Browse By Tags

  • How Can I jump from EL1 to EL0 in bare metal environment

    Hello,

    I am working with a port of FreeRTOS on Arm64 soc , which is running at EL1, my goal is to perform a function call that will execute in EL0,

    I have come to understand that the only way for the EL switch is to set the correct M bits of the spsr_el1…

  • What are the necessary preconditions to load a guest into EL1 from EL2?

    I have successfully moved from EL3 to EL2. After doing some initialization I am trying to move from EL2 into EL1 with a very simple guest image. My process looks like:

    • Map EL1 memory into EL2
    • Copy EL1 image to RAM
    • Initialize sctlr_el1 = 0x30d00800