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 ppc64 ppc64le 6 7 package runtime 8 9 // For go:linkname 10 import _ "unsafe" 11 12 // ppc64x doesn't have a 'cpuid' instruction equivalent and relies on 13 // HWCAP/HWCAP2 bits for hardware capabilities. 14 15 //go:linkname cpu_hwcap internal/cpu.ppc64x_hwcap 16 //go:linkname cpu_hwcap2 internal/cpu.ppc64x_hwcap2 17 var cpu_hwcap uint 18 var cpu_hwcap2 uint 19 20 func archauxv(tag, val uintptr) { 21 switch tag { 22 case _AT_HWCAP: 23 cpu_hwcap = uint(val) 24 case _AT_HWCAP2: 25 cpu_hwcap2 = uint(val) 26 } 27 } 28
