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How to set secondary core's registers from primary arm?

serhat

Hi all,

Im working on Keystone II Tci6638k2k(4arm+8dsp) custom design board with u-boot. I understand that how u-boot working.

U-boot gives entry point to other cores. Other cores take program counters with this way. But i want to give core registers too. Is it possible? Can primary arm access secondary arm's registers?

Best Regards.

Srt

Parents
  • 0 in reply to Yasuhiko Koumoto

    Hi,

    in the code you are providing you are able to have different core register setting depending on the core ID. But initial question was a way to set core 1 register from core 2. And that is not possible using any kind of instruction. The only way is to have :

    - core 1 setting Core 2 register value in memory

    - core 2 is having dedicated software in charge of reading this memory to get value and set its own register.

    Br

    Sebastien

Reply
  • 0 in reply to Yasuhiko Koumoto

    Hi,

    in the code you are providing you are able to have different core register setting depending on the core ID. But initial question was a way to set core 1 register from core 2. And that is not possible using any kind of instruction. The only way is to have :

    - core 1 setting Core 2 register value in memory

    - core 2 is having dedicated software in charge of reading this memory to get value and set its own register.

    Br

    Sebastien

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