0x1badb002
/*
* Multiboot flags requesting services from the boot loader.
*/
#define MULTIBOOT_OS_MEMORY_INFO 0x2
#define MULTIBOOT_OS_FLAGS MULTIBOOT_OS_MEMORY_INFO
/*
* Magic number to identify a multiboot compliant boot loader.
*/
#define MULTIBOOT_LOADER_MAGIC 0x2badb002
/*
* Multiboot flags set by the boot loader.
*/
#define MULTIBOOT_LOADER_MEMORY 0x01
#define MULTIBOOT_LOADER_CMDLINE 0x04
#define MULTIBOOT_LOADER_MODULES 0x08
#define MULTIBOOT_LOADER_SHDR 0x20
#define MULTIBOOT_LOADER_MMAP 0x40
/*
* A multiboot module.
*/
struct multiboot_raw_module {
uint32_t mod_start;
uint32_t mod_end;
uint32_t string;
uint32_t reserved;
} __packed;
/*
* Memory map entry.
*/
struct multiboot_raw_mmap_entry {
uint32_t size;
uint64_t base_addr;
uint64_t length;
uint32_t type;
} __packed;
/*
* Multiboot information structure as passed by the boot loader.
*/
struct multiboot_raw_info {
uint32_t flags;
uint32_t mem_lower;
uint32_t mem_upper;
uint32_t unused0;
uint32_t cmdline;
uint32_t mods_count;
uint32_t mods_addr;
uint32_t shdr_num;
uint32_t shdr_size;
uint32_t shdr_addr;
uint32_t shdr_strndx;
uint32_t mmap_length;
uint32_t mmap_addr;
uint32_t unused1[9];
} __packed;
/*
* Versions of the multiboot structures suitable for use with 64-bit pointers.
*/
struct multiboot_os_module {
void *mod_start;
void *mod_end;
char *string;
};
struct multiboot_os_info {
uint32_t flags;
char *cmdline;
struct multiboot_module *mods_addr;
uint32_t mods_count;
};
#endif /* _MACH_I386_MULTIBOOT_H_ */
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