Gecko [ 167.86.127.34 ]

Name	Size	Permission
cpu.go	7.02 KB	-rw-r--r--
cpu_386.go	194 B	-rw-r--r--
cpu_amd64.go	196 B	-rw-r--r--
cpu_arm.go	882 B	-rw-r--r--
cpu_arm64.go	3.38 KB	-rw-r--r--
cpu_mips.go	201 B	-rw-r--r--
cpu_mips64.go	201 B	-rw-r--r--
cpu_mips64le.go	201 B	-rw-r--r--
cpu_mipsle.go	201 B	-rw-r--r--
cpu_no_init.go	309 B	-rw-r--r--
cpu_ppc64x.go	1.36 KB	-rw-r--r--
cpu_riscv64.go	201 B	-rw-r--r--
cpu_s390x.go	5.75 KB	-rw-r--r--
cpu_s390x.s	2.2 KB	-rw-r--r--
cpu_s390x_test.go	1.44 KB	-rw-r--r--
cpu_test.go	1.69 KB	-rw-r--r--
cpu_wasm.go	201 B	-rw-r--r--
cpu_x86.go	2.69 KB	-rw-r--r--
cpu_x86.s	576 B	-rw-r--r--
cpu_x86_test.go	1.25 KB	-rw-r--r--
export_test.go	200 B	-rw-r--r--

Code Editor : cpu_ppc64x.go

// Copyright 2017 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 ppc64 ppc64le

package cpu

const CacheLinePadSize = 128

// ppc64x doesn't have a 'cpuid' equivalent, so we rely on HWCAP/HWCAP2.
// These are initialized by archauxv in runtime/os_linux_ppc64x.go.
// These should not be changed after they are initialized.
// On aix/ppc64, these values are initialized early in the runtime in runtime/os_aix.go.
var HWCap uint
var HWCap2 uint

// HWCAP/HWCAP2 bits. These are exposed by the kernel.
const (
	// ISA Level
	PPC_FEATURE2_ARCH_2_07 = 0x80000000
	PPC_FEATURE2_ARCH_3_00 = 0x00800000

// CPU features
	PPC_FEATURE2_DARN = 0x00200000
	PPC_FEATURE2_SCV  = 0x00100000
)

func doinit() {
	options = []option{
		{Name: "darn", Feature: &PPC64.HasDARN},
		{Name: "scv", Feature: &PPC64.HasSCV},
		{Name: "power9", Feature: &PPC64.IsPOWER9},

// These capabilities should always be enabled on ppc64 and ppc64le:
		{Name: "power8", Feature: &PPC64.IsPOWER8, Required: true},
	}

// HWCAP2 feature bits
	PPC64.IsPOWER8 = isSet(HWCap2, PPC_FEATURE2_ARCH_2_07)
	PPC64.IsPOWER9 = isSet(HWCap2, PPC_FEATURE2_ARCH_3_00)
	PPC64.HasDARN = isSet(HWCap2, PPC_FEATURE2_DARN)
	PPC64.HasSCV = isSet(HWCap2, PPC_FEATURE2_SCV)
}

func isSet(hwc uint, value uint) bool {
	return hwc&value != 0
}

${this.title}

Code Editor : cpu_ppc64x.go