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MSPM0L1117: How to avoid to clean specific ram memory address when software reset or jump from 2nd bootloader to app code?

Frank(EP) Liu
Expert 5240 points

Part Number: MSPM0L1117

Hi,

My customer wanst to keep the data in specific RAM address when jumping from 2nd bootloader to app code.

Can I adjust the below in cmd file?

    SRAM            (RWX) : origin = 0x20000000, length = 0x00004000
=> reserve 0x1000 from end for customer's purpose.
    SRAM            (RWX) : origin = 0x20000000, length = 0x00003000
 
BR,
frank
 
  • +1
    TI__Genius 12275 points

    Hi Frank,

    Sorry for late reply.

    Customer could achieve this function in below way:

    Firstly assign a SRAM region whose type is "NOINIT", and then define the variables that they do not want to be cleared in this noinit sector.