Boost Processor Efficiency and Support Interrupt Virtualization
A generic interrupt controller (GIC) is an exclusive block of IP that performs critical interrupt management, prioritization, and routing. GICs are primarily used for boosting processor efficiency and supporting interrupt virtualization. Arm has several generic interrupt controllers that provide a range of interrupt management solutions for all types of Arm Cortex multiprocessor systems.
Features and Benefits
Arm GIC provides a scalable, high-performance interrupt delivery to virtual machines in multi-chiplet/socket platforms to enable powerful infrastructure SoCs.
Arm offers a high-performance path for accelerator interrupts to be delivered to virtual machines.
Arm CoreLink SMMU and GIC are supported on the main open-source Linux platform, and the latest architecture provides further enhancements to IO virtualization.
Arm CoreLink GIC-720AE and GIC-600AE are designed for high-performance systems in automotive use cases, targeting ASIL B to ASIL D safety integrity levels.
Arm CoreLink Generic Interrupt Controller Family
CoreLink GIC-720AE
Enabling functional safety applications up to ASIL D, CoreLink GIC-720AE delivers all GIC-700 capabilities and supports both real-time and application processors, together with added functional safety features and mixed-criticality workloads.
CoreLink GIC-700
A GICv4.1-compliant interrupt controller, GIC-700 hardware accelerates the delivery of virtual interrupt to virtual machines, providing significant system performance improvements over Arm CoreLink GIC-600.
CoreLink GIC-600AE
Software compatible with GIC-600, it includes additional safety features targeting ASIL B to ASIL D systems, with fault management units for error detection and reporting. The CoreLink GIC-600AE is part of the Arm Safety Ready program.
CoreLink GIC-600
Detects, manages, virtualizes, and distributes interrupts for Armv8.0-A processor. Configurable up to 512 processor threads per chip, up to 16 chips, and 960 shared interrupts.
CoreLink GIC-500
Detects, manages, virtualizes, and distributes interrupts for Armv8.0-A processor. Configurable up to 128 single-threaded cores and 960 shared interrupts.
CoreLink GIC-400
Detects, manages, and virtualizes interrupts for Armv7 processor. Configurable up to 8 cores and 480 shared interrupts.
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Functional safety is a critical element in the design of any system that requires a high level of reliability. Arm’s Safety Ready program is a collection of products across the Arm portfolio that have been through various and rigorous levels of functional safety systematic flows and development.
GIC Resources
Everything you need to know to make the right decision for your project. Includes technical documentation, industry insights, and where to go for expert advice.
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