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4k boundary in AXI

vidya

Why the word boundary in AXI is 4k?

Parents
  • +1

    This seems like a popular question, if you put ''4K AXI boundary' into search above a whole pile of queries comes up. Here is a straightforward answer:

    4-kbyte boundary space

    plus as well 4K is the minimum page size on ARM so there should be no funnies changing pages inside such a block size.

    In fact I think they supported 1K pages years and years ago but certainly not for a very long time

Reply
  • +1

    This seems like a popular question, if you put ''4K AXI boundary' into search above a whole pile of queries comes up. Here is a straightforward answer:

    4-kbyte boundary space

    plus as well 4K is the minimum page size on ARM so there should be no funnies changing pages inside such a block size.

    In fact I think they supported 1K pages years and years ago but certainly not for a very long time

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