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
  14 enum cu2_ops {
  15         CU2_EXCEPTION,
  16         CU2_LWC2_OP,
  17         CU2_LDC2_OP,
  18         CU2_SWC2_OP,
  19         CU2_SDC2_OP,
  20 };
  21
  22 extern int register_cu2_notifier(struct notifier_block *nb);
  23 extern 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 */