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45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
/**
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* @file MBR.h
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* @author fslongjin (longjin@RinGoTek.cn)
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* @brief MBR分区表
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* @version 0.1
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* @date 2022-04-19
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*
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* @copyright Copyright (c) 2022
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*
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*/
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#pragma once
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#include <common/glib.h>
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/**
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* @brief MBR硬盘分区表项的结构
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*
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*/
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struct MBR_disk_partition_table_entry_t
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{
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uint8_t flags; // 引导标志符，标记此分区为活动分区
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uint8_t starting_head; // 起始磁头号
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uint16_t starting_sector : 6, // 起始扇区号
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starting_cylinder : 10; // 起始柱面号
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uint8_t type; // 分区类型ID
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uint8_t ending_head; // 结束磁头号
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uint16_t ending_sector:6, // 结束扇区号
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ending_cylinder:10; // 结束柱面号
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uint32_t starting_LBA; // 起始逻辑扇区
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uint32_t total_sectors; // 分区占用的磁盘扇区数
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}__attribute__((packed));
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/**
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* @brief MBR磁盘分区表结构体
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*
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*/
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struct MBR_disk_partition_table_t
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{
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uint8_t reserved[446];
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struct MBR_disk_partition_table_entry_t DPTE[4]; // 磁盘分区表项
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uint16_t BS_TrailSig;
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}__attribute__((packed));
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