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cpu_aix.go (619B)

      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 //go:build aix
      6 // +build aix
      7 
      8 package cpu
      9 
     10 const (
     11 	// getsystemcfg constants
     12 	_SC_IMPL     = 2
     13 	_IMPL_POWER8 = 0x10000
     14 	_IMPL_POWER9 = 0x20000
     15 )
     16 
     17 func archInit() {
     18 	impl := getsystemcfg(_SC_IMPL)
     19 	if impl&_IMPL_POWER8 != 0 {
     20 		PPC64.IsPOWER8 = true
     21 	}
     22 	if impl&_IMPL_POWER9 != 0 {
     23 		PPC64.IsPOWER8 = true
     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 }