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annotate src/gpu/hsail/vm/gpu_hsail.cpp @ 13826:62bd4705894c

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reverted removal of Okra Windows DLL name
author Doug Simon <doug.simon@oracle.com>
date Thu, 30 Jan 2014 17:27:04 +0100
parents 35fc64972250
children 51584f76462d
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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 #include "precompiled.hpp"
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26 #include "runtime/javaCalls.hpp"
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27 #include "runtime/gpu.hpp"
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28 #include "utilities/globalDefinitions.hpp"
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29 #include "utilities/ostream.hpp"
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30 #include "memory/allocation.hpp"
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31 #include "memory/allocation.inline.hpp"
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32 #include "graal/graalEnv.hpp"
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33 #include "graal/graalCompiler.hpp"
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34 #include "graal/graalJavaAccess.hpp"
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35 #include "hsailKernelArguments.hpp"
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36
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37 // Entry to GPU native method implementation that transitions current thread to '_thread_in_vm'.
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38 #define GPU_VMENTRY(result_type, name, signature) \
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39 JNIEXPORT result_type JNICALL name signature { \
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40 GRAAL_VM_ENTRY_MARK; \
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41
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42 // Entry to GPU native method implementation that calls a JNI function
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43 // and hence cannot transition current thread to '_thread_in_vm'.
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44 #define GPU_ENTRY(result_type, name, signature) \
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45 JNIEXPORT result_type JNICALL name signature { \
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46
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47 #define GPU_END }
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48
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49 #define CC (char*) /*cast a literal from (const char*)*/
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50 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(f))
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51
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52 #define OBJECT "Ljava/lang/Object;"
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53 #define STRING "Ljava/lang/String;"
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54 #define HS_INSTALLED_CODE "Lcom/oracle/graal/hotspot/meta/HotSpotInstalledCode;"
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55
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56 // public native void executeKernel(HotSpotNmethod kernel, int jobSize, int i, int j, Object[] args) throws InvalidInstalledCodeException;
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57
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58 JNINativeMethod gpu::Hsail::HSAIL_methods[] = {
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59 {CC"initialize", CC"()Z", FN_PTR(gpu::Hsail::initialize)},
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60 {CC"generateKernel", CC"([B" STRING ")J", FN_PTR(gpu::Hsail::generate_kernel)},
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61 {CC"executeKernel0", CC"("HS_INSTALLED_CODE"I["OBJECT")Z", FN_PTR(gpu::Hsail::execute_kernel_void_1d)},
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62 };
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63
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64 void * gpu::Hsail::_device_context = NULL;
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65
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66 gpu::Hsail::okra_create_context_func_t gpu::Hsail::_okra_create_context;
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67 gpu::Hsail::okra_create_kernel_func_t gpu::Hsail::_okra_create_kernel;
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68 gpu::Hsail::okra_push_object_func_t gpu::Hsail::_okra_push_object;
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69 gpu::Hsail::okra_push_boolean_func_t gpu::Hsail::_okra_push_boolean;
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70 gpu::Hsail::okra_push_byte_func_t gpu::Hsail::_okra_push_byte;
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71 gpu::Hsail::okra_push_double_func_t gpu::Hsail::_okra_push_double;
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72 gpu::Hsail::okra_push_float_func_t gpu::Hsail::_okra_push_float;
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73 gpu::Hsail::okra_push_int_func_t gpu::Hsail::_okra_push_int;
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74 gpu::Hsail::okra_push_long_func_t gpu::Hsail::_okra_push_long;
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75 gpu::Hsail::okra_execute_with_range_func_t gpu::Hsail::_okra_execute_with_range;
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76 gpu::Hsail::okra_clearargs_func_t gpu::Hsail::_okra_clearargs;
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77 gpu::Hsail::okra_register_heap_func_t gpu::Hsail::_okra_register_heap;
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78
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79
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80 void gpu::Hsail::register_heap() {
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81 // After the okra functions are set up and the heap is initialized, register the java heap with HSA
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82 guarantee(Universe::heap() != NULL, "heap should be there by now.");
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83 if (TraceGPUInteraction) {
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84 tty->print_cr("[HSAIL] heap=" PTR_FORMAT, Universe::heap());
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85 tty->print_cr("[HSAIL] base=0x%08x, capacity=%ld", Universe::heap()->base(), Universe::heap()->capacity());
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86 }
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87 _okra_register_heap(Universe::heap()->base(), Universe::heap()->capacity());
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88 }
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89
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90 GPU_VMENTRY(jboolean, gpu::Hsail::execute_kernel_void_1d, (JNIEnv* env, jclass, jobject kernel_handle, jint dimX, jobject args_handle))
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91
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92 ResourceMark rm;
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93 jlong nmethodValue = HotSpotInstalledCode::codeBlob(kernel_handle);
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94 if (nmethodValue == 0) {
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95 SharedRuntime::throw_and_post_jvmti_exception(JavaThread::current(), vmSymbols::com_oracle_graal_api_code_InvalidInstalledCodeException(), NULL);
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96 }
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97 nmethod* nm = (nmethod*) (address) nmethodValue;
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98 methodHandle mh = nm->method();
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99 Symbol* signature = mh->signature();
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100
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101 void* kernel = (void*) HotSpotInstalledCode::codeStart(kernel_handle);
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102 if (kernel == NULL) {
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103 SharedRuntime::throw_and_post_jvmti_exception(JavaThread::current(), vmSymbols::com_oracle_graal_api_code_InvalidInstalledCodeException(), NULL);
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104 }
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105
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106 objArrayOop args = (objArrayOop) JNIHandles::resolve(args_handle);
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107
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108 // Reset the kernel arguments
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109 _okra_clearargs(kernel);
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110
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111 // This object sets up the kernel arguments
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112 HSAILKernelArguments hka((address) kernel, mh->signature(), args, mh->is_static());
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113
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114 // Run the kernel
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115 return _okra_execute_with_range(kernel, dimX);
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116 GPU_END
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117
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118 GPU_ENTRY(jlong, gpu::Hsail::generate_kernel, (JNIEnv *env, jclass, jbyteArray code_handle, jstring name_handle))
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119 guarantee(_okra_create_kernel != NULL, "[HSAIL] Okra not linked");
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120 ResourceMark rm;
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121 jsize name_len = env->GetStringLength(name_handle);
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122 jsize code_len = env->GetArrayLength(code_handle);
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123
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124 char* name = NEW_RESOURCE_ARRAY(char, name_len + 1);
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125 unsigned char *code = NEW_RESOURCE_ARRAY(unsigned char, code_len + 1);
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126
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127 code[code_len] = 0;
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128 name[name_len] = 0;
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129
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130 env->GetByteArrayRegion(code_handle, 0, code_len, (jbyte*) code);
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131 env->GetStringUTFRegion(name_handle, 0, name_len, name);
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132
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133 register_heap();
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134
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135 // The kernel entrypoint is always run for the time being
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136 const char* entryPointName = "&run";
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137
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138 _device_context = _okra_create_context();
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139
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140 return (jlong) _okra_create_kernel(_device_context, code, entryPointName);
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141 GPU_END
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142
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143 #if defined(LINUX)
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144 static const char* okra_library_name = "libokra_x86_64.so";
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145 #elif defined(_WINDOWS)
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146 static char const* okra_library_name = "okra_x86_64.dll";
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147 #else
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148 static char const* okra_library_name = NULL;
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149 #endif
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150
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151 #define STRINGIFY(x) #x
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152
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153 #define LOOKUP_OKRA_FUNCTION(name, alias) \
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154 _##alias = \
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155 CAST_TO_FN_PTR(alias##_func_t, os::dll_lookup(handle, STRINGIFY(name))); \
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156 if (_##alias == NULL) { \
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157 tty->print_cr("[HSAIL] ***** Error: Failed to lookup %s in %s, wrong version of OKRA?", STRINGIFY(name), okra_library_name); \
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158 return false; \
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159 } \
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160
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161 GPU_ENTRY(jboolean, gpu::Hsail::initialize, (JNIEnv *env, jclass))
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162 if (okra_library_name == NULL) {
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163 if (TraceGPUInteraction) {
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164 tty->print_cr("Unsupported HSAIL platform");
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165 }
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166 return false;
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167 }
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168
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169 // here we know we have a valid okra_library_name to try to load
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170 char ebuf[O_BUFLEN];
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171 if (TraceGPUInteraction) {
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172 tty->print_cr("[HSAIL] library is %s", okra_library_name);
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173 }
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174 void *handle = os::dll_load(okra_library_name, ebuf, O_BUFLEN);
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175 // try alternate location if env variable set
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176 char *okra_lib_name_from_env_var = getenv("_OKRA_SIM_LIB_PATH_");
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177 if ((handle == NULL) && (okra_lib_name_from_env_var != NULL)) {
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178 handle = os::dll_load(okra_lib_name_from_env_var, ebuf, O_BUFLEN);
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179 if ((handle != NULL) && TraceGPUInteraction) {
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180 tty->print_cr("[HSAIL] using _OKRA_SIM_LIB_PATH_=%s", getenv("_OKRA_SIM_LIB_PATH_"));
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181 }
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182 }
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diff changeset
183
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184 if (handle == NULL) {
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185 // Unable to dlopen okra
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diff changeset
186 if (TraceGPUInteraction) {
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187 tty->print_cr("[HSAIL] library load failed.");
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188 }
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189 return false;
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190 }
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diff changeset
191
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diff changeset
192 guarantee(_okra_create_context == NULL, "cannot repeat GPU initialization");
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diff changeset
193
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194 // at this point we know handle is valid and we can lookup the functions
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195 LOOKUP_OKRA_FUNCTION(okra_create_context, okra_create_context);
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196 LOOKUP_OKRA_FUNCTION(okra_create_kernel, okra_create_kernel);
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diff changeset
197 LOOKUP_OKRA_FUNCTION(okra_push_object, okra_push_object);
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diff changeset
198 LOOKUP_OKRA_FUNCTION(okra_push_boolean, okra_push_boolean);
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diff changeset
199 LOOKUP_OKRA_FUNCTION(okra_push_byte, okra_push_byte);
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diff changeset
200 LOOKUP_OKRA_FUNCTION(okra_push_double, okra_push_double);
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diff changeset
201 LOOKUP_OKRA_FUNCTION(okra_push_float, okra_push_float);
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diff changeset
202 LOOKUP_OKRA_FUNCTION(okra_push_int, okra_push_int);
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diff changeset
203 LOOKUP_OKRA_FUNCTION(okra_push_long, okra_push_long);
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diff changeset
204 LOOKUP_OKRA_FUNCTION(okra_execute_with_range, okra_execute_with_range);
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diff changeset
205 LOOKUP_OKRA_FUNCTION(okra_clearargs, okra_clearargs);
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diff changeset
206 LOOKUP_OKRA_FUNCTION(okra_register_heap, okra_register_heap);
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diff changeset
207 // if we made it this far, real success
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diff changeset
208
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diff changeset
209 gpu::initialized_gpu("Okra");
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diff changeset
210
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diff changeset
211 return true;
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diff changeset
212 GPU_END
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diff changeset
213
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diff changeset
214 bool gpu::Hsail::register_natives(JNIEnv* env) {
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diff changeset
215 jclass klass = env->FindClass("com/oracle/graal/hotspot/hsail/HSAILHotSpotBackend");
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diff changeset
216 if (klass == NULL) {
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diff changeset
217 if (TraceGPUInteraction) {
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diff changeset
218 tty->print_cr("HSAILHotSpotBackend class not found");
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diff changeset
219 }
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diff changeset
220 return false;
49db2c1e3bee added support for co-existing GPU backends (JBS:GRAAL-1)
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parents: 13740
diff changeset
221 }
49db2c1e3bee added support for co-existing GPU backends (JBS:GRAAL-1)
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diff changeset
222 jint status = env->RegisterNatives(klass, HSAIL_methods, sizeof(HSAIL_methods) / sizeof(JNINativeMethod));
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diff changeset
223 if (status != JNI_OK) {
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diff changeset
224 if (TraceGPUInteraction) {
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diff changeset
225 tty->print_cr("Error registering natives for HSAILHotSpotBackend: %d", status);
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diff changeset
226 }
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diff changeset
227 return false;
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diff changeset
228 }
13740
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diff changeset
229 return true;
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parents:
diff changeset
230 }