Mercurial > hg > truffle
view src/gpu/hsail/vm/gpu_hsail.cpp @ 13691:056d9d7dc061
expose memory map merging functionality in FloatingReadPhase
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Wed, 15 Jan 2014 16:08:57 +0100 |
parents | 166ed1584f30 |
children | bfd61161d752 |
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/* * 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 "precompiled.hpp" #include "runtime/javaCalls.hpp" #include "runtime/gpu.hpp" #include "utilities/globalDefinitions.hpp" #include "utilities/ostream.hpp" #include "memory/allocation.hpp" #include "memory/allocation.inline.hpp" #include "hsailKernelArguments.hpp" void * gpu::Hsail::_device_context; gpu::Hsail::okra_create_context_func_t gpu::Hsail::_okra_create_context; gpu::Hsail::okra_create_kernel_func_t gpu::Hsail::_okra_create_kernel; gpu::Hsail::okra_push_object_func_t gpu::Hsail::_okra_push_object; gpu::Hsail::okra_push_boolean_func_t gpu::Hsail::_okra_push_boolean; gpu::Hsail::okra_push_byte_func_t gpu::Hsail::_okra_push_byte; gpu::Hsail::okra_push_double_func_t gpu::Hsail::_okra_push_double; gpu::Hsail::okra_push_float_func_t gpu::Hsail::_okra_push_float; gpu::Hsail::okra_push_int_func_t gpu::Hsail::_okra_push_int; gpu::Hsail::okra_push_long_func_t gpu::Hsail::_okra_push_long; gpu::Hsail::okra_execute_with_range_func_t gpu::Hsail::_okra_execute_with_range; gpu::Hsail::okra_clearargs_func_t gpu::Hsail::_okra_clearargs; gpu::Hsail::okra_register_heap_func_t gpu::Hsail::_okra_register_heap; bool gpu::Hsail::initialize_gpu() { // All the initialization is done in the okra library so // nothing to do here. if (TraceGPUInteraction) { tty->print_cr("[HSAIL] Simulator: initialize_gpu"); } return true; } unsigned int gpu::Hsail::total_cores() { // This is not important with simulator return 1; } void gpu::Hsail::register_heap() { // After the okra functions are set up and the heap is initialized, register the java heap with HSA guarantee(Universe::heap() != NULL, "heap should be there by now."); if (TraceGPUInteraction) { tty->print_cr("[HSAIL] heap=" PTR_FORMAT, Universe::heap()); tty->print_cr("[HSAIL] base=0x%08x, capacity=%ld", Universe::heap()->base(), Universe::heap()->capacity()); } _okra_register_heap(Universe::heap()->base(), Universe::heap()->capacity()); } bool gpu::Hsail::execute_kernel_void_1d(address kernel, int dimX, jobject args, methodHandle& mh) { objArrayOop argsArray = (objArrayOop) JNIHandles::resolve(args); // Reset the kernel arguments _okra_clearargs(kernel); // This object sets up the kernel arguments HSAILKernelArguments hka(kernel, mh->signature(), argsArray, mh->is_static()); // Run the kernel bool success = _okra_execute_with_range(kernel, dimX); return success; } void *gpu::Hsail::generate_kernel(unsigned char *code, int code_len, const char *name) { gpu::Hsail::register_heap(); // The kernel entrypoint is always run for the time being const char* entryPointName = "&run"; _device_context = _okra_create_context(); // code is not null terminated, must be a better way to do this unsigned char* nullTerminatedCodeBuffer = (unsigned char*) malloc(code_len + 1); memcpy(nullTerminatedCodeBuffer, code, code_len); nullTerminatedCodeBuffer[code_len] = 0; void* kernel = _okra_create_kernel(_device_context, nullTerminatedCodeBuffer, entryPointName); free(nullTerminatedCodeBuffer); return kernel; } #if defined(LINUX) static const char okra_library_name[] = "libokra_x86_64.so"; #elif defined (_WINDOWS) static char const okra_library_name[] = "okra_x86_64.dll"; #else static char const okra_library_name[] = ""; #endif #define STD_BUFFER_SIZE 1024 #define STRINGIFY(x) #x #define LOOKUP_OKRA_FUNCTION(name, alias) \ _##alias = \ CAST_TO_FN_PTR(alias##_func_t, os::dll_lookup(handle, STRINGIFY(name))); \ if (_##alias == NULL) { \ tty->print_cr("[HSAIL] ***** Error: Failed to lookup %s in %s, wrong version of OKRA?", STRINGIFY(name), okra_library_name); \ return 0; \ } \ bool gpu::Hsail::probe_linkage() { if (okra_library_name != NULL) { char *buffer = (char*)malloc(STD_BUFFER_SIZE); if (TraceGPUInteraction) { tty->print_cr("[HSAIL] library is %s", okra_library_name); } void *handle = os::dll_load(okra_library_name, buffer, STD_BUFFER_SIZE); free(buffer); if (handle != NULL) { LOOKUP_OKRA_FUNCTION(okra_create_context, okra_create_context); LOOKUP_OKRA_FUNCTION(okra_create_kernel, okra_create_kernel); LOOKUP_OKRA_FUNCTION(okra_push_object, okra_push_object); LOOKUP_OKRA_FUNCTION(okra_push_boolean, okra_push_boolean); LOOKUP_OKRA_FUNCTION(okra_push_byte, okra_push_byte); LOOKUP_OKRA_FUNCTION(okra_push_double, okra_push_double); LOOKUP_OKRA_FUNCTION(okra_push_float, okra_push_float); LOOKUP_OKRA_FUNCTION(okra_push_int, okra_push_int); LOOKUP_OKRA_FUNCTION(okra_push_long, okra_push_long); LOOKUP_OKRA_FUNCTION(okra_execute_with_range, okra_execute_with_range); LOOKUP_OKRA_FUNCTION(okra_clearargs, okra_clearargs); LOOKUP_OKRA_FUNCTION(okra_register_heap, okra_register_heap); return true; } else { // Unable to dlopen okra if (TraceGPUInteraction) { tty->print_cr("[HSAIL] library load failed."); } return false; } } else { if (TraceGPUInteraction) { tty->print_cr("Unsupported HSAIL platform"); } return false; } if (TraceGPUInteraction) { tty->print_cr("Failed to find HSAIL linkage"); } return false; }