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Author Topic: KFMIRL referencing in IDA  (Read 2610 times)
leeimad
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« on: December 12, 2018, 01:01:27 PM »

Hello everyone
i have a ford focus rs hex file
ECU: BOSCH ME9
CPU: MPC 56x
when i load the file in IDA with RAM & ROM offsets i can know where the maps are refernced by clicking on 'x' xref function but i can't know how the map of KFMIRL is referenced in IDA
in my a2l file there is:
begin CHARACTERISTIC
    KFMIRL
    "map for calculation of nominal charge"
    MAP
    0x1CA0F4
    KfAxUwAyUwSstxUwSstyUwWUw
    1535.977
    rel_uw_q0p0234
    0.00
    1535.977

    FORMAT "%8.3"
   
    /begin IF_DATA ASAP1B_CCP DP_BLOB 0x00 0x5CA0F4 580 /end IF_DATA
    /begin IF_DATA ETK  DP_BLOB 0x90A0F4  0x244  /end IF_DATA
    /begin IF_DATA ASAP1B_KWP2000  DP_BLOB  0x5CA0F4  0x244  /end IF_DATA
    /begin IF_DATA M6   DP_BLOB 0x90A0F4  0x244 /end IF_DATA

    /begin AXIS_DESCR
        STD_AXIS
        nmot_w
        nmot_uw_q0p25
        16
        0.00
        16383.75

        FORMAT "%8.2"
        DEPOSIT ABSOLUTE

    /end AXIS_DESCR

    /begin AXIS_DESCR
        STD_AXIS
        misopl1_w
        rel_uw_b100
        16
        0.00
        99.99847

        FORMAT "%8.5"
        DEPOSIT ABSOLUTE

    /end AXIS_DESCR
/end CHARACTERISTIC

when i go to the address of KFMIRL or its data i don't find any reference
Could you please help me !!!
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leeimad
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« Reply #1 on: December 14, 2018, 11:53:57 AM »

No one can help me !!!!!
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ktm733
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« Reply #2 on: July 09, 2019, 10:57:56 PM »

Ida is a hard thing to learn, I still can't wrap my head around it.
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fknbrkn
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mk4 1.8T AUM


« Reply #3 on: July 10, 2019, 05:32:50 AM »

It's usually axes before the map
And map size before the axes
So xref should be to the first map size byte or word like an
5 5 12345 12345 111112222333 etc
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