1// Copyright 2018 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 7package cpu 8 9const cacheLineSize = 128 10 11// HWCAP/HWCAP2 bits. These are exposed by the kernel. 12const ( 13 // ISA Level 14 _PPC_FEATURE2_ARCH_2_07 = 0x80000000 15 _PPC_FEATURE2_ARCH_3_00 = 0x00800000 16 17 // CPU features 18 _PPC_FEATURE2_DARN = 0x00200000 19 _PPC_FEATURE2_SCV = 0x00100000 20) 21 22func doinit() { 23 // HWCAP2 feature bits 24 PPC64.IsPOWER8 = isSet(HWCap2, _PPC_FEATURE2_ARCH_2_07) 25 PPC64.IsPOWER9 = isSet(HWCap2, _PPC_FEATURE2_ARCH_3_00) 26 PPC64.HasDARN = isSet(HWCap2, _PPC_FEATURE2_DARN) 27 PPC64.HasSCV = isSet(HWCap2, _PPC_FEATURE2_SCV) 28} 29 30func isSet(hwc uint, value uint) bool { 31 return hwc&value != 0 32} 33