Adding upstream version 1.21.8.upstream/1.21.8

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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()
+}