дÕâÆª¸ÃËÀ¶«Î÷¸ù±¾Ëã²»ÉϽ̳Ì,Ö»ÊÇGFHÒª,Ö»ºÃдһÏÂÁË.Èç¹ûÏÐÀϵôÑÀ£¬¸Ï¿ìÍ˳ö£¬ÃâµÃÉËÁËÄãµÄ·¨ÑÛ¡£
ÏÂÃæÊÇÔÚÈðÐÇÖÐÕÒµ½µÄ±£»¤Ä£Ê½µÄ½ø³ö¡£
PUSH 00
POPF
LGDT [CS:4F70] ;FF 0F 2C A9 01
00 Õâ¾ÍÊÇ4F70µÄÄÚÈÝÁË
LIDT [CS:4F76] ;FF 07 2C A1 01
00 Õâ¾ÍÊÇ4F76µÄÄÚÈÝÁË
MOV EAX,[CS:4F44]
;00 80 02 00 Õâ¾ÍÊÇ4F44µÄÄÚÈÝÁË
MOV CR3,EAX £»CR3±»ÖÃΪ00028000
¸ß20λ¾ÍÊÇҳĿ¼ÎïÀí»ù
£»Ö·£¬ÇÒÔÊÐíҳĿ¼»ØÐ´Ê½¸ßËÙ»º´æ¡£
MOV EAX,CR0
OR EAX,80000001 ;·ÖÒ³µÄ±£»¤Ä£Ê½
MOV CR0,EAX
JMP FAR 0800:24D9 £»ÌøÈë±£»¤Ä£Ê½ÂÞ
MOV AX,0808
MOV SS,AX
MOVZX ESP,SP
MOV DS,AX
MOV ES,AX
MOV FS,AX
MOV GS,AX
RET
PUSH 00
POPF
MOV AX,0808
MOV DS,AX
MOV ES,AX
MOV SS,AX
MOV FS,AX
MOV GS,AX
MOV EAX,CR0
AND EAX,7FFFFFFE
MOV CR0,EAX £»Ôڻص½ÊµÄ£Ê½Ö®Ç°£¬ÐÞ¸ÄCR0
SUB EAX,EAX
MOV CR3,EAX £»ÇåµôҳĿ¼µØÖ·
JMP FAR 16A7:2512 £»»Øµ½ÊµÄ£Ê½
:2512 LGDT [CS:4F86]
LIDT [CS:4F80]
MOV AX,CS
MOV SS,AX
MOV DS,AX
MOV ES,AX
MOV FS,AX
MOV GS,AX
MOVZX ESP,SP
.
.
;ÈÃÎÒÃÇ¿´¿´1A92:000CÊÇЩÉõô¶«¶«,ºÇºÇÏÂÃæ¾ÍÊÇGDT±íÁË£¨8λһ×飩
00 00 00 00 00 00 00 00-FF FF 70 6A 01 9E 00 00 ........ÿÿpj.?.
FF FF 70 6A 01 9E 00 00-FF FF 70 6A 01 9E 00 00 ÿÿpj.?.ÿÿpj.?.
FF FF 70 6A 01 9E 00 00-FF FF 70 6A 01 9E 00 00 ÿÿpj.?.ÿÿpj.?.
FF FF 70 6A 01 9E 00 00-FF FF 70 6A 01 9E 00 00 ÿÿpj.?.ÿÿpj.?.
FF FF 70 6A 01 9E 00 00-FF FF 70 6A 01 9E 00 00 ÿÿpj.?.ÿÿpj.?.
.
.
.
;ÔÙÈÃÎÒÃÇ¿´¿´1A12:000CµÄIDT±í£¨8λһ×飩
97 1F 08 00 00 8E 00 00-97 1F 10 00 00 8F 00 00 ?...?.?...?.
97 1F 18 00 00 8E 00 00-97 1F 20 00 00 8F 00 00 ?...?.? ..?.
97 1F 28 00 00 8E 00 00-97 1F 30 00 00 8E 00 00 ?(..?.?0..?.
97 1F 38 00 00 8E 00 00-97 1F 40 00 00 8E 00 00 ?8..?.?@..?.
D2 1D 40 00 00 8E 00 00-D2 1D 48 00 00 8E 00 00 ?@..?.?H..?.
.
.
.
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£»ËûµÄ±£»¤ÊÇÔ½À´Ô½Ç¿£¬µ«¼ÓÃÜÅÌ×öµÄ¼òÖ±ÊÇÔÚ·ÅË®ÂÎÒ8.0дµÄÄÚ´æ½âÃܳÌÐòÏÖÔÚ¶¼»¹¿ÉÒÔÓá£Õæ¸ã²»¶®¡£
£»»¹ÓÐÉÏÃæ½²µÄÖ»ÊDZ£»¤Ä£Ê½µÄ×î¼òµ¥µÄ½ø³ö£¬ÒªÏëдÏêϸ£¬Ò»±¾Êé¶¼ÓеÄд£¬¶øÇÒÎÒҲûÄĸöˮƽ¡£
£»Èç¹ûÄã¾õµÃÏÖÔÚÓо¢Ã»´¦Ê¹£¬ÄǾ͸㶨ÏÂÃæµÄÕâ¸ö°É£¬ÎÒ¾ÙË«ÊÖÖ§³Ö¡£
£»ÏÂÃæ¿´¿´ÀÏÍôÄÇţƤºåºåµÄKV3000 G+°æ
£»×¢£ºÄ³Ð©Ìø×ªÖ¸ÁîÊDz»ÕýÈ·µÄ£¬ÒòÎÒÓÃÁËÆäËûµÄ·½·¨»ØÐ´·´»ã±àÎı¾£¬²»¹ýÖØÒªµÄÆ«ÒÆ
£» ÎÒÒÑÔÚÇ°Ãæ±êÃ÷¡£
:CC84 MOV BX,3B00
BB003B
MOV CX,0001
B90100
MOV DX,0000
BA0000
MOV BP,0005
BD0500
MOV AX,0201
B80102
:CC93 INT 13
CD13 £»ÎÒÔÚ´Ë´¦½«IPÖµ¸ÄΪCFCA
JAE 0128
7315
.
.
CMP [WORD BX+0013],0960
817F136009 £»´Ë´¦ÅжÏÈíÅÌÀàÐÍ
JNE 0161
7511 £»²»ÊÇ3.5¾ÍÌø
CMP [BYTE D4C9],24
803EC9D424
JA 015E
7707
INC [BYTE 80AA]
FE06AA80
JMP 0203
E9A500
JMP F0FD
E99CEF
MOV [BYTE D3AF],00
C606AFD300
CMP [BYTE D4C9],44
803EC9D444
JBE 0181
7614
CMP [BYTE D4C9],C5
803EC9D4C5
JNE 0177
7503
JMP 0203
E98C00
CMP [BYTE D4C9],55
803EC9D455
JBE 0181
7603
JMP 0203
E98200
MOV AX,F000
B800F0
MOV ES,AX
8EC0
CMP [WORD ES:FF80],779A
26813E80FF9A77
JNE 01A4
7515
.
.
.
CMP [WORD ES:FFEE],5141
26813EEEFF4151
JNE 044C
7506
:CFCA CALL FAR 3B6A:884D
9A4D886A3B £»¾ÍÊÇÕâÀïÁË£¬´Ó´Ë´¦
:CFCF RET
C3
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