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Using SysBIOS Config to place System Stack in to L2 Cache mapped as SRAM.

DaveB123
Expert 4745 points
Other Parts Discussed in Thread: SYSBIOS

The goal here is to improve Interrupt performance by either forcing the System Stack to L2 or having it managed by the cache.

As far as I know the system stack location is controlled by DSP/Bios in the sysBios cfg file.

What exactly would need to be done to tell sysBios that the system stack should be placed at a specific location.

(Probably need to move this to the BIOS forum...)

  • 0
    TI__Mastermind 37985 points

    Dave,
    RTSC memory management guide describes various aspects of memory management used in SYS/BIOS. This part of the doc that deals with the sections placements seems the most relevant to your question about allocating stack to L2 memory. Now, depending on the platform you are using you may already have L2 memory configured as SRAM, so there is nothing else to do. In some other cases, you have to configure that too.

    Please post more details about your environment (version of CCS, BIOS, XDCtools) in case you need more detailed information.