github.com/zxy12/go_duplicate_112_new@v0.0.0-20200807091221-747231827200/src/runtime/os_linux_ppc64x.go (about)

     1  // Copyright 2016 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  // +build linux
     6  // +build ppc64 ppc64le
     7  
     8  package runtime
     9  
    10  import "internal/cpu"
    11  
    12  func archauxv(tag, val uintptr) {
    13  	switch tag {
    14  	case _AT_HWCAP:
    15  		// ppc64x doesn't have a 'cpuid' instruction
    16  		// equivalent and relies on HWCAP/HWCAP2 bits for
    17  		// hardware capabilities.
    18  		cpu.HWCap = uint(val)
    19  	case _AT_HWCAP2:
    20  		cpu.HWCap2 = uint(val)
    21  	}
    22  }