• Aarch32 app performance on ARMv8a device
    Hi , I am running aarch32 app in ARMv8a( cortex-a57 ) device.  The performance reports ( using gettimeofday() utility ), showing  large spikes on random calls. But the same app on ARMv7a( cortex-a15 ...
  • Development with ARMv8a debug (and watchpoint) registers.
    Hello folks, I have two simple questions related to the debug exceptions on ARMv8. I expect the debug related registers such as DBGWCR, DBGWVR, DBGBCR and DBGBVR to be common for all processor cores...
  • System level Implementation of Generic Timer in Cortex A53
    Hi, Im new to ARM. Im learning generic timers in cortex a-53. I wanted to know whats the meaning of "system level implementation" of Generic Timer and "PE implementations" of the Generic Timer. How...
  • Getting started with security software for ARMv8A based platforms
    You may have seen that ARM has been developing some low level trusted firmware to provide reference code that supports Secure World software on the latest v8A technology based chips.   The software is...
  • Generic Timer in Cortex A-53
    What is the input & output of system counter? What is it's purpose? How to start/stop it? What is the input & output of Physical counter? What is it's purpose? How to start/stop it? What are the...