sysdeps/tile/tilegx/memusage.h

   1 /* Copyright (C) 2011-2014 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library.  If not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <stdint.h>
  20 #include <arch/spr_def.h>
  21
  22 #define GETSP() ({ register uintptr_t stack_ptr asm ("sp"); stack_ptr; })
  23
  24 #define GETTIME(low,high)                       \
  25   {                                             \
  26     uint64_t cycles = __insn_mfspr (SPR_CYCLE); \
  27     low = cycles & 0xffffffff;                  \
  28     high = cycles >> 32;                        \
  29   }
  30
  31 #include <sysdeps/generic/memusage.h>