• Armv8-M Hangs on Non-secure Interrupt Handler Exit

    Mohsen Shaaban
    Mohsen Shaaban

    Hello,

    On exiting non-secure interrupt handler, armv8-M cm33 gets in a bad state and hangs.

    I think what's happening is, on exiting non-secure handler, cpu try to restore state from a secure area, I see "sec_err_irq_mpc" fires right after non-secure irq…

    • Answered
    • 2 months ago
    • Software Tools
    • Arm Development Studio forum
  • Changing Exception Level and Security State with an Armv8-A Fixed Virtual Platform

    tmeduthie
    tmeduthie

    In my last couple of blogs we built an ELF image to expose some features of the Armv8-A architecture and toolchain for embedded software development. We got to a point where we could print "hello world" to a telnet console, and enable interrupts on the…

    • changing_exception_level_code.zip
    • over 2 years ago
    • Software Tools
    • Tools, Software and IDEs blog
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