LXR linux/arch/mips/include/asm/cop2.h

   1/*
   2 * This file is subject to the terms and conditions of the GNU General Public
   3 * License.  See the file "COPYING" in the main directory of this archive
   4 * for more details.
   5 *
   6 * Copyright (C) 2009 Wind River Systems,
   7 *   written by Ralf Baechle <ralf@linux-mips.org>
   8 */
   9#ifndef __ASM_COP2_H
  10#define __ASM_COP2_H
  11
  12#include <linux/notifier.h>
  13
  14enum cu2_ops {
  15        CU2_EXCEPTION,
  16        CU2_LWC2_OP,
  17        CU2_LDC2_OP,
  18        CU2_SWC2_OP,
  19        CU2_SDC2_OP,
  20};
  21
  22extern int register_cu2_notifier(struct notifier_block *nb);
  23extern int cu2_notifier_call_chain(unsigned long val, void *v);
  24
  25#define cu2_notifier(fn, pri)                                           \
  26({                                                                      \
  27        static struct notifier_block fn##_nb = {                        \
  28                .notifier_call = fn,                                    \
  29                .priority = pri                                         \
  30        };                                                              \
  31                                                                        \
  32        register_cu2_notifier(&fn##_nb);                                \
  33})
  34
  35#endif /* __ASM_COP2_H */
  36