mirror of
https://github.com/autc04/Retro68.git
synced 2024-12-03 10:49:58 +00:00
29 lines
665 B
Go
29 lines
665 B
Go
// Copyright 2016 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 ignore_for_gccgo
|
|
// +build ppc64 ppc64le
|
|
|
|
package runtime
|
|
|
|
// For go:linkname
|
|
import _ "unsafe"
|
|
|
|
// ppc64x doesn't have a 'cpuid' instruction equivalent and relies on
|
|
// HWCAP/HWCAP2 bits for hardware capabilities.
|
|
|
|
//go:linkname cpu_hwcap internal/cpu.ppc64x_hwcap
|
|
//go:linkname cpu_hwcap2 internal/cpu.ppc64x_hwcap2
|
|
var cpu_hwcap uint
|
|
var cpu_hwcap2 uint
|
|
|
|
func archauxv(tag, val uintptr) {
|
|
switch tag {
|
|
case _AT_HWCAP:
|
|
cpu_hwcap = uint(val)
|
|
case _AT_HWCAP2:
|
|
cpu_hwcap2 = uint(val)
|
|
}
|
|
}
|