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7adcbafe | 1 | /* Copyright (C) 2015-2022 Free Software Foundation, Inc. |
6103184e | 2 | Contributed by Alexander Monakov <amonakov@ispras.ru> |
113020dc TS |
3 | |
4 | This file is part of the GNU Offloading and Multi Processing Library | |
5 | (libgomp). | |
6 | ||
7 | Libgomp is free software; you can redistribute it and/or modify it | |
8 | under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 3, or (at your option) | |
10 | any later version. | |
11 | ||
12 | Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY | |
13 | WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS | |
14 | FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
15 | more details. | |
16 | ||
17 | Under Section 7 of GPL version 3, you are granted additional | |
18 | permissions described in the GCC Runtime Library Exception, version | |
19 | 3.1, as published by the Free Software Foundation. | |
20 | ||
21 | You should have received a copy of the GNU General Public License and | |
22 | a copy of the GCC Runtime Library Exception along with this program; | |
23 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
24 | <http://www.gnu.org/licenses/>. */ | |
25 | ||
6103184e AM |
26 | /* This file defines OpenMP API entry points that accelerator targets are |
27 | expected to replace. */ | |
28 | ||
29 | #include "libgomp.h" | |
30 | ||
9f2fca56 MV |
31 | /* This is set to the ICV values of current GPU during device initialization, |
32 | when the offload image containing this libgomp portion is loaded. */ | |
33 | static volatile struct gomp_offload_icvs GOMP_ADDITIONAL_ICVS; | |
34 | ||
6103184e AM |
35 | void |
36 | omp_set_default_device (int device_num __attribute__((unused))) | |
37 | { | |
38 | } | |
39 | ||
40 | int | |
41 | omp_get_default_device (void) | |
42 | { | |
9f2fca56 | 43 | return GOMP_ADDITIONAL_ICVS.default_device; |
6103184e AM |
44 | } |
45 | ||
74c9882b JJ |
46 | int |
47 | omp_get_initial_device (void) | |
48 | { | |
49 | return GOMP_DEVICE_HOST_FALLBACK; | |
50 | } | |
51 | ||
6103184e AM |
52 | int |
53 | omp_get_num_devices (void) | |
54 | { | |
55 | return 0; | |
56 | } | |
57 | ||
6103184e AM |
58 | int |
59 | omp_is_initial_device (void) | |
60 | { | |
61 | /* NVPTX is an accelerator-only target. */ | |
62 | return 0; | |
63 | } | |
113020dc | 64 | |
0bac793e CLT |
65 | int |
66 | omp_get_device_num (void) | |
67 | { | |
9f2fca56 MV |
68 | return GOMP_ADDITIONAL_ICVS.device_num; |
69 | } | |
70 | ||
71 | int | |
72 | omp_get_max_teams (void) | |
73 | { | |
74 | return GOMP_ADDITIONAL_ICVS.nteams; | |
75 | } | |
76 | ||
77 | void | |
78 | omp_set_num_teams (int num_teams) | |
79 | { | |
80 | if (num_teams >= 0) | |
81 | GOMP_ADDITIONAL_ICVS.nteams = num_teams; | |
0bac793e CLT |
82 | } |
83 | ||
6103184e AM |
84 | ialias (omp_set_default_device) |
85 | ialias (omp_get_default_device) | |
74c9882b | 86 | ialias (omp_get_initial_device) |
6103184e | 87 | ialias (omp_get_num_devices) |
6103184e | 88 | ialias (omp_is_initial_device) |
0bac793e | 89 | ialias (omp_get_device_num) |
9f2fca56 MV |
90 | ialias (omp_get_max_teams) |
91 | ialias (omp_set_num_teams) |