• RTX. Run threads in unprivileged mode, switch to privileged mode when needed
    How to run RTX threads in unprivileged mode, yet access privileged resources (e.g. SCB) when needed. Uses user-defined SVC calls. In our example, the idler thread wants to put the CPU into low-power...
  • RTX. Run threads in unprivileged mode, switch to privileged mode when needed
    How to run RTX threads in unprivileged mode, yet access privileged resources (e.g. SCB) when needed. Uses user-defined SVC calls. In our example, the idler thread wants to put the CPU into low-power...
  • 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...
  • 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+ privileged/unprivileged extensions
    Hi all, According with ARMv6-M architecture reference manual, it supports two operation modes, handler mode and thread mode. - "execution in handler mode is always privileged." - "execution in...