• Data Abort Exception in A53
    Hello, I am working on Cortex-A53  and using Cortex-A53 DSM Model in my design. We are getting Data Abort exception on a read to ROM address and ESR_EL3 register showing its a DECERR External error. MMU...
  • 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...
  • Asynchronous External Abort and Trustzone
    Hi ! I'm currently designing a secure monitor for an ARMv7 chip (i.MX6 from NXP, cortex A9 inside) and I'm thinking on a secure way to deal with asynchronous external aborts. As I explained in a previous...
  • Data Abort on read, although write can be executed without any abort.
    I am a begginer to arm and I have a problem with understanding Data Abort that I get when reading from memory (ATCM) when I read from atcm. next pc jumps to 0x10, so Its Data Abort. However, If I...
  • ARM: 743626—An imprecise external abort, received while the  processor enters WFI, may cause a processor deadlock
    Can someone explain more about this issue, and please provide the fix for this issue.