📄 ntldr磁盘操作及相关函数分析.mht
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<DIV class=3Dgray>2006-07-26</DIV>
<H3>ntldr=B4=C5=C5=CC=B2=D9=D7=F7=BC=B0=CF=E0=B9=D8=BA=AF=CA=FD=B7=D6=CE=F6=
1 </H3>
<TABLE class=3Dblog-content>
<TBODY>
<TR>
<TD>
<P>=C7=B0=D1=D4=A3=BA<SPAN style=3D"DISPLAY: none"> u=14l!e!^qwx=20
=
</SPAN> <BR>=B4=CB=C6=AA=CD=AC=D1=F9=CE=AA=A1=B6ntldr=B7=D6=CE=F6=A1=
=B7=B5=C4=B2=B9=B3=E4=A3=AC=D3=EB=A1=B6ntldr=C4=DA=B4=E6=B3=F5=CA=BC=BB=AF=
=A1=A2=B7=D6=C5=E4=A1=A2=B2=D9=D7=F7=BC=B0=CF=E0=B9=D8=BA=AF=CA=FD=B7=D6=CE=
=F6=A1=B7=D2=BB=C6=AA=CB=F9=B2=BB=CD=AC=B5=C4=CA=C7=A3=AC=B8=C3=CE=C4=D6=D0=
=CB=F9=C9=E6=BC=B0=B5=BD=B5=C4=BA=AF=CA=FD=B4=F3=B2=BF=B7=D6=D3=EB=B4=C5=C5=
=CC=B5=C4=B2=D9=D7=F7=CF=E0=B9=D8=A3=AC=D4=DA=B7=D6=CE=F6=20
=
ntldr=B5=C4=B9=FD=B3=CC=D6=D0=A3=AC=B7=A2=CF=D6=B4=C5=C5=CC=B2=D9=D7=F7=CF=
=E0=B5=B1=B5=C4=B8=B4=D4=D3=A3=AC=BD=F6=BA=AF=CA=FD=D6=B8=D5=EB=D6=AE=BC=E4=
=B5=C4=D3=B3=C9=E4=BE=CD=D2=D1=BE=AD=B8=E3=B5=C4=CE=D2=D4=CE=CD=B7=D7=AA=CF=
=F2=C1=CB=A3=AC=B8=FC=B2=BB=D2=AA=CB=B5=C6=E4=D6=D0=B5=C4=CE=C4=BC=FE=C3=E8=
=CA=F6=B7=FB=D6=AE=C0=E0=B5=C4=C1=CB=A3=AC=CB=F9=D2=D4=B8=C9=B4=E0=BD=AB=BA=
=CD=B4=C5=C5=CC=B2=D9=D7=F7=B5=C4=D3=D0=B9=D8=BA=AF=CA=FD=B5=A5=B6=C0=D5=FB=
=C0=ED=B3=F6=C0=B4=D2=D4=D7=F6=B7=D6=CE=F6=A1=A3<SPAN=20
style=3D"DISPLAY: none"> d2nUy6xB =13=20
=
</SPAN> <BR>=D4=DA=A1=B6ntldr=B7=D6=CE=F6=A1=B7=D6=D0=A3=AC=B9=D8=D3=
=DA=B5=DA=D2=BB=B2=BF=B7=D6=CB=F9=BD=E9=C9=DC=B5=C4=B2=A2=C3=BB=D3=D0=CC=AB=
=B6=E0=B5=C4=B4=C5=C5=CC=B2=D9=D7=F7=A3=AC=CB=F9=D2=D4=BD=AB=C6=E4=CC=F8=B9=
=FD=A3=AC=D6=B1=BD=D3=B7=D6=CE=F6=D7=EE=B8=B4=D4=D3=C4=D1=B6=AE=B5=C4=B2=BF=
=B7=D6=A1=A3<SPAN=20
style=3D"DISPLAY: none"> =1Dr=13=02W0=03[OG=20
=
</SPAN> <BR>=D5=E2=D2=BB=B2=BF=C3=BB=D3=D0=D7=F6=D7=EE=BA=F3=B5=C4=D5=
=FB=C0=ED=A3=AC=CB=F9=D2=D4=BF=B4=C6=F0=C0=B4=CA=AE=B7=D6=D4=D3=C2=D2=A3=AC=
=CB=B5=CA=B5=BB=B0=A3=AC=C6=E4=CA=B5=CE=D2=CA=C7=B2=BB=CC=AB=D4=B8=D2=E2=D0=
=B4=D5=E2=D2=BB=B2=BF=B7=D6=B5=C4=A3=AC=D2=F2=CE=AA=D2=AA=B8=F9=BE=DD=CE=C4=
=BC=FE=B7=D6=C7=F8=B8=F1=CA=BD=C7=F8=B1=F0=B6=D4=B4=FD=A3=AC=C8=E7=B9=FB=D2=
=AA=C8=AB=B2=BF=D0=B4=CF=C2=C0=B4=A3=AC=B9=A4=D7=F7=C1=BF=BE=F6=B2=BB=D1=C7=
=D3=DA=B7=D6=CE=F6ntldr=A3=AC=B6=F8=C7=D2=B6=D4=D3=DAntfs=A1=A2hpfs=A1=A2=
cdfs=B5=C8=B5=C8=C6=E4=CB=FB=CE=C4=BC=FE=B7=D6=C7=F8=B8=F1=CA=BD=A3=AC=CE=
=D2=BB=B9=B2=BB=CC=AB=CA=EC=CF=A4=A3=AC=CB=F9=D2=D4=CE=D2=BC=D9=B6=A8=CE=C4=
=BC=FE=B7=D6=C7=F8=B8=F1=CA=BD=CE=AAfat=A3=AC=D6=C1=D3=DA=C6=E4=CB=FB=B5=C4=
=CE=C4=BC=FE=B7=D6=C7=F8=B8=F1=CA=BD=B5=C4=B2=D9=D7=F7=A3=AC=CE=D2=BD=AB=D4=
=DA=D2=D4=BA=F3=D1=A7=CF=B0=CE=C4=BC=FE=CF=B5=CD=B3=B5=C4=B9=FD=B3=CC=D6=D0=
=B2=B9=C9=CF=A1=A3<SPAN=20
style=3D"DISPLAY: none"> Vvi=16(=17=07=01I2 </SPAN> <BR><SPAN =
style=3D"DISPLAY: none">O=1E,RDM =0F<% =
</SPAN> <BR>GetSector=BA=AF=CA=FD=B4=FA=C2=EB=B7=D6=CE=F6=A3=BA<SPAN=
=20
style=3D"DISPLAY: none"> (4gy{U$"_J </SPAN> <BR> =
=B4=FA=C2=EB=CE=BB=D6=C3=A3=BAexp.asm<SPAN style=3D"DISPLAY: =
none"> =02W_[3YB(=3D </SPAN> <BR>;=20
=C3=E8=CA=F6:<SPAN style=3D"DISPLAY: none"> RjY0?=187!=03D =
</SPAN> <BR>; =20
=
=B4=D3=D6=B8=B6=A8=B5=C4=C7=FD=B6=AF=C6=F7=B6=C1=C8=A1=CB=F9=C7=EB=C7=F3=B5=
=C4=C9=C8=C7=F8=CA=FD=C1=BF=B5=BD=D6=B8=B6=A8=B5=C4=BC=C4=B4=E6=C6=F7=D6=D0=
<SPAN style=3D"DISPLAY: none"> =14m3p1L* >{=20
</SPAN> <BR>;<SPAN style=3D"DISPLAY: none"> =1F0=02O:o-hDo=20
</SPAN> <BR>; =B2=CE=CA=FD:<SPAN style=3D"DISPLAY: none"> =
$=10 WzmYO=14Q=20
</SPAN> <BR>; ULONG Virtual =
address into=20
which to read data<SPAN style=3D"DISPLAY: none"> *vPvn=14~)Y=1C=20
</SPAN> <BR>; ULONG Number of =
sectors to=20
read<SPAN style=3D"DISPLAY: none"> FL=16:=187|=0E R =
</SPAN> <BR>; =20
ULONG Physical sector number<SPAN=20
style=3D"DISPLAY: none"> K_WpGJ3>]j </SPAN> <BR>; =
=B2=B9=B3=E4 =20
ULONG TrackNumber<SPAN style=3D"DISPLAY: =
none">=20
=04q=3D)=08=1Bq=189: </SPAN> <BR>; =B2=B9=B3=E4 =
ULONG=20
HeadNumber<SPAN style=3D"DISPLAY: none"> =1CY~=063v=07:@o =
</SPAN> <BR>;=20
ULONG Drive Number<SPAN =
style=3D"DISPLAY: none">=20
JEE&oC^7)I </SPAN> <BR>; =
ULONG=20
Function Number<SPAN style=3D"DISPLAY: none"> E=08\LT2D/ =01=20
</SPAN> <BR>;<SPAN style=3D"DISPLAY: none"> `t=3D4f,m`hF=20
</SPAN> <BR>; TOS -> ULONG Flat return address =
(must be=20
used with KeCodeSelector)<SPAN style=3D"DISPLAY: none"> .=13 =
r/d=10\=18X=20
</SPAN> <BR>; =20
=
=B2=BB=D6=AA=B5=C0=CE=AA=CA=B2=C3=B4=A3=AC=D4=DA=D7=A2=CA=CD=D6=D0=D6=BB=C1=
=D0=B3=F6=C1=CB5=B8=F6=B2=CE=CA=FD=B5=C4=BD=E2=CA=CD=A3=AC=D4=AD=B1=BE=CA=
=C77=B8=F6=B2=CE=CA=FD=A3=AC=CE=D2=B0=D1=C6=E4=D6=D0=C8=B1=C9=D9=B5=C4=C1=
=BD=B8=F6=B2=CE=CA=FD=D7=A2=C3=F7=B3=F6<SPAN style=3D"DISPLAY: none">=20
[Tw;.=11e)f- </SPAN> <BR>; =20
=
=C0=B4=A1=A3=B2=CE=CA=FD=B8=F8=B3=F6=B5=C4=CB=B3=D0=F2=D2=B2=B2=BB=B6=D4=A3=
=AC=CB=FB=B8=F8=B3=F6=B5=C4=CB=B3=D0=F2=CA=C7=B0=B4=D5=D5=B6=D1=D5=BB=D6=D0=
=B5=C4=CB=B3=D0=F2=B8=F8=B3=F6=B5=C4=A3=AC=B6=F8=B2=BB=CA=C7=B5=F7=D3=C3=BA=
=AF=CA=FD=CA=B1=B5=C4=B4=AB=C8=EB=CB=B3<SPAN style=3D"DISPLAY: none">=20
ym4c(~qdUq </SPAN> <BR>; =
=D0=F2=B8=F8=B3=F6=B5=C4=A1=A3<SPAN style=3D"DISPLAY: none">=20
n>=3D%Nn)c85 </SPAN> <BR>;--<SPAN style=3D"DISPLAY: none"> =
&WF=1F=12X:8M> </SPAN> <BR><SPAN style=3D"DISPLAY: =
none">A4Uy+gs-=1C=18=20
</SPAN> <BR>EXPORT_ENTRY_MACRO GetSector<SPAN=20
style=3D"DISPLAY: none"> o=0F-NU!=06Bb=1F </SPAN> <BR>;<SPAN=20
style=3D"DISPLAY: none"> lMP=12 )"=03$=1E </SPAN> <BR>; =
=BD=AB=B2=CE=CA=FD=B4=D3=B5=F7=D3=C3=D5=DF=B5=C4 32=CE=BB =
=B6=D1=D5=BB=BF=BD=B1=B4=B5=BD SU=20
=C4=A3=BF=E9=B5=C4 16=CE=BB =B6=D1=D5=BB=D6=D0<SPAN =
style=3D"DISPLAY: none"> &vr8a=184qCl </SPAN> <BR>;=20
=CE=AA=CA=B2=C3=B4=D2=AA=B4=D3 32=CE=BB =B5=F7=D3=C3 16=CE=BB =
=B4=FA=C2=EB=CE=D2=B2=BB=CA=C7=CC=AB=C7=E5=B3=FE=A3=AC=C8=E7=B9=FB=C4=E3=B8=
=FC=C7=E5=B3=FE=C7=EB=C1=AA=CF=B5<SPAN style=3D"DISPLAY: none"> UEu~ =
su;#=1A=20
</SPAN> <BR>; =CE=D2=A3=A8<A=20
=
href=3D"mailto:zl21_spawn@163.com">zl21_spawn@163.com</A>=A3=A9.<SPAN=20
style=3D"DISPLAY: none"> /,=1F>=1F=02Qs=15 </SPAN> <BR>; =
<SPAN=20
style=3D"DISPLAY: none">h,c ~<=15=0FL </SPAN> <BR> =
=20
MAKE_STACK_FRAME_MACRO <GetSectorFrame>, ebx <SPAN=20
style=3D"DISPLAY: none">-=07>?eRp4dl </SPAN> <BR><SPAN=20
style=3D"DISPLAY: none">?m=0E+=19_.8tG </SPAN> <BR>;=20
=
=D7=D0=CF=B8=B9=DB=B2=EC=A3=AC=B8=C3=BD=E1=B9=B9=D3=EB=C9=CF=C3=E6=B4=AB=C8=
=EBGetSector()=BA=AF=CA=FD=D6=D0=B5=C4=B2=CE=CA=FD=CA=C7=D2=BB=D6=C2=B5=C4=
<SPAN style=3D"DISPLAY: none"> B#-4H=14Y0L:=20
</SPAN> <BR>; GetSectorFrame struc<SPAN=20
style=3D"DISPLAY: none"> =026+ R=02FM_g </SPAN> <BR>; =
=20
FunctionNumber dd ?<SPAN style=3D"DISPLAY: none"> =
hnzT/ =19_Id=20
</SPAN> <BR>; DriveNumber dd =
=20
?<SPAN style=3D"DISPLAY: none"> @GI6O5=01W=1D` </SPAN> <BR>; =
=20
HeadNumber dd ?<SPAN style=3D"DISPLAY: =
none">=20
Nefn=15V<^y9 </SPAN> <BR>; TrackNumber =
dd=20
?<SPAN style=3D"DISPLAY: none"> |(Z1*1 =1A<=20
</SPAN> <BR>; SectorNumber dd =
=20
?<SPAN style=3D"DISPLAY: none"> 7DuCk=1D]g=3DU </SPAN> <BR>; =
=20
NumberOfSectors dd ?<SPAN style=3D"DISPLAY: none"> =
M"`=04=1C2mV=03w=20
</SPAN> <BR>; BufferPointer dd =
=20
?<SPAN style=3D"DISPLAY: none"> J7;=1FGm8aDb </SPAN> <BR>; =
GetSectorFrame=20
ends; <SPAN style=3D"DISPLAY: none">- =
p)=02U=0EgcI=20
</SPAN> <BR><SPAN style=3D"DISPLAY: none">u,\_<`6uJi=20
</SPAN> <BR>;<SPAN style=3D"DISPLAY: none"> =
oZ["^=12Qb>&=20
</SPAN> <BR>; =
=C7=D0=BB=BB=B5=BD=B1=A3=BB=A4=C4=A3=CA=BD=A3=AC=CE=D2=C3=C7=C8=D4=BE=C9=CA=
=B9=D3=C3=CF=E0=CD=AC=B5=C4=B6=D1=D5=BB=BA=CD SP =
=BC=C4=B4=E6=C6=F7=A3=AC=B5=AB=CA=C7=CE=D2=C3=C7=D4=DA=CA=B5=C4=A3=CA=BD=D6=
=D0=D6=B4=D0=D0<SPAN=20
style=3D"DISPLAY: none"> f%O=1Eg=07-/Wd </SPAN> <BR>;<SPAN=20
style=3D"DISPLAY: none"> j/{]=01=1C=1C?N. </SPAN> <BR> =
=20
ENTER_REALMODE_MACRO<SPAN style=3D"DISPLAY: none"> =
X>}-+WH=19=07I=20
</SPAN> <BR>;<SPAN style=3D"DISPLAY: none"> C |y ~=07[=0F=1D=20
</SPAN> <BR>; =
=BB=F1=C8=A1=C7=EB=C7=F3=B5=C4=C9=C8=C7=F8=A1=A3=B2=CE=CA=FD=D4=DA=CA=B5=C4=
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