• Not use a specified intruction
    Hi all. I'm using a modified 8051 cpu, and it don't have some instructions (in this case MUL). In Keil IDE, when I do some like: foo = bar << 1; Compiler translate as: MUL AB And it produce a reset...
  • data abort error
    What kind of error could it be, if one register gets a address value causing a data abort. Because this value is in the undefinend area. I wrote the code in c and I set a breakpoint befor the part...
  • Data abort error due to os_get_first
    I am using below keil version and getting data abort in os_get_first OS function. Toolchain: MDK-ARM Professional Version: 4.73.0.0 Middleware: RL-ARM Real-Time Library Version V4.01 Toolchain...
  • Data abort
    Note: This was originally posted on 30th January 2010 at http://forums.arm.com Hi ,   I am working on arm from past few momths.I have one question that in ARM why unalligned address operation will give...
  • DATA ABORT ERROR due to misßalignment