arch/xtensa/include/asm/current.h

   1 /*
   2  * include/asm-xtensa/current.h
   3  *
   4  * This file is subject to the terms and conditions of the GNU General Public
   5  * License.  See the file "COPYING" in the main directory of this archive
   6  * for more details.
   7  *
   8  * Copyright (C) 2001 - 2005 Tensilica Inc.
   9  */
  10
  11 #ifndef _XTENSA_CURRENT_H
  12 #define _XTENSA_CURRENT_H
  13
  14 #include <asm/thread_info.h>
  15
  16 #ifndef __ASSEMBLY__
  17
  18 #include <linux/thread_info.h>
  19
  20 struct task_struct;
  21
  22 static __always_inline struct task_struct *get_current(void)
  23 {
  24         return current_thread_info()->task;
  25 }
  26
  27 #define current get_current()
  28
  29 register unsigned long current_stack_pointer __asm__("a1");
  30
  31 #else
  32
  33 #define GET_CURRENT(reg,sp)             \
  34         GET_THREAD_INFO(reg,sp);        \
  35         l32i reg, reg, TI_TASK          \
  36
  37 #endif
  38
  39
  40 #endif /* XTENSA_CURRENT_H */