• 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...
  • 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...
  • Does TLB save level-1 page directory entries?
    Note: This was originally posted on 18th March 2009 at http://forums.arm.com Hi All, In ARM1176, does TLB save level-1 page directory entries? I know that section's descriptor is saved in level-1 page...
  • 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...