urcu/arch/mips.h

   1 #ifndef _URCU_ARCH_MIPS_H
   2 #define _URCU_ARCH_MIPS_H
   3
   4 /*
   5  * arch_mips.h: trivial definitions for the MIPS architecture.
   6  *
   7  * Copyright (c) 2010 Paolo Bonzini <pbonzini@redhat.com>
   8  * Copyright (c) 2012 Ralf Baechle <ralf@linux-mips.org>
   9  *
  10  * This library is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU Lesser General Public
  12  * License as published by the Free Software Foundation; either
  13  * version 2.1 of the License, or (at your option) any later version.
  14  *
  15  * This library is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * Lesser General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Lesser General Public
  21  * License along with this library; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  23  */
  24
  25 #include <urcu/compiler.h>
  26 #include <urcu/config.h>
  27
  28 #ifdef __cplusplus
  29 extern "C" {
  30 #endif
  31
  32 #define cmm_mb()                        __asm__ __volatile__ (              \
  33                                         "       .set    mips2           \n" \
  34                                         "       sync                    \n" \
  35                                         "       .set    mips0           \n" \
  36                                         :::"memory")
  37
  38 typedef unsigned long long cycles_t;
  39
  40 static inline cycles_t caa_get_cycles(void)
  41 {
  42         return 0;       /* not supported */
  43 }
  44
  45 #ifdef __cplusplus
  46 }
  47 #endif
  48
  49 #include <urcu/arch/generic.h>
  50
  51 #endif /* _URCU_ARCH_MIPS_H */