| Linux in-mum-web1499.main-hosting.eu 5.14.0-503.40.1.el9_5.x86_64 #1 SMP PREEMPT_DYNAMIC Mon May 5 06:06:04 EDT 2025 x86_64 Path : /opt/golang/1.22.0/src/internal/cpu/ |
| Current File : //opt/golang/1.22.0/src/internal/cpu/cpu_arm64_openbsd.go |
// 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 arm64
package cpu
const (
// From OpenBSD's sys/sysctl.h.
_CTL_MACHDEP = 7
// From OpenBSD's machine/cpu.h.
_CPU_ID_AA64ISAR0 = 2
_CPU_ID_AA64ISAR1 = 3
)
//go:noescape
func sysctlUint64(mib []uint32) (uint64, bool)
func osInit() {
// Get ID_AA64ISAR0 from sysctl.
isar0, ok := sysctlUint64([]uint32{_CTL_MACHDEP, _CPU_ID_AA64ISAR0})
if !ok {
return
}
parseARM64SystemRegisters(isar0)
}