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-rw-r--r--src/runtime/os_netbsd_arm64.go26
1 files changed, 26 insertions, 0 deletions
diff --git a/src/runtime/os_netbsd_arm64.go b/src/runtime/os_netbsd_arm64.go
new file mode 100644
index 0000000..2dda9c9
--- /dev/null
+++ b/src/runtime/os_netbsd_arm64.go
@@ -0,0 +1,26 @@
+// Copyright 2019 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 (
+ "internal/abi"
+ "unsafe"
+)
+
+func lwp_mcontext_init(mc *mcontextt, stk unsafe.Pointer, mp *m, gp *g, fn uintptr) {
+ // Machine dependent mcontext initialisation for LWP.
+ mc.__gregs[_REG_ELR] = uint64(abi.FuncPCABI0(lwp_tramp))
+ mc.__gregs[_REG_X31] = uint64(uintptr(stk))
+ mc.__gregs[_REG_X0] = uint64(uintptr(unsafe.Pointer(mp)))
+ mc.__gregs[_REG_X1] = uint64(uintptr(unsafe.Pointer(mp.g0)))
+ mc.__gregs[_REG_X2] = uint64(fn)
+}
+
+//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()
+}