Questions tagged [c166]
C166 is a family of 16-bit microcontrollers from Infineon (previously Siemens), often used in automotive applications such as ECUs.
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CRC16 Reverse in C166 Arch
Before that I asked about piece of code that used in this algorithm (here). Now I have a bit problem with the rest of algorithm.
So I have to describe this with detail. Sorry if i vast your time for ...
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The C166 family code meaning
What the meaning of this code with an explanation?
sub_37C2:
mov r5, r4
shr r5, #14
shl r5, #1
mov r5, [r5+0FE00h] ; DPP0
bmov r4.14, r5.0
bmov r4.15, r5.1
shr r5, #2
rets
; ...
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C166 Memory and Addressing mode
Here I think I have some wrong in base concepts,
In the code shown below as you have seen, r4 is input argument for sub_37C2 where r4 is r0 + 6. And probably this function return r4 and r5.
So, we ...
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C166/C167 code analyzing
Recently I try to reverse piece of assembly code that written for C166/C167 Arch.
But I have a problem with some places for convert to C code, such as:
loc_1892:
mov r9, #4
add r9, r0
mov ...
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Data XREF in IDAPro (C166/167 Arch)
try to reverse some algo in c167 arch.
in a part of the file i saw a variable that located in XRAM mov to accumulator registers and finally xor with other registers. as below:
mov r1, word_E1C4
...
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Trying to dump firmware from embedded flash
I have an Infineon XC161CJ-16F SoC and Micron/ST M29W320EB parallel nor flash memory that I am trying to dump the firmware from but I'm not sure how to proceed. I found JTAG pads that I soldered pins ...
