blob: 0c4794a70acf33af1a95587d323be88b3a49dd34 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
// 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
}
|
