1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
| // Copyright 2018 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.
|
| package runtime
|
| import "unsafe"
|
| //go:nosplit
| func cputicks() int64 {
| var counter int64
| stdcall1(_QueryPerformanceCounter, uintptr(unsafe.Pointer(&counter)))
| return counter
| }
|
| func checkgoarm() {
| if goarm < 7 {
| print("Need atomic synchronization instructions, coprocessor ",
| "access instructions. Recompile using GOARM=7.\n")
| exit(1)
| }
| }
|
|