1// Copyright 2020 The Go Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style 3// license that can be found in the LICENSE file. 4 5//go:build arm64 && !linux && !freebsd && !android && (!darwin || ios) && !openbsd 6 7package cpu 8 9func osInit() { 10 // Other operating systems do not support reading HWCap from auxiliary vector, 11 // reading privileged aarch64 system registers or sysctl in user space to detect 12 // CPU features at runtime. 13} 14