mirror of https://go.googlesource.com/go
23 lines
511 B
Go
23 lines
511 B
Go
// Copyright 2018 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package runtime
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import "unsafe"
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//go:nosplit
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func cputicks() int64 {
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var counter int64
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stdcall1(_QueryPerformanceCounter, uintptr(unsafe.Pointer(&counter)))
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return counter
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}
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func checkgoarm() {
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if goarm < 7 {
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print("Need atomic synchronization instructions, coprocessor ",
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"access instructions. Recompile using GOARM=7.\n")
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exit(1)
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}
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}
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