ARMv7 ARMv8 Arm Generic Interrupt Controller (GIC) Architecture Specification; GICv3 and GICv4. This documentation provides technical information for users who want to design; implement; or program an ARM GIC. It describes GIC interfaces and registers and how to implement the GIC in uniprocessor or multiprocessor systems. Cortex-A7 Cortex-A9 Cortex-A12 Cortex-A15 Cortex-A17 Cortex-A53 Cortex-A57 Cortex-A72 Cortex-A series GIC GIC-500 controllers interrupt