• Purpose of EL0 EL1 ..
    Hi all, ARMV8 has number of exception levels as EL0 , EL1, EL2, EL3 .. How this is managed and what is the exact use case of the same ?
  • ARMv8 Secure EL1 problem
    Hi, arm experts, We want to use ARCH32 mode in secure EL1, I see some descriptions in ARMv8 Arch Reference Manual about Secure EL1 ARCH32 mode as follows: One is the VBAR(secure), it is mapped to  VBAR_EL3...
  • ARMv8 EL1 MMU
    Hi,     I am working on bootloader porting to ARM v8 platform. I am facing a problem in enabling MMU in execution level-1 EL1. I am not able to set sctlr_el1.M bit when ever i try to set this bit the...
  • c register config
    Hi i'm tring to implement code for lin interface by using driver functions for atsame70q21.i was done code it is compiled. i was debug the code check what in registers that time what i know is some...
  • MMU - Permission Fault with EL1 access
    Hello everyone, I'm trying to wrap my head around the MMU configuration for Cortex A53 armv8 architecture (AArch64). Specifically, I'm programming for Raspberry Pi 3 (Bare Metal). I've successfully...