• Question about ARM exception and CPSR status
    Hi , for ARMv7-A15, when an exception is issued, such like a "smc #0" instruction in supervisor mode, ARM hardware will jump into the vector and CPSR will be changed in monitor mode. my question is, what...
  • Cortex-A8 boot up cpsr status
    Hi, I have a beaglebone black and running a very basic app using starterware. As soon as the app starts executing i copy the CPSR values in memory. The value of CPSR is super surprising 6000019f which...
  • 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...
  • Exponential Function on ARM7
    Note: This was originally posted on 16th October 2008 at http://forums.arm.com Hello I am doing a project of Artificial Neural Network Implementation on ARM core. I wanted to know if exponential operations...
  • RTOS ARM7 BOARD
    I'd like to create an RTOS on board of NXP - LPC2138 can any one help me which program shall i use it to perform ; and the code ; thank you very much ?