• What are hints?
    What does it mean that an instruction is a hint instruction, like NOP, YIELD and WFE? I haven't found any explanations in ARM Architecture Reference Manual, ARMv7-A and ARMv7-R edition, Issue C. ...
  • range of BL instruction in arm state
    range of BL instruction in arm state is + or - 32MB as per instruction set.how...........?
  • UPREDICTABLE instructions
    Any idea about instructions marked as UNPREDICTABLE: can it then be UNDEFINED? In other words: UNDEFINED REQUIRES the instruction to cause UND-exception, but MAY UNPREDICTABLE do that, or does it...
  • Return address from FIQ_Handler. Do we come back to the next instruction?
    Is it MOVS pc, r14 or SUBS pc, r14, #4 This is written in the ARMDEN0013D. but in the table it says next instruction whereas the SUBS pc, r14, #4 means the instruction which was interrupted.
  • I am currently an eighth grader but I have a deep interest in ARM processors, since I'm a neophyte but I have great interest could u tell me what makes ARM processors so significant? Why? Thank you :)
    would u mind telling me please I'm really interested in this kind of stuffs.