• [ARM GICv3 - GIC Stream protocol] An interrupt being retrieved from a CPU interface!
    Hi all, I am investigating the GIC Stream protocol and having a confusing issue as the title. The figure below shows the case that an interrupt is retrieved from CPU interface. As explained in...
  • To generate a FIQ from ARM GIC apart from setting GICC_CTLR.FIQEn what else needs to be configured?
    I'm just trying to generate an FIQ from GIC .All the interrupts are by default grouped to Group0 and apart from setting FIQEn trying to understand what else needs to be configured..
  • about affinity routing in GICv3 (can't understand a figure in the document)
    I was reading the document "GICv3_Software_Overview_Official_Release_B.pdf". In page 8, I see this figure. it shows for each GIC version, how the modes are set by the registers for each exception...
  • Max DMA transfer speed
    Note: This was originally posted on 4th January 2009 at http://forums.arm.com My application requires that I transfer data from a external device connected via one of the gpio ports. I need to transfer...
  • New online training course - Arm GICv3/v4 Essentials
    We are very pleased to announce a new online training topic – Arm GICv3/v4 Essentials . About the course This course brings the subject of Arm’s Generic Interrupt Controller (GIC) architecture specification...