• Security Extensions and Privilege Levels
    Introduction In ARM® Cortex®-A class CPUs, the Memory Management Unit (MMU) and Operating System (OS) work together to protect address spaces. A process running in unprivileged mode has its own virtual...
  • Privilege mode on CM0+
    CM0+ reference manual said the below. Unprivileged The software:      - xxxx      - xxxx      - Might have restricted access to memory or peripherals. Here, I don't know what is meaning the last line...
  • updating CPSR in USER UNPRIVILEGED mode
    as we know supervisor mode is priviliged and user is not. at reset time in debugging mode, i read the cpsr it is 0x1d3 means in supervisor mode, so i can change CPSR so i changed it to 0x1d0 which is...
  • cortex m0
    I need the ARMv6-M Architecture Reference Manual and ebrising abaut the cortex m0
  • cortex m0
    The ARMv6-M Architecture Reference Manual for my country is not aviable the dowload from the ARM oficial page, i beginin to stady the cortex M0 if any cand help me whit eny information abuat the micro...