Source file src/runtime/os_windows_arm.go

     1	// Copyright 2018 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 "unsafe"
     8	
     9	//go:nosplit
    10	func cputicks() int64 {
    11		var counter int64
    12		stdcall1(_QueryPerformanceCounter, uintptr(unsafe.Pointer(&counter)))
    13		return counter
    14	}
    15	
    16	func checkgoarm() {
    17		if goarm < 7 {
    18			print("Need atomic synchronization instructions, coprocessor ",
    19				"access instructions. Recompile using GOARM=7.\n")
    20			exit(1)
    21		}
    22	}
    23	

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