Source file src/pkg/vendor/golang.org/x/sys/cpu/cpu_aix_ppc64.go

     1	// Copyright 2019 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 aix,ppc64
     6	
     7	package cpu
     8	
     9	const cacheLineSize = 128
    10	
    11	const (
    12		// getsystemcfg constants
    13		_SC_IMPL     = 2
    14		_IMPL_POWER8 = 0x10000
    15		_IMPL_POWER9 = 0x20000
    16	)
    17	
    18	func init() {
    19		impl := getsystemcfg(_SC_IMPL)
    20		if impl&_IMPL_POWER8 != 0 {
    21			PPC64.IsPOWER8 = true
    22		}
    23		if impl&_IMPL_POWER9 != 0 {
    24			PPC64.IsPOWER9 = true
    25		}
    26	
    27		Initialized = true
    28	}
    29	
    30	func getsystemcfg(label int) (n uint64) {
    31		r0, _ := callgetsystemcfg(label)
    32		n = uint64(r0)
    33		return
    34	}
    35	

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