// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go: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() {

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build linux && (ppc64 || ppc64le)

package runtime

import "internal/cpu"

func archauxv(tag, val uintptr) {
	switch tag {
	case _AT_HWCAP:
		// ppc64x doesn't have a 'cpuid' instruction
		// equivalent and relies on HWCAP/HWCAP2 bits for
		// hardware capabilities.
		cpu.HWCap = uint(val)

// Copyright 2018 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.

//go:build freebsd && !arm

package runtime

func archauxv(tag, val uintptr) {

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build linux && (mips64 || mips64le)

package runtime

import "internal/cpu"

func archauxv(tag, val uintptr) {
	switch tag {
	case _AT_HWCAP:
		cpu.HWCap = uint(val)
	}
}

func osArchInit() {}

//go:nosplit
func cputicks() int64 {

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build arm64

package runtime

import "internal/cpu"

func archauxv(tag, val uintptr) {
	switch tag {
	case _AT_HWCAP:
		cpu.HWCap = uint(val)
	}
}

func osArchInit() {}

//go:nosplit
func cputicks() int64 {

// license that can be found in the LICENSE file.

//go:build ppc64 || ppc64le

package cpu

// ppc64 doesn't have a 'cpuid' equivalent, so we rely on HWCAP/HWCAP2.
// These are initialized by archauxv and should not be changed after they are
// initialized.
var HWCap uint
var HWCap2 uint

// HWCAP bits. These are exposed by Linux.
const (
	// ISA Level
	hwcap2_ARCH_2_07 = 0x80000000

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package runtime

import "internal/cpu"

const (
	_HWCAP_VX = 1 << 11 // vector facility
)

func archauxv(tag, val uintptr) {
	switch tag {
	case _AT_HWCAP:
		cpu.HWCap = uint(val)
	}
}

func osArchInit() {}

func checkS390xCPU() {
	// Check if the present z-system has the hardware capability to carryout

// Copyright 2022 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.

//go:build linux && loong64

package runtime

func archauxv(tag, val uintptr) {}

// license that can be found in the LICENSE file.

//go:build linux && !arm && !arm64 && !loong64 && !mips && !mipsle && !mips64 && !mips64le && !s390x && !ppc64 && !ppc64le

package runtime

func archauxv(tag, val uintptr) {

// 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.

//go:build linux && (mips || mipsle)

package runtime

func archauxv(tag, val uintptr) {
}

func osArchInit() {}

//go:nosplit
func cputicks() int64 {
	// nanotime() is a poor approximation of CPU ticks that is enough for the profiler.
	return nanotime()
}

const (