Imported Upstream version 1.4upstream/1.4

1 files changed, 34 insertions, 0 deletions

diff --git a/src/runtime/os_netbsd_arm.c b/src/runtime/os_netbsd_arm.c
new file mode 100644
index 000000000..9dd4bcdc9
--- /dev/null
+++ b/src/runtime/os_netbsd_arm.c
@@ -0,0 +1,34 @@
+// 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.
+
+#include "runtime.h"
+#include "defs_GOOS_GOARCH.h"
+#include "os_GOOS.h"
+#include "signal_GOOS_GOARCH.h"
+#include "textflag.h"
+
+void
+runtime·lwp_mcontext_init(McontextT *mc, void *stack, M *mp, G *gp, void (*fn)(void))
+{
+	mc->__gregs[REG_R15] = (uint32)runtime·lwp_tramp;
+	mc->__gregs[REG_R13] = (uint32)stack;
+	mc->__gregs[REG_R0] = (uint32)mp;
+	mc->__gregs[REG_R1] = (uint32)gp;
+	mc->__gregs[REG_R2] = (uint32)fn;
+}
+
+void
+runtime·checkgoarm(void)
+{
+	// TODO(minux)
+}
+
+#pragma textflag NOSPLIT
+int64
+runtime·cputicks() {
+	// Currently cputicks() is used in blocking profiler and to seed runtime·fastrand1().
+	// runtime·nanotime() is a poor approximation of CPU ticks that is enough for the profiler.
+	// TODO: need more entropy to better seed fastrand1.
+	return runtime·nanotime();
+}