• Reason Behind EL2 in non-secured state ARMv8
    Hi Experts, What is the reason behind allowing EL2 only in non-secured state in ARMv8 ? Regards, Techguyz
  • How to trap Guest data aborts
    Hi, I am trying to understand if Guest OS data abort happens due to accessing some memory (e.g GIC distributor space) then is there any way I can route it to EL2 mode ? I looked into HCR_EL2 register...
  • EL1 behavior when MMU is off
    Hi, I am facing issues with EL1 Guest OS.  I have enabled EL2 stage 2 page tables and set up all the virtualization registers {HCR_EL2, VTCR_EL2 and VTTBR_EL2 etc.} I am mapping my Guest OS memory to...
  • 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...
  • Trap to hypervisor if the guest OS access a specific region of memory.
    Hi, Is there a way (e.g. through configuring a specific hyp register) to cause the guest OS to trap to the hypervisor in case the guest OS tries to access a specific region of memory say from address...