/* * 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 */
