• On a watchpoint synchronous data abort, how do I determine the data address?
    I have code that sets up watchpoints, and handles them in the data abort handler. However, I would like to be able to compute the data address. I have the PC value, but I haven't been able to find a source...
  • Precise abort vs synchronous abort in armv7
    I am new to arm architecture. I am reading exception handling from ARM cortex-A series programming guide. I have confusion about the technical difference between precise abort and synchronous abort or...
  • armv7a/armv8 : Undefined Abort Exception and MMU
    Hi ! When MMU is enabled, and a undefined abort exception is triggered, are we sure that the address stored in the `lr` / `elr_elx` registers is actually mapped by the MMU, or should I check that before...
  • Data abort, External abort.. How can i find cause????
    Hi, experts I'm developing Secure OS on A57/53 bit.LITTLE SoC. But as you know.. Cuz i'm really beginner.. I beg your wisdom... Current situation is : For making a TA. Bring the related data from REE...
  • ATCM ECC error causes prefetch abort despite ECC check being disabled.
    Hello, I am working with TI's TMS570LS3137 (ARM Cortex R4F). A certain part of my code consistently causes a prefetch abort (I say part because the exact location seems to vary slightly). To try...