github.com/sandwichdev/go-internals@v0.0.0-20210605002614-12311ac6b2c5/cpu/cpu_arm64.go (about)

     1  // Copyright 2017 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  package cpu
     6  
     7  const CacheLinePadSize = 64
     8  
     9  func doinit() {
    10  	options = []option{
    11  		{Name: "aes", Feature: &ARM64.HasAES},
    12  		{Name: "pmull", Feature: &ARM64.HasPMULL},
    13  		{Name: "sha1", Feature: &ARM64.HasSHA1},
    14  		{Name: "sha2", Feature: &ARM64.HasSHA2},
    15  		{Name: "crc32", Feature: &ARM64.HasCRC32},
    16  		{Name: "atomics", Feature: &ARM64.HasATOMICS},
    17  		{Name: "cpuid", Feature: &ARM64.HasCPUID},
    18  		{Name: "isNeoverseN1", Feature: &ARM64.IsNeoverseN1},
    19  		{Name: "isZeus", Feature: &ARM64.IsZeus},
    20  	}
    21  
    22  	// arm64 uses different ways to detect CPU features at runtime depending on the operating system.
    23  	osInit()
    24  }
    25  
    26  func getisar0() uint64
    27  
    28  func getMIDR() uint64