• 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...
  • Precise/Imprecise data abort in arm processor
    Hi all i am new ARM processor. Can anyone explain clearly in simple terms what is Precise/Imprecise data abort in arm processor.?
  • EL1 behavior when MMU is off
    Hi, I am facing issues with EL1 Guest OS.  I have enabled EL2 stage 2 page tables and set up all the virtualization registers {HCR_EL2, VTCR_EL2 and VTTBR_EL2 etc.} I am mapping my Guest OS memory to...
  • 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.