| // Copyright 2020 The Go Authors. All rights reserved. | |
| // Use of this source code is governed by a BSD-style | |
| // license that can be found in the LICENSE file. | |
| // +build arm64 | |
| // +build !linux | |
| // +build !freebsd | |
| // +build !android | |
| // +build !darwin ios | |
| package cpu | |
| func osInit() { | |
| // Other operating systems do not support reading HWCap from auxiliary vector, | |
| // reading privileged aarch64 system registers or sysctl in user space to detect | |
| // CPU features at runtime. | |
| } |