github.com/x04/go/src@v0.0.0-20200202162449-3d481ceb3525/runtime/os_openbsd_arm64.go (about)

     1  // Copyright 2019 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package runtime
     6  
     7  import (
     8  	"github.com/x04/go/src/internal/cpu"
     9  )
    10  
    11  //go:nosplit
    12  func cputicks() int64 {
    13  	// Currently cputicks() is used in blocking profiler and to seed runtime·fastrand().
    14  	// runtime·nanotime() is a poor approximation of CPU ticks that is enough for the profiler.
    15  	return nanotime()
    16  }
    17  
    18  func sysargs(argc int32, argv **byte) {
    19  	// OpenBSD does not have auxv, however we still need to initialise cpu.HWCaps.
    20  	// For now specify the bare minimum until we add some form of capabilities
    21  	// detection. See issue #31746.
    22  	cpu.HWCap = 1<<1 | 1<<0	// ASIMD, FP
    23  }