blob: 58fbd3db93dbfd1fb7942edbb970c5398d0406c2 [file] [log] [blame]
// Copyright 2019 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 mips64 mips64le
package cpu
// const CacheLinePadSize = 32
// This is initialized by archauxv and should not be changed after it is
// initialized.
var HWCap uint
// HWCAP bits. These are exposed by the Linux kernel 5.4.
const (
// CPU features
hwcap_MIPS_MSA = 1 << 1
)
func doinit() {
options = []option{
{Name: "msa", Feature: &MIPS64X.HasMSA},
}
// HWCAP feature bits
MIPS64X.HasMSA = isSet(HWCap, hwcap_MIPS_MSA)
}
func isSet(hwc uint, value uint) bool {
return hwc&value != 0
}