93 lines
2.7 KiB
C
93 lines
2.7 KiB
C
/*
|
|
* Copyright (C) 2018 Intel Corporation. All rights reserved.
|
|
*
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*/
|
|
|
|
#ifndef MULTIBOOT_H
|
|
#define MULTIBOOT_H
|
|
|
|
#include <types.h>
|
|
#define MULTIBOOT_INFO_MAGIC 0x2BADB002U
|
|
#define MULTIBOOT_INFO_HAS_CMDLINE 0x00000004U
|
|
#define MULTIBOOT_INFO_HAS_MODS 0x00000008U
|
|
#define MULTIBOOT_INFO_HAS_MMAP 0x00000040U
|
|
#define MULTIBOOT_INFO_HAS_DRIVES 0x00000080U
|
|
#define MULTIBOOT_INFO_HAS_LOADER_NAME 0x00000200U
|
|
|
|
/* maximum lengt of the guest OS' command line parameter string */
|
|
#define MAX_BOOTARGS_SIZE 2048U
|
|
|
|
struct acrn_vm;
|
|
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;
|
|
};
|
|
|
|
struct multiboot_mmap {
|
|
uint32_t size;
|
|
uint64_t baseaddr;
|
|
uint64_t length;
|
|
uint32_t type;
|
|
} __packed;
|
|
|
|
struct multiboot_module {
|
|
uint32_t mm_mod_start;
|
|
uint32_t mm_mod_end;
|
|
uint32_t mm_string;
|
|
uint32_t mm_reserved;
|
|
};
|
|
|
|
int32_t parse_hv_cmdline(void);
|
|
int32_t init_vm_boot_info(struct acrn_vm *vm);
|
|
|
|
/* boot_regs store the multiboot header address */
|
|
extern uint32_t boot_regs[2];
|
|
#endif
|