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// Copyright 2018 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 linux
// +build ppc64 ppc64le
package cpu
const cacheLineSize = 128
// HWCAP/HWCAP2 bits. These are exposed by the kernel.
const (
// ISA Level
_PPC_FEATURE2_ARCH_2_07 = 0x80000000
_PPC_FEATURE2_ARCH_3_00 = 0x00800000
// CPU features
_PPC_FEATURE2_DARN = 0x00200000
_PPC_FEATURE2_SCV = 0x00100000
)
func doinit() {
// HWCAP2 feature bits
PPC64.IsPOWER8 = isSet(hwCap2, _PPC_FEATURE2_ARCH_2_07)
PPC64.IsPOWER9 = isSet(hwCap2, _PPC_FEATURE2_ARCH_3_00)
PPC64.HasDARN = isSet(hwCap2, _PPC_FEATURE2_DARN)
PPC64.HasSCV = isSet(hwCap2, _PPC_FEATURE2_SCV)
}
func isSet(hwc uint, value uint) bool {
return hwc&value != 0
}
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