• Type 2 Hypervisor with Hardware Assisted Virtualization as Cortex A15

    Muhammad Faisal
    Muhammad Faisal

    Respected Experts,

                                  I would like to know that is it possible to get the advantage of Hardware Asssited Virtualization to develop a Type 2 Hypervisor which runs on …

    • Answered
    • over 4 years ago
    • Processors
    • Cortex-A / A-Profile forum
  • v8.2 Atomic Instructions

    nathanma32
    nathanma32

    Hello,

    In the new v8.2, atomic instructions are presented which can be an alternative to the previous ld/st exclusive and other similar instructions.

    My question is what is the advantage of using atomic instructions instead of for example a pair of ld…

    • Answered
    • over 3 years ago
    • Processors
    • Cortex-A / A-Profile forum
  • ARMv8.1-A:How to disable the hardware management of the Access flag

    stay foolish
    stay foolish

    Hi ARM expert,

         I need do something when dealing with the access flag fault. But in ARMv8.1-A, there is an option of hardware management of the Access flag. Can anybody tell me how to set the option?

    Thank a lot.

    • Answered
    • over 1 year ago
    • Processors
    • Cortex-A / A-Profile forum
  • Why do we need atomicity in ARM Architecture?

    abhipandya
    abhipandya

    How does atomicity work with the memory accesses?

    • Answered
    • over 3 years ago
    • Processors
    • Cortex-A / A-Profile forum
  • [Cortex-A53] STP instruction stores out of the specified memory

    Emmy0
    Emmy0

    Hi Experts,

         I have a question about "STP" instruction in Cortex-A53.

         STP W6, W6, [SP, #20]  --> after it executes, the memory of [sp, #16] and [sp, #28] are corrupted.

         I don't know why cause it. 

        Can you help to explain the reason…

    • Answered
    • over 2 years ago
    • Processors
    • Cortex-A / A-Profile forum
  • ARMv8.1-A: Access Flag managed by Hardware

    Vincent Siles
    Vincent Siles

    Hi !

    I am currently using the Access Flag with software management, and I recently read about the v8.1 evolution with hardware management. From the reference manual:

    When the hardware management of the Access flag is enabled, in situations where, without…

    • Answered
    • over 2 years ago
    • Processors
    • Cortex-A / A-Profile forum