diff options
Diffstat (limited to 'src/runtime/os_openbsd_arm.go')
-rw-r--r-- | src/runtime/os_openbsd_arm.go | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/runtime/os_openbsd_arm.go b/src/runtime/os_openbsd_arm.go new file mode 100644 index 0000000..0a24096 --- /dev/null +++ b/src/runtime/os_openbsd_arm.go @@ -0,0 +1,23 @@ +// Copyright 2013 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 + +func checkgoarm() { + // TODO(minux): FP checks like in os_linux_arm.go. + + // osinit not called yet, so ncpu not set: must use getncpu directly. + if getncpu() > 1 && goarm < 7 { + print("runtime: this system has multiple CPUs and must use\n") + print("atomic synchronization instructions. Recompile using GOARM=7.\n") + exit(1) + } +} + +//go:nosplit +func cputicks() int64 { + // Currently cputicks() is used in blocking profiler and to seed runtime·fastrand(). + // runtime·nanotime() is a poor approximation of CPU ticks that is enough for the profiler. + return nanotime() +} |