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How to jump somewhere in my firmware?

Bolus Deng

Hi,

I have finished concatenation boot loader and firmware codes. The boot loader can jump somewhere in firmware startup segment when I checked the signature passed in boot loader during the boot sequence.

The question is how do I debug the mechanism? [jump to firmware startup] Concatenation two different code is not supported by hardware.

Any suggestions will be fine. very thanks.

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  • 0 in reply to ImPer Westermark

    Hi Per,

    Thanks for your replied this discussion.
    I concatenate two separate stand-alone binaries[boot loader and test program like "Hello World" program]

    Our objective is to reuse OTP[one time programming] space. When I ship our boot loader in the OTP and the OTP has another enough of spaces to put our firmware code in it. My boot loader only capability is to check the newest firmware code to execute in OTP.

    Now I want to know how to test this mechanism without hardware supported.

    Thx

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  • 0 in reply to ImPer Westermark

    Hi Per,

    Thanks for your replied this discussion.
    I concatenate two separate stand-alone binaries[boot loader and test program like "Hello World" program]

    Our objective is to reuse OTP[one time programming] space. When I ship our boot loader in the OTP and the OTP has another enough of spaces to put our firmware code in it. My boot loader only capability is to check the newest firmware code to execute in OTP.

    Now I want to know how to test this mechanism without hardware supported.

    Thx

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