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89 lines
2.1 KiB
89 lines
2.1 KiB
/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2006-10-09 Bernard the grub related definitions
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* (multiboot)
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*/
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#ifndef __GRUB_H__
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#define __GRUB_H__
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/* the magic number for the multiboot header. */
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#define MULTIBOOT_HEADER_MAGIC 0x1BADB002
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/* the flags for the multiboot header. */
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#define MULTIBOOT_HEADER_FLAGS 0x00000003
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/* the magic number passed by a multiboot-compliant boot loader. */
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#define MULTIBOOT_BOOTLOADER_MAGIC 0x2BADB002
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#ifndef __ASM__
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/* the multiboot header. */
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typedef struct multiboot_header
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{
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unsigned long magic;
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unsigned long flags;
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unsigned long checksum;
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unsigned long header_addr;
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unsigned long load_addr;
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unsigned long load_end_addr;
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unsigned long bss_end_addr;
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unsigned long entry_addr;
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} multiboot_header_t;
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/* the section header table for elf. */
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typedef struct elf_section_header_table
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{
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unsigned long num;
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unsigned long size;
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unsigned long addr;
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unsigned long shndx;
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} elf_section_header_table_t;
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/* the multiboot information. */
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typedef struct multiboot_info
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{
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unsigned long flags;
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unsigned long mem_lower;
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unsigned long mem_upper;
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unsigned long boot_device;
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unsigned long cmdline;
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unsigned long mods_count;
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unsigned long mods_addr;
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union
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{
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aout_symbol_table_t aout_sym;
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elf_section_header_table_t elf_sec;
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} u;
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unsigned long mmap_length;
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unsigned long mmap_addr;
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} multiboot_info_t;
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/* the module structure. */
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typedef struct module
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{
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unsigned long mod_start;
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unsigned long mod_end;
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unsigned long string;
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unsigned long reserved;
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} module_t;
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/* the memory map. be careful that the offset 0 is base_addr_low
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but no size. */
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typedef struct memory_map
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{
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unsigned long size;
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unsigned long base_addr_low;
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unsigned long base_addr_high;
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unsigned long length_low;
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unsigned long length_high;
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unsigned long type;
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} memory_map_t;
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#endif
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#endif
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