92 lines
2.7 KiB
C
92 lines
2.7 KiB
C
/*
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* NTFS bootsector, adapted from the vfat one.
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*/
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/* mkfs.fat.c - utility to create FAT/MS-DOS filesystems
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* Copyright (C) 1991 Linus Torvalds <torvalds@klaava.helsinki.fi>
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* Copyright (C) 1992-1993 Remy Card <card@masi.ibp.fr>
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* Copyright (C) 1993-1994 David Hudson <dave@humbug.demon.co.uk>
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* Copyright (C) 1998 H. Peter Anvin <hpa@zytor.com>
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* Copyright (C) 1998-2005 Roman Hodek <Roman.Hodek@informatik.uni-erlangen.de>
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* Copyright (C) 2008-2014 Daniel Baumann <mail@daniel-baumann.ch>
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* Copyright (C) 2015 Andreas Bombe <aeb@debian.org>
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*
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* The "boot code" is in the public domain.
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*/
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#include "boot.h"
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#define BOOTCODE_SIZE 4136
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/* The "boot code" we put into the filesystem... it writes a message and
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tells the user to try again. This "boot code" is in the public domain. */
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#define MSG_OFFSET_OFFSET 3
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const unsigned char boot_array[BOOTCODE_SIZE] =
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"\xeb\x52\x90" /* jump to code at 0x54 (0x7c54) */
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"NTFS \0" /* NTFS signature */
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"\0\0\0\0\0\0\0\0\0\0\0\0" /* 72 bytes for device parameters */
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"\0\0\0\0\0\0\0\0\0\0\0\0"
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"\0\0\0\0\0\0\0\0\0\0\0\0"
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"\0\0\0\0\0\0\0\0\0\0\0\0"
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"\0\0\0\0\0\0\0\0\0\0\0\0"
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"\0\0\0\0\0\0\0\0\0\0\0\0"
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/* Boot code run at location 0x7c54 */
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"\x0e" /* push cs */
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"\x1f" /* pop ds */
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"\xbe\x71\x7c" /* mov si, offset message_txt (at location 0x7c71) */
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/* write_msg: */
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"\xac" /* lodsb */
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"\x22\xc0" /* and al, al */
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"\x74\x0b" /* jz key_press */
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"\x56" /* push si */
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"\xb4\x0e" /* mov ah, 0eh */
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"\xbb\x07\x00" /* mov bx, 0007h */
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"\xcd\x10" /* int 10h */
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"\x5e" /* pop si */
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"\xeb\xf0" /* jmp write_msg */
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/* key_press: */
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"\x32\xe4" /* xor ah, ah */
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"\xcd\x16" /* int 16h */
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"\xcd\x19" /* int 19h */
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"\xeb\xfe" /* foo: jmp foo */
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/* message_txt: */
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"This is not a bootable disk. Please insert a bootable floppy and\r\n"
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"press any key to try again ... \r\n"
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/* At location 0xd4, 298 bytes to reach 0x1fe */
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/* 298 = 4 blocks of 72 then 10 */
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"\0\0\0\0\0\0\0\0\0\0\0\0"
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"\0\0\0\0\0\0\0\0\0\0\0\0"
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"\0\0\0\0\0\0\0\0\0\0\0\0"
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"\0\0\0\0\0\0\0\0\0\0\0\0"
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"\0\0\0\0\0\0\0\0\0\0\0\0"
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"\0\0\0\0\0\0\0\0\0\0\0\0"
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"\0\0\0\0\0\0\0\0\0\0\0\0"
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"\0\0\0\0\0\0\0\0\0\0\0\0"
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"\0\0\0\0\0\0\0\0\0\0\0\0"
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"\0\0\0\0\0\0\0\0\0\0\0\0"
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"\0\0\0\0\0\0\0\0\0\0\0\0"
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"\0\0\0\0\0\0\0\0\0\0\0\0"
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"\0\0\0\0\0\0\0\0\0\0\0\0"
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"\0\0\0\0\0\0\0\0\0\0\0\0"
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"\0\0\0\0\0\0\0\0\0\0\0\0"
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"\0\0\0\0\0\0\0\0\0\0\0\0"
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"\0\0\0\0\0\0\0\0\0\0\0\0"
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"\0\0\0\0\0\0\0\0\0\0\0\0"
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"\0\0\0\0\0\0\0\0\0\0\0\0"
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"\0\0\0\0\0\0\0\0\0\0\0\0"
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"\0\0\0\0\0\0\0\0\0\0\0\0"
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"\0\0\0\0\0\0\0\0\0\0\0\0"
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"\0\0\0\0\0\0\0\0\0\0\0\0"
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"\0\0\0\0\0\0\0\0\0\0\0\0"
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"\0\0\0\0\0\0\0\0\0\0"
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/* Boot signature at 0x1fe */
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"\x55\xaa";
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