Mercurial > hg > truffle
annotate src/gpu/ptx/vm/gpu_ptx.hpp @ 11477:4b41416685e9
New static factory methods for constants and arithmetic.
author | Roland Schatz <roland.schatz@oracle.com> |
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date | Fri, 30 Aug 2013 14:57:09 +0200 |
parents | 4a6b03a16808 |
children | 49bb1bc983c6 |
rev | line source |
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10879 | 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 | |
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33 /**< Device shares a unified address space with the host */ |
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34 #define GRAAL_CU_DEVICE_ATTRIBUTE_UNIFIED_ADDRESSING 41 |
10879 | 35 #define GRAAL_CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MAJOR 75 |
36 #define GRAAL_CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MINOR 76 | |
37 #define GRAAL_CU_JIT_MAX_REGISTERS 0 | |
38 #define GRAAL_CU_JIT_THREADS_PER_BLOCK 1 | |
39 #define GRAAL_CU_JIT_INFO_LOG_BUFFER 3 | |
40 #define GRAAL_CU_JIT_INFO_LOG_BUFFER_SIZE_BYTES 4 | |
41 #define GRAAL_CUDA_ERROR_NO_BINARY_FOR_GPU 209 | |
42 | |
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43 /** |
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44 * End of array terminator for the extra parameter to |
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45 * ::cuLaunchKernel |
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46 */ |
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47 #define GRAAL_CU_LAUNCH_PARAM_END ((void *) 0x00) |
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48 |
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49 /** |
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50 * Indicator that the next value in the extra parameter to |
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51 * ::cuLaunchKernel will be a pointer to a buffer containing all kernel |
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52 * parameters used for launching kernel f. This buffer needs to |
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53 * honor all alignment/padding requirements of the individual parameters. |
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54 * If ::GRAAL_CU_LAUNCH_PARAM_BUFFER_SIZE is not also specified in the |
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55 * extra array, then ::GRAAL_CU_LAUNCH_PARAM_BUFFER_POINTER will have no |
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56 * effect. |
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57 */ |
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58 #define GRAAL_CU_LAUNCH_PARAM_BUFFER_POINTER ((void *) 0x01) |
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59 |
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60 /** |
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61 * Indicator that the next value in the extra parameter to |
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62 * ::cuLaunchKernel will be a pointer to a size_t which contains the |
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63 * size of the buffer specified with ::GRAAL_CU_LAUNCH_PARAM_BUFFER_POINTER. |
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64 * It is required that ::GRAAL_CU_LAUNCH_PARAM_BUFFER_POINTER also be specified |
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65 * in the extra array if the value associated with |
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66 * ::GRAAL_CU_LAUNCH_PARAM_BUFFER_SIZE is not zero. |
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67 */ |
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68 #define GRAAL_CU_LAUNCH_PARAM_BUFFER_SIZE ((void *) 0x02) |
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69 |
10879 | 70 class Ptx { |
71 friend class gpu; | |
72 | |
73 protected: | |
74 static bool probe_linkage(); | |
75 static bool initialize_gpu(); | |
76 static void * generate_kernel(unsigned char *code, int code_len, const char *name); | |
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77 static bool execute_kernel(address kernel, JavaCallArguments *); |
10879 | 78 |
79 private: | |
80 typedef int (*cuda_cu_init_func_t)(unsigned int); | |
81 typedef int (*cuda_cu_ctx_create_func_t)(void *, int, int); | |
82 typedef int (*cuda_cu_ctx_detach_func_t)(int *); | |
83 typedef int (*cuda_cu_ctx_synchronize_func_t)(int *); | |
84 typedef int (*cuda_cu_device_get_count_func_t)(int *); | |
85 typedef int (*cuda_cu_device_get_name_func_t)(char *, int, int); | |
86 typedef int (*cuda_cu_device_get_func_t)(int *, int); | |
87 typedef int (*cuda_cu_device_compute_capability_func_t)(int *, int *, int); | |
88 typedef int (*cuda_cu_device_get_attribute_func_t)(int *, int, int); | |
89 typedef int (*cuda_cu_launch_kernel_func_t)(void *, | |
90 unsigned int, unsigned int, unsigned int, | |
91 unsigned int, unsigned int, unsigned int, | |
92 unsigned int, void *, void **, void **); | |
93 typedef int (*cuda_cu_module_get_function_func_t)(void *, void *, const char *); | |
94 typedef int (*cuda_cu_module_load_data_ex_func_t)(void *, void *, unsigned int, void *, void **); | |
95 | |
96 static cuda_cu_init_func_t _cuda_cu_init; | |
97 static cuda_cu_ctx_create_func_t _cuda_cu_ctx_create; | |
98 static cuda_cu_ctx_detach_func_t _cuda_cu_ctx_detach; | |
99 static cuda_cu_ctx_synchronize_func_t _cuda_cu_ctx_synchronize; | |
100 static cuda_cu_device_get_count_func_t _cuda_cu_device_get_count; | |
101 static cuda_cu_device_get_name_func_t _cuda_cu_device_get_name; | |
102 static cuda_cu_device_get_func_t _cuda_cu_device_get; | |
103 static cuda_cu_device_compute_capability_func_t _cuda_cu_device_compute_capability; /* Deprecated as of CUDA 5.0 */ | |
104 static cuda_cu_device_get_attribute_func_t _cuda_cu_device_get_attribute; | |
105 static cuda_cu_launch_kernel_func_t _cuda_cu_launch_kernel; | |
106 static cuda_cu_module_get_function_func_t _cuda_cu_module_get_function; | |
107 static cuda_cu_module_load_data_ex_func_t _cuda_cu_module_load_data_ex; | |
108 | |
109 protected: | |
110 static void * _device_context; | |
111 }; | |
112 #endif // GPU_PTX_HPP |