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acrn-hypervisor/misc/efi-stub/multiboot.h

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/* [ORIGIN: src/sys/arch/i386/include/... */
/* $NetBSD: multiboot.h,v 1.8 2009/02/22 18:05:42 ahoka Exp $ */
/*-
* Copyright (c) 2005, 2006 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Julio M. Merino Vidal.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* multiboot.h
*/
#ifndef _MULTIBOOT_H
#define _MULTIBOOT_H
#include <stdint.h>
#include <types.h>
struct multiboot_info;
extern struct multiboot_info mbi;
/*
* Multiboot header structure.
*/
#define MULTIBOOT_HEADER_MAGIC 0x1BADB002
#define MULTIBOOT_HEADER_MODS_ALIGNED 0x00000001
#define MULTIBOOT_HEADER_WANT_MEMORY 0x00000002
#define MULTIBOOT_HEADER_HAS_VBE 0x00000004
#define MULTIBOOT_HEADER_HAS_ADDR 0x00010000
#define MULTIBOOT_HEADER_ALIGN 4
#define MULTIBOOT_SEARCH 8192
#if !defined(_LOCORE)
struct multiboot_header {
uint32_t mh_magic;
uint32_t mh_flags;
uint32_t mh_checksum;
/* Valid if mh_flags sets MULTIBOOT_HEADER_HAS_ADDR. */
uint32_t mh_header_addr;
uint32_t mh_load_addr;
uint32_t mh_load_end_addr;
uint32_t mh_bss_end_addr;
uint32_t mh_entry_addr;
/* Valid if mh_flags sets MULTIBOOT_HEADER_HAS_VBE. */
uint32_t mh_mode_type;
uint32_t mh_width;
uint32_t mh_height;
uint32_t mh_depth;
};
#endif /* !defined(_LOCORE) */
/*
* Symbols defined in locore.S.
*/
extern struct multiboot_header *Multiboot_Header;
/*
* Multiboot information structure.
*/
#define MULTIBOOT_INFO_MAGIC 0x2BADB002U
#define MULTIBOOT_INFO_HAS_MEMORY 0x00000001U
#define MULTIBOOT_INFO_HAS_BOOT_DEVICE 0x00000002U
#define MULTIBOOT_INFO_HAS_CMDLINE 0x00000004U
#define MULTIBOOT_INFO_HAS_MODS 0x00000008U
#define MULTIBOOT_INFO_HAS_AOUT_SYMS 0x00000010U
#define MULTIBOOT_INFO_HAS_ELF_SYMS 0x00000020U
#define MULTIBOOT_INFO_HAS_MMAP 0x00000040U
#define MULTIBOOT_INFO_HAS_DRIVES 0x00000080U
#define MULTIBOOT_INFO_HAS_CONFIG_TABLE 0x00000100U
#define MULTIBOOT_INFO_HAS_LOADER_NAME 0x00000200U
#define MULTIBOOT_INFO_HAS_APM_TABLE 0x00000400U
#define MULTIBOOT_INFO_HAS_VBE 0x00000800U
#if !defined(_LOCORE)
struct multiboot_info {
uint32_t mi_flags;
/* Valid if mi_flags sets MULTIBOOT_INFO_HAS_MEMORY. */
uint32_t mi_mem_lower;
uint32_t mi_mem_upper;
/* Valid if mi_flags sets MULTIBOOT_INFO_HAS_BOOT_DEVICE. */
uint8_t mi_boot_device_part3;
uint8_t mi_boot_device_part2;
uint8_t mi_boot_device_part1;
uint8_t mi_boot_device_drive;
/* Valid if mi_flags sets MULTIBOOT_INFO_HAS_CMDLINE. */
uint32_t mi_cmdline;
/* Valid if mi_flags sets MULTIBOOT_INFO_HAS_MODS. */
uint32_t mi_mods_count;
uint32_t mi_mods_addr;
/* Valid if mi_flags sets MULTIBOOT_INFO_HAS_{AOUT,ELF}_SYMS. */
uint32_t mi_elfshdr_num;
uint32_t mi_elfshdr_size;
uint32_t mi_elfshdr_addr;
uint32_t mi_elfshdr_shndx;
/* Valid if mi_flags sets MULTIBOOT_INFO_HAS_MMAP. */
uint32_t mi_mmap_length;
uint32_t mi_mmap_addr;
/* Valid if mi_flags sets MULTIBOOT_INFO_HAS_DRIVES. */
uint32_t mi_drives_length;
uint32_t mi_drives_addr;
/* Valid if mi_flags sets MULTIBOOT_INFO_HAS_CONFIG_TABLE. */
uint32_t unused_mi_config_table;
/* Valid if mi_flags sets MULTIBOOT_INFO_HAS_LOADER_NAME. */
uint32_t mi_loader_name;
/* Valid if mi_flags sets MULTIBOOT_INFO_HAS_APM. */
uint32_t unused_mi_apm_table;
/* Valid if mi_flags sets MULTIBOOT_INFO_HAS_VBE. */
uint32_t unused_mi_vbe_control_info;
uint32_t unused_mi_vbe_mode_info;
uint32_t unused_mi_vbe_interface_seg;
uint32_t unused_mi_vbe_interface_off;
uint32_t unused_mi_vbe_interface_len;
}__aligned(8);
/*
* Memory mapping. This describes an entry in the memory mappings table
* as pointed to by mi_mmap_addr.
*
* Be aware that mm_size specifies the size of all other fields *except*
* for mm_size. In order to jump between two different entries, you
* have to count mm_size + 4 bytes.
*/
struct __attribute__((packed)) multiboot_mmap {
uint32_t mm_size;
uint64_t mm_base_addr;
uint64_t mm_length;
uint32_t mm_type;
};
/*
* Modules. This describes an entry in the modules table as pointed
* to by mi_mods_addr.
*/
struct multiboot_module {
uint32_t mmo_start;
uint32_t mmo_end;
uint32_t mmo_string;
uint32_t mmo_reserved;
} __packed;
#endif /* !defined(_LOCORE) */
struct multiboot2_header
{
uint32_t magic;
uint32_t architecture;
uint32_t header_length;
uint32_t checksum;
};
#define MULTIBOOT2_SEARCH 32768
#define MULTIBOOT2_HEADER_ALIGN 8
#define MULTIBOOT2_HEADER_MAGIC 0xe85250d6U
/* This should be in %eax. */
#define MULTIBOOT2_INFO_MAGIC 0x36d76289U
/* Alignment of the multiboot info structure. */
#define MULTIBOOT2_INFO_ALIGN 0x00000008U
/* Flags set in the 'flags' member of the multiboot header. */
#define MULTIBOOT2_TAG_ALIGN 8U
#define MULTIBOOT2_TAG_TYPE_END 0U
#define MULTIBOOT2_TAG_TYPE_CMDLINE 1U
#define MULTIBOOT2_TAG_TYPE_BOOT_LOADER_NAME 2U
#define MULTIBOOT2_TAG_TYPE_MODULE 3U
#define MULTIBOOT2_TAG_TYPE_BASIC_MEMINFO 4U
#define MULTIBOOT2_TAG_TYPE_BOOTDEV 5U
#define MULTIBOOT2_TAG_TYPE_MMAP 6U
#define MULTIBOOT2_TAG_TYPE_VBE 7U
#define MULTIBOOT2_TAG_TYPE_FRAMEBUFFER 8U
#define MULTIBOOT2_TAG_TYPE_ELF_SECTIONS 9U
#define MULTIBOOT2_TAG_TYPE_APM 10U
#define MULTIBOOT2_TAG_TYPE_EFI32 11U
#define MULTIBOOT2_TAG_TYPE_EFI64 12U
#define MULTIBOOT2_TAG_TYPE_SMBIOS 13U
#define MULTIBOOT2_TAG_TYPE_ACPI_OLD 14U
#define MULTIBOOT2_TAG_TYPE_ACPI_NEW 15U
#define MULTIBOOT2_TAG_TYPE_NETWORK 16U
#define MULTIBOOT2_TAG_TYPE_EFI_MMAP 17U
#define MULTIBOOT2_TAG_TYPE_EFI_BS 18U
#define MULTIBOOT2_TAG_TYPE_EFI32_IH 19U
#define MULTIBOOT2_TAG_TYPE_EFI64_IH 20U
#define MULTIBOOT2_TAG_TYPE_LOAD_BASE_ADDR 21U
#define MULTIBOOT2_HEADER_TAG_END 0
#define MULTIBOOT2_HEADER_TAG_INFORMATION_REQUEST 1
#define MULTIBOOT2_HEADER_TAG_ADDRESS 2
#define MULTIBOOT2_HEADER_TAG_ENTRY_ADDRESS 3
#define MULTIBOOT2_HEADER_TAG_CONSOLE_FLAGS 4
#define MULTIBOOT2_HEADER_TAG_FRAMEBUFFER 5
#define MULTIBOOT2_HEADER_TAG_MODULE_ALIGN 6
#define MULTIBOOT2_HEADER_TAG_EFI_BS 7
#define MULTIBOOT2_HEADER_TAG_ENTRY_ADDRESS_EFI32 8
#define MULTIBOOT2_HEADER_TAG_ENTRY_ADDRESS_EFI64 9
#define MULTIBOOT2_HEADER_TAG_RELOCATABLE 10
#define MULTIBOOT2_HEADER_TAG_OPTIONAL 1
#define MULTIBOOT2_ARCHITECTURE_I386 0
#ifndef ASSEMBLER
struct multiboot2_header_tag
{
uint16_t type;
uint16_t flags;
uint32_t size;
};
struct multiboot2_header_tag_information_request
{
uint16_t type;
uint16_t flags;
uint32_t size;
uint32_t requests[0];
};
struct multiboot2_header_tag_address
{
uint16_t type;
uint16_t flags;
uint32_t size;
uint32_t header_addr;
uint32_t load_addr;
uint32_t load_end_addr;
uint32_t bss_end_addr;
};
struct multiboot2_header_tag_entry_address
{
uint16_t type;
uint16_t flags;
uint32_t size;
uint32_t entry_addr;
};
struct multiboot2_header_tag_console_flags
{
uint16_t type;
uint16_t flags;
uint32_t size;
uint32_t console_flags;
};
struct multiboot2_header_tag_framebuffer
{
uint16_t type;
uint16_t flags;
uint32_t size;
uint32_t width;
uint32_t height;
uint32_t depth;
};
struct multiboot2_header_tag_module_align
{
uint16_t type;
uint16_t flags;
uint32_t size;
};
struct multiboot2_header_tag_relocatable
{
uint16_t type;
uint16_t flags;
uint32_t size;
uint32_t min_addr;
uint32_t max_addr;
uint32_t align;
uint32_t preference;
};
struct multiboot2_mmap_entry
{
uint64_t addr;
uint64_t len;
uint32_t type;
uint32_t zero;
};
struct multiboot2_tag
{
uint32_t type;
uint32_t size;
};
struct multiboot2_tag_string
{
uint32_t type;
uint32_t size;
char string[0];
};
struct multiboot2_tag_module
{
uint32_t type;
uint32_t size;
uint32_t mod_start;
uint32_t mod_end;
char cmdline[0];
};
struct multiboot2_tag_mmap
{
uint32_t type;
uint32_t size;
uint32_t entry_size;
uint32_t entry_version;
struct multiboot2_mmap_entry entries[0];
};
struct multiboot2_tag_new_acpi
{
uint32_t type;
uint32_t size;
uint8_t rsdp[0];
};
struct multiboot2_tag_efi64
{
uint32_t type;
uint32_t size;
uint64_t pointer;
};
struct multiboot2_tag_efi_mmap {
uint32_t type;
uint32_t size;
uint32_t descr_size;
uint32_t descr_vers;
uint8_t efi_mmap[0];
};
#endif
struct hv_mb2header_tag_list {
struct multiboot2_header_tag_information_request *info_req;
struct multiboot2_header_tag_address *addr;
struct multiboot2_header_tag_entry_address *entry;
struct multiboot2_header_tag_console_flags *console_flags;
struct multiboot2_header_tag_framebuffer *frbuf;
struct multiboot2_header_tag_module_align *modalign;
struct multiboot2_header_tag_relocatable *reloc;
};
const struct multiboot_header *find_mb1header(const UINT8 *buffer, uint64_t len);
const struct multiboot2_header *find_mb2header(const UINT8 *buffer, uint64_t len);
int parse_mb2header(const struct multiboot2_header *header, struct hv_mb2header_tag_list *hv_tags);
#endif /* _MULTIBOOT_H */
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