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111
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1 /* misc.c -- Builtins for HSAIL misc instructions.
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2
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3 Copyright (C) 2015-2017 Free Software Foundation, Inc.
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4 Contributed by Pekka Jaaskelainen <pekka.jaaskelainen@parmance.com>
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5 for General Processor Tech.
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6
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7 Permission is hereby granted, free of charge, to any person obtaining a
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8 copy of this software and associated documentation files
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9 (the "Software"), to deal in the Software without restriction, including
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10 without limitation the rights to use, copy, modify, merge, publish,
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11 distribute, sublicense, and/or sell copies of the Software, and to
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12 permit persons to whom the Software is furnished to do so, subject to
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13 the following conditions:
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14
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15 The above copyright notice and this permission notice shall be included
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16 in all copies or substantial portions of the Software.
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17
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18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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19 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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20 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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21 IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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22 DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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23 OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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24 USE OR OTHER DEALINGS IN THE SOFTWARE.
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25 */
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26
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27 #include <stdint.h>
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28 #include <time.h>
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29
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30 #include "workitems.h"
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31
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32 /* Return the monotonic clock as nanoseconds. */
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33
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34 uint64_t
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35 __hsail_clock ()
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36 {
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37 struct timespec t;
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38 clock_gettime (CLOCK_MONOTONIC, &t);
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39 return (uint64_t) t.tv_sec * 1000000000 + (uint64_t) t.tv_nsec;
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40 }
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41
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42 uint32_t
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43 __hsail_cuid (PHSAWorkItem *wi)
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44 {
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45 /* All WIs are executed with a single compute unit (core/thread)
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46 for now. */
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47 return 0;
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48 }
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49
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50 uint32_t
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51 __hsail_maxcuid (PHSAWorkItem *wi)
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52 {
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53 /* All WIs are executed with a single compute unit (core/thread)
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54 for now. */
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55 return 0;
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56 }
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57
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58 void
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59 __hsail_debugtrap (uint32_t src, PHSAWorkItem *wi)
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60 {
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61 /* Could we produce a SIGTRAP signal here to drop to gdb
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62 console, or similar? In any case, the execution of the
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63 kernel should halt.
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64 */
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65 return;
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66 }
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67
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68 uint32_t
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69 __hsail_groupbaseptr (PHSAWorkItem *wi)
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70 {
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71 return (uint32_t) (uintptr_t) (wi->wg->group_base_ptr
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72 - wi->launch_data->group_segment_start_addr);
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73 }
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74
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75 uint64_t
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76 __hsail_kernargbaseptr_u64 (PHSAWorkItem *wi)
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77 {
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78 /* For now assume only a single kernarg allocation at a time.
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79 Proper kernarg memory management to do. */
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80 return (uint64_t) (uintptr_t) wi->launch_data->kernarg_addr;
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81 }
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82
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83 uint32_t
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84 __hsail_kernargbaseptr_u32 (PHSAWorkItem *wi)
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85 {
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86 /* For now assume only a single kernarg allocation at a time.
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87 Proper kernarg memory management to do. */
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88 return 0;
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89 }
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