arch/arm/include/asm/fiq_glue.h

   1 /*
   2  * Copyright (C) 2010 Google, Inc.
   3  *
   4  * This software is licensed under the terms of the GNU General Public
   5  * License version 2, as published by the Free Software Foundation, and
   6  * may be copied, distributed, and modified under those terms.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  */
  13
  14 #ifndef __ASM_FIQ_GLUE_H
  15 #define __ASM_FIQ_GLUE_H
  16
  17 struct fiq_glue_handler {
  18         void (*fiq)(struct fiq_glue_handler *h, void *regs, void *svc_sp);
  19         void (*resume)(struct fiq_glue_handler *h);
  20 };
  21 typedef void (*fiq_return_handler_t)(void);
  22
  23 int fiq_glue_register_handler(struct fiq_glue_handler *handler);
  24 int fiq_glue_set_return_handler(fiq_return_handler_t fiq_return);
  25 int fiq_glue_clear_return_handler(fiq_return_handler_t fiq_return);
  26
  27 #ifdef CONFIG_FIQ_GLUE
  28 void fiq_glue_resume(void);
  29 #else
  30 static inline void fiq_glue_resume(void) {}
  31 #endif
  32
  33 #endif