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comparison src/gpu/ptx/vm/gpu_ptx.hpp @ 10879:d55f24eac4b1

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PTX support for Linux
author Morris Meyer <morris.meyer@oracle.com>
date Thu, 25 Jul 2013 22:15:30 -0400
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10878:d9fcc82766da 10879:d55f24eac4b1
1 /*
2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef GPU_PTX_HPP
26 #define GPU_PTX_HPP
27
28 /*
29 * Some useful macro definitions from publicly available cuda.h.
30 * These definitions are for convenience.
31 */
32 #define GRAAL_CUDA_SUCCESS 0
33 #define GRAAL_CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MAJOR 75
34 #define GRAAL_CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MINOR 76
35 #define GRAAL_CU_JIT_MAX_REGISTERS 0
36 #define GRAAL_CU_JIT_THREADS_PER_BLOCK 1
37 #define GRAAL_CU_JIT_INFO_LOG_BUFFER 3
38 #define GRAAL_CU_JIT_INFO_LOG_BUFFER_SIZE_BYTES 4
39 #define GRAAL_CUDA_ERROR_NO_BINARY_FOR_GPU 209
40
41 class Ptx {
42 friend class gpu;
43
44 protected:
45 static bool probe_linkage();
46 static bool initialize_gpu();
47 static void * generate_kernel(unsigned char *code, int code_len, const char *name);
48 static bool execute_kernel(address kernel);
49
50 private:
51 typedef int (*cuda_cu_init_func_t)(unsigned int);
52 typedef int (*cuda_cu_ctx_create_func_t)(void *, int, int);
53 typedef int (*cuda_cu_ctx_detach_func_t)(int *);
54 typedef int (*cuda_cu_ctx_synchronize_func_t)(int *);
55 typedef int (*cuda_cu_device_get_count_func_t)(int *);
56 typedef int (*cuda_cu_device_get_name_func_t)(char *, int, int);
57 typedef int (*cuda_cu_device_get_func_t)(int *, int);
58 typedef int (*cuda_cu_device_compute_capability_func_t)(int *, int *, int);
59 typedef int (*cuda_cu_device_get_attribute_func_t)(int *, int, int);
60 typedef int (*cuda_cu_launch_kernel_func_t)(void *,
61 unsigned int, unsigned int, unsigned int,
62 unsigned int, unsigned int, unsigned int,
63 unsigned int, void *, void **, void **);
64 typedef int (*cuda_cu_module_get_function_func_t)(void *, void *, const char *);
65 typedef int (*cuda_cu_module_load_data_ex_func_t)(void *, void *, unsigned int, void *, void **);
66
67 static cuda_cu_init_func_t _cuda_cu_init;
68 static cuda_cu_ctx_create_func_t _cuda_cu_ctx_create;
69 static cuda_cu_ctx_detach_func_t _cuda_cu_ctx_detach;
70 static cuda_cu_ctx_synchronize_func_t _cuda_cu_ctx_synchronize;
71 static cuda_cu_device_get_count_func_t _cuda_cu_device_get_count;
72 static cuda_cu_device_get_name_func_t _cuda_cu_device_get_name;
73 static cuda_cu_device_get_func_t _cuda_cu_device_get;
74 static cuda_cu_device_compute_capability_func_t _cuda_cu_device_compute_capability; /* Deprecated as of CUDA 5.0 */
75 static cuda_cu_device_get_attribute_func_t _cuda_cu_device_get_attribute;
76 static cuda_cu_launch_kernel_func_t _cuda_cu_launch_kernel;
77 static cuda_cu_module_get_function_func_t _cuda_cu_module_get_function;
78 static cuda_cu_module_load_data_ex_func_t _cuda_cu_module_load_data_ex;
79
80 protected:
81 static void * _device_context;
82 };
83 #endif // GPU_PTX_HPP