• How does ARM11 respond to a non-secure interrupt in secure mode?
    Note: This was originally posted on 19th March 2009 at http://forums.arm.com Hi All, Assuming that ARM11 is running a secure process and receives a non-secure IRQ or FIQ, how does ARM11 respond to a non...
  • Can a Linux kernel run as a TrustZone secure OS?
    I have a samsung exynos 4412(Cortex-A9) development board. There is a simple secure os that can run on it. The normal os is Android. Now I am trying to select linux as the secure os.  The linux kernel...
  • A TCM problem
    Hi all Here is a problem about the using of TCM. I put two functions(they are just the same) of time-delay in the ITCM and the normal RAM, using the scatter file, and execute them one after another. But...
  • Is there enough processing horsepower in the ARM1176 processor ....
    .... to take a 200 kHz digital pulse train input and turn it in to a 41.7 kHz output pulse train? I want to use an ISR to detect the rising edge of a pulse train, determine if it is time to output a pulse...
  • Arm11 clock
    Note: This was originally posted on 13th October 2008 at http://forums.arm.com Hello, Does anyone know if there is a timestamp clock in Arm? Something like the RDTSC in intel? Or some other high frequency...