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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _MULTIBOOT_H
#define _MULTIBOOT_H
#ifdef __cplusplus
extern "C" {
#endif
/*
* Definitions of structures/data for using a multiboot compliant OS loader.
*/
#define MB_HEADER_MAGIC 0x1BADB002 /* magic */
/* The 32-bit kernel does not require the use of the AOUT kludge */
#define MB_HEADER_FLAGS_32 0x00000003 /* flags we use */
#define MB_HEADER_CHECKSUM_32 -0x1BADB005 /* -(magic + flag) */
#define MB_HEADER_FLAGS_64 0x00010003 /* flags we use */
#define MB_HEADER_CHECKSUM_64 -0x1BAEB005 /* -(magic + flag) */
/*
* passed by boot loader to kernel
*/
#define MB_BOOTLOADER_MAGIC 0x2BADB002
#ifndef _ASM /* excluded from assembly routines */
#include <sys/types.h>
#include <sys/types32.h>
/*
* The Multiboot header must be somewhere in the 1st 8K of the image that
* the loader loads into memory.
*/
typedef struct multiboot_header {
uint32_t magic;
uint32_t flags;
uint32_t checksum;
caddr32_t header_addr; /* use as (mutliboot_header_t *) */
caddr32_t load_addr;
caddr32_t load_end_addr;
caddr32_t bss_end_addr;
caddr32_t entry_addr;
} multiboot_header_t;
/* The section header table for ELF. */
typedef struct mb_elf_shtable {
uint32_t num;
uint32_t size;
uint32_t addr;
uint32_t shndx;
} mb_elf_shtable_t;
/* The module structure. */
typedef struct mb_module {
caddr32_t mod_start;
caddr32_t mod_end;
caddr32_t mod_name; /* use as (char *) */
uint32_t reserved;
} mb_module_t;
/*
* Memory map data structure. Walked in a bizarre way - see mutltiboot
* documentation for example.
*/
typedef struct mb_memory_map {
uint32_t size;
uint32_t base_addr_low;
uint32_t base_addr_high;
uint32_t length_low;
uint32_t length_high;
uint32_t type; /* only value of 1 is RAM */
} mb_memory_map_t;
/* Drive Info structure. */
typedef struct mb_drive_info {
uint32_t size; /* The size of this structure */
uint8_t drive_number; /* The BIOS drive number */
uint8_t drive_mode; /* The access mode (see below) */
uint16_t drive_cylinders; /* The BIOS geometry */
uint8_t drive_heads;
uint8_t drive_sectors;
/* The array of I/O ports used for the drive. */
uint16_t drive_ports[1];
} mb_drive_info_t;
/* Drive Mode. */
#define MB_DI_CHS_MODE 0
#define MB_DI_LBA_MODE 1
/*
* The Multiboot information. This is supplied by the multiboot loader
* for the OS.
*
* The flag bit fields defined what multiboot info the boot
* loader (see struct multiboot_info below) supplied:
*/
/* flag[0] mem_upper, mem_loader */
#define MB_INFO_MEMORY 0x00000001
/* flag[1] boot_device */
#define MB_INFO_BOOTDEV 0x00000002
/* flag[2] cmdline (for launching kernel) */
#define MB_INFO_CMDLINE 0x00000004
/* flag[3] mods_count, mods_addr */
#define MB_INFO_MODS 0x00000008
/* flag[4] symbol table for a.out */
#define MB_INFO_AOUT_SYMS 0x00000010
/* flag[5] symbol table for elf */
#define MB_INFO_ELF_SHDR 0x00000020
/* flag[6] mmap_length, mmap_addr */
#define MB_INFO_MEM_MAP 0x00000040
/* flag[7] drives_length, drivers_addr */
#define MB_INFO_DRIVE_INFO 0x00000080
/* flag[8] config_table */
#define MB_INFO_CONFIG_TABLE 0x00000100
/* flag[9] boot_loader_name */
#define MB_INFO_BOOT_LOADER_NAME 0x00000200
/* flag[10] apm_table */
#define MB_INFO_APM_TABLE 0x00000400
/*
* flag[11] vbe_control_info
* vbe_mode_info
* vbe_mode
* vbe_interface_seg
* vbe_interface_off
* vbe_interface_len
*/
#define MB_INFO_VIDEO_INFO 0x00000800
typedef struct multiboot_info {
uint32_t flags;
uint32_t mem_lower; /* # of pages below 1Meg */
uint32_t mem_upper; /* # of pages above 1Meg */
uint32_t boot_device;
caddr32_t cmdline; /* use as (char *) */
uint32_t mods_count;
caddr32_t mods_addr; /* use as (mb_module_t *) */
mb_elf_shtable_t elf_sec;
uint32_t mmap_length;
caddr32_t mmap_addr; /* use as (mb_memory_map_t *) */
uint32_t drives_length;
caddr32_t drives_addr;
caddr32_t config_table;
caddr32_t boot_loader_name;
caddr32_t apm_table;
uint32_t vbe_control_info;
uint32_t vbe_mode_info;
uint16_t vbe_mode;
uint16_t vbe_interface_seg;
uint16_t vbe_interface_off;
uint16_t vbe_interface_len;
} multiboot_info_t;
/*
* netinfo for Solaris diskless booting
* XXX - not part of multiboot spec
*/
struct sol_netinfo {
uint8_t sn_infotype;
uint8_t sn_mactype;
uint8_t sn_maclen;
uint8_t sn_padding;
uint32_t sn_ciaddr;
uint32_t sn_siaddr;
uint32_t sn_giaddr;
uint32_t sn_netmask;
uint8_t sn_macaddr[1];
};
/* identify bootp/dhcp reply or rarp/ifconfig */
#define SN_TYPE_BOOTP 2
#define SN_TYPE_RARP 0xf0
#endif /* _ASM */
#ifdef __cplusplus
}
#endif
#endif /* _MULTIBOOT_H */
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