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annotate src/share/vm/runtime/gpu.hpp @ 13212:eb03a7335eb0

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Use fixed instead of virtual register for target in far foreign call, since the register allocator does not support virtual registers to be used at call sites.
author Christian Wimmer <christian.wimmer@oracle.com>
date Mon, 02 Dec 2013 14:20:32 -0800
parents f1a55428a8d7
children 49db2c1e3bee
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1 /*
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2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 #ifndef SHARE_VM_RUNTIME_GPU_HPP
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26 #define SHARE_VM_RUNTIME_GPU_HPP
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27
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28 #include "runtime/atomic.hpp"
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29 #include "oops/symbol.hpp"
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30
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31 class PTXKernelArguments;
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32
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33 // gpu defines the interface to the graphics processor; this includes traditional
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34 // GPU services such as graphics kernel load and execute.
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35
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36
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37 class gpu: AllStatic {
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38 public:
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39
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40 enum TargetGPUIL { NONE = 0, PTX = 1, HSAIL = 2};
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41 static void init(void);
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42
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43 static void probe_gpu();
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44
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45 static void initialize_gpu();
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46
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47 static int available_processors();
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48
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49 static void * generate_kernel(unsigned char *code, int code_len, const char *name);
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50
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51 static bool execute_warp(int dimX, int dimY, int dimZ,
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52 address kernel, PTXKernelArguments & ptxka, JavaValue & ret);
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53
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54 static bool execute_kernel(address kernel, PTXKernelArguments & ptxka, JavaValue & ret);
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55
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56 // No return value from HSAIL kernels
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57 static bool execute_kernel_void_1d(address kernel, int dimX, jobject args, methodHandle& mh);
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58
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59 static void set_available(bool value) {
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60 _available = value;
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61 }
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62
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63 static bool is_available() { return _available; }
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64
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65 static void set_initialized(bool value) {
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66 _initialized = value;
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67 }
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68
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69 static bool is_initialized() { return _initialized; }
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70
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71 static void set_gpu_linkage(bool value) {
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72 _gpu_linkage = value;
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73 }
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74
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75 static bool has_gpu_linkage() { return _gpu_linkage; }
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76
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77 static void set_target_il_type(TargetGPUIL value) {
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78 _targetIL = value;
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79 }
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80
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81 static enum gpu::TargetGPUIL get_target_il_type() {
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82 return _targetIL;
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83 }
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84
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85 protected:
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86 static bool _available;
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87 static bool _gpu_linkage;
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88 static bool _initialized;
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89 static TargetGPUIL _targetIL;
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90
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91 // Platform dependent stuff
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92 #ifdef TARGET_OS_FAMILY_linux
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93 # include "gpu_linux.hpp"
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94 #endif
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95 #ifdef TARGET_OS_FAMILY_solaris
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96 #endif
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97 #ifdef TARGET_OS_FAMILY_windows
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98 # include "gpu_windows.hpp"
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99 #endif
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100 #ifdef TARGET_OS_FAMILY_bsd
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101 # include "gpu_bsd.hpp"
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102 #endif
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103
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104 public:
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105 # include "ptx/vm/gpu_ptx.hpp"
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106 # include "hsail/vm/gpu_hsail.hpp"
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107
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108 };
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109
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110
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111 #endif // SHARE_VM_RUNTIME_GPU_HPP