• The madman strikes again - ADD/SUB SP
    Is there something special in the instructions ADD (SP plus register, ARM) and SUB (SP minus register)? I didn't find anything different from the basic ADD  (register) and SUB (register) except the documentation...
  • Cortex-A7 Generic Timer Clock and Operation
    Hi, I'm using NXP imx6ul-evk(single core cortex-a7 processor) and I'm trying to operate CPU at different frequencies(642MHz, 480MHz, 100MHz, 12MHz) and experiencing time drift on certain frequencies...
  • Does Cortex-A7 have the ability to send a 128-bits exclusive transaction?
    According to related manuals, I see that Cortex-A7 is able to send 8-bits, 16-bits, 32-bits, and 64-bits exclusive access. I'm wondering that if it's able to send a 128-bits exclusive access or not.
  • ARM Cortex-A7 generic timer
    Hi ARM expert,     I am trying to use generic timer, but seems the generic timer wasn't enabled. My steps are: Set CNTFRQ with 1MHz Set CNTP_CVAL with 100 set CNTP_CTL with 0x00000001    4. Read CNTP_CTL...
  • multi core programming
    hi I have four functions and I am using cortex a7 processor. I want every core to execute one function. so to achieve this which registers and which manual and section should I refer too. i have placed...