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5fd1486c PJ |
1 | /* fbarrier.c -- HSAIL fbarrier built-ins. |
2 | ||
99dee823 | 3 | Copyright (C) 2015-2021 Free Software Foundation, Inc. |
5fd1486c PJ |
4 | Contributed by Pekka Jaaskelainen <pekka.jaaskelainen@parmance.com> |
5 | for General Processor Tech. | |
6 | ||
7 | Permission is hereby granted, free of charge, to any person obtaining a | |
8 | copy of this software and associated documentation files | |
9 | (the "Software"), to deal in the Software without restriction, including | |
10 | without limitation the rights to use, copy, modify, merge, publish, | |
11 | distribute, sublicense, and/or sell copies of the Software, and to | |
12 | permit persons to whom the Software is furnished to do so, subject to | |
13 | the following conditions: | |
14 | ||
15 | The above copyright notice and this permission notice shall be included | |
16 | in all copies or substantial portions of the Software. | |
17 | ||
18 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |
19 | OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
20 | MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. | |
21 | IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, | |
22 | DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR | |
23 | OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE | |
24 | USE OR OTHER DEALINGS IN THE SOFTWARE. | |
25 | */ | |
26 | ||
27 | #include <stdlib.h> | |
28 | #include <signal.h> | |
29 | ||
30 | #include "workitems.h" | |
31 | #include "phsa-rt.h" | |
32 | ||
33 | #ifdef HAVE_FIBERS | |
34 | #include "fibers.h" | |
35 | ||
36 | typedef fiber_barrier_t fbarrier; | |
37 | ||
38 | void | |
39 | __hsail_initfbar (uint32_t addr, PHSAWorkItem *wi) | |
40 | { | |
41 | fbarrier *fbar = (fbarrier *) (wi->wg->group_base_ptr + addr); | |
42 | fbar->threshold = 0; | |
43 | fbar->reached = 0; | |
44 | fbar->waiting_count = 0; | |
45 | } | |
46 | ||
47 | void | |
48 | __hsail_releasefbar (uint32_t addr, PHSAWorkItem *wi) | |
49 | { | |
50 | fbarrier *fbar = (fbarrier *) (wi->wg->group_base_ptr + addr); | |
51 | fbar->threshold = 0; | |
52 | fbar->reached = 0; | |
53 | fbar->waiting_count = 0; | |
54 | } | |
55 | ||
56 | void | |
57 | __hsail_joinfbar (uint32_t addr, PHSAWorkItem *wi) | |
58 | { | |
59 | fbarrier *fbar = (fbarrier *) (wi->wg->group_base_ptr + addr); | |
60 | ++fbar->threshold; | |
61 | } | |
62 | ||
63 | void | |
64 | __hsail_leavefbar (uint32_t addr, PHSAWorkItem *wi) | |
65 | { | |
66 | fbarrier *fbar = (fbarrier *) (wi->wg->group_base_ptr + addr); | |
67 | --fbar->threshold; | |
68 | } | |
69 | ||
70 | void | |
71 | __hsail_waitfbar (uint32_t addr, PHSAWorkItem *wi) | |
72 | { | |
73 | fbarrier *fbar = (fbarrier *) (wi->wg->group_base_ptr + addr); | |
74 | fiber_barrier_reach (fbar); | |
75 | } | |
76 | ||
77 | void | |
78 | __hsail_arrivefbar (uint32_t addr, PHSAWorkItem *wi) | |
79 | { | |
80 | fbarrier *fbar = (fbarrier *) (wi->wg->group_base_ptr + addr); | |
81 | ++fbar->reached; | |
82 | if (fbar->reached == fbar->threshold) | |
83 | fbar->reached = 0; | |
84 | } | |
85 | ||
86 | #endif | |
87 |