磁盘与BIOS的功能和中断处理三盘故障数据恢复功能的BIOS磁盘驱动程式_bios_diskbiosdiskbios.h服务中断0x13

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章八

磁盘与BIOS的功能和中断处理三

引言

本章我们将讨论的重要磁盘BIOS的功能和作用等重大用途所给予我们的自由,扰乱我们的节目,并与丙办理,易法与短.这些职能的骨干数据恢复和磁盘故障编程.这些都是使C语言功能"高层次汇编语言".

biosdisk and _bios_disk Functions

这两项功能是最重要的功能,为我所用的数据恢复和磁盘故障编程. 我们会使用这些职能大部分时间.

两者皆BIOS的磁盘驱动器服务,并已确定有biosdiskbios.h运转水平低于原始档案部门.如果连这些功能都用有点缺乏照料,它可破除对档案内容和通讯录硬盘.双方并_bios_diskbiosdisk功能,使用中断0x13发行业务,直接向磁盘的BIOS._bios_disk的功能是在计划申报方式如下:

unsigned _bios_disk(unsigned cmd, struct diskinfo_t *dinfo);

声明为磁盘和BIOS的功能如下:

int biosdisk(int cmd, int drive, int head, int track,
int sector, int nsects, void *buffer);

这些参数的含义已经描述如下表:

Parameter参数

Function功能

What It Is or what it does请问这是什么,或者什么

cmd二氧化锰

Both无论

Indicates the operation to perform such as read, write, verify etc.(See the description of cmd, given next)显示操作表演等书,写核查等(见说明二氧化锰,由于下次)

dinfodinfo

_bios_disk_bios_disk

Points to a diskinfo_t structure that contains the remaining指着一个结构包含剩余diskinfo_t
Parameters required by the operation.(see the description of diskinfo_t structure, given next)参数要求的运行.(见说明diskinfo_t结构,给未来)

drive驱动

biosdiskbiosdisk

Specifies which disk drive is to be used(0 for a:, 1for b: and 0x80 for first physical hard disk, 0x81 for second and so on.)而磁盘驱动器是被指定用于(一0:,皮下注射二:第一、0x80物理硬盘、0x81第二等等).

head
track轨道
sector


biosdiskbiosdisk

These specify the starting sector location from which the这些部门指定的地点出发,从其中
Operation is to be started.可开始运作.

nsects

biosdiskbiosdisk

Number of sectors to read, write, verify etc.一些部门阅读,写字,等等核实

buffer缓冲区

biosdiskbiosdisk

Memory address where data is to be read or written那里是数据存储器地址或予以书面

Sample Chapters from book DATA RECOVERY WITH AND WITHOUT PROGRAMMING by Author Tarun Tyagi
Data Recovery with & without Programming


Publishers of the Book
Number of Pages
ISBN
Price of the Book


BPB Publications, New Delhi, India
540
81-7656-922-4
$69.00 (Including Shipping Charges, Cost of Book and Other expenses, Free Source Code CD included with the Book)





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