Mercurial > hg > graal-jvmci-8
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> |
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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(""); +} +