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LP-AM243: Is Sitara MCU AM243x only supports X509 signed format?

Kathiravan Palani
Prodigy 95 points
Part Number: LP-AM243

Hi,

I'm using Sitara MCU AM243x, I flashed the binary file which is x509 signed format to the controller. i.e, .appimage

.out or .elf file is converted into loadable image file(.appimage) by using two java script files(elf2rprc.js & multicoreImageGen.js ) after this x509 signing is happening.

Is this Sitara MCU AM243x only support above signed format or else we can flash directly .out(binary) without signing or converting into .appimage ?

Thanks in advance

  • 0
    TI__Mastermind 26145 points

    Hi Kathiravan Palani,

    Kathiravan Palani said:
    Is this Sitara MCU AM243x only support above signed format or else we can flash directly .out(binary) without signing or converting into .appimage ?

    The example implementation of SBL is provided by TI. The example uses RPRC and Multicore Image format. Users are free to create their own bootloader with their own way of parsing the image. This is just an example implementation. If you find *.out file as a better solution, then you can have an ELF parser in your custom bootloader and use the same.

    Another option to use the *.out file directly is by programming the SBL NULL in the device and then load the image via debugger.

    Hope this helps.

    Best Regards,
    Aakash