# hv_gic_get_icc_reg(_:_:_:) Reads a generic interrupt controller’s ICC CPU system register. ``` func hv_gic_get_icc_reg(_ vcpu: hv_vcpu_t, _ reg: hv_gic_icc_reg_t, _ value: UnsafeMutablePointer) -> hv_return_t ``` ## Parameters `vcpu` The handle for the vCPU. `reg` The value that represents the GIC ICC system register. `value` A pointer to ICC register value that the framework writes to upon success. ## Return Value [`HV_SUCCESS`](/documentation/Hypervisor/HV_SUCCESS) on success; otherwise, an error code. ## Discussion --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)