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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 13:14:23 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 13:14:23 +0000
commit73df946d56c74384511a194dd01dbe099584fd1a (patch)
treefd0bcea490dd81327ddfbb31e215439672c9a068 /src/runtime/os_linux_arm64.go
parentInitial commit. (diff)
downloadgolang-1.16-upstream.tar.xz
golang-1.16-upstream.zip
Adding upstream version 1.16.10.upstream/1.16.10upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/runtime/os_linux_arm64.go')
-rw-r--r--src/runtime/os_linux_arm64.go25
1 files changed, 25 insertions, 0 deletions
diff --git a/src/runtime/os_linux_arm64.go b/src/runtime/os_linux_arm64.go
new file mode 100644
index 0000000..c5fd742
--- /dev/null
+++ b/src/runtime/os_linux_arm64.go
@@ -0,0 +1,25 @@
+// Copyright 2015 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.
+
+// +build arm64
+
+package runtime
+
+import "internal/cpu"
+
+func archauxv(tag, val uintptr) {
+ switch tag {
+ case _AT_HWCAP:
+ cpu.HWCap = uint(val)
+ }
+}
+
+func osArchInit() {}
+
+//go:nosplit
+func cputicks() int64 {
+ // Currently cputicks() is used in blocking profiler and to seed fastrand().
+ // nanotime() is a poor approximation of CPU ticks that is enough for the profiler.
+ return nanotime()
+}