35 lines
609 B
Go
35 lines
609 B
Go
// Copyright 2019 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build aix,ppc64
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package cpu
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const cacheLineSize = 128
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const (
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// getsystemcfg constants
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_SC_IMPL = 2
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_IMPL_POWER8 = 0x10000
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_IMPL_POWER9 = 0x20000
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)
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func init() {
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impl := getsystemcfg(_SC_IMPL)
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if impl&_IMPL_POWER8 != 0 {
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PPC64.IsPOWER8 = true
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}
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if impl&_IMPL_POWER9 != 0 {
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PPC64.IsPOWER9 = true
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}
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Initialized = true
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}
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func getsystemcfg(label int) (n uint64) {
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r0, _ := callgetsystemcfg(label)
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n = uint64(r0)
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return
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}
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