arch/arc/include/asm/current.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
   4  *
   5  * Vineetg: May 16th, 2008
   6  *  - Current macro is now implemented as "global register" r25
   7  */
   8
   9 #ifndef _ASM_ARC_CURRENT_H
  10 #define _ASM_ARC_CURRENT_H
  11
  12 #ifndef __ASSEMBLY__
  13
  14 #ifdef CONFIG_ARC_CURR_IN_REG
  15
  16 register struct task_struct *curr_arc asm("r25");
  17 #define current (curr_arc)
  18
  19 #else
  20 #include <asm-generic/current.h>
  21 #endif /* ! CONFIG_ARC_CURR_IN_REG */
  22
  23 #endif /* ! __ASSEMBLY__ */
  24
  25 #endif /* _ASM_ARC_CURRENT_H */