?? samsung原版44b0x的bootloader分析.mht
字號(hào):
;</FONT></P>
<P><FONT face=3D"Times New Roman"> b=20
=
. =
=20
;</FONT></P>
<P><FONT face=3D"Times New Roman"> b=20
=
. =
=20
;</FONT></P>
<P><FONT face=3D"Times New Roman"> b=20
=
. =
=20
;mGKA</FONT></P>
<P><FONT face=3D"Times New Roman"> b =
.</FONT></P>
<P><FONT face=3D"Times New Roman"> b =
.</FONT></P>
<P><FONT face=3D"Times New Roman"> ldr=20
=
pc,=3DHandlerADC &nb=
sp;;mGKB</FONT></P>
<P><FONT face=3D"Times New Roman"> b=20
=
. =
=20
;</FONT></P>
<P><FONT face=3D"Times New Roman"> b=20
=
. =
=20
;</FONT></P>
<P><FONT face=3D"Times New Roman"> b=20
=
. =
=20
;</FONT></P>
<P><FONT face=3D"Times New Roman"> b=20
=
. =
=20
;</FONT></P>
<P><FONT face=3D"Times New Roman"> b=20
=
. =
=20
;mGKB</FONT></P>
<P><FONT face=3D"Times New Roman"> b =
.</FONT></P>
<P><FONT face=3D"Times New Roman"> b =
.</FONT></P>
<P><FONT face=3D"Times New Roman">;0xe0=3DEnterPWDN</FONT></P>
<P><FONT face=3D"Times New Roman"> ldr=20
pc,=3DEnterPWDN</FONT></P>
<P>
<TABLE cellSpacing=3D0 cellPadding=3D0 border=3D1>
<TBODY>
<TR>
<TD vAlign=3Dtop width=3D710>
=
<P>=CD=A8=B9=FD=D5=E2=B6=CE=B4=FA=C2=EB,=BE=CD=D4=DA44B0=B5=C4ROM=D6=D0=D2=
=D40x00=CE=AA=C6=F0=CA=BC=B5=D8=D6=B7=B5=C4=B5=D8=B7=BD=BD=A8=C1=A2=C6=F0=
=C1=CB=D2=BB=D5=C5=D6=D0=B6=CF=CF=F2=C1=BF=B1=ED=A3=AC=B6=F8=C7=D2=D5=E2=B8=
=F6=B1=ED=B5=C4=CB=B3=D0=F2=CD=EA=C8=AB=B7=FB=BA=CF44B0=CA=FD=BE=DD=CA=D6=
=B2=E1=D6=D0=B6=D4=D6=D0=B6=CF=CF=F2=C1=BF=B5=D8=D6=B7=B5=C4=B6=A8=D2=E5=D2=
=AA=C7=F3=A1=A3=20
</P>
<P></P>
<P></P></TD></TR></TBODY></TABLE></P>
=
<H2>2=A3=AE=D2=BB=BC=B6=D3=EB=B6=FE=BC=B6=D6=D0=B6=CF=B4=A6=C0=ED=B3=CC=D0=
=F2</H2>
<P>
<TABLE cellSpacing=3D0 cellPadding=3D0 border=3D1>
<TBODY>
<TR>
<TD vAlign=3Dtop width=3D710>
=
<P>=D4=DA=D6=D0=B6=CF=CF=F2=C1=BF=B1=ED=D6=D0IRQ=B5=C4=B5=D8=D6=B7=B4=A6=D0=
=B4=C8=EB=D2=BB=CC=F5=BD=F8=C8=EBIRQ=D6=D0=B6=CF=B4=A6=C0=ED=B5=C4=D6=B8=C1=
=EE=A3=AC=CA=B9IRQ=B7=A2=C9=FA=D6=D0=B6=CF=CA=B1=CF=C8=B5=BDIRQ=A1=AA=A1=AA=
SERIVE=A3=A8=D2=BB=BC=B6=D6=D0=B6=CF=B4=A6=C0=ED=B3=CC=D0=F2=A3=A9=D6=D0=B6=
=D4=D6=D0=B6=CF=CF=F2=C1=BF=BD=F8=D0=D0=CA=B6=B1=F0=A3=AC=D4=D9=BD=F8=C8=EB=
=CF=E0=D3=A6=B5=C4=D4=DA=CD=E2=B2=BFRAM=D6=D0=BE=DF=CC=E5=B5=C4IRQ=D6=D0=B6=
=CF=B3=CC=D0=F2=A1=A3=D4=DA=B4=CB=D6=AE=BC=E4=D0=E8=D2=AA=B0=D1=D6=D0=B6=CF=
=CF=F2=C1=BF=B1=ED=D6=D0=B5=C4INT=D4=B4=D6=D0=B5=C4=D6=D0=B6=CF=D3=EB=CD=E2=
=B2=BFRAM=D6=D0=B5=C4=D3=EB=C6=E4=B6=D4=D3=A6=B5=C4=D6=D0=B6=CF=B4=A6=C0=ED=
=B3=CC=D0=F2=A3=A8=B6=FE=BC=B6=D6=D0=B6=CF=B4=A6=C0=ED=B3=CC=D0=F2=A3=A9=CF=
=E0=B6=D4=D3=A6=A3=AC=B8=C3=B2=D9=D7=F7=CA=C7=D3=C9=D2=BB=B8=F6=BA=EA=C0=B4=
=CD=EA=B3=C9=B5=C4=A3=AC=C8=CE=BA=CE=B5=F7=D3=C3HandlerXXX=20
HANDLER=20
=
HandleXXX=B6=BC=BD=AB=B1=BB=CF=C2=C3=E6=B5=C4=B3=CC=D0=F2=D5=B9=BF=AA=A3=AC=
=B8=C3=BA=EA=B6=A8=D2=E5=B5=C4=B4=FA=C2=EB=D3=C3=D3=DA=BD=AB=B6=D4=D3=A6=D6=
=D0=B6=CF=B7=FE=CE=F1=B3=CC=D0=F2ISR=B5=C4=C8=EB=BF=DA=B5=D8=D6=B7=D7=B0=D4=
=D8=B5=BDPC=D6=D0=A3=AC=BF=C9=B3=C6=D6=AE=CE=AA=A1=B0=BC=D3=D4=D8=B3=CC=D0=
=F2=A1=B1 </P>
<P></P>
<P></P>
=
<P>=B1=BE=B3=F5=CA=BC=BB=AF=B3=CC=D0=F2=B6=A8=D2=E5=C1=CB=D2=BB=B8=F634=B8=
=F6=D7=D6=BF=D5=BC=E4=B5=C4=CA=FD=BE=DD=C7=F8=A3=A8=D4=DA=CE=C4=BC=FE=D7=EE=
=BA=F3=A3=A9=A3=AC=D3=C3=D3=DA=B4=E6=B7=C5=CF=E0=D3=A6=D6=D0=B6=CF=B7=FE=CE=
=F1=B3=CC=D0=F2=B5=C4=CA=D7=B5=D8=D6=B7=A1=A3=C3=BF=B8=F6=D7=D6=BF=D5=BC=E4=
=B6=BC=D3=D0=D2=BB=B8=F6=B1=EA=BA=C5=A3=AC=D2=D4HandleXXX=C3=FC=C3=FB=A1=A3=
=D4=DA=CF=F2=C1=BF=D6=D0=B6=CF=C4=A3=CA=BD=CF=C2=CA=B9=D3=C3=A1=B0=BC=D3=D4=
=D8=B3=CC=D0=F2=A1=B1=C0=B4=D6=B4=D0=D0=D6=D0=B6=CF=B7=FE=CE=F1=B3=CC=D0=F2=
=A1=A3=20
</P>
<P></P>
<P></P>
<P =
align=3Dcenter>=CF=F2=C1=BF=D6=D0=B6=CF=BA=CD=B7=C7=CF=F2=C1=BF=D6=D0=B6=CF=
=C4=A3=CA=BD=B5=C4=B8=C5=C4=EE=D3=EB=C7=F8=B1=F0 </P>
<P></P>
<P></P>
=
<P>=A3=A8=D2=BB=A3=A9=CF=F2=C1=BF=D6=D0=B6=CF=C4=A3=CA=BD=CA=C7=B5=B1CPU=B6=
=C1=C8=A1=CE=BB=D3=DA0x18=B4=A6=B5=C4IRQ=D6=D0=B6=CF=D6=B8=C1=EE=B5=C4=CA=
=B1=BA=F2=A3=AC=CF=B5=CD=B3=D7=D4=B6=AF=B6=C1=C8=A1=B6=D4=D3=A6=D3=DA=B8=C3=
=D6=D0=B6=CF=D4=B4=C8=B7=B6=A8=B5=D8=D6=B7=C9=CF=B5=C4=D6=B8=C1=EE=C8=A1=B4=
=FA0x18=B4=A6=B5=C4=D6=B8=C1=EE=A3=AC=CD=A8=B9=FD=CC=F8=D7=AA=D6=B8=C1=EE=
=CF=B5=CD=B3=BE=CD=D6=B1=BD=D3=CC=F8=D7=AA=B5=BD=B6=D4=D3=A6=B5=D8=D6=B7=BA=
=AF=CA=FD=D6=D0=A3=AC=BD=DA=CA=A1=C1=CB=D6=D0=B6=CF=B4=A6=C0=ED=CA=B1=BC=E4=
=CC=E1=B8=DF=C1=CB=D6=D0=B6=CF=B4=A6=C0=ED=CB=D9=B6=C8=A1=A3=C0=FD=C8=E7 =
ADC =
=D6=D0=B6=CF=B5=C4=CF=F2=C1=BF=B5=D8=D6=B7=CE=AA0xC0,=D4=F2=D4=DA0xC0=B4=A6=
=B7=C5=C8=E7=CF=C2=B4=FA=C2=EB=A3=BAldr PC,=3DHandlerADC=20
=
=B5=B1ADC=D6=D0=B6=CF=B2=FA=C9=FA=B5=C4=CA=B1=BA=F2=CF=B5=CD=B3=BB=E1=D7=D4=
=B6=AF=CC=F8=D7=AA=B5=BDHandlerADC=BA=AF=CA=FD=D6=D0=B4=A6=C0=ED=D6=D0=B6=
=CF=A1=A3 </P>
<P></P>
<P></P>
=
<P>=A3=A8=B6=FE=A3=A9=B7=C7=CF=F2=C1=BF=D6=D0=B6=CF=C4=A3=CA=BD=B4=A6=C0=ED=
=B7=BD=CA=BD=CA=C7=D2=BB=D6=D6=B4=AB=CD=B3=B5=C4=D6=D0=B6=CF=B4=A6=C0=ED=B7=
=BD=B7=A8=A3=AC=B5=B1=CF=B5=CD=B3=B2=FA=C9=FA=D6=D0=B6=CF=B5=C4=CA=B1=BA=F2=
=A3=AC=CF=B5=CD=B3=BD=ABINTPND=BC=C4=B4=E6=C6=F7=D6=D0=B6=D4=D3=A6=B1=EA=D6=
=BE=CE=BB=D6=C3=CE=BB=A3=AC=C8=BB=BA=F3=CC=F8=D7=AA=B5=BD=CE=BB=D3=DA0x18=
=B4=A6=B5=C4=CD=B3=D2=BB=D6=D0=B6=CF=BA=AF=CA=FD=D6=D0=A3=BB=B8=C3=BA=AF=CA=
=FD=CD=A8=B9=FD=B6=C1=C8=A1INTPND=BC=C4=B4=E6=C6=F7=D6=D0=B6=D4=D3=A6=B1=EA=
=D6=BE=CE=BB=C0=B4=C5=D0=B6=CF=D6=D0=B6=CF=D4=B4=A3=AC=B2=A2=B8=F9=BE=DD=D3=
=C5=CF=C8=BC=B6=B9=D8=CF=B5=D4=D9=CC=F8=B5=BD=B6=D4=D3=A6=D6=D0=B6=CF=D4=B4=
=B5=C4=B4=A6=C0=ED=B4=FA=C2=EB=D6=D0=B4=A6=C0=ED=D6=D0=B6=CF=A1=A3=20
</P>
<P></P>
<P></P></TD></TR></TBODY></TABLE></P>
<P></P>
<P><FONT face=3D"Times New Roman"></FONT></P>
<P></P>
<H3><FONT size=3D5><FONT face=3D"Times New =
Roman">1</FONT>=A3=A9=C9=E8=D6=C3=C8=B1=CA=A1=D6=D0=B6=CF=B4=A6=C0=ED=BA=AF=
=CA=FD<FONT=20
face=3D"Times New Roman"> </FONT>=A1=A3=20
<P></P></FONT></H3>
<P><FONT=20
face=3D"Times New =
Roman"> ;*****************************************=
***********</FONT></P>
<P><FONT=20
face=3D"Times New =
Roman"> ;* Setup=20
IRQ=20
=
handler =
=20
*</FONT></P>
<P><FONT=20
face=3D"Times New =
Roman"> ;*****************************************=
***********</FONT></P>
<P><FONT=20
face=3D"Times New =
Roman"> ldr =20
=
r0,=3DHandleIRQ &nbs=
p; ;This=20
routine is needed</FONT></P>
<P><FONT=20
face=3D"Times New =
Roman"> ldr =20
=
r1,=3DIsrIRQ &=
nbsp; =20
;if there isn't 'subs pc,lr,#4' at 0x18, 0x1c</FONT></P>
<P><FONT=20
face=3D"Times New =
Roman"> str =20
r1,[r0]</FONT></P>
<H3><FONT size=3D5><FONT face=3D"Times New =
Roman">2</FONT>=A3=A9<FONT=20
face=3D"Times New =
Roman">IRQ</FONT>=D6=D0=B6=CF=B4=A6=C0=ED=BA=AF=CA=FD=20
<P></P></FONT></H3>
<P>
<TABLE cellSpacing=3D0 cellPadding=3D0 border=3D1>
<TBODY>
<TR>
<TD vAlign=3Dtop width=3D710>
=
<P>=CF=C2=C3=E6=D5=E2=B6=CE=B3=CC=D0=F2=CA=C7=D3=C3=C0=B4=B4=A6=C0=ED=B7=C7=
=CF=F2=C1=BF=D6=D0=B6=CF=A3=AC=BE=DF=CC=E5=C5=D0=B6=CFI_ISPR=D6=D0=B8=F7=CE=
=BB=CA=C7=B7=F1=D6=C31=20
=
=D6=C31=B1=ED=CA=BE=C4=BF=C7=B0=B4=CB=D6=D0=B6=CF=B5=C8=B4=FD=CF=EC=D3=A6=
=A3=A8=C3=BF=B4=CE=D6=BB=C4=DC=D3=D0=D2=BB=CE=BB=D6=C31=A3=A9=A3=AC=B4=D3=
=D7=EE=B8=DF=D3=C5=CF=C8=BC=B6=D6=D0=B6=CF=CE=BB=BF=AA=CA=BC=C5=D0=B6=CF=A3=
=AC=BC=EC=B2=E2=B5=BD=B5=C8=B4=FD=B7=FE=CE=F1 =
;=D6=D0=B6=CF=BE=CD=BD=ABpc=D6=C3=CE=AA=D6=D0=B6=CF=B7=FE=CE=F1=BA=AF=CA=FD=
=CA=D7=B5=D8=D6=B7=20
</P>
<P></P>
<P></P></TD></TR></TBODY></TABLE></P>
<P><FONT face=3D"Times New =
Roman">IsrIRQ ;using=20
I_ISPR register.</FONT></P>
<P><FONT=20
face=3D"Times New =
Roman"> sub sp,=
sp,#4 =20
;reserved for PC,</FONT>=CE=AA<FONT face=3D"Times New =
Roman">PC</FONT>=C1=F4=CF=C2=BF=D5=CE=BB<FONT=20
face=3D"Times New Roman">.</FONT></P>
<P><FONT face=3D"Times New =
Roman"> stmfd =20
=
sp!,{r8-r9} =20
;</FONT>=B0=D1<FONT face=3D"Times New =
Roman">r8,r9</FONT>=CF=C8=C8=EB=D5=BB</P>
<P></P>
<P><FONT face=3D"Times New Roman"></FONT></P>
<P></P>
<P><FONT=20
face=3D"Times New =
Roman"> ldr =20
r9,=3DI_ISPR =
</FONT>=A3=BB=B6=C1=C8=EB<FONT=20
face=3D"Times New Roman">I_ISPR</FONT>=D6=D0=B5=C4=D6=B5</P>
<P><FONT=20
face=3D"Times New =
Roman"> ldr =20
r9,[r9]</FONT></P>
<P><FONT=20
face=3D"Times New =
Roman"> mov =20
r8,#0x0</FONT></P>
<P><FONT face=3D"Times New Roman">0</FONT></P>
<P><FONT=20
face=3D"Times New =
Roman"> movs r9,r9,lsr=20
=
#1 </FONT>=A3=BB=C2=DF=BC=AD=D3=D2=D2=C6=A3=AC=B5=C3=
=B5=BD=D6=D0=B6=CF=D4=B4=B5=C4=B1=E0=BA=C5</P>
<P><FONT=20
face=3D"Times New =
Roman"> bcs %F1=
</FONT></P>
<P><FONT=20
face=3D"Times New =
Roman"> add r8,=
r8,#4</FONT></P>
<P><FONT=20
face=3D"Times New =
Roman"> b  =
; =20
%B0</FONT></P>
<P></P>
<P><FONT face=3D"Times New Roman"></FONT></P>
<P></P>
<P><FONT face=3D"Times New Roman">1</FONT></P>
<P><FONT=20
face=3D"Times New =
Roman"> ldr =20
r9,=3DHandleADC </FONT></P>
<P><FONT=20
face=3D"Times New =
Roman"> add r9,=
r9,r8 </FONT>=A3=
=BB=B5=C3=B5=BD=C6=AB=D2=C6=B5=D8=D6=B7</P>
<P><FONT=20
face=3D"Times New =
Roman"> ldr =20
=
r9,[r9] =
</FONT>=A3=BB=B5=C3=B5=BD=CF=E0=D3=A6=B5=C4<FONT=20
face=3D"Times New Roman">IRQ</FONT>=B3=CC=D0=F2=B5=D8=D6=B7</P>
<P><FONT=20
face=3D"Times New =
Roman"> str =20
=
r9,[sp,#8] &nb=
sp; </FONT>=A3=BB=B0=D1<FONT=20
face=3D"Times New =
Roman">IRQ</FONT>=B3=CC=D0=F2=B5=C4=B5=D8=D6=B7=B5=B1=B3=C9<FONT=20
face=3D"Times New Roman">PC</FONT>=D6=B5=C8=EB=D5=BB</P>
<P><FONT face=3D"Times New =
Roman"> ldmfd =20
sp!,{r8-r9,pc} </FONT>=A3=BB=B6=D4<FONT face=3D"Times New =
Roman">PC</FONT>=B8=B3=D6=B5<FONT=20
face=3D"Times New =
Roman">,</FONT>=D7=AA=B5=BD=D0=C2=B5=C4=D6=D0=B6=CF=B3=CC=D0=F2=B4=A6=A1=A3=
</P>
<H3><FONT size=3D5><FONT face=3D"Times New =
Roman">3</FONT>=A3=A9=B6=A8=D2=E5=D2=BB=B8=F6=BC=D3=D4=D8=BA=EA=A1=A3=20
<P></P></FONT></H3>
<P><FONT face=3D"Times New =
Roman"> MACRO</FONT></P>
<P><FONT face=3D"Times New Roman">$HandlerLabel HANDLER=20
$HandleLabel</FONT></P>
<P></P>
<P><FONT face=3D"Times New Roman"></FONT></P>
<P></P>
<P><FONT face=3D"Times New Roman">$HandlerLabel</FONT></P>
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