• Cortex-A8 - accessing banked registers from monitor mode

    Jitesh Shah
    Jitesh Shah
    Note: This was originally posted on 20th March 2012 at http://forums.arm.com

    Hi Group,
    I am working on a Cortex A-8 Processor (ARMv7-a architecture). I am in the monitor mode and trying to access SP of the SVC mode.

    I know two ways I can do it:

    1) Using the…
    • over 6 years ago
    • Processors
    • Cortex-A / A-Profile forum

  • How to access the memory mapped debug registers?

    Juha Aaltonen
    Juha Aaltonen

    Now that the funny PABT-behaviour is found to be (probably) caused ny debug state, I'd like to exit debug state before return from PABT exception. The ARM v7-A/R ARM says that I should write RRQ to DBGDRCR, but it seems that in Cortex-A7 it's not accessible…

    • Answered
    • over 4 years ago
    • System
    • Embedded forum