• MPU
    Hi Using STM32f4 Board, I am enabling MPU in between any code (simple program) always causing memory management fault on debugging fault that ( IACCVIOL) bit is set, It means Attempting...
  • CM4: Is DAP immune to MPU protections?
    Can the DAP cause exceptions by performing illegal instruction in spaces protected by MPU or is it immune? Trying my hand at setting up MPU but I cannot get it to fire - thought it might not be possible...
  • CM4: Write buffer with enabled MPU
    Hello, I have a question regarding Memory protection unit on Cortex M4 (STM32F3 MCU). This is pretty simple single core MCU without caches. I implemented MPU based on instructions in Definitive guide...
  • MPU is not triggering MemFault or HardFault
    MPU is not triggering MemManage fault. I want to protect a memory region of 64 bytes starting from 0x20000000. I've configured the MPU registers accordingly, but when I write in a protected memory location...
  • Make MPU be uniprocessor system
    I'm creating a bare metal program on Cortex-A7, Then, a bit 30 of MPIDR, that is 'U', is '0'. Could anybody tell me how to make the bit be '1'? Thank you.