f14fb60209
* Updating common/lib * Updating lib/csu * Updating lib/libc * Updating libexec/ld.elf_so * Corrected test on __minix in featuretest to actually follow the meaning of the comment. * Cleaned up _REENTRANT-related defintions. * Disabled -D_REENTRANT for libfetch * Removing some unneeded __NBSD_LIBC defines and tests Change-Id: Ic1394baef74d11b9f86b312f5ff4bbc3cbf72ce2
351 lines
9.8 KiB
C
351 lines
9.8 KiB
C
/* $NetBSD: multiboot.h,v 1.8 2009/02/22 18:05:42 ahoka Exp $ */
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/*-
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* Copyright (c) 2005, 2006 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Julio M. Merino Vidal.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __MULTIBOOT_H__
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#define __MULTIBOOT_H__
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#if !defined(_KERNEL) && defined(_STANDALONE)
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/* --------------------------------------------------------------------- */
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/*
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* Multiboot header structure.
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*/
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#define MULTIBOOT_HEADER_MAGIC 0x1BADB002
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#define MULTIBOOT_HEADER_MODS_ALIGNED 0x00000001
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#define MULTIBOOT_HEADER_WANT_MEMORY 0x00000002
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#define MULTIBOOT_HEADER_HAS_VBE 0x00000004
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#define MULTIBOOT_HEADER_HAS_ADDR 0x00010000
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#if !defined(_LOCORE)
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struct multiboot_header {
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uint32_t mh_magic;
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uint32_t mh_flags;
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uint32_t mh_checksum;
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/* Valid if mh_flags sets MULTIBOOT_HEADER_HAS_ADDR. */
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paddr_t mh_header_addr;
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paddr_t mh_load_addr;
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paddr_t mh_load_end_addr;
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paddr_t mh_bss_end_addr;
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paddr_t mh_entry_addr;
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/* Valid if mh_flags sets MULTIBOOT_HEADER_HAS_VBE. */
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uint32_t mh_mode_type;
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uint32_t mh_width;
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uint32_t mh_height;
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uint32_t mh_depth;
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};
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#endif /* !defined(_LOCORE) */
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/*
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* Symbols defined in locore.S.
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*/
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#if !defined(_LOCORE) && defined(_KERNEL)
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extern struct multiboot_header *Multiboot_Header;
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#endif /* !defined(_LOCORE) && defined(_KERNEL) */
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/* --------------------------------------------------------------------- */
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/*
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* Multiboot information structure.
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*/
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#define MULTIBOOT_INFO_MAGIC 0x2BADB002
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#define MULTIBOOT_INFO_HAS_MEMORY 0x00000001
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#define MULTIBOOT_INFO_HAS_BOOT_DEVICE 0x00000002
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#define MULTIBOOT_INFO_HAS_CMDLINE 0x00000004
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#define MULTIBOOT_INFO_HAS_MODS 0x00000008
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#define MULTIBOOT_INFO_HAS_AOUT_SYMS 0x00000010
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#define MULTIBOOT_INFO_HAS_ELF_SYMS 0x00000020
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#define MULTIBOOT_INFO_HAS_MMAP 0x00000040
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#define MULTIBOOT_INFO_HAS_DRIVES 0x00000080
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#define MULTIBOOT_INFO_HAS_CONFIG_TABLE 0x00000100
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#define MULTIBOOT_INFO_HAS_LOADER_NAME 0x00000200
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#define MULTIBOOT_INFO_HAS_APM_TABLE 0x00000400
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#define MULTIBOOT_INFO_HAS_VBE 0x00000800
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#if !defined(_LOCORE)
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struct multiboot_info {
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uint32_t mi_flags;
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/* Valid if mi_flags sets MULTIBOOT_INFO_HAS_MEMORY. */
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uint32_t mi_mem_lower;
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uint32_t mi_mem_upper;
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/* Valid if mi_flags sets MULTIBOOT_INFO_HAS_BOOT_DEVICE. */
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uint8_t mi_boot_device_part3;
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uint8_t mi_boot_device_part2;
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uint8_t mi_boot_device_part1;
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uint8_t mi_boot_device_drive;
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/* Valid if mi_flags sets MULTIBOOT_INFO_HAS_CMDLINE. */
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char * mi_cmdline;
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/* Valid if mi_flags sets MULTIBOOT_INFO_HAS_MODS. */
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uint32_t mi_mods_count;
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vaddr_t mi_mods_addr;
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/* Valid if mi_flags sets MULTIBOOT_INFO_HAS_{AOUT,ELF}_SYMS. */
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uint32_t mi_elfshdr_num;
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uint32_t mi_elfshdr_size;
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vaddr_t mi_elfshdr_addr;
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uint32_t mi_elfshdr_shndx;
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/* Valid if mi_flags sets MULTIBOOT_INFO_HAS_MMAP. */
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uint32_t mi_mmap_length;
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vaddr_t mi_mmap_addr;
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/* Valid if mi_flags sets MULTIBOOT_INFO_HAS_DRIVES. */
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uint32_t mi_drives_length;
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vaddr_t mi_drives_addr;
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/* Valid if mi_flags sets MULTIBOOT_INFO_HAS_CONFIG_TABLE. */
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void * unused_mi_config_table;
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/* Valid if mi_flags sets MULTIBOOT_INFO_HAS_LOADER_NAME. */
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char * mi_loader_name;
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/* Valid if mi_flags sets MULTIBOOT_INFO_HAS_APM. */
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void * unused_mi_apm_table;
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/* Valid if mi_flags sets MULTIBOOT_INFO_HAS_VBE. */
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void * unused_mi_vbe_control_info;
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void * unused_mi_vbe_mode_info;
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paddr_t unused_mi_vbe_interface_seg;
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paddr_t unused_mi_vbe_interface_off;
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uint32_t unused_mi_vbe_interface_len;
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};
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/* --------------------------------------------------------------------- */
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/*
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* Drive information. This describes an entry in the drives table as
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* pointed to by mi_drives_addr.
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*/
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struct multiboot_drive {
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uint32_t md_length;
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uint8_t md_number;
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uint8_t md_mode;
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uint16_t md_cylinders;
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uint8_t md_heads;
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uint8_t md_sectors;
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/* The variable-sized 'ports' field comes here, so this structure
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* can be longer. */
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};
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/* --------------------------------------------------------------------- */
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/*
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* Memory mapping. This describes an entry in the memory mappings table
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* as pointed to by mi_mmap_addr.
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*
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* Be aware that mm_size specifies the size of all other fields *except*
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* for mm_size. In order to jump between two different entries, you
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* have to count mm_size + 4 bytes.
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*/
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struct multiboot_mmap {
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uint32_t mm_size;
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uint64_t mm_base_addr;
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uint64_t mm_length;
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uint32_t mm_type;
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};
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/*
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* Modules. This describes an entry in the modules table as pointed
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* to by mi_mods_addr.
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*/
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struct multiboot_module {
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uint32_t mmo_start;
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uint32_t mmo_end;
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char * mmo_string;
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uint32_t mmo_reserved;
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};
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#endif /* !defined(_LOCORE) */
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/* --------------------------------------------------------------------- */
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/*
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* Prototypes for public functions defined in multiboot.c.
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*/
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#if !defined(_LOCORE) && defined(_KERNEL)
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void multiboot_pre_reloc(struct multiboot_info *);
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void multiboot_post_reloc(void);
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void multiboot_print_info(void);
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bool multiboot_ksyms_addsyms_elf(void);
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#endif /* !defined(_LOCORE) */
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/* --------------------------------------------------------------------- */
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#else /* !defined(_KERNEL) && defined(_STANDALONE) */
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/* LSC FIXME: OLD MINIX DEFINITION: should be removed and replace with
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definition above... */
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#define MULTIBOOT_HEADER_MAGIC 0x1BADB002
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#define MULTIBOOT_BOOTLOADER_MAGIC 0x2BADB002
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/* Must pass memory information to OS. */
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#define MULTIBOOT_PAGE_ALIGN 0x00000001
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#define MULTIBOOT_MEMORY_INFO 0x00000002
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#define MULTIBOOT_VIDEO_MODE 0x00000004
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#define MULTIBOOT_AOUT_KLUDGE 0x00010000
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/* consts used for Multiboot pre-init */
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#define MULTIBOOT_VIDEO_MODE_EGA 1
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#define MULTIBOOT_VIDEO_BUFFER 0xB8000
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/* Usable lower memory chunk has a upper bound */
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#define MULTIBOOT_LOWER_MEM_MAX 0x7f800
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#define MULTIBOOT_CONSOLE_LINES 25
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#define MULTIBOOT_CONSOLE_COLS 80
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#define MULTIBOOT_VIDEO_BUFFER_BYTES \
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(MULTIBOOT_CONSOLE_LINES*MULTIBOOT_CONSOLE_COLS*2)
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#define MULTIBOOT_STACK_SIZE 4096
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#define MULTIBOOT_PARAM_BUF_SIZE 1024
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#define MULTIBOOT_MAX_MODS 20
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/* Flags to be set in the ’flags’ member of the multiboot info structure. */
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#define MULTIBOOT_INFO_MEMORY 0x00000001
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#define MULTIBOOT_INFO_MEM_MAP 0x00000040
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/* Is there a boot device set? */
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#define MULTIBOOT_INFO_BOOTDEV 0x00000002
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/* Is the command-line defined? */
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#define MULTIBOOT_INFO_CMDLINE 0x00000004
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/* Are there modules to do something with? */
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#define MULTIBOOT_INFO_MODS 0x00000008
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#define MULTIBOOT_HIGH_MEM_BASE 0x100000
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#ifndef __ASSEMBLY__
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#include <sys/types.h>
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/* The symbol table for a.out. */
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struct multiboot_aout_symbol_table
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{
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u32_t tabsize;
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u32_t strsize;
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u32_t addr;
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u32_t reserved;
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};
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/* The section header table for ELF. */
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struct multiboot_elf_section_header_table
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{
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u32_t num;
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u32_t size;
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u32_t addr;
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u32_t shndx;
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};
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typedef struct multiboot_elf_section_header_table multiboot_elf_section_header_table_t;
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typedef struct multiboot_aout_symbol_table multiboot_aout_symbol_table_t;
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struct multiboot_info
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{
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/* Multiboot info version number */
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u32_t flags;
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/* Available memory from BIOS */
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u32_t mem_lower_unused; /* minix uses memmap instead */
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u32_t mem_upper_unused;
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/* "root" partition */
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u32_t boot_device;
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/* Kernel command line */
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u32_t cmdline;
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/* Boot-Module list */
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u32_t mods_count;
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u32_t mods_addr;
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union
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{
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multiboot_aout_symbol_table_t aout_sym;
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multiboot_elf_section_header_table_t elf_sec;
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} u;
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/* Memory Mapping buffer */
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u32_t mmap_length;
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u32_t mmap_addr;
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/* Drive Info buffer */
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u32_t drives_length;
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u32_t drives_addr;
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/* ROM configuration table */
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u32_t config_table;
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/* Boot Loader Name */
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u32_t boot_loader_name;
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/* APM table */
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u32_t apm_table;
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/* Video */
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u32_t vbe_control_info;
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u32_t vbe_mode_info;
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u16_t vbe_mode;
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u16_t vbe_interface_seg;
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u16_t vbe_interface_off;
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u16_t vbe_interface_len;
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};
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typedef struct multiboot_info multiboot_info_t;
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struct multiboot_mod_list
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{
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/* Memory used goes from bytes 'mod_start' to 'mod_end-1' inclusive */
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u32_t mod_start;
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u32_t mod_end;
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/* Module command line */
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u32_t cmdline;
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/* Pad struct to 16 bytes (must be zero) */
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u32_t pad;
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};
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typedef struct multiboot_mod_list multiboot_module_t;
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#define MULTIBOOT_MEMORY_AVAILABLE 1
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#define MULTIBOOT_MEMORY_RESERVED 2
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struct multiboot_mmap_entry
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{
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u32_t size;
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u64_t addr;
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u64_t len;
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#define MULTIBOOT_MEMORY_AVAILABLE 1
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#define MULTIBOOT_MEMORY_RESERVED 2
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u32_t type;
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} __attribute__((packed));
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typedef struct multiboot_mmap_entry multiboot_memory_map_t;
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#endif /* __ASSEMBLY__ */
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#endif /* !defined(_KERNEL) && defined(_STANDALONE) */
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#endif /* __MULTIBOOT_H__ */
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