libhsail-rt/rt/segment.c

   1 /* segment.c -- Builtins for HSAIL segment related instructions.
   2
   3    Copyright (C) 2015-2017 Free Software Foundation, Inc.
   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 "workitems.h"
  28
  29 uint32_t
  30 __hsail_segmentp_private (uint64_t flat_addr, PHSAWorkItem *wi)
  31 {
  32   if (flat_addr == 0)
  33     return 1;
  34   else
  35     return ((void *) (uintptr_t) flat_addr >= wi->wg->private_base_ptr
  36             && ((void *) (uintptr_t) flat_addr
  37                 < (wi->wg->private_base_ptr
  38                    + wi->wg->private_segment_total_size)));
  39 }
  40
  41 uint32_t
  42 __hsail_segmentp_group (uint64_t flat_addr, PHSAWorkItem *wi)
  43 {
  44   if (flat_addr == 0)
  45     return 1;
  46   else
  47     return ((void *) (uintptr_t) flat_addr >= wi->wg->group_base_ptr
  48             && ((void *) (uintptr_t) flat_addr
  49                 < (wi->wg->group_base_ptr
  50                    + wi->launch_data->dp->group_segment_size)));
  51 }
  52
  53 uint32_t
  54 __hsail_segmentp_global (uint64_t flat_addr, PHSAWorkItem *wi)
  55 {
  56   return (flat_addr == 0
  57           || (!__hsail_segmentp_private (flat_addr, wi)
  58               && !__hsail_segmentp_group (flat_addr, wi)));
  59 }