• Cortex-M23 FVP hard faults when using DS-5 Debugger
    Hi, I'm starting to explore this technology by running the TrustZone example application in Linux using GNU ARM Toolchain. This example is provided by a CMSIS software pack containing this example called...
  • secure function call from none-secure side thread mode
    In current trusted-firmware-m version, secure functions such as secure storage service functions can only be called from handler mode. But I have a question about the call sequence, when none secure...
  • Can we use same peripheral in secure and non secure world simultaneoulsy ?
    Hi, Can we use a particular device in secure and non secure mode simultaneously without switching between modes? Can it be done by by configuring/partitioning the address space of device ? Thanks...
  • Calling non-secure Reset Handler from Secure main
    Hi, I am trying to run the example for ARMCM33_DSP_FP_TZ code provided in Keil MDK on a new Cortex-M33 MCU by our company. I have made necessary edits to the linker script to assign the correct values...
  • Non-secure peripheral with a secure interrupt handler
    Hi, I was wondering if it was possible to configure a peripheral to be in non-secure mode and have the interrupt handler associated with the peripheral run in secure mode? Basically by not setting...