diff src/os/bsd/vm/gpu_bsd.cpp @ 13819:49db2c1e3bee

added support for co-existing GPU backends (JBS:GRAAL-1)
author Doug Simon <doug.simon@oracle.com>
date Thu, 30 Jan 2014 00:52:33 +0100
parents src/os_gpu/bsd_ptx/vm/gpu_bsd.cpp@4f69a5189e77
children 51584f76462d
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/os/bsd/vm/gpu_bsd.cpp	Thu Jan 30 00:52:33 2014 +0100
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#include "runtime/gpu.hpp"
+#include "utilities/ostream.hpp"
+
+jobject gpu::probe_gpus(JNIEnv* env) {
+#ifdef __APPLE__
+  /*
+   * Let the CUDA driver initialization be the gate to GPU for now, pending
+   * a better detection solution for NVIDA PTX and AMD HSAIL.
+   */
+  if (gpu::Ptx::register_natives(env)) {
+    if (TraceGPUInteraction) {
+      tty->print_cr("Assuming NVidia/PTX support (APPLE)");
+    }
+    return env->NewStringUTF("PTX");
+  }
+#else
+  if (TraceGPUInteraction) {
+    tty->print_cr("Assuming no GPU (not APPLE)");
+  }
+#endif
+  return env->NewStringUTF("");
+}
+