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 7 package cpu 8 9 func 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