Files
sys/cpu/cpu_linux_mips64x.go
Joel Sing d785dc2583 cpu: add missing build tag for linux
The code in this file is specific to linux and does not build on other
mips64x platforms.

Change-Id: Ic27eedf06f39a7d2c51f5b261d957eed04e5df0b
Reviewed-on: https://go-review.googlesource.com/c/sys/+/249318
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2020-08-19 17:11:15 +00:00

24 lines
481 B
Go

// Copyright 2020 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 linux
// +build mips64 mips64le
package cpu
// HWCAP bits. These are exposed by the Linux kernel 5.4.
const (
// CPU features
hwcap_MIPS_MSA = 1 << 1
)
func doinit() {
// HWCAP feature bits
MIPS64X.HasMSA = isSet(hwCap, hwcap_MIPS_MSA)
}
func isSet(hwc uint, value uint) bool {
return hwc&value != 0
}