• Priority Drop and Deactivation Interrupts at EL2

    Hello 

    I'm working on the Bootloader stage (EL2), I'm trying to enable Interrupts with gic v3 in that stage

    I've enabled routing IRQ, FIQ and Aborts from EL0, EL1 and EL2 to EL2  using these piece of code 

    MRS X0, HCR_EL2
    AND X0, X0, 0xFFFFFF…

  • System wide cache flush

    Hello,

    I'm working with i.MX8DX (Dual Core CortexA35 + CortexM4) with the following simplified caching system:

    My need is to flush a cached memory area to RAM in order to be viewed by the M4 core, unfortunately this area maybe cached by Core 0 and…

  • System Frequency for CortexA35

    Hello,

    For a CortexA35, when reading the system counter clock frequency CNTFRQ_EL0, I found out that the frequency is 8 MHz.

    Is this normal? For a target running in GHz?

    The target is i.MX8QXP (Quad-Core CortexA35).

  • What ARMv8.x revision Cortex-A35 is?

    Hi,

    ARMv8-A specification mentions revisions and options. I cannot find Cortex-A35 adheres to which exact version: ARMv8.1, 8.2, 8.3? I want to know which of the extensions described in the generic ARMv8-A spec are really available in that core.

    Thanks…