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  • GICR_WAKER.ChildrenAsleep conditions to go to 0x0, post PE power-up

    As stated in GIC v3 Arch: After powering up a PE, software must set ProcessorSleep to 0 and wait until ChildrenAsleep == 0.

    Can you please also state the conditions for GICR_WAKER.ChildrenAsleep to go 0? As in my case at a particular operating frequenc…

  • [ARM GICv3 - GIC Stream protocol] An interrupt being retrieved from a CPU interface!

    Hi all,

    I am investigating the GIC Stream protocol and having a confusing issue as the title.

    The figure below shows the case that an interrupt is retrieved from CPU interface.

    As explained in the GIC Stream Specification, there may be 2 reasons:

    1. The…